CN203976563U - High strong brine Zero emission device - Google Patents
High strong brine Zero emission device Download PDFInfo
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- CN203976563U CN203976563U CN201420291511.9U CN201420291511U CN203976563U CN 203976563 U CN203976563 U CN 203976563U CN 201420291511 U CN201420291511 U CN 201420291511U CN 203976563 U CN203976563 U CN 203976563U
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- reverse osmosis
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of high strong brine Zero emission device, it includes the multi-medium filtering equipment connecting successively, water collecting basin, cartridge filter and product water tank, between described cartridge filter and product water tank, be connected a dishful of tubular type reverse osmosis membrane apparatus, the water side of described disc tube reverse osmosis (dt-ro) film device connects respectively high efficiency clarification tank and produces water tank, the water outlet of described high efficiency clarification tank connects multifunctional evaporating equipment, the water out of described multifunctional evaporating equipment connects described product water tank, and throw out outlet connects crystallizer.Described disc tube reverse osmosis (dt-ro) film device is the dish tubular membrane post being made up of disc-type diaphragm, flow guiding disc, O type rubber cradle, center pull rod and pressure jacket.
Description
Technical field
The utility model relates to a kind of high strong brine Zero emission device.
Background technology
Reach at present in the water quality of " urban wastewater treatment firm pollutant emission standard " GB18918----2002 and also contain very high salt, also have some problems for recycling, and adopt ordinary method to be further processed.Thereby cause most of water still can not recycle.
Utility model content
The purpose of this utility model provides a kind of high strong brine Zero emission device, this device carries out pre-concentration by employing salt concentration technology and the degree of depth is concentrated, thereby part water quality is carried out to reuse, makes to remain high salt concentrated, evaporate, crystallization treatment, realize the object of the zero release of system.
High strong brine Zero emission device in the utility model includes the multi-medium filtering equipment connecting successively, water collecting basin, cartridge filter and product water tank, between described cartridge filter and product water tank, be connected a dishful of tubular type reverse osmosis membrane apparatus, the water purification water side of described disc tube reverse osmosis (dt-ro) film device connects described product water tank, the concentrated solution outlet of described disc tube reverse osmosis (dt-ro) film device connects high efficiency clarification tank, the water outlet of described high efficiency clarification tank connects multifunctional evaporating equipment, the pure water inlet of described multifunctional evaporating equipment connects described product water tank, and throw out outlet connects crystallizer.
Described disc tube reverse osmosis (dt-ro) film device is the dish tubular membrane post being made up of disc-type diaphragm, flow guiding disc, O type rubber cradle, center pull rod and pressure jacket.
Described diaphragm and described flow guiding disc interval stack, described O type rubber cradle is placed in the groove on described flow guiding disc two sides, described center pull rod is inserted in described pressure jacket after passing all diaphragms and flow guiding disc, is sealed by metal end plate at the two ends of described center pull rod.
Described diaphragm is made up of two concentric annular reverse osmosis membranes, at the thread support of described reverse osmosis membrane sandwich one deck, and the outer shroud welding of the thread support of described two concentric annular reverse osmosis membranes and sandwich, the opening that interior ring is pure water inlet.
The salient point that the surface of described flow guiding disc has certain way to arrange.
Described dish tubular membrane post has two kinds, large film post and membranelle post, and membranelle column diameter is 200 millimeters, long 1000 millimeters, has 170 flow guiding discs and 169 diaphragms to form; Large film column diameter is 214 millimeters, long 1400 millimeters, is made up of 210 flow guiding discs and 209 diaphragms.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model middle and high concentration salt solution Zero emission device.
Fig. 2 is the cross-sectional schematic of disc tube reverse osmosis (dt-ro) film device in the utility model.
Fig. 3 is disc tube reverse osmosis (dt-ro) film device principle schematic in the utility model.
Fig. 4 is the structural representation of diaphragm in the utility model.
Embodiment
Under in connection with accompanying drawing, the specific embodiment of the utility model is elaborated.
As shown in Figure 1, high strong brine Zero emission device in the utility model includes the multi-medium filtering equipment 10 connecting successively, water collecting basin 11, cartridge filter 12, disc tube reverse osmosis (dt-ro) film device 13, disc tube reverse osmosis (dt-ro) film device connects respectively high efficiency clarification tank and produces water tank 14, the water outlet of high efficiency clarification tank connects multifunctional evaporating equipment, the water out of multifunctional evaporating equipment 16 connects product water tank 14, and throw out outlet connects crystallizer 15.Wherein:
Multi-medium filtering equipment 10 carries out coarse filtration to sewage, producing water collects and enters water collecting basin 11, lifting enters cartridge filter 12, cartridge filter 12 is for tackling suspended substance and partial organic substances more than 5um, enter disc tube reverse osmosis (dt-ro) film device 13 (90barDTRO system) from the water outlet of cartridge filter 12, after the water purification multiparity water tank that disc tube reverse osmosis (dt-ro) film device 13 produces, can be back to use existing desalted water station and blend mixing aftertreatment, filter the high concentrated waste water producing after high efficiency clarification tank (intermediate pool), lifting enter multifunctional evaporating equipment 16 (four-effect evaporator system) carry out 4 times concentrated, concentrated solution is carrying out after 1.5 times concentrating at crystallizer, end product is the crystalline solid of saliferous 60%, this solid can be together with mud landfill, or further dry or upper turbodrier is dry by solar energy drying system, final product is the residue of solid content 95%.
The filtrate of multi-medium filtering equipment 10 in-built different-grain diameters, when sewage is flowed through filtering layer from above, in water, part suspended solid enters in the small eyelet that upper strata filtrate forms, and is subject to the effect of filtrate absorption and mechanical detention and is held back by upper layer.Between these suspended matters that are trapped, overlap again and the effect such as bridge formation simultaneously, form thin film on the surface of filtering layer, continue the suspended matter in filtered water, thereby formed so-called membrane filtration.Multi-medium filtering equipment 10 not only has the effect of membrane filtration, also has permeation filtration effect, and in the middle of sewage enters, filtering layer also has this crown_interception.In addition, because filtrate is closely aligned each other, suspended matter grain flow in water is in filtering layer when winding duct, just there are more chance and time mutually to collide and contact with filter material surface, now, suspended matter in water sticks the surface at filtrate and flocs unit mutually, thereby comes in contact coagulation process, the impurity that filters the flocs unit in water and do not flocculate.
Water collecting basin 11, regulates for sewage being carried out to water quality equilibrium and the water yield, and hydraulic detention time is about 1.4 hours.
Cartridge filter 12 is installed on before reverse osmosis high-pressure pump water inlet end, its objective is the particle that is greater than 10 μ m, impurity that elimination may bring due to pretreatment process.After pretreatment process because these particles may puncture reverse osmosis diaphragm after the high-pressure pump of reverse osmosis (DTRO) main frame, thereby cause a large amount of salt to leak and string water phenomenon, affect effluent quality, the while also may scratch the impeller of high-pressure pump.
Cartridge filter 12 body materials adopt 316 stainless steels to make, and the structure of strainer meets the requirement of quick-replaceable filter element, cartridge filter 12 top installing vent valves, and filter element surface filtering velocity is not more than 10m3/m2h (long-pending in cartridge surface).
The operating pressure of cartridge filter is 0.2MPa-0.5MPa, and when after operation for some time, because the particle in water, impurity are blocked cartridge surface, the import and export pressure reduction of strainer will become large.In the time that pressure reduction is greater than set(ting)value (being generally 0.05-0.07Mpa), should change in time, avoid, because the obstruction of filter core forms back pressure, system is caused to damage.
High efficiency clarification tank is a kind of collection of tube settling and sludge circulation mode, settling pond of high speed of adopting.Add soda ash, flocculation agent in mixing zone, at flocculation zone feeding lime and coagulant aids, effectively reduce the calcium magnesium hardness of water body.
Multiple-effect evaporator saliferous 100000mg/L left and right solution enters quadruple effect evaporator by 10% and is concentrated into 40% after FEOL, then after crystallizer 15 is concentrated into approximately 60%, carries out follow-up landfill or airing processing.
Multiple-effect evaporator adopts following structure: pump, and------------------------------III is imitated separator-finished product---crystallization heating chamber---Crystallization Separation chamber to III single-effect evaporator to II effect separator to II single-effect evaporator to I effect separator to I single-effect evaporator to tubular heat exchanger to IV effect separator to IV single-effect evaporator to tubular preheater.Or thermocompressor---I single-effect evaporator---II single-effect evaporator---III single-effect evaporator---IV single-effect evaporator---tubular preheater---pipe bundle condenser-thermocompressor---crystallization well heater---crystal separator---pipe bundle condenser.
As shown in Figure 2, the dish tubular membrane post of disc tube reverse osmosis (dt-ro) film device for being formed by disc-type diaphragm 1, flow guiding disc 2, O type rubber cradle 3, center pull rod 4 and pressure jacket 5, dish tubular membrane post has two kinds, large film post and membranelle post.Membranelle column diameter is 200 millimeters, long 1000 millimeters, has 170 flow guiding discs and 169 diaphragms to form; Large film column diameter is 214 millimeters, long 1400 millimeters, is made up of 210 flow guiding discs and 209 diaphragms.Diaphragm 1 and flow guiding disc 2 intervals stack, and O type rubber cradle 3 is placed in the groove on flow guiding disc 2 two sides, all diaphragms 1 and flow guiding disc 2 are worn together by center pull rod 4, insert in pressure jacket 5, seal with metal end plate 6 at two ends.Forming all parts in film post has different effects, and specifically diaphragm 1 is made up of two concentric annular reverse osmosis membranes, the thread support 7 of film sandwich one deck, as shown in Figure 4, and the outer shroud welding of this shellring shape material, interior ring opening, is pure water inlet.Flow guiding disc 2 is clipped in the middle diaphragm 1, but does not directly contact with diaphragm 1, has widened fluid channel; The salient point that flow guiding disc 2 surfaces have certain way to arrange, under high pressure makes high-concentration sewage form turbulent flow, increases transmission rates and self-cleaning function.O type rubber cradle 3 is enclosed within center pull rod 4, is placed in the groove of flow guiding disc 2 both sides, plays the effect of supporting diaphragm 1, isolation sewage and water purification.Water purification flows to center pull rod 4 peripheries along thread support 7 in the middle of diaphragm 1, discharges by pure water inlet 8.
The work principle of filter of disc tube reverse osmosis (dt-ro) film device 13: the material (water) of being exported by cartridge filter 12 enters after disc tube reverse osmosis (dt-ro) film device 13, enter in the flow guiding disc 2 of bottommost by flow-guiding channel by the gap between flow guiding disc 2 and pressure jacket 5, as shown in Figure 2, the feed liquid now entering with the shortest distance Rapid Flow through diaphragm 1, then 180 ° of reverses are to another face, flow into again next filtration membrane 1, thereby form by flow guiding disc 2 circumference Dao Yuan centers on diaphragm 1 surface, arrive again circumference, the tangential flow filtration at Zai Daoyuan center, after filtering, producing high salt concentrated solution flows out from the outlet 8 of the metal end plate 6 (end flanges) of feeding side.Feed liquid stream through diaphragm 1 time, produces the salt-free liquid that sees through and is discharged by the collection tube of center pull rod 4 sides.Concentrated solution with see through liquid by being installed on the isolation of O RunddichtringO on flow guiding disc 2.
Compare with other membrane modules, the disc tube reverse osmosis (dt-ro) film device 13 in the utility model has following three obvious features:
1) channel width: the passage between diaphragm 1 is 2mm.
2) flow process is short: liquid is at the only 7cm of flow process on diaphragm 1 surface.
3) turbulent flow row: due to the effect of high pressure, high-concentration sewage forms high velocity turbulent flow after getting to the salient point on flow guiding disc 2, under the washing away of this turbulent flow, not free settling pollutent of diaphragm 1 surface.
It makes the disc tube reverse osmosis (dt-ro) film device 13 in the utility model can tolerate higher suspended substance and SDI in the time processing high-concentration sewage in above three features, and more popular saying, is exactly can not stop up.Thereby have the following advantages in actual use:
1) fouling is few, and diaphragm pollutes light, and the diaphragm life-span is long.
2) be easy to clean, avoided fouling and other films to pollute, thereby extended the diaphragm life-span.
3) do not rely on pre-treatment, there is satisfactory stability, security and adaptability.In concrete engineering, pretreatment system is not essential.For there being pretreated system, no matter whether pre-treatment loops is efficient, stable, the water outlet up to standard that reverse osmosis system can be stable.Owing to not relying on biological treatment, disc tube reverse osmosis (dt-ro) has good adaptability to the high-concentration sewage in each stage of landfill yard simultaneously.
4) there is very reliable treatment effect.
5) installation, maintenance is simple, easy to operate, and level of automation is high.
6) disc tube reverse osmosis (dt-ro) film device 13 water purification after treatment can guarantee to reach first discharge standard or the middle water reuse standard in national GB16889-1997.The clean producing water ratio of systematic economy is 75%～80%, also can be equipped with high-pressure system according to customer requirement, reaches 90%～95% producing water ratio.Handling object relates to refuse landfill high-concentration sewage, the high-concentration sewage processing of garbage compost field.
In sum, disc tube reverse osmosis (dt-ro) film device is the membrane module that is used for specially processing high-concentration sewage, has the following advantages:
1, make high saline sewage (saltiness is greater than 4%) reach zero discharge treatment.
2, adopt the pretreatment technology of disc tube reverse osmosis (dt-ro) film device as multiple-effect evaporation, greatly reduce the investment running cost of whole device.
3, adopt high efficiency clarification tank except hard, can effectively prevent the problem of multifunctional evaporating equipment fouling.
4, in its heating-surface area increases under low-temperature evaporation intensity, adopt the concentrated form of pump circulation, in increasing flow velocity, tube wall is carried out to brute force and wash away.
5, adopt and there is under low-temperature evaporation intensity it and strengthen that heat interchanging area, pump circulation are concentrated, multiple-effect evaporation technology to the tube wall technical characterstic such as carry out that brute force is washed away when increasing flow velocity.
Claims (6)
1. one kind high strong brine Zero emission device, include the multi-medium filtering equipment connecting successively, water collecting basin, cartridge filter and product water tank, it is characterized in that, between described cartridge filter and product water tank, be connected a dishful of tubular type reverse osmosis membrane apparatus, the water purification water side of described disc tube reverse osmosis (dt-ro) film device connects described product water tank, the concentrated solution outlet of described disc tube reverse osmosis (dt-ro) film device connects high efficiency clarification tank, the water outlet of described high efficiency clarification tank connects multifunctional evaporating equipment, the pure water inlet of described multifunctional evaporating equipment connects described product water tank, and throw out outlet connects crystallizer.
2. high strong brine Zero emission device according to claim 1, is characterized in that, described disc tube reverse osmosis (dt-ro) film device is the dish tubular membrane post being made up of disc-type diaphragm, flow guiding disc, O type rubber cradle, center pull rod and pressure jacket.
3. high strong brine Zero emission device according to claim 2, it is characterized in that, described diaphragm and described flow guiding disc interval stack, described O type rubber cradle is placed in the groove on described flow guiding disc two sides, described center pull rod is inserted in described pressure jacket after passing all diaphragms and flow guiding disc, is sealed by metal end plate at the two ends of described center pull rod.
4. high strong brine Zero emission device according to claim 3, it is characterized in that, described diaphragm is made up of two concentric annular reverse osmosis membranes, at the thread support of described reverse osmosis membrane sandwich one deck, the outer shroud welding of the thread support of described two concentric annular reverse osmosis membranes and sandwich, the opening that interior ring is pure water inlet.
5. high strong brine Zero emission device according to claim 3, is characterized in that, the salient point that the surface of described flow guiding disc has certain way to arrange.
6. high strong brine Zero emission device according to claim 3, is characterized in that, described dish tubular membrane post has two kinds, large film post and membranelle post, and membranelle column diameter is 200 millimeters, long 1000 millimeters, has 170 flow guiding discs and 169 diaphragms to form; Large film column diameter is 214 millimeters, long 1400 millimeters, is made up of 210 flow guiding discs and 209 diaphragms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291511.9U CN203976563U (en) | 2014-06-03 | 2014-06-03 | High strong brine Zero emission device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420291511.9U CN203976563U (en) | 2014-06-03 | 2014-06-03 | High strong brine Zero emission device |
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| CN203976563U true CN203976563U (en) | 2014-12-03 |
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| CN201420291511.9U Expired - Fee Related CN203976563U (en) | 2014-06-03 | 2014-06-03 | High strong brine Zero emission device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664723A (en) * | 2015-08-14 | 2016-06-15 | 内蒙古天一环境技术有限公司 | Water incoming end cap for dielectrophoresis disc-tube membrane component and disc-tube membrane component |
| CN105858936A (en) * | 2016-06-13 | 2016-08-17 | 长沙威保特环保科技股份有限公司 | Dish pipe type reverse osmosis sewage treating method and system |
| CN114367198A (en) * | 2022-01-28 | 2022-04-19 | 山西大学 | Dish tubular vacuum multi-effect membrane distillation subassembly and system |
-
2014
- 2014-06-03 CN CN201420291511.9U patent/CN203976563U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664723A (en) * | 2015-08-14 | 2016-06-15 | 内蒙古天一环境技术有限公司 | Water incoming end cap for dielectrophoresis disc-tube membrane component and disc-tube membrane component |
| CN105858936A (en) * | 2016-06-13 | 2016-08-17 | 长沙威保特环保科技股份有限公司 | Dish pipe type reverse osmosis sewage treating method and system |
| CN105858936B (en) * | 2016-06-13 | 2019-04-05 | 湖南北控威保特环境科技股份有限公司 | A kind of disc tube reverse osmosis (dt-ro) sewage water treatment method and system |
| CN114367198A (en) * | 2022-01-28 | 2022-04-19 | 山西大学 | Dish tubular vacuum multi-effect membrane distillation subassembly and system |
| CN114367198B (en) * | 2022-01-28 | 2024-04-12 | 山西大学 | Dish tubular vacuum multiple-effect membrane distillation assembly and system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20210603 |