CN101357811B - Organic waste water recovery and utilization apparatus - Google Patents
Organic waste water recovery and utilization apparatus Download PDFInfo
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- CN101357811B CN101357811B CN2007100445541A CN200710044554A CN101357811B CN 101357811 B CN101357811 B CN 101357811B CN 2007100445541 A CN2007100445541 A CN 2007100445541A CN 200710044554 A CN200710044554 A CN 200710044554A CN 101357811 B CN101357811 B CN 101357811B
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- waste water
- organic waste
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention provides an organic wastewater recovery device for treating the chemical oxygen demand of organic wastewater to be not more than the preset standards for the recovery and then being recovered by other water using units. The organic wastewater which is purer is wasted since the prior art has no organic wastewater recovery device. The organic wastewater recovery device of the invention comprises a collection tank for collecting the organic wastewater, a pH value adjustment tank for adjusting the pH value of the organic wastewater to the preset range of the pH value which is applicable to the microbial growth, a contact oxidation pond for degrading organic matter in the wastewater by the biological contact oxidation method, a settling tank for settling suspended matters in the wastewater, a buffer tank for storing the wastewater after the settlement, a filtration unit for filtering the wastewater which is stored in the buffer tank and a water generating tank for storing the wastewater after the filtration by the filtration unit. The device of the invention can lead the organic wastewater to be recovered by other water using units after the treatment, thereby greatly saving cost.
Description
Technical field
The present invention relates to wastewater treatment equipment, relate in particular to a kind of organic waste water recycle device.
Background technology
In field of semiconductor manufacture, chemical classes contained in the waste water that all multiple operation are discharged is determined, for example mainly contain Virahol (IPA) and citric acid in the waste water that discharge cmp (CMP) back, be directly it to be disposed to the treatment unit that is used to handle organic waste water in the factory now to those treatment of Organic Wastewater modes that contain Virahol and citric acid, this treatment unit can contain this organic waste water of Virahol and citric acid and handle together with the organic waste water that contains other compositions, but complicated component contained in those waste water of handling can't be recycled, and it can only be disposed in the natural water.But in semiconductor fabrication factory, a lot of operations are for example carried out the cooling tower of process for cooling, and its requirement to water is not very high, but the cooling tower in the existing factory also is to use more purified tap water or deionized water to cool off.
So, exist on the one hand and carry out that the organic waste water with regard to recyclable utilization is wasted after the simple process, the operation that need not to use tap water or deionized water is on the other hand used the phenomenon of tap water or deionized water because of no inferior grade water, so the water cost of factory can increase greatly.
Therefore, how to provide a kind of organic waste water recycle device, become the technical problem that needs to be resolved hurrily in the semicon industry with recycling for other water use sectors after the treatment of Organic Wastewater.
Summary of the invention
The object of the present invention is to provide a kind of organic waste water recycle device, can save cost greatly with recycling for other water use sectors after this treatment of Organic Wastewater by described treatment unit.
The object of the present invention is achieved like this: a kind of organic waste water recycle device, be used for chemical oxygen demand (COD) with organic waste water and be treated to not to be higher than and recycle for other water use sectors after recycling preset standard, this treatment unit comprises and interconnects and be respectively applied for the receiving tank of collecting organic waste water, being used for pH value with organic waste water is adjusted to a pH value that is suitable for the pH value preset range of microorganism growth and adjusts groove, be used for by the contact-oxidation pool of biological contact oxidation process the organic matter degradation of waste water, be used for the sedimentary settling bath of the suspended substance of waste water, be used to store the dashpot of the waste water after precipitation tank for precipitation, the product tank of the waste water after the waste water that is used for that dashpot is stored carries out filtering filtering unit and is used to store unit filtration after filtration.
In above-mentioned organic waste water recycle device, this PH adjusts to be provided with pH value detecting unit, alkaline dosing unit in groove and to drive alkaline dosing unit dosing according to the pH value that the pH value detecting unit is detected and is adjusted to adjustment groove control unit in the pH value preset range with the pH value with waste water.
In above-mentioned organic waste water recycle device, this pH value preset range is 7 to 8.
In above-mentioned organic waste water recycle device, be provided with the chemical oxygen demand (COD) detecting unit in this product tank, in line driver element, backflow driver element and emission control unit, wherein, this chemical oxygen demand (COD) detecting unit is used for detecting the chemical oxygen demand (COD) of producing tank, this in line driver element and this backflow driver element are respectively applied for and drive the discharge of wastewater that produces in the tank to other water use sectors and receiving tank, when the chemical oxygen demand (COD) detecting unit detects chemical oxygen demand (COD) above this recycling preset standard, waste water in the in line drive unit drives product of this emission control unit control tank is to other water use sectors, when the chemical oxygen demand (COD) detecting unit detected chemical oxygen demand (COD) above this recycling preset standard, the waste water in this emission control unit control backflow drive unit drives product tank was to receiving tank.
In above-mentioned organic waste water recycle device, also be provided with sterilization dosing unit in this product tank, when the chemical oxygen demand (COD) detecting unit detected chemical oxygen demand (COD) above this recycling preset standard, sterilization dosing unit was also controlled to producing the sterilizing agent that tank adds preset dose in this emission control unit.
In above-mentioned organic waste water recycle device, the organic waste water of this receiving tank is urged to pH value by a receiving tank drive unit and adjusts groove.
In above-mentioned organic waste water recycle device, the waste water that this pH value is adjusted in the groove is disposed to contact-oxidation pool by the overflow mode.
In above-mentioned organic waste water recycle device, the waste water in this contact-oxidation pool is disposed to settling bath by the overflow mode.
In above-mentioned organic waste water recycle device, the organic waste water in this dashpot is urged to filtering unit by a dashpot drive unit.
In above-mentioned organic waste water recycle device, these other water use sectors are cooling tower or washing tower.
In above-mentioned organic waste water recycle device, this filtering unit is a sand tower.
In above-mentioned organic waste water recycle device, this scope of recycling preset standard be less than 5,000 ten thousand/.
With no organic waste water recycle device in the prior art more purified organic waste water can't being recycled compares, organic waste water recycle device of the present invention is adjusted to suitable microorganism growth with the pH value of organic waste water earlier, by biological contact oxidation process the organism in the waste water is decomposed then, at last its chemical oxygen demand (COD) is lower than recycle preset standard discharge of wastewater to other water use sectors so that this waste water is recovered utilization, so this waste water reclamation can be utilized and directly discharging after use, so can save cost greatly.
Description of drawings
Organic waste water recycle device of the present invention is provided by following embodiment and accompanying drawing.
Fig. 1 is the composition structural representation of organic waste water recycle device of the present invention.
Embodiment
Below will be described in further detail organic waste water recycle device of the present invention.
Referring to Fig. 1, organic waste water recycle device 1 of the present invention is used for chemical oxygen demand (COD) with organic waste water and is treated to not to be higher than and recycles for other water use sectors (not shown) after recycling preset standard, wherein, the span of described recycling preset standard is less than 5,000 ten thousand/(ppm), and described other water use sectors are cooling tower or washing tower etc.In the present embodiment, described other water use sectors are cooling tower.
Continuation is referring to Fig. 1, described organic waste water recycle device 1 comprises receiving tank 10, pH value adjustment groove 11, contact-oxidation pool 12, settling bath 13, dashpot 14, filtering unit 15 and produces tank 16, wherein, receiving tank 10, pH value are adjusted groove 11, contact-oxidation pool 12, settling bath 13, dashpot 14, filtering unit 15 and are produced between the tank 16 and connect by pipeline 17.The waste water that described pH value is adjusted in the groove 11 is disposed to contact-oxidation pool 12 by the overflow mode.Waste water in the described contact-oxidation pool 12 is disposed to settling bath 13 by the overflow mode.
Below the detailed member of organic waste water recycle device 1 of the present invention is elaborated.
Receiving tank 10 is used to collect organic waste water, and its outer setting has receiving tank driver element 100, and the stoste that described receiving tank driver element 100 drives in the receiving tank 10 is adjusted in the groove 11 to pH value.In the present embodiment, contain Virahol and citric acid in the organic waste water.
PH value is adjusted groove 11 and is used for pH value with organic waste water and is adjusted to a pH value preset range that is suitable for microorganism growth, and described pH value preset range is 7 to 8.Described PH adjusts to be provided with pH value detecting unit 110, alkaline dosing unit 111 in the groove 11 and to drive 111 dosings of alkaline dosing unit according to the pH value that pH value detecting unit 110 is detected and is adjusted to adjustment groove control unit 112 in the pH value preset range with the pH value with waste water, wherein, described alkaline dosing unit 111 is embodied as sodium hydroxide solution dosing unit usually.
Contact-oxidation pool 12 is used for by the organic matter degradation of biological contact oxidation process with waste water.Described biological contact oxidation process is by being provided with filler in contact-oxidation pool 12, and aerating apparatus is set at the bottom of the pond sewage is carried out oxygenation, and make body interior sewage in pond be in flow state, to guarantee that sewage fully contacts with the filler that is immersed in the sewage, so microorganism is water and carbonic acid gas with organic matter degradation under the competent situation of oxygen just.
Settling bath 13 is used for the suspended substance precipitation with waste water.
Dashpot 14 is used to store the waste water through settling bath 13 post precipitations, and its outer setting has dashpot driver element 140, and the waste water in the described settling bath driver element 140 driving dashpots 14 is to filtering unit 15.
Filtering unit 15 is used for the waste water that dashpot is stored is filtered.In the present embodiment, described filtering unit 15 is a sand tower.
Produce the waste water after tank 16 is used to store unit 15 filtrations after filtration.Be provided with chemical oxygen demand (COD) detecting unit 160 in the described product tank 16, in line driver element 161, backflow driver element 162, emission control unit 163 and sterilization dosing unit 164, wherein, described chemical oxygen demand (COD) detecting unit 160 is used for detecting the chemical oxygen demand (COD) of producing tank, described in line driver element 161 and described backflow driver element 162 are respectively applied for the discharge of wastewater that drive to produce in the tank 16 to other water use sectors and receiving tank 10, when chemical oxygen demand (COD) detecting unit 160 detects chemical oxygen demand (COD) when surpassing described recycling preset standard, waste water in the in line driver element 161 driving product tanks 16 of described emission control unit 163 controls is to other water use sectors, described emission control unit 163 is also controlled sterilization dosing unit 164 and add the sterilizing agent of preset dose in being produced tank 16, described sterilizing agent is generally the aqueous solution of chlorine, described preset dose is determined according to the volume that produces tank 16, when chemical oxygen demand (COD) detecting unit 160 detects chemical oxygen demand (COD) when surpassing described recycling preset standard, described emission control unit 163 control backflow driver elements 162 drive the waste water that produces in the tanks 16 to receiving tank 10.
So, just can use above-mentioned waste water after handling through organic waste water recycle device 1 such as other water use sectors of cooling tower or washing tower etc., and need not to use clean tap water or deionized water.
It should be noted that, the span of above-mentioned recycling preset standard is less than 50ppm, and in the sewage drainage standard at semicon industry of country or competent authorities' formulation, the highest permissible discharge amount of chemical oxygen demand (COD) is 300ppm, so the waste water after organic waste water recycle device 1 of the present invention is handled need not to handle after cooling tower is recycled again, and can directly be discharged into natural water.
In sum, organic waste water recycle device of the present invention is adjusted to agreeable microorganism growth with the pH value of organic waste water earlier, by biological contact oxidation process the organism in the waste water is decomposed then, at last its chemical oxygen demand (COD) is lower than recycle preset standard discharge of wastewater to other water use sectors so that described waste water is recovered utilization, and being lower than the waste water of recycling preset standard, chemical oxygen demand (COD) proceeds to handle, so can will recycle for other water use sectors described organic waste water, save cost greatly, can directly be discharged into natural water after in addition described organic waste water being recycled.
Claims (10)
1. organic waste water recycle device, being used for chemical oxygen demand (COD) with organic waste water is treated to not to be higher than and recycles for other water use sectors after recycling preset standard, it is characterized in that, this treatment unit comprises the receiving tank that interconnects and be respectively applied for collection organic waste water, being used for pH value with organic waste water is adjusted to a pH value that is suitable for the pH value preset range of microorganism growth and adjusts groove, be used for by the contact-oxidation pool of biological contact oxidation process the organic matter degradation of waste water, be used for the sedimentary settling bath of the suspended substance of waste water, be used to store the dashpot of the waste water after precipitation tank for precipitation, the product tank of the waste water after the waste water that is used for that dashpot is stored carries out filtering filtering unit and is used to store unit filtration after filtration, this PH adjusts in the groove and is provided with the pH value detecting unit, alkalescence dosing unit and drive alkaline dosing unit dosing according to the pH value that the pH value detecting unit is detected and be adjusted to adjustment groove control unit in the pH value preset range with pH value with waste water, wherein, this pH value preset range is 7 to 8.
2. organic waste water recycle device as claimed in claim 1, it is characterized in that, be provided with the chemical oxygen demand (COD) detecting unit in this product tank, in line driver element, backflow driver element and emission control unit, wherein, this chemical oxygen demand (COD) detecting unit is used for detecting the chemical oxygen demand (COD) of producing tank, this in line driver element and this backflow driver element are respectively applied for and drive the discharge of wastewater that produces in the tank to other water use sectors and receiving tank, when the chemical oxygen demand (COD) detecting unit detects chemical oxygen demand (COD) above this recycling preset standard, waste water in the in line drive unit drives product of this emission control unit control tank is to other water use sectors, when the chemical oxygen demand (COD) detecting unit detected chemical oxygen demand (COD) above this recycling preset standard, the waste water in this emission control unit control backflow drive unit drives product tank was to receiving tank.
3. organic waste water recycle device as claimed in claim 2, it is characterized in that, also be provided with sterilization dosing unit in this product tank, when the chemical oxygen demand (COD) detecting unit detected chemical oxygen demand (COD) above this recycling preset standard, sterilization dosing unit was also controlled to producing the sterilizing agent that tank adds preset dose in this emission control unit.
4. organic waste water recycle device as claimed in claim 1 is characterized in that, the organic waste water of this receiving tank is urged to pH value by a receiving tank drive unit and adjusts groove.
5. organic waste water recycle device as claimed in claim 1 is characterized in that, the waste water that this pH value is adjusted in the groove is disposed to contact-oxidation pool by the overflow mode.
6. organic waste water recycle device as claimed in claim 1 is characterized in that the waste water in this contact-oxidation pool is disposed to settling bath by the overflow mode.
7. organic waste water recycle device as claimed in claim 1 is characterized in that, the organic waste water in this dashpot is urged to filtering unit by a dashpot drive unit.
8. organic waste water recycle device as claimed in claim 1 is characterized in that, these other water use sectors are cooling tower or washing tower.
9. organic waste water recycle device as claimed in claim 1 is characterized in that, this filtering unit is a sand tower.
10. organic waste water recycle device as claimed in claim 1 is characterized in that, this scope of recycling preset standard be less than 5,000 ten thousand/.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100445541A CN101357811B (en) | 2007-08-03 | 2007-08-03 | Organic waste water recovery and utilization apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100445541A CN101357811B (en) | 2007-08-03 | 2007-08-03 | Organic waste water recovery and utilization apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN101357811A CN101357811A (en) | 2009-02-04 |
| CN101357811B true CN101357811B (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100445541A Expired - Fee Related CN101357811B (en) | 2007-08-03 | 2007-08-03 | Organic waste water recovery and utilization apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110498550A (en) * | 2019-08-13 | 2019-11-26 | 大同新成新材料股份有限公司 | A kind of LED chip producing wastewater treatment |
| CN113061904A (en) * | 2021-03-22 | 2021-07-02 | 阳光电源股份有限公司 | Hydrogen production system, wastewater recycling method and wastewater recycling device thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215028A (en) * | 1998-08-26 | 1999-04-28 | 李宁 | Acid-base sewage PH value self-control drainage treatment technology |
| CN1686874A (en) * | 2005-04-05 | 2005-10-26 | 孙祥章 | Technique of enzyme method for treating organic wastewater and matched equipment |
| CN1689992A (en) * | 2004-04-28 | 2005-11-02 | 成都科勒环保科技有限公司 | Technique for treating waste water containing natural gas antifreezing agent by ozone and biochemical process |
| CN1769197A (en) * | 2005-09-23 | 2006-05-10 | 中国兵器工业第五二研究所 | Zero discharge and circular utilization method of industrial effluent in regeneration treatment |
-
2007
- 2007-08-03 CN CN2007100445541A patent/CN101357811B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215028A (en) * | 1998-08-26 | 1999-04-28 | 李宁 | Acid-base sewage PH value self-control drainage treatment technology |
| CN1689992A (en) * | 2004-04-28 | 2005-11-02 | 成都科勒环保科技有限公司 | Technique for treating waste water containing natural gas antifreezing agent by ozone and biochemical process |
| CN1686874A (en) * | 2005-04-05 | 2005-10-26 | 孙祥章 | Technique of enzyme method for treating organic wastewater and matched equipment |
| CN1769197A (en) * | 2005-09-23 | 2006-05-10 | 中国兵器工业第五二研究所 | Zero discharge and circular utilization method of industrial effluent in regeneration treatment |
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| CN101357811A (en) | 2009-02-04 |
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