CN103449560B - Waste liquid disposal system - Google Patents
Waste liquid disposal system Download PDFInfo
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- CN103449560B CN103449560B CN201310438967.3A CN201310438967A CN103449560B CN 103449560 B CN103449560 B CN 103449560B CN 201310438967 A CN201310438967 A CN 201310438967A CN 103449560 B CN103449560 B CN 103449560B
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Abstract
The invention discloses a waste liquid disposal system which comprises a waste liquid pool used for containing waste liquid to be disposed, a pump with a liquid inlet communicated with the bottom of the waste liquid pool and a filter device with a liquid inlet communicated with a liquid outlet of the pump, wherein a liquid outlet is further formed in the filter device. According to the technical scheme, the waste liquid is output to the filter device from the waste liquid pool through the pump and harmful substances in the waste liquid is removed through the filter device. Therefore, the waste liquid disposal system can remove the harmful substances of organic reagent, heavy metal and the like in the waste liquid, dispose the waste liquid to the extent of harmlessness and greatly reduce the damage to the environment and the human body.
Description
Technical field
The application's matter relates to the processing technology field of the waste liquid to test set discharges such as on-line analysis analyser, laboratories, more particularly, relates to a kind of liquid waste treatment system.
Background technology
Some chemical laboratories often can produce some waste liquids; the comparatively small amt of these waste liquids, complicated component; also usually containing the heavy metal such as poisonous organic reagent and chromium, zinc, nickel, great harm will be caused to environment and human body as directly discharged without process.
Only simply neutralize rear discharge when processing these waste liquids at present, and do not process the organic reagent in waste liquid and heavy metal, the waste liquid after process still has great harm to environment and human body.
Summary of the invention
In view of this, the application provides a kind of liquid waste treatment system, the organic reagent in waste liquid and heavy metal can be removed.
To achieve these goals, the existing scheme proposed is as follows:
A kind of liquid waste treatment system, comprising:
For holding the waste liquid pool of pending waste liquid;
The pump that fluid inlet is connected with the bottom of described waste liquid pool;
Fluid inlet is connected with the liquid outlet of described pump, and for the filtration unit adsorbed the organic reagent in described waste liquid and heavy metal, described filtration unit is also provided with liquid outlet.
Preferably, described adsorption unit comprises:
Be provided with the hollow cylinder of fluid inlet and liquid outlet;
Be arranged on the adsorbent in described hollow cylinder.
Preferably, described adsorbent comprises:
Gac and/or ion exchange resin.
Preferably, also comprise:
Be connected with described waste liquid pool, for carrying out the neutralising arrangement of neutralization operation to the waste liquid in described waste liquid pool.
Preferably, described neutralising arrangement comprises:
For holding the reagent of pH regulator liquid;
Fluid inlet is connected with described reagent, and liquid outlet is connected with described waste liquid pool, for described pH regulator liquid being inputted the reagent pump in described waste liquid pool.
Preferably, also comprise:
Being arranged in described waste liquid pool, for exporting high signal when the liquid level in described waste liquid pool is in maximum limit liquid level, exporting the liquid level sensor of low level signal when the liquid level in described waste liquid pool is in minimum restriction liquid level;
Be connected with described liquid level sensor, for controlling the treater that described water pump is opened or controlled the stopping of described water pump according to described low level signal according to described high signal.
Preferably, also comprise:
Fluid inlet is connected with the liquid outlet of described objectionable impurities filtration unit, for the flow-through cell of keeping in the waste liquid after process;
Described flow-through cell is provided with discharge outlet and liquid return hole, and described liquid return hole is connected by pipeline with described waste liquid pool.
Preferably, also comprise:
Be arranged in described flow-through cell, for detecting the first conductivity meter of the specific conductivity of treated waste liquid in described flow-through cell;
Be arranged in described waste liquid pool, for detecting the second conductivity meter of the specific conductivity of the waste liquid in described waste liquid pool;
Described treater is connected with described first conductivity meter, described second conductivity meter respectively, also for the output processing qualifying signal when the difference of the output valve of described first conductivity meter and the output valve of described second conductivity meter exceeds preset range, when described difference is within preset range the defective signal of output processing;
Be arranged on described discharge outlet, for bleed valve discharging of waste liquid treated in described flow-through cell fallen according to described process qualifying signal;
Being arranged on the pipeline for being communicated with described liquid return hole and described waste liquid pool, returning liquid valve for being transmitted back to by waste liquid treated in described flow-through cell according to the defective signal of described process in described waste liquid pool.
As can be seen from above-mentioned technical scheme, waste liquid pool, pump and filtration unit is comprised in liquid waste treatment system disclosed in the embodiment of the present application, waste liquid in waste liquid pool outputs in filtration unit by pump, and filtration unit utilizes adsorbent wherein the organic reagent in waste liquid or heavy metal to be removed.Therefore the organic reagent contained in waste liquid and heavy metal can be removed by native system, thus by liquid waste disposal to complete innoxious degree, significantly reduce the harm to environment and human body.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structure iron of Fig. 1 liquid waste treatment system disclosed in the embodiment of the present application;
The structure iron of Fig. 2 a kind of neutralising arrangement disclosed in the embodiment of the present application;
The structure iron of Fig. 3 a kind of filtration unit disclosed in the embodiment of the present application;
Fig. 4 is a kind of liquid waste treatment system structure iron disclosed in another embodiment of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment one
Fig. 1 is the structure iron of a kind of liquid waste treatment system that the embodiment of the present application sky is opened.
As shown in Figure 1, liquid waste treatment system disclosed in the present embodiment comprises waste liquid pool 10, pump 30 and filters adsorption device 40, and wherein: the fluid inlet of pump 30 is connected with the bottom of waste liquid pool 10, the liquid outlet of pump 30 is connected with the fluid inlet 41 of filtration unit 40.
Waste liquid pool 10, for collecting storage of chemical waste liquid, processes for follow up device, can be the containers such as waste liquid cylinder, exhausted bath box or waste liquid tank.
The effect of pump 30 is that the waste liquid of process in waste liquid pool 10 is transported to filtration unit 40, and the water pump 30 in the present embodiment is metering diaphragm pump preferably.
Filtration unit 40 is provided with fluid inlet 41 and liquid outlet 42, and fluid inlet 41 is connected with the liquid outlet 32 of pump 30, for the objectionable impuritiess such as the organic reagent in waste liquid, heavy metal being filtered.Discharge from liquid outlet 42 after waste liquid is disposed in filtration unit.
The structure of filtration unit is multiple hollow cylinders be cascaded, as shown in Figure 2, the top and bottom of hollow cylinder 43 are respectively arranged with import 431 and outlet 432, when carrying out liquid waste disposal, the flow direction of waste liquid is from bottom to top, the object of such design is that the adsorbent of waste liquid in hollow cylinder 43 is fully contacted, multiple hollow cylinder 43 is connected successively, namely the outlet 432 of first hollow cylinder 43 is connected with the import 431 of second hollow cylinder 43, an end to end so to the last hollow cylinder 43.The import 431 of first hollow cylinder 43 is as the fluid inlet 41 of filtration unit 40, and the outlet 432 of last hollow cylinder 43 is as the liquid outlet 42 of filtration unit 40.
For the organic reagent in objectionable impurities, gac can be used to adsorb, and adopt ion exchange resin to adsorb for heavy metal the present embodiment.
Gac is a kind of charcoal through special processing, there is countless tiny hole, surface-area is huge, the surface-area of every gram of gac is 500-1500 square metre, there are very strong physical adsorption and chemisorption function, can combine with number of chemical material, thus stop the diffusion of these materials, here by gac, the organic reagent in waste liquid is adsorbed, also for adsorbing to fall the pigment in waste liquid.
Ion exchange resin is a kind of functional high molecule material containing ion-exchange group in cross-linked polymer structures, is insoluble to acid solution, alkali lye and various organic solvent, structure belongs to the multifunctional macromolecule material neither dissolving also not melting.When ion exchange resin can be regenerated by being dipped in salt solution or acid solution after using for a long time or repeatedly and losing ion exchanging function.
Functionally segregant exchange resin is divided into anionite-exchange resin and Zeo-karb, is respectively used to exchange with the negatively charged ion in waste liquid and positively charged ion.The heavy metal contained in waste liquid is generally heavy metallic salt, exists in waste liquid with acid ion and heavy metal ion form.Heavy metal ion is positively charged ion, when by exchanging with the hydrogen ion of Zeo-karb during Zeo-karb, thus is adsorbed to fall; Acid ion is negatively charged ion, when by exchanging with the hydroxide ion of Zeo-karb during lunar calendar exchange resin, thus is adsorbed to fall.Hydrogen ion and hydroxide ion combine generation water, thus the zwitterion of heavy metallic salt is fallen by anionite-exchange resin, cationic exchange resin adsorption respectively.
Because anionite-exchange resin and Zeo-karb corresponding negatively charged ion and positively charged ion respectively, and zwitterion exists in pairs, so the amount of anionite-exchange resin and Zeo-karb is substantially suitable in the present embodiment.
The waste liquid exported from pump 30 is discharged respectively through the liquid outlet 42 of filtration unit 40 after the process of gac and/or ion exchange resin filtration unit 40, completes the process to waste liquid.
As can be seen from above-mentioned technical scheme, waste liquid pool 10, pump 30 and filtration unit 40 is comprised in liquid waste treatment system disclosed in the embodiment of the present application, waste liquid in waste liquid pool outputs in filtration unit 40 by pump 30, and filtration unit 40 utilizes adsorbent wherein the organic reagent in waste liquid or heavy metal to be removed.Therefore the organic reagent contained in waste liquid and heavy metal can be removed by native system, thus by liquid waste disposal to complete innoxious degree, significantly reduce the harm to environment and human body.
In addition, waste liquid in waste liquid pool sometimes may containing acid or alkaline matter, although these materials can be adsorbed to fall by ion exchange resin, but likely cause the corrosion of equipment, so be also provided with neutralising arrangement in the present embodiment, for regulating the potential of hydrogen of the waste liquid in waste liquid pool.
The structure iron of Fig. 3 a kind of neutralising arrangement disclosed in the embodiment of the present application.
As shown in Figure 3, neutralising arrangement 20 comprises reagent 21 and reagent pump 22, and the fluid inlet of reagent pump 22 is connected with reagent 21, and the liquid outlet of reagent pump is connected with waste liquid pool 10.
The pH regulator liquid for neutralizing waste liquid is contained with in reagent 21, so-called pH regulator liquid is the acid solution or alkali lye that add wherein according to the pH value of waste liquid in fact, when the pH value of waste liquid is less than 7, pH regulator liquid is alkaline matter, when the pH value in waste liquid pool is greater than 7, pH regulator liquid is acidic substance.Reagent pump 22 for the pH regulator liquid in reagent 21 is input in waste liquid pool 10, for carrying out acid-base neutralisation adjustment to the waste liquid in waste liquid pool 10.
Embodiment two
The structure iron of Fig. 4 a kind of liquid waste treatment system disclosed in another embodiment of the application.
As shown in Figure 4, liquid waste treatment system disclosed in the present embodiment adds flow-through cell 60 and treater 70 on the basis of a upper embodiment.
Flow-through cell 60 is provided with fluid inlet 62, discharge outlet 63 and liquid return hole 64, fluid inlet 62 is connected with the liquid outlet 42 of filtration unit 40, discharge outlet 63 is provided with bleed valve 631, liquid return hole 64 is connected by pipeline with the top of waste liquid pool 10, the pipeline being communicated with liquid return hole 64 and waste liquid pool 10 is provided with back liquid valve 641, the first conductivity meter 61 is provided with in flow-through cell 60, the second conductivity meter 11 and liquid level sensor 12 is provided with in waste liquid pool 10, treater 70 respectively with bleed valve 631, return liquid valve 641, liquid level sensor 12, first conductivity meter 61, second conductivity meter 11, water pump 30 is connected.
When the liquid level of the waste liquid in waste liquid pool 10 is in maximum limit liquid level, liquid level sensor 12 exports high signal, and when the liquid level of waste liquid in waste liquid pool 10 is in minimum restriction liquid level, liquid level sensor 12 exports low level signal.In practical application, liquid level sensor 12 can be made up of two sensors, is separately positioned on the height of maximum limit liquid level and the height of minimum restriction liquid level, and is respectively used to send high signal and low level signal.
Treater 70 starts water pump 30 when receiving high signal, is exported by the waste liquid in waste liquid pool 10, and waste liquid, successively by absorbent charcoal adsorber 40 and resin absorption device 50, finally sends into flow-through cell 60.Treater 70 controls water pump 30 when receiving low level signal and cuts out, and stops the process to waste liquid.
So just can realize without the need to human intervention, expanding the range of application of liquid waste treatment system disclosed in the present embodiment to the automatic process of waste liquid.Liquid waste treatment system disclosed in the present embodiment can be arranged on the places such as unattended water quality monitoring (WQM) station, realize the automatic process to waste liquid.
In first conductivity meter 61 pairs flow-through cell 60, the specific conductivity of treated waste liquid detects and exports the first conductivity value to treater 70; The specific conductivity of the waste liquid in the second conductivity meter 11 pairs waste liquid pool 10 detects and exports the second conductivity value to treater 70.
The specific conductivity of waste liquid can the concentration of contained ion in waste reaction solution, and be directly proportional to concentration, and the specific conductivity that waste liquid after treatment compares waste liquid before treatment should have larger reduction.Therefore the treatment effect of waste liquid can be learnt by comparing two conductivity values.
Treater 70 by the first conductivity value compared with the second conductivity value, if the first conductivity value and the second conductivity value differ greatly illustrate that the treatment effect of waste liquid is better, treater 70 control discharge valve 631 is opened, and the treated waste liquid in flow-through cell 60 will be discharged;
If the first conductivity value differs less with the second conductivity value, illustrate that the effect of liquid waste disposal is bad, need again to process, at this moment treater 70 controls back liquid valve 641 and opens, treated waste liquid in flow-through cell 60 will to be got back in waste liquid pool 10 to treat to process next time, shows upgrade the gac 411 in absorbent charcoal adsorber 40 or the ion exchange resin 511 in resin absorption device 50 simultaneously.
By the treatment effect taking above measure can know waste liquid, when treatment effect is bad by waste back-cycling waste liquid pool 10, and operator are reminded to change gac or ion exchange resin in time, to re-start process.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the application.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (1)
1. a liquid waste treatment system, is characterized in that, comprising:
For holding the waste liquid pool of pending waste liquid;
The pump that fluid inlet is connected with the bottom of described waste liquid pool;
Fluid inlet is connected with the liquid outlet of described pump, and for the filtration unit adsorbed the organic reagent in described waste liquid and heavy metal, described filtration unit is also provided with liquid outlet; Described filtration unit comprises: the hollow cylinder being provided with fluid inlet and liquid outlet; Be arranged on the adsorbent in described hollow cylinder; Described adsorbent comprises: gac and/or ion exchange resin;
Be connected with described waste liquid pool, for carrying out the neutralising arrangement of neutralization operation to the waste liquid in described waste liquid pool; Described neutralising arrangement comprises: for holding the reagent of pH regulator liquid; Fluid inlet is connected with described reagent, and liquid outlet is connected with described waste liquid pool, for described pH regulator liquid being inputted the reagent pump in described waste liquid pool;
Being arranged in described waste liquid pool, for exporting high signal when the liquid level in described waste liquid pool is in maximum limit liquid level, exporting the liquid level sensor of low level signal when the liquid level in described waste liquid pool is in minimum restriction liquid level;
Be connected with described liquid level sensor, for controlling the treater that described pump is opened or controlled the stopping of described pump according to described low level signal according to described high signal;
Fluid inlet is connected with the liquid outlet of described filtration unit, for the flow-through cell of keeping in the waste liquid after process; Described flow-through cell is provided with discharge outlet and liquid return hole, and described liquid return hole is connected by pipeline with described waste liquid pool;
Be arranged in described flow-through cell, for detecting the first conductivity meter of the specific conductivity of treated waste liquid in described flow-through cell;
Be arranged in described waste liquid pool, for detecting the second conductivity meter of the specific conductivity of the waste liquid in described waste liquid pool;
Described treater is connected with described first conductivity meter, described second conductivity meter respectively, also for the output processing qualifying signal when the difference of the output valve of described first conductivity meter and the output valve of described second conductivity meter exceeds preset range, when described difference is within preset range the defective signal of output processing; And remind operator to change gac or ion exchange resin in time;
Be arranged on described discharge outlet, for bleed valve discharging of waste liquid treated in described flow-through cell fallen according to described process qualifying signal;
Being arranged on the pipeline for being communicated with described liquid return hole and described waste liquid pool, returning liquid valve for being transmitted back to by waste liquid treated in described flow-through cell according to the defective signal of described process in described waste liquid pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438967.3A CN103449560B (en) | 2013-09-24 | 2013-09-24 | Waste liquid disposal system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438967.3A CN103449560B (en) | 2013-09-24 | 2013-09-24 | Waste liquid disposal system |
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| CN103449560A CN103449560A (en) | 2013-12-18 |
| CN103449560B true CN103449560B (en) | 2015-06-17 |
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| CN201310438967.3A Active CN103449560B (en) | 2013-09-24 | 2013-09-24 | Waste liquid disposal system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698741A (en) * | 2015-11-18 | 2017-05-24 | 富鼎电子科技(嘉善)有限公司 | Waste liquid treatment system and waste liquid treatment method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922509B (en) * | 2014-04-28 | 2015-10-14 | 江苏汇环环保科技有限公司 | Online automatic monitor |
| CN107900018A (en) * | 2017-11-22 | 2018-04-13 | 奕铭（大连）科技发展有限公司 | Automatic cleaning equipment for laboratory |
| CN109437425A (en) * | 2018-12-25 | 2019-03-08 | 哈工大机器人（合肥）国际创新研究院 | The liquid waste treating apparatus of plasma polishing machine, device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5236595A (en) * | 1990-07-06 | 1993-08-17 | International Environmental Systems, Inc., Usa | Method and apparatus for filtration with plural ultraviolet treatment stages |
| CN1162821A (en) * | 1996-01-11 | 1997-10-22 | 东芝株式会社 | Treating apparatus for radioactive waste liquid |
| CN201842715U (en) * | 2010-11-05 | 2011-05-25 | 王涛 | Inland-river shipborne reverse osmosis water purifier |
| CN202208664U (en) * | 2011-07-26 | 2012-05-02 | 天津市德中技术发展有限公司 | Waste water treatment system for PCB (Printed circuit board) manufacture technological process |
| CN203048701U (en) * | 2012-12-04 | 2013-07-10 | 浙江漂软电器销售有限公司 | Water treating device |
| CN203200106U (en) * | 2013-02-25 | 2013-09-18 | 成都通德药业有限公司 | System for circulating and recycling cooling water from freeze-drying workshop |
| CN203486933U (en) * | 2013-09-24 | 2014-03-19 | 力合科技（湖南）股份有限公司 | Liquid waste processing system |
-
2013
- 2013-09-24 CN CN201310438967.3A patent/CN103449560B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5236595A (en) * | 1990-07-06 | 1993-08-17 | International Environmental Systems, Inc., Usa | Method and apparatus for filtration with plural ultraviolet treatment stages |
| CN1162821A (en) * | 1996-01-11 | 1997-10-22 | 东芝株式会社 | Treating apparatus for radioactive waste liquid |
| CN201842715U (en) * | 2010-11-05 | 2011-05-25 | 王涛 | Inland-river shipborne reverse osmosis water purifier |
| CN202208664U (en) * | 2011-07-26 | 2012-05-02 | 天津市德中技术发展有限公司 | Waste water treatment system for PCB (Printed circuit board) manufacture technological process |
| CN203048701U (en) * | 2012-12-04 | 2013-07-10 | 浙江漂软电器销售有限公司 | Water treating device |
| CN203200106U (en) * | 2013-02-25 | 2013-09-18 | 成都通德药业有限公司 | System for circulating and recycling cooling water from freeze-drying workshop |
| CN203486933U (en) * | 2013-09-24 | 2014-03-19 | 力合科技（湖南）股份有限公司 | Liquid waste processing system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698741A (en) * | 2015-11-18 | 2017-05-24 | 富鼎电子科技(嘉善)有限公司 | Waste liquid treatment system and waste liquid treatment method |
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| CN103449560A (en) | 2013-12-18 |
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