CN107382024A - A kind of folded spiral shell formula sludge condensation system and its method for concentration - Google Patents
A kind of folded spiral shell formula sludge condensation system and its method for concentration Download PDFInfo
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- CN107382024A CN107382024A CN201710425568.1A CN201710425568A CN107382024A CN 107382024 A CN107382024 A CN 107382024A CN 201710425568 A CN201710425568 A CN 201710425568A CN 107382024 A CN107382024 A CN 107382024A
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- sludge
- mixing channel
- spiral shell
- motor
- flocculation mixing
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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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of folded spiral shell formula sludge condensation system and its method for concentration, including sludge-tank, flocculation mixing channel, folded spiral shell formula thickener, the first automatic bubble medicine device and the second automatic bubble medicine device, sludge-tank connects flocculation mixing channel by shredding machine, the mixing channel that flocculates includes the first flocculation mixing channel and the second flocculation mixing channel, first flocculation mixing channel and the second flocculation mixing channel connect the first automatic bubble medicine device and the second automatic bubble medicine device respectively, the second folded spiral shell formula thickener of flocculation mixing channel connection, folds spiral shell formula thickener connection mud cake collecting pit.Its method for concentration includes：Sludge mix and chopping, medicament flocculation and thickening.The concentrating process step of the present invention is simple, processing speed is fast, effect is good, it has been inherently eliminated the possibility blocked, reduce the construction scale of whole processing technology, reduce operation and maintenance management cost, under full-automatic continuous service condition, efficient flocculating is realized, is continuously finished sludge concentration and dewatering work.
Description
Technical field
The present invention relates to a kind of folded spiral shell formula sludge condensation system and its method for concentration.
Background technology
Treatment of Sludge be sludge is concentrated, be quenched, dehydration, stably, minimizing, stabilisation, the nothing such as desiccation or burning
The process of evilization.With reinforcement and people further the recognizing to existing specific resistance to filtration technical limitation of environmentally friendly dynamics
Know, sludge disposal technology is developed faster.
But sludge treatment device floor space of the prior art is larger, processed in units amount is limited, therefore reduces dirt
The treatment effeciency of mud, and the blocking of pipeline is easily caused, influence the normal operation of Treatment of Sludge.
The content of the invention
Present invention aims at for present in prior art deficiency and provide a kind of folded spiral shell formula sludge condensation system and
The technical scheme of its method for concentration, concentrating process step of the invention is simple, and processing speed is fast, effect is good, is inherently eliminated
The possibility blocked, the construction scale of whole processing technology is reduced, reduce operation and maintenance management cost, automatically connecting
Under the conditions of reforwarding row, efficient flocculating is realized, is continuously finished sludge concentration and dewatering work.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of folded spiral shell formula sludge condensation system, it is characterised in that：Including sludge-tank, flocculation mixing channel, folded spiral shell formula thickener,
First automatic bubble medicine device and the second automatic bubble medicine device, sludge-tank connect flocculation mixing channel by shredding machine, and flocculate mixing channel
Including the first flocculation mixing channel and the second flocculation mixing channel, the first flocculation mixing channel and the second flocculation mixing channel connect first respectively
Automatic bubble medicine device and the second automatic bubble medicine device, between the first automatic bubble medicine device and the first flocculation mixing channel, second automatic
Dosing pump is provided between bubble medicine device and the second flocculation mixing channel, the second folded spiral shell formula thickener of flocculation mixing channel connection, is folded
Spiral shell formula thickener connects mud cake collecting pit, and folded spiral shell formula thickener connects the first flocculation mixing tank and former pond respectively, and former pond is led to
Cross delivery pump connection sludge-tank；, can be effectively by sludge by the way that shredding machine is connected between sludge-tank and flocculation mixing channel
The impurity of middle larger diameter particle is shredded, and prevents from resulting in blockage to pipeline, while it is dense to folded spiral shell formula to reduce granule foreign
The influence of contracting machine, the service life of whole concentration systems is extended, the design of secondary dosing flocculation, sludge can be effectively improved
Flocculating effect, accelerate precipitation of the sludge in the mixing channel that flocculates, improve the efficiency of sludge concentration and dewatering, while dirt can be increased
The treating capacity of mud.
Further, the first flocculation mixing channel and the second flocculation mixing channel include cell body, and the left side top of cell body is provided with
Supporting plate, dredging tube is fixed with supporting plate, discharge nozzle is provided with its right end face of cell body, the first valve is provided with discharge nozzle
Door, the front and rear sides of cell body are symmetrically arranged with chute, are moved on chute and be connected with agitating device, by the way that dredging tube is fixed on into branch
On fagging, it is possible to achieve convey sludge to steady and continuous, the sludge after flocculation can discharge through discharge nozzle, and the first valve is used for
Control the rate of outflow of sludge.
Further, agitating device includes elevating mechanism and rabbling mechanism, and elevating mechanism includes sliding block, cantilever, screw mandrel and the
One motor, for sliding block mobile link on chute, cantilever is located at the top of sliding block, and the first motor is fixedly connected on the bottom of sliding block,
Sliding block connects a cantilever by screw mandrel, and another cantilever is connected between two cantilevers by rotating shaft by guide rod connection sliding block
Connect, the end of rotating shaft is connected with the second motor, and the second motor is fixedly connected on the end of cantilever, and rabbling mechanism can be in lift
Moved left and right in the presence of structure, the sludge inside cell body and medicine are stirred, accelerate the precipitation of sludge, the first motor driven
Screw mandrel is rotated, and then adjusts the height and position of cantilever, and height regulation is carried out to rabbling mechanism, and the second motor is driven by rotating shaft and stirred
Mechanism rotation is mixed, the stirring angle to rabbling mechanism is adjusted.
Further, rabbling mechanism includes agitating paddle, the 3rd motor and locating piece, and the 3rd motor is fixedly connected with locating piece, stirred
Mix oar to be rotatably connected on the 3rd motor, the 3rd motor rotates with locating piece, while drives agitating paddle to rotate, inside cell body
Sludge is stirred.
Further, folding spiral shell formula thickener includes body and the 4th motor, and two screw rods are arranged with parallel in body, screw rod
Top is provided with driven gear, and the 4th motor is located at the top of body, is connected with driving gear on the 4th motor, driving gear
It is intermeshed with driven gear, is provided with feed hopper on the top side of body, the bottom both sides of body are respectively arranged with solid
Excretory duct and liquid output pipe, the second valve is provided with liquid output pipe, support is provided with the lateral surface of body, passes through
Four screw rods of motor driven two are rotated simultaneously, and the efficiency of sludge concentration and dewatering is improved in the case where consumption electric energy is equal, with
The design of single rotary drum is more notable compared to dehydration concentrated effect in the prior art, and the liquid after concentration flows out from liquid output pipe,
And solid is then discharged into mud cake collecting tank by solids pipe, it is easy to uniformly recycle.
Further, wearing layer is provided with the medial surface of body, wearing layer effectively increases cylinder block strength, reduces abrasion,
Extend the service life of folded spiral shell formula thickener.
Further, screen pack is provided with liquid output pipe, screen pack can effectively prevent the sludge after concentration from entering liquid
Body delivery pipe and result in blockage.
A kind of method for concentration of folded spiral shell formula sludge condensation system described above, it is characterised in that comprise the following steps：
1) sludge mix and chopping
A, undressed sludge is delivered in sludge-tank first, while it is dilute to be passed through the progress mix of the water in former pond
Release, remove impurity of the particle diameter more than 25~30mm by screen pack during mix；
B, and then by sludge after filtering shredding machine is delivered to by delivery pipe, controls the rotating speed of shredding machine in 180r/
Min~255r/min；
2) medicament flocculates
A, the sludge after chopping is delivered in the first flocculation mixing channel by dredging tube, while opens first and steep medicine automatically
Medicament in first automatic bubble medicine device is delivered to the first flocculation with 1.2~1.8L/min speed and mixed by device, dosing pump
In groove, then rotated by the first motor drives screw mandrel, make cantilever drive rabbling mechanism to be moved to the flocculation mixing channel of distance first
At the 0.5m of top, then start the second motor, rotating shaft is driven rabbling mechanism rotation, until rabbling mechanism is straight down, then open
Dynamic 3rd motor, rotates agitating paddle, during the first motor control rabbling mechanism moves up and down, by sliding block along cunning
Groove moves back and forth, and agitating paddle is stirred the sludge in the first flocculation mixing channel with medicament；
B, after the mixing time in the first flocculation mixing channel reaches 10~15min, the first valve on discharge nozzle is opened,
The sludge in the first flocculation mixing channel is delivered in the second flocculation mixing channel, and open second and steep medicine device, dosing pump automatically
Medicament in second automatic bubble medicine device is delivered in the second flocculation mixing channel with 1.5~2.0L/min speed, Ran Houtong
The rotation of the first motor drives screw mandrel is crossed, makes cantilever drive rabbling mechanism to be moved to above the flocculation mixing channel of distance second at 0.5m,
Then start the second motor, rotating shaft is driven rabbling mechanism rotation, until rabbling mechanism straight down, restarts the 3rd motor,
Agitating paddle is rotated, during the first motor control rabbling mechanism moves up and down, is moved back and forth by sliding block along chute,
Agitating paddle is set to stir the sludge in the second flocculation mixing channel with medicament；
C, the sludge after secondary dosing flocculation is delivered in folded spiral shell formula thickener；
3) thickening
A, the sludge after dosing flocculation is entered in folded spiral shell formula thickener by feed hopper, is started the 4th motor, is made driving tooth
Wheel drives driven gear rotation, and then with two screw rods rotation inside fold spiral shell formula thickener, sludge is in the presence of deadweight
Drop downwards, at the same two screw rods by periphery sludge bring screw rod between, increase sludge between extruding force, realize sludge
Thickening is extruded, the moisture in sludge is then flowed downward along the inwall of body, and the first flocculation is branched to through liquid output pipe
In mixing channel and former pond；
B, after sludge is forced into the bottom of body, discharge, prevent pair from solids pipe by mud cake in the presence of screw rod
Liquid output pipe results in blockage.
The present invention is by adopting the above-described technical solution, have the advantages that：
1st, can be effectively by larger diameter in sludge by the way that shredding machine is connected between sludge-tank and flocculation mixing channel
The impurity of particle is shredded, and prevents from resulting in blockage to pipeline, while reduces influence of the granule foreign to folded spiral shell formula thickener,
Extend the service life of whole concentration systems；
2nd, the design of secondary dosing flocculation, the flocculating effect of sludge can be effectively improved, accelerates sludge in flocculation mixing channel
In precipitation, improve the efficiency of sludge concentration and dewatering, while the treating capacity of sludge can be increased；
3rd, rotated simultaneously by two screw rods of the 4th motor driven, it is dense to improve sludge in the case where consumption electric energy is equal
Contract the efficiency of dehydration, and dehydration concentrated effect is more notable with the design of single rotary drum in the prior art compared with, liquid after concentration from
Liquid output pipe is flowed out, and solid is then discharged into mud cake collecting tank by solids pipe, is easy to uniformly recycle；
4th, concentrating process step of the invention is simple, and processing speed is fast, effect is good, be inherently eliminated block can
Can, the construction scale of whole processing technology is reduced, reduces operation and maintenance management cost, in full-automatic continuous service condition
Under, efficient flocculating is realized, is continuously finished sludge concentration and dewatering work, the process runs well, effect are good, overcome belt type dehydration
Machine, frame plate type pressure filter easily block, power consumption headlight shortcoming, meet sewage sludge harmlessness, minimizing, recycling to greatest extent
The demand of processing.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the flow chart of concentration systems in a kind of folded spiral shell formula sludge condensation system of the present invention and its method for concentration；
Fig. 2 is the structural representation of the first flocculation mixing channel and the second flocculation mixing channel in the present invention；
Fig. 3 is the structural representation that spiral shell formula thickener is folded in the present invention.
In figure：1- sludge-tanks；2- shredding machines；The flocculation mixing channels of 3- first；The flocculation mixing channels of 4- second；5- folds the concentration of spiral shell formula
Machine；6- mud cake collecting pits；7- first steeps medicine device automatically；8- second steeps medicine device automatically；9- former ponds；10- delivery pumps；11-
Dosing pump；12- cell bodies；13- supporting plates；14- dredging tubes；15- chutes；16- sliding blocks；17- cantilevers；The motors of 18- first；19- silks
Bar；20- guide rods；21- rotating shafts；The motors of 22- second；23- locating pieces；The motors of 24- the 3rd；25- agitating paddles；26- discharge nozzles；
The valves of 27- first；28- bodies；29- wearing layers；30- supports；31- feed hoppers；32- screw rods；The motors of 33- the 4th；34- driving tooths
Wheel；35- driven gears；36- solids pipes；37- liquid output pipes；The valves of 38- second；39- screen packs.
Embodiment
As shown in Figure 1 to Figure 3, be a kind of folded spiral shell formula sludge condensation system of the present invention, including sludge-tank 1, flocculation mixing channel,
Automatically bubble medicine device 7 and second steeps medicine device 8 to folded spiral shell formula thickener 5, first automatically, and sludge-tank 1 is connected by shredding machine 2 to flocculate
Mixing channel, flocculation mixing channel include the first flocculation flocculation mixing channel 4 of mixing channel 3 and second, and the first flocculation mixing channel 3 and second is wadded a quilt with cotton
Solidifying mixing channel 4 connects the first automatic bubble medicine device 7 and second bubble medicine device 8 automatically respectively, and the first flocculation mixing channel 3 and second is wadded a quilt with cotton
Solidifying mixing channel 4 includes cell body 12, and the left side top of cell body 12 is provided with supporting plate 13, dredging tube is fixed with supporting plate 13
14, discharge nozzle 26 is provided with its right end face of cell body 12, is provided with the first valve 27 on discharge nozzle 26, front and rear the two of cell body 12
Side is symmetrically arranged with chute 15, is moved on chute 15 and is connected with agitating device, by the way that dredging tube 14 is fixed in supporting plate 13,
Sludge is conveyed while steady and continuous can be realized, the sludge after flocculation can discharge through discharge nozzle 26, and the first valve 27 is used to control
The rate of outflow of sludge processed, agitating device include elevating mechanism and rabbling mechanism, and elevating mechanism includes sliding block 16, cantilever 17, silk
The motor 18 of bar 19 and first, for the mobile link of sliding block 16 on chute 15, cantilever 17 is located at the top of sliding block 16, and the first motor 18 is solid
Surely the bottom of sliding block 16 is connected to, sliding block 16 connects a cantilever 17 by screw mandrel 19, and another cantilever 17 passes through guide rod 20
Connection sliding block 16, connected by rotating shaft 21 between two cantilevers 17, the end of rotating shaft 21 is connected with the second motor 22, the second motor
22 are fixedly connected on the end of cantilever 17, and rabbling mechanism can move left and right in the presence of elevating mechanism, inside cell body 12
Sludge and medicine stir, accelerate the precipitation of sludge, the first motor 18 drives screw mandrel 19 to rotate, and then adjusts cantilever 17
Height and position, height regulation is carried out to rabbling mechanism, the second motor 22 drives rabbling mechanism to rotate by rotating shaft 21, to mixer
The stirring angle of structure is adjusted, and rabbling mechanism includes agitating paddle 25, the 3rd motor 24 and locating piece 23, and the 3rd motor 24 is fixed
Locating piece 23 is connected, agitating paddle 25 is rotatably connected on the 3rd motor 24, and the 3rd motor 24 rotates with locating piece 23, drives simultaneously
Agitating paddle 25 is rotated, and the sludge inside cell body 12 is stirred.
First automatic bubble medicine device 7 and first flocculates between mixing channel 3, the second automatic bubble medicine device 8 and second flocculation is mixed
Dosing pump 11, the second folded spiral shell formula thickener 5 of the flocculation connection of mixing channel 4 are provided between conjunction groove 4, folded spiral shell formula thickener 5 connects
Mud cake collecting pit 6, folded spiral shell formula thickener 5 include the motor 33 of body 28 and the 4th, two screw rods 32 are arranged with parallel in body 28,
The top of screw rod 32 is provided with driven gear 35, and the 4th motor 33 is located at the top of body 28, is connected with the 4th motor 33
Driving gear 34, driving gear 34 are intermeshed with driven gear 35, and feed hopper 31, machine are provided with the top side of body 28
The bottom both sides of body 28 are respectively arranged with solids pipe 36 and liquid output pipe 37, and the second valve is provided with liquid output pipe 37
Door 38, support 30 is provided with the lateral surface of body 28, drive two screw rods 32 to rotate simultaneously by the 4th motor 33, consuming
The efficiency of sludge concentration and dewatering is improved in the case that electric energy is equal, is dehydrated compared with the design of single rotary drum in the prior art dense
Contracting effect is more notable, and the liquid after concentration flows out from liquid output pipe 37, and solid is then discharged into mud cake by solids pipe 36
In collecting tank, it is easy to uniformly recycle, wearing layer 29 is provided with the medial surface of body 28, wearing layer 29 effectively increases machine
The intensity of body 28, abrasion is reduced, extends the service life of folded spiral shell formula thickener 5, screen pack 39 is provided with liquid output pipe 37,
Screen pack 39 can effectively prevent the sludge after concentration from entering liquid delivery tube and resulting in blockage, and folded spiral shell formula thickener 5 connects respectively
The first flocculation mixing tank and former pond 9 are connect, former pond 9 connects sludge-tank 1 by delivery pump 10；By the way that shredding machine 2 is connected to
Between sludge-tank 1 and flocculation mixing channel, effectively the impurity of larger diameter particle in sludge can be shredded, be prevented to pipe
Road results in blockage, while reduces influence of the granule foreign to folded spiral shell formula thickener 5, and extend whole concentration systems uses the longevity
Life, the design of secondary dosing flocculation, the flocculating effect of sludge can be effectively improved, accelerates sludge heavy in the mixing channel that flocculates
Form sediment, improve the efficiency of sludge concentration and dewatering, while the treating capacity of sludge can be increased.
A kind of method for concentration of folded spiral shell formula sludge condensation system described above, comprises the following steps：
1) sludge mix and chopping
A, undressed sludge is delivered in sludge-tank 1 first, while the water progress mix being passed through in former pond 9 is dilute
Release, remove impurity of the particle diameter more than 25~30mm by screen pack during mix；
B, and then by sludge after filtering by delivery pipe shredding machine 2 is delivered to, the rotating speed of control shredding machine 2 exists
180r/min~255r/min；
2) medicament flocculates
A, the sludge after chopping is delivered in the first flocculation mixing channel 3 by dredging tube 14, while it is automatic to open first
Medicine device 7 is steeped, the medicament in the first automatic bubble medicine device 7 is delivered to first by dosing pump 11 with 1.2~1.8L/min speed
Flocculate in mixing channel 3, then drive screw mandrel 19 to rotate by the first motor 18, make cantilever 17 drive rabbling mechanism to be moved to distance
At first flocculation mixing channel 3 top 0.5m, then start the second motor 22, rotating shaft 21 is driven rabbling mechanism rotation, until stirring
Mix mechanism straight down, restart the 3rd motor 24, rotate agitating paddle 25, moved down on the first motor 18 control rabbling mechanism
In dynamic process, moved back and forth by sliding block 16 along chute 15, make agitating paddle 25 to first flocculation mixing channel 3 in sludge with
Medicament stirs；
B, after the mixing time in the first flocculation mixing channel 3 reaches 10~15min, the first valve on discharge nozzle 26 is opened
Door 27, makes the sludge in the first flocculation mixing channel 3 be delivered in the second flocculation mixing channel 4, and opens second and steep medicine device automatically
8, the medicament in the second automatic bubble medicine device 8 is delivered to the second flocculation with 1.5~2.0L/min speed and mixed by dosing pump 11
In groove 4, then drive screw mandrel 19 to rotate by the first motor 18, make cantilever 17 drive rabbling mechanism to be moved to distance second and flocculate
At the top 0.5m of mixing channel 4, then start the second motor 22, rotating shaft 21 is driven rabbling mechanism rotation, until rabbling mechanism erects
It is straight to restart the 3rd motor 24 downwards, rotate agitating paddle 25, in the process that the first motor 18 control rabbling mechanism moves up and down
In, moved back and forth by sliding block 16 along chute 15, agitating paddle 25 is stirred the sludge in the second flocculation mixing channel 4 with medicament
Uniformly；
C, the sludge after secondary dosing flocculation is delivered in folded spiral shell formula thickener 5；
3) thickening
A, the sludge after dosing flocculation enters in folded spiral shell formula thickener 5 (folded spiral shell formula thickener and centrifugation by feed hopper 31
The contrast of dewaterer technology is as shown in table 1), start the 4th motor 33, make driving gear 34 drive driven gear 35 to rotate, and then band
Two screw rods 32 inside fold spiral shell formula thickener 5 rotate, and sludge drops downwards in the presence of deadweight, while two screw rods 32
Between bringing the sludge of periphery into screw rod 32, increase the extruding force between sludge, realize the extruding thickening of sludge, in sludge
Moisture then flowed downward along the inwall of body 28, branch to the first flocculation mixing channel 3 and former pond 9 through liquid output pipe 37
In；
B, after sludge is forced into the bottom of body 28, mud cake is discharged from solids pipe 36 in the presence of screw rod 32,
Prevent from resulting in blockage to liquid output pipe 37.
| Contrast project | Folded spiral shell formula thickener | Centrifugal dehydrator |
| Power consumption | It is considerably less | Greatly |
| Sludge concentration tank | Need not | Need |
| Clean shower water consumption | It is considerably less | It is small |
| Running noise, vibrations | It is small | Greatly |
| Moisture content of the cake | ≤ 45% | >=80% |
| Treatment of Sludge rate | >=95% | 80~90% |
Table 1 is folded spiral shell formula thickener and contrasted with centrifugal dehydrator technology
The specific embodiment of the present invention is these are only, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, to realize essentially identical technique effect, made ground simple change, equivalent substitution or modification etc., all cover
Among protection scope of the present invention.
Claims (8)
- A kind of 1. folded spiral shell formula sludge condensation system, it is characterised in that：Including sludge-tank, flocculation mixing channel, folded spiral shell formula thickener, the One automatic bubble medicine device and the second automatic bubble medicine device, the sludge-tank connects the flocculation mixing channel by shredding machine, described The mixing channel that flocculates includes the first flocculation mixing channel and the second flocculation mixing channel, the first flocculation mixing channel and second flocculation Mixing channel connects the described first automatic bubble medicine device and the second automatic bubble medicine device, the described first automatic bubble medicine device respectively It is provided between the described first flocculation mixing channel, between the second automatic bubble medicine device and the second flocculation mixing channel Dosing pump, the second flocculation mixing channel connect the folded spiral shell formula thickener, and the folded spiral shell formula thickener connects mud cake collecting pit, The folded spiral shell formula thickener connects first flocculation mixing tank and former pond respectively, and the former pond connects institute by delivery pump State sludge-tank.
- A kind of 2. folded spiral shell formula sludge condensation system according to claim 1, it is characterised in that：The first flocculation mixing channel Include cell body with the described second flocculation mixing channel, the left side top of the cell body is provided with supporting plate, consolidated in the supporting plate Surely there is dredging tube, discharge nozzle is provided with its right end face of the cell body, the first valve, the groove are provided with the discharge nozzle The front and rear sides of body are symmetrically arranged with chute, are moved on the chute and are connected with agitating device.
- A kind of 3. folded spiral shell formula sludge condensation system according to claim 2, it is characterised in that：The agitating device includes rising Descending mechanism and rabbling mechanism, the elevating mechanism include sliding block, cantilever, screw mandrel and the first motor, and the sliding block mobile link exists On the chute, the cantilever is located at the top of the sliding block, and first motor is fixedly connected on the bottom of the sliding block, institute State sliding block and one cantilever is connected by the screw mandrel, another described cantilever connects the sliding block by guide rod, two Connected between the cantilever by rotating shaft, the end of the rotating shaft is connected with the second motor, and second motor is fixedly connected on The end of the cantilever.
- A kind of 4. folded spiral shell formula sludge condensation system according to claim 3, it is characterised in that：The rabbling mechanism includes stirring Oar, the 3rd motor and locating piece are mixed, the 3rd motor is fixedly connected with the locating piece, and the agitating paddle is rotatably connected on described On 3rd motor.
- A kind of 5. folded spiral shell formula sludge condensation system according to claim 1, it is characterised in that：The folded spiral shell formula thickener bag Body and the 4th motor are included, is arranged with two screw rods in the body in parallel, the top of the screw rod is provided with driven gear, 4th motor is located at the top of the body, and driving gear, the driving gear and institute are connected with the 4th motor Driven gear intermeshing is stated, is provided with feed hopper on the top side of the body, the bottom both sides of the body are set respectively Solids pipe and liquid output pipe are equipped with, is provided with the second valve on the liquid output pipe, on the lateral surface of the body It is provided with support.
- A kind of 6. folded spiral shell formula sludge condensation system according to claim 5, it is characterised in that：On the medial surface of the body It is provided with wearing layer.
- A kind of 7. folded spiral shell formula sludge condensation system according to claim 5, it is characterised in that：Set on the liquid output pipe It is equipped with screen pack.
- 8. a kind of method for concentration of folded spiral shell formula sludge condensation system as claimed in claim 1, it is characterised in that including following step Suddenly：1) sludge mix and choppingA, undressed sludge is delivered in sludge-tank first, while is passed through the water in former pond and carries out mix dilution, Impurity of the particle diameter more than 25~30mm is removed by screen pack during mix；B, and then by sludge after filtering shredding machine is delivered to by delivery pipe, control the rotating speed of shredding machine 180r/min~ 255r/min；2) medicament flocculatesA, the sludge after chopping is delivered in the first flocculation mixing channel by dredging tube, while opens first and steep medicine dress automatically Put, the medicament in the first automatic bubble medicine device is delivered to the first flocculation mixing channel by dosing pump with 1.2~1.8L/min speed In, then rotated by the first motor drives screw mandrel, make cantilever drive rabbling mechanism to be moved to distance first and flocculate on mixing channel At square 0.5m, then start the second motor, rotating shaft is driven rabbling mechanism rotation, until rabbling mechanism straight down, is restarted 3rd motor, rotates agitating paddle, during the first motor control rabbling mechanism moves up and down, by sliding block along chute Move back and forth, agitating paddle is stirred the sludge in the first flocculation mixing channel with medicament；B, after the mixing time in the first flocculation mixing channel reaches 10~15min, the first valve on discharge nozzle is opened, makes the Sludge in one flocculation mixing channel is delivered in the second flocculation mixing channel, and opens the second bubble medicine device automatically, and dosing pump is by the Medicaments in two automatic bubble medicine devices are delivered in the second flocculation mixing channel with 1.5~2.0L/min speed, then by the One motor drives screw mandrel rotates, and makes cantilever drive rabbling mechanism to be moved to above the flocculation mixing channel of distance second at 0.5m, then Start the second motor, rotating shaft is driven rabbling mechanism rotation, until rabbling mechanism straight down, restarts the 3rd motor, makes to stir Oar rotation is mixed, during the first motor control rabbling mechanism moves up and down, is moved back and forth by sliding block along chute, makes to stir Oar is mixed to stir to the sludge in the second flocculation mixing channel with medicament；C, the sludge after secondary dosing flocculation is delivered in folded spiral shell formula thickener；3) thickeningA, the sludge after dosing flocculation is entered in folded spiral shell formula thickener by feed hopper, is started the 4th motor, is made driving gear band Dynamic driven gear rotation, so it is downward in the presence of deadweight with two screw rods rotation inside fold spiral shell formula thickener, sludge Drop, at the same two screw rods by periphery sludge bring screw rod between, increase sludge between extruding force, realize the extruding of sludge Thickening, the moisture in sludge are then flowed downward along the inwall of body, and the first flocculation mixing is branched to through liquid output pipe In groove and former pond；B, after sludge is forced into the bottom of body, discharge, prevent from solids pipe by mud cake in the presence of screw rod Only liquid output pipe is resulted in blockage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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