CN102020403B - Sludge purification treatment method and device - Google Patents
Sludge purification treatment method and device Download PDFInfo
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- CN102020403B CN102020403B CN200910173069.3A CN200910173069A CN102020403B CN 102020403 B CN102020403 B CN 102020403B CN 200910173069 A CN200910173069 A CN 200910173069A CN 102020403 B CN102020403 B CN 102020403B
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- 239000010802 sludge Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000000746 purification Methods 0.000 title claims abstract description 16
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 130
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 239000013049 sediment Substances 0.000 claims abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 238000004140 cleaning Methods 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 13
- 238000006297 dehydration reaction Methods 0.000 claims description 11
- 230000018044 dehydration Effects 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 239000011343 solid material Substances 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 208000005156 Dehydration Diseases 0.000 description 10
- 230000002146 bilateral effect Effects 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The invention provides a sludge purification treatment method and a sludge purification treatment device capable of directly performing purification treatment on raw sludge. The sludge purification treatment method comprises the following steps of: introducing the collected raw sludge into a treatment tank; collecting thick debris and other garbage from a screen on the upper part of the treatment tank and taking the debris and the like out; and taking garbage which floats on the surface of the sludge and is low in specific gravity out of the upper part of the treatment tank, and taking sediments which are deposited on the lower part of the treatment tank and are high in specific gravity out of the bottom of the treatment tank. The sludge purification treatment device comprises the treatment tank for accommodating the introduced raw sludge, the screen arranged on the upper part of the treatment tank, a garbage taking-out mechanism which is arranged on the upper part of the treatment tank and is used for taking out the garbage which floats on the surface of the sludge and is low in specific gravity, and a sediment taking-out mechanism which is arranged at the bottom of the treatment tank and is used for taking out the sediments which are deposited on the lower part of the treatment tank and are high in specific gravity.
Description
Technical field
The present invention relates to sludge purification treatment method and device thereof that mud to obtaining because of a variety of causes carries out purifying treatment, relate in particular to the sludge purification treatment method and the device thereof that resulting mud in dredging gulf, lake port, river or in administering the process in lake, river are carried out to purifying treatment.
Background technology
In order to make the depth of water in gulf, lake port, river deepen to dredge gulf, lake port, river, in order to improve the water quality of lake water systems, need to administer lake, river.In the process in dredging gulf, lake port, river or improvement lake, river, will obtain a large amount of mud (raw sludge).These raw sludges are except containing silt, the inorganic hard thing that is also mixed with a large amount of organic wastes and differs in size.If these raw sludges are deposited in to land, because of rotten the stinking and contaminate environment air of oxidative fermentation of a large amount of organic wastes; If these raw sludges are poured into other Wan Huo ocean, lake port, river, only mud removal of home, wants equally contaminate environment and affects water quality.Therefore, from the angle of environment protection, consider, tackle these raw sludges and carry out purifying treatment.
In the past, as general silt, rubbish, clean tripping device and have all.For example, the disclosed device of patent documentation 1-Japanese kokai publication hei 4-322756 communique is exactly one of them.This washing unit is provided with and the cleaning cylinder rotating together with this out cylinder in rotating the out cylinder that crossbearer freely.And outlet one side at this cleaning cylinder is provided with separated filter screen, and be provided with in outlet one side of this out cylinder the dehydration filter screen cylinder rotating together with out cylinder.
Therefore,, if drop into silt and rubbish from cleaning distolateral (inlet side) of cylinder, this silt and rubbish clean the rotation stirring of cylinder and are washed by rubbing with the hands by following, thereby the dirt settlings such as fouling product that are attached on silt and rubbish are stripped from.The dirt settling that the particle that is stripped from is tiny and the silt of being cleaned, were discharged after bottom by interior week of being arranged at the separated filter screen of the other end (exit end) that cleans cylinder and being deposited to out cylinder outside this out cylinder.In addition, rubbish is discharged in dehydration filter screen cylinder.Then, the rubbish in this dehydration filter screen cylinder is rinsed water clean after, from the exit end of this dehydration filter screen cylinder, discharge.
Yet the structure of this class device itself is only suitable in processing pretreated mud, and is not suitable for directly processing resulting raw sludge in the process in dredging gulf, lake port, river or improvement lake, river.Because raw sludge except containing silt, is also mixed with many solid materials that differ in size, especially thick adamant (masonry metal sundries etc.).The adamant thick to these, these devices not only can not be processed, and also likely cause the fault (for example stopping up) of device even to be damaged.
Summary of the invention
So object of the present invention is just to address the above problem, a kind of method and the device thereof that can directly process raw sludge is provided, thus protection of the environment.
Sludge purification treatment method of the present invention comprises the following steps: the mud that the raw sludge of collecting is imported in treatment trough imports step; The rubbish of thick rubble and so on is collected to the step of taking out from being arranged on the screen cloth on above-mentioned treatment trough top; The rubbish surperficial, that proportion is little that floats over above-mentioned mud is taken out from above-mentioned treatment trough top, and the rubbish silt that the heavy silt that is deposited on above-mentioned treatment trough bottom is taken out from treatment trough bottom takes out step.
In addition, can also comprise the above-mentioned above-mentioned silt taking out from treatment trough bottom is imported to washing unit, the silt cleaning step in this washing unit, it being cleaned.
Have again, can also comprise the little rubbish of the above-mentioned proportion taking out from above-mentioned treatment trough top is imported to the garbage dewatering step that dewatering device dewaters;
When above-mentioned cleaning silt, can also comprise the silt cleaning step that makes rubbish separated with silt.
In addition, can also be included in the step of the water of 5-15 times of the weight of adding above-mentioned raw sludge in above-mentioned treatment trough.
Water ratio after preferred above-mentioned garbage dewatering is 65-75%.
Preferred above-mentioned processing water is directly used river lake water or recycled water.
Sludge purifying treatment device of the present invention comprises: for holding the treatment trough of the raw sludge of importing; Be arranged at the top of above-mentioned treatment trough, in order to remove the screen cloth of thick solid material; The rubbish unloading device of rubbish taking-up above-mentioned Sludge Surface, that proportion is little is arranged at the top of above-mentioned treatment trough, for will be floated over; Be arranged at the bottom of above-mentioned treatment trough, for the silt unloading device that the heavy silt that is deposited on above-mentioned treatment trough bottom is taken out.
In addition, in the inside of above-mentioned treatment trough, be provided with whipping appts.
Have, sludge purifying treatment device can also comprise again: the silt transfer mechanism that the silt taking out by above-mentioned silt unloading device is carried; And the downstream side that is connected to above-mentioned silt transfer mechanism, for the silt wiper mechanism that above-mentioned heavy silt is cleaned.
Preferred above-mentioned screen cloth is that mesh is the screen cloth of 50-100mm.
In addition, above-mentioned treatment trough is provided with for supplying with the water supply installation of the water that cleans raw sludge.
Have, sludge purifying treatment device can also comprise again: the garbage conveyor structure that the rubbish taking out by above-mentioned rubbish unloading device is carried; And the downstream side that is connected to above-mentioned garbage conveyor structure, for the garbage dewatering mechanism that the little rubbish of above-mentioned proportion is dewatered.
Preferred above-mentioned silt wiper mechanism is provided with the separation mechanism that utilizes difference in specific gravity separating of garbage and silt.
Above-mentioned treatment trough and the water supply installation, rubbish unloading device and the silt unloading device that are arranged on this treatment trough are all set up in parallel two covers.
Preferably in the upstream of above-mentioned silt wiper mechanism, part flow arrangement is set.
Effect of the present invention is; can directly process resulting raw sludge in the process in dredging gulf, lake port, river or improvement lake, river, remove larger-size solid material, and silt is carried out separated with rubbish; thereby silt is cleaned to recycling, be conducive to protection of the environment.Meanwhile, can reduce rear operation and silt be carried out to the size of the silt cleaning machine of secondary fine purifiation.
Accompanying drawing explanation
Fig. 1 is for the sludge purification treatment method of embodiment of the present invention and the schema of device thereof are described.
Fig. 2 means the longitudinal section of the silt wiper mechanism in the sludge purifying treatment device of present embodiment.
Fig. 3 means the side-view of the part flow arrangement in the sludge purifying treatment device of present embodiment.
Fig. 4 means the longitudinal section of the garbage dewatering mechanism in the sludge purifying treatment device of present embodiment.
In figure:
1-treatment trough, 101-agitator, 2-rubbish unloading device, 3-silt unloading device, 4-silt injection mechanism, 5-part flow arrangement (bilateral control door), 501-door-plate, 502-short link chain, 6-silt wiper mechanism (twin-roll rotary washer), 601-out cylinder, 610-dehydration filter screen cylinder, 620-cleans cylinder, 620a-cleaning part, 620b-separated part, the separated filter screen of 630-, 7-silt transfer mechanism, 8-goes out sand material bucket, 9-1 garbage conveyor structure, 10-2 garbage conveyor structure, 11-garbage dewatering mechanism (spiral dryer), 111-spiral and axle, 112-perforated conical drum, 113-garbage inlet, 1117-waste liquid tank, 1121-garbage outlet, 12-rubbish hopper, 13-wet-pit, 14-truck.
Embodiment
Sludge purification treatment method and the device thereof of embodiment of the present invention are described below with reference to the accompanying drawings.
Fig. 1 is for the sludge purification treatment method of embodiment of the present invention and the schema of device thereof are described.
With truck 14 by dredging gulf, lake port, river or administer the raw sludge that lake, river obtains and be poured in treatment trough 1.With river lake water or recycled water, truck 14 is rinsed on one side, thereby add water to treatment trough 1, raw sludge is diluted, with agitator 101 it stirred and silt carried out to pre-washing on one side, make silt separated with the dirt and the rubbish that are attached on silt.The silt (rule of thumb its proportion is about 1.2) that proportion is greater than water is just deposited on the bottom for the treatment of trough 1 gradually, and proportion is less than the surface that the rubbish of water just floats over water.
In the present embodiment, treatment trough 1 use steel plate is made pyramid, and its capacity is 14m
3, it cleans the water yield is 70m
3/ h, the motor power (output) of agitator 101 use is 5.5kW.Mesh diameter is housed for for example screen cloth of 50-100mm on the top for the treatment of trough 1, thereby make the larger-size solid material containing in raw sludge, especially the rubbish of the adamant of those thick rubble metals and so on becomes screen overflow and at an easy rate its collection is removed.
When raw sludge being carried out to thin up stirring, its amount of water is generally 5-10 times of input raw sludge amount, can determine and adjust according to the proterties of the silts such as the water content of raw sludge, viscosity.
The upper angled for the treatment of trough 1 the rubbish unloading device 2 for the less refuse collection of the surperficial proportion that floats over water is taken out is housed.The end portion of this rubbish unloading device 2 is positioned under the water surface for the treatment of trough 1.In the present embodiment, this rubbish unloading device 2 drags for formula mesh screen on adopting automatically, and its transport capacity is 80m
3/ h.
On the bottom angled face for the treatment of trough 1, silt unloading device 3 is housed, for the larger silt of proportion that is deposited on the bottom for the treatment of trough 1 is taken out.In the present embodiment, this silt unloading device 3 adopts tilted spiral transfer roller, and its lower ending opening also communicates with the bottom for the treatment of trough 1, and its transport capacity is 3m
3/ h.
The load of considering above equipment is larger, likely break down and carry out necessary maintenance, thereby treatment trough 1 and dress water supply installation, agitator 101, rubbish unloading device 2 and silt unloading device 3 thereon all arranges two covers and connects side by side.
That by silt unloading device 3, is taken out puts into quantitatively and in silt wiper mechanism 6, carries out last fine purifiation with silt injection mechanism 4 through prewashed silt.In the present embodiment, this silt injection mechanism 4 adopts the anxious formula rotary conveyor that inclines, and the lift of this machine is 8500mm, and its operational throughput is 3m
3more than/h.
Silt wiper mechanism 6, for carrying out last fine purifiation to carrying out prewashed silt through pretreatment tank 1, is removed dirt and the rubbish that is attached to silt surface more up hill and dale.After fine purifiation, silt, rubbish are given to separation, and silt, rubbish and waste water are discharged from different outlets respectively.In the present embodiment, this silt wiper mechanism 6 adopts twin-roll rotary washer, and the input amount of its silt is 3m
3/ h, the cleaning water yield is 18m
3/ h.
Silt wiper mechanism 6 and treatment trough 1 are two major equipments that silt is cleaned.The latter carries out pre-washing to silt, and the former carries out last fine purifiation to silt, thereby reach, raw sludge is processed, with protection of the environment object that silt is recycled.For this reason, at this, silt wiper mechanism 6 is slightly described in detail.
Fig. 2 means the longitudinal section of the silt wiper mechanism 6 in the sludge purifying treatment device of present embodiment.In the present embodiment, silt wiper mechanism 6 adopts twin-roll rotary washer.
The overall structure of twin-roll rotary washer 6 is, periphery in out cylinder 601 is fixed with cover tire 602a, 602b and sprocket wheel 604, it is upper that out cylinder 601 is erected at running roller 603a, 603b freely by means of cover tire 602a, 602b rotation, by not shown chain-driving out cylinder 601 rotations on sprocket wheel 604 that are stretched in.Left end in out cylinder 601 has end plate 607, and the central authorities of end plate 607 have opening 605, and side is provided with the blade 606 of strike-ofing within it.Right-hand member in out cylinder 601 is provided with the end plate 609 in central authorities with opening 608.In the outside of this end plate 609, be provided with rinse bath 610 '.The diameter that is arranged at the opening 608 on end plate 609 is larger than the opening 605 being arranged on end plate 607.Therefore, the water level in out cylinder 601 is controlled by the edge 608 ' institute of opening 608.
In out cylinder 601, there is the cylinder 620 of cleaning, its diameter is less than out cylinder 601, and its length is about 2/3 left and right of out cylinder 601, utilizes many support components 621, the concentric shape of 621...... and is fixed on the left side in out cylinder 601.Left end at this cleaning cylinder 620 is formed with cleaning part 620a.At the right-hand member that cleans cylinder 620, be formed with desilting filter screen (separated part) 620b.On the right side of separated part 620b, be provided with separated filter screen 630, on the right side of separated filter screen 630, be provided with rinse bath 610 ', this rinse bath 610 ' right side be provided with dehydration filter screen cylinder 610.In the inside of out cylinder 601, be provided with screw blade 611 radially and axial baffle plate 612.In the inside of cleaning cylinder 620, be provided with agitating vane 625 and baffle plate 625 '.On the upper left side of twin-roll rotary washer 6, be provided with admission port 632 and the slideway 634 of silt and rubbish; In the lower left of twin-roll rotary washer 6, be provided with silt outlet 636.In the lower right of twin-roll rotary washer 6, be provided with wastewater outlet 637 and garbage outlet 638.
The working condition of twin-roll rotary washer 6 is as follows: silt and rubbish with large water gaging are entered in machine by admission port 632, and under the impact of the water being sprayed by water jet standpipe 633, smooth groove 634 flows down and enters into the cleaning part 620a that cleans cylinder 620 and cleans and (right side) conveying forward.In cleaning cylinder 620 rotary courses, silt and rubbish are stirred blade 625 and stir and clean, and are tangled and above taking to and because gravity falls, it are pulverized crossing 625 ' time of baffle plate, thereby repeatedly clean by it.When silt and rubbish enter the region of separated part 620b, silt sinks to the bottom of out cylinder 601 by desilting filter screen, and rubbish moves on and enters the region of separated filter screen 630.In this region, due to the effect that sand setting is scraped slag blade 631, the silt that does not sink to out cylinder 601 bottoms at separated part 620b further sinks to, and rubbish enters into the region of dehydration filter screen cylinder 610.The silt that sinks to out cylinder 601 bottoms moves to the direction shown in solid arrow L due to the effect of propeller blade 611, the wash-down water of supplying with from water-supply pipe 635 flows towards the direction shown in dotted arrow R, therefore, silt is contacted and is again rinsed by convection current with wash-down water, and is further stirred by baffle plate 612.Thereby when further promoting the cleaning of silt, the little rubbish being buried by silt floats up, and the current that are rinsed water back into dehydration filter screen 610 1 sides.The silt having cleaned above being delivered to by the blade 606 of strike-ofing after, fall and collide silt guide plate (not shown), and by silt guide plate, from out cylinder 601 to silt, being exported 636 and send.Rubbish after 610 dehydrations of dehydration filter screen cylinder is discharged by garbage outlet 638, and waste water is discharged from wastewater outlet 637.
Between silt injection mechanism 4 and silt wiper mechanism 6, be provided with part flow arrangement 5.Fig. 3 means the side-view of the part flow arrangement 5 in the sludge purifying treatment device of present embodiment.As shown in Figure 3, this part flow arrangement 5 adopts the bilateral control door of GTA300N type.The import a of this bilateral control door 5 is connected with the outlet of silt injection mechanism 4, and an one outlet b is connected with the import of silt wiper mechanism 6, and another outlet c communicates with silt transfer mechanism 7 described later.This bilateral control door 5 has door-plate 501 and manually to control the short link chain 502 of the go to action of door-plate 501.Conventionally, the position of the door-plate 501 of this bilateral control door 5 in import a is communicated with outlet b, even the position that silt injection mechanism 4 communicates with silt wiper mechanism 6.When breaking down once silt wiper mechanism 6, need to get rid of and hesitation, by operation short link chain 502, make door-plate 501 turning directions that import a is communicated with outlet c, that is, silt injection mechanism 4 is communicated with silt transfer mechanism 7.Because surrounding and side by side on the trim (the contrary one side of working face) of the door-plate 501 of this bilateral control door 5 are all provided with gasket, there is good stopping property and guarantee can not leak to another outlet.Because the stop of door-plate 501 is made the structure that there is no step and baffle plate, thereby also can not sandwich transported substance or dust and be stuck.This bilateral control door as part flow arrangement 5 can successfully carry out work.The maximum length of the door-plate 501 of this bilateral control door 5 is 600mm, and the length of side of its import a is about 390mm, and the diameter of outlet b, c is about Φ 310mm total height h and is about 600mm.Generally speaking, it is simple and compact for structure.
Silt transfer mechanism 7 temporarily stores for the silt through fine purifiation of being discharged by silt wiper mechanism 6 is transported to out to sand material bucket 8, treats to be transported by truck 14.In the present embodiment, this silt transfer mechanism 7 is also used and adopts the anxious formula rotary conveyor that inclines, and the lift of this machine is 6660mm, and its operational throughput is 3m
3/ h.
Go out sand material bucket 8 for the temporary transient silt through fine purifiation of being discharged by silt wiper mechanism 6 that stores, it makes square groove with steel plate, and capacity is 10m
3, its method for opening and closing adopts the electronic band gate-type of processing ease.
So far, just completed the processing of relevant silt, through the silt of fine purifiation, only treated to be transported by truck 14.
Below, then explanation to the rubbish being taken out by rubbish unloading device 2 after treated groove 1 pre-washing and by silt wiper mechanism 6, silt is separated with rubbish after the further processing of the rubbish that obtains.
This rubbish unloading device 2 is delivered to garbage conveyor structure 9 No. 1 by taken out rubbish.In the present embodiment, this No. 1 garbage conveyor structure 9 adopts 20
0flute profile endless belt conveyor, rule of thumb, its operational throughput is about 1/5 of handled raw sludge amount, is about 2m
3/ h, its lift is 1900mm.
The rubbish obtaining after silt is separated with rubbish by silt wiper mechanism 6 is delivered to garbage conveyor structure 10 No. 2.The rubbish being taken out from treatment trough 1 by rubbish unloading device 2 of being sent here by No. 1 garbage conveyor structure 9 is also delivered to garbage conveyor structure 10 No. 2.In the present embodiment, these No. 2 garbage conveyor structures 10 adopt the anxious formula rotary conveyor that inclines, its capacity 2m
3/ h, its lift is 7350mm.
No. 2 garbage conveyor structure 10 is delivered to garbage dewatering mechanism 11 by rubbish, by 11 pairs of rubbish of garbage dewatering mechanism, carries out processed, and the volume that reduces rubbish is so that transportation.Through garbage dewatering mechanism 11, carry out rubbish after processed and deliver to rubbish hopper 12 and temporarily store, treat to be transported by truck 14.Garbage dewatering mechanism 11 adopts spiral dryer, and its treatment capacity is 2t/h.Rubbish hopper 12 is also made square groove with steel plate equally with going out sand material bucket 8, and its method for opening and closing also adopts the electronic band gate-type of processing ease, but its capacity less be 5m
3.
Below, the spiral dryer of the garbage dewatering mechanism 11 as present embodiment is slightly described in detail.
Fig. 4 means the longitudinal section of the spiral dryer 11 in the sludge purifying treatment device of present embodiment.This spiral dryer 11 mainly comprises following component: spiral and axle 111, perforated conical drum 112, garbage inlet 113, inlet side shell 114, outlet side shell 115, outlet frame 116, common-base 117, pressure-bearing sleeve 118, cleans feed water inlet 119, housing 1110,1111, sliding surface bearing 1112,1115, oil sealing 1113,1114, bead unit 1116, waste liquid tank 1117, leakage fluid dram (not shown), main body cover 1119, wash tube 1120, garbage outlet 1121.Rubbish enters into spiral dryer 11 by garbage inlet 113, in the time of by the spiral of the taper by electric motor (not shown) driving rotation and forwards (left in figure) conveying of axle 111, because spiral and axle 111 are pyramidal structure, in perforated conical drum 112, the volume that is positioned at the place ahead in axial unit length is less than the volume that is positioned at rear, thereby rubbish is subject to the extruding of spiral and reduced volume simultaneously, moisture contained in rubbish is extruded.Rubbish after dehydrated is discharged from garbage outlet 1121, and the waste water being extruded is trapped in sump pit 1117, by not shown leakage fluid dram, is discharged.
Label 13 is wet-pit, for the waste water that produces and be back to wastewater disposal basin at each station is discharged.
Above-described embodiment is an example only, and the present invention is not limited to above-mentioned embodiment, in invention thought range of the present invention, can carry out various changes.
Claims (7)
1. a sludge purification treatment method, to raw sludge high-efficiency washing separation of sediment and rubbish, is characterized in that, comprises pre-wash step and fine purifiation step:
Above-mentioned pre-wash step is carried out in a treatment trough, and is the difference in specific gravity of utilizing rubbish and silt, the step of separating of garbage from adhered to the silt of rubbish,
And above-mentioned pre-wash step comprises:
The mud that the raw sludge of collecting is imported in treatment trough imports step;
The rubbish of thick rubble and so on is collected to the step of taking out from being arranged on the screen cloth on above-mentioned treatment trough top;
The step that the above-mentioned raw sludge importing in above-mentioned treatment trough is added to 5-15 times of water of above-mentioned raw sludge weight;
The step having stirred having added the raw sludge of above-mentioned water in the inside of above-mentioned treatment trough;
By being positioned at rubbish surperficial, that proportion is little above-mentioned treatment trough top, that float over above-mentioned mud, from the top rubbish of above-mentioned treatment trough top taking-up, take out step;
And take out step by being deposited on rubbish silt above-mentioned treatment trough bottom, that heavy silt takes out from treatment trough bottom;
Above-mentioned fine purifiation step comprises:
The above-mentioned above-mentioned rubbish silt taking out from treatment trough bottom is imported to washing unit, the silt cleaning step in this washing unit, it being cleaned;
When cleaning above-mentioned rubbish silt, also comprise the rubbish silt separating step that utilizes proportion official post rubbish separated with silt;
And, by utilizing above-mentioned top rubbish to take out step the top rubbish taking out and the rubbish that utilizes above-mentioned rubbish silt separating step to take out, import in garbage dewatering mechanism and the garbage dewatering step of dehydration.
2. sludge purification treatment method according to claim 1, is characterized in that,
Water ratio after above-mentioned garbage dewatering is 65-75%.
3. sludge purification treatment method according to claim 1 and 2, is characterized in that,
The water adding in above-mentioned raw sludge is directly used river lake water or recycled water.
4. a sludge purifying treatment device, to raw sludge high-efficiency washing separation of sediment and rubbish, is characterized in that, comprising:
For holding the raw sludge of importing and carrying out prewashed treatment trough;
Be arranged at the top of above-mentioned treatment trough, in order to remove the screen cloth of thick solid material;
Be arranged on treatment trough, and for cleaning the water supply installation of raw sludge;
The whipping appts that the raw sludge inside of above-mentioned treatment trough, that utilize above-mentioned water supply installation to add water is stirred;
Be arranged at the top of above-mentioned treatment trough, utilize the difference in specific gravity of rubbish and silt, will float over the top rubbish unloading device of rubbish taking-up above-mentioned Sludge Surface, that proportion is little;
Be arranged at the bottom of above-mentioned treatment trough, for the rubbish silt unloading device that the heavy silt that is deposited on above-mentioned treatment trough bottom is taken out;
The rubbish silt transfer mechanism that the rubbish silt taking out by above-mentioned rubbish silt unloading device is carried;
Be connected to the downstream side of above-mentioned rubbish silt transfer mechanism, for the silt wiper mechanism that above-mentioned heavy rubbish silt is cleaned;
And when above-mentioned rubbish mud is cleaned, utilize the rubbish silt separation mechanism of difference in specific gravity separating of garbage and silt;
To utilize above-mentioned top rubbish to take out the garbage dewatering mechanism that step the top rubbish taking out and the rubbish that utilizes above-mentioned rubbish silt separating step to take out import and dewaters.
5. sludge purifying treatment device according to claim 4, is characterized in that,
Above-mentioned screen cloth is that mesh is the screen cloth of 50-100mm.
6. sludge purifying treatment device according to claim 4, is characterized in that,
Above-mentioned treatment trough and the water supply installation, rubbish unloading device and the silt unloading device that are arranged on this treatment trough are all set up in parallel two covers.
7. sludge purifying treatment device according to claim 4, is characterized in that,
Upstream at above-mentioned silt wiper mechanism arranges part flow arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910173069.3A CN102020403B (en) | 2009-09-10 | 2009-09-10 | Sludge purification treatment method and device |
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|---|---|---|---|
| CN200910173069.3A CN102020403B (en) | 2009-09-10 | 2009-09-10 | Sludge purification treatment method and device |
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| CN102020403A CN102020403A (en) | 2011-04-20 |
| CN102020403B true CN102020403B (en) | 2014-12-03 |
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| CN103658082B (en) * | 2013-05-17 | 2016-06-29 | 上海康恒环境股份有限公司 | A kind of Scraper type sewer sludge removing device |
| CN104710088A (en) * | 2013-12-16 | 2015-06-17 | 天津百利阳光环保设备有限公司 | Interferent separation device in sludge treatment system |
| CN105858953B (en) | 2016-04-22 | 2018-06-05 | 密西西比国际水务有限公司 | The method and apparatus that a kind of black smelly river is administered |
| CN106007277A (en) * | 2016-05-31 | 2016-10-12 | 贵州安凯达实业股份有限公司 | Hydraulic separation method used for pipeline sludge, and system thereof |
| CN110559736B (en) * | 2019-09-17 | 2020-05-15 | 龙建路桥股份有限公司 | Environment-friendly river sludge cleaning treatment method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468349A (en) * | 2007-12-25 | 2009-07-01 | 旭技术环境系统株式会社 | Flushing device |
| CN201473428U (en) * | 2009-09-10 | 2010-05-19 | 旭技术环境系统株式会社 | Sludge purifying treatment device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6456200A (en) * | 1987-08-26 | 1989-03-03 | Nippon Steel Corp | Treatment of mud deposited on water bottom |
| JP3835927B2 (en) * | 1998-04-23 | 2006-10-18 | 株式会社クボタ | Organic waste treatment methods |
| JP4364889B2 (en) * | 2006-07-12 | 2009-11-18 | 大豊建設株式会社 | Method and apparatus for treating dredged soil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468349A (en) * | 2007-12-25 | 2009-07-01 | 旭技术环境系统株式会社 | Flushing device |
| CN201473428U (en) * | 2009-09-10 | 2010-05-19 | 旭技术环境系统株式会社 | Sludge purifying treatment device |
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