CN103702734B - Electroosmotic dehydration device - Google Patents
Electroosmotic dehydration device Download PDFInfo
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- CN103702734B CN103702734B CN201280036397.9A CN201280036397A CN103702734B CN 103702734 B CN103702734 B CN 103702734B CN 201280036397 A CN201280036397 A CN 201280036397A CN 103702734 B CN103702734 B CN 103702734B
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- cylinder
- crawler belt
- mud
- current potential
- heat exchange
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Classifications
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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
- C02F11/006—Electrochemical treatment, e.g. electro-oxidation or electro-osmosis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/16—Rotary, reciprocated or vibrated modules
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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
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/02—Rotation or turning
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4698—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electro-osmosis
Abstract
The present invention relates to electroosmotic dehydration device, this electroosmotic dehydration device comprises: cylinder portion, has the cylinder that can be rotatably set on framework; Crawler belt portion, has the crawler belt be arranged on being separated by cylinder; Dewatering bands, transfers between cylinder and crawler belt, for slurry dewatering, its intermediate roll and crawler belt add up to more than three; And differential power applying unit, the travel path along dewatering bands to be uprised successively or the current potential of step-down is applied to cylinder and crawler belt.According to this electroosmotic dehydration device, because the voltage making the dehydration progress based on mud apply along with slip and shape rises gradually or declines, so can improve dehydrating effect further.
Description
Technical field
The present invention relates to electroosmotic dehydration device, particularly relate to the electroosmotic dehydration device of the dehydrating effect that may be used for improving mud.
Background technology
Under normal circumstances, use high polymer coagulant in order to purify water by the mud occurred in black water treatment plant (mud), but be difficult to dewater to the mud being in coagulation because of high polymer coagulant.
According to the dehydration rate of mud, disposal costs and the recirculation scope of mud produce very large difference.In addition, if when can reduce the moisture content that mud has significantly, then have and not only can cut down disposal costs but also the solid constituent of mud can be used as the added value that fuel etc. have economy.
But, because in the past common pure compression formula dewater unit has limitation in the dehydration of wastewater slurry, so utilizing the electric osmose formula dewater unit in slurry dewatering with excellent dehydrating effect recently.
Described electric osmose formula dewater unit is as the device being removed the water be combined with mud by ionic transfer, and it comprises: the cylinder having the two poles of the earth electrode concurrently; The band of the compression (press) with water flowing formed in the mode of the outer peripheral face around described cylinder; And the dewatering bands overlapping with the surface, watering area of described cylinder and compression strap.
Electric osmose formula mud dewatering appts is disclosed in No. 1993-0010856th, korean patent application.
Disclosed electric osmose formula mud dewatering appts by applying voltage to form electric field between cylinder and compression strap, thus according to electrophoresis and capillarity make water charged in the electric field move to mud ion electrically charged contrary electric charge side, and then separation moisture, the dehydration of mud is realized with this.
But, for this dehydrated structure, because of the variation of moisture content not considering to occur according to mud transfer progress, so there is the shortcoming that dehydrating effect is limited within the specific limits.
Summary of the invention
Technical problem
The present invention, for improving problem as above, its object is to provide electroosmotic dehydration device, thus can change applied voltage, to improve dehydrating effect according to the moisture content that the dehydration path along mud changes.
Another object of the present invention is to provide electroosmotic dehydration device, after completing dehydration by electric osmose to mud, with high temperature compressed mud to improve the drying effect to mud.
The method of dealing with problems
In order to realize described object, electroosmotic dehydration device according to the present invention comprises: cylinder portion, has the cylinder that can be rotatably set on framework; Crawler belt portion, has the crawler belt arranged with being separated by which cylinder; And dewatering bands, transfer between cylinder and crawler belt, for to slurry dewatering, wherein said cylinder and described crawler belt add up to more than three, described electroosmotic dehydration device also comprises: differential power applying unit, along the travel path of described dewatering bands, to uprise successively with potential difference or current potential is applied to described cylinder and described crawler belt by the mode of step-down.
Preferably, described cylinder portion comprise be arranged on described dewatering bands with being separated by successively travel path on the first cylinder and second tin roller, described crawler belt portion comprises and being configured to via described first cylinder and described second tin roller and the first crawler belt of circulation rotating, described differential power applying unit comprises: the first power supply applying unit, for the first current potential being applied to described first crawler belt and described first cylinder; And second source applying unit, for the second current potential higher or lower than described first current potential is applied to described first crawler belt and described second tin roller.
Described cylinder portion can comprise the first cylinder on the travel path being arranged on described dewatering bands, and described crawler belt portion can comprise: the first crawler belt, is configured to a part relatively circulation rotating with the outer peripheral face of described first cylinder; And second crawler belt, be configured to a part relatively circulation rotating with the outer peripheral face of described first cylinder, thus the described dewatering bands via described first crawler belt can be depressed on described first cylinder, described differential power applying unit can comprise: the first power supply applying unit, for the first current potential being applied to described first crawler belt and described first cylinder; And second source applying unit, for the second current potential higher or lower than described first current potential is applied to described second crawler belt and described first cylinder.
Described cylinder portion can comprise be arranged on the first cylinder on the travel path of described dewatering bands and second tin roller with being separated by successively, described crawler belt portion can comprise: the first crawler belt, is configured to a part relatively circulation rotating with the outer peripheral face of described first cylinder; Second crawler belt, is configured to a part relatively circulation rotating with the outer peripheral face of described first cylinder, thus the described dewatering bands via described first crawler belt can be depressed on described first cylinder; 3rd crawler belt, is configured to and a part for the outer peripheral face of described second tin roller relatively circulation rotating, thus can be depressed on described second tin roller by the described dewatering bands entering into described second tin roller via described first cylinder; And the 4th crawler belt, be configured to and a part for the outer peripheral face of described second tin roller relatively circulation rotating, thus can the described dewatering bands via described 3rd crawler belt be depressed on described second tin roller, described differential power applying unit can comprise: the first power supply applying unit, for the first current potential being applied to described first crawler belt and described first cylinder; Second source applying unit, for being applied to described second crawler belt and described first cylinder by the second current potential higher or lower than described first current potential; 3rd power supply applying unit, for being applied to described 3rd crawler belt and described second tin roller by the 3rd current potential higher or lower than described second current potential; And the 4th power supply applying unit, for the 4th current potential higher or lower than described 3rd current potential is applied to described 4th crawler belt and described second tin roller.
In addition, can also comprise according to electroosmotic dehydration device of the present invention: main drying section, for carrying out high temperature compressed to carry out drying to the described mud dewatered through described crawler belt portion and described cylinder portion.
Described main drying section comprises: cylinder of exerting pressure, and can be rotatably set on described framework; Unlimited rail-like transfer band, arrange on said frame, for transferring the mud dewatered via described crawler belt portion and cylinder portion, and the side of described unlimited rail-like transfer band with the mode of exerting pressure contact to described in exert pressure cylinder outer peripheral face thus make described mud can be pressed cylinder 361 to compress; And cylinder heating part, for exerting pressure cylinder thus with high temperature compressed described mud described in heating.
Preferably, described cylinder of exerting pressure comprises the room for injecting heat exchange medium therein, described cylinder heating part comprises: the first heat exchange medium supply unit, the side of cylinder of exerting pressure described in being arranged on, for the described heat exchange medium of high temperature is injected into described chamber interior; And the first heat exchange medium discharge portion, the opposite side of cylinder of exerting pressure described in being arranged on, for discharging described heat exchange medium from described room.
In addition, can also comprise according to electroosmotic dehydration device of the present invention: drying aid portion, dry to carry out again for the described mud stirred by described main drying section is dried.
Described drying aid portion comprises: housing, has spatial accommodation therein to hold by the dried described mud of described main drying section; Mixing part, is arranged on described enclosure interior, for stirring the mud be contained in described spatial accommodation; And ventilation blower, arrange on the housing, for extraneous gas is delivered to described spatial accommodation.
In addition, can also comprising according to electroosmotic dehydration device of the present invention: cylinder cooling unit, arranging on which cylinder, for cooling the outer peripheral face of described cylinder.
Described cylinder comprises the room for injecting heat exchange medium therein, and described cylinder cooling unit comprises: the second heat exchange medium supply unit, for the described heat exchange medium of low temperature is supplied to described room; And the second heat exchange medium discharge portion, for discharging described heat exchange medium from described room, wherein, described second heat exchange medium supply unit is formed with the injection path being communicated to described chamber interior from the rotating shaft of described cylinder, and comprise and can be rotatably set in described heat exchange medium to be supplied to the first swivel joint of the entrance side of described injection path on described rotating shaft, described second heat exchange medium discharge portion is arranged on the opposite side rotating shaft end corresponding with described second heat exchange medium supply unit; And described second heat exchange medium discharge portion is formed with the drain passageway of the inside being communicated to described room from the opposite side of the rotating shaft of described cylinder; And described second heat exchange medium discharge portion comprises: the second swivel joint, can be rotatably set on described rotating shaft, for the described heat exchange medium of the outlet side and described indoor of discharging described drain passageway.
Described cylinder cooling unit comprises: heat exchanging pipe, and the inner peripheral surface along described cylinder is arranged; First swivel joint, is arranged on the rotating shaft side of described cylinder, and is connected with the side of described heat exchanging pipe; And second swivel joint, be arranged on the opposite side of the rotating shaft of described cylinder, and be connected with the opposite side of described heat exchanging pipe.
Invention effect
In electroosmotic dehydration device according to the present invention because according to slip and shape little by little rise or decline based on mud dehydration progress and apply voltage, so dehydrating effect can be improved further; And because make the mud of dehydration through dry run, so the drying effect of mud can be improved.
Accompanying drawing explanation
Fig. 1 is the side view of the electroosmotic dehydration device schematically illustrated according to the first embodiment of the present invention;
Fig. 2 extracts the first drum circumference part of Fig. 1 and the stereogram illustrated;
Fig. 3 is the schematic diagram illustrated for applying the differential power applying unit of electric power to the cylinder of Fig. 1 and crawler belt;
Fig. 4 is the schematic diagram of the electroosmotic dehydration device schematically illustrated according to a second embodiment of the present invention;
Fig. 5 is the schematic diagram of the electroosmotic dehydration device schematically illustrated according to the third embodiment of the invention;
Fig. 6 is the schematic diagram of the electroosmotic dehydration device illustrated according to a fourth embodiment of the invention;
Fig. 7 is the stereogram of the main drying section of electroosmotic dehydration device for Fig. 6;
Fig. 8 is the profile for electroosmotic dehydration device according to a fifth embodiment of the invention;
Fig. 9 is the stereogram for the mud feed unit according to further embodiment of this invention;
Figure 10 is the profile of electroosmotic dehydration device according to a sixth embodiment of the invention;
Figure 11 is the stereogram in the drying aid portion of electroosmotic dehydration device for Figure 10;
Figure 12 and Figure 13 is the profile of the first cylinder be provided with according to cylinder cooling unit of the present invention;
Figure 14 is the profile of the first cylinder of the another embodiment illustrated according to cylinder cooling unit of the present invention;
Figure 15 is the profile of the first cylinder for Figure 14;
Figure 16 is the stereogram of the first cylinder of the another embodiment illustrated according to cylinder cooling unit of the present invention; And
Figure 17 is the profile of the first cylinder for Figure 16.
Detailed description of the invention
Below, electroosmotic dehydration device is according to a preferred embodiment of the invention described with reference to the accompanying drawings in further detail.
Fig. 1 is the side view of the electroosmotic dehydration device schematically illustrated according to the first embodiment of the present invention, Fig. 2 extracts the first drum circumference part of Fig. 1 and the stereogram illustrated, Fig. 3 is the schematic diagram illustrated for applying the differential power applying unit of electric power to the cylinder of Fig. 1 and crawler belt.
Referring to figs. 1 through Fig. 3, electroosmotic dehydration device 10 comprises: dewatering bands 30, first cylinder 50, second tin roller 60 and the first crawler belt 70.Wherein, dewatering bands 30 moves for transferring the mud imported and carry out Infinite Cyclic along the first track; The mobile route that first cylinder 50 and second tin roller 60 are arranged on dewatering bands 30 is separated by along direct of travel; First crawler belt 70 is for carrying out Infinite Cyclic along the second track different from the first track via the first cylinder 50 move with second tin roller 60.Reference numeral 560 represents cylinder cooling unit, and will be described with reference to Figure 12 and Figure 13 below.
Although not shown in figures, can use braiding synthetic fibres (as: polypropylene, polyethylene and nylon) and high conductive filament (as: copper, stainless steel) and formation dewatering bands 30.Preferably, the diameter of filament is 0.2 ~ 0.5mm, and resistance is 1.0 × 10
-2~ 1.0 × 10
-6Ω.
In this electroosmotic dehydration device 10, in order to apply current potential different from each other along the travel path of dewatering bands 30, what cylinder (such as, the first cylinder 50 and second tin roller 60) was added with crawler belt 70 adds up to more than three.
Although not shown in figures, the transfer band (not shown) for the mud imported via funnel (not shown) being transferred to dewatering bands 30 can also be provided with.
Form the first cylinder 50 that can be rotatably set on framework 20, second tin roller 60 and the first crawler belt 70 by conductive material thus can conductor function be performed, and current potential can be applied by the rotating shaft 61 of the rotating shaft 51 of the first cylinder 50, second tin roller 60 and the roller 72 be arranged on the cyclic track of the first crawler belt 70.
Along the travel path of dewatering bands 30, set gradually the first cylinder 50 as cylinder portion and second tin roller 60 with being separated by.
In this case, as long as can mud be imported according to structure on the transfer path of dewatering bands 30 before via the first cylinder 50.
The first crawler belt 70 as crawler belt portion is configured to carry out circulation rotating via the first cylinder 50 and second tin roller 60 in the lump.
In such an embodiment, differential power applying unit is configured to travel path along dewatering bands 30 according to the character of mud and shape to uprise successively or DC potential to be applied to the first cylinder 50 and second tin roller 60 and the first crawler belt 70 by the mode of step-down.
Herein, character and the shape of mud is determined according to the kind and electric conductivity etc. of mud.
As an example, when microorganism mud, the moisture of mud can be divided into by the cell membrane of microorganism around internal water and cell membrane between contained outside water; And when the content of outside water is higher than internal water, differential power applying unit is configured in the mode uprised successively, current potential is applied to the first cylinder 50, second tin roller 60 and the first crawler belt 70 along the travel path of dewatering bands 30.
On the contrary, when the content of the internal water of mud is higher than outside water, in order to first destroy cell membrane, differential power applying unit is configured in the mode of step-down successively, current potential is applied to the first cylinder 50, second tin roller 60 and the first crawler belt 70 along the travel path of dewatering bands 30.
In addition, when the electric conductivity of mud is higher than a reference value set, differential power applying unit is configured in the mode uprised successively, current potential is applied to the first cylinder 50, second tin roller 60 and the first crawler belt 70 along the travel path of dewatering bands 30; When the electric conductivity of mud is lower than a reference value set, differential power applying unit is configured in the mode of step-down successively, current potential is applied to the first cylinder 50, second tin roller 60 and the first crawler belt 70 along the travel path of dewatering bands 30.
Differential power applying unit is formed by the first power supply applying unit 81 and second source applying unit 82.
First current potential is applied to the first crawler belt 70 and the first cylinder 50 by the first power supply applying unit 81.
The second current potential higher or lower than the first current potential is applied to the first crawler belt 70 and second tin roller 60 by second source applying unit 82.
In this example, using the first crawler belt 70 as public terminal, thus connect into the current potential of the amount corresponding with the first current potential is applied to the first cylinder 50, the second current potential higher than the first current potential is applied to second tin roller 60.
Preferably, when such as the second current potential is arranged to higher than the first current potential by the aforementioned character according to mud and shape, the first current potential can be 50 to 70 volts, the second current potential can be 71 to 85 volts.In addition, as the aforementioned character according to mud and shape the second current potential is arranged to lower than the first current potential time, the first current potential can be 71 to 85 volts, the second current potential can be 50 to 70 volts.
In addition, distinguish ground therewith, as shown in Figure 4, first cylinder 50 on the travel path being positioned at dewatering bands 30 can be adopted as cylinder portion; The structure with the first crawler belt 170 and the second crawler belt 175 can be adopted as crawler belt portion.Wherein, the first crawler belt 170 is configured to a part relatively circulation rotating with the first cylinder 50 outer peripheral face; Second crawler belt 175 is provided in a part relatively circulation rotating with the outer peripheral face of the first cylinder 50 on the position that is separated by with the first crawler belt 170, to be depressed on the first cylinder 50 by the dewatering bands 30 via the first crawler belt 170.In order to avoid the complexity of accompanying drawing, only to imparting Reference numeral for of circulating in the rotating roller 172 of the first crawler belt 170.
In this case, the first power supply applying unit 181 and second source applying unit 182 can be used as differential power applying unit.Wherein, the first power supply applying unit 181 is for being applied to the first cylinder 50 by the first current potential, and second source applying unit 182 is for being applied to second source applying unit 182 by the second current potential higher or lower than the first current potential.
In this example, using the first cylinder 50 as public terminal, thus connect into the current potential of the amount corresponding with the first current potential is applied to the first crawler belt 170, the second current potential higher than the first current potential is applied to the second crawler belt 175.
Be different from example, the current potential of the amount corresponding with the second current potential can also be applied between the first cylinder 50 and the second crawler belt 175 so that the current potential of amount is applied to the first cylinder 50, described second potential voltage is dispensed between the first cylinder 50 and the first crawler belt 170, and is applied to the first crawler belt 170 by being distributed into lower than the first current potential of the second current potential.
In addition, can also using the first cylinder 50 as public terminal, thus connect into the current potential of the amount corresponding with the first current potential is applied to the first crawler belt 170, the second current potential lower than the first current potential is applied to the second crawler belt 175.
In addition, distinguish ground therewith, as shown in Figure 5, the first cylinder 50 and second tin roller 60 that arrange with being separated by successively on the direct of travel of dewatering bands 30 can be adopted as cylinder portion; The structure with the first crawler belt 270, second crawler belt 275, the 3rd crawler belt 277 and the 4th crawler belt 279 can be adopted as crawler belt portion.Wherein, the first crawler belt 270 is configured to a part relatively circulation rotating with the outer peripheral face of the first cylinder 50; Second crawler belt 275 is configured to a part relatively circulation rotating with the outer peripheral face of the first cylinder 50, to be depressed on the first cylinder 50 by the dewatering bands 30 via the first crawler belt 270 on the position be separated by with the first crawler belt 270; 3rd crawler belt 277 is configured to and a part for the outer peripheral face of second tin roller 60 relatively circulation rotating, with by via the first cylinder 50 and the dewatering bands 30 entering into second tin roller 60 is depressed on second tin roller 60; 4th crawler belt 279 is configured to and a part for the outer peripheral face of second tin roller 60 relatively circulation rotating, to be depressed on second tin roller 60 by the dewatering bands 30 via the 3rd crawler belt 277.
In this case, there is the first power supply applying unit 281 to the 4th power supply applying unit 284 as differential power applying unit.And as described above, according to character and the shape of mud, configure the first power supply applying unit 281 to the 4th power supply applying unit 284 in the mode making current potential increase gradually successively or to make current potential decline successively.In this example, in order to avoid the complexity illustrated, the structure risen making current potential is successively as example.
First current potential is applied to the first crawler belt 270 and the first cylinder 50 by the first power supply applying unit 281.
The second current potential higher or lower than the first current potential is applied to the second crawler belt 275 and the first cylinder 50 by second source applying unit 282.
The 3rd current potential higher or lower than the second current potential is applied to the 3rd crawler belt 277 and second tin roller 60 by the 3rd power supply applying unit 283.
The 4th current potential higher or lower than the 3rd current potential is applied to the 4th crawler belt 279 and second tin roller 60 by the 4th power supply applying unit 284.
Herein, as described above, the first current potential, the second current potential, the 3rd current potential and the 4th current potential are for uprising successively or step-down successively.
As mentioned above, when apply along the travel path of dewatering bands 30 between the cylinder of current potential and crawler belt according to the character of mud and shape with uprise gradually or the mode of step-down applies current potential time, then in electric dehydration process, the dehydrating effect of mud can be improved further according to the transfer of dewatering bands 30.
In addition, the structure of another embodiment implementing dehydration based on electric osmose is described with reference to Fig. 6 to Fig. 7, wherein the crawler belt that is divided into three is have employed to a cylinder and drying can be carried out to the mud via crawler belt.In this example, the transfer direction of dewatering bands 30 is contrary with the transfer direction in Fig. 1.
With reference to Fig. 6 to Fig. 7, first cylinder 50 on the travel path being positioned at dewatering bands 30 can be adopted as cylinder portion; The structure with the first crawler belt 331, second crawler belt 332 and the 3rd crawler belt 333 can be adopted as crawler belt portion 330.Wherein, the first crawler belt 331 is configured to a part relatively circulation rotating with the outer peripheral face of the first cylinder 50; Second crawler belt 332 is provided in a part relatively circulation rotating with the outer peripheral face of the first cylinder 50 on the position that is separated by with the first crawler belt 331, to be depressed on the first cylinder 50 by the dewatering bands 30 via the first crawler belt 331; 3rd crawler belt 333 is provided in a part relatively circulation rotating with the outer peripheral face of the first cylinder 50 on the position that is separated by with the second crawler belt 332, to be depressed on the first cylinder 50 by the dewatering bands 30 via the second crawler belt 332.
In this case, the first power supply applying unit 341, second source applying unit 342 and the 3rd power supply applying unit 343 is used as differential power applying unit.Wherein, first power supply applying unit 341 is for being applied to the first crawler belt 331 and the first cylinder 50 by the first current potential, second source applying unit 342 is for being applied to the second crawler belt 332 and the first cylinder the 50, three power supply applying unit 343 for the second current potential higher or lower than the second current potential being applied to the 3rd crawler belt 333 and the first cylinder 50 by the second current potential higher or lower than the first current potential.As described above, the direct of travel along dewatering bands 30 configures the first power supply applying unit 341, second source applying unit 342 and the 3rd power supply applying unit 343 in the mode making current potential increase gradually successively or to make current potential decline successively.In this example, in order to avoid the complexity illustrated, the structure risen making current potential is successively as example.
In addition, electroosmotic dehydration device 310 also comprises: main drying section 360, washing unit 370, mud dosing unit 380 and tension force maintain unit 410.Wherein, main drying section 360 is for carrying out high temperature compressed to carry out drying to the mud of the dehydration through the first crawler belt 331, second crawler belt 332, the 3rd crawler belt 333 and the first cylinder 50; Washing unit 370 to be arranged on framework 20 and for washing dehydration band 30; The upper side that mud dosing unit 380 is arranged on framework 20 needs the mud of dehydration for weight feed; Tension force maintenance unit 410 is arranged on the framework 20 on the mobile route being positioned at dewatering bands 30 to maintain the tension force of dewatering bands 30.
Main drying section 360 comprises: cylinder 361 of exerting pressure, unlimited rail-like transfer band 362, transfer plate 364 and cylinder heating part 460.Wherein, cylinder 361 of exerting pressure can be rotatably set on framework 20; Unlimited rail-like transfer band 362 to be arranged on framework 20 and mud for transferring the dehydration via the first crawler belt 331, second crawler belt 332, the 3rd crawler belt 333 and the first cylinder 50, and the side of unlimited rail-like transfer band 362 contacts in the mode of exerting pressure and compresses to make mud be pressed cylinder 361 at the outer peripheral face of cylinder 361 of exerting pressure; Transfer plate 364 is for being transferred to the mud of the dehydration via the first cylinder 50, first crawler belt 331, second crawler belt 332 and the 3rd crawler belt 333 cylinder 361 side of exerting pressure; Cylinder 361 is exerted pressure at high temperature to compress mud in cylinder heating part 460 described in heating.
Cylinder 361 of exerting pressure can be rotatably set on the framework 20 on the downside of the first cylinder 50.Cylinder 361 of exerting pressure comprises: cylindrical-shaped main body 361a and rotating shaft 361b.Wherein, cylindrical-shaped main body 361a inside has the first Room 361c, and rotating shaft 361b is configured to the pivot of through main body 361a.
In order to the heat by applying from cylinder heating part 460 can easily Heating body 361a, preferably form main body 361a by the stainless metal material that such as specific heat is relatively low.Although not shown in figures, rotating shaft 361b and such as electric rotating machine, be connected for generation of the drive unit of revolving force, to rotate according to drive unit.
Flow in the first Room 361c or from the first Room 361c to make heat exchange medium and flow out, rotating shaft 361b preferably comprises: the first path 361d and alternate path 361e.Wherein, it is inner that the first path 361d is communicated to the first Room 361c from a side end outer peripheral face of rotating shaft 361b, and it is inner that alternate path 361e is communicated to the first Room 361c from the end side outer peripheral face of rotating shaft 361b.
Guide transfer band 362 by the second guide reel 362a, and transfer band 362 is configured to its part contacts to cylinder 361 of exerting pressure around the outer peripheral face of cylinder 361 of exerting pressure in the mode of exerting pressure.Transfer band 362, for ease of being expelled to outside by from the water being pressed the mud dehydration that cylinder 361 compresses, preferably forms transfer band 362 by filter cloth or porous material.
One end of transfer plate 364 be benchmark with mud transfer direction, relative to the rear of the first cylinder 50, adjacent towards the part of downside conversion direction with dewatering bands 30 after the first guide reel 334 via the circulation for guiding dewatering bands 30; Transfer the other end of plate 364 and exert pressure adjacent between cylinder 361 and transfer band 362, exerting pressure between cylinder 361 and transfer band 362 so that mud is supplied to.
Cylinder heating part 460 comprises: the first heat exchange medium supply unit 462 and the first heat exchange medium discharge portion 463.Wherein, the first heat exchange medium supply unit 462 is for being supplied to the cylinder 361 of exerting pressure in the first Room 361c by the heat exchange medium of high temperature; First heat exchange medium discharge portion 463 discharges heat exchange medium for the first Room 361c from cylinder 361 of exerting pressure.
First heat exchange medium supply unit 462 comprises: the first joint 464, service 465, storage tank 466, supply pump 471 and boiler 467.Wherein, the first joint 464 can be rotatably set on an end of rotating shaft 361b, for heat exchange medium being supplied to the entrance side of the first path 361d of rotating shaft 361b; Service 465 is communicated with by the first joint 464 with the first path 361d and is connected; Storage tank 466 is communicated with service 465 and is connected and housed inside with the heat exchange medium of high temperature; Supply pump 471 is arranged on service 465, is supplied to the first path 361d of rotating shaft 361b for the heat exchange medium in pumping storage tank 466; Boiler 467 is for heating the heat exchange medium of discharging via the first heat exchange medium discharge portion 463 and be supplied in storage tank 466.Now, preferably, formed the first joint 464 and the second joint 468 with swivel joint, and by boiler 467, heat exchange medium is heated to 250 ~ 300 DEG C.
First heat exchange medium discharge portion 463 comprises: the second joint 468 and discharge line 469.Wherein, the second joint 468 can be rotatably set in the other end of rotating shaft 361b, for by rotating shaft 361b the outlet side of alternate path 361e discharge the heat exchange medium of exerting pressure in the first Room 361c of cylinder 361; Discharge line 469 is communicated with described alternate path 361e by the second joint 468, and for the heat exchange medium of being discharged by alternate path 361e is transferred in storage tank 466.
By the first joint 464 of the first heat exchange medium supply unit 462, the heat exchange medium of high temperature is supplied in the first Room 361c of cylinder 361 of exerting pressure.When the water level that mode is supplied to the heat exchange medium of the inside of the first Room 361c of cylinder 361 of exerting pressure as described above reaches the center of the first Room 361c of cylinder 361 of exerting pressure, when reaching more than rotating shaft 361b, discharge heat exchange medium by alternate path 361e, the second joint 468 and the discharge line 469 be arranged on rotating shaft 361b.Herein, the heat exchange medium being supplied to the first Room 361c of cylinder 361 of exerting pressure reaches a half of the first Room 361c of cylinder 361 of exerting pressure, be discharged to circulate when namely not exceeding more than rotating shaft 361b position.
In addition, as shown in Figure 8, in electroosmotic dehydration device according to the present invention, can also with the transfer direction of mud for multiple main drying section 360 to be successively set on the rear of the first cylinder 50, first crawler belt 331, second crawler belt 332 and the 3rd crawler belt 333 by benchmark.In this case, because carry out double dehydration, so have the advantage improving dehydration rate to the mud via the first cylinder 50 and crawler belt 330 by multiple main drying section 360.
Washing unit 370 comprises: multiple brush (e.g., brush 371, brush 372), washing drive division 373 and collection funnel 379.Wherein, multiple brush (e.g., brush 371, brush 372) with dewatering bands 30 for benchmark is arranged on the framework 20 on position toward each other; Washing drive division 373 is for driving each brush (e.g., brush 371, brush 372); Collection funnel 379 is for collecting and discharging the mud removed by multiple brush (e.g., brush 371, brush 372).
Now, preferably multiple brush (as brush 371, brush 372) is arranged to the surface contact with dewatering bands 30.Washing drive division 373 comprises: motor 374, drive sprocket 375, multiple driven sprocket (e.g., driven sprocket 376, driven sprocket 378) and connection chain 377.Wherein, motor 374 is arranged on framework 20; Drive sprocket 375 is engaged to the rotary middle spindle of motor 374; Multiple driven sprocket (e.g., driven sprocket 376, driven sprocket 378) is separately positioned on the rotary middle spindle of multiple brush (e.g., brush 371, brush 372); Connection chain 377 is arranged on drive sprocket 375 and driven sprocket 376.
Collection funnel 379 be arranged on be positioned at multiple brush (e.g., brush 371, brush 372) downside framework 20 on, and being formed to make the mud removed by multiple brush (e.g., brush 371, brush 372) easily to flow in open mode above, it is inner.
Sludge discharge pipe road is provided with, for the mud being contained in collection funnel 379 inside is expelled to outside below collection funnel 379.Preferably, switch valve is set in sludge discharge pipe road with opening and closing internal flow path.
Now, with the moving direction of mud for benchmark, washing unit 370 is preferably arranged on transfer plate 364 rear side.In the mud dewatered by the first cylinder 50, removed the mud not being transferred to main drying section 360 because sticking to dewatering bands 30 surface by take-off plate part 364 by washing unit 370.
As the device of mud of weight feed for dewatering, mud dosing unit 380 is supported by the sub-frame 312 supported by framework 20, and comprises: supply funnel 381.Wherein, the width supplying funnel 381 is identical with the width of dewatering bands 30 in fact.Be provided with the first supply belt conveyor 382 of inclination in the side of described supply funnel 381, comprise the second supply belt conveyor 383 at the opposite side of described supply funnel 381.Wherein, the second supply belt conveyor 383 is configured to that its bottom and first supplies that belt conveyor 382 is close to and its upper end and first supplies belt conveyor 382 and is separated by, thus supplies belt conveyor 382 form tapering with first.
First supply belt conveyor 382 and the second supply belt conveyor 383 comprise respectively: upper roll 382a, 383a; Be positioned at upper roll 382a, the lower rollers 382b of 383a bottom, 383b; And supply band 382c, 383c.Supply band 382c, 383c with the formation such as flat rubber belting, guipure, and can arrange the take-up device of the tension force being used for accommodation zone at sub-frame 312.
Sub-frame 312 is also provided with the band drive division (not shown) for driving the first supply belt conveyor 382 and the second supply belt conveyor 383.
In addition, the another embodiment of mud dosing unit 420 is described with reference to Fig. 9.
With reference to Fig. 9, mud dosing unit 420 also comprises: through part 421, for the mud slurry uniform be expelled to by the first supply belt conveyor 382 and the second supply belt conveyor 383 above dewatering bands 30 is dispersed to dewatering bands 30.
Through part 421 comprises: multiple support 422, dispersion axle 423, discrete part 424 and dispersion drive division 425.Wherein, multiple support 422 is arranged on the framework 20 of the downside being positioned at the first supply belt conveyor 382 and the second supply belt conveyor 383; The two ends of dispersion axle 423 are rotatably supported on support 422; Discrete part 424 is engaged to dispersion axle 423 and has the spiral-shaped wing; Dispersion drive division 425 is for rotating dispersion axle 423.
With dewatering bands 30 for benchmark, support 422 is arranged on framework 20 by the width along dewatering bands 30 with being separated by.The two ends of dispersion axle 423 can be rotated to support on support 422 respectively, and are formed the pole shape that extends in parallel with the width of dewatering bands 30.
Discrete part 424 comprises reciprocal first helical element 426 and the second helical element 427 of the hand of spiral, thus can disperse mud along from dewatering bands 30 central part to the direction of marginal position.First helical element 426 and the second helical element 427 have hollow bulb to be inserted wherein through manner by dispersion axle 423, and are fixed to dispersion axle 423 by fixture thus together rotate with dispersion axle 423.First helical element 426 and the second helical element 427 are successively set on dispersion axle 423 along the width of dewatering bands 30.
Dispersion drive division 425 comprises: electric rotating machine 425a, driven wheel 425b and driven gear 425c.Wherein, electric rotating machine 425a is arranged on framework 20; Driven wheel 425b is engaged to the rotating shaft of electric rotating machine 425a; Driven gear 425c engages with driven wheel 425b.
Apply revolving force by dispersion drive division 425 to dispersion axle 423, by the rotation of dispersion axle 423, first helical element 426 and the second helical element 427 are rotated, thus the mud that dispersion is positioned on dewatering bands 30.Now, because the first helical element 426 and the second helical element 427 are formed with screw wing along direction opposite each other, so can along from the central part of dewatering bands 30 to the direction of marginal position dispersion mud.Because mud slurry uniform is dispersed to dewatering bands 30 by through part 421, so have the advantage can improved by dehydrating effect when the first cylinder 50 and the first crawler belt 331, second crawler belt 332 and the 3rd crawler belt 333 pairs of slurry dewaterings.
Tension force maintains unit 410 and comprises: tilting member 411, pressure roller 412 and actuator 413.Wherein, tilting member 411 is arranged on swingably along the direction that the transfer direction relative to dewatering bands 30 intersects and is positioned at on the framework 20 on relative position, dewatering bands 30 surface; The end that pressure roller 412 can be rotatably set in tilting member 411 contacts with dewatering bands 30 to make outer peripheral face; Actuator 413 is for swinging tilting member 411 to move pressure roller 412 along the direction adjacent with dewatering bands 30.
Relative to the transfer direction of the mud transferred by dewatering bands 30, tilting member 411 be arranged on be positioned at washing unit 370 rear framework on; And one end of tilting member 411 is arranged on framework 20 swingably; And extend certain length along below.
The rotating shaft of pressure roller 412 is arranged on tilting member 411 swingably, and is formed the drum with certain internal diameter, and extends abreast with the width of dewatering bands 30.One end of actuator 413 is arranged on the other end of tilting member 411 swingably, and the other end of actuator 413 is arranged on framework 20 swingably.Actuator 413 is preferably the hydraulic cylinder alongst stretched according to the hydraulic pressure of supply.
When causing dewatering bands 30 to relax because using dewatering bands 30 for a long time, in order to apply tension force to dewatering bands 30, running actuator 413 to swing tilting member 411 along dewatering bands 30 direction, thus pressure roller 412 pairs of dewatering bands 30 are intervened.
Below, by illustrating as constituted above, according to the effect of electroosmotic dehydration device 310 of the present invention.
First, under state differential voltage being applied to the first cylinder 50, first crawler belt 331, second crawler belt 332 and the 3rd crawler belt 333 from differential power applying unit, mud is supplied to the supply funnel 381 of mud dosing unit 380.In this state, the first supply belt conveyor 382 and the second supply belt conveyor 383 is driven.When operating in the manner described above, supplying the operation of belt conveyor 383 according to the first supply belt conveyor 382 and second and making mud move to the bottom of the first supply belt conveyor 382 and the second supply belt conveyor 383 and be discharged.Now, at the uniform velocity to rotate the first supply belt conveyor 382 and the second supply belt conveyor 383, thus weight feed mud constantly.By changing the rotating speed of the first supply belt conveyor 382 and the second supply belt conveyor 383, the quantity delivered of mud can be regulated.
The mud of supply described above is at the first cylinder 50 and realize dewatering when transferring and carry out between the first crawler belt 331, second crawler belt 332 and the 3rd crawler belt 333.After in the manner described above to slurry dewatering, transferred by dewatering bands 30 and discharged.And main drying section 360 is arranged on the side of carrying out discharging.By transfer plate 364, mud is transferred to cylinder 361 side of exerting pressure of main drying section 360.By exerting pressure to mud between cylinder 361 and transfer band 362 and carry out drying exerting pressure.Now, because the cylinder 361 that makes because cylinder heating part 460 is heated to exert pressure is in the state of high temperature, so improve the drying effect of mud.
In addition, in the process of carrying out slurry dewatering, mud can pollute dewatering bands 30, but because contaminated dewatering bands 30 continuously or intermittently can be washed by washing unit 370, so the dehydration of mud can be made not by the impact of dewatering bands 30.
Form in the manner described above, according to electroosmotic dehydration device 300 of the present invention, because the mud that can high temperature compressedly have been dewatered by electric osmose carry out drying, so have the advantage of the drying effect improving mud.
In addition, the electroosmotic dehydration device 315 according to further embodiment of this invention has been shown in Figure 10 and Figure 11.The element had with the element identical function in accompanying drawing before will be represented with identical Reference numeral.In addition, in order to avoid the complexity of accompanying drawing, differential power applying unit is eliminated.
With reference to Figure 10 and Figure 11, electroosmotic dehydration device 315 also comprises: drying aid portion 390, to the mud supply extraneous gas by the drying of main drying section 360 to carry out drying.
As collecting the mud by the drying of main drying section 360 and carrying out again dry device, described drying aid portion 390 comprises: housing 391, mixing part 392 and ventilation blower 393.Wherein, housing 391 has spatial accommodation to hold the mud by the drying of main drying section 360 in inside; It is inner that mixing part 392 is arranged on housing 391, for stirring the mud be contained in spatial accommodation; Ventilation blower 393 is arranged on housing 391, for extraneous gas is delivered to spatial accommodation.
Housing 391 has the spatial accommodation for holding mud therein, and forms along a direction extension.Be provided with in housing 391 side and drop into funnel 393a, thus the mud can collected through cylinder 361 of exerting pressure to be transferred to housing 391 inner.Now, preferably, with mud transfer direction direction for benchmark is relative to the rear of cylinder 361 of exerting pressure, the upper end dropping into funnel 393a with make transfer band 362 be adjacent to arrange towards the part of downside conversion direction by the second guide reel 362a.Below housing 391 opposite side, be formed with outlet 393b thus dried mud can be expelled to outside.
Mixing part 392 comprises: shaft 394, multiple mixing component 395 and stirring drive division 396.Wherein, the two ends of shaft 394 can be rotatably set in housing 391 inside; Multiple mixing component 395 is arranged on the outer peripheral face of shaft 394; Stir drive division 396 for driving described shaft 394.
Shaft 394 is formed the pole shape extended towards opposite side direction from the side of housing 391.Mixing component 395 is separated by along the length direction of shaft 394, and with from shaft 394 center away from direction extend form.Now, with spiral-shaped formation mixing component 395, easily can be stirred to make the mud flowing into housing 391 inside by dropping into funnel 393a and be transferred to the outlet 393b side of housing 391.
Stir drive division 396 to comprise: drive motors 397 and driving section 398.Wherein, drive motors 397 corresponds to and produces revolving force from the power supply of outside supply; Driving section 398 is arranged between drive motors 397 and shaft 394, for transmitting the revolving force of drive motors 397.Driving section 398 comprises: drive sprocket 398a, driven sprocket 398b and connection chain 398c.Wherein, drive sprocket 398a is arranged on the rotating shaft of drive electrode 397; Driven sprocket 398b engages with shaft 394; Connection chain 398c is for connecting drive sprocket 398a and driven sprocket 398b.
On housing 391, multiple ventilation blower 393 is set respectively on the position that the length direction of housing 391 is separated by.Extraneous gas is supplied to the mud that stirs in the portion of being stirred 392 to carry out drying by ventilation blower 393.
Be stirred portion 392 via the mud dropping into funnel 393a input in housing 391 inside stir and realize drying.Now, extraneous gas is supplied to housing 391 inside to improve the index of aridity of mud by ventilation blower 393.
Because the drying aid portion 390 formed in the manner described above collects by the first dried mud of main drying section 360 and stirs it and extraneous gas be supplied to the mud that is being stirred to carry out drying to it, so improve the dehydration rate to mud by ventilation blower.
In addition, cylinder cooling unit 560 is described in detail with reference to Figure 12 and Figure 13.
With reference to Figure 12 and Figure 13, in cylinder cooling unit 560, be formed with the second Room 561 of the inside for heat exchange medium 700 being injected into the first cylinder 50, wherein heat exchange medium 700 is for cooling; The both sides of the first cylinder 50 are formed with the second heat exchange medium supply unit 562 and the second heat exchange medium discharge portion 565, wherein the second heat exchange medium supply unit 562 for heat exchange medium being supplied to the inside of the second Room 561, the second heat exchange medium discharge portion 565 is used for discharging heat exchange medium 700 from the second Room 561.
The second Room 561 being formed in the first cylinder 50 is formed by the inner space portion sealing to the first cylinder 50 supported by rotating shaft 51.This inner space portion is formed centered by rotating shaft 51, symmetrical space, thus makes it from the impact of the first cylinder 50 rotated centered by the rotating shaft 51 of the first cylinder 50.
Described second heat exchange medium supply unit 562 is formed with the injection path 563 of the inside being communicated to the second Room 561 from the outer peripheral face of the rotating shaft 51 of the first cylinder 50, and comprises: the first swivel joint 564.Wherein, the first swivel joint 564 can be rotatably set on rotating shaft 51, for heat exchange medium being supplied to the entrance side injecting path 563.
First swivel joint 564 is formed with the first groove 564a be circumferentially connected with injection path 563 at the outer peripheral face of rotating shaft 51, and comprises: the first housing 564b, heat exchange medium service 564c and pump 564d.Wherein, the first housing 564b can be rotatably set on described rotating shaft 51 with around the first groove 564a; Heat exchange medium service 564c is combined with described first housing 564b, for heat exchange medium being supplied to the second Room 561 by described first groove 564a and injection path 563; Pump 564d is used for the heat exchange medium in storage tank to be pumped to described heat exchange medium service 564c.
When heat exchange medium is made up of water, heat exchange medium service 564c directly can connect with water source supply pipeline (such as, running water pipe).
In addition, described second heat exchange medium discharge portion 565 is arranged on the device on the end of the rotating shaft 32 of the opposite side corresponding with the second heat exchange medium supply unit 562, and its structure is identical with the second heat exchange medium supply unit 562 in fact.That is, described second heat exchange medium discharge portion 565 is formed with the drain passageway 566 of the inside being communicated to described second Room 561 from the opposite side outer peripheral face of the rotating shaft 51 of described first cylinder 50, and comprises: the second swivel joint 567.Wherein, the second swivel joint 567 can be rotatably set on described rotating shaft 51, for discharging the heat exchange medium in the outlet side of described drain passageway 566 and the second Room 561.Described second swivel joint 567 is formed with the second groove 567a be circumferentially connected with described drain passageway 566 at the outer peripheral face of rotating shaft 51, and comprises: the second housing 567b and heat exchange medium discharge line 567c.Wherein, the second housing 567b can be rotatably set on described rotating shaft 51 with around this second groove 567a; Heat exchange medium discharge line 567c is combined with described second housing 567b, for heat exchange medium being supplied to the second Room 561 by described second groove 567a and drain passageway 566.
Heat exchange medium 700 is supplied in the second Room 561 by the first swivel joint 564 of the second heat exchange medium supply unit 562 by the cylinder cooling unit 560 formed in the manner described above.When the water level of heat exchange medium 700 of the inside being supplied to the second Room 561 in the manner described above reaches the center of the second Room 561, when namely reaching the water level of rotating shaft more than 51, by being arranged on drain passageway 566, second swivel joint 567 on rotating shaft 51 and heat exchange medium discharge line 567c discharges.Herein, the heat exchange medium being supplied to described second Room 561 reaches the half of the second Room 561, namely more than rotating shaft position is namely discharged to circulate.
In addition, although describe cylinder cooling unit 560 to be in this example arranged on structure on the first cylinder 50, example is not limited to this, also can be arranged on second tin roller 60.
Another embodiment according to cylinder cooling unit 570 of the present invention has been shown in Figure 14 and Figure 15.Reference numeral same as the previously described embodiments represents identical component.
With reference to accompanying drawing, described cylinder cooling unit 570 comprises: heat exchanging pipe 571.Wherein, heat exchanging pipe 571 is arranged to serpentine shaped along the inner peripheral surface of the first cylinder 50, and the side of described heat exchanging pipe 571 is connected with the injection path 563 of the second heat exchange medium supply unit 562 on the side being arranged on rotating shaft 51.Therefore, the heat exchange medium that the heat exchange medium service 564c by the first swivel joint 564 can be supplied is supplied to heat exchanging pipe.In addition, the end side of described heat exchanging pipe 571 is connected with the drain passageway 566 of the second heat exchange medium discharge portion 565 in the end side being formed in described rotating shaft 51.
Described heat exchanging pipe 571 can be arranged in the inner peripheral surface of the first cylinder 50 with serpentine shaped or can form the water jacket of serpentine shaped in the first cylinder 50 inside.
In order to use the cylinder cooling unit 570 formed in the manner described above to cool the first cylinder 50, using the first swivel joint 564 of described second heat exchange medium supply unit 562 to supply water to and injecting path 563; The water supplied in the manner described above is discharged by heat exchanging pipe 571, drain passageway 566 and the second swivel joint 567.In the process, the water flowed with the heat exchanging pipe 571 on the inner peripheral surface by being arranged on the first cylinder 50 carries out heat exchange, namely carries out heat exchange with heat exchange medium, thus cooling the first cylinder 50.Therefore, described first cylinder 50 that causes because applying voltage can be prevented overheated.
Another embodiment according to cylinder cooling unit of the present invention has been shown in Figure 16 and Figure 17.With reference to accompanying drawing, it comprises heating tube 580, and wherein heating tube 580 is arranged on the outer peripheral face of the first cylinder 50, by transferring heat each other between the first cylinder 50 and the dewatering bands 30 using mud, to distribute the heat of the first cylinder 50.The defeated hot portion 582 of heating tube 580 contacts with the inner peripheral surface of described first cylinder 50, between the radiating part 581 of heating tube 580 divider 531 on the outer peripheral face being arranged on described first cylinder 50.In described heating tube 580, supply the hot fluid of 80% to 90% of inner space, thus make it comprise bubble.
According to using the cylinder cooling unit of this heating tube 580, by realizing heat exchange between the mud of dewatering bands 30 movement and the first cylinder 50, thus the first cylinder 50 can be cooled.Namely, when being heated from the defeated hot portion 582 on the inner peripheral surface being arranged on described first cylinder 50, the gas of described hot fluid and its inside carries out adiabatic expansion, thus make hot fluid move to radiating part 581, and in described radiating part 581 distribute heat shrinking.By this process, heat radiation can be realized in defeated hot portion 582 and radiating part 581.
In addition, described cylinder cooling unit is not limited to the above embodiments, as long as namely the structure that can cool the first cylinder 50 in the driving that can cool the first cylinder 50 can be used as cylinder cooling unit.
Although describe the present invention with reference to embodiment shown in the drawings, this is only exemplary, and those of ordinary skill in the art should be understood that and can implement various deformation and impartial embodiment thus.
Therefore, real protection domain of the present invention should only be limited by claims scope.
Claims (12)
1. an electroosmotic dehydration device, comprising: cylinder portion, has the cylinder that can be rotatably set on framework; Crawler belt portion, has the crawler belt arranged with being separated by which cylinder; And dewatering bands, transfer between cylinder and crawler belt, for slurry dewatering, wherein, described cylinder and described crawler belt add up to more than three,
Described electroosmotic dehydration device also comprises:
Differential power applying unit, along the travel path of described dewatering bands, to uprise successively with potential difference or current potential is applied to described cylinder and described crawler belt by the mode of step-down, it is characterized in that,
Described cylinder portion comprise be arranged on described dewatering bands with being separated by successively travel path on the first cylinder and second tin roller,
Described crawler belt portion comprises and being configured to via described first cylinder and described second tin roller and the first crawler belt of circulation rotating,
Described differential power applying unit comprises:
First power supply applying unit, for being applied to described first crawler belt and described first cylinder by the first current potential; And
Second source applying unit, for being applied to described first crawler belt and described second tin roller by the second current potential higher or lower than described first current potential.
2. electroosmotic dehydration device as claimed in claim 1, characterized by further comprising:
Main drying section, for carrying out high temperature compressed to carry out drying to the described mud dewatered through described crawler belt portion and described cylinder portion.
3. electroosmotic dehydration device as claimed in claim 2, is characterized in that described main drying section comprises:
To exert pressure cylinder, can be rotatably set on described framework;
Unlimited rail-like transfer band, arrange on said frame, for transferring the mud dewatered via described crawler belt portion and cylinder portion, and the side of described unlimited rail-like transfer band with the mode of exerting pressure contact to described in exert pressure cylinder outer peripheral face thus make described mud can be pressed Roller compaction; And
Cylinder heating part, for exerting pressure cylinder thus with high temperature compressed described mud described in heating.
4. electroosmotic dehydration device as claimed in claim 3, is characterized in that,
Described cylinder of exerting pressure comprises the room for injecting heat exchange medium therein,
Described cylinder heating part comprises:
First heat exchange medium supply unit, the side of cylinder of exerting pressure described in being arranged on, for being injected into described chamber interior by the described heat exchange medium of high temperature; And
First heat exchange medium discharge portion, the opposite side of cylinder of exerting pressure described in being arranged on, for discharging described heat exchange medium from described room.
5. electroosmotic dehydration device as claimed in claim 2, characterized by further comprising:
Drying aid portion, dry to carry out again for the described mud stirred by described main drying section is dried.
6. electroosmotic dehydration device as claimed in claim 5, is characterized in that described drying aid portion comprises:
Housing, has spatial accommodation therein to hold by the dried described mud of described main drying section;
Mixing part, is arranged on described enclosure interior, for stirring the mud be contained in described spatial accommodation; And
Ventilation blower, is arranged on the housing, for extraneous gas is delivered to described spatial accommodation.
7. an electroosmotic dehydration device, comprising: cylinder portion, has the cylinder that can be rotatably set on framework; Crawler belt portion, has the crawler belt arranged with being separated by which cylinder; And dewatering bands, transfer between cylinder and crawler belt, for slurry dewatering, wherein, described cylinder and described crawler belt add up to more than three,
Described electroosmotic dehydration device also comprises:
Differential power applying unit, along the travel path of described dewatering bands, to uprise successively with potential difference or current potential is applied to described cylinder and described crawler belt by the mode of step-down, it is characterized in that,
Described cylinder portion comprise be arranged on described dewatering bands with being separated by successively travel path on the first cylinder and second tin roller,
Described crawler belt portion comprises:
First crawler belt, is configured to a part relatively circulation rotating with the outer peripheral face of described first cylinder;
Second crawler belt, is configured to a part relatively circulation rotating with the outer peripheral face of described first cylinder, thus the described dewatering bands via described first crawler belt can be depressed on described first cylinder;
3rd crawler belt, is configured to and a part for the outer peripheral face of described second tin roller relatively circulation rotating, thus can be depressed on described second tin roller by the described dewatering bands entering into described second tin roller via described first cylinder; And
4th crawler belt, is configured to and a part for the outer peripheral face of described second tin roller relatively circulation rotating, thus can be depressed on described second tin roller by the described dewatering bands via described 3rd crawler belt,
Described differential power applying unit comprises:
First power supply applying unit, for being applied to described first crawler belt and described first cylinder by the first current potential;
Second source applying unit, for being applied to described second crawler belt and described first cylinder by the second current potential higher or lower than described first current potential;
3rd power supply applying unit, for being applied to described 3rd crawler belt and described second tin roller by the 3rd current potential higher or lower than described second current potential; And
4th power supply applying unit, for being applied to described 4th crawler belt and described second tin roller by the 4th current potential higher or lower than described 3rd current potential.
8. electroosmotic dehydration device as claimed in claim 7, characterized by further comprising:
Main drying section, for carrying out high temperature compressed to carry out drying to the described mud dewatered through described crawler belt portion and described cylinder portion.
9. electroosmotic dehydration device as claimed in claim 8, is characterized in that described main drying section comprises:
To exert pressure cylinder, can be rotatably set on described framework;
Unlimited rail-like transfer band, arrange on said frame, for transferring the mud dewatered via described crawler belt portion and cylinder portion, and the side of described unlimited rail-like transfer band with the mode of exerting pressure contact to described in exert pressure cylinder outer peripheral face thus make described mud can be pressed Roller compaction; And
Cylinder heating part, for exerting pressure cylinder thus with high temperature compressed described mud described in heating.
10. electroosmotic dehydration device as claimed in claim 9, is characterized in that,
Described cylinder of exerting pressure comprises the room for injecting heat exchange medium therein,
Described cylinder heating part comprises:
First heat exchange medium supply unit, the side of cylinder of exerting pressure described in being arranged on, for being injected into described chamber interior by the described heat exchange medium of high temperature; And
First heat exchange medium discharge portion, the opposite side of cylinder of exerting pressure described in being arranged on, for discharging described heat exchange medium from described room.
11. electroosmotic dehydration devices as claimed in claim 8, characterized by further comprising:
Drying aid portion, dry to carry out again for the described mud stirred by described main drying section is dried.
12. electroosmotic dehydration devices as claimed in claim 11, is characterized in that described drying aid portion comprises:
Housing, has spatial accommodation therein to hold by the dried described mud of described main drying section;
Mixing part, is arranged on described enclosure interior, for stirring the mud be contained in described spatial accommodation; And
Ventilation blower, is arranged on the housing, for extraneous gas is delivered to described spatial accommodation.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110072763A KR20130011540A (en) | 2011-07-22 | 2011-07-22 | Dehydrator |
| KR10-2011-0072763 | 2011-07-22 | ||
| KR1020120062998A KR20130139501A (en) | 2012-06-13 | 2012-06-13 | A high efficiency complex type electroosmotic dehydrator and dryer |
| KR10-2012-0062998 | 2012-06-13 | ||
| PCT/KR2012/005812 WO2013015574A2 (en) | 2011-07-22 | 2012-07-20 | Electroendosmosis dehydrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103702734A CN103702734A (en) | 2014-04-02 |
| CN103702734B true CN103702734B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280036397.9A Active CN103702734B (en) | 2011-07-22 | 2012-07-20 | Electroosmotic dehydration device |
Country Status (2)
| Country | Link |
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| CN (1) | CN103702734B (en) |
| WO (1) | WO2013015574A2 (en) |
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| CN104926066B (en) * | 2015-06-09 | 2017-10-03 | 沈阳建筑大学 | It is a kind of that innoxious and deep dehydration the method for heavy metal is realized simultaneously to dewatered sludge |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101754935A (en) * | 2007-05-14 | 2010-06-23 | 韩国水处理技术有限公司 | The electroosmotic dehydrator |
| CN101993183A (en) * | 2009-08-14 | 2011-03-30 | 伊普国际有限公司 | Sludge dewatering device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100457628B1 (en) * | 2004-02-06 | 2004-11-20 | 엔바이로엔지니어링 주식회사 | The electroosmotic dehydrator |
| KR100958954B1 (en) * | 2008-09-09 | 2010-05-19 | 주식회사리젠코리아 | dehydrator |
| KR100958953B1 (en) * | 2008-09-11 | 2010-05-19 | 주식회사리젠코리아 | dehydrator having drum cooling system |
| KR101271640B1 (en) * | 2009-06-08 | 2013-06-11 | 주식회사 그린기술산업 | dryer useing electroosmotic dehydrator |
-
2012
- 2012-07-20 WO PCT/KR2012/005812 patent/WO2013015574A2/en active Application Filing
- 2012-07-20 CN CN201280036397.9A patent/CN103702734B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101754935A (en) * | 2007-05-14 | 2010-06-23 | 韩国水处理技术有限公司 | The electroosmotic dehydrator |
| CN101993183A (en) * | 2009-08-14 | 2011-03-30 | 伊普国际有限公司 | Sludge dewatering device |
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| Publication number | Publication date |
|---|---|
| WO2013015574A3 (en) | 2013-05-23 |
| WO2013015574A2 (en) | 2013-01-31 |
| CN103702734A (en) | 2014-04-02 |
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