CN111646596A - Container type movable forward osmosis treatment equipment and forward osmosis treatment method thereof - Google Patents
Container type movable forward osmosis treatment equipment and forward osmosis treatment method thereof Download PDFInfo
- Publication number
- CN111646596A CN111646596A CN202010541924.8A CN202010541924A CN111646596A CN 111646596 A CN111646596 A CN 111646596A CN 202010541924 A CN202010541924 A CN 202010541924A CN 111646596 A CN111646596 A CN 111646596A
- Authority
- CN
- China
- Prior art keywords
- wastewater
- pipeline
- membrane
- inlet
- drawing liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009292 forward osmosis Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002351 wastewater Substances 0.000 claims abstract description 140
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000007788 liquid Substances 0.000 claims abstract description 80
- 239000012528 membrane Substances 0.000 claims abstract description 76
- 239000002253 acid Substances 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 8
- 239000000243 solution Substances 0.000 description 15
- 238000010979 pH adjustment Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 239000000149 chemical water pollutant Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000001728 nano-filtration Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/445—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by forward osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides container type movable forward osmosis treatment equipment and a forward osmosis treatment method thereof, wherein the container type movable forward osmosis treatment equipment comprises a wastewater pretreatment unit, an FO membrane integrated unit and a wastewater discharge unit which are sequentially connected; the FO membrane integrated unit comprises a wastewater main pipeline, a liquid drawing main pipeline and n-grade FO membrane components, n first four-way joints are arranged on the wastewater main pipeline, n second four-way joints are arranged on the liquid drawing main pipeline, each grade of FO membrane component comprises a wastewater circulating pipeline, a liquid drawing circulating pipeline and a plurality of membrane shells which are arranged in parallel/in series, each membrane shell is provided with a wastewater inlet, a concentrated water outlet, a liquid drawing inlet and a liquid drawing outlet, the wastewater inlet and the concentrated water outlet are connected with the first four-way joints through the wastewater circulating pipeline, and the liquid drawing inlet and the liquid drawing outlet are connected with the second four-way joints through the liquid drawing circulating pipeline. The container type movable forward osmosis treatment equipment can effectively reduce pretreatment process units and the floor area of the matched equipment.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to container type movable forward osmosis treatment equipment and a forward osmosis treatment method thereof.
Background
The garbage leachate is waste liquid generated by physical, biological and chemical actions such as gravity compaction, fermentation and the like in the stacking process of garbage, has complex components, high pollutant concentration and large water quality change range, and is liquid with strong odor, sticky and dark brown sense. Although the retention time of the garbage in the garbage transfer station is short, the output of leachate is small, and the concentration of pollutants is relatively lower than that of a landfill site, the garbage still has high pollution. Due to limited space, the garbage transfer station is very difficult to build a special leachate treatment plant if necessary, and the general leachate treatment process of pretreatment, anaerobism, MBR, NF, RO and DTRO is adopted, so that the process flow is long, the occupied area is large, the operating cost is high, the construction investment cost is high, and the implementation in a short time is difficult.
In addition, in some practical engineering projects, the situations of insufficient wastewater treatment capacity, biochemical pool failure or incapability of normal operation of the conventional DTRO membrane treatment system, low treatment capacity, frequent membrane module replacement and the like may occur in some refuse landfills or large-scale industrial plants, so that the treatment capacity is insufficient and is difficult to solve in a short time.
And a part of coal chemical industry wastewater, power plant desulfurization wastewater, petrochemical industry wastewater, light industrial wastewater, reverse osmosis (RO/DTRO) concentrated water, nanofiltration concentrated water and the like, wherein the main characteristics of the wastewater are close to the water quality characteristics of landfill leachate, and the wastewater shows the characteristics of high salt content, high organic matter content, high ammonia nitrogen content and the like. Such waste water has poor biological activity and is difficult to treat by the conventional process or has high treatment cost. The treatment of the part of the waste water can also be carried out by the invention, the treatment effect is good, and the operation cost is low, so the industry of the invention also comprises but is not limited to the waste water treatment of the industries listed above.
Disclosure of Invention
The invention can realize the emergency treatment of wastewater of large-scale industrial plants or the emergency treatment of landfill leachate of refuse landfills and transfer stations by the container type movable forward osmosis treatment device. The invention has the advantages of small occupied area, high automation degree, convenient increment and expansion and the like, is simple and convenient to operate and maintain, can be moved at any time and any place, can directly transport the device to the place where a treatment target is located, can directly carry out large-scale treatment, and is simple, convenient and quick. The specific scheme is as follows:
a container type movable forward osmosis treatment device is installed in a container and comprises a wastewater pretreatment unit, an FO membrane integrated unit and a wastewater discharge unit which are connected in sequence;
the waste water pretreatment unit is provided with a mixed acid water tank and an FO water supply tank, one end of the mixed acid water tank is connected with an external waste water input pipeline to be treated, and the other end of the mixed acid water tank is connected with the FO water supply tank;
the FO membrane integrated unit comprises a main wastewater pipeline, a main drawing liquid pipeline and n-grade FO membrane components, wherein a water inlet end and a water outlet end of the main wastewater pipeline are respectively connected with the FO water supply tank and the wastewater discharge unit, the main wastewater pipeline between the wastewater pretreatment unit and the FO membrane integrated unit is sequentially provided with a washing water inlet and a CIP washing inlet in the water inlet direction, the main wastewater pipeline and the main drawing liquid pipeline are respectively provided with n first four-ways and n second four-ways corresponding to the n-grade FO membrane components,
each stage of FO membrane component comprises a wastewater circulating pipeline, a drawing liquid circulating pipeline and a plurality of membrane shells which are arranged in parallel/series, each membrane shell is provided with a wastewater inlet, a concentrated water outlet, a drawing liquid inlet and a drawing liquid outlet, the wastewater inlet and the concentrated water outlet are connected through the wastewater circulating pipeline, the middle part of the wastewater circulating pipeline is disconnected and is respectively connected with the other two ports of the first four-way, the drawing liquid inlet and the drawing liquid outlet are connected through the drawing liquid circulating pipeline, and the middle part of the drawing liquid circulating pipeline is disconnected and is respectively connected with the other two ports of the second four-way.
Furthermore, a liquid-drawing inlet and a liquid-drawing outlet are respectively arranged on the end faces of the membrane shell at the two ends in the axial direction, and a waste water inlet and a concentrated water outlet are respectively arranged on the side wall of the membrane shell vertical to the axial direction of the membrane shell.
Furthermore, the waste water discharge unit comprises a waste water concentrated water discharge unit, a washing water discharge unit and a CIP cleaning outlet which are arranged in parallel and connected with the main waste water pipeline.
Furthermore, a wastewater inlet filter is arranged on the main wastewater pipeline between the flushing water inlet and the CIP cleaning inlet, and the filtering precision of the wastewater inlet filter is 50-100 mu m.
Furthermore, a main liquid inlet of the main liquid suction pipeline is provided with a liquid suction water inlet filter, and the filtering precision of the liquid suction water inlet filter is 5 microns.
Furthermore, the wastewater circulating pipeline is provided with a wastewater circulating pump and a first exhaust port, and the wastewater circulating pump is arranged between the first four-way joint and the membrane shell wastewater inlet;
the drawing liquid circulating pipeline is provided with a drawing liquid circulating pump and a second exhaust port, and the drawing liquid circulating pump is arranged between the second four-way joint and the drawing liquid inlet of the membrane shell.
Further, the pH value of the wastewater is adjusted to 2-7.5 by the mixed acid water tank.
A forward osmosis treatment method based on the equipment comprises the following steps:
s1, the wastewater pretreatment unit adjusts the pH of the wastewater and then conveys the wastewater to the FO membrane integrated unit;
s2, the wastewater enters each membrane shell of each stage FO membrane module from each first four-way on the main wastewater pipeline for concentration, the concentrated wastewater returns to the current first four-way and continues to circulate in the main wastewater pipeline, and,
and the draw liquid enters each membrane shell of each stage of FO membrane modules from each second four-way on the draw liquid main pipeline to draw water in the wastewater, and the discharged draw liquid returns to the current second four-way and continuously circulates in the draw liquid main pipeline.
The beneficial effect that this scheme brought is as follows:
(1) the invention has the advantages of small occupied area, high automation degree, convenient increment and expansion and the like, is simple and convenient to operate and maintain, can be moved at any time and any place, can directly transport the device to the place where a treatment target is located, can directly carry out large-scale treatment, and is simple, convenient and quick.
(2) The container type movable forward osmosis equipment can be directly applied to emergency concentration treatment of leachate of the garbage transfer station, and the floor area of biochemical treatment is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a container-type mobile forward osmosis treatment facility according to the present invention;
FIG. 2 is a schematic diagram of an embodiment of an internal structure of a container type forward osmosis treatment apparatus.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In the following description, for the purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
The invention provides container type movable forward osmosis treatment equipment, which is arranged in a container and comprises a wastewater pretreatment unit, an FO membrane integrated unit (or called forward osmosis membrane integrated unit, namely the membrane integrated unit in figure 2) and a wastewater discharge unit which are sequentially connected;
the waste water pretreatment unit is provided with a mixed acid water tank and an FO water supply tank, one end of the mixed acid water tank is connected with an external waste water input pipeline to be treated, and the other end of the mixed acid water tank is connected with the FO water supply tank;
the FO membrane integrated unit comprises a main wastewater pipeline 1, a main drawing liquid pipeline 8 and n-stage FO membrane components (preferably 2-6 stages), wherein the water inlet end and the water outlet end of the main wastewater pipeline 1 are respectively connected with a FO water supply tank and a wastewater discharge unit, the main wastewater pipeline 1 positioned between the wastewater pretreatment unit and the FO membrane integrated unit is sequentially provided with a washing water inlet and a CIP washing inlet in the water inlet direction, the main wastewater pipeline 1 and the main drawing liquid pipeline 8 are respectively provided with n first cross joints 10 and n second cross joints 11 corresponding to the n-stage FO membrane components,
each stage of FO membrane component comprises a wastewater circulating pipeline 4, a drawing liquid circulating pipeline 9 and a plurality of membrane shells which are arranged in parallel/series, each membrane shell is provided with a wastewater inlet, a concentrated water outlet, a drawing liquid inlet and a drawing liquid outlet, the wastewater inlet and the concentrated water outlet are connected through the wastewater circulating pipeline 4, the middle part of the wastewater circulating pipeline 4 is disconnected and is respectively connected with the other two ports of the first cross 10, the drawing liquid inlet and the drawing liquid outlet are connected through the drawing liquid circulating pipeline 9, and the middle part of the drawing liquid circulating pipeline 9 is disconnected and is respectively connected with the other two ports of the second cross 11.
In an alternative embodiment, the wastewater sides of the membrane shells can be connected in parallel or in series, and in the case of series connection, the wastewater inlets and the concentrated water outlets of the head and the tail membrane shells are connected through the wastewater circulating pipeline 4; and the drawing liquid inlet and the drawing liquid outlet of each membrane shell are connected through the drawing liquid circulating pipeline 9, namely the drawing liquid inlet and the drawing liquid outlet of each membrane shell are directly connected with the drawing liquid circulating pipeline 9 through a branch.
In an alternative embodiment, the drawing liquid inlet and the drawing liquid outlet are respectively arranged on the end surfaces of the two ends of the membrane shell in the axial direction, the drawing liquid inlet and the drawing liquid outlet are connected with the drawing liquid circulating pipeline 9, and the whole pipeline is filled with the drawing liquid. The wastewater inlet and the concentrated water outlet are respectively arranged on the side wall of the membrane shell vertical to the axial direction of the membrane shell, the wastewater inlet and the concentrated water outlet are connected with the wastewater circulating pipeline 4, and the whole pipeline is filled with wastewater.
In an alternative embodiment, the main output of the main waste water conduit 1 is connected to three branches, respectively conduit 5, conduit 6 and conduit 7. Pipeline 5 connects is that the concentrated water discharge unit of waste water, and in the membrane system operation process, the hydrone in the waste water permeates the FO membrane and gets into and draw the liquid passageway, and waste water is concentrated gradually along the journey on waste water main line 1, and concentrated water is discharged to in the concentrated water tank from pipeline 5. Pipeline 6 is the mixed acid water tank of washing waste water, and pipeline 6 connects the waste water intake unit, and pipeline 2 and pipeline 6 are the import and export that the membrane washed, generally only when the system shut down, wash, and what pipeline 2 connected is the clean product water in outside. The pipelines 3 and 7 are inlet and outlet for CIP cleaning, the FO forward osmosis membrane has wide flow channel and strong anti-fouling capability, and the CIP cleaning is carried out once in 3 months to 1 year generally. The CIP cleaning system only comprises a simple cleaning water tank, a cleaning water pump and a cleaning filter and is not contained in the box body.
In the operation process of the FO membrane integrated unit, the draw solution is gradually diluted on the main draw solution pipeline 8 along the way, and the diluted draw solution is discharged from the main draw solution pipeline 8 to the external draw solution recovery device.
In an alternative embodiment, a waste water inlet filter F1 is provided on the main waste water pipe 1 between the flushing water inlet and the CIP cleaning inlet, the filtering accuracy of the waste water inlet filter F1 being 50-100 μm (preferably 50 μm). A liquid-drawing water inlet filter F2 is arranged at the main liquid inlet of the liquid-drawing main pipe 8, and the filtering precision of the liquid-drawing water inlet filter F2 is 5 mu m.
The FO membrane integrated unit comprises a plurality of pump units P1-P4: 1) a wastewater booster pump P1 disposed between the washing water inlet and the wastewater inlet filter F1; 2) a wastewater circulating pump P2 arranged between the first cross 10 and the membrane shell wastewater inlet; 3) a draw solution booster pump P3 disposed between the draw solution inlet and the draw solution intake filter F2; 4) and a draw solution circulating pump P4 disposed between the second four-way junction 11 and the draw solution inlet of the membrane shell.
In an alternative embodiment, the main liquid discharge ports of the wastewater circulating line 4, the dip liquid circulating line 9 and the dip liquid main line 8 are all provided with exhaust ports.
The upper end of the mixed acid water tank is reserved with a water inlet which is connected with external wastewater to be treated. In addition, a hydrochloric acid dosing device is connected with the mixed acid water tank, a stirring device is arranged in the mixed acid water tank, external wastewater enters the mixed acid water tank to be subjected to pH adjustment (the pH adjustment range is 2-7.5, and the optimal pH adjustment range is 5-6), the wastewater after the pH adjustment in the mixed acid water tank is transferred to the FO water supply tank through a transfer pump, and the wastewater is continuously discharged to a wastewater main pipeline 1 of the FO membrane integrated unit through the FO water supply tank.
Meanwhile, the invention also provides a forward osmosis treatment method based on the forward osmosis treatment equipment, which comprises the following steps:
s1, the wastewater to be treated is pretreated by coagulation or the like, primarily for the purpose of removing a portion of the suspended matter and COD in the wastewater, which step can be skipped when the forward osmosis container is used directly in place of a DTRO membrane system. And (3) enabling the pretreated wastewater to enter a mixed acid water tank through a container wastewater inlet, adding HCl into the mixed acid water tank, stirring, and adjusting the pH value of the wastewater.
S2, the wastewater enters each membrane shell of each stage of FO membrane module from each first four-way on the main wastewater pipeline 1 for concentration, the concentrated wastewater returns to the current first four-way and continues to circulate in the main wastewater pipeline 1, the drawing liquid enters each membrane shell of each stage of FO membrane module from each second four-way on the main drawing liquid pipeline 8 for drawing, and the discharged drawing liquid returns to the current second four-way and continues to circulate in the main drawing liquid pipeline 8. In this step, moisture in the waste water enters into drawing liquid through FO forward osmosis membrane, and the waste water is constantly concentrated and is discharged from the dense water export, draws liquid and constantly dilutes, discharges from the dilution mouth (draw liquid export promptly) and draw liquid recovery unit cyclic utilization through the outside.
The container type forward osmosis equipment provided by the invention comprises but is not limited to the following production scenes: the power plant desulfurization wastewater, the coal chemical wastewater, the RO concentrated solution, the DTRO concentrated solution, the MBR/ultrafiltration produced water, the nanofiltration concentrated water and the landfill leachate are concentrated, so that the pretreatment process unit and the matched floor area can be effectively reduced.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (8)
1. The container type movable forward osmosis treatment equipment is characterized in that the forward osmosis treatment equipment is installed in a container and comprises a wastewater pretreatment unit, an FO membrane integrated unit and a wastewater discharge unit which are connected in sequence;
the waste water pretreatment unit is provided with a mixed acid water tank and an FO water supply tank, one end of the mixed acid water tank is connected with an external waste water input pipeline to be treated, and the other end of the mixed acid water tank is connected with the FO water supply tank;
the FO membrane integrated unit comprises a main wastewater pipeline (1), a main drawing liquid pipeline (8) and n-level FO membrane components, wherein the water inlet end and the water outlet end of the main wastewater pipeline (1) are respectively connected with the FO water supply tank and the wastewater discharge unit, the main wastewater pipeline (1) positioned between the wastewater pretreatment unit and the FO membrane integrated unit is sequentially provided with a washing water inlet and a CIP washing inlet in the water inlet direction, the main wastewater pipeline (1) and the main drawing liquid pipeline (8) are respectively provided with n first cross joints (10) and n second cross joints (11) corresponding to the n-level membrane components,
each stage of FO membrane module comprises a wastewater circulating pipeline (4), a drawing liquid circulating pipeline (9) and a plurality of membrane shells (F01) which are arranged in parallel/series, each membrane shell (F01) is provided with a wastewater inlet, a concentrated water outlet, a drawing liquid inlet and a drawing liquid outlet, the wastewater inlet and the concentrated water outlet are connected through the wastewater circulating pipeline (4), the middle part of the wastewater circulating pipeline (4) is disconnected and connected with the other two ports of the first cross joint (11), the drawing liquid inlet and the drawing liquid outlet are connected through the drawing liquid circulating pipeline (9), and the middle part of the drawing liquid circulating pipeline (9) is disconnected and connected with the other two ports of the second cross joint (12).
2. The container type movable forward osmosis treatment device of claim 1, wherein a drawing liquid inlet and a drawing liquid outlet are respectively provided at end faces of both ends of the membrane housing in the axial direction, and a waste water inlet and a concentrate outlet are respectively provided at a side wall of the membrane housing perpendicular to the axial direction of the membrane housing.
3. The container-type movable forward osmosis treatment device according to claim 1, wherein the wastewater discharge unit comprises a wastewater concentrate discharge unit, a rinse water discharge unit and a CIP cleaning outlet which are arranged in parallel and connected to the main wastewater conduit (1).
4. The container type movable forward osmosis treatment apparatus according to claim 1, characterized in that a wastewater inlet filter (F1) having a filtering accuracy of 50-100 μm is provided on the main wastewater pipe (1) between the washing water inlet and the CIP cleaning inlet.
5. A container-type movable forward osmosis treatment apparatus according to claim 4, characterized in that a draw solution inlet filter (F2) is provided at the main inlet of the main draw solution conduit (8), and the filtration accuracy of the draw solution inlet filter (F2) is 5 μm.
6. The container-type mobile forward osmosis treatment plant according to claim 1, wherein the wastewater circulation line (4) is provided with a wastewater circulation pump (P2) and a first exhaust port, the wastewater circulation pump (P2) being arranged between the first cross and the membrane housing wastewater inlet;
the drawing liquid circulating pipeline (9) is provided with a drawing liquid circulating pump (P4) and a second exhaust port, and the drawing liquid circulating pump is arranged between the second four-way joint and the drawing liquid inlet of the membrane shell.
7. The container-type movable forward osmosis treatment device of claim 1, wherein the mixed acid water tank adjusts the PH of the wastewater to 2-7.5.
8. A forward osmosis treatment method based on the device of any one of claims 1-7, comprising the steps of:
s1, the wastewater pretreatment unit adjusts the pH of the wastewater and then conveys the wastewater to the FO membrane integrated unit;
s2, the wastewater enters each membrane shell of each stage FO membrane module from each first four-way (10) on the main wastewater pipeline (1) for concentration, the concentrated wastewater returns to the current first four-way (10) and continuously circulates in the main wastewater pipeline (1),
and the draw solution enters each membrane shell of each stage of FO membrane module from each second four-way (11) on the main draw solution pipeline (8) to draw water in the wastewater, and the discharged draw solution returns to the current second four-way (11) and continuously circulates in the main draw solution pipeline (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541924.8A CN111646596A (en) | 2020-06-15 | 2020-06-15 | Container type movable forward osmosis treatment equipment and forward osmosis treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541924.8A CN111646596A (en) | 2020-06-15 | 2020-06-15 | Container type movable forward osmosis treatment equipment and forward osmosis treatment method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111646596A true CN111646596A (en) | 2020-09-11 |
Family
ID=72345853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010541924.8A Pending CN111646596A (en) | 2020-06-15 | 2020-06-15 | Container type movable forward osmosis treatment equipment and forward osmosis treatment method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111646596A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501588A (en) * | 2021-07-29 | 2021-10-15 | 上海缘脉环境科技有限公司 | Full automatic equipment of sewage treatment dual system integral type |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205222857U (en) * | 2015-09-01 | 2016-05-11 | 中冶建筑研究总院有限公司 | Reverse osmosis container formula sea water desalination device |
| CN109734236A (en) * | 2019-03-05 | 2019-05-10 | 上海缘脉环境科技有限公司 | A kind of positive osmosis concentration technique of landfill leachate |
| CN109850996A (en) * | 2019-02-25 | 2019-06-07 | 上海缘脉环境科技有限公司 | A kind of processing method of power plant desulfurization wastewater |
| CN109987739A (en) * | 2017-12-29 | 2019-07-09 | 杭州水处理技术研究开发中心有限公司 | A kind of container-type seawater desalination system |
| CN210206461U (en) * | 2019-04-09 | 2020-03-31 | 中海石油炼化有限责任公司 | Concentration device for low-hardness sodium chloride solution |
-
2020
- 2020-06-15 CN CN202010541924.8A patent/CN111646596A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205222857U (en) * | 2015-09-01 | 2016-05-11 | 中冶建筑研究总院有限公司 | Reverse osmosis container formula sea water desalination device |
| CN109987739A (en) * | 2017-12-29 | 2019-07-09 | 杭州水处理技术研究开发中心有限公司 | A kind of container-type seawater desalination system |
| CN109850996A (en) * | 2019-02-25 | 2019-06-07 | 上海缘脉环境科技有限公司 | A kind of processing method of power plant desulfurization wastewater |
| CN109734236A (en) * | 2019-03-05 | 2019-05-10 | 上海缘脉环境科技有限公司 | A kind of positive osmosis concentration technique of landfill leachate |
| CN210206461U (en) * | 2019-04-09 | 2020-03-31 | 中海石油炼化有限责任公司 | Concentration device for low-hardness sodium chloride solution |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501588A (en) * | 2021-07-29 | 2021-10-15 | 上海缘脉环境科技有限公司 | Full automatic equipment of sewage treatment dual system integral type |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101591127A (en) | A kind of treatment process of percolate and device | |
| Grundestam et al. | Wastewater treatment with anaerobic membrane bioreactor and reverse osmosis | |
| CN105084661A (en) | Coal-based ethylene glycol sewage treatment method and system | |
| CN210206461U (en) | Concentration device for low-hardness sodium chloride solution | |
| CN111646596A (en) | Container type movable forward osmosis treatment equipment and forward osmosis treatment method thereof | |
| CN207130057U (en) | A kind of full embrane method device for deep cleaning of desulfurization wastewater and system | |
| CN202246180U (en) | Nanofiltration integrated device for advanced treatment of leachate | |
| CN205347067U (en) | Chemistry pail pack washing wastewater's modularization processing system | |
| CN206872572U (en) | A kind of NF membrane advanced purification system for handling Desulphurization for Coal-fired Power Plant waste water | |
| CN209383527U (en) | A kind of space flight furnace gasification ash water hardness removing device | |
| CN203065306U (en) | High-concentration organic wastewater treatment and recycling integrated device | |
| CN210419589U (en) | Novel acid wastewater recovery equipment for semiconductor factory | |
| CN202543003U (en) | Landfill leachate treatment device | |
| CN201864636U (en) | Recycling treatment device system of circulating water of power plant | |
| CN113620515B (en) | Kitchen garbage collection vehicle washes effluent treatment, recovery unit | |
| CN206014612U (en) | The integrated emergent treatment system of percolate | |
| CN215163877U (en) | Laundry dragon nanofiltration filtration system | |
| CN108726808A (en) | A kind of the synthesis deployment device and integrated conduct method of burn away the refuse percolate and landfill waste percolate | |
| CN205011562U (en) | Garbage leachate treatment system | |
| CN203360071U (en) | Forward osmosis-reverse osmosis reactor | |
| CN102580534A (en) | Concentrated solution backflow circulating type membrane separation equipment and method thereof | |
| CN208394845U (en) | It can the nanofiltration of in-site chemical cleaning, reverse osmosis membrane apparatus | |
| CN208843893U (en) | A kind of synthesis deployment device of burn away the refuse percolate and landfill waste percolate | |
| CN221440403U (en) | Efficient degasser device on reverse osmosis equipment for treating landfill leachate | |
| CN109553185A (en) | A kind of film advanced treating integrated module device for landfill leachate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200911 |
|
| RJ01 | Rejection of invention patent application after publication |