CN209221885U - A kind of organic tubular type membranous system for refined brine technique - Google Patents
A kind of organic tubular type membranous system for refined brine technique Download PDFInfo
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- CN209221885U CN209221885U CN201821771586.1U CN201821771586U CN209221885U CN 209221885 U CN209221885 U CN 209221885U CN 201821771586 U CN201821771586 U CN 201821771586U CN 209221885 U CN209221885 U CN 209221885U
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Abstract
The utility model relates to a kind of organic tubular type membranous system for refined brine technique, including at least one organic tubular type membrane stack, it connect to form the circulatory system with circulating pump by circulation pipe between the membrane stack import of organic tubular type membrane stack and membrane stack outlet；Organic tubular type membrane stack is connected by the organic tubular membrane component of at least two groups forms an entirety.The utility model is technologically advanced, and technical process is simple, and refined salt water quality is high, and organic tubular membrane level of integrated system is high, occupied area is small, contamination resistance is strong.This organic tubular type membranous system can filter out the impurity such as suspended matter in crude salt, colloid, precipitating, and integrated level is high, occupied area is small.In addition, the filtration system formed using the membrane tube in special aperture and channel, along with cross-flow filtration mode gather pollutant can not in film surface, so that organic tubular membrane has stronger contamination resistance, flux decline speed is slow, and the chemical cleaning period is long.
Description
Technical field
The utility model belongs to salt refining technical field, and in particular to a kind of organic tubular type for refined brine technique
Membranous system.
Background technique
Currently, domestic chlor-alkali industry mainly uses ionic membrane method alkaline, using saturated brine as raw material, electrolysis generates hydroxide
The products such as sodium, if containing the impurity such as a large amount of calcium, magnesium in salt water, calcium and magnesium ion can in electrolytic process with the OH on anode-Instead
Insoluble matter should be generated to be deposited on ionic membrane, seriously affect service life of ion-exchange membrane, therefore, salt refining is produced in ionic membrane method alkaline
It is particularly important in the process.
Traditional primary refined brine work of the country based on " barrel type reactor+dongle settling tank+sand filter " process route
Skill is eliminated substantially, currently, domestic chlor-alkali enterprises are mainly used to there is following two membrane filtration process: gore film, HVM film is generations
The organic microfiltration membrane process and ceramic membrane crossflow filtration technique of table.
The relatively early membrane process for chlorine industry salt refining is using gore film, HVM film as organic microfiltration membranes work of representative
Two kinds of skill.Its process route is crude brine first to preceding reactive tank, after metered sodium hydroxide and barium chloride, into medial launder,
It is then pumped into pressure air-dissolving tank, air flotation slot is entered after depressurizing, clear liquid goes out from air flotation slot overflow, and metered sodium carbonate is laggard
Enter rear reactive tank, membrane filter is sufficiently sent into after reaction and filters obtained primary brine.Above-mentioned technique is filtered using one end, film surface
Easily accumulation filter cake, flux decline is fast, and process fouling membrane is serious；The method that technique is separated using calcium carbonate and magnesium hydroxide substep,
Pre-treatment step is complicated, leads to that equipment one-time investment is big, takes up a large area；In addition, membrane filter needs to be mounted on three layers of factory
Room requires height to civil engineering, and construction investment is big；The filter membrane of use exist filter membrane combined strength bination it is low, easily by brine corrosion breakage etc.
Problem.
Ceramic membrane crossflow filtration technique technique is as follows: the purification such as sodium hydroxide, sodium carbonate and barium chloride being added into salt water
Agent reaction generates magnesium hydroxide, calcium carbonate and barium sulfate solid matter, adds solidifying auxiliary agent and is pre-processed with oxidant, is passed through
Absorption removes magnesium hydroxide colloidal and its fraction solids particle with co-precipitation, is carried out with ceramic membrane cross-flow filter to salt water
Filtering, the penetrating fluid of permeation ceramic membrane enter ion exchange resin, obtain refined brine after processing, not being rich in through film
The salt water of impurity returns to pretreatment.The technique uses crossflow filtration technique, effectively reduces fouling membrane, but exist in practical application
Following problems: (1) ceramic membrane is more crisp, easy fracture, and repair process need to be shut down by going wrong, and scene generally requires standby a set of pottery
Porcelain membrane module part；(2) ceramic membrane channels are relatively narrow, are easy to happen membrane channels blocking；(3) the ceramic membrane cleaning frequency is short, just needs within 1 week clear
It washes once, cleaning agent concentration is high, needs 15% salt acid soak；(4) ceramic membrane operation energy consumption is big, and cost of investment is high.
Utility model content
The purpose of this utility model is to provide a kind of organic tubular type membranous systems for refined brine technique, can remove desalination
Qualified refined brine is made in the impurity such as suspended matter, colloid, precipitating in water.
Specific technical solution is as follows:
A kind of organic tubular type membranous system for refined brine technique, including at least one organic tubular type membrane stack, it is described to have
It connect to form the circulatory system with circulating pump by circulation pipe between the membrane stack import of machine tubular type membrane stack and membrane stack outlet；It is described organic
Tubular type membrane stack is connected by the organic tubular membrane component of at least two groups and forms an entirety.
Organic tubular membrane system optimal is made of 2-10 organic tubular type membrane stack parallel connections.
Further scheme, adjacent organic tubular membrane component arrange that one end is connected by connecting tube in vertical equity.
Further scheme, organic tubular type membranous system further includes cleaning system, and the cleaning system includes cleaning pump, clear
Washing lotion case, the output end of the cleaning pump passes through recoil liquid pipe respectively, membrane stack circulation pipe is connect with organic tubular type membrane stack；It is described anti-
Wash-out valve is equipped on fliud flushing pipe and membrane stack circulation pipe.
The open and close of two purge valves between control recoil liquid pipe and cleaning pump and organic tubular type membrane stack, from recoil mouth
The middle backwash liquid that cleaned pump importing is added cleans each membrane tube in organic tubular membrane component, will be attached to film surface
Impurity falls off, to effectively mitigate fouling membrane, restores its membrane flux, backwash liquid uses filtered fluid, finally from concentrated solution outlet
Outflow, realization recycle.Also cleaning agent (0.5% hydrochloric acid of concentration) can be imported to each organic pipe from membrane stack entrance by cleaning pump
Membrane tube surface impurity in formula membrane module is cleaned.
Further scheme, organic tubular membrane component include the membrane tube of several horizontal layouts inside housings, institute
The both ends for stating membrane tube are installed with the installation lid being connected and sealed with shell, make to form one between the outer wall of membrane tube and installation lid
A seal cavity；The both ends open of the membrane tube is in communication with the outside respectively, offers on the shell and is connected to seal cavity
Filtrate outlet.
Membrane tube refers to that the membrane tube of organic tubular membrane, structure are existing in the utility model.
Further scheme, offers the recoil mouth being connected to seal cavity on the shell, the filtrate outlet and anti-
It blurts out on the diagonal line of organic tubular membrane component；The recoil mouth is connect with the output end of the recoil liquid pipe, described
The output end of membrane stack circulation pipe and membrane stack import or membrane stack outlet connect.
Preferably, organic tubular type membrane stack is connected in series by the organic tubular membrane component of 3-8 group, wherein all filterings
Liquid outlet connect with filtering liquid pipe and exports organic tubular type membranous system, all recoil mouths by the recoil liquid pipe with clearly
Wash the output end connection of pump.
Further scheme, the outer diameter of the shell is 6-10 inches, length 3m-4m；The membrane tube is tubular structure,
Inner passage diameter is 5mm-8mm；The membrane material of the membrane tube be Kynoar, polyether sulfone, polysulfones or polyacrylonitrile, it is described
The membrane aperture of membrane tube is 10-50nm.
Further scheme is connected separately with booster pump and concentration liquid pipe on the circulation pipe, positioned at following for circulating pump both ends
The first switching valve, the second switching valve, third switching valve and the 4th switching valve are separately installed on endless tube；The circulating pump, first
Switching valve, organic tubular type membrane stack, the second switching valve form a recycled back, the circulating pump, third switching valve, organic tubular type
Membrane stack, the 4th switching valve form a forward circulation.
In order to preferably play the filter efficiency of organic tubular type membranous system, increase by 4 switching valves in systems, realizes organic
The input and output material automatic reverse function of organic tubular type membrane stack in tubular type membranous system, then when the first switching valve, the second switching valve opening, and
Third switching valve, the 4th switching valve close when, at this time stoste from be located at organic tubular type membrane stack lower part membrane module flow into, successively to
On flow through each organic tubular membrane component, the concentrate being retained down is flowed out from the membrane module for being located at organic tubular type membrane stack top,
Filtered fluid enters filtering liquid pipe from the filtrate outlet of each organic tubular membrane component and is recycled after filtering.Reach setting time
Afterwards, when the first switching valve, the second switching valve are automatically closed, third switching valve, the 4th switching valve are automatically opened, and salt water is from position at this time
Membrane module in organic tubular type membrane stack top flows into, downwards followed by each organic tubular membrane component, the concentration being retained down
Liquid is flowed out from the membrane module for being located at organic tubular type membrane stack lower part, repeatedly.Filtered fluid, concentrate are received respectively after filtering
Collection.I.e. by the input and output material automatic reverse function of organic tubular type membrane stack, realize to the membrane tube in each organic tubular membrane component
Surface carries out commutation and washes away, and so as to remove the impurity for being attached to membrane tube surface, effectively alleviates the pollution of membrane tube；
While pressure height, the load weight of the organic tubular membrane component of prime in organic tubular type membrane stack are also solved, and the organic tubular membrane of rear class
The deficiency that component pressure is low, load is light integrally extends the service life of entire organic tubular type membrane stack.
The organic tubular type membranous system of the utility model is applied in salt refining, wherein the stoste entrance of organic tubular type membranous system
End is connect with the discharge port of the reaction container of refined brine, and the filtrate outlet of organic tubular type membranous system is connect with refined salt bucket, is had
The concentrated solution outlet of machine tubular type membranous system is connect with filter press, and the pressing filtering liquid discharge port of the filter press is connect with reaction container；Institute
The feed end for stating reaction container is connect by baffling slot with crude salt bucket.
The channel diameter of membrane tube in organic tubular membrane of the present apparatus is 5mm-8mm, makes it have broader membrane channels,
In use, situations such as membrane channels will not block, ensures filter quality.
It is tubular structure made of 10-50nm membrane material winding, the membrane tube aperture point that membrane tube, which is as membrane aperture, in the present apparatus
Cloth is narrow, filtering accuracy, so that suspended matter, colloid, large granular impurity are not easily accessed in fenestra, belongs to truly super
Filter, therefore, filtered brine quality is higher, quality is more stable.
The filtration system that the utility model is formed using the membrane tube in special aperture and channel, along with cross-flow filtration mode makes
Obtaining pollutant can not gather in film surface, so that organic tubular membrane has stronger contamination resistance, flux decline speed is slow.Cause
This, the chemical cleaning period of organic tubular membrane of the utility model is long, and the chemical cleaning period is greater than 1 month；In addition, due to pollution
Object is not easy to gather in fenestra, and along with thicknesses of layers only has 20 μm, the amount of pollutant in membrane tube is less, and therefore, use is low
The salt acid cleaner (concentration 0.5%) of concentration can be such that film properties restore.
Organic tubular type membranous system of the utility model can be used for filtering the impurity such as suspended matter in crude salt, colloid, precipitating.Separately
Outside, this filtration system integrated level is high, occupied area is small.
Organic tubular membrane is made of several membrane tubes, and the quantity of membrane tube is set according to the internal diameter and actual needs of shell
It sets.The both ends sealing of membrane tube is integral, forms cavity inside housings；In addition, membrane tube has certain flexibility, be not in
Leakage, membrane tube breakage problem, it is ensured that production continuous and steady operation.
Detailed description of the invention
Fig. 1 is the utility model principle schematic diagram,
Fig. 2 is the structural schematic diagram of organic tubular membrane component in the utility model,
Fig. 3 is the schematic cross-section of Fig. 2,
Fig. 4 is the structural schematic diagram of organic tubular type membrane stack in the utility model,
Fig. 5 is the structural schematic diagram of organic tubular membrane refined brine device in the utility model.
In figure: the organic tubular membrane component of 10-, 11- shell, 12- membrane tube, 13- recoil mouth, 14- filtrate outlet；20- has
Machine tubular type membrane stack, the outlet of 21- membrane stack, 22- membrane stack entrance, 23- connecting tube；31- booster pump, 32- circulating pump, 33- cleaning pump；
40- circulation pipe, 50- concentration liquid pipe, 60- filtering liquid pipe, the first reversal valve of 71-, the second reversal valve of 72-, 73- third reversal valve,
The 4th reversal valve of 74-, 75- valve；80- cleaning fluid tank；The organic tubular type membranous system of 90-, 101- crude salt bucket, 102- baffling slot,
103- reaction container, 104- filter press, 105- refined salt bucket.
Specific embodiment
For a further understanding of the utility model, the utility model preferred embodiment is retouched below with reference to embodiment
It states, but it is to be understood that these descriptions are only the feature and advantage for further illustrating the utility model, rather than practical to this
The limitation of novel claim.
The utility model is described in detail in 1-5 with reference to the accompanying drawing:
Embodiment 1:
As shown in Figure 1, a kind of organic tubular type membranous system for refined brine technique, including at least one organic tubular membrane
Heap 20 is connect by circulation pipe 40 with circulating pump 32 between the membrane stack import 21 of organic tubular type membrane stack 20 and membrane stack outlet 22
Form the circulatory system；Organic tubular type membrane stack 20 forms an entirety by the organic series connection of tubular membrane component 10 of at least two groups.
Organic tubular membrane system optimal is made of 2-10 organic tubular type membrane stack parallel connections.
Further scheme, adjacent organic tubular membrane component 10 arrange that one end is connected by connecting tube 23 in vertical equity.
Further scheme, organic tubular type membranous system further includes cleaning system, the cleaning system include cleaning pump 33,
Cleaning fluid tank 80, the output end of the cleaning pump 33 pass through recoil liquid pipe, membrane stack circulation pipe and organic tubular type membrane stack 20 respectively and connect
It connects；Wash-out valve 75 is equipped on the recoil liquid pipe and membrane stack circulation pipe.
The open and close of two recoil valves between control recoil liquid pipe and cleaning pump and organic tubular type membrane stack, from recoil mouth
The middle backwash liquid that cleaned pump importing is added cleans each membrane tube in organic tubular membrane component, will be attached to film surface
Impurity falls off, to effectively mitigate fouling membrane, restores its membrane flux, backwash liquid uses filtered fluid, finally from concentrated solution outlet
Outflow, realization recycle.Also cleaning agent (0.5% hydrochloric acid of concentration) can be imported to each organic pipe from membrane stack entrance by cleaning pump
Membrane tube surface impurity in formula membrane module is cleaned.
Further scheme, as shown in Figure 2,3, organic tubular membrane component 10 include several horizontal layouts in shell
Membrane tube 12 inside 11, the both ends of the membrane tube 12 are installed with the installation lid being connected and sealed with shell 11, make membrane tube 12
Outer wall and installation lid between formed a seal cavity；The both ends open of the membrane tube 12 is in communication with the outside respectively, the shell
The filtrate outlet 14 being connected to seal cavity is offered on body 11.
Further scheme offers the recoil mouth 13 being connected to seal cavity, the filtrate outlet on the shell 11
14 are located on the diagonal line of organic tubular membrane component 10 with recoil mouth 13；The output of the recoil mouth 13 and the recoil liquid pipe
The output end of end connection, the membrane stack circulation pipe is connect with membrane stack import 21 or membrane stack outlet 22.
Preferably, organic tubular type membrane stack 20 is connected in series by the organic tubular membrane component 10 of 3-8 group, wherein all
Filtrate outlet 14 connect with filtering liquid pipe 60 and exports organic tubular type membranous system, and all recoil mouths 13 are by described anti-
Fliud flushing pipe is connect with the output end of cleaning pump 33.
Further scheme, the outer diameter of the shell 11 is 6-10 inches, length 3m-4m；The membrane tube 12 is tubulose knot
Structure, inner passage diameter R are 5mm-8mm；The membrane material of the membrane tube is Kynoar, polyether sulfone, polysulfones or polypropylene
Nitrile, the membrane aperture of the membrane tube are 10-50nm.
Further scheme is connected separately with booster pump 31 and concentration liquid pipe 50 on the circulation pipe 40, is located at circulating pump 32
The first switching valve 71, the second switching valve 72, third switching valve 73 and the 4th switching valve are separately installed on the circulation pipe 40 at both ends
74；The circulating pump 32, the first switching valve 71, organic tubular type membrane stack 20, the second switching valve 72 form a recycled back, described
Circulating pump 32, third switching valve 73, organic tubular type membrane stack 20, the 4th switching valve 74 form a forward circulation.
This organic tubular type membranous system is imported in circulation pipe 40 by booster pump 31 when in use, by crude brine to be filtered,
When the first switching valve 71, the second switching valve 72 open, and third switching valve 73, the 4th switching valve 74 close when, at this time stoste from
Membrane module positioned at organic 20 lower part of tubular type membrane stack flows into, and flows through each organic tubular membrane component 10 upwards in turn, then retains
The concentrate to get off is flowed out from the membrane module for being located at organic 20 top of tubular type membrane stack, and filtered fluid is from each organic tubular membrane group after filtering
The filtrate outlet 14 of part 10 enters filtering liquid pipe 60 and is recycled.After reaching setting time, the switching of the first switching valve 71, second
When valve 72 is automatically closed, third switching valve 73, the 4th switching valve 74 are automatically opened, and crude brine is from positioned at organic tubular type membrane stack at this time
The membrane module on 20 tops flows into, and downwards followed by each organic tubular membrane component 10, the concentrate being retained down has from being located at
The membrane module of 20 lower part of machine tubular type membrane stack flows out, repeatedly.Both filtering had been realized, while having been had also achieved to organic tubular membrane group
The effect that the surface of each membrane tube carries out that commutation is washed away in part 10 effectively mitigates so that impurity be avoided to be attached to membrane tube surface
The pollution of membrane tube；While pressure height, the load weight of the organic tubular membrane of prime in membrane module are also solved, and the organic tubular type of rear class
The deficiency that film pressure is low, load is light integrally extends the service life of membrane module.
When there is impurity attachment on 12 surface of membrane tube, the filtered fluid of certain pressure is added from recoil liquid pipe, from each organic
Recoil mouth 13 on tubular membrane component 10 enters, and cleans to each 12 surface of membrane tube, then flows out from concentrated solution outlet, warp
Liquid pipe 50 is concentrated and exports organic tubular type membranous system, and the impurity for being attached to membrane tube surface punching falls off simultaneously, to effectively subtract
Light fouling membrane, and restore its membrane flux.Backwash generally 8-10 hours primary.
When the salt acid cleaner (concentration 0.5%) of low concentration using such as larger than 1 month a period of time, can be used directly from having
The membrane stack entrance of machine tubular type membrane stack 20 is added, into the membrane tube 12 in each organic tubular membrane component 10, to each membrane tube surface
It is cleaned, film properties can be made to restore as before.
Embodiment 2:
The organic tubular type membranous system of the utility model is applied in salt refining, as shown in figure 5, organic tubular type membranous system 90
The discharge port of the reaction container 103 of stoste arrival end and refined brine connects, the filtrate outlet and essence of organic tubular type membranous system 90
Brine drum 105 connects, and the concentrated solution outlet of organic tubular type membranous system 90 is connect with filter press 104, the filters pressing of the filter press 104
Liquid discharge port is connect with reaction container 103；The feed end of the reaction container 103 is connect by baffling slot 102 with crude salt bucket 101.
Embodiment 3:
The technique of refined brine is following (as shown in Figure 1):
S1: crude brine to be processed is first fed into baffling slot, in the metered refining agent NaOH and Na of baffling slot2CO3, so
After flow into reaction container, wherein the Mg in crude brine2+、Ca2+Respectively with NaOH, Na2CO3Reaction generates Mg (OH)2、CaCO3Solid
Substance；Wherein NaOH additional amount is and Mg2+Excessive 0.1~0.3g/L, Na after reaction2CO3Additional amount is and Ca2+It is excessive after reaction
0.3~0.5g/L.
S2: crude brine after refining reaction is sent into filtration system, organic tubular type membrane stack by suspended matter in crude brine, colloid,
The impurity such as precipitating retention, through salt water, that is, refined brine of organic tubular type membrane stack；
S3: the concentrate of organic tubular type membrane stack retention is sent into filter press, the salt slurry outward transport processing of extrusion, pressing filtering liquid returns
Circular treatment is carried out in reaction container.
The salt water after refining reaction is directly filtered using filtration system in the utility model, the Mg that reaction is generated
(OH)2Colloid, CaCO3The impurity such as the suspended matter carried in precipitating and salt water removal, through in the refined brine of organic tubular type membrane stack
Ca2+、Mg2+Total content < 1mg/L, SS < 1mg/L, turbidity < 0.5NTU.
The filter type of organic tubular type membrane stack is interior press filtration, 0.1 ~ 0.6MPa of operating pressure, film in the utility model
Surface current speed 1m/s-3m/s.
That is, the specific embodiment of refined brine is as follows:
One: the crude brine in crude salt bucket is salt dissolving water, Ca2+Content 0.61g/L, Mg2+Content 0.05g/L, is pumped directly into
Baffling slot, metered sodium carbonate 1.95g/L and sodium hydroxide 0.30g/L, then flows into reaction container in baffling slot, wherein
Mg in salt dissolving2+、Ca2+Respectively with NaOH, Na2CO3Reaction generates Mg (OH)2、CaCO3Solid matter, the crude salt after refining reaction
Water is sent into organic tubular type membranous system, and organic tubular type membranous system is composed in series by 5 organic tubular type membrane stacks, each organic tubular membrane
Heap is connected organic tubular membrane component of 6 10 inches of diameters, length 4m, the channel 5mm of membrane tube, aperture in organic tubular membrane component
For 30nm, membrane material is Kynoar, and the working method of filtration system is for example above-mentioned.Control 0. 35MPa of operating pressure, film surface
Flow velocity 1.5m/s reacts the Mg (OH) of generation2Colloid, CaCO3The impurity such as the suspended matter carried in precipitating and salt water are trapped,
Through Ca in the refined brine of organic tubular type membrane stack2+、Mg2+Total content 0.65mg/L, SS=0.36mg/L, turbidity 0.20NTU, refined salt
Water enters the collection of refined salt bucket；The concentrate of organic tubular type membrane stack retention is sent into filter press, the salt slurry outward transport processing of extrusion, filters pressing
Liquid returns to reaction container circular treatment.
Two: the crude brine in crude salt bucket is the brine gone out from well ore mining, Ca2+Content 1.38g/L, Mg2+Content 0.22g/
L is pumped directly into baffling slot, the metered sodium carbonate 4.1g/L and sodium hydroxide 0.20g/L in baffling slot, then flows into reaction
Bucket, wherein the Mg in brine2+、Ca2+Respectively with NaOH, Na2CO3Reaction generates Mg (OH)2、CaCO3Solid matter, refining reaction
Crude brine afterwards is sent into filtration system, and organic tubular type membranous system is made of 1 organic tubular type membrane stack, organic tubular type membrane stack series connection
Organic tubular membrane component of 46 inches of diameters, length 3m, channel 8mm, the aperture 30nm of membrane tube, membrane material is polyvinylidene fluoride
The working method of alkene, filtration system is for example above-mentioned.0. 45MPa of operating pressure is controlled, crossflow velocity 2.5m/s reacts the Mg of generation
(OH)2Colloid, CaCO3The impurity such as the suspended matter carried in precipitating and salt water are trapped, through the refined brine of organic tubular type membrane stack
Middle Ca2+、Mg2+Total content 0.82mg/L, SS=0.47mg/L, turbidity 0.33NTU, refined brine enter the collection of refined salt bucket；It is organic
The concentrate of tubular type membrane stack retention is sent into filter press, the salt slurry outward transport processing of extrusion, and pressing filtering liquid returns to reaction container circular treatment.
It should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；To the greatest extent
Pipe is with reference to the foregoing embodiments described in detail the utility model, those skilled in the art should understand that: its
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equal
Replacement；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution various embodiments of the utility model technical side
The spirit and scope of case.
Claims (8)
1. a kind of organic tubular type membranous system for refined brine technique, it is characterised in that: including at least one organic tubular membrane
Heap (20) passes through circulation pipe (40) and follows between the membrane stack import (21) of organic tubular type membrane stack (20) and membrane stack outlet (22)
Ring pump (32) connection forms the circulatory system；Organic tubular type membrane stack (20) is connected by the organic tubular membrane component of at least two groups (10)
Form an entirety.
2. a kind of organic tubular type membranous system for refined brine technique according to claim 1, it is characterised in that: adjacent
Organic tubular membrane component (10) arranges that one end is connected by connecting tube (23) in vertical equity.
3. a kind of organic tubular type membranous system for refined brine technique according to claim 1, it is characterised in that: described
Organic tubular type membranous system further includes cleaning system, and the cleaning system includes cleaning pump (33), the output of the cleaning pump (33)
End is connect by recoil liquid pipe, membrane stack circulation pipe with organic tubular type membrane stack (20) respectively；The recoil liquid pipe and membrane stack circulation pipe
On be equipped with wash-out valve (75).
4. a kind of organic tubular type membranous system for refined brine technique according to claim 1-3, feature
Be: organic tubular membrane component (10) includes several horizontal layouts membrane tube (12) internal in shell (11), the film
The both ends of pipe (12) are installed with the installation lid being connected and sealed with shell (11), make the outer wall of membrane tube (12) and install lid
Between formed a seal cavity；The both ends open of the membrane tube (12) is in communication with the outside respectively, offers on the shell (11)
The filtrate outlet (14) being connected to seal cavity.
5. a kind of organic tubular type membranous system for refined brine technique according to claim 4, it is characterised in that: described
The recoil mouth (13) being connected to seal cavity is offered on shell (11), the filtrate outlet (14) and recoil mouth (13) are located at
On the diagonal line of organic tubular membrane component (10)；Recoil mouth (13) connect with the output end for the liquid pipe that recoils, and the membrane stack follows
The output end of endless tube is connect with membrane stack import (21) or membrane stack outlet (22).
6. a kind of organic tubular type membranous system for refined brine technique according to claim 5, it is characterised in that: described
Organic tubular type membrane stack (20) is connected in series by the organic tubular membrane component of 3-8 group (10), wherein all filtrate outlets (14)
It is connect with filtering liquid pipe (60) and exports organic tubular type membranous system, all recoil mouths (13) pass through the recoil liquid pipe
It is connect with the output end of cleaning pump (33).
7. a kind of organic tubular type membranous system for refined brine technique according to claim 5, it is characterised in that: described
The outer diameter of shell (11) is 6-10 inches, length 3m-4m；The membrane tube (12) is tubular structure, and inner passage diameter is
5mm-8mm；The membrane material of the membrane tube is Kynoar, polyether sulfone, polysulfones or polyacrylonitrile, and the membrane aperture of the membrane tube is
10-50nm。
8. a kind of organic tubular type membranous system for refined brine technique according to claim 1, it is characterised in that: described
It is connected separately with booster pump (31) and concentration liquid pipe (50) on circulation pipe (40), is located at the circulation pipe (40) at circulating pump (32) both ends
On be separately installed with the first switching valve (71), the second switching valve (72), third switching valve (73) and the 4th switching valve (74)；It is described
Circulating pump (32), the first switching valve (71), organic tubular type membrane stack (20), the second switching valve (72) form a recycled back, institute
It states circulating pump (32), third switching valve (73), organic tubular type membrane stack (20), the 4th switching valve (74) and forms a forward circulation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023232157A1 (en) * | 2022-05-31 | 2023-12-07 | 成都思达能环保设备有限公司 | Co-precipitation reaction system |
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2018
- 2018-10-30 CN CN201821771586.1U patent/CN209221885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023232157A1 (en) * | 2022-05-31 | 2023-12-07 | 成都思达能环保设备有限公司 | Co-precipitation reaction system |
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Effective date of registration: 20200521 Address after: 238200 workshop 5, hi tech business incubator, Hexian Economic Development Zone, Ma'anshan City, Anhui Province Patentee after: Anhui xingqida Membrane Technology Co., Ltd Address before: 238200 First Floor of No.5 High-tech Enterprise Incubator Factory Building of Ma'anshan City and County Economic Development Zone, Anhui Province Patentee before: ANHUI FENGKEDA TECHNOLOGY Co.,Ltd. |