CN114778412A - Performance analysis testing device of oil-water separation material and application thereof - Google Patents
Performance analysis testing device of oil-water separation material and application thereof Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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Abstract
The invention discloses a performance analysis testing device of an oil-water separation material and application thereof, wherein the device comprises: the liquid inlet device comprises a liquid inlet device, a testing assembly, a pressure gauge, a flowmeter, a liquid returning device, a first branch and a second branch, wherein the testing assembly comprises a separating main body component and a filtering cavity, the separating main body component is internally divided into a first cavity and a second cavity by a baffle, the first cavity is provided with a first port, the first port is connected with the liquid inlet device through a first pipeline, and the second cavity is provided with a second port; a through hole is formed in the side wall of the filtering cavity positioned in the second cavity, and the oil-water separation material is arranged on the side wall of the filtering cavity and covers the through hole; the liquid return device is connected with the second port through a second pipeline, and a second flow valve is arranged on the second pipeline; a third flow valve is arranged on the first branch; the second branch is respectively connected with the first port and the liquid return device, and a fourth flow valve is arranged on the second branch. The device can realize all-round test analysis to oil water separating material to simple structure, separation efficiency are high.
Description
Technical Field
The invention belongs to the technical field of water treatment, and particularly relates to a performance analysis testing device for an oil-water separation material and application thereof.
Background
Oil-water separation has become a worldwide problem, and has important significance in industrial production, environmental protection, energy conservation and the like. Oil-water separation is an important industrial process for treating oil-water mixed waste liquid, and a large amount of oil-water mixed waste liquid is generated in the industries of petroleum extraction, mechanical processing, textile industry, food catering, transportation and the like. The oil-water separation technology is mainly based on the density difference or chemical property difference of water and oil, and utilizes the gravity settling principle or other physical and chemical reactions to remove impurities or complete the separation of oil and water. The common methods such as gravity settling, rotational flow and air flotation are mostly used for treating free and dispersed oil-water mixtures, and the treatment capacity of the emulsified oil-water mixture is limited. Although the chemical additive and the biological method can effectively solve the problem of emulsion breaking of the emulsion, the chemical additive and the biological method are easy to cause secondary pollution, so the chemical additive and the biological method are only used under the working condition of specific needs.
The membrane separation is based on the blocking of impurities, and has the advantages of low energy consumption, flexible and simple process, low environmental pollution, strong universality and the like. The traditional separation membrane mainly comprises a reverse osmosis membrane, an ultrafiltration membrane, a microfiltration membrane, a nanofiltration membrane and the like, and physical separation is realized based on the fact that the pore diameter of micropores of a filtering material is smaller than the diameter of emulsion liquid drops, so that the efficiency is low, the cost is high, and the maintenance is difficult. For the oil-water separation of an emulsified oil-water mixture, the conventional membrane filtration method is physical separation realized on the basis that pores are smaller than emulsion droplets, and a filtration membrane with special wettability can accelerate the passing of a main medium in an emulsion by virtue of the special wettability of the surface, but in order to realize the effective separation of the emulsified oil-water mixture, the pores are smaller than the diameter of the emulsion droplets of an impurity phase to be treated, so that the treatment efficiency in actual use is extremely low, and a microporous material is complex to prepare, high in cost and difficult to maintain. In addition, the special wettability material after general surface modification is damaged in the using process due to the problems of surface coating binding force and the like, and finally the coating fails to work, so that the overall filtering performance is reduced, and the service life of the filtering material is seriously influenced.
For the specific performance detection of various membrane filtration materials, various parameters need to be evaluated, and then the oil-water separation effect and the service life of the material are evaluated. However, the existing testing method is often directly tested based on a certain parameter, so that the performance of the oil-water-oil-water separation material cannot be comprehensively analyzed.
Disclosure of Invention
The present invention is directed to solving, at least in part, one of the technical problems in the related art. Therefore, the invention aims to provide a performance analysis and test device for an oil-water separation material and application thereof. The device can realize carrying out all-round test analysis to oil water separating material, and easy operation, the function is various, and application scope is bigger to simple structure, separation efficiency are high, have extensive application prospect.
In one aspect of the invention, the invention provides a performance analysis testing device for an oil-water separation material. According to an embodiment of the invention, the apparatus comprises:
a liquid inlet device;
a test assembly, the test assembly comprising:
the liquid inlet device comprises a separation main body part, a liquid inlet device and a liquid outlet device, wherein the separation main body part is divided into a first cavity and a second cavity by a baffle, the baffle is provided with an opening, the first cavity is provided with a first port, the first port is connected with the liquid inlet device through a first pipeline, the first pipeline is provided with a driving pump, a flowmeter and a first flow valve, the driving pump can perform forward and reverse rotation switching, and the second cavity is provided with a second port;
the filtering cavity detachably penetrates through the openings and is arranged in the first cavity and the second cavity, one end, close to the first opening, of the filtering cavity is open, one end, close to the second opening, of the filtering cavity is closed, a through hole is formed in the side wall, located in the second cavity, of the filtering cavity, and an oil-water separation material is arranged on the side wall of the filtering cavity and covers the through hole;
the pressure gauge comprises a first pressure gauge and a second pressure gauge, the first pressure gauge is arranged on the first cavity, and the second pressure gauge is arranged on the second cavity;
a flow meter disposed on the first conduit between the drive pump and the first branch;
the liquid return device is connected with the second port through a second pipeline, and a second flow valve is arranged on the second pipeline;
one end of the first branch is connected with a first pipeline between the driving pump and the first flow valve, and the other end of the first branch is connected with the second port;
and the second branch is respectively connected with the first port and the liquid return device, and a fourth flow valve is arranged on the second branch.
The performance analysis testing device of the oil-water separation material comprises a liquid inlet device, a testing component, a pressure gauge, a flowmeter, a liquid return device, a first branch and a second branch, wherein the testing component comprises a separation main body component and a filtering cavity, by dividing the separating main body component into a first cavity and a second cavity, the filtering cavity is detachably arranged in the first cavity and the second cavity, so that the performance of the oil-water separation materials with different shapes and sizes can be tested, meanwhile, the side wall of the filtering cavity body positioned in the second cavity body is provided with the through hole, the oil-water separation material is arranged on the side wall of the filtering cavity body and covers the through hole, the area of the through hole can be reasonably reduced according to the condition, therefore, the flow area of the oil-water separation material is reduced, the testing time is shortened, the testing efficiency is improved, and the service area of the oil-water separation material can be optimized to realize the optimization of the service life evaluation. Meanwhile, a driving pump and a first flow valve are arranged on the first pipeline, a second flow valve is arranged on the second pipeline, a third flow valve is arranged on the first branch, a fourth flow valve is arranged on the second branch, so that the oil-water separation material can be subjected to filtration tests from inside to outside and from outside to inside, and factors such as the feasibility of backflushing and the service life of the oil-water separation material in the using process can be analyzed based on the control of the filtration direction of the oil-water separation material, so that the optimization of the material in the actual using process is facilitated; in addition, a flowmeter and a pressure gauge arranged in the device can synchronously test the total filtration amount and pressure drop parameters of the oil-water separation material, so that the service life and the pollutant carrying capacity of the oil-water separation material are quantitatively analyzed. Therefore, the device can realize the all-round test of the oil-water separation material, is convenient to operate, has various functions and reliable test results, is environment-friendly and high in separation efficiency, and is expected to be used for testing the oil-water separation material related to various industries such as petrochemical industry.
In addition, the performance analysis and test device for the oil-water separation material according to the above embodiment of the present invention may further have the following additional technical features:
in some embodiments of the present invention, a pressing plate is disposed on the filtering cavity, and the oil-water separation material is fixed to cover the through hole through the pressing plate. From this, oil-water separation material is installed firmly, guarantees the stability in the follow-up test analysis process.
In some embodiments of the present invention, the analytical test device further comprises an image capturing component disposed outside the testing component and facing the oil-water separating material. Therefore, the microscopic state in the filtering process can be monitored in an all-around manner.
In some embodiments of the invention, the analytical test device further comprises a temperature test component, the temperature test component being provided on the inlet means. Therefore, the temperature condition in the testing process can be monitored, the temperature condition of the performance testing result of the filtering material is further determined, when the temperature of the liquid medium is increased by more than 5 ℃ compared with the room temperature after the liquid medium circularly flows for a long time, the medium needs to be replaced, and the influence of temperature drift on the testing result is avoided.
In a second aspect of the invention, the invention provides a method for testing the performance of the oil-water separation material by using the device. According to an embodiment of the invention, the method comprises:
(1) closing the third flow valve and the fourth flow valve, and opening the first flow valve and the second flow valve;
(2) starting a driving pump to rotate forwards, enabling liquid in a liquid inlet device to enter a first cavity through a first port after passing through a first pipeline, then enter a filtering cavity, flow through an oil-water separation material to enter a second cavity, flow out of the second cavity through a second port, and then be supplied to a liquid return device, monitoring the readings of a first pressure gauge and a second pressure gauge, recording filtering time and flow when the difference between the first pressure gauge and the second pressure gauge reaches a preset pressure difference, and calculating the total flow of single first filtering by the oil-water separation material;
(3) closing the first flow valve and the second flow valve, and opening the third flow valve and the fourth flow valve;
(4) starting a driving pump to reversely rotate, enabling liquid in the liquid inlet device to pass through a first branch and then enter a second cavity through a second port, then enter a filtering cavity and then flow through the oil-water separation material to enter the first cavity, then flow out of the first cavity through the first port and then be supplied to the liquid return device through the second branch, and stopping after the preset time is continuously set;
and (3) repeating the steps (1) and (2) until the difference between the first pressure table and the second pressure table reaches a first preset pressure difference and the recorded total single-filtration flow of the oil-water separation material is lower than 30% of the first total filtration flow, determining that the oil-water separation material reaches the service life, and counting the total filtration flow of the oil-water separation material and the impurity concentrations before and after filtration.
According to the method for testing the performance of the oil-water separation material by using the device, the oil-water separation material can be comprehensively tested, the operation is convenient, the functions are various, the test result is reliable, the environment is friendly, the separation efficiency is high, and the method is expected to be used for testing the oil-water separation material related to various industries such as petrochemical industry.
In addition, the method for testing the performance of the oil-water separation material by using the device according to the embodiment of the invention can also have the following additional technical characteristics:
in some embodiments of the present invention, in the step (2), the predetermined pressure difference is 0.05 to 0.1 MPa.
In some embodiments of the present invention, in the step (4), the predetermined time is 5 to 30 seconds.
In some embodiments of the present invention, the method further comprises collecting microscopic property information on the oil-water separation material by using an image collecting assembly. Therefore, the oil-water separation material can be further detected in all directions.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a performance analysis test device for an oil-water separation material according to an embodiment of the invention;
FIG. 2 is a schematic view of an apparatus for analyzing and testing the properties of an oil-water separating material according to still another embodiment of the present invention;
FIG. 3 is a schematic diagram of a test assembly according to one embodiment of the invention;
FIG. 4 is a schematic view of controlling the filtration direction of an oil-water separation material according to one embodiment of the present invention;
FIG. 5 is a schematic flow chart of a method for testing the performance of the oil-water separation material by using the device according to an embodiment of the invention.
Reference numerals:
10. a liquid inlet device; 101. a temperature testing component; 20. testing the component; 201. separating the main body part; 202. a filtering cavity; 203. a baffle plate; 2031. an opening; 2021. a first cavity; 2021a, first port; 2022. a second cavity; 2022a, a second port; 2032. a through hole; 21. an oil-water separation material; 11. a first conduit; 111. driving the pump; 112. a first flow valve;
30. a pressure gauge; 301. a first pressure gauge; 302. a second pressure gauge;
40. a flow meter;
50. a liquid return device; 51. a second conduit; 511. a second flow valve;
60. a first branch; 601. a third flow valve;
70. a second branch circuit; 701. a fourth flow valve;
80. an image acquisition assembly.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The invention will now be described with reference to specific examples, which are intended to be illustrative only and not to be limiting in any way.
In one aspect of the invention, the invention provides a performance analysis and test device for an oil-water separation material. Referring to fig. 1-4, the analytical test device includes, according to an embodiment of the present invention: the liquid inlet device 10, the testing component 20, the pressure gauge 30, the flow meter 40, the liquid return device 50, the first branch 60 and the second branch 70.
According to an embodiment of the present invention, the testing assembly 20 includes a separating body component 201 and a filtering chamber 202, the separating body component 201 is divided into a first chamber 2021 and a second chamber 2022 by a baffle 203, an opening 2031 is provided on the baffle 203, the first chamber 2021 is provided with a first port 2021a, the first port 2021a is connected to the liquid inlet device 10 through a first pipe 11, the first pipe 11 is provided with a driving pump 111 and a first flow valve 112, the driving pump 111 can be switched between a positive rotation and a negative rotation, such as a peristaltic pump, and the second chamber 2022 is provided with a second port 2022 a. The filtering cavity 202 is detachably disposed in the first cavity 2021 and the second cavity 2022 through the opening 2031, an end of the filtering cavity 202 near the first port 2021a is open, an end of the filtering cavity 202 near the second port 2022a is closed, a through hole 2032 is disposed on a side wall of the filtering cavity 202 in the second cavity 2022, and the oil-water separating material 21 is disposed on the side wall of the filtering cavity 202 and covers the through hole 2032. Specifically, when the driving pump 111 rotates forward, the liquid supplied from the liquid inlet device 10 enters the first cavity 2021 through the first port 2021a, then enters the filtering cavity 202, passes through the through hole 2032 on the side wall of the filtering cavity 202, passes through the oil-water separating material 21 covering the through hole 2032, finally enters the second cavity 2022, and then is discharged through the second port 2022 a; when the driving pump 111 rotates reversely, the liquid supplied from the liquid inlet device 10 enters the second cavity 2022 through the second port 2022a, then enters the first cavity 2021 through the oil-water separation material 21 and the through hole 2032, i.e., the oil-water separation material 21 is backwashed, and finally exits the test assembly 20 through the first port 2021 a.
The size and shape of the oil-water separating material 21 are not particularly limited, and may be selected according to the specific situation of the test, and referring to fig. 3, the oil-water separating material 21 may be square or circular. And if the oil-water separation material 21 has higher dirt-holding capacity or the impurity content under the test condition is less, the material can be tested for a long time to reach the service life, the test efficiency is influenced, and the flow area of the oil-water separation material 21 can be reasonably reduced aiming at the condition, so that the test time is shortened, and the test efficiency is improved.
Further, a pressing plate (not shown) is provided on the filtering chamber 202, and the oil-water separation material 21 covers the through hole 2032 through the pressing plate. Specifically, after the oil-water separation material 21 is fixed to the pressing plate to cover the through hole 2032, the edge of the pressing plate is pressed by a clip member, thereby further fixing the oil-water separation material 21.
According to an embodiment of the present invention, referring to fig. 1-4, the pressure gauge 30 includes a first pressure gauge 301 and a second pressure gauge 302, the first cavity 2021 is provided with the first pressure gauge 301, and the second cavity 2022 is provided with the second pressure gauge 302. Specifically, the pressure drop on both sides of the oil-water separation material 21 can be reflected by the pressure difference between the first pressure gauge 301 and the second pressure gauge 301, so that the total amount of the oil-water separation material 21 effectively filtered is tested, and the pollutant carrying capacity of the oil-water separation material 21 can be checked by combining the impurity concentration in the filter medium.
According to an embodiment of the present invention, referring to fig. 1-2, a flow meter 40 is provided on the first conduit 11 between the drive pump 111 and the first branch 60.
According to an embodiment of the present invention, referring to fig. 1-2, the liquid returning device 50 is connected to the second port 2022a through a second pipe 51, and the second pipe 51 is provided with a second flow valve 511. It should be noted that the liquid returning device 50 is used for containing the liquid filtered by the oil-water separation material, and the specific type is not particularly limited.
According to an embodiment of the present invention, referring to fig. 1 to 2, one end of the first branch 60 is connected to the first pipe 11 between the driving pump 111 and the first flow valve 112, and the other end is connected to the second port 2022a, and the third flow valve 601 is provided on the first branch 60. Meanwhile, the second branch 70 is respectively connected to the first port 2021a and the fluid returning device 50, and a fourth flow valve 701 is disposed on the second branch 70. Specifically, by arranging the third flow valve 601 on the first branch 60 and the fourth flow valve 701 on the second branch 70, the filtration test of the oil-water separation material 21 from outside to inside can be realized, the feasibility of backflushing of the oil-water separation material 21 in the use process, the service life and other factors can be further analyzed, and the optimization of the material in the actual use process is facilitated.
According to some embodiments of the present invention, referring to fig. 2, the analysis testing apparatus further includes an image capturing component 80, wherein the image capturing component 80 is disposed outside the testing component 20 and faces the oil-water separation material 21. The image acquisition assembly 80 is used for monitoring the whole filtering process of the oil-water separation material 21, specifically can observe the movement and aggregation process of impurities on the surface of the oil-water separation material 21, and is beneficial to performing supplementary analysis on the filtering performance of the oil-water separation material 21 from the mechanism angle.
According to some embodiments of the present invention, referring to fig. 2, the analytical test device further comprises a temperature test component 101, wherein the temperature test component 101 is disposed on the inlet device 10. Through setting up temperature test subassembly 101, and then make clear of the temperature condition of oil water separating material 21 capability test result to need to change the medium when the temperature rises more than 5 ℃ than the room temperature after the liquid medium circulates for a long time, avoid temperature drift to cause the influence to the test result.
From this, this testing arrangement can test the performance of oil-water separation material of different shapes and size to can reduce the area of overflowing of oil-water separation material, thereby reduce test time, improve efficiency of software testing, can optimize the usable floor area realization of oil-water separation material simultaneously and evaluate its life's optimization. The testing device can also perform filtration testing on the oil-water separation material from inside to outside and from outside to inside, and can analyze factors such as the possibility of backflushing and the service life of the oil-water separation material in the using process based on the control of the filtration direction of the oil-water separation material, thereby being beneficial to the optimization of the material in the actual using process; the flowmeter and the pressure gauge arranged in the device can synchronously test the total filtration amount and the pressure drop parameters of the oil-water separation material, so that the service life and the pollutant carrying capacity of the oil-water separation material are quantitatively analyzed. In conclusion, the device can realize the all-round test to the oil-water separation material, convenient operation, the function is various, and the test result is reliable to friendly to the environment, not producing the pollutant, low cost, separation efficiency height have good engineering application prospect.
In a second aspect of the invention, the invention provides a method for testing the performance of an oil-water separation material by using a performance analysis testing device of the oil-water separation material. Referring to fig. 5, the method includes:
s100: closing the third and fourth flow valves and opening the first and second flow valves
S200: the driving pump is started to rotate positively, liquid in the liquid inlet device enters the first cavity through the first port after passing through the first pipeline, then enters the filtering cavity, flows through the oil-water separation material to enter the second cavity, flows out of the second cavity through the second port and is supplied to the liquid return device, and the first pressure gauge and the second pressure gauge are monitored to monitor the display value at the same time
In this step, the driving pump 111 is started to rotate forward, the liquid in the liquid inlet device 10 enters the first cavity 2021 through the first port 2021a under the driving of the driving pump 111, then enters the filtering cavity 202, passes through the through hole 2032 on the side wall of the filtering cavity 202, passes through the oil-water separation material 21 covered on the through hole 2032, finally enters the second cavity 2022, is discharged through the second port 2022a, and then flows into the liquid returning device 50 through the second pipeline 51, in this process, the readings of the first pressure gauge 301 and the second pressure gauge 302 are monitored, when the difference between the readings of the first pressure gauge 301 and the second pressure gauge 302 reaches the first predetermined pressure difference, the filtering time and the flow rate are recorded, and the first total filtering flow rate of the separation material 21 for one time is calculated. Specifically, the first preset pressure difference is 0.05-0.1 MPa, and the total flow rate of the single first filtration is calculated by driving the instantaneous flow rate and the filtration time set by the pump 111.
S300: closing the first and second flow valves and opening the third and fourth flow valves
S400: the driving pump is started to reversely rotate, liquid in the liquid inlet device enters the second cavity through the second port after passing through the first branch, then enters the filtering cavity, flows through the oil-water separation material to enter the first cavity, flows out of the first cavity through the first port, and is supplied to the liquid return device through the second branch
In this step, the driving pump is turned on to reverse, the liquid supplied from the liquid inlet device 10 enters the second cavity 2022 through the second port 2022a after passing through the first branch 60, then enters the first cavity 2021 after passing through the oil-water separation material 21 and the through hole 2032, so as to backwash the oil-water separation material 21, finally returns to the liquid return device 50 through the second branch 70 after being discharged from the test assembly 20 through the first port 2021a, and stops after a predetermined time, which is a backwash process. Specifically, the preset time is 5-30 s.
S500: repeating the steps S100 and S200 until the first pressure table and the second pressure expression difference reach the first preset pressure difference and the recorded total flow of the oil-water separation material in the single filtration is lower than 30 percent of the total flow of the single first filtration
In the step, the steps S100 and S200 are repeated until the index difference value between the first pressure gauge 301 and the second pressure gauge 302 reaches a first predetermined pressure difference, specifically, the first predetermined pressure difference is 0.05 to 0.1MPa, and when the recorded total single-filtration flow of the oil-water separation material 21 is lower than 30% of the recorded total single-filtration flow, it is determined that the oil-water separation material 21 reaches the service life, the total filtration capacity of the oil-water separation material 21 and the impurity concentrations before and after filtration are counted, the interception or adsorption of how many impurities are commonly realized by the oil-water separation material 21 and the pollutant carrying capacity of the oil-water separation material 21 can be calculated by combining the filtration area of the oil-water separation material 21, and the total filtration capacity under the impurity concentration condition can reflect the service life of the oil-water separation material 21.
Further, in the process of testing the performance of the oil-water separation material 21 by using the performance analysis testing device for the oil-water separation material, the image acquisition assembly 80 is used for acquiring microscopic performance information on the oil-water separation material 21.
Therefore, the method can realize the all-dimensional test of the oil-water separation material, is convenient to operate, has various functions, reliable test results, environment-friendly and high separation efficiency, and is expected to be used for the oil-water separation material test problem related to various industries such as petrochemical industry and the like.
The invention will now be described with reference to specific examples, which are intended to be illustrative only and not to be limiting in any way.
Examples
Selecting a driving pump with the model number of shengxi 1515, wherein the flow range is as follows: 0-570 mL/min; the separating main body part in the testing component is a transparent organic glass product with the inner diameter of 40mm and the length of 100mm, and the separating main body part is processed and manufactured by the transparent organic glass with the thickness of 3 mm; the diameter of the filtering cavity is 30mm, the length of the filtering cavity is 60mm, the wall thickness of the filtering cavity is 0.5mm, a testing hole with the size of 10mm multiplied by 20mm is formed in the side wall of the filtering cavity, the size of the oil-water separation material is 30mm multiplied by 30mm, the oil-water separation material is installed at the position of the testing hole through a pressing plate, and the edge of the pressing plate is tightly pressed by a hose clamp with the inner diameter of 30 mm. The size of the pressing plate is 30mm in diameter and 40mm in length. Adjusting the flow of a driving pump to be 100 mL/min; the diesel oil and the water are mixed according to the mass ratio of 1000:1, span 80 with the concentration of 2 wt% is added as an active agent material, 5L of emulsion is prepared by ultrasonic oscillation for 10min, and the emulsion is placed in a liquid inlet tank.
The test procedure was as follows:
(1) closing the third flow valve and the fourth flow valve, and opening the first flow valve and the second flow valve;
(2) starting a driving pump to rotate forwardly, enabling emulsion in a liquid inlet tank to pass through a first pipeline and then enter a first cavity through a first port, then enter a filtering cavity and then flow through an oil-water separation material and enter a second cavity, enabling the emulsion to flow out of the second cavity through a second port and then be supplied to a liquid return device, monitoring the readings of a first pressure gauge and a second pressure gauge, recording filtering time and flow when the difference between the first pressure gauge and the second pressure gauge reaches 0.05MPa, and calculating the total flow of single first filtering through the oil-water separation material;
(3) closing the first flow valve and the second flow valve, and opening the third flow valve and the fourth flow valve;
(4) starting a driving pump to reversely rotate, enabling emulsion in the liquid inlet tank to pass through a first branch circuit and then enter a second cavity through a second port, then entering a filtering cavity and then flow through an oil-water separation material to enter the first cavity, then flowing out of the first cavity through the first port and then being supplied to the liquid return tank through the second branch circuit, and stopping after the time lasts for 5 s;
(5) repeating the steps (1) and (2) until the difference between the first pressure and the second pressure is 0.05MPa, the recorded total single-filtration flow of the oil-water separation material is lower than 30% of the first total filtration flow, the oil-water separation material is considered to reach the service life, the total filtration capacity of the oil-water separation material and the concentrations of impurities before and after filtration are counted, the interception or adsorption of a plurality of impurities and the pollutant carrying capacity of the oil-water separation material can be calculated by combining the filtration area of the oil-water separation material, and the total filtration capacity under the impurity concentration condition can reflect the service life of the oil-water separation material.
The device tests and analyses that the demulsification and filtration effect of the oil-water separation material can reach over 99 percent and the pollutant holding capacity is 5g/m2And the service life is 720 hours under the condition that the pollutant concentration of the filter medium is 1000 ppm.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. The utility model provides an oil-water separation material's performance analysis testing arrangement which characterized in that includes:
a liquid inlet device;
a test assembly, the test assembly comprising:
the liquid inlet device comprises a separation main body part, a liquid inlet device and a liquid outlet device, wherein the separation main body part is divided into a first cavity and a second cavity by a baffle, the baffle is provided with an opening, the first cavity is provided with a first port, the first port is connected with the liquid inlet device through a first pipeline, the first pipeline is provided with a driving pump, a flowmeter and a first flow valve, the driving pump can perform forward and reverse rotation switching, and the second cavity is provided with a second port;
the filtering cavity detachably penetrates through the openings and is arranged in the first cavity and the second cavity, one end, close to the first opening, of the filtering cavity is open, one end, close to the second opening, of the filtering cavity is closed, a through hole is formed in the side wall, located in the second cavity, of the filtering cavity, and an oil-water separation material is arranged on the side wall of the filtering cavity and covers the through hole;
the pressure gauge comprises a first pressure gauge and a second pressure gauge, the first pressure gauge is arranged on the first cavity, and the second pressure gauge is arranged on the second cavity;
a flow meter disposed on the first conduit between the drive pump and the first branch;
the liquid return device is connected with the second port through a second pipeline, and a second flow valve is arranged on the second pipeline;
one end of the first branch is connected with a first pipeline positioned between the driving pump and the first flow valve, the other end of the first branch is connected with the second port, and a third flow valve is arranged on the first branch;
and the second branch is respectively connected with the first port and the liquid return device, and a fourth flow valve is arranged on the second branch.
2. The analytical test device of claim 1, wherein a pressure plate is disposed on the filter chamber, and the oil-water separation material is fixed to cover the through hole through the pressure plate.
3. The analytical test device according to claim 1 or 2, further comprising an image acquisition assembly disposed outside the test assembly and facing the oil-water separation material.
4. The analytical test device of claim 1, further comprising a temperature test component disposed on the inlet means.
5. A method for testing the performance of an oil-water separation material by using the device of any one of claims 1-4, which comprises the following steps:
(1) closing the third flow valve and the fourth flow valve, and opening the first flow valve and the second flow valve;
(2) starting a driving pump to rotate forwards, enabling liquid in a liquid inlet device to enter a first cavity through a first port after passing through a first pipeline, then enter a filtering cavity, flow through an oil-water separation material to enter a second cavity, flow out of the second cavity through a second port, and then be supplied to a liquid return device, monitoring the readings of a first pressure gauge and a second pressure gauge, recording filtering time and flow when the difference between the first pressure gauge and the second pressure gauge reaches a preset pressure difference, and calculating the total flow of single first filtering by the oil-water separation material;
(3) closing the first flow valve and the second flow valve, and opening the third flow valve and the fourth flow valve;
(4) starting a driving pump to reversely rotate, enabling liquid in the liquid inlet device to pass through a first branch and then enter a second cavity through a second port, then enter a filtering cavity and then flow through the oil-water separation material to enter the first cavity, then flow out of the first cavity through the first port and then be supplied to the liquid return device through the second branch, and stopping after the preset time is continued;
(5) and (3) repeating the steps (1) and (2) until the difference between the first pressure table and the second pressure table reaches a first preset pressure difference and the recorded total flow of the oil-water separation material in single filtration is lower than 30% of the first total flow of filtration, determining that the oil-water separation material reaches the service life, and counting the total filtration flow of the oil-water separation material and the impurity concentrations before and after filtration.
6. The method according to claim 5, wherein in the step (2), the predetermined pressure difference is 0.05 to 0.1 MPa.
7. The method according to claim 5, wherein in the step (4), the predetermined time is 5 to 30 s.
8. The method of claim 5, further comprising collecting microscopic property information on the oil water separation material using an image collection assembly.
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| EP3822615A1 (en) * | 2019-11-18 | 2021-05-19 | Win&Tech S.r.l. | Equipment and process for executing filtration tests on a liquid |
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| RU2258213C1 (en) * | 2004-06-11 | 2005-08-10 | Федеральное государственное унитарное предприятие "25 Государственный научно-иследовательский институт Министерства обороны Российской Федерации (по применению топлив, масел, смазок и специальных жидкостей - ГосНИИ по химмотологии)" | Device for testing filtering material |
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| CN114778412B (en) | 2024-05-28 |
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