CN208279480U - A kind of high-voltage pulse electrolysis device and the belt-type sludge press filter processing system for adding the device - Google Patents
A kind of high-voltage pulse electrolysis device and the belt-type sludge press filter processing system for adding the device Download PDFInfo
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- CN208279480U CN208279480U CN201820098596.7U CN201820098596U CN208279480U CN 208279480 U CN208279480 U CN 208279480U CN 201820098596 U CN201820098596 U CN 201820098596U CN 208279480 U CN208279480 U CN 208279480U
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- 239000010802 sludge Substances 0.000 title claims abstract description 116
- 238000012545 processing Methods 0.000 title claims abstract description 25
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910001882 dioxygen Inorganic materials 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 9
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 8
- -1 polyethylene Polymers 0.000 claims description 11
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims 1
- 230000018044 dehydration Effects 0.000 abstract description 19
- 238000006297 dehydration reaction Methods 0.000 abstract description 19
- 238000004065 wastewater treatment Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000010841 municipal wastewater Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 239000010865 sewage Substances 0.000 description 10
- 238000011282 treatment Methods 0.000 description 8
- 239000002131 composite material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 239000010801 sewage sludge Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 241000589651 Zoogloea Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000000909 electrodialysis Methods 0.000 description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of high-voltage pulse electrolysis device and adds the belt-type sludge press filter processing system of the device.Device is electrolysed including high-voltage pulse, it further include dioxygen water storage tank and hydrogen peroxide metering pump, dioxygen water storage tank is connected to sludge concentration tank by hydrogen peroxide metering pump and pipeline, sludge concentration tank connection connects additional high-pressure pulser with pipeline by sludge variable pump, is attached the pulser that adds high pressure and sludge is delivered to the dehydration of sludge dewatering belt type sludge filter press after high-voltage pulse is handled again.Sludge dewatering system described in the utility model is suitable for the excess sludge deep dehydration of trade effluent and municipal wastewater treatment plant, has the advantages that easy to operate, easy to maintain and low energy consumption.
Description
(1) technical field
Device is electrolysed the utility model relates to a kind of high-voltage pulse and adds the belt-type sludge press filter processing system of the device,
Belong to field of solid waste treatment.
(2) background technique
With the industrialized development in China, amount of sludge is more and more huger, and according to statistics, national the planned city, county add up to build
It is more than 40000 at urban wastewater treatment firm, about 1.50 hundred million m of sewage treatment capacity3/ d, year generate the sludge of water content 80%
Ten thousand t more than 3500.Biological floe of these sludge by activated sludge, mushroom cell composition have containing poisonous and harmful in inorganic particle
Machine object, heavy metal ion and each quasi-microorganism containing a large amount of bacteriums.Currently, the sludge dewatering mode of urban wastewater treatment firm be from
The dewatering types such as the heart, squeezing, this mechanical dehydration mode can only take off moisture percentage in sewage sludge to 80%.National environmental protection portion ring is done
[2010] No. 157 " about the notice for reinforcing urban sewage treatment plant sludge prevention and cure of pollution work " " sewage treatment plant is to store for requirement
Sludge is transported into factory circle for the purpose of (disposition is not handled deposit), it is necessary to by sludge dewatering to 50% or less moisture content." therefore,
Deeply dehydrating sludge processing is reduced into moisture content to 50% hereinafter, current sludge reduction, the urgent of harmless treatment target are essential
It asks.
Moisture in sludge is generally categorized into void among particles water, four class of capillary water, the absorption water of particle and internal water,
The relationship of degree of the various moisture in conjunction with mud granule can indicate are as follows: internal water > absorption water > capillary water > interstitial water more exists
Preceding combination degree is higher, is more difficult to remove.The main reason for mechanical treatment moisture percentage in sewage sludge is high is the steady of zoogloea network in sludge
Be set for using, these zoogloeas are difficult to be mechanically destruction, and the rigid structure of sludge microbe cell wall hinder it is intracellular
The release of moisture.The sludge of 80% or more moisture content is further dehydrated, needs to pre-process sludge, improves sludge
After dewatering, deep dehydration further is carried out to sludge by other measures, sludge cake moisture content is made to reach 50% or less.
Country's sludge dewatering technology mainly uses mechanical dehydration at present, includes filtration method and centrifugal process.Device is mainly
Sludge centrifuge and sludge filter press.Sludge centrifuge is that difference tendency to drift away caused by solid, liquid difference in specific gravity in sludge is borrowed to reach
To mud-water separation.Centrifugal dehydrator have can continuous production, the advantages of automatically controlling and take up little area, but the requirement of sludge pretreatment
It is higher.The equipment of filtration method has plate and frame filter press, vacuum filter and band filter.Plate and frame filter press, which is that chemical industry is common, to be set
Standby, filtered driving force is big, and moisture content of the cake is lower, is interval into mud, mud extraction, and productivity is lower.Vacuum filter continuously into
Mud, continuous mud extraction, runs smoothly, but affiliated facility is more.Band filter is novel filter, has rotating belt, takes off on one side
Water, transports mud on one side, and device is more complicated.Above-mentioned mechanical dehydration method is mainly used for digested sludge and primary sedimentation pond sludge, sludge
Such as without Chemical treatment, moisture content of the cake is generally more than 80%.Main two kinds of deeply dehydrating sludge mode, one kind adding chemistry
Reagent conditioning, such as flocculant, lime conditioning is added, then carry out mechanism filter-pressing dehydration, this method sludge quantity will increase 10-
20%, and secondary pollution is generated to filtering water.Another method is heat treatment method, is dried naturally using heat drying, solar energy
It is the methods of dry that thermal energy is provided, destroys sludge micella by heating means, sludge internal water is dissociated, consumption mass energy is heat-treated,
Natural drying then needs place to accumulate sludge, and be easy to produce stench in the drying process etc., and polluted underground water, now
It is prohibited from using.
Electroosmose process processing sewage, sludge have more research, iron or iron electrode are generallyd use, in electrolytic process
Anodic solution iron ion has flocculation, and electrodialysis and filters pressing are combined, and carries out filters pressing to sludge simultaneously in electrodialysis, can have
Effect improves the dehydration efficiency of sludge.But electroosmose process power consumption is big, fever phenomenon is obvious, the still difficult micella in biochemical sludge
Water.Therefore, it develops a kind of industrialization deep dehydration of Direct Dehydration to moisture content of the cake lower than 60% and handles sludge system, solve
The high problem of belt filters pressing sludge treater moisture content has especially important meaning for reducing sludge quantity and sludge treatment.
(3) utility model content
The purpose of this utility model is to propose that a kind of high-voltage pulse is electrolysed device and adds the belt-type sludge press filter of the device
Processing system in the system, before sludge enters belt, handles by dirty high-voltage pulse electrolysis, dissociates the inside in sludge
Water and absorption water, realize that belt filter press high-efficiency dehydration handles sludge.
To realize above-mentioned purpose of utility model, the utility model adopts the following technical solution:
A kind of high-voltage pulse electrolysis device, it is characterised in that by high-voltage pulse power source, high-voltage pulse anode, high-voltage pulse yin
Pole, auxiliary doser composition, the high-voltage pulse power source includes positive pulse, negative pulse, positive negative sense dipulse, and pulse voltage is
0-60kV is adjustable, and pulse current 0-50mA is adjustable, and pulse frequency 10-100Hz is adjustable；The high-voltage pulse anode is that cladding is exhausted
The metal or alloy electrode of edge material, cathode are the metal or alloy electrode for coating insulating materials, electrode spacing 10-50cm.
Preferably, the high-pressure pulse device be diaphragm-free electrolysis device, be rectangular groove structure or drum type structure,
The insulating materials is polyethylene, polypropylene, polyvinyl chloride and polytetrafluoroethylene (PTFE), insulation thickness 0.5-5cm.
Preferably, a kind of belt-type sludge press filter processing system of high-pressure pulse device, fills comprising above-mentioned high-voltage pulse
Electrolysis unit, further includes dioxygen water storage tank and hydrogen peroxide metering pump, and dioxygen water storage tank is connected by hydrogen peroxide metering pump and pipeline
To sludge concentration tank, sludge concentration tank connection connects high-pressure pulse device with pipeline by sludge variable pump, connects high-pressure pulse device
Sludge is delivered to the dehydration of belt type sludge filter press after high-voltage pulse is handled again.
Preferably, the operating voltage U of the processing system passes through high-voltage pulse anode composite insulating material thickness Y and height
Pulsed cathode composite insulating material thickness X is pressed to adjust, operating voltage is U=C × (X+Y), and X, Y are electrode outer layer insulation thickness
Degree, C is constant relevant with sludge quality, insulating layer material and electrode spacing,
Preferably, mud dry weight 0.005-0.02% is first added when being handled using above-mentioned mud filters pressing processing system
20% concentration hydrogen peroxide, biochemical sludge by 0.5-60kV high voltage pulse processing after input sludge dewatering belt filter press,
Obtain the sludge cake of moisture content 45-65%.
Preferably, sludge residence time in high-pressure pulse device is 1-30 minutes.
Preferably, high-voltage pulse processing unit can also be made in decanter centrifuge, plate and frame filter press processing sludge system
For the application of pretreatment unit.
The sludge main source is sewage treatment plant excess sludge, after sanitary sewage and Industrial Waste Water Treatments
Excess sludge.
Utility model device processing sludge and chemical method and oven drying method compare, and have the advantages that following prominent:
(1) directly biochemical sludge can be dehydrated to moisture content is 45-65%；(2) high-voltage pulse processing unit and with belt filter press, plate
A variety of sludge dehydration device combinations such as frame filter press, decanter centrifuge；(3) compared to heat drying, low energy consumption.
(4) Detailed description of the invention
Fig. 1 is a kind of belt-type sludge press filter processing system schematic diagram of high-voltage pulse electrolysis device of the utility model.
Fig. 2 is the utility model high-field electrode cathode schematic diagram.
Fig. 3 is the utility model high-field electrode anode schematic diagram.
Wherein 1- high-voltage pulse power source, 2- high-pressure electrolysis device, 3- belt type sludge dehydration filter press, 4- sludge concentration tank,
5- dioxygen water storage tank, 6- belt conveyor, 7- sludge variable pump, 8- hydrogen peroxide metering pump, 9- cylindrical pressure pulsed cathode, A-
Cathodic metal plate, B- and cathode composite insulating board, X- cathode insulation plate thickness, 10- disk-shaped high-voltage pulse anode pole (are rolled into circle
Tubular), C- anode metal plate, D- and anode composite insulating board.
(5) specific embodiment
In order to keep the purpose of this utility model and technical solution and advantage clearer, the utility model following embodiment
It is illustrated, but the utility model is not limited to these examples.
Embodiment 1
- Fig. 3 referring to Fig.1: the belt-type sludge press filter processing system of additional high-pressure pulse electrolysis device as shown in Figure 1, it will be high
Pressure pulse electrolysis device 2, dioxygen water storage tank 5 and hydrogen peroxide metering pump 8 are arranged in belt type sludge filter press processing sludge system
In.By cylindrical anode connection high-voltage pulse power source anode, cylindrical cathode connects pulse power cathode, and power supply is negative for 0-60kV
The pulse power 1, pulse frequency 0-100Hz is adjustable, and anode is grounded while connecting Gaoyang plate.Entire high-pressure electrolysis device
Other parts and filter press and ground insulate.
The belt-type sludge press filter processing system for the additional high-pressure pulse electrolysis device that the utility model embodiment uses, high pressure
Pulse electrolysis device, anode 10 are stainless steel polypropylene composite material, stainless steel plate C thickness 0.5mm, polypropylene lining plate D thickness
5mm, it is highly 100cm that the diameter for forming opening, which is 60cm cylinder, bottom and welding polypropylene board；9 cylindrical body conductive gold of cathode
Category A is copper rod, and diameter 5cm, composite polypropylene stick B annulus thickness X is 2cm.By anode stainless steel connection pulse power anode, together
When by anode connect ground wire；Cathode copper rod connects pulse power cathode.The pulse power is negative unidirectional pulse, and voltage 0-60kV can
It adjusts, pulse frequency 50Hz,.Sewage plant excess sludge is conveyed in sludge concentration tank 4, moisture percentage in sewage sludge 95-100%,
It is 10min that 7 flow control high-voltage pulse of sludge variable pump, which is electrolysed sludge retention time in device 2, i.e., sludge is in high-voltage pulse electric
Solving flow velocity in slot is 1500kg/h.20% hydrogen peroxide is added in dioxygen water storage tank 5,8 flows of pump are 200g/h.It is full of to sludge
After pulse electrolysis device, unbalanced pulse power supply, adjusting pulse voltage is 10kV.It is defeated by belt through extra pulse treated sludge
It send machine 6 to enter test-type belt type sludge filter press 3 to handle.Testing moisture percentage in sewage sludge is 56.6%.
Embodiment 2-17
As described in Example 1, in the belt-type sludge press filter processing system of additional high-pressure pulser, anode is constant,
Pulse frequency is 50Hz, changes cathode insulation layer thickness X and pulse output voltage, residence time, dioxygen water flow, is tested above-mentioned
The moisture content of sludge after belt-type sludge press filter is tested in influence of the technological parameter to deeply dehydrating sludge.The wherein pole of pulse voltage
Limit value and cathode are related with the thickness of insulating layer of anode, and operating voltage is U=C × (X+Y), and X, Y are electrode outer insulation
Thickness, C are constant relevant with sludge quality, insulating layer material and electrode spacing, can be with by suitable thickness of insulating layer
It prevents from being broken down by high-voltage.Test result such as table 1.
The belt-type sludge press filter processing system technological parameter of 1 additional high-pressure pulser of table influences dehydration rate
Embodiment 18-21
As described in Example 1, in the belt-type sludge press filter processing system of additional high-pressure pulse electrolysis device, cathode is exhausted
Edge layer is with a thickness of 2 centimetres, pulse output voltage 10kV, pulse frequency 50Hz, residence time 10min.Sludge source is changed into
The excess sludge of municipal sludge sewage plant and trade effluent factory, will electrolysis treated sludge uses respectively plate and frame filter press and
Mechanical centrifuge dehydration, plate and frame filter press are hydraulic pressure filter, pressure 1MPa.Experimental result such as table 2.
The belt-type sludge press filter processing system sludge types and mechanical dehydration result of 2 additional high-pressure pulser of table
| Embodiment | Sludge types | Sludge source | Pulse current/A | Dewatering type | Moisture content/% |
| 18 | Municipal sludge | Municipal wastewater treatment plant | 0 | Plate compression | 59.1 |
| 19 | Municipal sludge | Municipal wastewater treatment plant | 0 | Centrifugal dehydration | 56.8 |
| 20 | Industrial sludge | Enterprise's sewage plant | 0 | Plate compression | 61.2 |
| 21 | Industrial sludge | Enterprise's sewage plant | 0 | Centrifugal dehydration | 58.3 |
Claims (3)
1. a kind of high-voltage pulse is electrolysed device, it is characterised in that by high-voltage pulse power source, high-voltage pulse anode, high-voltage pulse yin
Pole, auxiliary doser composition, the high-voltage pulse power source includes positive pulse, negative pulse, positive negative sense dipulse, and pulse voltage is
0-60kV is adjustable, and pulse current 0-50mA is adjustable, and pulse frequency 10-100Hz is adjustable；The high-voltage pulse anode is that cladding is exhausted
The metal or alloy electrode of edge material, cathode are the metal or alloy electrode for coating insulating materials, electrode spacing 10-50cm.
2. a kind of high-voltage pulse according to claim 1 is electrolysed device, it is characterised in that the high-voltage pulse is electrolysed dress
It is set to diaphragm-free electrolysis device, is rectangular groove structure or drum type structure, the insulating materials is polyethylene, polypropylene, gathers
Vinyl chloride and polytetrafluoroethylene (PTFE), insulation thickness 0.5-10cm.
3. a kind of belt-type sludge press filter processing system of high-voltage pulse electrolysis device, it is characterised in that belt-type sludge press filter processing system
It is electrolysed device comprising high-voltage pulse described in claim 1 in system, further includes dioxygen water storage tank and hydrogen peroxide metering pump, hydrogen peroxide
Storage tank is connected to sludge concentration tank by hydrogen peroxide metering pump and pipeline, and sludge concentration tank connection is connected by sludge variable pump and pipeline
High-pressure pulse device is connect, high-pressure pulse device is connect sludge is delivered to belt type sludge filter press after high-voltage pulse is handled again and take off
Water.
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| Application Number | Priority Date | Filing Date | Title |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820098596.7U CN208279480U (en) | 2018-01-22 | 2018-01-22 | A kind of high-voltage pulse electrolysis device and the belt-type sludge press filter processing system for adding the device |
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| CN208279480U true CN208279480U (en) | 2018-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108218159A (en) * | 2018-01-22 | 2018-06-29 | 浙江工业大学 | A kind of high-voltage pulse electrolysis device and the belt-type sludge press filter processing system for adding the device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108218159A (en) * | 2018-01-22 | 2018-06-29 | 浙江工业大学 | A kind of high-voltage pulse electrolysis device and the belt-type sludge press filter processing system for adding the device |
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