A kind of sludge treatment device
The utility model is related to a kind of sludge treatment device.
Development and the quickening of urbanization process, urban wastewater treatment firm and the sludge number supervened with social economy
Amount is quick to be increased.According to relevant material, the sludge of wastewater treatment in China factory generation reaches 300,000,000 tons within 2010.Because sludge is de-
Water must carry out biochemical, flocculation treatment, and dehydrated sludge contains substantial amounts of cellular water and attached water, at present, almost all of
The moisture content of sludge can only be reduced to 80% or so by the existing equipment of sewage treatment plant and technology, such as to reach the requirement of burning-
The moisture content of sludge will spend cost very high less than 50%, therefore nearly all sewage treatment plant of China often can only be by sludge
Based on filling and stack, so as to trigger serious problem of environmental pollution.
In the prior art, sludge treatment equipment generally includes the sludge concentration device being independently arranged and dewaterer, carries out dirt
During mud treatment, diluter sludge is concentrated first with sludge concentration device, the sludge of water content reduction is entered back into after concentration
Dewaterer is dehydrated.This Treatment of Sludge mode, one is big equipment investment, and equipment occupation space is big, and high energy consumption, operating cost is high；
Two are, existing sludge concentration device is susceptible to block, so that inefficiency, operating cost is high and dense for sludge
Contracting effect is limited.In recent years, also someone report thickening all-in-one, but the treatment effect of existing thickening all-in-one with
Tradition concentration, the device of dehydration split are substantially reduced compared to treatment effect, and complex structure, and use cost is high.
For above-mentioned deficiency, the applicant proposes new application, CN104591520A, its main public affairs in 2015.1.29
A kind of sludge concentration and dewatering all-in-one is driven, it includes frame, the sludge concentration device being arranged in frame and sludge dewatering dress
Put, sludge concentration device includes that side wall is provided with the isolating cylinder of the drainage mesh for passing through that supplies water, and isolating cylinder is uprightly set, isolating cylinder
Upper and lower part is respectively equipped with the entrance of the sludge for being passed through to be concentrated and is used to discharge the sludge outlet after concentration, and sludge goes out
Mouth is connected with sludge dehydration device, and sludge concentration device also includes cleaning shoe group, and cleaning shoe group includes can be around horizontal axis
Multiple cleaning shoes of setting are rotated together, and a line that each cleaning shoe extends along its length is provided with drainage with isolating cylinder
The madial wall contact of mesh, sludge concentration device is also included for driving the drive mechanism of multiple cleaning shoes rotations, being fixedly installed
It is used to sludge is tended to the diversion member drawn close in the middle part of isolating cylinder on each cleaning shoe, when sludge concentration device works,
Isolating cylinder is maintained static, and cleaning shoe is rotated and removes the sludge scraping at drainage mesh；
Sludge dehydration device is electro-osmosis sludge dehydration device, and sludge concentration and dewatering all-in-one also includes being used for the dirt
Mud dehydration device provides the drive device and power supply of power, and sludge dehydration device is specifically included in the annular being fixed in frame
Guide rail, it is fixed on the annular lower guideway in the frame and below annular upper rail, the track energy along annular lower guideway
Enough mobile web plates of mobile multiple, the multiple stripper plates that can be moved along the track of annular upper rail, annular upper rail and ring
The center line of shape lower guideway is horizontally extending, and the bottom of annular upper rail is straight path, the top of annular lower guideway
It is straight path, mobile web plate and stripper plate are made of electrically conductive material, and the two is connected with the negative electrode and anode of power supply respectively；
Multiple stripper plates on the straight path of annular upper rail are mobile with the multiple being located on the straight path of annular lower guideway
Sludge squeezing passage is formed between web plate, the height of the sludge squeezing passage from one end towards the direction of the other end gradually becomes
Low, the sludge concentration device is located at the side top of annular lower guideway, and the sludge outlet of isolating cylinder is located at the top of mobile web plate,
And moving direction of the direction discharged from the sludge outlet of sludge with mobile web plate on straight path is identical.
However, in practical operation, there is following deficiency in it：
1）, by electro-osmosis and extruding sludge is carried out into dewater treatment so that the sludge after treatment can directly be burned or filled out
Bury, therefore, production line is very long, bulky, and equipment operating cost is higher；
2）, integral device movement or transport, it is also very difficult, it is impossible to meet the demand of different users, flexibility
It is not enough.
The content of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, there is provided at a kind of improved sludge
To solve above technical problem, the utility model is adopted the following technical scheme that：
A kind of sludge treatment device, it includes frame, the sludge concentration device and sludge dehydration device being arranged in frame,
The sludge concentration device includes that side wall is provided with the isolating cylinder of the drainage mesh for passing through that supplies water, and isolating cylinder upper and lower part sets respectively
There is the mud inlet of the sludge for being passed through to be concentrated and be used to discharge the mud mouth of the sludge after concentration；Sludge dehydration device includes
Positioned at the lower section of sludge concentration device mud mouth and horizontally disposed extruding drum, for driving extruding drum to turn around horizontal axis
Dynamic drive mechanism, forms the crush-zone with sludge outlet between extruding drum and mud mouth, and in the cylinder of extruding drum
Wall is provided with the treatment hole or drainage component for supplying water and passing through, and when extruding drum is rotated, the sludge in crush-zone is squeezed
Pressure, the sludge being extruded is oriented to sludge outlet under the rotation of extruding drum, the extruding rolling outside the water self compaction region being extruded
Treatment hole or the discharge of drainage component on cylinder barrel.
Preferably, sludge dehydration device also includes that the side for being arranged on mud mouth is used to that extruding drum surface will to be remained in
Sludge scraping is removed and scrapes mud component and for other side seals of extruding drum and mud mouth to be connected from sludge outlet discharge
Take over control only without extruding sludge discharge blanking plate component, wherein mud mouth, the top of extruding drum and scrape mud component and
Blanking plate component forms crush-zone, and sludge outlet is located at and scrapes on mud component.
Further, scraping mud component includes inclining the extension board of extension down and out from the side of mud mouth, extends certainly
The vertical scraper plate for extending to extruding drum top opposite side and being contacted with extruding drum surface in the lower end of plate, wherein sludge outlet position
It is extended along the length direction of extruding drum in the middle part of scraper plate, and sludge outlet.
According to one of the present utility model specific implementation and preferred aspect, it is additionally provided with sludge outlet and is easy to lead in sludge
The guiding hopper gone out outside processing equipment, wherein being oriented to hopper includes that upper end contradicts on the outside of scraper plate and is located at sludge outlet（Inspection
Survey region）The undertaking base plate of lower section, it is connected to positioned at the gusset plate for accepting base plate both sides and with by the bottom for accepting base plate
Connecting portion in frame, the undertaking base plate is 15~60 ° with the angle of horizontal plane.
Sludge dehydration device also includes setting in frame and can extend into the sludge that will be remained in drainage component or treatment hole
The brush member of removal and the spraying mechanism for being washed away to brush member and drainage component or treatment hole, wherein spraying
Drench mechanism be located at brush member top, brush member include be arranged in parallel with extruding drum installation axle, along installation axle
Length direction be evenly distributed on installation axle surrounding bristle, for drive installation axle around axis rotation drive mechanism, wherein
Installation axle is rotated in opposite directions with extruding drum.
According to another specific implementation of the present utility model and preferred aspect, isolating cylinder is uprightly set, sludge concentration device
Also include cleaning shoe group, the cleaning shoe group includes together being rotated around horizontal axis multiple cleaning shoes of setting, cleaning shoe edge
The a line that its length direction extends is contacted with the madial wall for being provided with drainage mesh of isolating cylinder, and sludge concentration device also includes using
In the drive mechanism for driving multiple cleaning shoes to rotate, it is fixedly installed on each cleaning shoe for making sludge tend to isolating cylinder
The diversion member that middle part is drawn close, when sludge concentration device works, isolating cylinder is maintained static, and cleaning shoe is rotated at drainage mesh
Sludge scraping is removed.It is easy to water to leach isolating cylinder, and then prevents the blocking of drainage mesh.
Preferably, isolating cylinder is provided with the rotating shaft that can be rotated around own axes, and rotating shaft is connected or one with drive mechanism
Further, cleaning shoe is fixed in rotating shaft, and the multiple cleaning shoes for constituting cleaning shoe group are equal along the radial direction of rotating shaft
Preferably, the madial wall of the isolating cylinder that plane where cleaning shoe is contacted with cleaning shoe forms therebetween 8~20 °
Angle.On the premise of ensuring to scrape mud effect, it is easy to the driving of cleaning shoe so that more sludge scraping is removed in labour-saving（Mainly
It is embodied in：The frictional force between rotation process cleaning shoe and isolating cylinder is reduced, the abrasion of cleaning shoe and isolating cylinder is reduced）, while
Also it is beneficial to energy-conservation.
Preferably, diversion member includes multiple deflectors, and multiple deflectors are distributed and phase along the length direction of cleaning shoe
Adjacent two deflectors are spaced apart, both madial walls of the described isolating cylinder that plane where each deflector is contacted with cleaning shoe it
Between form 45~75 ° of angle.The setting of deflector effectively can be rolled into a ball away from water strainer the flocculation in sludge, be easy to dirt
The side wall of the current direction isolating cylinder in mud and through drainage mesh discharge, so as to improve thickening efficiency and concentrated effect.
Further, isolating cylinder is square tube, and drainage mesh is arranged on the relative two side walls of isolating cylinder, and cleaning shoe group has
Two groups, every group of cleaning shoe of cleaning shoe group two sidewall contacts relative with isolating cylinder respectively, this is with respect to the distance between two side walls
It is 120~300cm, the distance between the end edge away from cleaning shoe of deflector and madial wall of isolating cylinder are 60~150cm.Root
Studied according to the lot of experiments of applicant and found, it is more traditional using square isolating cylinder of the present utility model when other structures are identical
Circular isolating cylinder concentrated effect significantly improve.
The deflector being preferably located in each group cleaning shoe group of both sides mutually staggers；Drainage mesh is along isolating cylinder
Whole height distribution or be only distributed along one section of height of isolating cylinder.
Additionally, sludge concentration device also include being arranged in crush-zone, can around it is horizontally disposed pivotally
The mud extraction gear door of mud volume is adjusted, wherein pivot is consistent with the bearing of trend of extruding drum, and positioned at the side of mud mouth.This goes out
Mud gear door can be used for controlling the water content of mud volume and mud extraction.
Meanwhile, above-mentioned extruding drum is single or multiple lift structure, and is provided with reinforcing plate in the inside of extruding drum.Ensure
The rigidity and intensity of extruding drum, are easy to the extrusion dehydration of sludge.
End cap is provided with extruding drum both ends；Through hole is offered on end cap（Mitigate deadweight）；Treatment hole is elongated
Gap hole, effectively prevents the blocking of sludge opposite joint lyriform pore, it is ensured that drainage effect.
Due to the implementation of above technical scheme, the utility model has the following advantages that compared with prior art：
On the one hand the utility model simplifies the structure of sludge dehydration device, conveniently the operation of dehydration, reduces cost, also just
In transport；On the other hand with the enrichment facility of dehydration device, can by the solid content of sludge after treatment be promoted to 20% with
On, strengthen the versatility of the processing equipment.
Brief description of the drawings
The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings：
Fig. 1 is thickening all-in-one of the present utility model（Sludge treatment device）Structural representation；
Fig. 2 is thickening all-in-one in Fig. 1（Sludge treatment device）Structural representation（180 ° are overturn around vertical center
And omit housing）；
Fig. 3 is the half-section diagram of Fig. 1；
Fig. 4 is the structure schematic front view of sludge concentration device in Fig. 1；
Fig. 5 is the schematic cross-sectional view in the A-A directions in Fig. 4；
Fig. 6 is the local overlooking enlarged diagram of enrichment facility；
Wherein：1st, frame；2nd, mud dehydration device；20th, extruding drum；21st, drive mechanism；22nd, mud component is scraped；220th, extend
Plate；221st, scraper plate；23rd, blanking plate component；24th, it is oriented to hopper；240th, base plate is accepted；241st, gusset plate；242nd, connecting portion；25th, hair
Brush assemblies；250th, installation axle；251st, bristle；252nd, drive mechanism；26th, spraying mechanism；3rd, sludge concentration device；30th, isolating cylinder；
300th, drainage mesh；31st, cleaning shoe group；310th, cleaning shoe；32nd, rotating shaft；33rd, diversion member；330th, deflector；34th, mud extraction gear
As shown in Figures 1 to 6, the sludge treatment device that the present embodiment is provided, it includes frame 1, is arranged on 1 in frame
Sludge dehydration device 2 and sludge concentration device 3.
Specifically, sludge concentration device 3 include isolating cylinder 30, cleaning shoe group 31, drive cleaning shoe group 31 and rotating shaft 32 around
The axis drive mechanism for rotating of rotating shaft 32 and the water conservancy diversion unit drawn close to the middle part of isolating cylinder 30 for tending to sludge
Isolating cylinder 30 is square tube, and the relative two side walls of isolating cylinder 30 are provided with the drainage mesh 300 for supplying water and passing through, drainage
Mesh 300 is distributed along the whole height distribution of isolating cylinder 30 or only along one section of height of isolating cylinder 30, in this example, water strainer
Hole 300 is distributed along the whole height of isolating cylinder 30.
Further, isolating cylinder 30 is uprightly set, and what its upper and lower part was respectively equipped with to be passed through sludge to be concentrated enters mud
Mouthful and be used to discharge the mud mouth of sludge after concentration, and mud extraction gear door 34 is additionally provided with the corresponding mud mouth of isolating cylinder 30,
The purpose for being provided with mud extraction gear door 34 is to control the moisture content in mud volume and mud extraction.
Rotating shaft 322 horizontal through the isolating cylinder 30 with drainage mesh 300 relative two side walls, with respect between two side walls
Distance is c, and the reasonable value scope of c is 120~300cm, if distance is more than 300cm, concentrated effect can be deteriorated, if apart from c
Less than 120cm, then isolating cylinder 30 can be too small to the treating capacity of sludge.
Cleaning shoe group 31 has two groups, and every group of cleaning shoe group 31 includes scraping for multiple radially uniform distributions around rotating shaft 32
Mud plate 310.Two groups of cleaning shoes of cleaning shoe group 31 310 connect with the relative two side wall with the isolating cylinder 30 of drainage mesh 300 respectively
Touch.Specifically, a line that each cleaning shoe 310 extends along its length direction is provided with drainage mesh with isolating cylinder 30
300 madial wall is close to, and the madial wall of isolating cylinder 30 that the place plane of cleaning shoe 310 is contacted with cleaning shoe 310 is therebetween
It is a to form angle, and the range of choice of angle a is 8~20 °, is specifically as follows such as 10 °, 15 ° etc..
Diversion member 33 includes multiple deflectors 330, and the plurality of deflector 330 is fixedly installed on can on each cleaning shoe 310
Sludge is set to tend to be drawn close to the middle part of isolating cylinder 30, meanwhile, multiple deflectors 330 divide along the length direction of cleaning shoe 310
Cloth and adjacent two deflectors 330 are spaced apart, the isolating cylinder 30 that the place plane of each deflector 330 is contacted with cleaning shoe 310 it is interior
It is b that side wall forms therebetween angle, and the range of choice of angle b is 45~75 °, is specifically as follows such as 50 °, 60 ° etc..
Further, the deflector 330 in each group cleaning shoe group 31 of both sides mutually staggers.Deflector 330
The distance between madial wall away from end edge and the isolating cylinder 30 of cleaning shoe 310 is d, the reasonable value scope of d for 60~
150cm, preferably 60~120cm.
Meanwhile, in order to further improve concentrated effect, isolating cylinder 30 is divided into permeable area and extruding from top to bottom in this example
Area, wherein being respectively mounted cleaning shoe group 31, driving cleaning shoe group 31 and rotating shaft 32 around rotating shaft 32 in permeable area and crush zone
The drive mechanism of axis rotation and the diversion member 33 drawn close to the middle part of isolating cylinder 30 for tending to sludge.
Specifically, two sequences of the cleaning shoe of cleaning shoe group 31 310 positioned at homonymy positioned at crush zone are engaged setting,
And positioned at crush zone two traffic directions of rotating shaft 32 conversely, same motor driving under, by the transmission of gear, can be real
Existing relative motion.
Further, both sides sludge can be converged and be directed downwardly toward mud mouth and set by the rotation direction of its rotating shaft 32 to middle part
Sludge dehydration device 2 include positioned at sludge concentration device mud mouth lower section and horizontally disposed extruding drum 20,
Being formed for driving extruding drum 20 around the drive mechanism 21 of horizontal axis rotation, between extruding drum 20 and mud mouth has dirt
The crush-zone s of mud outlet, and the treatment hole or drainage component for supplying water and passing through are provided with the barrel of extruding drum 20, work as extruding
When roller 20 is rotated, the sludge in crush-zone s is extruded, and the sludge being extruded is oriented under the rotation of extruding drum 20
Sludge outlet, the treatment hole on the barrel of extruding drum 20 outside water self compaction region s being extruded or the discharge of drainage component.
In this example, extruding drum 20 is single or multiple lift structure, and is provided with along extruding on the inwall of extruding drum 20
The reinforcing plate that the length direction of roller 20 extends.Ensure the rigidity and intensity of extruding drum, be easy to the extrusion dehydration of sludge.Meanwhile,
End cap is provided with the both ends of extruding drum 20；Through hole is offered on end cap（Mitigate deadweight）.
Specifically, directly offer multiple treatment holes on the periphery barrel of extruding drum 20, the shape for the treatment of hole can be with
It is arbitrary shape, such as：Elongated hole, square opening, circular hole etc..But, in this example, treatment hole is elongated gap hole, effectively
Prevent the blocking of sludge opposite joint lyriform pore, it is ensured that drainage effect.
Further, above-mentioned mud extraction gear door 34 is located in crush-zone s, and can be pivoted around horizontally disposed
Be arranged on the side of mud mouth, it is mainly and keeps off door 34 by mud extraction and be used to control the water content of mud volume and mud extraction.
Sludge dehydration device 2 also includes that the side for being arranged on mud mouth is used to remain in the sludge on the surface of extruding drum 20
Strike off and scrape mud component 22 and for other side seals of extruding drum 20 and mud mouth to be connected from sludge outlet discharge
The blanking plate component 23 only discharged without the sludge of extruding is taken over control, wherein mud mouth, the top of extruding drum 20 and mud group is scraped
Part 22 and blanking plate component 23 form crush-zone s, and sludge outlet is located at and scrapes on mud component 22.
Further, scrape mud component 22 include from the side of mud mouth incline down and out extension extension board 220, from
The vertical scraper plate 221 for extending to the top opposite side of extruding drum 20 and being contacted with the surface of extruding drum 20 in the lower end of extension board 220,
Wherein sludge outlet is located at the middle part of scraper plate 221, and sludge outlet is extended along the length direction of extruding drum 20.
Meanwhile, it is additionally provided with sludge outlet in this example and is easy to that sludge is derived the guiding hopper 24 outside processing equipment, its
It is middle be oriented to hopper 24 include upper end contradict undertaking base plate 240 in the outside of scraper plate 221 and below sludge outlet, positioned at holding
Connect the gusset plate 241 of the both sides of base plate 240 and be connected to connecting portion 242 in frame 1 with by the bottom for accepting base plate 240,
The undertaking base plate 240 is 15~60 ° with the angle of horizontal plane, wherein 30 ° is optimal（Shown in this example embodiment）.
Sludge dehydration device 2 also includes setting in frame 1 and can extend into the dirt that will be remained in drainage component or treatment hole
The brush member 25 and the spraying mechanism for being washed away to brush member 25 and drainage component or treatment hole of mud removal
26, wherein spraying mechanism 26 is located at the top of brush member 25.
It is installation axle 250 that brush member 25 includes be arrangeding in parallel with extruding drum, equal along the length direction of installation axle 250
The even bristle 251 for being distributed in installation axle surrounding, for drive installation axle 250 around axis rotation drive mechanism 252, wherein pacifying
Dress axle 250 is rotated in opposite directions with extruding drum 20.
Spraying mechanism 26 be conventional design, using one with the pipeline of the parallel setting of installation axle 250, opened up on pipeline
There are multiple hole for water sprayings, then to providing water under high pressure in pipeline, so as to realize rushing for drainage component or treatment hole and brush member 25
Additionally, there is also mounted housing in frame 1, sludge concentration device and sludge dehydration device are hidden respectively including
Portion, while being additionally provided with outside the water discharge housing for respectively being discharged sludge concentration device and sludge dehydration device in enclosure interior
The course of work of the present utility model is as follows：
By the sludge for having flocculated（Sludge forms flocculation group so as to mud, water are separated）Isolation is passed into from the mud inlet of isolating cylinder
In cylinder, water discharges isolating cylinder from drainage mesh, after the sedimentation of sludge flocculation group, is discharged from the sludge outlet of isolating cylinder, in sludge
In concentration process, subsidence velocity of the speed that control cleaning shoe is rotated less than sludge flocculation group in isolating cylinder, it is ensured that cleaning shoe
Rotation will not make concentrated sludge（Precipitating sludge flocculation group）Again bring up.During sludge condensation, isolating cylinder is solid
Fixed motionless, drive mechanism drives the rotating shaft being located in permeable area, cleaning shoe and deflector to be rotated around horizontal axis, and cleaning shoe is rotated
During will constantly adsorb sludge at drainage mesh or other impurities are scraped off, it is ensured that drainage mesh is unimpeded, meanwhile, deflector
Make sludge flocculation group away from drainage mesh, the drainage mesh after scraping cleaning shoe will not be covered by sludge at once, increase water strainer
The permeable amount in hole, when being oriented to sludge flocculation group, most of water is from the interval between adjacent two deflectors for deflector
Place flows to drainage mesh and is discharged from；
Then sludge enters crush zone, is revolved around horizontal axis by two rotating shafts of reverse motions, cleaning shoe and deflectors
Turn, be pressed further by sludge so that remainder water from the interval between adjacent two deflectors flow to drainage mesh and from
Sludge after the completion of concentration, conveys, Ran Houyou from mud mouth in the case where the extruding of crush zone and comb are led to crush-zone
The rotation of extruding drum, is pressed further by sludge, and keeps off gate control mud volume by mud extraction, while the sludge self compaction after extruding
The sludge outlet discharge in region, the treatment hole that the water self compaction cylinder surface produced by extruding is set is flowed into extruding drum, so
Treatment hole discharge on extruding drum barrel outside self compaction region afterwards, so as to realize further dehydration.
As fully visible, the utility model sludge concentration device structure is very simple, sets convenient, in processing procedure, protects
The unimpeded of drainage mesh is demonstrate,proved, water can be discharged quickly from drainage mesh, and thickening efficiency is high, and concentrated effect is good, and whole device is run
Low cost, may be adapted to the concentration of the sludge that solid content is 0.5~3.0%, after concentration the solid content of sludge up to 8~
15%.Meanwhile, under being pressed further by of extruding drum so that the sludge solid content after treatment can be promoted to more than 20%, behaviour
Make simple, easy to implement, low cost, and be readily transported.
The utility model is described in detail above, the personage that this art is familiar with its object is to allow can be much of that
Solve content of the present utility model and be carried out, protection domain of the present utility model can not be limited with this, it is all according to this practicality
The equivalent change or modification that new Spirit Essence is made, should all cover in protection domain of the present utility model.