CN102381813A - System and method for processing rubbish percolate - Google Patents
System and method for processing rubbish percolate Download PDFInfo
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- CN102381813A CN102381813A CN2011102994376A CN201110299437A CN102381813A CN 102381813 A CN102381813 A CN 102381813A CN 2011102994376 A CN2011102994376 A CN 2011102994376A CN 201110299437 A CN201110299437 A CN 201110299437A CN 102381813 A CN102381813 A CN 102381813A
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Abstract
The invention discloses a system and a method for processing rubbish percolate. The system comprises a collecting pool, a middle pool, a vibrating film nano-filtration device and an evaporation device, wherein the vibrating film nano-filtration device comprises a shell, a diaphragm set and a motor; the diaphragm set downward extends, thereby forming a central driving rod; the motor and a belt are used together for driving an eccentric block on the central driving rod to rotate so as to generate a centrifugal force which can trigger vibration; the diaphragm set is driven to vibrate by energy generated from vibration, with the help of the central driving rod; and a shearing force which is generated by high-frequency vibration is spread in a sine form by the surface of a diaphragm in the diaphragm set, thereby efficiently solving a chocking problem of the diaphragm in the diaphragm set, achieving higher capability of resisting diaphragm pollution, realizing simple and efficient treatment for the rubbish percolate and achieving a better treating effect. A recycling system which is composed of the collecting pool, the middle pool and the evaporation device is used for continuously and efficiently separating clean liquid from concentrated liquid. The clean liquid meets the standard and is discharged. The concentrated liquid is evaporated and treated by the evaporation device, thereby achieving the purposes of reducing emission and reducing wastes.
Description
Technical field
The present invention relates to the sewage treatment equipment art, refer in particular to a kind of garbage percolation liquid treating system and method.
Background technology
Percolate is (to comprise Atmospheric precipitation by endogenous water that produces after the garbage decomposition and external moisture; Surface water, underground water invasion etc.) formed liquid; The water quality of percolate is quite complicated; Generally contain high-enriched organics, heavy metallic salt, SS and ammonia nitrogen, percolate is contaminated soil and earth surface water source not only, also can pollute underground water.
The processing of percolate at present mainly is to adopt biological degradation method; Major cause is that operating cost is low; But because the shared ratio height of the macromolecular compound that is difficult to degrade in the percolate; The restraining effect that exists heavy metal to produce can reach first discharge standard so behind biological process commonly used, add film.The conventional film processing flux is low, and concentration ratio is not high, is difficult to solve obstructing problem.
Application number is that 200510048672.0 Chinese invention patent discloses a kind of rubbish leachate treatment method; Its operation is: stripping, internal circulating anaerobic mud fluidized bed processing, active biological film handle and four ones of catalytic oxidations are united formation; The less investment of this art breading percolate; Processing cost is low, and efficient is high, and water quality can reach emission standard.But in operation will be according to the ammonia nitrogen concentration of percolate and COD and ammonia nitrogen concentration than definite GWR; In active biological film is handled; Biofilm carrier accounts for purification tank for liquid waste volumetrical 2/3rds; And it is gapped between biofilm carrier and carrier and the pool wall; To utilize bio-carrier to sending into the cutting action of air, improve the transfer rate of oxygen in water and the utilization ratio of oxygen with this, cumbersome on the handling procedure.
Application number is that 201010512527.4 Chinese invention patent discloses a kind of garbage filter liquid processing method; Through percolate being carried out homogenizing, diphasic anaerobic biochemical system, triple effect enhanced biological treatment system and advanced treatment; Can in each step, effectively be directed against percolate organism and the high characteristics of ammonia-nitrogen content; The multiple pollution element of high efficiency removal, effluent index is superior to national standard greatly.Yet, when selecting biological treatment, must measure the composition of percolate in detail, analyze its characteristics, obtain combined treatment process through lab scale or pilot scale, the ability qualified discharge, still cumbersome on the handling procedure.
In sum, utilize present equipment and the method still can not be simply and effectively to handling, treatment effect be not good.
Summary of the invention
In view of this; The present invention is directed to the disappearance of prior art existence; Its main purpose provides a kind of garbage percolation liquid treating system and method, its can effectively solve utilize existing installation and method can not be simply and effectively to percolate is handled, treatment effect is not good problem.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of garbage percolation liquid treating system includes collecting tank, middle pond, vibrations film nanofiltration device and evaporation unit; Wherein
This collecting tank is used to collect percolate;
This pond, centre is used for percolate is removed ammonia nitrogen, anaerobic degradation and aerobic degradation treatment, and the input aperture in this pond, centre is communicated with the delivery port of aforementioned collecting tank;
This vibrations film nanofiltration device is used for that percolate is carried out filtering separation and forms clear liquid and dope, and this vibrations film nanofiltration device includes casing and is installed on film group and the motor in the casing; This film group has stoste input aperture, clear liquid delivery port and dope delivery port; The delivery port in pond is communicated with this stoste input aperture through fresh feed pump in the middle of aforementioned, and this clear liquid delivery port is communicated with extraneous or outside RO pretreating device; This film group is extended the center transmission rod that is useful on the vibrations of drive film group downwards, and the lower end of this center transmission rod is provided with the eccentric block and first flange, and this first flange is positioned at the below of eccentric block; This motor is positioned at the below of film group, and the output terminal of this motor is provided with second flange, and this second flange is flexible coupling through the belt and first flange;
This evaporation unit is used for dope is carried out evaporation process, and the input aperture of evaporation unit is communicated with aforementioned dope delivery port.
As a kind of preferred version, said film group includes train wheel bridge, lower plate, water producing pipe and at least one filtering membrane unit that is fixedly clamped between train wheel bridge and lower plate;
This train wheel bridge is provided with two aforementioned stoste input apertures and an aforementioned clear liquid delivery port; This two stoste input aperture is respectively the first stoste input aperture and the second stoste input aperture; This first stoste input aperture and the second stoste input aperture are mutually symmetrical and are arranged at outside the two relative side of clear liquid delivery port; This water producing pipe is fixedly clamped between train wheel bridge and lower plate, and the lower end of water producing pipe is airtight, and the upper end of water producing pipe is communicated with this clear liquid delivery port;
This lower plate is provided with two aforementioned dope delivery ports, and this two dopes delivery port is corresponding respectively to be positioned on the axis of the aforementioned first stoste input aperture and the second stoste input aperture;
This filtering membrane unit includes the superimposed from lower to upper first standard film part, the second standard film part, the 3rd standard film part and the 4th standard film part together; Each standard film part is plates and being set in outside the water producing pipe ringwise all, and each standard film part has included pallet and diaphragm, and this diaphragm is folded the upper surface in pallet, and the periphery inboard on surface is provided with groove, this groove and water producing pipe internal communication on this pallet;
This first standard film part is a ditrysian type standard film part, and it is provided with two first through holes, and this two first through hole is corresponding respectively to be positioned on the axis of the aforementioned first stoste input aperture and the second stoste input aperture;
This second standard film part is a monotrysian type standard film part, and it is provided with one second through hole, and this second through hole is positioned on the axis of the aforementioned second stoste input aperture;
The 3rd standard film part is a ditrysian type standard film part, and it is provided with two third through-holes, and this two third through-hole is corresponding respectively to be positioned on the axis of the aforementioned first stoste input aperture and the second stoste input aperture;
The 4th standard film part is a monotrysian type standard film part, and it is provided with a fourth hole, and this fourth hole is positioned on the axis of the aforementioned first stoste input aperture;
In addition, the diaphragm-operated upper surface of this each standard film part is provided with outer shroud and interior ring, and aforementioned each through hole is on the zone between outer shroud and the interior ring.
As a kind of preferred version, be connected fixingly between said train wheel bridge and the lower plate through a plurality of bolts, these a plurality of bolts are distributed in the periphery of train wheel bridge, and these a plurality of screw bolt passes train wheel bridges are connected with the filtering membrane unit and with lower plate to be fixed.
As a kind of preferred version, the pallet of said each standard film part is provided with a plurality of aforementioned grooves, and these a plurality of grooves are that the center radially distributes with the middle part of pallet.
As a kind of preferred version, two aforementioned eccentric blocks are set on the transmission rod of said center, but each eccentric block up-down adjustment and rotatable adjusting be installed on the transmission rod of center.
As a kind of preferred version; Said eccentric block integral body is the semi-disc shape; This eccentric block is provided with the axis hole that confession center transmission rod passes, and this eccentric block is provided with two arc notch near the side of axis hole, is formed with an arc convex between this arc notch; This arc convex is provided with screw, and this screw is communicated with axis hole.
As a kind of preferred version, said casing includes upper casing and base, and the aforementioned films group is sealed closely to be wrapped in the upper casing, and aforementioned motor is installed in the base, is connected with a plurality of springs between this upper casing and the base.
As a kind of preferred version, be folded with snubber block between the outside wall surface of said motor and the inner-wall surface of base, and the bottom of this base further is provided with the wheel of adjustable height.
As a kind of preferred version, said fresh feed pump is a Non-blinding pump.
A kind of garbage filter liquid processing method, the step that comprises has
(1) percolate is imported the middle pond from collecting tank, and the percolate in the middle pond is removed ammonia nitrogen, anaerobic degradation and aerobic degradation treatment;
(2) utilize fresh feed pump that the percolate in the middle pond is pumped in the vibrations film nanofiltration device; And cooperation utilizes the motor drive to rotate through the eccentric block that belt is flexible coupling; The cf-that when the eccentric block high speed rotating, produces can cause the top of vibrations film nanofiltration device and wave; The energy that waves generation is sent on the transmission rod of center, makes this center transmission rod impel film group high-frequency vibration, thereby makes the percolate separation that pumps in the vibrations film nanofiltration device obtain clear liquid and dope; This clear liquid reaches first discharge standard and outwards discharges or be input in the RO pretreating device to handle again, and this dope is imported in the evaporation unit;
(3) utilize evaporation unit that the dope evaporation process is fallen.
The present invention compared with prior art has tangible advantage and beneficial effect, particularly, can be known by technique scheme:
One, utilizing the cf-of the eccentric block rotation generation on motor and the belt drive center transmission rod to cause through cooperation waves; The energy that waves generation impels the vibrations of film group through the center transmission rod; When the turn up of motor extremely shook the required frequency of environment altogether, the amplitude of film group vibrations reached to maximum, and the shearing force that high-frequency vibration produced is propagated with sinusoidal manner via the membrane surface in the film group; Thereby effectively solve the problem of silting up of film group interior diaphragm; Opposing film pollution capacity is stronger, has realized simply and effectively percolate being handled better processing effect; And; Cooperate and to utilize collecting tank, middle pond and evaporation unit to form recycling system, isolate clear liquid and dope with continuous and effective ground, the clear liquid qualified discharge perhaps can be used as the water inlet of RO pretreating device; Dope then falls through the evaporation unit evaporation process, reaches to subtract useless target.
Two, through utilizing the superimposed filtering membrane unit that forms together of the first standard film part, the second standard film part, the 3rd standard film part and the 4th standard film part; And cooperation utilizes the first standard film part and the 3rd standard film part to be monotrysian type standard film part for ditrysian type standard film part, this second standard film part and the 4th standard film part; Make dope S-type mobile in the film group; Thereby increased the effective filtration area of unit space upper diaphragm, can enlarge the processing power of percolate more simply.
Three, through be provided with former water input and clear liquid delivery port in train wheel bridge, form the design of water inlet, upper water-out with this, the bubble that the design of upper water-out makes vibrations film nanofiltration device in sepn process, produce is in time got rid of favourable protection diaphragm.
Four, through transmission rod is provided with two eccentric blocks in the center; But be arranged on the transmission rod of center with utilizing this two eccentric blocks up-down adjustment and rotatable adjusting, but make two its overlapping areas of eccentric block flexible, to reach the purpose of best vibration amplitude; Whole eccentric block is the semi-disc shape; And be provided with arc notch and arc convex in eccentric block, the eccentric force in the time of can strengthening high speed rotating reduces noise, keeps the stability of single rotating manner.
For more clearly setting forth constitutional features of the present invention and effect, come the present invention is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the principle of work synoptic diagram of the present invention's preferred embodiment;
Fig. 2 is the assembling perspective view of the casing of vibrations film nanofiltration device in the present invention's the preferred embodiment;
Fig. 3 is the assembling perspective view of the interior of vibrations film nanofiltration device in the present invention's the preferred embodiment;
Fig. 4 is the enlarged diagram of eccentric block in the present invention's the preferred embodiment;
Fig. 5 is the assembling schematic perspective view of film group in the present invention's the preferred embodiment;
Fig. 6 is the partial exploded view of film group in the present invention's the preferred embodiment;
Fig. 7 is the schematic cross-section of film group in the present invention's the preferred embodiment.
The accompanying drawing identifier declaration:
10, collecting tank 20, middle pond
30, vibrations film nanofiltration device 31, casing
311, upper casing 312, base
313, spring 314, wheel
32, film group 321, train wheel bridge
322, lower plate 323, water producing pipe
324, filtering membrane unit 3241, the first standard film part
3242, the second standard film part 3243, the 3rd standard film part
3244, the 4th standard film part 33, motor
34, center transmission rod 35, eccentric block
351, axis hole 352, arc notch
353, arc convex 354, screw
36, first flange 37, second flange
38, belt 39, snubber block
301, the first stoste input aperture 302, the second stoste input aperture
303, clear liquid delivery port 304, groove
305, dope delivery port 306, bolt
307, pallet 308, diaphragm
3011, groove 3012, first through hole
3013, second through hole 3014, third through-hole
3015, fourth hole 3016, outer shroud
3017, interior ring 40, evaporation unit.
Embodiment
Please referring to figs. 1 through shown in Figure 7, the concrete structure that it has demonstrated the present invention's preferred embodiment includes collecting tank 10, middle pond 20, vibrations film nanofiltration device (NF) 30 and evaporation unit 40.
Wherein, as shown in Figure 1, this collecting tank 10 is used to collect the percolate that landfill yard produces.
This pond, centre 20 is used for percolate is removed ammonia nitrogen, anaerobic degradation and aerobic degradation treatment; The input aperture in this pond, centre 20 is communicated with the delivery port of aforementioned collecting tank 10; After removing ammonia nitrogen, anaerobic degradation and aerobic degradation treatment; COD content in this percolate is 500～1000ppm, NH
3The content of-N is less than 1ppm, and SS content is about 100ppm.
This vibrations film nanofiltration device (NF) 30 is used for that percolate is carried out filtering separation and forms clear liquid and dope, and it includes casing 31 and is installed on the film group 32 and motor 33 in this casing 31.
Wherein, in the casing of sealing, move when this casing 31 makes the treating refuse percolate, noise is low, and is stable, protected operator's safety effectively; As shown in Figure 2, this casing 31 includes upper casing 311 and base 312; This upper casing 311 is spun glass steel matter; Upper casing 311 closely wraps aforementioned films group 32 is sealed; Significant sealing affection guarantees the stability of film group 32 in high-frequency vibration, and prevents the percolate outflow that the improper mishaies such as perforate membrane that cause of manual operation cause; The percolate that effectively dams is effectively ensured operator's safety; This motor 33 is installed in the base 312; And; Connect a plurality of springs 313 between this upper casing 311 and the base 312; Utilize these a plurality of springs 313 with upper casing 311 be supported in base 312 directly over, both that film group 32 is fixing with this, guarantee the equilibrium conditions of vibrations film nanofiltration device (NF) 30 operations; Can separate with immobilized base 312 well again, reach the purpose of damping; In addition; The bottom of this base 312 further is provided with the adjustable wheel 314 of height, and the stability of the movability that this wheel 314 is used to provide this vibrations film nanofiltration device (NF) 30 when operating is after having selected placement location; The gear-like of twisting wheel 314 central authorities is regulated the fixing feet of pulling wheel 314 and is unloaded; Utilize horizontal reference point on the support of wheel 314 to measure casing 31 then and whether reached,, vibrations film nanofiltration device (NF) 30 are reached to horizontality through the wheel 314 of this adjustable height to level; Guarantee vibrations film nanofiltration device (NF) 30 normal operation in the overclocking vibrations, and adapted to more complex installation running environment.
As shown in Figure 3, this film group 32 is extended downwards has center transmission rod 34, and this center transmission rod 34 is used to drive 32 vibrations of film group; Than other sewage vibrations separating devices, the center transmission rod 34 among the present invention is shorter, and selects the H.T. steel for use; Make vibrations pass to film group 32 rapidly; Strengthened its operation usefulness, guaranteed that film group 32 high-frequency vibrations require and security of system, outstanding to the separating effect of percolate.The lower end of this center transmission rod 34 is provided with the eccentric block 35 and first flange 36.In the present embodiment, this center transmission rod 34 is provided with two eccentric blocks 35, but each eccentric block 35 up-down adjustment and rotatable adjusting ground; As shown in Figure 4, each eccentric block 35 is the semi-disc shape, and this eccentric block 35 is provided with the axis hole 351 that confession center transmission rod 34 passes; This eccentric block 35 is provided with two arc notch 352 near the side of axis hole 351, is formed with an arc convex 353 between this two arc notch 352, and this arc convex 353 is provided with screw 354; This screw 354 is communicated with axis hole 351, through center transmission rod 34 is passed axis hole 351, utilizes screw to pass screw 354 eccentric block 35 firmly is fixed on the center transmission rod 34; But make two eccentric blocks its overlapping area of 35 flexible and relative height with this; Reaching the purpose of best vibration amplitude, and, utilize arc notch 352 and arc convex 353 because whole eccentric block 35 is the semi-disc shape; Eccentric block 35 in the time of can strengthening high speed rotating reduces noise, keeps the stability of single rotating manner; In addition, in the process of treating refuse percolate, the vibrating effect of single eccentric block 35 can't satisfy the separation requirement of overclocking vibration membrane with common electric machine; And use more powerful motor just to mean that also quality is bigger, and need the energy of consumption also more, the present invention is in order to improve capacity usage ratio; Increase the high-frequency vibration frequency; Use two eccentric blocks 35 independently to be installed on the center transmission rod 34, and can carry out manual regulation, through the relative position variation of two eccentric blocks 35 and the VFC of motor 33 it; Significantly improved the vibration frequency of vibrations film nanofiltration device (NF) 30; Film group 32 is discharged dope rapidly to the percolate filtering separation time, avoid the alluvial and the obstruction of fenestra, through a series of actual verification; Reach the method for vibration frequency among the present invention than simple raising motor rotary speed, aspect energy consumption, reduce electricity consumption 45%～55% than general technology; Simultaneously, this technology can effectively reduce motor 33 wearing and tearing, reduces the heating of motor 33, and improved more than 30% the work-ing life of motor 33.This first flange 36 is positioned at the below of aforementioned two eccentric blocks 35.
This motor 33 is positioned at the below of film group 32; The output terminal of motor 33 is provided with second flange 37; This second flange 37 is flexible coupling through the belt 38 and first flange 36, and the outside wall surface of this motor 33 is provided with snubber block 39, when being installed on motor 33 in the base 312; This snubber block 39 is clamped between the inner-wall surface of motor 33 outside wall surface and base 312, to play cushioning effect.This motor 33 is the motor of variable frequency; It mainly acts on is to excite vibrations; When high speed rotating; Eccentric block 35 on the motor 33 drive center transmission rods 34 rotates the cf-that produces can cause waving of vibrations film nanofiltration device (NF) 30 tops, and the energy that waves generation impels 32 vibrations of film group through center transmission rod 34.When the turn up of motor 33 extremely shakes the required frequency of environment altogether; The amplitude of film group 32 vibrations can reach to maximum; Continue to increase the opposite amplitude that only can reduce 32 vibrations of film group of rotating speed of motor 33, generally speaking, operation can be under the peak of vibration amplitude; To reduce the pulling force that center transmission rod 34 is born, ensure the work-ing life of center transmission rod 34.
To shown in Figure 7, this film group 32 includes train wheel bridge 321, lower plate 322, water producing pipe 323 and at least one filtering membrane unit 324 that is fixedly clamped between train wheel bridge 321 and lower plate 322 like Fig. 5; This train wheel bridge 321 is provided with one first stoste input aperture 301, one second stoste input aperture 302 and a clear liquid delivery port 303, and this first stoste input aperture 301 and the second stoste input aperture 302 are mutually symmetrical and are arranged at outside the two relative side of clear liquid delivery port 303, and the stoste input aperture that forms vibrations film nanofiltration device (NF) 30 is converged in this first stoste input aperture 301 and the second stoste input aperture 302; The delivery port in pond 20 is communicated with the stoste input aperture that should shake film nanofiltration device (NF) 30 through fresh feed pump in the middle of aforementioned, and this fresh feed pump is selected Non-blinding pump for use, and they can be through the dirt and the foreign material of bigger particle diameter; Avoid problems such as cavitation damage and water; For operator bring great convenience, and vibratory noise is little, and electric machine temperature rise is low; Continuous operation time is long; Smooth performance, environmentally safe, simultaneously; Big, the Operation and maintenance easily of this fresh feed pump flow, this fresh feed pump is equipped with the motor of one two horsepower; This water producing pipe 323 is fixedly clamped between train wheel bridge 321 and lower plate 322; The lower end of water producing pipe 323 is airtight; The upper end of water producing pipe 323 is communicated with this clear liquid delivery port 303; And the wall of this water producing pipe 323 offers the groove 304 that is communicated with water producing pipe 323 inside, and this clear liquid delivery port 303 is communicated with extraneous or outside RO pretreating devices; This lower plate 322 is provided with two dope delivery ports 305; This two dopes delivery port 305 is corresponding respectively to be positioned on the axis of the aforementioned first stoste input aperture 301 and the second stoste input aperture 302; This two dopes delivery port 305 converges the dope delivery port that forms film group 32; The dope delivery port of this film group 32 is communicated with the input aperture of aforementioned evaporation device 40, utilizes this evaporation unit 40 can dope be disposed; And; Be connected fixingly between this train wheel bridge 321 and the lower plate 322 through a plurality of bolts 306, these a plurality of bolts 306 are distributed in the periphery of train wheel bridge 321, and these a plurality of bolts 306 pass train wheel bridge 321 successively and are connected with filtering membrane unit 324 and with lower plate 322 and fix; Elder generation is tightened to 35 pounds earlier with the bolt 306 of the train wheel bridge 321 of film group 32 in use; Be tightened to 45 pounds again, more large-scale mother Luo in the center on the clamping plate 321 on the film group 32 tightened up, the scheduling of tightening up operation is the 1st hour of bringing into use; Carried out in the 4th hour, the 8th hour and the 24th hour; This tightens up operation and then carries out on demand afterwards, guarantees the efficient stable property of film group 32 separating of garbage percolate under the overclocking vibrations through closely knit like this structure, and makes things convenient for the replacing of filtering membrane unit 324.
This filtering membrane unit 324 includes the superimposed from lower to upper first standard film part 3241, the second standard film part 3242, the 3rd standard film part 3243 and the 4th standard film part 3244 together; Each standard film part is plates and being set in outside the water producing pipe 323 ringwise all; Each standard film part has included pallet 307 and diaphragm 308; This diaphragm 308 is folded in the upper surface of pallet 307; The periphery inboard on surface is provided with groove 3011 on this pallet 307; This groove 3011 through the groove 304 of aforementioned water producing pipe 323 with water producing pipe 323 internal communication, the pallet 307 of each standard film part is provided with a plurality of forward recess 3011, these a plurality of grooves 3011 are that the center radially distributes with the middle part of pallet 307; This first standard film part 3241 is a ditrysian type standard film part, and it is provided with two first through holes 3012, and this two first through hole 3012 is corresponding respectively to be positioned on the axis of the aforementioned first stoste input aperture 301 and the second stoste input aperture 302; This second standard film part 3242 is a monotrysian type standard film part, and it is provided with one second through hole 3013, and this second through hole 3013 is positioned on the axis of the aforementioned second stoste input aperture 302; The 3rd standard film part 3243 is a ditrysian type standard film part, and it is provided with two third through-holes 3014, and this two third through-hole 3014 is corresponding respectively to be positioned on the axis of the aforementioned first stoste input aperture 301 and the second stoste input aperture 302; The 4th standard film part 3244 is a monotrysian type standard film part, and it is provided with a fourth hole 3015, and this fourth hole 3015 is positioned on the axis of the aforementioned first stoste input aperture 301; In addition; The upper surface of the diaphragm 308 of this each standard film part is provided with outer shroud 3016 and interior ring 3017, and this outer shroud 3016 is sealing-ring with interior ring 3017, utilizes outer shroud 3016 to guarantee the sealing effectiveness of film group 32; Also can avoid the injury of dope outflow to operator; Utilize and should can dope and clear liquid be separated by interior ring 3017, prevent that clear liquid from receiving secondary pollution, aforementioned each through hole is on the zone between outer shroud 3016 and the interior ring 3017.
And, further including the master control system (not shown), this master control system comprises power controling box, pressure sensitive device, visualized operation system and data logging system.Power controling box with start and decommission, amplitude of vibration adjusting, temperature detection device, the control of dope valve auto-switch time, feed pressure control and warning system.According to the outer assembly of the optional quota of the needs of different industrial conditions: the device of pressure-controlling, clear liquid flow control, control feeding temperature and system data self-recording unit etc.Whole power controling box compact construction; The operation of visualization display such as temperature, pressure, flow, System Operation time, integral layout had both met aesthetic requirement, handled easily management again; And design warning and scram button; Special-purpose key is installed, is avoided the improper operation of non-technical personnel, operation of assurance system and personnel's safety.Simultaneously, the joint that also has power supply and connection transmitter in the cabinet back side and the bottom of master control system, the operation of system visually.When spying out the vibrating motor unit any mistake is arranged, system is shut-down operation immediately just, and on fluorescent screen, shows the numbering that makes a mistake.As long as with reference to the message of wrong numbering representative, just can learn the reason of problem, the operation of after dealing with problems, can starting shooting again.If the fresh feed pump motor load is overweight, motor starter can stop motor operated automatically, can restart by restarting button.
Usefulness of the present invention only by two independently controlled variable control: shearing and pressure.Shearing is to produce through vibration membrane group 32, can use the amplitude of vibration adjusting on control panel to pull, and regulates the amplitude of vibrations, controls the size of vibration amplitude through the speed of motor 33 rotations.Pressure is the power from fresh feed pump.Although shearing and pressure are two independently controlled variable, make system performance its powerful performance and normal running, both are indispensable.Will be easily and operate native system reliably, it is to keep it in mind that an emphasis is arranged, and when shaking exactly pressure must be arranged simultaneously, and must shake simultaneously when pressure is arranged.When these vibrations film nanofiltration device (NF) 30 vibrations; Film group 32 diaphragm 308 inside needs certain pressure in vibrations, also can keep the home position; Do not have pressure if having only vibrations, may cause diaphragm 308 breakages like this, lost filtering effect.On the contrary, moving if system has only feed liquor not arrhea under the situation that does not have vibrations, keep one period very short time only; Because lacked the words of vibrations; When feedstock solution was flowed through diaphragm 308 surface, the material of failing to pass diaphragm 308 can stop and be accumulated on the surface of diaphragm 308, micropore on the diaphragm 308 is caused silt up; The speed that these barriers form is very fast, can make diaphragm 308 lose its usefulness between very short.Thus, the system is note the following: When the system operating pressure of less than 30psi, the system prohibits vibration; vibration amplitude when the system is less than 1/4 inch, the pressure in the environment must not operate longer than 20 seconds; when the first operating system, when it comes to water for the first test, the cleaning, the use of water in the case of very low pressure cleaning systems, and components within the system should be cleaned every one.
The working process that present embodiment is detailed is following:
(1) percolate being imported the middle pond 20 from collecting tank 10, and the percolate in the middle pond 20 is removed ammonia nitrogen, anaerobic degradation and aerobic degradation treatment, is 500～1000ppm with its COD content of this percolate that obtains, NH
3The content of-N is less than 1ppm, and SS content is about 100ppm.
(2) the use of the feed pump in the intermediate tank 20 is pumped leachate nanofiltration membrane vibration means (NF) 30, the leachate is divided into two liquid from the first input port 301 and the second input port 302 liquid input to the film set of 32, while the rotation of the motor 33 and drive belt 38 through the flexible connection of the rotating eccentric block 35, the eccentric block 35 rotates at high speed centrifugal force generated can cause shock membrane nanofiltration device (NF) 30 Upper Swing , rocking generated energy to the center drive rod 34, to promote the transmission rod 34 in the center of the film on the group of 32 high-frequency vibration, the vibration generated by the shearing force to a sinusoidal surface of the diaphragm 308 to spread, although feed pressure via feed pump constantly pumped into the membrane leachate generated within the group of 32, but the shear force on the diaphragm 308 to the surface while staying concentrated liquid from solids discharge outlet 305 is not deposited on the surface of the diaphragm 308 on, so that the high pressure in the system base on environment, the continuous and effective separation of the 80% and 20% of concentrated supernatant fluid.20% dope inputs in the evaporation unit 40 through the dope trunnion of film group 32 belows, and simultaneously, 80% clear liquid extrudes from water producing pipe 323, and COD content is less than 40ppm, NH in this clear liquid of 80%
3The content of-N is less than 1ppm, and SS content is 1ppm or following, can reach first discharge standard and discharge to the external world, the water inlet of perhaps handling as RO in the RO pretreating device of input.
And percolate flows at the upper surface of the diaphragm 308 of each standard film part, and clear liquid sees through diaphragm 308 and flows in the groove 3011 of pallet 307 upper surfaces, and flows in the water producing pipe 323, to obtain clear liquid through groove 304; And under the percolate of the diaphragm 308 upper surfaces through hole through aforementioned correspondence flows into, filter on the diaphragm 308 of the standard film part of one deck; Thus; Flowing of dope just had certain direction, and whole film group 32 is according to aforementioned sequential cascade, and dope just is flowing of " S " type; Increased the effective filtration area of unit space upper diaphragm, to enlarge processing power more simply.And percolate contacts with diaphragm 308 always in whole flow process, and clear liquid is flowed out by train wheel bridge 321 from diaphragm 308 intermediary water producing pipes 323, and dope is separated to come, and discharges from the dope delivery port 305 of film group 32 sides; Because whole film group 32 compact constructions, the pressure-losses is little, and clear liquid and dope need not to pressurize again and can discharge, for energy consumption has been saved in the separation of percolate greatly.
(3) start evaporation unit 40, utilize the dope evaporation process that evaporation unit 40 will shake film nanofiltration device (NF) 30 generations to fall.
Design focal point of the present invention is: at first; Utilize the cf-of the eccentric block rotation generation on motor and the belt drive center transmission rod to cause through cooperation and wave, the energy that waves generation impels the vibrations of film group through the center transmission rod, when the turn up of motor extremely shakes the required frequency of environment altogether; The amplitude of film group vibrations reaches to maximum; The shearing force that high-frequency vibration produced is propagated with sinusoidal manner via the membrane surface in the film group, thereby effectively solves the problem of silting up of film group interior diaphragm, and opposing film pollution capacity is stronger; Realized simply and effectively percolate being handled better processing effect; And; Cooperate and to utilize collecting tank, middle pond and evaporation unit to form recycling system, isolate clear liquid and dope with continuous and effective ground, the clear liquid qualified discharge perhaps can be used as the water inlet of RO pretreating device; Dope then falls through the evaporation unit evaporation process, reaches to subtract useless target.Secondly; Through utilizing the superimposed filtering membrane unit that forms together of the first standard film part, the second standard film part, the 3rd standard film part and the 4th standard film part; And cooperation utilizes the first standard film part and the 3rd standard film part to be monotrysian type standard film part for ditrysian type standard film part, this second standard film part and the 4th standard film part; Make dope S-type mobile in the film group, thereby increased the effective filtration area of unit space upper diaphragm, can enlarge the processing power of percolate more simply.Moreover, through be provided with former water input and clear liquid delivery port in train wheel bridge, forming the design of water inlet, upper water-out with this, the bubble that the design of upper water-out makes vibrations film nanofiltration device in sepn process, produce is in time got rid of favourable protection diaphragm.At last, through transmission rod is provided with two eccentric blocks in the center, but be arranged on the transmission rod of center with utilizing this two eccentric blocks up-down adjustment and rotatable adjusting; But make two its overlapping areas of eccentric block flexible; To reach the purpose of best vibration amplitude, whole eccentric block is the semi-disc shape, and is provided with arc notch and arc convex in eccentric block; Eccentric force in the time of can strengthening high speed rotating reduces noise, keeps the stability of single rotating manner.
The above; It only is preferred embodiment of the present invention; Be not that technical scope of the present invention is done any restriction, so every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention any trickle modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. a garbage percolation liquid treating system is characterized in that: include collecting tank, middle pond, vibrations film nanofiltration device and evaporation unit; Wherein
This collecting tank is used to collect percolate;
This pond, centre is used for percolate is removed ammonia nitrogen, anaerobic degradation and aerobic degradation treatment, and the input aperture in this pond, centre is communicated with the delivery port of aforementioned collecting tank;
This vibrations film nanofiltration device is used for that percolate is carried out filtering separation and forms clear liquid and dope, and this vibrations film nanofiltration device includes casing and is installed on film group and the motor in the casing; This film group has stoste input aperture, clear liquid delivery port and dope delivery port; The delivery port in pond is communicated with this stoste input aperture through fresh feed pump in the middle of aforementioned, and this clear liquid delivery port is communicated with extraneous or outside RO pretreating device; This film group is extended the center transmission rod that is useful on the vibrations of drive film group downwards, and the lower end of this center transmission rod is provided with the eccentric block and first flange, and this first flange is positioned at the below of eccentric block; This motor is positioned at the below of film group, and the output terminal of this motor is provided with second flange, and this second flange is flexible coupling through the belt and first flange;
This evaporation unit is used for dope is carried out evaporation process, and the input aperture of evaporation unit is communicated with aforementioned dope delivery port.
2. garbage percolation liquid treating system according to claim 1 is characterized in that: said film group includes train wheel bridge, lower plate, water producing pipe and at least one filtering membrane unit that is fixedly clamped between train wheel bridge and lower plate;
This train wheel bridge is provided with two aforementioned stoste input apertures and an aforementioned clear liquid delivery port; This two stoste input aperture is respectively the first stoste input aperture and the second stoste input aperture; This first stoste input aperture and the second stoste input aperture are mutually symmetrical and are arranged at outside the two relative side of clear liquid delivery port; This water producing pipe is fixedly clamped between train wheel bridge and lower plate, and the lower end of water producing pipe is airtight, and the upper end of water producing pipe is communicated with this clear liquid delivery port;
This lower plate is provided with two aforementioned dope delivery ports, and this two dopes delivery port is corresponding respectively to be positioned on the axis of the aforementioned first stoste input aperture and the second stoste input aperture;
This filtering membrane unit includes the superimposed from lower to upper first standard film part, the second standard film part, the 3rd standard film part and the 4th standard film part together; Each standard film part is plates and being set in outside the water producing pipe ringwise all, and each standard film part has included pallet and diaphragm, and this diaphragm is folded the upper surface in pallet, and the periphery inboard on surface is provided with groove, this groove and water producing pipe internal communication on this pallet;
This first standard film part is a ditrysian type standard film part, and it is provided with two first through holes, and this two first through hole is corresponding respectively to be positioned on the axis of the aforementioned first stoste input aperture and the second stoste input aperture;
This second standard film part is a monotrysian type standard film part, and it is provided with one second through hole, and this second through hole is positioned on the axis of the aforementioned second stoste input aperture;
The 3rd standard film part is a ditrysian type standard film part, and it is provided with two third through-holes, and this two third through-hole is corresponding respectively to be positioned on the axis of the aforementioned first stoste input aperture and the second stoste input aperture;
The 4th standard film part is a monotrysian type standard film part, and it is provided with a fourth hole, and this fourth hole is positioned on the axis of the aforementioned first stoste input aperture;
In addition, the diaphragm-operated upper surface of this each standard film part is provided with outer shroud and interior ring, and aforementioned each through hole is on the zone between outer shroud and the interior ring.
3. garbage percolation liquid treating system according to claim 2; It is characterized in that: be connected fixing between said train wheel bridge and the lower plate through a plurality of bolts; These a plurality of bolts are distributed in the periphery of train wheel bridge, and these a plurality of screw bolt passes train wheel bridges are connected fixing with the filtering membrane unit and with lower plate.
4. garbage percolation liquid treating system according to claim 2 is characterized in that: the pallet of said each standard film part is provided with a plurality of aforementioned grooves, and these a plurality of grooves are that the center radially distributes with the middle part of pallet.
5. garbage percolation liquid treating system according to claim 1 is characterized in that: two aforementioned eccentric blocks are set on the transmission rod of said center, but each eccentric block up-down adjustment and rotatable adjusting be installed on the transmission rod of center.
6. garbage percolation liquid treating system according to claim 1; It is characterized in that: said eccentric block integral body is the semi-disc shape; This eccentric block is provided with the axis hole that confession center transmission rod passes, and this eccentric block is provided with two arc notch near the side of axis hole, is formed with an arc convex between this arc notch; This arc convex is provided with screw, and this screw is communicated with axis hole.
7. garbage percolation liquid treating system according to claim 1; It is characterized in that: said casing includes upper casing and base; The aforementioned films group is sealed closely to be wrapped in the upper casing, and aforementioned motor is installed in the base, is connected with a plurality of springs between this upper casing and the base.
8. garbage percolation liquid treating system according to claim 7 is characterized in that: be folded with snubber block between the outside wall surface of said motor and the inner-wall surface of base, and the bottom of this base further is provided with the wheel of adjustable height.
9. garbage percolation liquid treating system according to claim 1 is characterized in that: said fresh feed pump is a Non-blinding pump.
10. garbage filter liquid processing method, it is characterized in that: the step that comprises has
(1) percolate is imported the middle pond from collecting tank, and the percolate in the middle pond is removed ammonia nitrogen, anaerobic degradation and aerobic degradation treatment;
(2) utilize fresh feed pump that the percolate in the middle pond is pumped in the vibrations film nanofiltration device; And cooperation utilizes the motor drive to rotate through the eccentric block that belt is flexible coupling; The cf-that when the eccentric block high speed rotating, produces can cause the top of vibrations film nanofiltration device and wave; The energy that waves generation is sent on the transmission rod of center, makes this center transmission rod impel film group high-frequency vibration, thereby makes the percolate separation that pumps in the vibrations film nanofiltration device obtain clear liquid and dope; This clear liquid reaches first discharge standard and outwards discharges or be input in the RO pretreating device to handle again, and this dope is imported in the evaporation unit;
(3) utilize evaporation unit that the dope evaporation process is fallen.
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| CN 201110299437 CN102381813B (en) | 2011-10-09 | 2011-10-09 | System and method for processing rubbish percolate |
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