CN209396949U - A kind of micro-filtration-nanofiltration integrated water processing unit - Google Patents
A kind of micro-filtration-nanofiltration integrated water processing unit Download PDFInfo
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- CN209396949U CN209396949U CN201821805041.8U CN201821805041U CN209396949U CN 209396949 U CN209396949 U CN 209396949U CN 201821805041 U CN201821805041 U CN 201821805041U CN 209396949 U CN209396949 U CN 209396949U
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Abstract
The utility model discloses a kind of micro-filtration-nanofiltration integrated water processing units, which includes raw water box；Raw water box bottom is equipped with raw water discharge pipe and raw water outlet pipeline, raw water outlet pipeline is set there are three branch, be respectively microfiltration membranes inlet pipeline, nanofiltration membrane inlet pipeline, microfiltration membranes alkali cleaning pipeline, microfiltration membranes inlet pipeline connects the first high-pressure pump, the water outlet of first high-pressure pump connects microfiltration membranes, the concentrate recirculation pipeline of the concentrated water branch connection nanofiltration membrane of microfiltration membranes, the water producing pipe road of microfiltration membranes connects intermediate water tank, the inlet pipeline of intermediate water tank water outlet connection nanofiltration membrane, the water inlet branch of nanofiltration membrane connects the second high-pressure pump, and the second high-pressure pump connects nanofiltration membrane；The utility model micro-filtration and nanofiltration can be carried out individually using can also be used in series；Microfiltration membranes and nanofiltration membrane are equipped with cleaning system, can clean simultaneously to film, improve cleaning efficiency；The acid pump and alkali pump of cleaning device separate, and pickling and alkali cleaning can be respectively used to, to reach Membrane cleaning effect.
Description
Technical field
The utility model belongs to Membrane Separation for Water Treatment field, more particularly to a kind of micro-filtration-nanofiltration integrated water processing
Device.
Background technique
Micro-filtration is, in the case where the pressure of 0.1-0.3MPa pushes, to retain gravel, mud, clay using perforated membrane as filter medium
Equal particles and giardia lamblia, Cryptosporidium, algae and bacterium etc., are mainly used for the pretreatment of industry water；Nanofiltration is one kind between anti-
Permeate the novel membrane separation technique between ultrafiltration, between the retention relative molecular mass 200-2000 of nanofiltration membrane, membrane aperture is about
For 1nm, nanofiltration membrane can retain the low relative molecular masses such as carbohydrate organic matter and high price inorganic salts, the operating pressure of general nanofiltration
For 0.5-1.5MPa, due to unique separating property of nanofiltration membrane, it is determined that it is in water softening and low relative molecular mass organic matter
Purify the status of concentration.In addition, nanofiltration membrane can effectively remove many intermediate relative molecular quality solutes, before disinfection by-products
Object, remains of pesticide and certain pigments etc. are driven, thus is used widely in purifying water process and decoloration.
Micro-filtration and nanofiltration membrane treatment method are widely used in sewerage advanced treatment process, what current film device had
For handling sewage, some is used to carry out Membrane cleaning, and some carries out the standard testing of film, be not found can collect these functions with
The device of the whole body, and making up a prescription in current cleaning device is generally manually made up a prescription, also there is no acid pumps and alkali pump point for cleaning pump
It opens, causes human cost high, cleaning way is also limited to.
Summary of the invention
In view of the problems of the existing technology, the utility model provides a kind of micro-filtration-nanofiltration integrated water processing unit,
The utility model is realized in this way a kind of micro-filtration-nanofiltration integrated water processing unit, which is characterized in that the water
Processing unit includes raw water box；Raw water box bottom is equipped with raw water discharge pipe and raw water outlet pipeline, and raw water outlet pipeline is equipped with
Three branches, be respectively microfiltration membranes inlet pipeline, nanofiltration membrane inlet pipeline, microfiltration membranes alkali cleaning pipeline, microfiltration membranes inlet pipeline
The first high-pressure pump is connected, the water outlet of the first high-pressure pump connects microfiltration membranes, and the outlet pipeline of microfiltration membranes is divided into the concentrated water branch of microfiltration membranes
Road and the water producing pipe road of microfiltration membranes, the concentrate recirculation pipeline of the concentrated water branch connection nanofiltration membrane of microfiltration membranes, the water producing pipe of microfiltration membranes
Road connect intermediate water tank, intermediate water tank water outlet connection nanofiltration membrane inlet pipeline, the inlet pipeline of nanofiltration membrane be divided into nanofiltration membrane into
Water lines, the water inlet branch of nanofiltration membrane, nanofiltration membrane three branches of alkali cleaning pipeline, the water inlet branch of nanofiltration membrane connects the second high pressure
Pump, the second high-pressure pump connect nanofiltration membrane, and nanofiltration membrane goes out moisture concentrated water pipeline and water producing pipe road, and concentrated water pipeline divides concentrate recirculation pipe
Road and the outer row pipeline of concentrated water, water producing pipe road, which is divided into, to be produced water recovery culvert and produces water branch 18, is produced water branch and is divided into the outer comb of production water
Road and production water return line, produce water return line and concentrate recirculation pipeline is all connected with the top water inlet of raw water box；
The water treatment facilities is additionally provided with the first dosing tank, the second dosing tank, filtered water tank；
Wherein, the first dosing tank bottom is equipped with the first dosing outlet pipeline and the first dosing tank discharge pipe, the first dosing
Outlet pipeline connects the first ejector, and the first outlet pipeline of the first ejector is divided into the alkali cleaning pipeline and microfiltration membranes of microfiltration membranes
First pickling pipeline, first pickling piping connection the first acid pump of microfiltration membranes, the water inlet of the water outlet connection microfiltration membranes of the first acid pump
Pipeline；
Second dosing tank bottom is equipped with the second dosing outlet pipeline and the second dosing tank discharge pipe, the second dosing outlet pipe
Road connects the second ejector, and the second outlet pipeline of the second ejector is divided into the alkali cleaning pipeline of nanofiltration membrane and the second acid of nanofiltration membrane
Wash pipeline, second the second sour pump of pickling piping connection of nanofiltration membrane, the water outlet connection nanofiltration membrane water inlet branch of the second acid pump；
The bottom of filtered water tank point the first clear water water outlet branch and the second clear water are discharged branch, and the first clear water is discharged branch connection
First ejector, the second clear water are discharged branch and connect the second ejector.
Compared with the prior art, the utility model has the following advantages:
1, the utility model structure is simple, and rationally, it is convenient and at low cost to realize for design.
2, operation is simple for the utility model, and operator only needs simple training can the individually operated entire processing of completion
Process.
3, the utility model is multiple functional, can carry out micro-filtration-nanofiltration processing of small-scale sewage；Nanofiltration membrane is in standard conditions
Under permeant flux and rejection test；The cleaning of microfiltration membranes and nanofiltration membrane；Membrane component oxidation experiment, membrane component chlorine-resistant experiment,
The experiment of membrane component anti-pollution, film reparative experiment, membrane component propose back experiment, and the experiment of various medicaments relevant to concentration.
4, the micro-filtration in the utility model and nanofiltration can be carried out individually using can also be used in series；It microfiltration membranes and receives
Filter membrane is equipped with cleaning system, can clean simultaneously to film, improve cleaning efficiency；The acid pump and alkali pump of cleaning device separate,
It can be respectively used to pickling and alkali cleaning, with the Membrane cleaning effect being optimal.
5, the device of the utility model is equipped with ejector, it can be achieved that the automatic dilution of cleaning agent, removes manual dilution from, subtract
Few cost of labor.
Detailed description of the invention
Fig. 1 is the utility model principle figure.
In figure, 1, raw water box；2, raw water discharge pipe；3, raw water outlet pipeline；5, microfiltration membranes inlet pipeline；6, nanofiltration membrane
Inlet pipeline；7, microfiltration membranes alkali cleaning pipeline；8, the first high-pressure pump；9, microfiltration membranes；10, microfiltration membranes concentrated water branch；11, microfiltration membranes
Water producing pipe road；12, microfiltration membranes concentrate recirculation pipeline；13, nanofiltration membrane water inlet branch；14, nanofiltration membrane alkali cleaning pipeline；15, second is high
Press pump；16, nanofiltration membrane；17, go out moisture concentrated water pipeline；18, water branch is produced；19, nanofiltration membrane water producing pipe road；20, the outer comb of concentrated water
Road；21, the outer row pipeline of water is produced；22, water recovery culvert is produced；23, water return line is produced；24, the first dosing tank；26, second adds
Medicine-chest；27, filtered water tank；28, the first dosing outlet pipeline；29, the first dosing tank discharge pipe；30, the first ejector；31,
One outlet pipeline；32, the first pickling pipeline；33, the first acid pump；34, the second dosing outlet pipeline；35, the second dosing tank discharges
Pipeline；36, the second ejector；37, the second outlet pipeline；38, the second pickling pipeline；39, the second acid pump；40, clear water water outlet branch
Road；41, clear water is discharged branch；42, intermediate water tank；44, water tank water intake pipeline.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain that this is practical
It is novel, it is not used to limit the utility model.
The utility model is realized in this way referring to Fig. 1, a kind of micro-filtration-nanofiltration integrated water processing unit, at the water
Managing device includes raw water box；1 bottom of raw water box is equipped with raw water discharge pipe 2 and raw water outlet pipeline 3, and raw water outlet pipeline 3 is set
There are three branches, are microfiltration membranes inlet pipeline 5, nanofiltration membrane inlet pipeline 6, microfiltration membranes alkali cleaning pipeline 7, microfiltration membranes water inlet pipe respectively
Road 5 connects the first high-pressure pump 8, and the water outlet of the first high-pressure pump 8 connects microfiltration membranes 9, and it is dense that the outlet pipeline of microfiltration membranes 9 is divided into microfiltration membranes
Water branch 10 and microfiltration membranes water producing pipe road 11, microfiltration membranes concentrated water branch 10 connect nanofiltration membrane concentrate recirculation pipeline 12, and microfiltration membranes produce
Water lines 11 connect intermediate water tank 42, the water tank water intake pipeline 44 of intermediate water tank water outlet connection nanofiltration membrane, the water tank of nanofiltration membrane into
Water lines 44 divide for nanofiltration membrane inlet pipeline 6, nanofiltration membrane intake branch 13, nanofiltration membrane 14 3 branches of alkali cleaning pipeline, nanofiltration
Film water inlet branch 13 connects the second high-pressure pump 15, and the second high-pressure pump 15 connects nanofiltration membrane 16, and nanofiltration membrane 16 goes out moisture concentrated water pipe
Road 17 and nanofiltration membrane water producing pipe road 19, concentrated water pipeline 17 divide concentrate recirculation pipeline 12 and the outer row pipeline 20 of concentrated water, nanofiltration membrane to produce water
Pipeline 19 divides to produce water recovery culvert 22 and produce water branch 18, produces water branch 18 and divides to produce row pipeline 21 outside water and producing water return pipe
Road 23, produces water return line 23 and concentrate recirculation pipeline 12 is all connected with the top water inlet of raw water box；
The device is additionally provided with the first dosing tank 24, the second dosing tank 25, filtered water tank 27；
Wherein, 24 bottom of the first dosing tank is equipped with the first dosing outlet pipeline 28 and the first dosing tank discharge pipe 29, the
One dosing outlet pipeline 28 connects the first ejector 30, and the first outlet pipeline 31 of the first ejector divides for microfiltration membranes alkali cleaning pipe
First pickling pipeline 32 of road 7 and microfiltration membranes, the first acid of the first pickling pipeline 32 connection pump 33 of microfiltration membranes, the first acid pump 33
Water outlet connect microfiltration membranes inlet pipeline 5；
Second dosing tank, 25 bottom is equipped with the second dosing outlet pipeline 34 and the second dosing tank discharge pipe 35, the second dosing
Outlet pipeline 34 connects the second ejector 36, and the second outlet pipeline 37 of the second ejector 36 divides the alkali cleaning pipeline 14 for nanofiltration membrane
And the second pickling pipeline 38 of nanofiltration membrane, the second acid of the second pickling pipeline 38 connection pump 39 of nanofiltration membrane, the second acid pump 39 goes out
Water connects nanofiltration membrane water inlet branch 13；
The bottom of filtered water tank 27 point the first clear water water outlet branch 40 and the second clear water are discharged branch 41, the first clear water water outlet branch
Road 40 connects ejector 30, and the second clear water is discharged branch 41 and connects the second ejector 36.
Operating process:
1. micro-filtration-nanofiltration normal process operating process: raw water box is put into sewage, opens valve 6, the starting high-pressure pump 8 of valve 13, to
After intermediate water tank is filled it up with, valve 14, valve 15, valve 16 are opened, starts high-pressure pump 15, starts nanofiltration processing.
2. for cleaning microfiltration membranes process pickling: after opening valve 1, valve 2, valve 3, valve 4, valve 5, starting acid picking pump 33 is added
Medicine closes valve 1, valve 2 when raw water box washing lotion volume reaches 300L, opens valve 6, valve 7, constitutes circulation loop, carries out circulation cleaning
It washes.
3. for nanofiltration membrane cleaning process pickling: starting acid pump 39, which clean, after opening valve 8, valve 9, valve 10, valve 5 adds
Medicine closes valve 8, valve 9 when raw water box washing lotion volume reaches 300L, opens valve 6, valve 11, valve 12, constitutes scavenger circuit, into
Row wash cycles.
Embodiment:
1. data see the table below after carrying out micro-filtration-nanofiltration technique processing using sewage of the equipment to certain plant area:
Data comparison unit before and after 1 sewage treatment of table: mg/L
| PH | COD | BOD | SS | Ammonia nitrogen is in terms of N | Total phosphorus is in terms of P | |
| Before processing | 7.89 | 368 | 236 | 45 | 12.3 | 6.4 |
| After processing | 7.26 | 28 | 5.7 | 4.7 | 8.1 | 1.2 |
2. being cleaned using nanofiltration membrane of the equipment to certain factory, returned after cleaning and be filled to scene, tested again, compared
Cleaning front and back data can be seen that the intake pressure of film and the pressure difference of concentrated water pressure significantly reduces, and water yield significantly increases,
Cleaning effect is obvious, and detailed data see the table below:
| Inlet pressure | Concentrated water pressure | Water yield | Concentrated water amount | Water inlet conductance | Water power is produced to lead | Temperature | |
| Before washing | 1.2MPa | 0.68MPa | 25.5t/h | 19t/h | 202μs/cm | 90.9μs/cm | 13.5℃ |
| After washing | 1.06MPa | 0.79MPa | 49.8t/h | 8.8t/h | 200μs/cm | 88.4μs/cm | 13.7℃ |
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (1)
1. a kind of micro-filtration-nanofiltration integrated water processing unit, which is characterized in that the water treatment facilities includes raw water box；Raw water box
(1) bottom is equipped with raw water discharge pipe (2) and raw water outlet pipeline (3), and raw water outlet pipeline (3) sets there are three branch, distinguishes
It is microfiltration membranes inlet pipeline (5), nanofiltration membrane inlet pipeline (6), microfiltration membranes alkali cleaning pipeline (7), microfiltration membranes inlet pipeline (5) connection
The water outlet of first high-pressure pump (8), the first high-pressure pump (8) connects microfiltration membranes (9), and the outlet pipeline of microfiltration membranes (9) is divided into microfiltration membranes
Concentrated water branch (10) and microfiltration membranes water producing pipe road (11), microfiltration membranes concentrated water branch (10) connect nanofiltration membrane concentrate recirculation pipeline
(12), microfiltration membranes water producing pipe road (11) connection intermediate water tank (42), the water tank water intake pipeline of intermediate water tank water outlet connection nanofiltration membrane
(44), water tank water intake pipeline (44) is separately connected nanofiltration membrane inlet pipeline (6), nanofiltration membrane water inlet branch (13), nanofiltration membrane alkali cleaning
(14) three branches of pipeline, nanofiltration membrane water inlet branch (13) connection the second high-pressure pump (15), the second high-pressure pump (15) connect nanofiltration
Film (16), nanofiltration membrane (16) go out moisture concentrated water pipeline (17) and nanofiltration membrane water producing pipe road (19), and concentrated water pipeline (17) divides concentrated water
Return line (12) and the outer row pipeline (20) of concentrated water, nanofiltration membrane water producing pipe road (19), which is divided into, produces water recovery culvert (22) and production water branch
Road (18), produces water branch (18) and is divided into and produce outer row pipeline (21) the Ji Chanshui return line (23) of water, produce water return line (23) and
Concentrate recirculation pipeline (12) is all connected with the top water inlet of raw water box；
The water treatment facilities is additionally provided with the first dosing tank (24), the second dosing tank (25), filtered water tank (27)；
Wherein, the first dosing tank (24) bottom is equipped with the first dosing outlet pipeline (28) and the first dosing tank discharge pipe (29),
First dosing outlet pipeline (28) connects the first ejector (30), and the first outlet pipeline (31) of the first ejector is divided into microfiltration membranes
First pickling pipeline (32) of alkali cleaning pipeline (7) and microfiltration membranes, the first pickling pipeline (32) connection the first acid pump of microfiltration membranes
(33), the water outlet of the first acid pump (33) connects microfiltration membranes inlet pipeline (5)；
Second dosing tank (25) bottom is equipped with the second dosing outlet pipeline (34) and the second dosing tank discharge pipe (35), and second adds
Medicine outlet pipeline (34) connects the second ejector (36), and the second outlet pipeline (37) of the second ejector (36) is divided into nanofiltration membrane
Second pickling pipeline (38) of alkali cleaning pipeline (14) and nanofiltration membrane, the second pickling pipeline (38) connection the second acid pump of nanofiltration membrane
(39), water outlet connection nanofiltration membrane water inlet branch (13) of the second acid pump (39)；
The first clear water water outlet branch (40) of the bottom of filtered water tank (27) and the second clear water water outlet branch (41), the water outlet of the first clear water
Branch (40) connects the first ejector (30), and the second clear water is discharged branch (41) connection the second ejector (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821805041.8U CN209396949U (en) | 2018-11-02 | 2018-11-02 | A kind of micro-filtration-nanofiltration integrated water processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821805041.8U CN209396949U (en) | 2018-11-02 | 2018-11-02 | A kind of micro-filtration-nanofiltration integrated water processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209396949U true CN209396949U (en) | 2019-09-17 |
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ID=67879487
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821805041.8U Active CN209396949U (en) | 2018-11-02 | 2018-11-02 | A kind of micro-filtration-nanofiltration integrated water processing unit |
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| Country | Link |
|---|---|
| CN (1) | CN209396949U (en) |
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2018
- 2018-11-02 CN CN201821805041.8U patent/CN209396949U/en active Active
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