CN205974027U - Heavy metal waste water treatment system - Google Patents
Heavy metal waste water treatment system Download PDFInfo
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- CN205974027U CN205974027U CN201620782597.4U CN201620782597U CN205974027U CN 205974027 U CN205974027 U CN 205974027U CN 201620782597 U CN201620782597 U CN 201620782597U CN 205974027 U CN205974027 U CN 205974027U
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 34
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 24
- 239000010814 metallic waste Substances 0.000 title claims abstract description 15
- 239000002351 wastewater Substances 0.000 claims abstract description 51
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 46
- 239000004576 sand Substances 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000001179 sorption measurement Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 106
- 238000004140 cleaning Methods 0.000 claims description 42
- 238000005188 flotation Methods 0.000 claims description 28
- 238000001223 reverse osmosis Methods 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 238000009298 carbon filtering Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000003463 adsorbent Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000009287 sand filtration Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 19
- 239000010865 sewage Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 239000013618 particulate matter Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000000701 coagulant Substances 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 3
- 239000003456 ion exchange resin Substances 0.000 description 3
- 229920003303 ion-exchange polymer Polymers 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 210000000548 hind-foot Anatomy 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011044 quartzite Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a heavy metal waste water treatment system, including system control unit, system state detecting element and pretreatment systems, ultrafiltration system and NF system, pretreatment systems includes equalizing basin, air supporting pond, sand filter, carbon filtration pond and heavy metal adsorption device, is equipped with the backward flow in the air supporting pond and dissolves the gas subassembly, the ultrafiltration system includes the ultrafiltration filter and the ultrafiltration apparatus, and the ultrafiltration apparatus is become by the many ultrafiltration nests of tubes, is provided with the backwash subassembly in the ultrafiltration system, the NF system includes RO booster pump, security personnel's filter, RO equipment, washs the subassembly, system state detecting element includes that manometer and flow take into account conductivity meter, pH value detector and temperature detector, and the system control unit includes processor module and control terminal subassembly, and the control terminal subassembly includes solenoid valve, pneumatic butterfly valve and electric butterfly valve, and the waste water flow and the flow direction among the processor module adjustment detecting element 0 are through setting up multiple detecting element 1 for waste water is filtered step by step, realizes good filter effect.
Description
Technical field
This utility model is related to technical field of sewage, more specifically, it relates to a kind of heavy metal containing wastewater treatment system
System.
Background technology
In electroplating industry produces, often produce many industrial wastewaters containing plurality of heavy metal ion, these waste water
If not treated discharge, it will the environment of severe contamination factory periphery.For this reason, having many wastewater treatments in prior art, especially
It is aimed at the processing system of heavy metal wastewater thereby, such as patent publication No. is the Chinese patent of CN105016510A, discloses one
For the sewage disposal system containing heavy metal containing sewage, the main method of said system is that precipitation adds absorption although structure is simple to set,
But achieved sewage disposal degree is unsatisfactory, and the water quality after process is not good.And if more cleaning to be obtained
Sewage after process, then need to increase many new operations and equipment, so will certainly make whole sewage disposal system structure
Level is more complicated.Complicated layer of structure, it will substantially increase the difficulty of system maintenance, systems inspection, operation are all inconvenient
And easily produce bad point in systems, when a certain link goes wrong, whole system is required for closing down restarts, and expends huge.Additionally,
Ion concentration in order to be in harmonious proportion in sewage in sewage disposal system, usually can assist sewage disposal system to injected clear water in system
The normal operation of system, is so accomplished by expending substantial amounts of cleaning water, reduces the benefit of sewage disposal.
Utility model content
For containing the halfway problem of heavy metal containing wastewater treatment in practice, this utility model purpose is to provide one
Heavy metal species Waste Water Treatment.
For the heavy metal waste water treatment system in this utility model, concrete scheme is as follows：
A kind of heavy metal waste water treatment system, arranges including system control unit, system mode detector unit and successively
Pretreatment system, ultrafiltration system and NF system, wherein,
Described pretreatment system includes regulating reservoir, flotation tank, sand filter, carbon filtering pool and the heavy metal adsorption setting gradually
Device, is provided with described flotation tank and recycles the molten pneumatic module of backflow that flotation tank waste water carries out molten gas purification to it；
Described ultrafiltration system includes ultra filtration filter and the ultrafiltration apparatuss of at least two groups laid out in parallel settings, and described ultrafiltration sets
For being made up of the super filter tube of many laid out in parallel, the water inlet end of many described super filter tubes is connected with the outlet of ultra filtration filter
Logical, water side is connected with NF system, is provided with waste water after filtering using ultrafiltration system ultrafiltration is set in described ultrafiltration system
The standby backwash assembly being carried out；
Described NF system includes being sequentially communicated the RO booster pump of setting, ensure public security filter, one-level RO equipment, two grades of RO equipment,
Be equipped with described one-level RO equipment, two grades of RO equipment after being filtered using two grades of RO equipment waste water come to one-level RO equipment, two grades
The cleaning assembly that RO equipment is carried out；
Described system mode detector unit includes pressure gauge and the effusion meter being arranged on each connecting pipeline, and setting
Electrical conductivity table in NF system, PH value detector and temperature monitor；
Described system control unit includes processor module and control terminal assembly, and described control terminal assembly includes setting
It is placed in electromagnetic valve in each connecting pipeline, Pneumatic butterfly valve and electric butterfly valve, described processor module reception system state-detection
The detected value of unit controls described control terminal assembly action, the flow of waste water and flow direction in adjustment Waste Water Treatment.
Further, between described flotation tank and sand filter, between described heavy metal adsorption device and ultra filtration filter, institute
State between ultrafiltration apparatuss and RO booster pump and one-level RO equipment and two grades of RO equipment between be respectively arranged with the first middle water
Pond, the second intermediate pool, the 3rd intermediate pool, the 4th intermediate pool, are equipped with multiple intermediate pool and processor module letter
Number liquid level connecting detection device, the side wall of multiple intermediate pool is equipped with water inlet pipe and outlet pipe and controls water inlet
Pipe, the control terminal assembly of outlet pipe break-make.
Further, the described molten pneumatic module that flows back includes being interconnected floatation reflux pump and dissolving, described air supporting is returned
The water inlet end of stream pump is connected with the bottom sidewall of flotation tank in order to convey clear water, the discharge ends of described dissolving in dissolving
It is disposed adjacent with the waste water input port of flotation tank, be provided between described flotation tank and floatation reflux pump, dissolving and flotation tank
Pneumatic butterfly valve.
Further, it is set side by side with least two between described first intermediate pool and sand filter for by the middle of first
Waste water in pond is pumped into the raw water pump in sand filter, the water inlet end of described raw water pump and water side be equipped with electric butterfly valve or
Pneumatic butterfly valve.
Further, described backwash assembly includes the hyperfiltration reverse-rinsing pump that a water inlet end is connected, institute with the 3rd intermediate pool
The water side stating hyperfiltration reverse-rinsing pump is connected with the water side of described super filter tube respectively in order to using useless in the 3rd intermediate pool
Water rinses super filter tube and its is attached thereto logical pipeline.
Further, described one-level RO equipment, two grades of RO equipment include the RO high-pressure pump being connected with described security personnel's filter,
And many reverse osmosiss pipes being connected with described RO high-pressure pump, many described reverse osmosiss pipes form the multiple of settings parallel with one another
Reverse osmosis module, multiple described reverse osmosis module are serially connected setting and outfan is connected with described 4th intermediate pool, many
The water side of individual described reverse osmosiss pipe is provided with sampling valve.
Further, described cleaning assembly includes a cleaning water tank, and described cleaning water tank is connected with the backwater pond of system
Logical, for obtaining the cleaning waste water after filtering through two grades of RO equipment, described cleaning water tank is communicated with a flushing water pump and a cleaning
Filter, the cleaning cleaned water pump of waste water in described cleaning water tank, the water inlet end phase with many described reverse osmosiss after cleaning filter
Connection, is equipped with Pneumatic butterfly valve or electric butterfly valve between described cleaning water tank, flushing water pump, cleaning filter and reverse osmosiss pipe.
Further, described heavy metal adsorption device includes two acidic resins adsorbent equipments being interconnected and alkalescence
Resin absorption device.
The beneficial effects of the utility model are as follows：
（1）By arranging multi-filtering device so that the waste water containing heavy metal ion is filtered step by step, finally realize good
Good filter effect；
（2）By arranging a series of intermediate pool, using the waste water in intermediate pool, the equipment in previous step is entered
Row cleaning, so just makes whole system need not consume the clear water of outside, the economic benefit that lifting waste water is processed；
（3）By arranging multiple anti-cleaning device, when the filter effect of a certain equipment is not good, system mode detector unit
The result of detection is sent to processor module, then controls described control terminal assembly to adjust leading of pipeline by processor module
Logical mode, to filter effect, not good equipment is carried out；
（4）By arranging multiple pipeline structure parallel in key position, when wherein one filtering circuit interrupts, acceptable
Using other filtering circuits, waste water is filtered it is ensured that whole Waste Water Treatment will not because of the fault of local entirety
Work as machine；
（5）By arranging detection means, such as pressure gauge, effusion meter etc. on each connecting pipeline, real-time automatic monitoring gives up
The running status of water treatment system, save attendant's on-site maintenance time it is ensured that safeguard high efficiency.
Brief description
Fig. 1 is the schematic diagram of pretreatment system front section；
Fig. 2 is the schematic diagram of pretreatment system hindfoot portion；
Fig. 3 is the schematic diagram of ultrafiltration system；
Fig. 4 is the schematic diagram of one-level RO equipment；
Fig. 5 is the schematic diagram of two grades of RO equipment；
Fig. 6 is the schematic diagram of cleaning assembly；
Fig. 7 is the schematic flow sheet of sewage water treatment method of the present invention.
Accompanying drawing mark：1st, pretreatment system；11st, regulating reservoir；111st, former pond；112nd, dosing pump；113rd, coagulant；114、
Flocculant；115th, pipe-line mixer；12nd, flotation tank；13rd, flow back molten pneumatic module；131st, dissolving；132nd, floatation reflux pump；14、
First intermediate pool；15th, sand filter；16th, char filter；17th, heavy metal adsorption device；171st, acidic resins adsorbent equipment；172、
Basic resin adsorbent equipment；173rd, water sprayer；18th, the second intermediate pool；19th, raw water pump；20th, electric butterfly valve；21st, pressure gauge；
22nd, effusion meter；23rd, ultra filtration filter；24th, ultrafiltration apparatuss；241st, super filter tube；25th, hyperfiltration reverse-rinsing pump；26th, the 3rd intermediate pool；
27th, RO booster pump；28th, security personnel's filter；29th, RO high-pressure pump；30th, one-level RO equipment；31st, two grades of RO equipment；301st, reverse osmosiss pipe；
32nd, the 4th intermediate pool；33rd, produce Water circulation pond；34th, cleaning filter；35th, flushing water pump；36th, clean water tank.
Specific embodiment
This utility model is to provide one kind can effectively reduce sewage disposal system manager's workload, improves at sewage
The heavy metal waste water treatment system of reason system administration efficiency.
With reference to embodiment and figure, the utility model is described in further detail, but embodiment party of the present utility model
Formula is not limited only to this.
A kind of heavy metal waste water treatment system, arranges including system control unit, system mode detector unit and successively
Pretreatment system 1, ultrafiltration system and NF system, wherein,
Regulating reservoir 11, flotation tank 12, sand filter, carbon filtering pool and heavy metal that pretreatment system 1 includes setting gradually are inhaled
Adsorption device 17, is provided with flotation tank 12 and recycles the molten pneumatic module of backflow that flotation tank 12 waste water carries out molten gas purification to it
13.
As depicted in figs. 1 and 2, in such scheme, regulating reservoir 11 includes one for holding the raw water containing heavy metal ion
Pond 111, is provided with circulation duct between former pond 111 and flotation tank 12, wherein, in order to condense the particulate matter in water body,
It is injected with flocculant 114 and coagulant 113 in connecting pipe, be communicated with a pipe-line mixer 115 in the duct, for mixing
Above-mentioned flocculant 114, coagulant 113 and raw water, during actual operation, coagulant 113 and flocculant 114 include being polymerized
Aluminum chloride and nonionic high polymer coagulant 114, above-mentioned additive leaves in respectively and utilizes metering valve quantitative in a container
Inject in connecting pipe.
The water body in molten gas at the bottom of pond portion is re-injected after newly molten gas by being of the group syllabus of the molten pneumatic module 13 of above-mentioned backflow
To molten gas at the bottom of pond portion, rely on the particulate matter in the bubble adsorbed water body being dissolved in water body, and be raised to the surface of water body.
Above-mentioned setting can reduce the usage amount of its exterior water body.It is described in further detail, the molten pneumatic module 13 that flows back includes being interconnected
Floatation reflux pump 132 and dissolving 131, the water inlet end of floatation reflux pump 132 is connected with the bottom sidewall of flotation tank 12 use
To convey clear water in dissolving 131, the discharge ends of dissolving 131 are disposed adjacent with the waste water input port of flotation tank 12, air supporting
It is provided with electric butterfly valve 20 between pond 12 and floatation reflux pump 132, dissolving 131 and flotation tank 12.
Above-mentioned sand filter belongs to more medium filter, is a kind of pressure filter, is filled in using filter
Purity quartzite filtrate, when water inlet flows through filtering layer from top to bottom, the float in water and baregin granule are removed, so that
The turbidity of water（NTU）And pollution index（SDI）Reduce.The main material of sand filter 15 is cobblestone and quartz sand, and cobblestone is made
For bottom supporting layer, by thick to thin（Start from the bottom to top to load）, it is filled to till low head fills up.
For above-mentioned carbon filter, also known as charcoal filter, it is a kind of pressure filter.High-quality selected by built-in filler
Active fruit shell carbon, bottom is quartz sand.
Heavy metal adsorption device 17 includes two acidic resins adsorbent equipments 171 being interconnected and basic resin absorption
Device 172.Chemical equation wherein substantially is：
Fe3++3HR→FeR+3H+Ni2++2HR→NiR+2H+；
When raw water enters A ion exchanger, the H+ in the various cationes and ion exchange resin that contain in water is made to occur
As above react, the result of above-mentioned reaction is the various cationes in water（Fe3+, Ni2+ etc.）It is attracted on ion exchange resin,
And the H+ on ion exchange resin is then in water, the cation in water almost comprises only H+, and in it and water, various aniones occur
Effect generates various acids.
The mechanism of ultrafiltration refers to by the comprehensive effect of film surface mechanical grading, fenestra retardance and film surface and fenestra absorption,
Based on sieving.For ultrafiltration system, as shown in figure 3, including the ultra filtration filter 23 of at least two groups laid out in parallel settings and surpassing
Filter equipment 24, ultrafiltration apparatuss 24 are made up of the super filter tube 241 of many laid out in parallel, the water inlet end of many super filter tubes 241 and ultrafiltration
The outlet of filter 23 is connected, and water side is connected with NF system, is provided with and is filtered using ultrafiltration system in ultrafiltration system
Waste water carrys out the backwash assembly that ultrafiltration apparatuss 24 are carried out afterwards.
Because the fault rate of super filter tube 241 is higher, by arranging two groups of ultra filtration filters 23 and ultrafiltration apparatuss 24, Ke Yibao
In one group of device fails, another group of equipment can be continuing with the normal operation it is ensured that system to card.
Above-mentioned backwash assembly includes the hyperfiltration reverse-rinsing pump 25 that a water inlet end is connected, hyperfiltration reverse-rinsing with the 3rd intermediate pool 26
The water side of pump 25 is connected with the water side of super filter tube 241 respectively in order to be surpassed using the waste water flushing in the 3rd intermediate pool 26
Chimney filter 241 and its be attached thereto logical pipeline.Using the water body after filtering, the body of super filter tube 241 is carried out, can subtract
The demand of few clear water to external world.
For NF system, as shown in Figure 4 and Figure 5, including the RO booster pump 27, the security personnel's filter 28, that are sequentially communicated setting
Level 30, two grades of RO equipment 31 of RO equipment, are equipped with 30, two grades of RO equipment 31 of one-level RO equipment and are filtered using two grades of RO equipment 31
Waste water comes to 30, two grades of cleaning assemblies that RO equipment 31 is carried out of one-level RO equipment afterwards.
30, two grades of RO equipment 31 of one-level RO equipment include the RO high-pressure pump 29 being connected with security personnel's filter 28, and and RO
The many reverse osmosiss pipes 301 that high-pressure pump 29 is connected, many reverse osmosiss pipes 301 form multiple reverse osmosiss moulds of setting parallel with one another
Block, multiple reverse osmosis module are serially connected setting and outfan is connected with the 4th intermediate pool 32, multiple reverse osmosiss pipes 301
Water side is provided with sampling valve.
As shown in fig. 6, cleaning assembly includes a cleaning water tank 36, cleaning water tank 36 is connected with the backwater pond of system,
For obtaining the cleaning waste water after filtering through two grades of RO equipment 31, cleaning water tank 36 is communicated with a flushing water pump 35 and a cleaning filter
Device 34, the cleaning cleaned water pump of waste water 35 in cleaning water tank 36, is connected with the water inlet end of many reverse osmosiss after cleaning filter 34
Logical, it is equipped with Pneumatic butterfly valve or electronic butterfly between cleaning water tank 36, flushing water pump 35, cleaning filter 34 and reverse osmosiss pipe 301
Valve 20.
System mode detector unit includes the pressure gauge 21 being arranged on each connecting pipeline and effusion meter 22, and setting
Electrical conductivity table in NF system, PH value detector and temperature monitor；
System control unit includes processor module and control terminal assembly, and control terminal assembly includes being arranged at each
Electromagnetic valve in connecting pipeline, Pneumatic butterfly valve and electric butterfly valve 20, the detection of processor module reception system state detection unit
Value controls described control terminal assembly action, the flow of waste water and flow direction in adjustment Waste Water Treatment.
Optimize, between flotation tank 12 and sand filter, between heavy metal adsorption device 17 and ultra filtration filter 23, ultrafiltration sets
It is respectively arranged with the first intermediate pool between standby 24 and RO booster pumps 27 and between one-level RO equipment 30 and two grades of RO equipment 31
14th, the second intermediate pool 18, the 3rd intermediate pool 26, the 4th intermediate pool 32, are equipped with and processor in multiple intermediate pool
The liquid level detection device that module by signal connects, the side wall of multiple intermediate pool is equipped with water inlet pipe and outlet pipe and control
Water inlet pipe processed, the control terminal assembly of outlet pipe break-make.
For the reliability of strengthening system, be set side by side between the first intermediate pool 14 and sand filter 15 at least two with
In the raw water pump 19, the water inlet end of raw water pump 19 and the water side that are pumped into the waste water in the first intermediate pool 14 in sand filter 15
It is equipped with electric butterfly valve 20 or Pneumatic butterfly valve.
Designed based on said system, method of wastewater treatment of the present utility model, as shown in fig. 7, comprises following steps：
S1, the waste water containing bulky grain heavy metal is added in regulating reservoir 11, and adds flocculation in backward regulating reservoir 11
Particulate matter in waste water is agglomerated to together by agent 114 using flocculant 114；
S2, the waste water containing flocculant 114 is drained in flotation tank 12, using the bubble in flotation tank 12 by waste water
Particulate matter be lifted to the surface of flotation tank 12 and then separate out；
S3, the waste water after purifying through flotation tank 12 is drained in the first intermediate pool 14, when its liquid level reaches predetermined altitude
When, waste water is drained in sand filter and carbon filtering pool, in order to block when preventing waste water from being excluded by the first intermediate pool 14, first
It is provided with two sets of raw water pumps 19 between intermediate pool 14 and sand filter 15, select wherein a set of during use；
S4, the waste water large particulate matter after filtering through sand filter 15 and carbon filtering pool device significantly reduces, and then enters waste water
To in resin absorption device, using the acid particulate matter gone out further in waste water with alkaline solution, then waste water is entered
To in the second intermediate pool 18；
S5, when the liquid level of the second intermediate pool 18 reaches predetermined altitude, processor module controls described control eventually
Waste water is drained in ultra filtration filter 23 by end assembly by the second intermediate pool 18, is drained into ultrafiltration apparatuss 24 after once filtering
In, filter out the particulate pollutant in water further using ultrafilter membrane, the waste water after filtration is drained in the 3rd intermediate pool 26,
When the liquid level in the 3rd intermediate pool 26 reaches predetermined value, the waste water in the 3rd intermediate pool 26 is drained into NF system
In；
S6, carries out pressurized treatments to waste water so as to meet the osmotic pressure condition of RO equipment, and after through RO equipment, waste water is entered
Row filters further, and after 30, two grades of RO equipment 31 of one-level RO equipment filter, waste water is drained in reuse pool；
In above-mentioned steps S5 and S6, when the work efficiency of super filter tube 241 or reverse osmosiss pipe 301 substantially reduces, cleaning is super
The clear water of filter equipment 24 and 30, two grades of RO equipment 31 of one-level RO equipment is respectively from the 3rd intermediate pool 26 and the 4th intermediate pool
32.
In step S2 and S3, it is derived from and flotation tank 12 bottom water body with water in dissolving 131, when in sand filter with carbon filtering pool
Filter effect good when, using air compressor machine to the bottom water-filling of sand filter and carbon filtering pool, realize to sand filter and carbon filtering pool
Backwash.
The above is only preferred implementation of the present utility model, protection domain of the present utility model is not limited merely to above-mentioned
Embodiment, all technical schemes belonging under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that it is right
For those skilled in the art, some improvements and modifications under the premise of without departing from this utility model principle,
These improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of heavy metal waste water treatment system it is characterised in that include system control unit, system mode detector unit and
Pretreatment system (1), ultrafiltration system and the NF system arranged successively, wherein,
Regulating reservoir (11), flotation tank (12), sand filter, carbon filtering pool and weight that described pretreatment system (1) inclusion sets gradually
Metal adsorption device (17), is provided with described flotation tank (12) and recycles flotation tank (12) waste water it is carried out with molten gas purification
The molten pneumatic module of backflow (13)；
Described ultrafiltration system includes ultra filtration filter (23) and the ultrafiltration apparatuss (24) of at least two groups laid out in parallel settings, described super
Filter equipment (24) is made up of the super filter tube (241) of many laid out in parallel, the water inlet end of many described super filter tubes (241) and ultra filtration
The outlet of filter (23) is connected, and water side is connected with NF system, is provided with and utilizes ultrafiltration system in described ultrafiltration system
After filtration, waste water carrys out the backwash assembly that ultrafiltration apparatuss (24) are carried out；
Described NF system include being sequentially communicated the RO booster pump (27) of setting, security personnel's filter (28), one-level RO equipment (30), two grades
RO equipment (31), is equipped with described one-level RO equipment (30), two grades of RO equipment (31) after being filtered using two grades of RO equipment (31)
Waste water carrys out the cleaning assembly that one-level RO equipment (30), two grades of RO equipment (31) are carried out；
Described system mode detector unit includes the pressure gauge (21) being arranged on each connecting pipeline and effusion meter (22), and
It is arranged at electrical conductivity table in NF system, PH value detector and temperature monitor；
Described system control unit includes processor module and control terminal assembly, and described control terminal assembly includes being arranged at
Electromagnetic valve in each connecting pipeline, Pneumatic butterfly valve and electric butterfly valve (20), described processor module reception system state-detection
The detected value of unit controls described control terminal assembly action, the flow of waste water and flow direction in adjustment Waste Water Treatment.
2. heavy metal waste water treatment system according to claim 1 is it is characterised in that described flotation tank (12) and sand filtration
Between pond, between described heavy metal adsorption device (17) and ultra filtration filter (23), described ultrafiltration apparatuss (24) and RO booster pump
(27) be respectively arranged between and between one-level RO equipment (30) and two grades of RO equipment (31) the first intermediate pool (14),
Two intermediate pool (18), the 3rd intermediate pool (26), the 4th intermediate pool (32), are equipped with and processor in multiple intermediate pool
The liquid level detection device that module by signal connects, the side wall of multiple intermediate pool is equipped with water inlet pipe and outlet pipe and control
Water inlet pipe processed, the control terminal assembly of outlet pipe break-make.
3. heavy metal waste water treatment system according to claim 1 is it is characterised in that the molten pneumatic module of described backflow (13) is wrapped
Include the floatation reflux pump (132) being interconnected and dissolving (131), the water inlet end of described floatation reflux pump (132) and flotation tank
(12) bottom sidewall is connected in order to conveying clear water, the discharge ends of described dissolving (131) and air supporting in dissolving (131)
The waste water input port in pond (12) is disposed adjacent, described flotation tank (12) and floatation reflux pump (132), dissolving (131) and air supporting
Pond is provided with Pneumatic butterfly valve between (12).
4. heavy metal waste water treatment system according to claim 2 it is characterised in that described first intermediate pool (14) with
It is set side by side with least two for the waste water in the first intermediate pool (14) is pumped into sand filter between sand filter (15)
(15) raw water pump (19) in, the water inlet end of described raw water pump (19) and water side are equipped with electric butterfly valve (20) or pneumatic butterfly
Valve.
5. heavy metal waste water treatment system according to claim 1 is it is characterised in that described backwash assembly includes a water inlet
Hold the hyperfiltration reverse-rinsing pump (25) that is connected with the 3rd intermediate pool (26), the water side of described hyperfiltration reverse-rinsing pump (25) respectively with institute
State super filter tube (241) water side be connected in order to using the waste water flushing super filter tube (241) in the 3rd intermediate pool (26) and
It is attached thereto logical pipeline.
6. heavy metal waste water treatment system according to claim 2 it is characterised in that described one-level RO equipment (30), two
Level RO equipment (31) includes and described security personnel's filter (28) RO high-pressure pump (29) of being connected, and with described RO high-pressure pump (29)
Many reverse osmosiss pipes (301) being connected, many described reverse osmosiss pipes (301) form multiple reverse osmosiss moulds of setting parallel with one another
Block, multiple described reverse osmosis module are serially connected setting and outfan is connected with described 4th intermediate pool (32), Duo Gesuo
The water side stating reverse osmosiss pipe (301) is provided with sampling valve.
7. heavy metal waste water treatment system according to claim 6 is it is characterised in that described cleaning assembly includes a cleaning
Water tank (36), described cleaning water tank (36) is connected with the backwater pond of system, filters through two grades of RO equipment (31) for obtaining
Cleaning waste water afterwards, described cleaning water tank (36) is communicated with a flushing water pump (35) and a cleaning filter (34), described rinse water
The cleaned water pump of cleaning waste water (35) in case (36), cleaning filter are connected with the water inlet end of many described reverse osmosiss after (34)
Logical, it is equipped with pneumatic between described cleaning water tank (36), flushing water pump (35), cleaning filter (34) and reverse osmosiss pipe (301)
Butterfly valve or electric butterfly valve (20).
8. heavy metal waste water treatment system according to claim 6 is it is characterised in that described heavy metal adsorption device (17)
Including two acidic resins adsorbent equipments (171) being interconnected and basic resin adsorbent equipment (172).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620782597.4U CN205974027U (en) | 2016-07-23 | 2016-07-23 | Heavy metal waste water treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620782597.4U CN205974027U (en) | 2016-07-23 | 2016-07-23 | Heavy metal waste water treatment system |
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| Publication Number | Publication Date |
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| CN205974027U true CN205974027U (en) | 2017-02-22 |
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| CN201620782597.4U Expired - Fee Related CN205974027U (en) | 2016-07-23 | 2016-07-23 | Heavy metal waste water treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007040A (en) * | 2016-07-23 | 2016-10-12 | 杭州真水流体技术有限公司 | Heavy metal wastewater treatment system and method |
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2016
- 2016-07-23 CN CN201620782597.4U patent/CN205974027U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007040A (en) * | 2016-07-23 | 2016-10-12 | 杭州真水流体技术有限公司 | Heavy metal wastewater treatment system and method |
| CN106007040B (en) * | 2016-07-23 | 2022-09-06 | 杭州真水流体技术有限公司 | Heavy metal wastewater treatment system and method |
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