CN109354371A - A kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment - Google Patents
A kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment Download PDFInfo
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- CN109354371A CN109354371A CN201811357555.6A CN201811357555A CN109354371A CN 109354371 A CN109354371 A CN 109354371A CN 201811357555 A CN201811357555 A CN 201811357555A CN 109354371 A CN109354371 A CN 109354371A
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- sludge
- mud
- pump
- filtrate
- filtrate collecting
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- 239000010802 sludge Substances 0.000 title claims abstract description 152
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 19
- 239000000706 filtrate Substances 0.000 claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000004140 cleaning Methods 0.000 claims abstract description 44
- 230000003068 static effect Effects 0.000 claims abstract description 36
- 238000004062 sedimentation Methods 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 19
- 230000018044 dehydration Effects 0.000 claims abstract description 12
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000006228 supernatant Substances 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 235000021110 pickles Nutrition 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 229920002396 Polyurea Polymers 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 4
- 150000002118 epoxides Chemical class 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 abstract description 7
- 239000002351 wastewater Substances 0.000 abstract description 4
- 230000013011 mating Effects 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000003814 drug Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920002401 polyacrylamide Polymers 0.000 description 4
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009510 drug design Methods 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000010801 sewage sludge Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241001408630 Chloroclystis Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Classifications
-
- 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
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
-
- 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
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention belongs to sludge dewatering technical fields.The invention discloses a kind of New Type of Sludge Dewatering systems for aluminum profile production wastewater treatment, including sludge pump, dosing pump, static mixer and belt mud dewatering equipment；Mud is delivered to static mixer from sludge concentration tank by sludge pump；Medical fluid is delivered to static mixer from chemicals dosing plant by dosing pump；Static mixer quickly mixes mud and medical fluid, and mud medical fluid mixed liquor is transported to belt mud dewatering equipment and is separated by solid-liquid separation；The filtrate isolated flows into filtrate collecting pit, and the supernatant in filtrate collecting pit flows into cleaning pond, and with the qualified discharge water for the sedimentation basin water outlet for flowing into cleaning pond together as flushing water, the filtrate of filtrate collecting pit lower part is back to sedimentation basin；The pug isolated is delivered to anhydration system through Shaftless screw conveyor.The present invention to aluminum profile production wastewater sludge dehydration be no longer limited to single sludge dewatering equipment, it can be achieved that resource and the energy Optimum utilization.
Description
Technical field
The present invention relates to a kind of sludge dewatering systems, and in particular to a kind of novel dirt for aluminum profile production wastewater treatment
Mud dewatering system belongs to sludge dewatering technical field.
Background technique
In recent years at present, as China's infrastructure invests on a large scale, process of industrialization quickly propels, Chinese aluminum profile
Industry is rapidly developed, and production scale, product quality are constantly promoted, and the yield and consumption figure of the whole industry are all rapidly increasing
It is long.The waste generated in aluminum profile industry production process is more, and wherein pollutant component is complicated, the especially fluorination in waste water
Object, chromium nickel heavy metal ion will affect human health, cannot be degraded, constantly be enriched in vivo, if not to aluminum profile by biology
Production waste water takes effective improvement, the not dangerous waste strict control to generating in wastewater treatment process, it is possible to surrounding enviroment
Irreversible harm is caused, constitutes serious threat to surrounding ecological environment.
Aluminum profile industry production wastewater treatment system is in sludge dewatering section frequently with traditional plate and frame filter press as sludge
Dehydration equipment, plate and frame filter press are run using intermittent mode, and replacement filter cloth is frequent, and troublesome in poeration, manpower consumption is larger.Band
Formula sludge dewatering equipment relies on the appropriate pressure drainage pressure mud of the inside and outside strainer operated between drainage roller and deflector roll, makes water from filter
The netted gap of band filters out, and dry mud is sent out by strainer, has mud-water separation high-efficient, the low spy of dewatered moisture percentage in sewage sludge
Point is widely used in sludge dewatering section by most enterprises at present and is dehydrated to sludge.
However, most enterprises are often confined to single sludge dewatering equipment when being dehydrated to sludge, not from whole
It is accounted on body, if sludge dewatering equipment is rinsed filter cloth frequently with tap water, water consumption is at high cost greatly, in addition, using
Single sludge dewatering equipment, which cannot achieve, utilizes the high efficiente callback of dehydration waste liquid, and the reasonably optimizing benefit of resource and the energy is not achieved
With.
Summary of the invention
For the problems of the prior art, it is de- that the present invention provides a kind of novel sludge for aluminum profile production wastewater treatment
Water system, the dewatering system include mutually matched sedimentation basin, sludge concentration tank, chemicals dosing plant, sludge pump, static mixer,
The optimization benefit of resource and the energy may be implemented in belt mud dewatering equipment, filtrate collecting pit, cleaning pond and Shaftless screw conveyor
With.
To realize the above technical purpose, the technical scheme is that
A kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment, including sedimentation basin, sludge concentration tank, plus
Medicine device, sludge pump, static mixer, belt mud dewatering equipment, filtrate collecting pit, cleaning pond and Shaftless screw conveyor；
The mud discharging mouth of the sedimentation basin is connected with sludge concentration tank, and the mud for precipitating bottom of pond portion is discharged into sludge concentration tank；The sludge
Concentration basin is connected by sludge carrier pipe with static mixer, and sludge carrier pipe is equipped with sludge pump, and sludge pump is by mud from dirt
Mud thickener is delivered to static mixer；The chemicals dosing plant is connected by medical fluid delivery pipe with static mixer, medical fluid conveying
Pipe is equipped with dosing pump, and medical fluid is delivered to static mixer from chemicals dosing plant by dosing pump；The static mixer passes through conveying
Pipe is connected with belt mud dewatering equipment, and static mixer is for quickly mixing mud and medical fluid, quilt after mud and medical fluid mixing
The belt mud dewatering equipment is delivered to be separated by solid-liquid separation；The filtrate collecting pit is for collecting through belt mud dewatering equipment point
The filtrate separated out, filtrate collecting pit side are equipped with cleaning pond, and the cleaning pond is connected with filtrate collecting pit by overflow pipe
Logical, cleaning pond is connected by delivery pipe with the water outlet of the water outlet of sedimentation basin and sludge concentration tank, in filtrate collecting pit
Supernatant flows into cleaning pond, and and flows into the qualified discharge water of the sedimentation basin, sludge concentration tank water outlet that clean pond together
As sludge dewatering equipment rinse water, the filtrate of filtrate collecting pit lower part is back to sedimentation basin and is precipitated again；It is described shaftless
Screw conveyor is connected with the mud mouth of belt mud dewatering equipment, and the pug isolated through belt mud dewatering equipment is through shaftless screw
Conveyer is delivered to anhydration system and carries out subsequent drying and other treatment.The present invention has rational design, by be arranged mutually matched sedimentation basin,
Sludge concentration tank, chemicals dosing plant, sludge pump, static mixer, belt mud dewatering equipment, filtrate collecting pit, cleaning pond and nothing
The Optimum utilization of resource and the energy may be implemented in screw conveyor shaft, saves production cost.Wherein, by setting by mud with
The static mixer of medicament mixing, and mating belt mud dewatering equipment are separated by solid-liquid separation after medicament being added to mud, are convenient for
Processing to mud improves solid-liquid separation effect；By the way that the filtrate collecting pit being connected with belt mud dewatering equipment is arranged, filtrate is received
The supernatant inflow of Ji Chi is arranged in the clear water reserviors in filtrate collecting pit, and acts as with sedimentation basin, concentration basin water outlet one up to standard
Belt mud dewatering equipment is rinsed for flushing water, instead of traditional tap water cleaning way, has saved great lot of water resources
And production cost, filtrate collecting pit lower part filtrate, which can be recycled to sedimentation basin, to be recycled, and remaining PAM can also be further in filtrate
It is reacted with the solid suspension in sewage of newly arriving, reinforces flocculating effect, reduce the dosage of flocculant to a certain extent；It is logical
Matched with the belt mud dewatering equipment Shaftless screw conveyor of setting is crossed, trickling down for sludge in transmission process can be prevented.
Preferably, the belt mud dewatering equipment bottom is provided with removable support pedestal, the bracket bottom
Filtrate collecting tank is equipped in seat, filtrate collecting tank is for the temporary filtrate isolated through belt mud dewatering equipment, filtrate collecting tank
Bottom part is obliquely installed, and the bracket base side wall is equipped with flange discharge outlet, and flange discharge outlet is located at filtrate collecting tank bottom
Portion lowest point, flange discharge outlet are connected by outlet tube with filtrate collecting pit.The present invention passes through at belt mud dewatering equipment bottom
Removable support pedestal is arranged in portion, and the large-scale production, rapid traverse and Ke Xunhuanliyong, saving of Equipment Foundations may be implemented
Equipment Foundations invest one third, and filtrate collecting tank is additionally equipped in pedestal, and filtrate collecting tank bottom part is obliquely installed
Guide functions can be played, are conducive to be pooled to the outflow of flange discharge outlet through the filtrate that belt mud dewatering equipment is isolated.
As further preferred scheme, the sludge dewatering system further includes clear for being cleaned to filtrate collecting tank
Cleaning device, the cleaning device include centrifugal pump, water inlet pipe, strut, outlet pipe and hydraulic thrust lever, and the centrifugal pump setting exists
On water inlet pipe, described water inlet pipe one end is placed in cleaning pond, and the other end passes through strut and is connected with outlet pipe, the outlet pipe
It is fixed below strut, is intervally distributed with several spray heads being obliquely installed on outlet pipe etc., spray head is towards filtrate collecting tank bottom
The inclination of portion's sloping portion, and the angle of spray head and vertical direction is less than the folder of filtrate collecting tank bottom angled part and vertical direction
Angle, the strut are moved back and forth in the horizontal direction by the drive of hydraulic thrust lever.The present invention is mating with filtrate collecting tank by being arranged
Cleaning device, filtrate collecting tank can be cleaned comprehensively, cleaning effect is good, clean without dead angle.
As further preferred scheme, the bracket base uses epoxide coal bituminous, epoxy resin or polyurea anti-corrosion material.
Number of days needed for reaching 80% or more the construction period of design strength compared to conventional concrete underlying strength is at least at 14-20 days, this hair
Bright middle submount material uses epoxide coal bituminous, epoxy resin or polyurea anti-corrosion, can will foreshorten to the time within 7 days, shortens comprehensively
Equipment prepares the duration.
Preferably, the belt mud dewatering equipment includes agitating device, driving motor, dehydration ontology, spray thrower
Structure, the agitating device is for the mud medical fluid after being stirred, and the dehydration ontology includes idler wheel and strainer, and idler wheel is by driving
Motor driven, strainer are wound around on idler wheel, for isolating the moisture in mud mixture, the spraying mechanism and cleaning pond
It is connected, for being cleaned to strainer.
As further preferred scheme, the strainer is spiral net strainer.The present invention is by being improved to spiral shell for belt structure
Web frame is revolved, since the gap of spiral net strainer is greatly and there are stereo layer, sludge is not easy to plug mesh, and moisture filter is fast, and high
The sludge of viscosity often forms one layer of sludge filtration layer on the grid of spiral net, and not only water filtration efficiency is high, but also strainer rushes
It washes conveniently.
Preferably, sludge carrier pipe includes sludge pump inlet ducts and sludge pump outlet conduit, sludge pump
Outlet conduit is equipped with regulating valve and the shunt valve that is connected with sludge concentration tank supernatant adjusted into mudflow amount, shunt valve
It is equipped with bypass valve and acid dip pickle.The present invention is by being arranged bypass and mating pipe valve, a side in sludge pump outlet conduit
Face can play the role of reasonable regulating system into mudflow amount, and still further aspect can also prevent the sludgd deposition of sludge concentration tank
Dirt is stifled.
Preferably, the sludge pump is sludge screw pump or pneumatic diaphragm pump.
Preferably, the liquidometer for detecting sludge concentration tank sludge quantity is equipped in the sludge concentration tank.
Preferably, the sludge dewatering system further includes that PLC control system is arranged with synchronous PLC control system
Touch screen, PLC control system and liquidometer, chemicals dosing plant, dosing pump, static mixer, belt mud dewatering equipment and shaftless spiral shell
It revolves conveyer to be connected, touch screen is for manually or automatically controlling entire sludge dewatering system, while each portion in real-time display system
Divide operating status and record operation data.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is the structural schematic diagram of belt mud dewatering equipment in the present invention；
Fig. 4 is the structural schematic diagram of bracket base in the present invention；
Fig. 5 is the structural schematic diagram of cleaning device in the present invention；
Fig. 6 is the structural schematic diagram of filtrate collecting pit and cleaning pond in the present invention；
Appended drawing reference:
1. 3100. sludge pump inlet ducts of sedimentation basin 20. sludge concentration tank, 3000. sludge carrier pipe 3200. are dirty
3222. acid dip pickle of dredge pump outlet conduit 3210. regulating valve, 3220. shunt valve, 3221. bypass valve, 4. sludge pump 5.
6. dosing pump of chemicals dosing plant, 7. static mixer, 800. belt mud dewatering equipment, 810. agitating device, 820. driving motor
830. dehydration 831. idler wheel of ontology, 832. strainer, 840. spraying mechanism, 850. bracket base, 851. filtrate collecting tanks 852.
Sliding rail 853. flange discharge outlet, 861. water inlet pipe, 862. outlet pipe, 863. spray head, 864. strut, 865. sliding blocks 866. are hydraulic
90. filtrate collecting pit 91. of catch bar cleans 92. overflow pipe of pond, 10. Shaftless screw conveyor
Specific embodiment
In conjunction with Fig. 1 to Fig. 6, the specific embodiment that the present invention will be described in detail, but claim of the invention is not done
Any restriction.
As shown in Figures 1 to 6, a kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment, including precipitating
Pond 1, sludge concentration tank 20, chemicals dosing plant 5, sludge pump 4, static mixer 7, belt mud dewatering equipment 800, filtrate collecting pit
90, pond 91 and Shaftless screw conveyor 10 are cleaned；
The mud discharging mouth of the sedimentation basin 1 is connected with sludge concentration tank 20, and the mud for precipitating bottom of pond portion is discharged into sludge concentration tank
In 20；The sludge concentration tank 20 is connected by sludge carrier pipe 3000 with static mixer 7, and sludge carrier pipe 3000 is equipped with
Mud is delivered to static mixer 7 from sludge concentration tank 20 by sludge pump 4, sludge pump 4, wherein sludge pump 4 is by sludge carrier pipe
Whether 3000 are divided into sludge pump inlet ducts 3100 and 3,200 two sections of sludge pump outlet conduit, had according to plant area qualified steady
Fixed compressed air gas source, sludge pump 4 can select sludge screw pump (not having) or pneumatic diaphragm pump (having)；
The chemicals dosing plant 5 can be three casees one chemicals dosing plants, and chemicals dosing plant 5 passes through medical fluid delivery pipe and static mixing
Device 7 is connected, and medical fluid delivery pipe is equipped with dosing pump 6, and dosing pump 6 is by medical fluid such as flocculant polyacrylamide PAM from chemicals dosing plant 5
It is delivered to static mixer 7；
The static mixer 7 is connected by delivery pipe with belt mud dewatering equipment 800, and static mixer 7 is used for mud
Slurry and medical fluid quickly mix, and are transported to the belt mud dewatering equipment 800 after mud and medical fluid mixing and are separated by solid-liquid separation；
The belt mud dewatering equipment 800 includes agitating device 810, driving motor 820, dehydration ontology 830, spraying mechanism
840, the agitating device 810 is for further uniformly mixing mud and medical fluid, the dehydration ontology 830 to include 831 He of idler wheel
Strainer 832, idler wheel 831 are driven by driving motor 820, and strainer 832 is wound around on idler wheel 831, for isolating mud mixture
In moisture, since the basic structure and workflow of dehydration ontology are well-known technique, therefore it will not be described here, to improve dehydration
The water filtration efficiency of ontology 830, woven net strainer of the present invention are improved to spiral net strainer, the spraying mechanism 840 and cleaning pond
91 are connected, and clean flushing water in pond 91 and are promoted to after spraying mechanism 840 through spraying mechanism 840 by centrifugal pump to strainer
832 are cleaned, and 800 bottom of belt mud dewatering equipment is additionally provided with removable support pedestal 850, and pedestal uses epoxy
Coal tar pitch, epoxy resin or polyurea anti-corrosion (corresponding anti-corrosion mode is established according to different work condition environments and anti-corrosion grade), branch
Filtrate collecting tank 851 is equipped in frame pedestal 850,851 bottom part of filtrate collecting tank is obliquely installed, sets on bracket base inner sidewall
There is horizontally disposed sliding rail 852, sliding rail 852 is located at 851 top of filtrate collecting tank, and 850 side wall of bracket base is arranged equipped with flange
The mouth of a river 853, flange discharge outlet 853 are located at 851 bottom lowest point of filtrate collecting tank, and flange discharge outlet 853 passes through outlet tube and filter
Liquid collecting pit 90 is connected, the filtrate isolated through belt mud dewatering equipment fall to filtrate collecting tank 851 after along inclined bottom
Face can flow into filtrate collecting pit 90 by outlet tube downstream to flange discharge outlet 853；In order to be carried out to filtrate collecting tank 851
Cleaning, prevents 851 bottom deposit sludge blockage flange discharge outlet 853 of filtrate collecting tank, the sludge dewatering system is additionally provided with clearly
Cleaning device, the cleaning device include centrifugal pump, water inlet pipe 861, strut 864, outlet pipe 862 and hydraulic thrust lever 866, described
Centrifugal pump be arranged on water inlet pipe 861, described 861 one end of water inlet pipe be placed in cleaning pond 91 in, the other end pass through strut 864 with
Outlet pipe 862 is connected, and the outlet pipe 862 is fixed on 864 lower section of strut, is intervally distributed with several on outlet pipe 862 etc.
The spray head 863 being obliquely installed, spray head 863 are tilted towards 851 bottom angled part of filtrate collecting tank, and spray head 863 and vertical side
To angle be less than filtrate collecting tank 851 bottom angled part and vertical direction angle, clean pond 91 in flushing water pass through
Centrifugal pump passes through the bottom that the spray head 863 on outlet pipe 862 sprays to filtrate collecting tank 851, the branch after being promoted to water inlet pipe 861
864 both ends of bar are equipped with sliding block 865, and sliding block 865 is matched with sliding rail 852, and 864 middle part of strut is connected with hydraulic thrust lever 866, prop up
Bar 864 is driven by hydraulic thrust lever 866 and is moved back and forth along sliding rail 852, to realize to the comprehensive clear of 851 bottom of filtrate collecting tank
It washes；Wherein, cleaning device blocks inside outlet pipe 862 after a period of operation in order to prevent, and 862 both ends of outlet pipe are also
Equipped with ball valve, when outlet pipe is in running order, ball valve is closed, and when blocking inside outlet pipe, is opened ball valve, is rinsed
Dirt in outlet pipe can be blocked up from outlet pipe both ends and is quickly discharged by water；
The filtrate collecting pit 90 is for collecting the filtrate isolated through belt mud dewatering equipment, 90 side of filtrate collecting pit
Equipped with cleaning pond 91, the cleaning pond 91 is connected with filtrate collecting pit 90 by overflow pipe 92, and cleaning pond 91 passes through
Delivery pipe is connected with the water outlet of the water outlet of sedimentation basin 1 and sludge concentration tank 20, isolates through belt mud dewatering equipment 800
Filtrate flows into filtrate collecting pit 90 after the collection of filtrate collecting tank 851, wherein the supernatant in filtrate collecting pit 90 passes through overflow
Pipe 92 flows into cleaning pond 91, and and the cleaning sedimentation basin in pond 91 is delivered to by water pump, sludge concentration tank water outlet reaches
Mark discharge water is collected together as sludge dewatering equipment rinse water (strainer rinse water and filtrate collecting tank rinse water), filtrate
The filtrate of 90 lower part of pond is back to sedimentation basin 1 by elevator pump promotion and is precipitated again；
The Shaftless screw conveyor 10 is connected with the mud mouth of belt mud dewatering equipment 800, through belt mud dewatering equipment
800 pugs isolated are delivered to anhydration system through Shaftless screw conveyor 10 and carry out subsequent drying and other treatment.
Into mudflow amount and prevent the sludgd deposition dirt of sludge concentration tank 20 stifled for reasonable regulating system, the conveying of sludge pump discharge
Pipe 3200 is equipped with regulating valve 3210 and the shunt valve 3220 that is connected with sludge concentration tank supernatant adjusted into mudflow amount, other
Road pipe 3220 is equipped with bypass valve 3221 and acid dip pickle 3222, and (specific time view scene was practical in one to two days for the every operation of system
Depending on operating condition) pulsed flushing, system fortune carried out to sludge-tank by the unlatching of intermittent control valve and sludge pump 4
Row one month or so can between or using acid dip pickle 3222 to sludge-tank add a certain amount of diluted acid to dissolve part deposition structure
Clod prevents sludgd deposition dirt stifled as far as possible.
To run system automation, the sludge dewatering system further includes PLC control system (not shown) and liquid
Position meter, PLC control system and liquidometer, sludge pump 4, chemicals dosing plant 5, dosing pump 6, static mixer 7, belt mud dewatering equipment
800, various pumps used in Shaftless screw conveyor 10 and system are connected, and liquidometer is set in sludge concentration tank 20, are used for
Sludge quantity in sludge concentration tank 20 is detected, when 20 sludge of sludge concentration tank reaches specified amount, PLC control system issues instruction,
Sludge pump 4 starts, chemicals dosing plant 5, dosing pump 6, static mixer 7, belt mud dewatering equipment 800, Shaftless screw conveyor 10
And various pumps used in system link such as water pump, centrifugal pump, elevator pump with sludge pump 4.In addition, to guarantee system high efficiency
Stable operation, synchronous PLC control system setting touch screen and hand push button operation, wherein touch screen can be controlled manually or automatically
Entire sludge dewatering system, while each section operating status and record operation data in real-time display system, hand push button operation
Guarantee that switching manual push-botton operation operates normally touch screen operation controls deactivation system.
In conclusion the invention has the following advantages that
1. the present invention has rational design, pass through sedimentation basin, sludge concentration tank, chemicals dosing plant, sludge pump, static mixer, band
Formula sludge dewatering equipment, filtrate collecting pit, in the cleaning systems such as pond and Shaftless screw conveyor each section science linking, can be with
It realizes the Optimum utilization of resource and the energy, saves production cost.
2. the present invention is by being arranged mutually matched static mixer and belt mud dewatering equipment, one side static mixer
Mud can be made quickly to mix with medicament, the stirring energy consumption of belt mud dewatering equipment is effectively reduced, reduce adding for sludge dewatering system
Dose shortens the pipeline that pug flows through, and delay time when mud mixture reaches uniform mixing is reduced, on the other hand, through quiet
When the mixed mud mixture of state mixer is separated by solid-liquid separation in belt mud dewatering equipment, more due to mixing uniformity
Good, the sludge separating effect of mud improves.
3. the present invention is arranged in filtrate collecting pit by setting filtrate collecting pit, the supernatant inflow of filtrate collecting pit
In clear water reserviors, and with the water outlet up to standard of sedimentation basin, concentration basin water outlet together as flushing water to the filter in belt mud dewatering equipment
Band and filtrate collecting tank are rinsed, and instead of traditional tap water cleaning way, have saved great lot of water resources and production cost,
By taking a set of 2 meters of belt type sludge dewatering system as an example, mating cleaning pump discharge is in 25-30m3/ h, with aluminum profile manufacturing enterprise
Practical sludge dewatering time 18h considers daily, then can save Q=25 × 18=450 tons of tap water daily.According to 3 yuan of water per ton
Money considers, can save 1350 yuan of water rate daily, annual water-saving 405000 yuan of expense (considering according to annual actual motion 300 days)；
Filtrate collecting pit lower part filtrate, which can be recycled to sedimentation basin, to be recycled, in filtrate remaining PAM can also further with sewage of newly arriving
In solid suspension reacted, reinforce flocculating effect, to a certain extent reduce flocculant dosage.
4. the present invention solves conventionally employed biography by the way that Shaftless screw conveyor matched with belt mud dewatering equipment is arranged
Sludge in band transmission process is sent easily to trickle down this problem.
5. the present invention may be implemented to set by the way that dismountable integrated bracket pedestal is arranged in belt mud dewatering equipment bottom
For the large-scale production on basis, rapid traverse and can be recycled, saving Equipment Foundations investment one third.Compared to traditional coagulation
Number of days needed for earth foundation intensity reaches 80% or more the construction period of design strength is at least at 14-20 days, submount material in the present invention
Using epoxide coal bituminous, epoxy resin or polyurea anti-corrosion, it can will foreshorten to the time within 7 days, shorten the construction period comprehensively.In addition, also
Filtrate collecting tank is equipped in pedestal, the setting of filtrate collecting tank bottom angled can play guide functions, be conducive to through belt dirt
The filtrate that mud dewaterer is isolated is pooled to the outflow of flange discharge outlet, and the mating setting cleaning device of filtrate collecting tank can be to filtrate
Collecting tank is cleaned comprehensively, and cleaning effect is good, is cleaned without dead angle.
6. on the one hand the present invention can be played rationally by the way that bypass and mating pipe valve is arranged in sludge pump outlet conduit
Regulating system is into the effect of mudflow amount, and (the specific time regards live actual motion feelings to the every operation of still further aspect system within one to two days
Depending on condition) it is opened by intermittent control valve and sludge pump to sludge-tank progress pulsed flushing, in addition, by bypassing
Acid dip pickle is set, system run one month or so can between or using acid dip pickle add a certain amount of diluted acid to sludge-tank with molten
Solution part deposition structure clod, prevents sludgd deposition dirt stifled as far as possible.
7. the present invention is controlled using intelligent integral PLC, and synchronous setting touch screen and hand push button operation, it is ensured that
System high efficiency stablizes automatic operating.
8. existing sludge dewatering equipment is all utilized in mating woven net strainer in rack, the gap of woven net strainer is small, nothing
Stereo layer, moisture filter is slow, and due to aluminum profile production wastewater sludge, its own peculiar aluminium composition is high, and flocculant in addition
Add, cause sewage sludge viscosity high, easily agglomerate, sticky sludge are easily attached on strainer between sludge and mud granule
Cause the filter opening of woven net to block, influences subsequent further water filtration efficiency.The present invention is by the way that belt structure to be improved to
Spiral web frame, since the gap of spiral net strainer is greatly and there are stereo layer, sludge is not easy to plug mesh, and moisture filter is fast, and
Highly viscous sludge often forms one layer of sludge filtration layer on the grid of spiral net, and not only water filtration efficiency is high, but also strainer
It is convenient to rinse.Through live actual motion, the sludge dewatering system mud extraction moisture content of spiral net strainer is used to adopt for 78%~80%
Preceding 8~12h mud extraction moisture content is run with the sludge dewatering system of woven net strainer to rush up to filter cloth after 80% or so, 12h
It is stifled filter screen part dirt is not washed clean, system mud extraction moisture content increases to 80%~85%.In addition, spiral net strainer is filtered compared to woven net
With at low cost, production cost can be saved.
It is understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this
Technical solution described in inventive embodiments.Those skilled in the art should understand that still can be carried out to the present invention
Modification or equivalent replacement, to reach identical technical effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment, which is characterized in that including sedimentation basin, sludge
Concentration basin, chemicals dosing plant, sludge pump, static mixer, belt mud dewatering equipment, filtrate collecting pit, cleaning pond and shaftless spiral shell
Revolve conveyer；The mud discharging mouth of the sedimentation basin is connected with sludge concentration tank, and the mud for precipitating bottom of pond portion is discharged into sludge concentration tank；
The sludge concentration tank is connected by sludge carrier pipe with static mixer, and sludge carrier pipe is equipped with sludge pump, and sludge pump will
Mud is delivered to static mixer from sludge concentration tank；The chemicals dosing plant is connected by medical fluid delivery pipe with static mixer,
Medical fluid delivery pipe is equipped with dosing pump, and medical fluid is delivered to static mixer from chemicals dosing plant by dosing pump；The static mixer
It is connected by delivery pipe with belt mud dewatering equipment, static mixer is for quickly mixing mud and medical fluid, mud and medical fluid
The belt mud dewatering equipment is transported to after mixing to be separated by solid-liquid separation；The filtrate collecting pit is for collecting through belt type sludge
The filtrate that dewaterer is isolated, filtrate collecting pit side are equipped with cleaning pond, and the cleaning pond and filtrate collecting pit are by overflowing
Flow tube is connected, and cleaning pond is connected by delivery pipe with the water outlet of the water outlet of sedimentation basin and sludge concentration tank, and filtrate is received
Collect the supernatant in pond and flows into cleaning pond, and the row up to standard with the sedimentation basin in inflow cleaning pond, sludge concentration tank water outlet
It discharges water together as sludge dewatering equipment rinse water, the filtrate of filtrate collecting pit lower part is back to sedimentation basin and is precipitated again；
The Shaftless screw conveyor is connected with the mud mouth of belt mud dewatering equipment, the pug warp isolated through belt mud dewatering equipment
Shaftless screw conveyor is delivered to anhydration system and carries out subsequent drying and other treatment.
2. a kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment as described in claim 1, feature exist
In, the belt mud dewatering equipment bottom is provided with removable support pedestal, it is equipped with filtrate collecting tank in the bracket base,
Filtrate collecting tank is obliquely installed for the temporary filtrate isolated through belt mud dewatering equipment, filtrate collecting tank bottom part, institute
Bracket base side wall is stated equipped with flange discharge outlet, flange discharge outlet is located at filtrate collecting tank bottom lowest point, flange discharge outlet
It is connected by outlet tube with filtrate collecting pit.
3. a kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment as claimed in claim 2, feature exist
In further including the cleaning device for being cleaned to filtrate collecting tank, the cleaning device includes centrifugal pump, water inlet pipe, branch
Bar, outlet pipe and hydraulic thrust lever, the centrifugal pump are arranged on water inlet pipe, and described water inlet pipe one end is placed in cleaning pond,
The other end passes through strut and is connected with outlet pipe, and the outlet pipe is fixed below strut, if being intervally distributed on outlet pipe etc.
The dry spray head being obliquely installed, spray head is tilted towards filtrate collecting tank bottom angled part, and the angle of spray head and vertical direction
Less than the angle of filtrate collecting tank bottom angled part and vertical direction, the strut is driven in the horizontal direction by hydraulic thrust lever
It moves back and forth.
4. a kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment as claimed in claim 2, feature exist
In the bracket base uses epoxide coal bituminous, epoxy resin or polyurea anti-corrosion material.
5. a kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment as described in Claims 1-4 is any,
It is characterized in that, the belt mud dewatering equipment includes agitating device, driving motor, dehydration ontology, spraying mechanism, the stirring dress
It sets for the mud medical fluid after being stirred, the dehydration ontology includes idler wheel and strainer, and idler wheel is driven by driving motor, strainer
It is wound around on idler wheel, for isolating the moisture in mud mixture, the spraying mechanism is connected with cleaning pond, for filter
Band is cleaned.
6. a kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment as claimed in claim 5, feature exist
In the strainer is spiral net strainer.
7. a kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment as described in Claims 1-4 is any,
It is characterized in that, the sludge carrier pipe includes sludge pump inlet ducts and sludge pump outlet conduit, the conveying of sludge pump discharge
Pipe is equipped with regulating valve and the shunt valve that is connected with sludge concentration tank supernatant adjusted into mudflow amount, and shunt valve is equipped with side
Road valve and acid dip pickle.
8. a kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment as described in Claims 1-4 is any,
It is characterized in that, the sludge pump is sludge screw pump or pneumatic diaphragm pump.
9. a kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment as described in Claims 1-4 is any,
It is characterized in that, the liquidometer for detecting sludge concentration tank sludge quantity is equipped in the sludge concentration tank.
10. a kind of New Type of Sludge Dewatering system for aluminum profile production wastewater treatment as claimed in claim 9, feature exist
In the sludge dewatering system further includes the touch screen that PLC control system is arranged with synchronous PLC control system, PLC control system
It is connected with liquidometer, chemicals dosing plant, dosing pump, static mixer, belt mud dewatering equipment and Shaftless screw conveyor, touch screen
For manually or automatically controlling entire sludge dewatering system, while each section operating status and record operation in real-time display system
Data.
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Application publication date: 20190219 |