CN201240889Y - Reverse osmosis treatment device for coking wastewater - Google Patents
Reverse osmosis treatment device for coking wastewater Download PDFInfo
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- CN201240889Y CN201240889Y CNU2008200403040U CN200820040304U CN201240889Y CN 201240889 Y CN201240889 Y CN 201240889Y CN U2008200403040 U CNU2008200403040 U CN U2008200403040U CN 200820040304 U CN200820040304 U CN 200820040304U CN 201240889 Y CN201240889 Y CN 201240889Y
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- reverse osmosis
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Abstract
The utility model relates to a reverse osmosis treating device of coking waste water. The device is characterized in that: the coking waste water A after carrying out oil removing pre-treatment enters into a water intaking tank, the water intaking end of a raw water pump is connected with the outlet of the water intaking tank, the water outlet end of the raw water pump leads sewage to be pressed and connected with the water intaking end of a high-pressure hydraulic pump by a multi-media filter and a cartridge filter in series, the sewage is pressed to 40-70kg/cm<2> by the high-pressure hydraulic pump and enters into the water intaking end of the flat sewage treating type reverse osmosis, the producing water of the reverse osmosis enters into a reverse osmosis water producing tank, and the producing water of the reverse osmosis is connected with the outlet of the reverse osmosis water producing tank. The reverse osmosis treating device has the advantages that: equipment degree is high, the system is reliable and occupying area is small; the waste water is treated by the flat sewage treating type reverse osmosis, thus avoiding instability of biological treatment; water yielding after being treated is stable, thus ensuring to achieve the standard, that is, COD is less than 100mg/L; the water yielding COD treated by a second-section second-stage reverse osmosis strengthening treatment is less than 15mg/L, and can be recycled, the thick water decrement is incinerated, thus solving the problem that the coking waste water is difficult to be treated.
Description
Technical field
The utility model relates to a kind of reverse-osmosis treated device of coking chemical waste water, belong to the technology for treating industrial waste water field.
Background technology
Coking chemical waste water is one of poisonous and harmful high-concentration industrial-water, mainly comes from the treating process of Chemicals such as coking, gas purification, sulphur ammonium and benzene class, and its complicated component contains a large amount of inorganic and organic pollutants.Its inorganic pollutant is based on prussiate, thiocyanide, sulfide and ammonium salt etc., organic pollutant is based on phenolic compound, account for more than 50% of gross contamination thing, organic pollutant also comprises the heterocyclic compound of fatty compounds, polycyclc aromatic compound, nitrogenous, oxygen, sulphur.Since in the coking chemical waste water heterogeneous ring compound biodegradabilities such as contained partially aromatic compound, fused ring compound and indoles, pyridine, quinoline poor, be difficult to biological degradation, add prussiate, part condensed ring, heterogeneous ring compound to the toxic effect of biology, thereby make the biological treatment of coking chemical waste water be difficult to meet the requirements of target.
Technologies of Coke Plant Wastewater Treatment is based on biochemical treatment at present, as " pre-treatment-anaerobic hydrolysis-acidification-up flow type anoxic reactor-aerobic bio-contact oxidation-BAF " of patent 200510012434.4,200320114843.1 " anaerobic fluidized bed-anoxic fluidized-bed-aeration tank-settling tank ", its dephenolization effect is better, but the removal effect of COD does not reach requirement.Yet the flow process in the actual engineering is longer, typical process is " pre-treatment-anaerobism-oxygen-aerobic-catalytic oxidation-precipitation-dosing precipitation-haydite filtration-charcoal absorption of holding concurrently ", acceptance phase in the early stage is because the adsorption of gac, treat effluent can be up to standard, but gac will soon be saturated, frequent replacing gac is both uneconomical also unrealistic, and the coking wastewater processing system long-time running is difficult to reach the index of water outlet COD less than 100mg/L.
Summary of the invention
The utility model proposes a kind of reverse-osmosis treated device of coking chemical waste water.Be intended to overcome the existing existing treat effluent COD of coking chemical waste water biologic treating technique and be difficult to defective up to standard, avoid bioremediation, adopt membrane separation technique to come Treatment of Wastewater in Coking fully.
Technical solution of the present utility model: the reverse-osmosis treated device of coking chemical waste water, it is characterized in that entering water tank inlet through the pretreated coking chemical waste water A of oil removing, the feed-water end of raw water pump connects the outlet of water tank inlet, through more medium filter and the feed-water end of security personnel's strainer to high-pressure hydraulic pump, high-pressure hydraulic pump is pressurized to 40～70kg/cm with sewage with sewage pressurization back series connection in the water side of raw water pump
2Enter the feed-water end of dull and stereotyped sewage disposal type reverse osmosis, the product water of reverse osmosis enters reverse osmosis produced water tank, and reverse osmosis produced water C connects the outlet of reverse osmosis produced water tank, its COD＜100mg/L, but qualified discharge, and the dense water B of reverse osmosis goes burning disposal.
Multistage, multistage, multiple reverse osmosis constitute the combination of coking chemical waste water and strengthen the reverse-osmosis treated device, it is characterized in that entering water tank inlet through the pretreated coking chemical waste water A of oil removing, the feed-water end of raw water pump connects the outlet of water tank inlet, the water side of raw water pump is with the feed-water end of sewage pressurization back series connection through more medium filter and one section security personnel's strainer to section high-pressure hydraulic pump, and one section high-pressure hydraulic pump is pressurized to 40～70kg/cm with sewage
2Insert the feed-water end of one section reverse osmosis, the product water of one section reverse osmosis enters the water-in of one section reverse osmosis produced water tank, the dense water of one section reverse osmosis inserts one section reverse osmosis concentrated water tank, the water outlet of one section reverse osmosis concentrated water tank is pressurizeed through middle water pump, through two sections security personnel's strainer to two section high-pressure hydraulic pumps, two sections high-pressure hydraulic pumps are pressurized to 90～140kg/cm again with one section reverse osmosis concentrated water
2Enter the feed-water end of two sections reverse osmosiss, the product water of two sections reverse osmosiss inserts one section reverse osmosis produced water tank, the dense water B ' of two sections reverse osmosiss goes burning disposal, and the water outlet of one section reverse osmosis produced water tank is pressurized to 10～25kg/cm through the secondary high-pressure hydraulic pump with the product water of one or two sections reverse osmosiss
2Insert the feed-water end of conventional rolling two-pass reverse osmosis, the product water of two-pass reverse osmosis inserts two-pass reverse osmosis and produces water tank, and I and II reverse osmosis produced water C ' connects the outlet of reverse osmosis produced water tank, its COD＜15mg/L, but reuse, the dense water out of two-pass reverse osmosis taps into the inlet of water tank.
Advantage of the present utility model: 1) equipment degree height, system is reliable, and floor space is little; (2) utilize the reverse osmosis of dull and stereotyped sewage disposal type to handle, avoided the unstable of biological treatment; (3) treat effluent is stable, guarantee up to standard, COD＜100mg/L; Water outlet COD＜the 15mg/L of (4) two sections two-pass reverse osmosis intensive treatment, but reuse, dense water decrement is burned; (5) solved the unmanageable problem of coking chemical waste water.
Description of drawings
Accompanying drawing 1 is the structural representation of the reverse-osmosis treated device of coking chemical waste water.
Accompanying drawing 2 is structural representations that the reverse-osmosis treated device is strengthened in the combination of coking chemical waste water.
A among the figure is a coking chemical waste water, B is a reverse osmosis concentrated water, C is a reverse osmosis produced water, the 1st, water tank inlet, the 2nd, raw water pump, the 3rd, more medium filter, the 4th, the A strainer of ensuring public security, the 5th, the A high-pressure hydraulic pump, the 6th, reverse osmosis, the 7th, reverse osmosis produced water tank, B ' is two sections reverse osmosis concentrated waters, C ' is that two-pass reverse osmosis produces water, 4 ' is one section security personnel's strainer, 5 ' is one section high-pressure hydraulic pump, 6 ' is one section reverse osmosis, 7 ' is one section reverse osmosis produced water tank, 8 is one section reverse osmosis concentrated water tank, the 9th, middle water pump, 10 is two sections security personnel's strainers, 11 is two sections high-pressure hydraulic pumps, 12 is two sections reverse osmosiss, the 13rd, the secondary high-pressure hydraulic pump, the 14th, two-pass reverse osmosis, the 15th, two-pass reverse osmosis produces water tank.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
It is in order further to reduce the reverse osmosis concentrated water yield that the reverse-osmosis treated device is strengthened in the combination that contrast accompanying drawing 2, multistage, multistage, multiple reverse osmosis constitute coking chemical waste water, simultaneously with in addition reuse of treat effluent.Its structure is to enter water tank inlet 1 through the pretreated coking chemical waste water A of oil removing, the feed-water end of raw water pump 2 connects the outlet of water tank inlet 1, the water side of raw water pump 2 is with the feed-water end of sewage pressurization back series connection through more medium filter 3 and 4 ' to one section high-pressure hydraulic pump 5 ' of one section security personnel's strainer, and one section high-pressure hydraulic pump 5 ' is pressurized to 40～70kg/cm with sewage
2Enter the feed-water end of one section (dull and stereotyped sewage disposal type) reverse osmosis 6 ', the product water of one section reverse osmosis 6 ', its producing water ratio is 70～90%, enter one section reverse osmosis produced water tank 7 ', the dense water of one section reverse osmosis 6 ' enters one section reverse osmosis concentrated water tank 8, the water outlet of one section reverse osmosis concentrated water tank 8 is pressurized to 90～140kg/cm through 11, two sections high-pressure hydraulic pumps 11 of 10 to two sections high-pressure hydraulic pumps of two sections security personnel's strainers with one section reverse osmosis concentrated water through middle water pump 9 pressurizations again
2Enter the feed-water end of two sections (the dull and stereotyped sewage disposal type of ultra-high voltage) reverse osmosiss 12, the product water of two sections reverse osmosiss 12, its producing water ratio 50～80% also enters the dense water B ' of 7 ', two sections reverse osmosiss 12 of one section reverse osmosis produced water tank, is 2～15% only, goes burning disposal.The water outlet of one section reverse osmosis produced water tank 7 ' is pressurized to 10～25kg/cm through secondary high-pressure hydraulic pump 13 with the product water of one or two sections reverse osmosiss
2Enter the feed-water end of conventional rolling two-pass reverse osmosis 14, the product water of two-pass reverse osmosis 14, its producing water ratio are 85～95%, enter two-pass reverse osmosis and produce water tank 15, two-pass reverse osmosis produces the outlet that water C ' connects reverse osmosis produced water tank 15, and its COD＜15mg/L can be back to use recirculated water.The dense water of two-pass reverse osmosis 14 turns back to water tank inlet 1 and handles again.
Embodiment 1:
Finish the reverse-osmosis treated pilot plant of a coking chemical waste water, armamentarium is loaded in one 20 feet the freight container, the design variable of equipment is: water tank inlet 500L, raw water pump 1m
3/ h, 3kg/cm
2, more medium filter Φ 200mm, 1 of security personnel strainer Φ 4 " X20 " PE melt-blown filter, high-pressure hydraulic pump 1m
3/ h, 60kg/cm
2, Φ 254X1110mm, 9m are adopted in reverse osmosis
21 of dull and stereotyped sewage disposal type reverse osmosis membrane, reverse osmosis produced water tank 500L.Shared 1 water pump of supporting in addition reverse osmosis backwash and flushing water pump and more medium filter backwash is 2m
3/ h, 3kg/cm
2, chemical online PE dosing tank 100L2, dosing volume pump 0～14L/h, 7kg/cm
22.
Amount of inlet water 900L/h, reverse osmosis produced water water yield 700L/h, reverse osmosis concentrated water water yield 200L/h.
Coking chemical waste water water quality: COD 5504mg/L, NH
3-N 220mg/L, CN
-53mg/L, phenols 635mg/L, 530 times of colourities, oily 35mg/L, pH 8.5, TDS 2800mg/L.
Reverse osmosis produced water water quality: COD＜100mg/L, NH
3-N＜20mg/L, CN
-＜0.5mg/L, phenols＜0.5mg/L, colourity＜10 times, oil～0mg/L, pH 7.5, TDS＜35mg/L.
Embodiment 2:
Reverse osmosis system is strengthened in the combination of a coking chemical waste water of design, and the design variable of its system device is: (1) one section reverse osmosis system: water tank inlet 30m
3, raw water pump 66.5m
3/ h, 3kg/cm
2, more medium filter Φ 1600mm, 34 of security personnel strainer Φ 4 " X40 " PE melt-blown filters, one section high-pressure hydraulic pump 66.5m
3/ h, 63kg/cm
2, Φ 254X1110mm, 9m are adopted in one section reverse osmosis
281 of dull and stereotyped sewage disposal type reverse osmosis membranes, one section reverse osmosis produced water rate gets 85%, reverse osmosis produced water tank 30m
3, one section reverse osmosis concentrated water tank 10m
3, supporting more medium filter backwash water pump 180m
3/ h, 3kg/cm
2, one section reverse osmosis backwash and flushing water pump 100m
3/ h, 3kg/cm
2, 2 of chemical online PE dosing tank 2000L, B dosing volume pump 0～150L/h, 7kg/cm
22; (2) two sections reverse osmosis systems: middle water pump 10m
3/ h, 3kg/cm
2, 6 of two sections security personnel's strainer Φ 4 " X40 " PE melt-blown filters, two sections high-pressure hydraulic pump 10m
3/ h, 125kg/cm
2, Φ 254X1110mm, 9m are adopted in two sections reverse osmosiss
210 of the dull and stereotyped sewage disposal type of ultra-high voltage reverse osmosis membranes, two sections reverse osmosis produced water rates get 70%, supporting two sections reverse osmosis backwashes and flushing water pump 20m
3/ h, 3kg/cm
2, 2 of chemical online PE dosing tank 500L, dosing volume pump 0～35L/h, 7kg/cm
22; (3) two-pass reverse osmosis system: high-pressure hydraulic pump 63.5m
3/ h, 15kg/cm
2, the two-pass reverse osmosis film is selected 48 of common coiled reverse osmosis membrane BW30-440 for use, supporting two-pass reverse osmosis backwash and flushing water pump 100m
3/ h, 3kg/cm
2, 2 of chemical online PE dosing tank 2000L, dosing volume pump 0～150L/h, 7kg/cm
22.Dosing comprises HCl, NaOH, NaClO, citric acid, Scale inhibitors, reductive agent.
Coking chemical waste water amount of inlet water 60m
3/ h, one section feed water by reverse osmosis amount 66.5m
3/ h, one section reverse osmosis produced water yield 56.5m
3/ h, one section reverse osmosis concentrated water 10m
3/ h, two sections reverse osmosis produced water yield 7m
3/ h, two sections reverse osmosis concentrated water water yield 3m
3/ h, two-pass reverse osmosis amount of inlet water 63.5m
3/ h, two-pass reverse osmosis produce water water yield 57m
3/ h, the dense water water yield of two-pass reverse osmosis 6.5m
3/ h (turning back to the water inlet of one section reverse osmosis).The total producing water ratio 95% of system, dense water 5%.
Coking chemical waste water water quality: COD 5400mg/L, NH
3-N200mg/L, CN
-50mg/L, phenols 600mg/L, 500 times of colourities, oily 40mg/L, pH 8.0, TDS 2500mg/L.
Two-pass reverse osmosis produces water water quality: COD＜8mg/L, NH
3-N＜2mg/L, CN
-＜0.2mg/L, phenols＜0.2mg/L, colourity＜2 times, oil～Omg/L, pH 7.0, TDS＜5mg/L.
Claims (4)
1, the reverse-osmosis treated device of coking chemical waste water, it is characterized in that entering water tank inlet through the pretreated coking chemical waste water of oil removing, the feed-water end of raw water pump connects the outlet of water tank inlet, through more medium filter and the feed-water end of security personnel's strainer to high-pressure hydraulic pump, high-pressure hydraulic pump is pressurized to 40～70kg/cm with sewage with sewage pressurization back series connection in the water side of raw water pump
2Enter the feed-water end of dull and stereotyped sewage disposal type reverse osmosis, the product water of reverse osmosis enters reverse osmosis produced water tank, and reverse osmosis produced water inserts the outlet of reverse osmosis produced water tank, and the dense water of reverse osmosis connects the burning disposal machine.
2, multistage, multistage, multiple reverse osmosis constitute the combination reinforcement reverse-osmosis treated device of coking chemical waste water, it is characterized in that entering water tank inlet through the pretreated coking chemical waste water of oil removing, the feed-water end of raw water pump connects the outlet of water tank inlet, the water side of raw water pump is with the feed-water end of sewage pressurization back series connection through more medium filter and one section security personnel's strainer to section high-pressure hydraulic pump, and one section high-pressure hydraulic pump is pressurized to 40～70kg/cm with sewage
2Insert the feed-water end of one section reverse osmosis, the product water of one section reverse osmosis enters the water-in of one section reverse osmosis produced water tank, the dense water of one section reverse osmosis inserts one section reverse osmosis concentrated water tank, the water outlet of one section reverse osmosis concentrated water tank is pressurizeed through middle water pump, through two sections security personnel's strainer to two section high-pressure hydraulic pumps, two sections high-pressure hydraulic pumps are pressurized to 90～140kg/cm again with one section reverse osmosis concentrated water
2Enter the feed-water end of two sections reverse osmosiss, the product water of two sections reverse osmosiss inserts one section reverse osmosis produced water tank, and the dense water of two sections reverse osmosiss connects the burning disposal machine, and the water outlet of one section reverse osmosis produced water tank is pressurized to 10～25kg/cm through the secondary high-pressure hydraulic pump with the product water of one or two sections reverse osmosiss
2Insert the feed-water end of conventional rolling two-pass reverse osmosis, the product water of two-pass reverse osmosis inserts two-pass reverse osmosis and produces water tank, and two-pass reverse osmosis produces the outlet that water connects reverse osmosis produced water tank, but reuse, and the dense water out of two-pass reverse osmosis taps into the inlet of water tank.
3, the reverse-osmosis treated device of coking chemical waste water according to claim 1 is characterized in that described reverse osmosis selects the reverse osmosis of dull and stereotyped sewage disposal type for use, and producing water ratio is 70～90%, and operating pressure is at 40～70kg/cm
2
4, multistage according to claim 2, multistage, multiple reverse osmosis constitute the combination reinforcement reverse-osmosis treated device of coking chemical waste water, it is characterized in that one section reverse osmosis selects the reverse osmosis of dull and stereotyped sewage disposal type for use, producing water ratio is 70～90%, and operating pressure is at 40～70kg/cm
2The reverse osmosis of the dull and stereotyped sewage disposal type of ultra-high voltage is selected in two sections reverse osmosiss for use, and producing water ratio is 50～80%, and operating pressure is at 70～140kg/cm
2Two-pass reverse osmosis is selected conventional rolling reverse osmosis for use, and producing water ratio is 85～95%, and operating pressure is at 10～25kg/cm
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200403040U CN201240889Y (en) | 2008-07-21 | 2008-07-21 | Reverse osmosis treatment device for coking wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200403040U CN201240889Y (en) | 2008-07-21 | 2008-07-21 | Reverse osmosis treatment device for coking wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201240889Y true CN201240889Y (en) | 2009-05-20 |
Family
ID=40714183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200403040U Expired - Lifetime CN201240889Y (en) | 2008-07-21 | 2008-07-21 | Reverse osmosis treatment device for coking wastewater |
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| Country | Link |
|---|---|
| CN (1) | CN201240889Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402160A (en) * | 2014-11-28 | 2015-03-11 | 山东省环科院环境工程有限公司 | Energy-saving coal chemical engineering wastewater deep treatment system and treatment method thereof |
| CN112082922A (en) * | 2020-09-18 | 2020-12-15 | 西南石油大学 | Method for determining seepage permeability of large rectangular flat model rock sample plane |
-
2008
- 2008-07-21 CN CNU2008200403040U patent/CN201240889Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402160A (en) * | 2014-11-28 | 2015-03-11 | 山东省环科院环境工程有限公司 | Energy-saving coal chemical engineering wastewater deep treatment system and treatment method thereof |
| CN104402160B (en) * | 2014-11-28 | 2016-07-06 | 山东省环科院环境工程有限公司 | A kind of energy-saving coal wastewater from chemical industry advanced treatment system and processing method thereof |
| CN112082922A (en) * | 2020-09-18 | 2020-12-15 | 西南石油大学 | Method for determining seepage permeability of large rectangular flat model rock sample plane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090520 Effective date of abandoning: 20080721 |