CN105833569B - Contour stealth current limliting road membrane separator and its method for emulsion liquid film demulsification - Google Patents
Contour stealth current limliting road membrane separator and its method for emulsion liquid film demulsification Download PDFInfo
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- CN105833569B CN105833569B CN201610269665.1A CN201610269665A CN105833569B CN 105833569 B CN105833569 B CN 105833569B CN 201610269665 A CN201610269665 A CN 201610269665A CN 105833569 B CN105833569 B CN 105833569B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/047—Breaking emulsions with separation aids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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Abstract
Contour stealth current limliting road membrane separator and its method for emulsion liquid film demulsification, belong to chemical technology and technical field of chemical, including pipe shell, emulsion outlet, inner aqueous phase material liquid outlet, UF membrane pipe, current limliting road spiral board, pressure tap and material inlet, pipe is cylinder type hollow pipe；Emulsion outlet is horizontally set on the lower part of pipe；Inner aqueous phase material liquid outlet is arranged on the bottom centre position of pipe；UF membrane pipe is arranged on the inside of pipe, and is set with the cross circular section concentric of pipe；Outside of the current limliting road spiral board along UF membrane pipe, is arranged on outside, the inner side of pipe of UF membrane pipe in the shape of a spiral；Material inlet is horizontally set on the top of pipe, and parallel with emulsion outlet.The present invention can force lotion to do uniform pitch, make the rotary motion of almost constant speed between each spiral plate, make lotion to initially enter the operation of the state of membrane separator, and long operational time, demulsification efficiency is high, can development and application in the actual production of demulsification.
Description
Technical field
The invention belongs to chemical technology and technical field of chemical, especially relate to a kind of contour stealth limit runner film from
The method of device emulsion liquid film demulsification.
Background technology
Emulsion Liquid Membrane Separation Technique is a kind of effective ways that heavy metal ion is recycled from waste water, but emulsion liquid film is demulsified
It is to extract the heavy metal ion recycled and lotion from the key newly utilized from inner aqueous phase.The method of emulsion breaking has settled process, steams
Evaporate method, plasma method, electric demulsification method, microwave irradiation, ultrasonic dehydration method, centrifugation demulsification method, electrolyte method, chemical demulsification
Agent demulsification method, biological demulsifying method, grinding emulsion breaking method, membrane separation process etc..Settled process Processes and apparatus is fairly simple, but is demulsified the time
It is longer, contain that the tank body of lotion is larger, more, and lotion usage amount is also larger.Way of distillation energy consumption is higher, in immiscible two component
When constant boiling mixture is produced in system, the way of distillation cannot thoroughly separate it.Plasma method power consumption is higher, cost of equipment is higher.
Electric demulsification method requires high electric-field intensity, and electrisity consumption is big, dangerous very high.There may be height in the demulsification of emulsions under microwave radiation method short time
Temperature, is unable to control temperature, is easily destroyed organic phase activity.Meanwhile misoperation, microwave radiation easily cause body necessarily
Influence, of high cost, energy consumption is big, and economic benefit is low.Ultrasonic dehydration method is of high cost, is generally used in laboratory, is rarely used in work
Industry process.It is small to centrifuge demulsification method processing lotion quantity, lotion amount is difficult processing when big, high to operation equipment requirement, operation limitation
Property is larger.Electrolyte method is demulsified can change the property of surfactant to a certain extent.Chemical demulsification method is applicable in for liquid film
Property it is poor because liquid film will reuse, add demulsifier after, next time again breast processed when, emulsion just becomes very unstable.Biology
Screening of the demulsification method to the strain of microorganism, cell age is more difficult, is the difficult point of biological demulsifying.Grinding emulsion breaking method breaks floccule
Breast is more suitable, poor for applicability to emulsion liquid film.Filtration method be it is a kind of frequently with simple breaking method, the drawback is that demulsification
Not exclusively, it occur frequently that blocking when emulsus fluid viscosity is big.Contour stealth membrane separating method therein is carried out than more efficient, some scholars
Research in detail, but the drawback is that separator run time is short, fenestra easily blocks.Research is found, utilizes contour stealth UF membrane
Method demulsification relative efficiency, its operation have certain technical problem, and cleaning frequency is higher, less efficient.The reason is that when emulsion leads to
When crossing contour stealth membrane separator, just having started lotion, spirally movement locus is run, and with there is inner aqueous phase to separate, lotion is spinned
The resistance of movement increases, and due to lotion self gravitation factor, great variety, breast occur for movement locus of the lotion in separator
Flow velocity declines, between lotion, lotion and membrane tube wall collision opportunity and frictional force reduce, cause outward turning stream separator to be demulsified efficiency
It is quick to reduce, and decline and must become apparent with the length increase separative efficiency of UF membrane pipe.Simultaneously as lotion moves rail
Mark and movement velocity change, and lotion can cause part Pore Blocking, and increase gambling plug with UF membrane pipe and aggravate, and device is normal
The time of operation becomes shorter.Therefore there is an urgent need for a kind of new technical solution to solve the problems, such as this among the prior art.
The content of the invention
The technical problems to be solved by the invention are：There is provided a kind of contour stealth current limliting road membrane separator and its for emulsion
The method of film demulsification, forces lotion to make uniform pitch, make the rotary motion of almost constant speed in each spiral internode, makes lotion with most
Be initially entered the state motion of membrane separator, make the separation process duration longer, and can development and application in the actual production of demulsification
In.
Contour stealth current limliting road membrane separator, it is characterized in that：Including pipe shell, emulsion outlet, inner aqueous phase material liquid outlet, film
Separating pipe, current limliting road spiral board, pressure tap and material inlet, the pipe shell are cylinder type hollow pipe；The lotion goes out
Mouth is horizontally set on the lower part of pipe shell；The inner aqueous phase material liquid outlet is arranged on the bottom centre position of pipe shell；Institute
The inside that UF membrane pipe is arranged on pipe shell is stated, and is set with the cross circular section concentric of pipe shell；The current limliting road rotation
Outside of the flowing plate along UF membrane pipe, is arranged on the outside of UF membrane pipe, the inner side of pipe shell in the shape of a spiral；The pressure tap
It is arranged on the top of pipe shell；The material inlet is horizontally set on the top of pipe shell, is welded with pipe shell tangentially
Connect, and it is parallel with emulsion outlet.
Contour stealth current limliting road membrane separator is used for the method for emulsion liquid film demulsification, it is characterized in that：Using being provided with contour stealth
The contour stealth pipe type filtering device of current limliting road membrane separator, including anti-cleaning fluid tank, head tank to be demulsified, feed liquid circulation pump, pumping
Milk tank and vacuum pump after filter flask, feed liquid bottle, flowmeter, membrane separator, vacuum breaker, surge flask, demulsification are described anti-clear
Washing lotion tank and head tank to be demulsified are connected by pipeline and feed liquid circulation pump with membrane separator, and flowmeter is provided with pipeline；
The pressure tap of the membrane separator is connected with feed liquid bottle, and milk tank connects after the emulsion outlet of membrane separator and demulsification；The material
Liquid bottle is connected by pipeline with bottle,suction；Conduit is provided with the bottle,suction, the side of conduit is arranged on inside surge flask；Institute
State the vacuum pump that vacuum breaker is provided with surge flask and is connected by conduit；
The method that emulsion liquid film demulsification is carried out using the contour stealth pipe type filtering device, comprises the following steps,
Step 1: checking that pipeline is unimpeded and air-tightness, feed into anti-cleaning fluid tank and head tank to be demulsified；
Step 2: opening feed liquid circulation pump and vacuum pump, adjust flowmeter, make the stability of flow of lotion 30ml/min~
80ml/min；
Step 3: liquid to be demulsified passes through the effect of feed liquid circulation pump, the material inlet through contour stealth current limliting road membrane separator
Into inside membrane separator, and spin and move along current limliting road spiral board in membrane separator；Between liquid pearl and liquid pearl and UF membrane
The wall of pipe is mutually collided and rubbed, damaged to emulsion liquid film；
Step 4: inner aqueous phase feed liquid is acted on through pressure, UF membrane pipe is passed through from fenestra, and from inner aqueous phase material liquid outlet stream
Enter feed liquid bottle and filter in bottle, the lotion after demulsification is flowed into after demulsification from emulsion outlet in milk tank；
Step 5: after continuously running 3h~6h, system pressure difference is treated close to -9.4kPa, material flow in inner aqueous phase material liquid outlet
Output diminishes, by stop feed liquid circulation pump and vacuum pump；
Step 6: after separation, counter to UF membrane pipe to be cleaned, the vacuum breaker in regulating device, to it is anti-clearly
Clear water or organic solvent in washing lotion tank enter membrane separator from inner aqueous phase material liquid outlet, and by the hole of UF membrane pipe,
It is identical with the pressure value that UF membrane pipe uses for the first time to wash out the pressure of lotion to the system in hole, anti-cleaning terminates.
By above-mentioned designing scheme, the present invention can bring following beneficial effect：A kind of contour stealth current limliting road membrane separator
And its method for emulsion liquid film demulsification, force lotion to make uniform pitch in separator, make approximation between each spiral plate
The rotary motion of constant speed, makes lotion to initially enter the state motion of membrane separator, makes device run time elongated, and can apply
In the actual production of demulsification；Since emulsion liquid film is organic phase, there is certain viscosity, the hole in membrane tube is easily by organic phase
Block, when contour stealth current limliting road membrane separator is demulsified, the lotion of high-speed motion has very membrane tube inside membrane separator everywhere
Good self-cleaning function, permeability is more preferable, there is preferable demulsification.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated：
Fig. 1 is contour stealth current limliting road membrane separator structure diagram of the present invention.
Fig. 2 is contour stealth current limliting road membrane separator overlooking the structure diagram of the present invention.
Fig. 3 is contour stealth current limliting road membrane separation device of the present invention composition figure.
1- emulsion outlets, 2- inner aqueous phases material liquid outlet, 3- membrane separators, 4- current limlitings road spiral board, 5- pressure taps, 6- in figure
The anti-cleaning fluid tank of material inlet, 7-, 8- head tanks to be demulsified, 9- feed liquids, 10- bottle,suctions, 11- feed liquids bottle, 12- flowmeters, 13-
Milk tank, 17- vacuum pumps, 18- pipe shells after membrane separator, 14- vacuum breakers, 15- surge flasks, 16- demulsifications.
Embodiment
A kind of contour stealth current limliting road membrane separator and its method for emulsion liquid film demulsification, as depicted in figs. 1 and 2, outside
Eddy flow current limliting road membrane separator, including pipe shell 18, emulsion outlet 1, inner aqueous phase material liquid outlet 2, UF membrane pipe 3, current limliting road
Spiral board 4, pressure tap 5 and material inlet 6, the pipe shell 18 are cylinder type hollow pipe；1 level of emulsion outlet is set
Put in the lower part of pipe shell 18；The inner aqueous phase material liquid outlet 2 is arranged on the bottom centre position of pipe shell 18；The film
Separating pipe 3 is arranged on the inside of pipe shell 18, and is set with the cross circular section concentric of pipe shell 18；The current limliting road rotation
Outside of the flowing plate 4 along UF membrane pipe 3, is arranged on the outside of UF membrane pipe 3, the inner side of pipe shell 18 in the shape of a spiral；It is described
Pressure tap 5 is arranged on the top of pipe shell 18；The material inlet 6 is horizontally set on the top of pipe shell 18, with pipe
18 tangentially of shell welds, and parallel with emulsion outlet 1.
As shown in figure 3, using the contour stealth pipe type filtering device for being provided with contour stealth current limliting road membrane separator, including it is anti-clear
Washing lotion tank 7, head tank to be demulsified 8, feed liquid circulation pump 9, bottle,suction 10, feed liquid bottle 11, flowmeter 12, membrane separator 13, vacuum
Milk tank 16 and vacuum pump 17 after regulating valve 14, surge flask 15, demulsification, the anti-cleaning fluid tank 7 and head tank 8 to be demulsified are logical
Cross pipeline and feed liquid circulation pump 9 is connected with membrane separator 13, and flowmeter 12 is provided with pipeline；The survey of the membrane separator 13
Pressure mouth 5 is connected with feed liquid bottle 11, and the emulsion outlet 1 of membrane separator 13 is connected with milk tank 16 after demulsification；The feed liquid bottle 11 is logical
Pipeline is crossed to be connected with bottle,suction 10；Conduit is provided with the bottle,suction 10, the side of conduit is arranged on inside surge flask 15；Institute
State the vacuum pump 17 that vacuum breaker 14 is provided with surge flask 15 and is connected by conduit；
The method that emulsion liquid film demulsification is carried out using the contour stealth current limliting road membrane separation device, comprises the following steps,
Step 1: checking that pipeline is unimpeded and air-tightness, feed into anti-cleaning fluid tank 7 and head tank 8 to be demulsified；
Step 2: opening feed liquid circulation pump 9 and vacuum pump 17, flowmeter 12 is adjusted, makes the stability of flow of lotion in 30ml/
Min~80ml/min；
Step 3: effect of the liquid to be demulsified by feed liquid circulation pump 9, the material inlet through contour stealth current limliting road membrane separator
6 enter inside membrane separator 13, and spin and move along current limliting road spiral board 4 in membrane separator 13；Between liquid pearl and liquid pearl with
The wall of UF membrane pipe 3 is mutually collided and rubbed, damaged to emulsion liquid film；
Step 4: inner aqueous phase viscosity of sludge is small, good fluidity, passes through UF membrane pipe 3 from fenestra under pressure, and
Feed liquid bottle 11 is flowed into from inner aqueous phase material liquid outlet 2 and is filtered in bottle 10, after the lotion after demulsification flows into demulsification from emulsion outlet 1
In milk tank 16, surge flask 15 is mainly pressure stability in maintenance system；
Step 5: continuous operation is after a certain period of time, treat that system pressure difference becomes larger, or material flows out in inner aqueous phase material liquid outlet 2
Amount diminishes, and 9 and vacuum pump 17 are pumped by feed liquid circulation is stopped；
Step 6: after separation, counter to UF membrane pipe 3 to be cleaned, the vacuum breaker 14 in regulating device, to anti-
Clear water or organic solvent in cleaning fluid tank 7 enter membrane separator 13 from inner aqueous phase material liquid outlet 2, and pass through UF membrane pipe 3
Hole, wash out hole in lotion to system pressure it is identical with the pressure value that UF membrane pipe 3 uses for the first time, instead clean terminate.
With Cu in recycle-water2+Emulsion liquid film carry out demulsification research for research object.
Following table is contour stealth current limliting road membrane separator continuous operating time under different pressures
As can be seen from Table 1, the membrane separator run time of the unlimited runner of the present invention is much smaller than the separator of limited runner.
Also, contour stealth current limliting road membrane separator can continuous work 6 it is small when more than.6 it is small when caudacoria blockage ratio it is more serious, it is necessary to recoil
Wash, that is, stop charging, close discharge port, clear water or organic solvent and intake from membrane separator liquid outlet, current pass through fenestra, by film
The organic phase of pore gap attachment washes away, and is discharged from feed inlet.When flow in membrane separator and pressure, to reach original state as anti-
Cleaning state terminates.
Due to being organic phase outside emulsion liquid film, there is certain viscosity, the hole in membrane tube is easily blocked by organic phase, outside
During the membrane separator demulsification of eddy flow current limliting road, lotion movement velocity is very fast, and membrane tube is washed away, and has good self-cleaning function,
There is preferable demulsification.But when produce load is larger, improves demulsification amount, it is necessary to improve membrane area, its method one is to add
Large Diameter Pipeline, but by bearing pressure and membrane tube level of processing is limited, caliber cannot want it is much have it is much；Second, lengthen membrane tube length
Degree, but after length of tube increase, Flow of Goods and Materials situation has large change.When membrane tube is longer, when slurry has just enter into membrane tube annular space
In rotation stream mode, there is the ability that centrifugation, tangent line are rinsed.When lotion flow into membrane tube rear portion timesharing, due to lotion in itself
There is certain viscosity, along with the energy loss of eddy flow, lotion moving line changes, and fundamental transformation is more leaned on into axial flowing
The nearly port of export will also lose the effect of eddy flow, cause demulsification efficiency to fall too low closer to laminar flow.Contour stealth limit runner film point
Structure, principle from device have a greater advantage, and can development and application in being demulsified in actual production.
Claims (2)
1. contour stealth current limliting road membrane separator, it is characterized in that：Go out including pipe shell (18), emulsion outlet (1), inner aqueous phase feed liquid
Mouth (2), UF membrane pipe (3), current limliting road spiral board (4), pressure tap (5) and material inlet (6), the pipe shell (18) are
Cylinder type hollow pipe；The emulsion outlet (1) is horizontally set on the lower part of pipe shell (18)；The inner aqueous phase material liquid outlet
(2) it is arranged on the bottom centre position of pipe shell (18)；The UF membrane pipe (3) is arranged on the inside of pipe shell (18),
And set with the cross circular section concentric of pipe shell (18)；Current limliting road spiral board (4) is outer along UF membrane pipe (3)
Side, is arranged on the outside of UF membrane pipe (3), the inner side of pipe shell (18) in the shape of a spiral；The pressure tap (5) is arranged on pipe
The top of shell (18)；The material inlet (6) is horizontally set on the top of pipe shell (18), with pipe shell (18) into cutting
Wire bonding, and it is parallel with emulsion outlet (1).
2. contour stealth current limliting road membrane separator is used for the method for emulsion liquid film demulsification, using contour stealth as claimed in claim 1
Current limliting road membrane separator, it is characterized in that：Using the contour stealth pipe type filtering device for being provided with contour stealth current limliting road membrane separator, bag
Include anti-cleaning fluid tank (7), head tank to be demulsified (8), feed liquid circulation pump (9), bottle,suction (10), feed liquid bottle (11), flowmeter
(12), milk tank (16) and vacuum pump (17), institute after membrane separator (13), vacuum breaker (14), surge flask (15), demulsification
Anti- cleaning fluid tank (7) and head tank to be demulsified (8) is stated to be connected with membrane separator (13) by pipeline and feed liquid circulation pump (9), and
Flowmeter (12) is provided with pipeline；The pressure tap (5) of the membrane separator (13) is connected with feed liquid bottle (11), membrane separator
(13) emulsion outlet (1) is connected with milk tank (16) after demulsification；The feed liquid bottle (11) is connected by pipeline and bottle,suction (10)
Connect；Conduit is provided with the bottle,suction (10), the side of conduit is arranged on surge flask (15) inside；On the surge flask (15)
It is provided with vacuum breaker (14) and the vacuum pump (17) connected by conduit；
The method that emulsion liquid film demulsification is carried out using the contour stealth pipe type filtering device, comprises the following steps,
Step 1: checking that pipeline is unimpeded and air-tightness, feed to anti-cleaning fluid tank (7) and head tank be demulsified (8) are middle；
Step 2: opening feed liquid circulation pump (9) and vacuum pump (17), flowmeter (12) is adjusted, the stability of flow of lotion is existed
30ml/min~80ml/min；
Step 3: effect of the liquid to be demulsified by feed liquid circulation pump (9), the material inlet through contour stealth current limliting road membrane separator
(6) it is internal to enter membrane separator (13), and spins movement along current limliting road spiral board (4) in membrane separator (13)；Between liquid pearl
It is damaged to emulsion liquid film and liquid pearl and the wall of UF membrane pipe (3) are mutually collided and rubbed；
Step 4: inner aqueous phase feed liquid is acted on through pressure, UF membrane pipe (3) is passed through from fenestra, and from inner aqueous phase material liquid outlet (2)
Flow into feed liquid bottle (11) and filter in bottle (10), the lotion after demulsification flows into milk tank (16) after demulsification from emulsion outlet (1)
In；
Step 5: after continuously running 3h~6h, treat that system pressure difference approaches -9.4kPa, material flows out in inner aqueous phase material liquid outlet (2)
Amount diminishes, and (9) and vacuum pump (17) are pumped by feed liquid circulation is stopped；
Step 6: after separation, counter to UF membrane pipe (3) to be cleaned, the vacuum breaker (14) in regulating device, to anti-
Clear water or organic solvent in cleaning fluid tank (7) enter membrane separator (13) from inner aqueous phase material liquid outlet (2), and pass through film point
From the hole of pipe (3), the pressure of lotion to system in wash-off hole is identical with the pressure value that UF membrane pipe (3) uses for the first time, instead
Cleaning terminates.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269665.1A CN105833569B (en) | 2016-04-27 | 2016-04-27 | Contour stealth current limliting road membrane separator and its method for emulsion liquid film demulsification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269665.1A CN105833569B (en) | 2016-04-27 | 2016-04-27 | Contour stealth current limliting road membrane separator and its method for emulsion liquid film demulsification |
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| CN105833569A CN105833569A (en) | 2016-08-10 |
| CN105833569B true CN105833569B (en) | 2018-05-11 |
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| CN106861240B (en) * | 2017-05-04 | 2023-06-09 | 哈尔滨瀚钧现代制药有限公司 | Spiral separator for separating fat-soluble and water-soluble mixed liquid |
| WO2018235210A1 (en) | 2017-06-21 | 2018-12-27 | エム・テクニック株式会社 | Filtration membrane module and filtration method |
| CN107983162A (en) * | 2018-01-24 | 2018-05-04 | 北京北方科诚信息技术股份有限公司 | A kind of embrane method oily-water seperating equipment based on rotational flow flushing |
| CN109011820A (en) * | 2018-09-17 | 2018-12-18 | 中石化（洛阳）科技有限公司 | Anisotropic membrane separator and catalytic slurry equipment for separating liquid from solid |
| CN114588783B (en) * | 2022-03-21 | 2023-08-01 | 山东水利建设集团有限公司 | Multistage back flush system of pump house |
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| CN1424134A (en) * | 2003-01-09 | 2003-06-18 | 邵显东 | Centrifugal rotary supergravity-membrane separating technology |
| CN2933521Y (en) * | 2006-01-26 | 2007-08-15 | 中北大学 | Inorganic micro-filtration membrane vacuum emulsion device |
| CA2675018C (en) * | 2007-01-09 | 2012-06-05 | Cambridge Water Technology, Inc. | A system and method for removing dissolved contaminants, particulate contaminants, and oil contaminants from industrial waste water |
| CN203212400U (en) * | 2013-02-28 | 2013-09-25 | 闵方权 | Rotational flow centrifugal separation device |
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Inventor after: Wang Shujiang Inventor after: Wen Chunyang Inventor after: Dan Shaolei Inventor after: Yang Yongheng Inventor after: Shi Xiumin Inventor after: Zhang Guokui Inventor before: Shi Xiumin Inventor before: Wen Chunyang Inventor before: Dan Shaolei Inventor before: Yang Yongheng Inventor before: Wang Shujiang Inventor before: Zhang Guokui |
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