CN106396331B - A kind of sludge concentration and dewatering desiccation integral processing unit and its processing method - Google Patents
A kind of sludge concentration and dewatering desiccation integral processing unit and its processing method Download PDFInfo
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- CN106396331B CN106396331B CN201610544749.1A CN201610544749A CN106396331B CN 106396331 B CN106396331 B CN 106396331B CN 201610544749 A CN201610544749 A CN 201610544749A CN 106396331 B CN106396331 B CN 106396331B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of sludge concentration and dewatering desiccation integral processing unit and its processing method, including sludge concentration device and sludge deep dehydrator；Sludge concentration device includes wedge-shaped filter screen and the first helical axis of rotation, and wedge-shaped filter screen includes sewage of low concentration fillter section, sludge condensation section and sludge extruded segment；First helical axis includes central shaft, the first rubber ring and the first helical blade, sludge deep dehydrator includes helical feed and extruding all-in-one and extrusion dehydration room, helical feed includes the second helical axis of the second helical blade, conveying housing and varying pitch with extruding all-in-one, extrusion dehydration room includes left filter, right filter and intermediate filtered plate, left filter and right filter are flared out or inwardly closed using intermediate filtered plate as axle.The present invention solves moisture content height, the problem of operating cost is big after Treatment of Sludge in the prior art.
Description
Technical field
The present invention relates to sludge condensation and dehydration and drying field, more particularly to a kind of municipal sludge or plant, change
The sludge concentration and dewatering desiccation integral processing unit and its processing method of manure pit.
Background technology
At present in sewage disposal process, a kind of accessory substance can be produced --- sludge, sludge is by water and sewage disposal
Solid sediment matter produced by process, sludge dewatering is exactly concentration or digested sludge removing moisture, is converted into semisolid or solid
A kind of method for sludge treatment of state clod.And energy-saving and emission-reduction are one of fundamental state policies of China's sustained economic development, with water ring
The reinforcement with protection is administered in border, and the treatment technology of sludge dewatering is also continued to develop.
Existing municipal sludge or plant, the sludge condensation of septic tank, the equipment of dehydration and drying technology typically have plate
Frame filter, folded spiral shell formula filter, disc type sludge dewatering equipment, belt type dewaterer etc., the following defect of generally existing：1）After dehydration
Moisture content is too high, and its moisture content is also up to 70-80% after general processing, does not reach dewatered sludge and the terminal such as is filled or burned
Handle the requirement of moisture content；2）The operating cost of device fabrication cost or processed in units amount is too high；3）Occupation area of equipment and sky
Between it is excessive.
Therefore, the present inventor makes further research to this, develops a kind of sludge concentration and dewatering desiccation integralization processing dress
Put and its processing method, thus this case produces.
The content of the invention
The technical problems to be solved by the invention be provide a kind of sludge concentration and dewatering desiccation integral processing unit and
Its processing method, to solve moisture content height, the problem of operating cost is big after Treatment of Sludge in the prior art.
In order to solve the above technical problems, the technical solution of the present invention is：
A kind of sludge concentration and dewatering desiccation integral processing unit, including sludge concentration device and deeply dehydrating sludge dress
Put, sludge concentration device connection sludge deep dehydrator；
The sludge concentration device includes wedge-shaped filter screen and the first helical axis of rotation, and the wedge-shaped filter screen includes low concentration
Sewage water filtration section, sludge condensation section and sludge extruded segment；Sewage of low concentration fillter section, sludge condensation section and sludge extruded segment are successively
First helical axis of connection, varying pitch and variable diameters includes central shaft, the first rubber ring and the first helical blade, the first helical-blade
Piece is installed on center shaft, and the first rubber ring is enclosed between the first helical blade and wedge-shaped filter screen；
The sludge deep dehydrator includes helical feed and extruding all-in-one and extrusion dehydration room, the helical feed
Include the second helical axis of the second helical blade, conveying housing and varying pitch with extruding all-in-one, the second helical blade is arranged on
On second helical axis, the extrusion dehydration room includes left filter, right filter and intermediate filtered plate, left filter and right filtering
Plate is flared out or inwardly closed using intermediate filtered plate as axle.
Further, the sludge concentration device also includes charging aperture, discharging opening and spiral axial brake device, the discharging opening
Including discharging pressing plate, compression spring, stop collar and spacing regulating bolt.
Further, the sludge deep dehydrator also includes drive device and the charging being connected with sludge concentration device
Bucket, feed hopper is connected with conveying housing, is connected between drive device and the second helical axis by bearing block, the bearing block includes
The taper roll bearing installed back-to-back for a pair.
Further, intermediate filtered plate is by filter cloth, intermediate wedge filter screen, filter plate body, filtrate (liquid and compressed air inlet group
Into filter cloth, intermediate wedge filter screen and filter plate body constitute a hollow cavity.
Further, left filter is made up of left filter cloth, left wedge-shaped filter screen, left outside shrouding and left liquid outlet, left filter cloth, left wedge
Shape filter screen and the left filtrate chamber of the sealing of left outside shrouding formation one；Right filter is by right filter cloth, right wedge-shaped filter screen, right outer shrouding and the right side
Liquid outlet is constituted, the right filtrate chamber of right filter cloth, right wedge-shaped filter screen and right covering plate shape into a sealing.
Further, extrusion dehydration room also includes opening device, and opening device is by unlatching oil cylinder or cylinder, left connecting rod, right company
Bar, hinged seat composition, left connecting rod and right connecting rod are hinged with left filter and right filter respectively, when the work for opening oil cylinder or cylinder
When stopper rod stretches out, left filter and right filtering plate closing, when the piston rod for opening oil cylinder or cylinder is retracted, left filter and the right side
Filter is flared out discharging.
Further, extrusion dehydration room also includes locking device, and locking device is made up of locking cylinder or cylinder, locking pin,
Left filter is provided with left locking lug plate holes, and right filter is provided with right locking lug plate holes, and the piston rod of locking cylinder or cylinder is stretched
When going out or retracting, drive locking pin insertion or exit left locking lug plate holes and right locking lug plate holes, make left filter and right filtering
Plate closing opens.
A kind of sludge concentration and dewatering desiccation integral processing method, comprises the following steps：
Step one：Primary concentration is dehydrated：Pending sludge is delivered to sludge concentration device, passes through sludge concentration device
The first helical axis preliminary extruding is carried out to sludge and drives sludge to wedge-shaped filter screen, sludge passes sequentially through sewage of low concentration mistake
Filter section filters most of Free water, sludge condensation section filters remaining Free water and sludge extruded segment filters partial interior water, by dirt
Mud particle and water separation；
Step 2：Two grades of deep dehydrations, desiccation：The sludge crossed by primary concentration dewater treatment is delivered to sludge deep and taken off
Water installations, are conveyed by helical feed and are extruded with extruding all-in-one to extrusion dehydration room, in extrusion dehydration room, worked as a left side
When filter and right filtering plate closing, the surface adsorption water of compressed air stripping mud granule makes sludge drying, while discharging filter
Liquid, when left filter and right filter are flared out, you can be met the sludge of water content requirement.
Further, in step one：The rotary speed of first helical axis is controlled in 1.5-3.5r/min；
Further, in step 2：Helical feed with extruding all-in-one the second helical axis toggle speed in 7r/min,
After sludge is filled up in extrusion dehydration room, start dehydration；As pressure increases, the rotary speed of the second helical axis is gradually reduced, when
When rotary speed is reduced to 1.5r/min, intermediate filtered plate is passed through compressed air, and the surface of compressed air stripping mud granule is inhaled
Attached water；Compressed air pressure is 0.7-1Mpa.
After such scheme, the present invention constantly conveys sludge to wedge shape by the first helical axis of sludge concentration device and filtered
Net carries out segmentation filtering, controls the precision of filtering, then again by the helical feed and extruding one of sludge deep dehydrator
Machine screw extrusion and conveying, extrude sludge and deep dehydration in extrusion dehydration room.The present invention has advantages below：
1st, sludge concentration device is realized with different pressures, the segmentation filter design of different filtering accuracies so that this hair
The filtering accuracy of bright sludge can be well controlled, and remove its most Free water, can make sewage or the dirt of high-moisture percentage
Mud is condensed into the sludge that moisture content is 80-85%, screw extrusion, compressed air extruding in sludge deep dehydrator, compression
Air stripping is acted on, and removes the surface water of mud granule, internal junction Heshui, desiccation is less than 50% sludge into moisture content, has
Good dehydrating effect, so as to reach the water content requirement required by the terminal processes such as landfill yard, burning station；
2nd, sludge concentration device and sludge deep dehydrator of the invention are simple in construction, can work continuously, and treating capacity is big,
The running cost compared prior art of its device fabrication or processed in units amount is low；
3rd, the present invention uses Fully-mechanized processing, and rotating speed is low, thus its low cost of manufacture, the small service life of operation noise
It is long, and its apparatus structure used is compact, and floor space and space are smaller.
Brief description of the drawings
Fig. 1 is the structural representation of the sludge concentration device of the present invention；
Fig. 2 is the structural representation of the sludge deep dehydrator of the present invention；
Sectional view when Fig. 3 is the left filter in Fig. 2 A-A directions and right filtering plate closing；
Fig. 2 dextrad view when Fig. 4 is left filter and right filtering plate closing；
Fig. 5 is the dextrad view of Fig. 2 when left filter and right filter open；
Fig. 6 is the front view of intermediate filtered plate of the present invention；
Fig. 7 is Fig. 6 left-hand view；
Fig. 8 is the partial enlarged drawing of intermediate filtered plate of the present invention.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.Disclosed is a kind of sludge
Thickening desiccation integral processing unit, as depicted in figs. 1 and 2, a kind of sludge concentration and dewatering desiccation integral processing unit,
Including sludge concentration device 1 and sludge deep dehydrator 2, the connection sludge deep dehydrator 2 of sludge concentration device 1.
The sludge concentration device 1 includes wedge-shaped filter screen 11 and the first helical axis 12 of rotation, and the wedge-shaped filter screen 11 is wrapped
Include sewage of low concentration fillter section 111, sludge condensation section 112 and sludge extruded segment 113；Sewage of low concentration fillter section 111, sludge are dense
Contracting section 112 and sludge extruded segment 113 are sequentially connected, sewage of low concentration fillter section 111, sludge condensation section 112 and sludge extruded segment
113 be according in filter process, what the different pressures of sludge concentration device were set, with different filtering accuracies, in this implementation
In example, the aperture of filter screen of sewage of low concentration fillter section 111 is 0.5mm, and the aperture of filter screen of sludge condensation section 112 is 0.3mm, sludge
The aperture of filter screen of extruded segment 113 is 0.1mm.
First helical axis 12 is varying pitch, the axle of variable diameters, in order to adapts to volume after sludge condensation and reduces, keeps
Enough extruding forces between first helical axis 12 and wedge-shaped filter screen 11.
First helical axis 12 includes central shaft 121, the first rubber ring 122 and the first helical blade 123, the first helical blade
123 are arranged on central shaft 121, and the first rubber ring 122 is enclosed between the first helical blade 123 and wedge-shaped filter screen 11, not only
The space between two the first helical blades 123 can be sealed, soiling solution is reduced and flows backwards, the work effect of sludge concentration device is improved
Rate, and can reduce by the first helical blade 123 and worn and torn with wedge-shaped filter screen 11 caused by directly contact, raising sludge condensation is filled
The service life put.
The sludge deep dehydrator 2 includes helical feed and extruding all-in-one 21 and extrusion dehydration room 22, spiral transferring
Send and extrusion dehydration room 22 is connected with extruding all-in-one 21, the helical feed includes the second helical blade with extruding all-in-one 21
214th, conveying housing 212, the second helical axis 211 of varying pitch.Second helical axis 211 is arranged to the purpose of varying pitch：Discharge is dirty
Air in mud, makes the sludge into dewatering station produce enough extruding forces.
The extrusion dehydration room 22 includes left filter 221, right filter 222 and intermediate filtered plate 223, left filter
221 and right filter 222 with intermediate filtered plate 223 be axle, can be flared out or inwardly close.
Further, the sludge concentration device 1 also includes charging aperture 13, discharging opening 14 and spiral axial brake device 15, institute
Stating discharging opening 14 includes discharging pressing plate 141, compression spring 142, stop collar 143 and spacing regulating bolt 144.Discharging opening 14 is set
The purpose of compression spring 142, stop collar 143 and spacing regulating bolt 144 is for the pressure of conditioning of mud enrichment facility, with suitable
Answer different types of sludge.
Further, the sludge deep dehydrator 2 also include drive device 24 and with entering that sludge concentration device 1 is connected
Hopper 23, feed hopper 23 is connected with conveying housing 212, passes through the phase of bearing block 25 between drive device 24 and the second helical axis 211
Connect, the bearing block 25 includes a pair of taper roll bearings 251,252 installed back-to-back.Second helical axis 211 is cantilevered
Install, the taper roll bearing that the moment of flexure and axial force that the second helical axis 211 is operationally produced are installed back-to-back by a pair
251st, 252 bear.
Further, there is flexible scraper plate on the first helical blade 123.Flexible scraper plate on first helical blade 123 is synchronous
Rotation, flexible scraper plate is directly contacted with wedge-shaped filter screen 11, is wiped the mud granule for being deposited on wedge-shaped filter screen 11 off, was accelerated filtering velocity
Degree.
Further, as shown in Fig. 6, Fig. 7 and Fig. 8, intermediate filtered plate 223 is by filter cloth 2231, intermediate wedge filter screen 2232, filter
Plate body 2233, filtrate (liquid 2234 and compressed air inlet 2235 are constituted, filter cloth 2231, intermediate wedge filter screen 2232 and filter plate body
2233 one hollow cavity 2236 of composition.The filtration of filter cloth 2231, intermediate wedge filter screen 2232 is as filtering skeleton, when one
When individual squeeze job circulation ends, compressed air makes filter cloth 2231 by the air inlet hollow cavity 2236 of compressed air inlet 2235
It is flared out, further compresses sludge, while compressed air passes through filter cloth 2231, through sludge, the surface of stripping mud granule
Water is adsorbed, so that sludge drying.
Further, as shown in Fig. 3, Fig. 4 and Fig. 5, left filter 221 is by left filter cloth 2211, left wedge-shaped filter screen 2212, left outside
Shrouding 2213 and left liquid outlet 2215 are constituted, and left filter cloth 2211, left wedge-shaped filter screen 2212 and left outside shrouding 2213 formation one are sealed
Left filtrate chamber 2214.Right filter 223 and the left symmetrical configuration of filter 221, right filter 223 is by right filter cloth 2231, right wedge
Shape filter screen 2232, right outer shrouding 2233 and right liquid outlet 2235 are constituted, right filter cloth 2231, right wedge-shaped filter screen 2232 and right outer shrouding
2233 form the right filtrate chamber 2234 of a sealing.
Further, extrusion dehydration room 22 also includes opening device 224, and opening device 224 is by unlatching oil cylinder（Or cylinder）
2241st, left connecting rod 2242, right connecting rod 2243, hinged seat 2244 are constituted, and left connecting rod 2242 is hinged with left filter 221, right connecting rod
2243 are hinged with right filter 223, when unlatching oil cylinder（Or cylinder）When 2241 piston rod stretches out, left filter 221 and right mistake
Filter plate 223 is closed, when unlatching oil cylinder（Or cylinder）When 2241 piston rod is retracted, left filter 221 and right filter 223 are outside
Open discharging.
Further, extrusion dehydration room 22 also includes locking device 225, and locking device 225 is by locking cylinder（Or cylinder）
2251st, locking pin 2252 is constituted, and left filter 221 is provided with right locking ear provided with left locking lug plate holes 2215, right filter 223
Plate hole 2235, locking cylinder（Or cylinder）When 2251 piston rod stretches out or retracted, locking pin 2252 is driven to insert or exit a left side
Lug plate holes 2215 and right locking lug plate holes 2235 are locked, left filter 221 and right filter 223 is closed or is opened.
A kind of sludge concentration and dewatering desiccation integral processing method, comprises the following steps：
Step one：Primary concentration dehydration, desiccation：Pending sludge is delivered to sludge concentration device 1, it is dense by sludge
First helical axis 12 of compression apparatus 1 carries out preliminary extruding to sludge and drives sludge to wedge-shaped filter screen 11, and sludge is passed sequentially through
Sewage of low concentration fillter section 111 filters most of Free water, sludge condensation section 112 and filters remaining Free water and sludge extruded segment
113 filter partial interior water, and mud granule and water are separated；
Step 2：Secondary concentration dehydration, desiccation：It is dehydrated by primary concentration, the sludge that drying and other treatment is crossed is delivered to sludge
Deep dehydrator 2, is conveyed and is extruded to extrusion dehydration room 22 by helical feed with extruding all-in-one 21, de- in extruding
In hydroecium 22, when left filter 221 and the closure of right filter 223, the surface adsorption water of compressed air stripping mud granule makes
Sludge drying, while filtrate is discharged, when left filter 221 and right filter 223 are flared out, you can be met moisture content
It is required that sludge.
Further, in step one：The rotary speed of first helical axis 12 is controlled in 1.5-3.5r/min；
Further, in step 2：Helical feed and the toggle speed of the second helical axis 211 of extruding all-in-one 21 exist
7r/min, after sludge is filled up in extrusion dehydration room 2, starts dehydration；As pressure increases, the rotary speed of the second helical axis 211
Gradually reduce, when rotary speed is reduced to 1.5r/min, intermediate filtered plate 223 is passed through compressed air, and compressed air stripping is dirty
The surface adsorption water of mud particle；Compressed air pressure is 0.7-1MPa.
The present apparatus sets two-stage thickening, desiccation apparatus, and sewage of low concentration or sludge are concentrated de- by the first order first
The filtering of water installations, concentration, squeezing action, remove its most Free water, can make the sewage or sludge condensation of high-moisture percentage
Into the sludge that moisture content is 80-85%；Screw extrusion by second level dehydration and drying device of sludge after concentration, compressed air
Extruding, the effect of compressed air stripping, remove the surface water of mud granule, internal junction Heshui, desiccation is less than 50% into moisture content
Sludge, reaches the water content requirement required by the terminal processes such as landfill yard, burning station.
The above, is only presently preferred embodiments of the present invention, and not the technical scope of the present invention is imposed any restrictions,
Therefore the change or modification that claim under this invention and specification are done in every case, it should all belong to the scope that patent of the present invention covers
Within.
Claims (10)
1. a kind of sludge concentration and dewatering desiccation integral processing unit, it is characterised in that：It is deep including sludge concentration device and sludge
Spend dehydration device；Sludge concentration device connects sludge deep dehydrator, and the sludge concentration device includes wedge-shaped filter screen and rotation
The first helical axis turned, the wedge-shaped filter screen includes sewage of low concentration fillter section, sludge condensation section and sludge extruded segment；Low concentration
Sewage water filtration section, sludge condensation section and sludge extruded segment be sequentially connected, varying pitch again variable diameters the first helical axis include center
Axle, the first rubber ring and the first helical blade, the first helical blade are installed on center shaft, and the first rubber ring is enclosed in the first spiral shell
Between vane piece and wedge-shaped filter screen；The sludge deep dehydrator includes helical feed and extruding all-in-one and extrusion dehydration
Room, the helical feed includes the second helical axis of the second helical blade, conveying housing and varying pitch, second with extruding all-in-one
Helical blade is arranged on the second helical axis, and the extrusion dehydration room includes left filter, right filter and intermediate filtered plate, left
Filter and right filter are flared out or inwardly closed using intermediate filtered plate as axle.
2. a kind of sludge concentration and dewatering desiccation integral processing unit according to claim 1, it is characterised in that：The dirt
Mud enrichment facility also includes charging aperture, discharging opening and spiral axial brake device, and the discharging opening includes discharging pressing plate, compression bullet
Spring, stop collar and spacing regulating bolt.
3. a kind of sludge concentration and dewatering desiccation integral processing unit according to claim 1, it is characterised in that：The dirt
Mud deep dehydrator also includes drive device and the feed hopper being connected with sludge concentration device, and feed hopper connects with conveying housing
Connect, be connected between drive device and the second helical axis by bearing block, the bearing block includes a pair of circular cones installed back-to-back
Roller bearing.
4. a kind of sludge concentration and dewatering desiccation integral processing unit according to claim 1 or 2 or 3, it is characterised in that：
Intermediate filtered plate is made up of filter cloth, intermediate wedge filter screen, filter plate body, filtrate (liquid and compressed air inlet, filter cloth, intermediate wedge
Filter screen and filter plate body constitute a hollow cavity.
5. a kind of sludge concentration and dewatering desiccation integral processing unit according to claim 1, it is characterised in that：Left filtering
Plate is made up of left filter cloth, left wedge-shaped filter screen, left outside shrouding and left liquid outlet, and left filter cloth, left wedge-shaped filter screen and left outside shrouding are formed
The left filtrate chamber of one sealing；Right filter is made up of right filter cloth, right wedge-shaped filter screen, right outer shrouding and right liquid outlet, right filter cloth, the right side
The right filtrate chamber of wedge-shaped filter screen and right covering plate shape into a sealing.
6. a kind of sludge concentration and dewatering desiccation integral processing unit according to claim 1, it is characterised in that：Extruding is de-
Hydroecium also includes opening device, and opening device is made up of unlatching oil cylinder or cylinder, left connecting rod, right connecting rod, hinged seat, left connecting rod and
Left filter is hinged, and right connecting rod and right filter are hinged, when the piston rod for opening oil cylinder or cylinder stretches out, left filter and the right side
Plate closing is filtered, when the piston rod for opening oil cylinder or cylinder is retracted, left filter and right filter are flared out discharging.
7. a kind of sludge concentration and dewatering desiccation integral processing unit according to claim 1, it is characterised in that：Extruding is de-
Hydroecium also includes locking device, and locking device is made up of locking cylinder or cylinder, locking pin, and left filter is provided with left locking ear
Plate hole, right filter is provided with right locking lug plate holes, during the piston rod stretching of locking cylinder or cylinder, drives locking pin to insert left lock
Tight lug plate holes and right locking lug plate holes, make left filter and right filtering plate closing, during the piston rod retraction of locking cylinder or cylinder,
Drive locking pin to exit left locking lug plate holes and right locking lug plate holes, open left filter and right filter.
8. a kind of sludge concentration and dewatering desiccation integral processing method, it is characterised in that：Comprise the following steps：
Step one：Primary concentration is dehydrated：Pending sludge is delivered to sludge concentration device, passes through the of sludge concentration device
One helical axis carries out preliminary extruding to sludge and drives sludge to wedge-shaped filter screen, and sludge passes sequentially through sewage of low concentration fillter section
Filter most of Free water, sludge condensation section filters remaining Free water and sludge extruded segment filters partial interior water, by sludge
Grain is separated with water；
Step 2：Two grades of deep dehydrations, desiccation：The sludge crossed by primary concentration dewater treatment is delivered to deeply dehydrating sludge dress
Put, conveyed and extruded to extrusion dehydration room with extruding all-in-one by helical feed, in extrusion dehydration room, when left filtering
When plate and right filtering plate closing, the surface adsorption water of compressed air stripping mud granule makes sludge drying, while filtrate is discharged,
When left filter and right filter are flared out, you can be met the sludge of water content requirement.
9. a kind of sludge concentration and dewatering desiccation integral processing method according to claim 8, it is characterised in that：In step
In one：The rotary speed of first helical axis is controlled in 1.5-3.5r/min.
10. a kind of sludge concentration and dewatering desiccation integral processing method according to claim 8, it is characterised in that：In step
In rapid two：The toggle speed of second helical axis of the helical feed with extruding all-in-one is in 7r/min, when dirt is filled up in extrusion dehydration room
After mud, start dehydration；As pressure increases, the rotary speed of the second helical axis is gradually reduced, when rotary speed is reduced to 1.5r/
During min, intermediate filtered plate is passed through compressed air, the surface adsorption water of compressed air stripping mud granule；Compressed air pressure is
0.7-1Mpa。
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| CN201610544749.1A CN106396331B (en) | 2016-07-12 | 2016-07-12 | A kind of sludge concentration and dewatering desiccation integral processing unit and its processing method |
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| CN201610544749.1A CN106396331B (en) | 2016-07-12 | 2016-07-12 | A kind of sludge concentration and dewatering desiccation integral processing unit and its processing method |
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| CN107379605A (en) * | 2017-07-13 | 2017-11-24 | 四川汇邦环保科技有限公司 | Squash type manure of livestock and poultry separating dry space from moist space machine |
| CN107989103B (en) * | 2017-12-07 | 2020-11-27 | 徐州中知知识产权服务有限公司 | Silt cleaning device in coal mine sump |
| CN109485224B (en) * | 2018-12-27 | 2020-04-14 | 山东祥桓环保工程有限公司 | Vacuum screw shaft bag filter |
| CN112851078A (en) * | 2021-03-26 | 2021-05-28 | 中船重工重庆智能装备工程设计有限公司 | Automatic medicine adding device and spiral extrusion dewatering system |
| CN113087340B (en) * | 2021-04-02 | 2021-12-28 | 河北科力汽车装备股份有限公司 | Sludge heatless drying treatment device and method |
| CN116040906B (en) * | 2023-02-11 | 2024-03-12 | 郑州国研环保科技有限公司 | Deep dehydration equipment for sludge reduction treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100308407B1 (en) * | 1999-05-20 | 2001-11-07 | - | Drainage sludge dehydration and dry system |
| DE102007027032B3 (en) * | 2007-06-08 | 2008-08-07 | Larox Oyj | Assembly to filter a suspension has a filter plate with a filling shoe and a filter chamber releasing the filter fabric for removal when opened |
| CN201050927Y (en) * | 2007-06-19 | 2008-04-23 | 上海瑞惠机械设备制造有限公司 | Screw type extruding desiccation machine |
| CN102814063A (en) * | 2012-08-14 | 2012-12-12 | 佛山市金凯地过滤设备有限公司 | Pressure filter and pressure filtration method thereof |
| CN103896474B (en) * | 2014-03-13 | 2016-07-06 | 江苏道科环境科技有限公司 | A kind of mud effective dehydrating method |
| CN205774028U (en) * | 2016-07-12 | 2016-12-07 | 厦门威迪思汽车设计服务有限公司 | A kind of sludge concentration and dewatering desiccation integral processing means |
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