CN104944617B - Heavy metal wastewater treatment apparatus and processing method - Google Patents
Heavy metal wastewater treatment apparatus and processing method Download PDFInfo
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- CN104944617B CN104944617B CN201510329289.6A CN201510329289A CN104944617B CN 104944617 B CN104944617 B CN 104944617B CN 201510329289 A CN201510329289 A CN 201510329289A CN 104944617 B CN104944617 B CN 104944617B
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Abstract
The present invention relates to sewage treatment equipment technical field, heavy metal wastewater treatment apparatus and processing method are specifically related to.This kind handles heavy metal wastewater thereby equipment, including material liquid induction system, heavy metal adsorption system, heavy metal resolution system, filter liquor induction system and concentrate reclaiming system；Material liquid induction system sends into the waste water containing heavy metal in heavy metal adsorption system；Heavy metal adsorption system is at least provided with a set of；Heavy metal resolution system includes gas tank and high pressure and supplied gas body device, and the gas tank is connected by high pressure air supply plant with outer barrel；Filter liquor induction system and concentrate reclaiming system are connected with the water side of outlet conduit respectively.Above-mentioned heavy metal wastewater treatment apparatus and method, can be achieved the reuse of nano adsorber and heavy metal ion, good sewage processing effect, adsorption capacity are big, analyzing efficiency is high, not result in secondary pollution, and with wide applicability.
Description
Technical field
The present invention relates to sewage treatment equipment technical field, heavy metal wastewater treatment apparatus and processing side are specifically related to
Method.
Background technology
For low concentration heavy metal water, the processing method commonly used at present has absorption method, ion-exchange etc., this kind of method
Due to being restricted by interference of the concurrent such as high in salt, high organic etc. in waste water in addition, it is impossible to carry out selective absorption to chromium, throw
Money and operating cost is higher, complex operation the problems such as.With the development of nanometer technology, the exploitation of nano material turns into research
Focus, organic-inorganic nanocomposite materials show special advantage in terms of the obligate absorption with chromium.
To solve the above problems, a kind of disclosed in the A of application publication number CN 103450393 application for a patent for invention directly locate
The nano-compound adsorbent preparation method of waste water containing chrome tanning is managed, existing nano-compound adsorbent shows very strong energy of adsorption
Power, had not only had physical absorption in this process but also had trapped and flocculate, while having nano effect with macromolecule electronics.By
Very small in the particle of nano-compound adsorbent, nano-compound adsorbent after use is with shipwreck to separate, it is impossible to realize again
Secondary pollution is easily caused using the nano-compound adsorbent after, absorption, therefore is industrialized by nano-compound adsorbent
Heavy metal containing wastewater treatment cost it is high, use limitation.
The content of the invention
To overcome deficiency of the prior art, the present invention is provided one kind and can set using nano adsorber processing heavy metal wastewater thereby
Standby and method.
To achieve the above object, the technical solution adopted by the present invention is as follows：Heavy metal wastewater treatment apparatus, its feature exists
In：Returned including material liquid induction system, heavy metal adsorption system, heavy metal resolution system, filter liquor induction system and concentrate
Use system；
Material liquid induction system sends into the waste water containing heavy metal in heavy metal adsorption system；
Heavy metal adsorption system is at least provided with a set of, and it includes outer barrel, nanometer media filtration film cylinder, nano adsorber, drive
Dynamic device and outlet conduit, this nanometer of media filtration film cylinder is in outer barrel and nanometer media filtration film cylinder is hollow structure, should
Nano adsorber is filled between outer barrel and nanometer media filtration film cylinder and the particle diameter of nano adsorber is more than nanometer media filtration
The aperture of film cylinder, the drive device is connected to drive it to be rotated in outer barrel with nanometer media filtration film cylinder, the outlet conduit
Two ends are respectively that water inlet end and water side, its water inlet end are stretched into nanometer media filtration film cylinder；
Heavy metal resolution system includes gas tank and high pressure and supplied gas body device, and the gas tank passes through high pressure air supply plant and connected with outer barrel
It is logical；
Filter liquor induction system and concentrate reclaiming system are connected with the water side of outlet conduit respectively.
Optimization, material liquid induction system includes material liquid bucket, connection material liquid bucket and the sewage delivery device of outer barrel.
Optimization, the high pressure of heavy metal resolution system body device of supplying gas includes connection gas tank and the high pressure snorkel of outer barrel
Road, the check-valves being installed on high pressure air duct, regulating valve and flowmeter.
Optimization, filter liquor induction system includes filter liquor bucket, filter liquor conveying device and filter liquor reuse conveying device,
Filter liquor bucket is connected by filter liquor conveying device with the water side of outlet conduit, the filter liquor reuse conveying device is with filtering out
Liquid bucket connection.
Optimization, in addition to water purification filter system, the water purification filter system includes supercharging water feeding device and filtration module, should
Supercharging water feeding device connects filter liquor induction system with filtration module, filter water discharge, the trap water loopback of the filtration module
Into material liquid induction system.
Optimization, concentrate reclaiming system includes concentrate bucket, concentrate conveying device and concentrate reuse conveying device,
Concentrate bucket is connected by concentrate conveying device with the water side of outlet conduit, the concentrate reuse conveying device and concentration
Liquid bucket connection.
Optimization, material liquid induction system and/or filter liquor induction system are provided with bucket in transition, in bucket in transition
PH meter and ORP meter.
Process for treating heavy-metal waste water, it is characterised in that：Using above-mentioned heavy metal wastewater treatment apparatus, its process step
It is as follows：
During sewage disposal：
Material liquid induction system, heavy metal adsorption system and filter liquor induction system keep connected state,
Material liquid induction system inputs the sewage of heavy metal into outer barrel,
Nanometer media filtration film cylinder being rotated by drive device simultaneously, nano adsorber under agitation with dirt
Water carries out fully reaction can prevent nano adsorption by the nanometer media filtration film cylinder that the heavy metal substance in sewage is adsorbed and is rotated
Agent enters in nanometer media filtration film cylinder, and pass through reacted filter liquor then can enter nanometer media filtration by passing through fenestra
In film cylinder；
Filter liquor in nanometer media filtration film cylinder is drawn reuse by filter liquor induction system by outlet conduit；
When nano adsorber is parsed：
Heavy metal resolution system, heavy metal adsorption system and concentrate reclaiming system keep connected state,
Gas tank injects reaction under high pressure gas into outer barrel by high pressure air supply plant,
Nanometer media filtration film cylinder being rotated by drive device simultaneously, nano adsorber under agitation with height
Body of calming the anger, which carries out fully reaction, can prevent nano adsorber from entering in the nanometer media filtration film cylinder that heavy metal is parsed and is rotated
In nanometer media filtration film cylinder, and the concentrate after precipitation then can be by entering nanometer media filtration film cylinder through fenestra
In；
Concentrate in nanometer media filtration film cylinder is drawn reuse by concentrate reclaiming system by outlet conduit.
Further, when heavy metal resolution system has many sets, wherein a set of heavy metal adsorption system carries out sewage disposal
Work, now other heavy metal adsorption system carries out nano adsorber parsing work.
Further, the filter liquor that filter liquor induction system is drawn enters in filtration module, the filter water of the filtration module
Discharge, trap water are recycled in material liquid induction system.
The heavy metal wastewater treatment apparatus and method provided from the above-mentioned description of this invention, the present invention, heavy metal
Absorption of the nano adsorber to heavy metal ions in sewage in adsorption system, and nano adsorber after use can be in a huge sum of money
Heavy metal ion is parsed in category resolution system, the reuse of nano adsorber and heavy metal ion is realized, uses this
Heavy metal species sewage treatment equipment and processing method, good sewage processing effect, adsorption capacity are big, analyzing efficiency is high, do not result in
Secondary pollution, and with wide applicability.
Brief description of the drawings
Fig. 1 is the structural representation of heavy metal wastewater treatment apparatus.
Fig. 2 attaches most importance to the structural representation of metal adsorbent system.
Flow chart when Fig. 3 is heavy metal wastewater treatment apparatus sewage disposal.
Fig. 4 is flow chart when heavy metal wastewater treatment apparatus nano adsorber is parsed.
Embodiment
Below by way of embodiment, the invention will be further described.
Shown in reference picture 1, Fig. 2, heavy metal wastewater treatment apparatus, including material liquid induction system 1, heavy metal adsorption system
2nd, heavy metal resolution system 3, filter liquor induction system 4, concentrate reclaiming system 5 and water purification filter system 6；
Material liquid induction system 1 includes being provided with transition in material liquid bucket 11, sewage delivery device 12, material liquid bucket 11
PH is provided with interior bucket 111, the transition in bucket and counts 112 and ORP meters 113, sewage delivery device 12 is including with material liquid bucket 11 and outside
Bucket 21 connects sewage running piping 121, the sewage pump 122 being installed on successively on sewage running piping 121, pressure gauge 123, regulation
Valve 124, flowmeter 125 and check-valves 126；
Heavy metal adsorption system 2 is provided with two sets, it include outer barrel 21, nanometer media filtration film tins 22, nano adsorber 23,
Drive device 24 and outlet conduit 25, this nanometer of media filtration film cylinder 22 are located in outer barrel 21 and nanometer media filtration film cylinder 22
For hollow structure, the nano adsorber 23 is filled between outer barrel 21 and nanometer media filtration film cylinder 22 and nano adsorber 23
Particle diameter be more than the aperture of nanometer media filtration film cylinder 22, the drive device 24 is connected to drive with nanometer media filtration film tin 22
It rotates in outer barrel 21, and the two ends of the outlet conduit 25 are respectively that water inlet end and water side, its water inlet end stretch into a nanometer medium
In filter membrane cylinder 22；
Heavy metal resolution system 3 includes gas tank 31 and high pressure and supplied gas body device 32, and high pressure body device 32 of supplying gas includes connection
Gas tank 31 and the high pressure air duct 321, the check-valves 322 being installed on successively on high pressure air duct, regulating valve 323 of outer barrel 21
With flowmeter 324；
Filter liquor induction system 4 includes being provided with filter liquor bucket 41, filter liquor conveying device 42, filter liquor bucket 41
Cross interior bucket 411, count 412 and ORP meters 413 provided with PH in bucket 411 in the transition, filter liquor conveying device 42 includes and filter liquor bucket
The 41 filter liquor conveyance conduits 421 connected with the water side of outlet conduit 25, it is sequentially connected on filter liquor conveyance conduit 421
Pressure gauge 422 and regulating valve 423；
Concentrate reclaiming system 5 includes concentrate bucket 51, concentrate conveying device 52 and concentrate reuse conveying device 53,
The concentrate reuse conveying device 52 includes the concentrate delivery pipe connected with the water side of concentrate bucket 51 and outlet conduit 25
521st, the pressure gauge 522 and regulating valve 523 being connected in concentrate delivery pipe 521, the concentrate reuse conveying device 53 include
With the concentrate reuse delivery pipe 531 that is connected of concentrate bucket 51, be connected to feeding engine 532 in concentrate reuse delivery pipe 531,
Pressure gauge 533, regulating valve 534 and flowmeter 535；
Water purification filter system 6 includes supercharging water feeding device 61 and filtration module 62, and the supercharging water feeding device 61 includes connection
Filter liquor bucket 41 and the supercharging water feeding pipeline 611 of filtration module 62, are connected to the booster pump 612 on the supercharging water feeding pipeline 611
With pressure gauge 613, the filtration module 62 includes the filter membrane of multiple series connection, and the filter water discharge of the filtration module, trap water are returned
Deliver to and handled again in material liquid bucket 11.
Referring to figs. 1 to shown in Fig. 4, a kind of process for treating heavy-metal waste water, using above-mentioned heavy metal wastewater treatment apparatus,
Its process step is as follows：
During sewage disposal：
Material liquid induction system 1, heavy metal adsorption system 2 and filter liquor induction system 4 keep connected state,
Sewage delivery device 12 inputs the sewage in material liquid bucket 11 in outer barrel 21,
While nanometer media filtration film 22 being rotated by drive device 24 of cylinder, nano adsorber 23 is in stirring condition
It is lower to prevent the nanometer media filtration film tin 22 that the heavy metal substance in sewage is adsorbed and is rotated with sewage progress fully reaction
Nano adsorber 23 enters in nanometer media filtration film cylinder 23, and passing through reacted filter liquor can then be entered by passing through fenestra
In nanometer media filtration film cylinder 23,
Filter liquor in nanometer media filtration film cylinder will be introduced into filter liquor bucket 41 by filter liquor conveying device 42, filter liquor
Filter liquor in bucket 41 is entered in filtration module 62 by supercharging water feeding device 61, and the filter water of the filtration module 62 is discharged, cut
Stay water to be recycled in material liquid induction system to handle again；
When nano adsorber is parsed：
Heavy metal resolution system 3, heavy metal adsorption system 2 and concentrate reclaiming system 5 keep connected state,
Gas tank 31 injects reaction under high pressure gas, reaction under high pressure gas preferably into outer barrel 21 by high pressure air supply plant 31
For carbon dioxide, pressure is more than 20 kilograms,
While nanometer media filtration film 22 being rotated by drive device 24 of cylinder, nano adsorber 23 is in stirring condition
Lower fully reacted with high-pressure carbon dioxide gas row can prevent the nanometer media filtration film cylinder 22 that heavy metal is parsed and is rotated
Nano adsorber 23 enters in nanometer media filtration film cylinder 22, and the concentrate after precipitation then can be by entering through fenestra
In nanometer media filtration film cylinder 22；
Concentrate in nanometer media filtration film cylinder is introduced into concentrate bucket 51 by concentrate conveying device 52, and concentrate is returned
The concentrate in concentrate bucket 51 is delivered into workshop reuse with conveying device 53.
Heavy metal resolution system 3 has two sets be used alternatingly, wherein a set of heavy metal adsorption system carries out sewage disposal
During work, heavy metal adsorption system in addition carries out nano adsorber parsing work, the working condition of two heavy metal resolution system 3
Switching is the PH meters for the measured value and filter liquor induction system 4 that 112 and ORP meters 113 are counted according to the PH of source material delivery system 1
412nd, the measured value of ORP meters 413 is determined.
Some embodiments of the present invention are above are only, but the design concept of the present invention is not limited thereto, all profits
The change of unsubstantiality is carried out to the present invention with this design, the behavior for invading the scope of the present invention all should be belonged to.
Claims (10)
1. heavy metal wastewater treatment apparatus, it is characterised in that：Including material liquid induction system, heavy metal adsorption system, heavy metal
Resolution system, filter liquor induction system and concentrate reclaiming system；
Material liquid induction system sends into the waste water containing heavy metal in heavy metal adsorption system；
Heavy metal adsorption system is at least provided with a set of, and it includes outer barrel, nanometer media filtration film cylinder, nano adsorber, driving dress
Put and outlet conduit, this nanometer of media filtration film cylinder is in outer barrel and nanometer media filtration film cylinder is hollow structure, the nanometer
Adsorbent is filled between outer barrel and nanometer media filtration film cylinder and the particle diameter of nano adsorber is more than nanometer media filtration film cylinder
Aperture, the drive device is connected to drive it to be rotated in outer barrel with nanometer media filtration film cylinder, the two ends of the outlet conduit
Respectively water inlet end and water side, its water inlet end are stretched into nanometer media filtration film cylinder；
Heavy metal resolution system includes gas tank and high pressure and supplied gas body device, and the gas tank is connected by high pressure air supply plant with outer barrel；
Filter liquor induction system and concentrate reclaiming system are connected with the water side of outlet conduit respectively.
2. heavy metal wastewater treatment apparatus according to claim 1, it is characterised in that：The material liquid induction system includes
Material liquid bucket, connection material liquid bucket and the sewage delivery device of outer barrel.
3. heavy metal wastewater treatment apparatus according to claim 1, it is characterised in that：The height of the heavy metal resolution system
Force feed gas device includes connection gas tank and high pressure air duct, the check-valves being installed on high pressure air duct, the tune of outer barrel
Save valve and flowmeter.
4. heavy metal wastewater treatment apparatus according to claim 1, it is characterised in that：The filter liquor induction system includes
Filter liquor bucket, filter liquor conveying device and filter liquor reuse conveying device, filter liquor bucket is by filter liquor conveying device with going out
The water side connection of waterpipe, the filter liquor reuse conveying device are connected with filter liquor bucket.
5. the heavy metal wastewater treatment apparatus according to claim 1 or 4, it is characterised in that：Also include water purification filter system,
The water purification filter system includes supercharging water feeding device and filtration module, and the supercharging water feeding device is by filter liquor induction system with filtering
Film group is connected, and the filter water discharge of the filtration module, trap water are recycled in material liquid induction system.
6. heavy metal wastewater treatment apparatus according to claim 1, it is characterised in that：The concentrate reclaiming system includes
Concentrate bucket, concentrate conveying device and concentrate reuse conveying device, concentrate bucket is by concentrate conveying device with going out
The water side connection of waterpipe, the concentrate reuse conveying device is connected with concentrate bucket.
7. the heavy metal wastewater treatment apparatus according to claim 1,2 or 6, it is characterised in that：The material liquid delivery system
System and/or filter liquor induction system are provided with bucket, PH meters and ORP meters in bucket in transition in transition.
8. process for treating heavy-metal waste water, it is characterised in that：Using the heavy metal described in any one of the claims 1 to 7
Sewage treatment equipment, its process step is as follows：
During sewage disposal：
Material liquid induction system, heavy metal adsorption system and filter liquor induction system keep connected state,
Material liquid induction system inputs the sewage of heavy metal into outer barrel,
While nanometer media filtration film cylinder being rotated by drive device, nano adsorber enters with sewage under agitation
The nanometer media filtration film cylinder that heavy metal substance in sewage is adsorbed and is rotated can be prevented nano adsorber from entering by row fully reaction
Enter in nanometer media filtration film cylinder, and pass through reacted filter liquor then can enter nanometer media filtration film cylinder by passing through fenestra
In；
Filter liquor in nanometer media filtration film cylinder is drawn reuse by filter liquor induction system by outlet conduit；
When nano adsorber is parsed：
Heavy metal resolution system, heavy metal adsorption system and concentrate reclaiming system keep connected state,
Gas tank injects reaction under high pressure gas into outer barrel by high pressure air supply plant,
Nanometer media filtration film cylinder being rotated by drive device simultaneously, nano adsorber under agitation with high pressure gas
Body, which carries out fully reaction, can prevent nano adsorber from entering nanometer in the nanometer media filtration film cylinder that heavy metal is parsed and is rotated
In media filtration film cylinder, and the concentrate after precipitation then can be by entering in nanometer media filtration film cylinder through fenestra；
Concentrate in nanometer media filtration film cylinder is drawn reuse by concentrate reclaiming system by outlet conduit.
9. process for treating heavy-metal waste water according to claim 8, it is characterised in that：Heavy metal resolution system has many sets
When, wherein a set of heavy metal adsorption system carries out sewage treatment works, now other heavy metal adsorption system carries out nanometer suction
Attached dose of parsing work.
10. process for treating heavy-metal waste water according to claim 8, it is characterised in that：The filter liquor induction system is drawn
The filter liquor gone out enters in filtration module, and the filter water discharge of the filtration module, trap water are recycled in material liquid induction system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510329289.6A CN104944617B (en) | 2015-06-15 | 2015-06-15 | Heavy metal wastewater treatment apparatus and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510329289.6A CN104944617B (en) | 2015-06-15 | 2015-06-15 | Heavy metal wastewater treatment apparatus and processing method |
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| CN104944617A CN104944617A (en) | 2015-09-30 |
| CN104944617B true CN104944617B (en) | 2017-07-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2343674A (en) * | 1998-11-11 | 2000-05-17 | Univ Staffordshire | Process for the removal of heavy metals from aqueous streams |
| CN100554172C (en) * | 2005-07-26 | 2009-10-28 | 东北林业大学 | A kind of method of heavy metal ion negative pressure cavitation absorption |
| JP5932288B2 (en) * | 2011-10-20 | 2016-06-08 | 佐竹化学機械工業株式会社 | Adsorption separation device |
| CN202849189U (en) * | 2012-05-08 | 2013-04-03 | 长沙理工大学 | Device for removing lead in industrial waste water by utilizing tea leaves |
| CN204737817U (en) * | 2015-06-15 | 2015-11-04 | 威洁（石狮）中水回用技术有限公司 | Heavy metal wastewater treatment facility |
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