CN110510767A - A kind of multi-section circulation formula rolled film super-pressure counter-infiltration system and control method - Google Patents
A kind of multi-section circulation formula rolled film super-pressure counter-infiltration system and control method Download PDFInfo
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- CN110510767A CN110510767A CN201910925050.3A CN201910925050A CN110510767A CN 110510767 A CN110510767 A CN 110510767A CN 201910925050 A CN201910925050 A CN 201910925050A CN 110510767 A CN110510767 A CN 110510767A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000001764 infiltration Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 376
- 238000005096 rolling process Methods 0.000 claims abstract description 124
- 238000004519 manufacturing process Methods 0.000 claims abstract description 36
- 238000009295 crossflow filtration Methods 0.000 claims abstract description 17
- 239000012528 membrane Substances 0.000 claims description 111
- 238000001223 reverse osmosis Methods 0.000 claims description 62
- 238000004064 recycling Methods 0.000 claims description 49
- 238000001914 filtration Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 12
- 239000002351 wastewater Substances 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000013505 freshwater Substances 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F2301/04—Flow arrangements
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- 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
Subject description discloses a kind of multi-section circulation formula rolled film super-pressure counter-infiltration systems, also disclose a kind of control method of multi-section circulation formula rolled film super-pressure counter-infiltration system.For the system, wherein filter is set on water inlet supervisor, and the side for high-pressure pump of intaking is connected with into water and is responsible for, and the other side for high-pressure pump of intaking is connected with concentrated water main pipe, and the side far from water inlet high-pressure pump is equipped with Serve Motor Control valve in concentrated water main pipe;The concentrated water main pipe wherein intake between high-pressure pump and Serve Motor Control valve is communicated with cross-flow filtration system, and the other side of cross-flow filtration system is also connected to production water supervisor;Cross-flow filtration system includes several be arranged side by side the first rolling membranous system and second rolling membranous systems, several the first rolling membranous systems are placed in the front side of the second rolling membranous system.The system footprint area is smaller, and the control method of the system improves fresh-water recovery rate.
Description
Technical field
This specification is related to high-salt wastewater concentration field, and in particular to a kind of multi-section circulation formula rolled film super-pressure is anti-
Osmosis system and control method.
Background technique
In high-salt wastewater concentration field, sea-water reverse osmose membranous system or disc tube reverse osmosis (dt-ro) system is mostly used to handle useless
Water.The problem is that: disc tube reverse osmosis (dt-ro) system footprint area is big, and fresh-water recovery rate is lower, and cost is higher.Sea-water reverse osmose
Membranous system fresh-water recovery rate is lower, no cross-flow circulating filtration measure, be easy to cause film surface dirt stifled.
Summary of the invention
This specification embodiment provides a kind of multi-section circulation formula rolled film super-pressure counter-infiltration system and control method, with portion
The solution above problem of the existing technology divided.
This specification embodiment adopts the following technical solutions:
A kind of multi-section circulation formula rolled film super-pressure counter-infiltration system that this specification provides, comprising: filter, water inlet are high
Press pump, water inlet supervisor, concentrated water main pipe, cross-flow filtration system, produces water supervisor at Serve Motor Control valve, specifically, filter can be adopted
Use cartridge filter.Wherein filter is set on water inlet supervisor, and the side for high-pressure pump of intaking is connected with into water and is responsible for, and needs to handle
Influent waste water by water inlet supervisor enter this system in.The other side of water inlet high-pressure pump is connected with concentrated water main pipe, and water inlet enters
It is discharged after handling and being flowed by concentrated water main pipe after this system, far from the side installation of water inlet high-pressure pump in the concentrated water main pipe
There is Serve Motor Control valve.The concentrated water main pipe wherein intake between high-pressure pump and Serve Motor Control valve is communicated with cross-flow filtration system
System, the other side of the cross-flow filtration system are also connected to production water supervisor;By cross-flow filtration system treated produce water pass through
Produce water supervisor's discharge.The cross-flow filtration system includes several be arranged side by side the first rolling membranous system and second rolling membrane systems
System, several described the first rolling membranous systems are placed in the front side of the second rolling membranous system.
Optionally, the first rolling membranous system includes sequentially connected circulation water inlet pipe, the first rolled membrane module, circulation
Outlet pipe, the first rolling membranous system further include concentrated water recycling booster pump, produce water branch pipe, and wherein concentrated water recycles setting for booster pump
Set the cross-flow circulating filtration that can be realized greater than system flow of inlet water.Wherein circulation water inlet pipe far from the first rolled membrane module one
End is connected to concentrated water main pipe, and the one end of recycling outlet far from the first rolled membrane module is also connected to concentrated water main pipe;Concentrated water is followed again
Ring booster pump is set in circulation water inlet pipe, and the one end for producing water branch pipe is connect with the first rolled membrane module, produces the other end of water branch pipe
It is connected to water supervisor is produced.
Optionally, the second rolling membranous system includes sequentially connected circulation water inlet pipe, the second rolled membrane module, circulation
Outlet pipe, the second rolling membranous system further include concentrated water recycling booster pump, produce water branch pipe, and wherein circulation water inlet pipe is far from volume Two
One end of formula membrane module is connected to concentrated water main pipe, and the one end of recycling outlet far from the second rolled membrane module also connects with concentrated water main pipe
It is logical;Concentrated water recycles booster pump and is set in circulation water inlet pipe, and the one end for producing water branch pipe is connect with the second rolled membrane module, produces water branch
The other end of pipe is connected to water supervisor is produced.
Optionally, first rolled membrane module includes several first coiled reverse osmosis membrane elements being connected in series, string
The water inlet of first first coiled reverse osmosis membrane element for joining connection is connect with circulation water inlet pipe, series connection it is last
The concentrated water discharge mouth of one first coiled reverse osmosis membrane element is connect with recycling outlet, each of series connection described
The production mouth of a river of one coiled reverse osmosis membrane element is connect with production water branch pipe.This system is using coiled reverse osmosis membrane element as core
Processing component realizes super-pressure osmosis filtration, and this system highest operating pressure is enabled to reach 120bar.
Optionally, second rolled membrane module includes several second coiled reverse osmosis membrane elements being connected in series, string
The water inlet of first second coiled reverse osmosis membrane element for joining connection is connect with circulation water inlet pipe, series connection it is last
The concentrated water discharge mouth of one second coiled reverse osmosis membrane element is connect with recycling outlet, each of series connection described
The production mouth of a river of two coiled reverse osmosis membrane elements is connect with production water branch pipe.This system is using coiled reverse osmosis membrane element as core
Processing component realizes super-pressure osmosis filtration, and this system highest operating pressure is enabled to reach 120bar.
Optionally, multi-section circulation formula rolled film super-pressure counter-infiltration system further includes control system, water inlet conductivity detection
Instrument, flow of inlet water sensor, concentrated water flow sensor, specifically, control system can be PLC system.The water inlet conductivity
Detector, flow of inlet water sensor, concentrated water flow sensor, water inlet high-pressure pump, concentrated water recycle booster pump, Serve Motor Control
Valve is electrically connected at control system.Electric conductivity detector, flow of inlet water sensor wherein intake on water inlet supervisor, concentrated water
Flow sensor is in the concentrated water main pipe after Serve Motor Control valve.Specifically, water inlet electric conductivity detector for measure into
The conductivity of water, flow of inlet water sensor are used to measure the flow of water inlet, and concentrated water flow sensor is used to measure the flow of concentrated water,
And the conductivity measured and flow information are sent to control system, after control system handles information analysis, issue control letter
Number feed high-pressure water pump, concentrated water recycle booster pump, Serve Motor Control valve, and then control water inlet high-pressure pump, concentrated water recycling
The aperture of booster pump, Serve Motor Control valve.Wherein, the aperture of Serve Motor Control valve is according to flow of inlet water, concentrated water water tune
Section, it is therefore an objective to adjust the whole fresh-water recovery rate of this system.
Optionally, the quantity of the first rolling membranous system is two or three, the quantity of the second rolling membranous system
It is one;The quantity of first coiled reverse osmosis membrane element is five or six.
Optionally, the quantity of the first rolling membranous system is two or three, the quantity of the second rolling membranous system
It is one;The quantity of second coiled reverse osmosis membrane element is five or six.
A kind of control method for multi-section circulation formula rolled film super-pressure counter-infiltration system that this specification provides, use are aforementioned
Multi-section circulation formula rolled film super-pressure counter-infiltration system, including following procedure:
The first rolling membranous system that several are arranged side by side is named as one section of first rolling according to sequence from front to back
Membranous system, two section of first rolling membranous system, and so on;
Firstly, control system, which closes concentrated water, recycles booster pump, water inlet high-pressure pump and Serve Motor Control valve are opened;
Influent waste water first enters filter through water inlet supervisor and removes impurity, subsequently into water inlet high-pressure pump pressurization, after pressurization
Water inlet flow into concentrated water main pipe in, then go out through Serve Motor Control valve regulation concentrated water displacement heel row;
After high-pressure pump of intaking opens 60s~100s, the concentrated water that control system is opened in one section of first rolling membranous system is followed again
Ring booster pump, one section of first rolling membranous system forms cross-flow circulation at this time;
About the cross-flow circulation of one section of first rolling membranous system, specifically include: through pressurized a part of high-pressure pump of intaking
Water inlet flows into the circulation water inlet pipe of one section of first rolling membranous system, enters first after concentrated water recycling booster pump continues pressurization
It is filtered in rolled membrane module, filtered production water is produced water branch pipe and is flowed into production water supervisor's discharge, and filtered concentrated water is through recycling
Outlet pipe is flowed into concentrated water main pipe;For filtered concentrated water, a part flows backward along concentrated water main pipe, and another part exists
Move in circles flowing in one section of first rolling membranous system;
After concentrated water recycling booster pump in one section of first rolling membranous system opens 60s~100s, control system opens two
In the first rolling membranous system of section, two section of first rolling membranous system forms cross-flow circulation at this time, the process of cross-flow circulation with one section
First rolling membranous system is identical;
The cross-flow cyclic process of remaining several sections of the first rolling membranous system and so on;
Then, control system opens the concentrated water in the second rolling membranous system and recycles booster pump, at this time the second rolling membrane system
System forms cross-flow circulation, and the cross-flow cyclic process of the second rolling membranous system specifically includes: several the first rollings being arranged side by side
Membranous system cross-flow circulation after concentrated water summarize by concentrated water main pipe after, a part of concentrated water into the second rolling membranous system circulation into
In water pipe, enters in volume Two formula membrane module after concentrated water recycling booster pump continues pressurization and filter, filtered production water is through producing
Water branch pipe, which is flowed into, produces water supervisor's discharge, and filtered concentrated water is flowed into concentrated water main pipe through recycling outlet;After filtering
Concentrated water, a part moves in circles flowing in the second rolling membranous system, and another part flows backward along concentrated water main pipe, through watching
It is discharged after taking motor control valve.
Optionally, control method further includes flowing into one section of first rolling through the pressurized a part water inlet of water inlet high-pressure pump
In the circulation water inlet pipe of membranous system, through concentrated water recycling booster pump continue pressurization after enter first volume formula membrane module in filter when,
Since the first rolled membrane module includes the first coiled reverse osmosis membrane element that several are arranged in juxtaposition, the flows difference such as water inlet
Into filtering in several first coiled reverse osmosis membrane elements, filtered production water is produced the convergence of water branch pipe and flows into production water supervisor,
Filtered concentrated water is converged through recycling outlet.And so on, two section of first rolling membranous system and subsequent first rolling membrane system
System is same filter type.
Optionally, control method further includes the concentrated water after several first rolling membranous system cross-flows being arranged side by side circulation
After being summarized by concentrated water main pipe, a part of concentrated water enters in the circulation water inlet pipe of the second rolling membranous system, recycles and increases through concentrated water
Press pump enters after continuing pressurization in volume Two formula membrane module when filtering, since the second rolled membrane module includes that several are arranged in juxtaposition
The second coiled reverse osmosis membrane element, therefore intake etc. flows respectively enter mistake in several second coiled reverse osmosis membrane elements
Filter, filtered production water are produced water branch pipe convergence inflow production water and are responsible for, and filtered concentrated water is converged through recycling outlet.
At least one above-mentioned technical solution that this specification embodiment uses can reach following the utility model has the advantages that this system is set
It sets multistage to be arranged side by side the first rolling membranous system and the second rolling membranous system, using coiled reverse osmosis membrane element as core processing
Component, every section, using the cross-flow circulating filtration for being greater than system flow of inlet water, improves rolling membranous system contamination resistance, compared to
Disc tube reverse osmosis (dt-ro) system, this system occupied area is smaller, and overall cost is low.Using the control method of the system, can be improved
Fresh-water recovery rate.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand this specification, forms part of this specification,
The illustrative embodiments and their description of this specification do not constitute the improper restriction to this specification for explaining this specification.
In the accompanying drawings:
Fig. 1 is a kind of multi-section circulation formula rolled film super-pressure counter-infiltration system that this specification embodiment provides;
The structural schematic diagram of first rolled membrane module in the first rolling membranous system that Fig. 2 provides for this specification embodiment;
The structural schematic diagram of second rolled membrane module in the second rolling membranous system that Fig. 3 provides for this specification embodiment.
The meaning of appended drawing reference: 1- filter, 2- water inlet high-pressure pump, 3- concentrated water recycle booster pump, the first rolled film of 41-
System, the first rolled membrane module of 411-, the first coiled reverse osmosis membrane element of 4111-, 42- the second rolling membranous system, 421- second
Rolled membrane module, the second coiled reverse osmosis membrane element of 4211-, 5- Serve Motor Control valve, 6- water inlet supervisor, 7- concentrated water main pipe,
8- circulation water inlet pipe, 9- recycling outlet, 10- produce water branch pipe, and 11- produces water supervisor, 12- water inlet electric conductivity detector, 13- water inlet
Flow sensor, 14- concentrated water flow sensor.
Specific embodiment
To keep the purposes, technical schemes and advantages of this specification clearer, it is embodied below in conjunction with this specification
This specification technical solution is clearly and completely described in example and corresponding attached drawing.Obviously, described embodiment is only this
Specification a part of the embodiment, instead of all the embodiments.The embodiment of base in this manual, ordinary skill people
Member's every other embodiment obtained without making creative work, belongs to the range of this specification protection.
Below in conjunction with attached drawing, the technical solution that each embodiment of this specification provides is described in detail.
Fig. 1 is a kind of multi-section circulation formula rolled film super-pressure counter-infiltration system that this specification embodiment provides, specific to wrap
Include: filter 1, Serve Motor Control valve 5, water inlet supervisor 6, concentrated water main pipe 7, cross-flow filtration system, produces water at water inlet high-pressure pump 2
Supervisor 11, specifically, cartridge filter can be used in filter 1.Wherein filter 1 is set on water inlet supervisor 6, high-pressure pump 2 of intaking
Side be connected with into water supervisor 6, influent waste water to be treated by water inlet supervisor 6 enter this system in.Water inlet high-pressure pump 2
The other side be connected with concentrated water main pipe 7, water inlet is discharged after handling and being flowed by concentrated water main pipe 7 after entering this system, described
Side far from water inlet high-pressure pump 2 in concentrated water main pipe 7 is equipped with Serve Motor Control valve 5.Wherein water inlet high-pressure pump 2 and servo electricity
Concentrated water main pipe 7 between machine control valve 5 is communicated with cross-flow filtration system, the other side of the cross-flow filtration system also with produce water master
Pipe 11 is connected to;By cross-flow filtration system treated produce water by produce water supervisor 11 discharge.The cross-flow filtration system includes
Several be arranged side by side the first rolling membranous system 41 and second rolling membranous systems 42, several described the first rolling membranous systems 41 are equal
It is placed in the front side of the second rolling membranous system 42.Wherein, the pressure limit of water inlet high-pressure pump 2 is 60bar~120bar.
Optionally, the first rolling membranous system 41 includes sequentially connected circulation water inlet pipe 8, the first rolled membrane module
411, recycling outlet 9, the first rolling membranous system 41 further include concentrated water recycling booster pump 3, produce water branch pipe 10, and wherein concentrated water is again
The setting of circularly-supercharged pump 3 can be realized the cross-flow circulating filtration greater than system flow of inlet water.Wherein circulation water inlet pipe 8 is far from
One end of one rolled membrane module 411 is connected to concentrated water main pipe 7, the one end of recycling outlet 9 far from the first rolled membrane module 411
It is connected to concentrated water main pipe 7;Concentrated water recycles booster pump 3 and is set in circulation water inlet pipe 8, produces one end and the first rolling of water branch pipe 10
Membrane module 411 connects, and the other end for producing water branch pipe 10 is connected to water supervisor 11 is produced.Wherein, the pressure of concentrated water recycling booster pump 3
Range is 5bar~7bar.
Optionally, the second rolling membranous system 42 includes sequentially connected circulation water inlet pipe 8, the second rolled membrane module
421, recycling outlet 9, the second rolling membranous system 42 further include concentrated water recycling booster pump 3, produce water branch pipe 10, wherein recycle into
Water pipe 8 is connected to far from one end of the second rolled membrane module 421 with concentrated water main pipe 7, and recycling outlet 9 is far from the second rolled membrane module
421 one end is also connected to concentrated water main pipe 7;Concentrated water recycles booster pump 3 and is set in circulation water inlet pipe 8, produces the one of water branch pipe 10
End is connect with the second rolled membrane module 421, and the other end for producing water branch pipe 10 is connected to water supervisor 11 is produced.Wherein, concentrated water recycles
The pressure limit of booster pump 3 is 5bar~7bar.
Optionally, the structure of the first rolled membrane module in the first rolling membranous system that Fig. 2 provides for this specification embodiment
Schematic diagram.First rolled membrane module 411 includes the first coiled reverse osmosis membrane element 4111 that several are connected in series, series connection
The water inlet of first first coiled reverse osmosis membrane element 4111 of connection is connect with circulation water inlet pipe 8, series connection
The concentrated water discharge mouth of the last one first coiled reverse osmosis membrane element 4111 is connect with recycling outlet 9, series connection
The production mouth of a river of each first coiled reverse osmosis membrane element 4111 is connect with production water branch pipe 10.This system uses rolling reverse osmosis
Membrane element realizes super-pressure osmosis filtration as key process unit, and this system highest operating pressure is reached
To 120bar.
Optionally, the structure of the second rolled membrane module in the second rolling membranous system that Fig. 3 provides for this specification embodiment
Schematic diagram.Second rolled membrane module 421 includes the second coiled reverse osmosis membrane element 4211 that several are connected in series, series connection
The water inlet of first second coiled reverse osmosis membrane element 4211 of connection is connect with circulation water inlet pipe 8, series connection
The concentrated water discharge mouth of the last one second coiled reverse osmosis membrane element 4211 is connect with recycling outlet 9, series connection
The production mouth of a river of each second coiled reverse osmosis membrane element 4211 is connect with production water branch pipe 10.This system uses rolling reverse osmosis
Membrane element realizes super-pressure osmosis filtration as key process unit, and this system highest operating pressure is reached
To 120bar.
Optionally, multi-section circulation formula rolled film super-pressure counter-infiltration system further includes control system, water inlet conductivity detection
Instrument 12, flow of inlet water sensor 13, concentrated water flow sensor 14, specifically, control system can be PLC system.The water inlet
Electric conductivity detector 12, flow of inlet water sensor 13, concentrated water flow sensor 14, water inlet high-pressure pump 2, concentrated water recycle booster pump
3, Serve Motor Control valve 5 is electrically connected at control system.Wherein water inlet electric conductivity detector 12, flow of inlet water sensor 13
On water inlet supervisor 6, concentrated water flow sensor 14 is in the concentrated water main pipe 7 after Serve Motor Control valve 5.Specifically, into
Water conductivity detector 12 is used to measure the conductivity of water inlet, and flow of inlet water sensor 13 is used to measure the flow of water inlet, concentrated water
Flow sensor 14 is used to measure the flow of concentrated water, and the conductivity measured and flow information are sent to control system, controls
After system handles information analysis, control signal feed high-pressure water pump 2 is issued, concentrated water recycles booster pump 3, Serve Motor Control
Valve 5, and then control the aperture of water inlet high-pressure pump 2, concentrated water recycling booster pump 3, Serve Motor Control valve 5.Wherein, servo motor
The aperture of control valve 5 is according to flow of inlet water, concentrated water runoff investigation, it is therefore an objective to adjust the whole fresh-water recovery rate of this system.Fresh water
The rate of recovery can be inputted a definite value by staff on host computer, and such as 70%, at this moment Serve Motor Control valve 5 will be adjusted automatically
Save corresponding aperture.
Further, in practical application, the multi-section circulation formula rolled film super-pressure counter-infiltration system further include into
Water PH detector, inflow temperature sensor, intake pressure transmitter, concentrated water electric conductivity detector, concentrated water PH detector, concentrated water temperature
Sensor, concentrated water pressure transmitter are spent, water flow sensor is produced, produces water conductivity detector, producing hydraulic pressure power transmitter, it is above-mentioned
Detector, sensor, transmitter etc. are electrically connected at control system.Wherein, intake PH detector, inflow temperature sensor,
Intake pressure transmitter is set on water inlet supervisor 6, concentrated water electric conductivity detector, concentrated water PH detector, concentrated water temperature sensor, dense
Hydraulic pressure power transmitter produces water flow sensor, produces water conductivity detection in the concentrated water main pipe 7 after Serve Motor Control valve 5
Instrument produces hydraulic pressure power transmitter on production water supervisor 11.
Optionally, the quantity of the first rolling membranous system 41 is two or three, the second rolling membranous system 42
Quantity is one;The quantity of first coiled reverse osmosis membrane element 4111 is five or six.Specifically, each first rolling
The quantity of the first coiled reverse osmosis membrane element 4111 contained in membranous system 41 is identical, is five or six, wherein rolling reverse osmosis
The pressure rating of membrane element is 90bar or is 120bar, so that the ensemble average of the first rolling membranous system 41 produces water and leads to
Amount≤16L/m2/h。
Optionally, the quantity of the first rolling membranous system 41 is two or three, the second rolling membranous system 42
Quantity is one;The quantity of second coiled reverse osmosis membrane element 4211 is five or six.Specifically, each second rolling
The quantity of the second coiled reverse osmosis membrane element 4211 contained in membranous system 42 is identical, is five or six, wherein rolling reverse osmosis
The pressure rating of membrane element is 90bar or is 120bar, so that the average permeant flux of the second rolling membranous system 42≤
5L/m2/h。
To sum up, this system setting multistage is arranged side by side the first rolling membranous system and the second rolling membranous system, anti-using rolling
For permeable membrane device as key process unit, every section, using the cross-flow circulating filtration for being greater than system flow of inlet water, improves rolling
Membranous system contamination resistance, compared to disc tube reverse osmosis (dt-ro) system, this system occupied area is smaller, and overall cost is low.Using this
The control method of system, can be improved fresh-water recovery rate.Specifically, compared to disc tube reverse osmosis (dt-ro) system, the reverse osmosis system of rolling
The advantage of system is that big (structure type of disc tube reverse osmosis (dt-ro) membrane component is to assemble one by one to the membrane area of single branch membrane component
, structure type determines that disc tube reverse osmosis (dt-ro) membrane component list branch membrane area is not too large), therefore handling identical water
When, rolling counter-infiltration system fewer than the number with disc tube reverse osmosis (dt-ro) membrane component with the number of coiled reverse osmosis membrane element
Group frame is much smaller than disc tube reverse osmosis (dt-ro) system group frame, and occupied area is small, cost of saving the area;In addition identical water is being handled
When amount, coiled reverse osmosis membrane system cost is also more much lower than disc tube reverse osmosis (dt-ro) system.
A kind of control method for multi-section circulation formula rolled film super-pressure counter-infiltration system that this specification provides, use are aforementioned
Multi-section circulation formula rolled film super-pressure counter-infiltration system, including following procedure:
The first rolling membranous system 41 that several are arranged side by side is named as one section of first volume according to sequence from front to back
Formula membranous system, two section of first rolling membranous system, and so on;
Firstly, control system, which closes concentrated water, recycles booster pump 3, water inlet high-pressure pump 2 and Serve Motor Control valve 5 are opened;
Influent waste water first enters filter 1 through water inlet supervisor 6 and removes impurity, is pressurized subsequently into water inlet high-pressure pump 2, pressurization
Water inlet afterwards flows into concentrated water main pipe 7, then adjusts concentrated water displacement heel row through Serve Motor Control valve 5 and goes out;
After high-pressure pump 2 of intaking opens 60s~100s, the concentrated water that control system is opened in one section of first rolling membranous system is followed again
Ring booster pump 3, one section of first rolling membranous system forms cross-flow circulation at this time;
About the cross-flow circulation of one section of first rolling membranous system, specifically include: through pressurized a part of high-pressure pump 2 of intaking
Water inlet flows into the circulation water inlet pipe 8 of one section of first rolling membranous system, enters the after concentrated water recycling booster pump 3 continues pressurization
It is filtered in one rolled membrane module 411, filtered production water is produced water branch pipe 10 and is flowed into 11 discharge of production water supervisor, filtered dense
Water is flowed into concentrated water main pipe 7 through recycling outlet 9;For filtered concentrated water, a part flows backward along concentrated water main pipe 7
Dynamic, another part moves in circles flowing in one section of first rolling membranous system;
After concentrated water recycling booster pump 3 in one section of first rolling membranous system opens 60s~100s, control system opens two
3 in the first rolling membranous system of section, two section of first rolling membranous system forms cross-flow circulation at this time, the process of cross-flow circulation with one section
First rolling membranous system is identical;
The cross-flow cyclic process of remaining several sections of the first rolling membranous system 41 and so on;
Then, control system opens the concentrated water in the second rolling membranous system 42 and recycles booster pump 3, at this time the second rolled film
System 42 forms cross-flow circulation, and the cross-flow cyclic process of the second rolling membranous system 42 specifically includes: several be arranged side by side the
After concentrated water after one rolling membranous system, 41 cross-flow circulation is summarized by concentrated water main pipe 7, a part of concentrated water enters the second rolling membrane system
In the circulation water inlet pipe 8 of system 42, enters in volume Two formula membrane module 421 after concentrated water recycling booster pump 3 continues pressurization and filters,
Filtered production water is produced water branch pipe 10 and is flowed into 11 discharge of production water supervisor, and filtered concentrated water is flowed into through recycling outlet 9
In concentrated water main pipe 7;For filtered concentrated water, a part of flowing that moves in circles in the second rolling membranous system 42, another part
It flows along concentrated water main pipe 7, is discharged after Serve Motor Control valve 5 backward.
Optionally, control method further includes flowing into one section of first rolling through the pressurized a part water inlet of water inlet high-pressure pump 2
In the circulation water inlet pipe 8 of membranous system, enter mistake in first volume formula membrane module 411 after concentrated water recycling booster pump 3 continues pressurization
When filter, since the first rolled membrane module 411 includes the first coiled reverse osmosis membrane element 4111 that several are arranged in juxtaposition, into
The flows such as water respectively enter to be filtered in several first coiled reverse osmosis membrane elements 4111, and filtered production water is through producing water branch pipe 10
Convergence, which flows into, produces water supervisor 11, and filtered concentrated water is converged through recycling outlet 9.And so on, two section of first rolling membranous system
And subsequent first rolling membranous system is same filter type.
Optionally, control method further includes, dense after several 41 cross-flows of the first rolling membranous system being arranged side by side circulation
After water is summarized by concentrated water main pipe 7, a part of concentrated water enters in the circulation water inlet pipe 8 of the second rolling membranous system 42, again through concentrated water
Circularly-supercharged pump 3 enters after continuing pressurization in volume Two formula membrane module 421 when filtering, since the second rolled membrane module 421 includes
Several the second coiled reverse osmosis membrane elements 4211 being arranged in juxtaposition, therefore the flows such as water inlet respectively enter several the second rollings
It is filtered in reverse-osmosis membrane element 4211, filtered production water is produced the convergence of water branch pipe 10 and flows into production water supervisor 11, filtered dense
Water is converged through recycling outlet 9.
Certainly, multi-section circulation formula rolled film super-pressure counter-infiltration system and corresponding controlling party are realized using other modes
Method, this specification embodiment to this with no restriction.
The foregoing is merely the embodiments of this specification, are not limited to this specification.For art technology
For personnel, this specification can have various modifications and variations.It is all made any within the spirit and principle of this specification
Modification, equivalent replacement, improvement etc., should be included within the scope of the claims of this specification.
Claims (9)
1. a kind of multi-section circulation formula rolled film super-pressure counter-infiltration system characterized by comprising filter (1), water inlet high pressure
It pumps (2), Serve Motor Control valve (5), water inlet supervisor (6), concentrated water main pipe (7), cross-flow filtration system, produce water supervisor (11),
Middle filter (1) is set on water inlet supervisor (6), and the side of water inlet high-pressure pump (2) is connected with into water and is responsible for (6), high-pressure pump of intaking
(2) side that the other side is connected with separate water inlet high-pressure pump (2) on concentrated water main pipe (7) the concentrated water main pipe (7), which is equipped with, to be watched
Take motor control valve (5);
The concentrated water main pipe (7) wherein intake high-pressure pump (2) between Serve Motor Control valve (5) is communicated with cross-flow filtration system,
The other side of the cross-flow filtration system is also connected to production water supervisor (11);
The cross-flow filtration system includes several be arranged side by side the first rolling membranous system (41) and second rolling membranous systems (42),
Several described the first rolling membranous systems (41) are placed in the front side of the second rolling membranous system (42).
2. multi-section circulation formula rolled film super-pressure counter-infiltration system as described in claim 1, which is characterized in that the first volume
Formula membranous system (41) includes sequentially connected circulation water inlet pipe (8), the first rolled membrane module (411), recycling outlet (9), and
One rolling membranous system (41) further includes concentrated water recycling booster pump (3), produces water branch pipe (10), and wherein circulation water inlet pipe (8) is separate
One end of first rolled membrane module (411) is connected to concentrated water main pipe (7), and recycling outlet (9) is far from the first rolled membrane module
(411) one end is also connected to concentrated water main pipe (7);Concentrated water recycles booster pump (3) and is set on circulation water inlet pipe (8), produces water branch
One end of pipe (10) is connect with the first rolled membrane module (411), and the other end for producing water branch pipe (10) is connected to water supervisor (11) is produced.
3. multi-section circulation formula rolled film super-pressure counter-infiltration system as described in claim 1, which is characterized in that the volume Two
Formula membranous system (42) includes sequentially connected circulation water inlet pipe (8), the second rolled membrane module (421), recycling outlet (9), and
Two rolling membranous systems (42) further include concentrated water recycling booster pump (3), produce water branch pipe (10), and wherein circulation water inlet pipe (8) is separate
One end of second rolled membrane module (421) is connected to concentrated water main pipe (7), and recycling outlet (9) is far from the second rolled membrane module
(421) one end is also connected to concentrated water main pipe (7);Concentrated water recycles booster pump (3) and is set on circulation water inlet pipe (8), produces water branch
One end of pipe (10) is connect with the second rolled membrane module (421), and the other end for producing water branch pipe (10) is connected to water supervisor (11) is produced.
4. multi-section circulation formula rolled film super-pressure counter-infiltration system as claimed in claim 2, which is characterized in that the first volume
Formula membrane module (411) include several be connected in series the first coiled reverse osmosis membrane element (4111), first of series connection
The water inlet of first coiled reverse osmosis membrane element (4111) is connect with circulation water inlet pipe (8), series connection the last one
The concentrated water discharge mouth of first coiled reverse osmosis membrane element (4111) is connect with recycling outlet (9), each of series connection
The production mouth of a river of first coiled reverse osmosis membrane element (4111) is connect with production water branch pipe (10).
5. multi-section circulation formula rolled film super-pressure counter-infiltration system as claimed in claim 3, which is characterized in that the volume Two
Formula membrane module (421) include several be connected in series the second coiled reverse osmosis membrane element (4211), first of series connection
The water inlet of second coiled reverse osmosis membrane element (4211) is connect with circulation water inlet pipe (8), series connection the last one
The concentrated water discharge mouth of second coiled reverse osmosis membrane element (4211) is connect with recycling outlet (9), each of series connection
The production mouth of a river of second coiled reverse osmosis membrane element (4211) is connect with production water branch pipe (10).
6. multi-section circulation formula rolled film super-pressure counter-infiltration system as claimed in claim 2 or claim 3, which is characterized in that further include
Control system, water inlet electric conductivity detector (12), flow of inlet water sensor (13), concentrated water flow sensor (14), the water inlet
Electric conductivity detector (12), flow of inlet water sensor (13), concentrated water flow sensor (14), water inlet high-pressure pump (2), concentrated water are followed again
Ring booster pump (3), Serve Motor Control valve (5) are electrically connected at control system;
It wherein intakes electric conductivity detector (12), flow of inlet water sensor (13) is set on water inlet supervisor (6), concentrated water flow sensing
Device (14) is in the concentrated water main pipe (7) after Serve Motor Control valve (5).
7. multi-section circulation formula rolled film super-pressure counter-infiltration system as claimed in claim 4, which is characterized in that the first volume
The quantity of formula membranous system (41) is two or three, and the quantity of the second rolling membranous system (42) is one;The first volume
The quantity of formula reverse-osmosis membrane element (4111) is five or six.
8. multi-section circulation formula rolled film super-pressure counter-infiltration system as claimed in claim 5, which is characterized in that the first volume
The quantity of formula membranous system (41) is two or three, and the quantity of the second rolling membranous system (42) is one;The volume Two
The quantity of formula reverse-osmosis membrane element (4211) is five or six.
9. a kind of control method of multi-section circulation formula rolled film super-pressure counter-infiltration system, any described using claim 1-8
Multi-section circulation formula rolled film super-pressure counter-infiltration system, which is characterized in that including following procedure:
The first rolling membranous system (41) that several are arranged side by side is named as one section of first rolling according to sequence from front to back
Membranous system, two section of first rolling membranous system, and so on;
Firstly, control system closes concentrated water recycling booster pump (3), water inlet high-pressure pump (2) and Serve Motor Control valve are opened
(5);
Influent waste water first enters filter (1) through water inlet supervisor (6) and removes impurity, subsequently into water inlet high-pressure pump (2) pressurization, increases
Water inlet after pressure flows into concentrated water main pipe (7), then adjusts concentrated water displacement heel row through Serve Motor Control valve (5) and goes out;
It intakes after high-pressure pump (2) unlatching 60s~100s, control system opens the concentrated water recycling in one section of first rolling membranous system
Booster pump (3), one section of first rolling membranous system forms cross-flow circulation at this time;
About the cross-flow circulation of one section of first rolling membranous system, specifically include: through the pressurized a part of water inlet high-pressure pump (2) into
Water flows into the circulation water inlet pipe (8) of one section of first rolling membranous system, enters after concentrated water recycling booster pump (3) continues pressurization
Filtering in first rolled membrane module (411), filtered production water are flowed into production water supervisor (11) through production water branch pipe (10) and are discharged, mistake
Concentrated water after filter is flowed into concentrated water main pipe (7) through recycling outlet (9);For filtered concentrated water, a part is along concentrated water
Main pipe (7) flows backward, and another part moves in circles flowing in one section of first rolling membranous system;
After 60s~100s is opened in concentrated water recycling booster pump (3) in one section of first rolling membranous system, control system opens two sections
(3) in first rolling membranous system, two section of first rolling membranous system forms cross-flow circulation at this time, the process of cross-flow circulation with one section
First rolling membranous system is identical;
The cross-flow cyclic process of remaining several sections of the first rolling membranous system (41) and so on;
Then, control system opens the concentrated water in the second rolling membranous system (42) and recycles booster pump (3), at this time the second rolled film
System (42) forms cross-flow circulation, and the cross-flow cyclic process of the second rolling membranous system (42) specifically includes: several are arranged side by side
The first rolling membranous system (41) cross-flow circulation after concentrated water summarized by concentrated water main pipe (7) after, a part of concentrated water enters second
In the circulation water inlet pipe (8) of rolling membranous system (42), enter volume Two formula film after concentrated water recycling booster pump (3) continues pressurization
Filtering in component (421), filtered production water are flowed into production water supervisor (11) through production water branch pipe (10) and are discharged, filtered concentrated water
It is flowed into concentrated water main pipe (7) through recycling outlet (9);For filtered concentrated water, a part is in the second rolling membranous system
(42) move in circles flowing in, and another part flows backward along concentrated water main pipe (7), is discharged after Serve Motor Control valve (5).
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006089460A1 (en) * | 2005-02-28 | 2006-08-31 | Zhejiang Omex Environmental Enginering Ltd. | An electric desalination method and a spiral winding electric desalination device |
CN201324601Y (en) * | 2008-10-30 | 2009-10-14 | 浙江东洋环境工程有限公司 | Thickness-reduction scribing wastewater purifying and recycling device |
CN102452704A (en) * | 2010-11-01 | 2012-05-16 | 中国石油化工股份有限公司 | Anti-pollution reverse osmosis device and use method thereof |
CN206897183U (en) * | 2017-07-17 | 2018-01-19 | 烟台金正环保科技有限公司 | A kind of multisection type disc tube reverse osmosis (dt-ro) system |
CN107715694A (en) * | 2017-11-02 | 2018-02-23 | 厦门嘉戎技术股份有限公司 | A kind of two-part reverse osmosis membrane concentration combination unit and technique |
CN210795979U (en) * | 2019-09-27 | 2020-06-19 | 华电水务工程有限公司 | Multistage circulating formula membrane superhigh pressure reverse osmosis system |
-
2019
- 2019-09-27 CN CN201910925050.3A patent/CN110510767A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006089460A1 (en) * | 2005-02-28 | 2006-08-31 | Zhejiang Omex Environmental Enginering Ltd. | An electric desalination method and a spiral winding electric desalination device |
CN201324601Y (en) * | 2008-10-30 | 2009-10-14 | 浙江东洋环境工程有限公司 | Thickness-reduction scribing wastewater purifying and recycling device |
CN102452704A (en) * | 2010-11-01 | 2012-05-16 | 中国石油化工股份有限公司 | Anti-pollution reverse osmosis device and use method thereof |
CN206897183U (en) * | 2017-07-17 | 2018-01-19 | 烟台金正环保科技有限公司 | A kind of multisection type disc tube reverse osmosis (dt-ro) system |
CN107715694A (en) * | 2017-11-02 | 2018-02-23 | 厦门嘉戎技术股份有限公司 | A kind of two-part reverse osmosis membrane concentration combination unit and technique |
CN210795979U (en) * | 2019-09-27 | 2020-06-19 | 华电水务工程有限公司 | Multistage circulating formula membrane superhigh pressure reverse osmosis system |
Non-Patent Citations (1)
Title |
---|
王宜明: "《有色冶金化工过程及设备》", 冶金工业出版社, pages: 272 * |
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