CN114602330A - Mineral turbine oil atom separation membrane filter core performance test system for power plant - Google Patents
Mineral turbine oil atom separation membrane filter core performance test system for power plant Download PDFInfo
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- CN114602330A CN114602330A CN202210209956.7A CN202210209956A CN114602330A CN 114602330 A CN114602330 A CN 114602330A CN 202210209956 A CN202210209956 A CN 202210209956A CN 114602330 A CN114602330 A CN 114602330A
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- 239000012528 membrane Substances 0.000 title claims abstract description 79
- 238000000926 separation method Methods 0.000 title claims abstract description 44
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 42
- 239000011707 mineral Substances 0.000 title claims abstract description 42
- 239000010723 turbine oil Substances 0.000 title claims abstract description 38
- 238000011056 performance test Methods 0.000 title claims abstract description 20
- 239000003921 oil Substances 0.000 claims abstract description 247
- 238000012360 testing method Methods 0.000 claims abstract description 73
- 230000007704 transition Effects 0.000 claims abstract description 41
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims description 194
- 238000000108 ultra-filtration Methods 0.000 claims description 3
- 239000010779 crude oil Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 8
- 238000009295 crossflow filtration Methods 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
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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
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
- B01D65/102—Detection of leaks in membranes
-
- 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
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- 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
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- 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
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/084—Testing filters
Abstract
The application discloses mineral turbine oil atom separation membrane filter core performance test system for power plant, including transition batch oil tank, oil pump and filter house, the filter house with the oil pump passes through defeated oil pipe way connection, the filter house includes mutually independent and first filter unit and the second filter unit through the pipe connection, first filter unit with the second filter unit loads has different membrane filter cores, and fluid can pass through alone first filter unit or the second filter unit is in order to carry out the test of different membrane filter cores, or fluid passes through first filter unit with series circuit, the parallel circuit that the second filter unit constitutes filters in order to carry out the mixed test and the contrast test of different membrane filter cores; the application can realize independent test, mixed test and contrast test of the membrane filter element under the same working condition, has rich and complete experimental data, and can effectively test pressure, efficiency, precision of the membrane filter element and a plurality of basic parameters such as filtered absolute oil quality.
Description
Technical Field
The application belongs to the technical field of thermal power generation equipment heat supply energy conservation, and particularly relates to a power plant mineral turbine oil atom separation membrane filter element performance test system.
Background
At present, the thermal power generation steam turbine unit operated in China comprises mineral turbine oil for steam turbine unit power plants such as fuel oil, gas and coal, and the like, and comprises the following components: #32, #34 lubricating oil; the special lubricating oil used as the bearing bush of the steam turbine is completely hooked with the running stability and reliability of a steam turbine unit, and is always an important guarantee for the safe and stable running of the unit. The prior on-line oil filter equipment adopts the process equipment for replacing the filter element to remove particles and water, has short service life and high replacement frequency, therefore, the performance test of the filter element is particularly important, the filter element can be conveniently screened out by the performance test of the filter element, in the process of testing the filter element, the filter element is required to be compared and tested at some times, however, most of the existing testing devices can only test one group of filter elements when in use, after two groups of filter elements with different specifications are separately tested, the test results of the two groups of filter elements are respectively taken down, then the two are compared, and the purification performances of the two are compared, so that the filter elements with different specifications need to be frequently replaced by testing personnel, the working intensity of workers is increased by acquiring multiple groups of data, and experimental data are easy to have larger errors.
Disclosure of Invention
To above-mentioned problem, this application embodiment provides a power plant is with mineral turbine oil atom separation membrane filter core capability test system, can solve current filter core test equipment and can only test a filter core on a machine and lead to frequently changing different specification filter cores inefficiency, the big defect of contrast result error, technical scheme is as follows:
the application provides a mineral turbine oil atom separation membrane filter element performance test system for a power plant, which comprises a transition oil storage tank, an oil pump and a filtering part, wherein the transition oil storage tank is used for storing oil, and the oil pump is connected with the transition oil storage tank and used for conveying oil into the system; the filtering part is connected with the oil pump through an oil conveying pipeline to filter the oil, and the filtered oil flows back into the transition oil storage tank through a return pipeline to realize the circulating flow of the oil in the system; wherein, the filter house includes mutually independent and first filter cell and the second filter cell through the pipe connection, first filter cell with the second filter cell loads different membrane filter cores, and fluid can pass through alone first filter cell or pass through alone the second filter cell is in order to carry out the independent test of different membrane filter cores, or fluid passes through first filter cell with the series circuit that the second filter cell is constituteed filters the mixed test in order to carry out different membrane filter cores, or fluid passes through first filter cell with the parallel circuit that the second filter cell is constituteed filters the contrast test in order to carry out different membrane filter cores.
For example, in the system for testing performance of a mineral turbine oil atomic separation membrane filter element for a power plant provided in one embodiment, the oil delivery pipeline includes a first oil delivery branch for delivering oil to the first filtering unit and a second oil delivery branch for delivering oil to the second filtering unit, and the return pipeline includes a first filtering unit return pipeline for returning oil to the transition oil storage tank via the first filtering unit and a second filtering unit return pipeline for returning oil to the transition oil storage tank via the second filtering unit.
For example, in the performance test system for the mineral turbine oil atom separation membrane filter element for the power plant provided by one embodiment, the first filtering unit includes a first filtering unit upper circulation cabin, a first filtering unit filter element cabin and a first filtering unit lower circulation cabin which are sequentially connected and communicated, an oil inlet of the first filtering unit upper circulation cabin is arranged on one side of the first filtering unit upper circulation cabin, and the oil inlet of the first filtering unit upper circulation cabin is connected with the first oil delivery branch to deliver oil to the first filtering unit; the second filtering unit comprises a second filtering unit upper circulation cabin, a second filtering unit filter element cabin and a second filtering unit lower circulation cabin which are sequentially connected and communicated, wherein a second filtering unit upper circulation cabin oil inlet is formed in one side of the second filtering unit upper circulation cabin, and the second filtering unit upper circulation cabin oil inlet is connected with the second oil delivery branch so as to deliver oil to the second filtering unit.
For example, in an embodiment, in the performance test system for the mineral turbine oil atom separation membrane filter element for a power plant, a first filtering unit input valve is arranged on the first oil transportation branch, and a oil transportation pipeline switching valve and a second filtering unit input valve are arranged on the second oil transportation branch.
For example, in the performance test system for the mineral turbine oil atomic separation membrane filter element for a power plant provided in one embodiment, the first filter unit return line includes a first return branch and a second return branch, a first filter unit lower circulation chamber outlet is provided at one side of the first filter unit lower circulation chamber, the first filter unit lower circulation chamber outlet is connected to the first return branch for returning oil to the transition oil storage tank, a first filter unit clean oil outlet is provided at one side of the first filter unit filter element chamber, and the first filter unit clean oil outlet is connected to the second return branch for returning clean oil filtered by the first filter unit to the transition oil storage tank; second filter unit return line includes third backward flow branch road and fourth backward flow branch road second filter unit lower circulation cabin one side is equipped with the export of second filter unit lower circulation cabin, second filter unit lower circulation cabin export with third backward flow branch road is connected, with to transition batch oil case backward flow fluid second filter unit filter core cabin one side is equipped with the export of second filter unit net oil, second filter unit net oil export with fourth backward flow branch road is connected, with to transition batch oil case backward flow via the filterable net oil of second filter unit.
For example, in the performance test system for the mineral turbine oil atomic separation membrane filter element for a power plant provided in one embodiment, a first filtering unit output valve is disposed on the first return branch, a first filtering unit clean oil output valve is disposed on the second return branch, a second filtering unit output valve is disposed on the third return branch, a second filtering unit clean oil output valve is disposed on the fourth return branch, and a return line switching valve is disposed on the return line.
For example, in an embodiment, the system for testing the performance of the mineral turbine oil atomic separation membrane filter element for the power plant further comprises a serial pipeline communicating the first filtering unit and the second filtering unit, so as to perform a mixing test of different membrane filter elements.
For example, in the system for testing the performance of the mineral turbine oil atomic separation membrane filter element for the power plant provided by one embodiment, the first return branch connected with the outlet of the lower circulation cabin of the first filtering unit is communicated with the third return branch connected with the outlet of the lower circulation cabin of the second filtering unit, so that oil flows into the second filtering unit through the first filtering unit to form a series circuit.
For example, in the performance test system for the mineral turbine oil atom separation membrane filter element for the power plant provided by one embodiment, the performance test system further includes a serial return line, the oil inlet of the upper circulation cabin of the second filtering unit is connected with the serial return line, and a serial return line changeover valve is arranged on the serial return line.
For example, in the system for testing the performance of the mineral turbine oil atomic separation membrane filter element for the power plant provided by one embodiment, an oil pump output valve is arranged on the oil conveying pipeline.
For example, in one embodiment, the performance test system for the power plant mineral turbine oil atom separation membrane cartridge is provided, and the membrane cartridge is an ultrafiltration grade porous cross-flow cartridge.
The utility model provides a beneficial effect that mineral turbine oil atom separation membrane filter core capability test system for power plant brought does: the application can realize the independent test, the mixed test and the contrast test of the membrane filter element under the same working condition by arranging two filter units, the application can realize the independent test, the mixed test and the contrast test of the membrane filter element under the same working condition by installing the membrane filter elements with different types, different materials, different precisions, different bubble pressures and different preparation processes in the first filter unit and the second filter unit, and the two filter units can form a parallel loop or a serial loop, thereby overcoming the defects that the efficiency is low and the error of the contrast result is large because the traditional filter element test equipment can only test one filter element on one machine, the filter elements with different specifications are frequently replaced, the application can simultaneously test two different membrane filter elements on one machine to carry out the intuitive contrast test, and separately and independently test different membrane filter elements, and the working efficiency is greatly improved, and the experimental data are rich and complete, and a plurality of basic parameters such as pressure, efficiency, precision and filtered clean oil quality of the membrane filter element can be effectively tested.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a performance testing system for a mineral turbine oil atom separation membrane filter element for a power plant according to the application.
Reference numerals: 100-transition oil storage tank, 200-oil pump, 300-filter part, 310-first filter unit, 311-first filter unit upper circulation tank, 3111-first filter unit upper circulation tank oil inlet, 312-first filter unit cartridge tank, 3121-first filter unit clean oil outlet, 313-first filter unit lower circulation tank, 3131-first filter unit lower circulation tank outlet, 320-second filter unit, 321-second filter unit upper circulation tank, 3211-second filter unit upper circulation tank oil inlet, 322-second filter unit cartridge tank, 3221-second filter unit clean oil outlet, 323-second filter unit lower circulation tank, 3231-second filter unit lower circulation tank outlet, 400-oil pipeline, 401-oil pump output valve, 410-first oil delivery branch, 411-first filter unit inlet valve, 420-second oil delivery branch, 421-second filter unit inlet valve, 422-oil delivery line changeover valve, 500-return line, 501-return line changeover valve, 510-first filter unit return line, 511-first return line, 5111-first filter unit outlet valve, 512-second return line, 5121-first filter unit clean oil outlet valve, 520-second filter unit return line, 521-third return line, 5211-second filter unit outlet valve, 522-fourth return line, 5221-second filter unit clean oil outlet valve, 600-series return line, 601-series return line changeover valve.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The application provides a mineral turbine oil atom separation membrane filter core performance test system for power plant, including transition batch oil tank 100, oil pump 200 and filter 300, transition batch oil tank 100 is used for storing fluid, oil pump 200 with transition batch oil tank 100 is connected, is used for to carry fluid in the system; the filtering part 300 is connected with the oil pump 200 through an oil pipeline 400 to filter the oil, and the filtered oil flows back into the transition oil storage tank 100 through a return pipeline 500 to realize the circulating flow of the oil in the system; wherein, the filter part 300 includes mutually independent and first filter unit 310 and second filter unit 320 through the pipe connection, first filter unit 310 with the loading of second filter unit 320 has different membrane filter cores, and fluid can pass through alone first filter unit 310 or pass through alone second filter unit 320 is in order to carry out the independent test of different membrane filter cores, or fluid passes through first filter unit 310 with the series circuit that second filter unit 320 constitutes filters in order to carry out the mixed test of different membrane filter cores, or fluid passes through first filter unit 310 with the parallel circuit that second filter unit 320 constitutes filters in order to carry out the contrast test of different membrane filter cores.
For example, in the system for testing the performance of the atomic separation membrane cartridge for mineral turbine oil for power plants according to an embodiment, the oil delivery line 400 includes a first oil delivery branch 410 for delivering oil to the first filtering unit 310 and a second oil delivery branch 420 for delivering oil to the second filtering unit 320, and the return line 500 includes a first filtering unit return line 510 for returning oil to the transition oil storage tank 100 via the first filtering unit 310 and a second filtering unit return line 520 for returning oil to the transition oil storage tank 100 via the second filtering unit 320.
For example, in the performance test system for the mineral turbine oil atomic separation membrane filter element for power plants provided in an embodiment, the first filtering unit 310 includes a first filtering unit upper circulation cabin 311, a first filtering unit filter element cabin 312, and a first filtering unit lower circulation cabin 313, which are sequentially connected and communicated, a first filtering unit upper circulation cabin oil inlet 3111 is arranged at one side of the first filtering unit upper circulation cabin 311, and the first filtering unit upper circulation cabin oil inlet 3111 is connected with the first oil transportation branch 410 to transport oil to the first filtering unit 310; the second filtering unit 320 comprises a second filtering unit upper circulation cabin 321, a second filtering unit filter element cabin 322 and a second filtering unit lower circulation cabin 323 which are sequentially connected and communicated, a second filtering unit upper circulation cabin oil inlet 3211 is formed in one side of the second filtering unit upper circulation cabin 321, and the second filtering unit upper circulation cabin oil inlet 3211 is connected with the second oil transportation branch 420 to convey oil to the second filtering unit 320.
For example, in the performance testing system for the mineral turbine oil atomic separation membrane filter element for a power plant provided in one embodiment, a first filtering unit input valve 411 is disposed on the first oil transportation branch 410, and a delivery pipeline switching valve 422 and a second filtering unit input valve 421 are disposed on the second oil transportation branch 420.
For example, in the system for testing the performance of the mineral turbine oil atomic separation membrane cartridge for power plants provided in one embodiment, the first filtering unit return line 510 includes a first return branch 511 and a second return branch 512, a first filtering unit lower circulation tank outlet 3131 is provided at a side of the first filtering unit lower circulation tank 313, the first filtering unit lower circulation tank outlet 3131 is connected to the first return branch 511 to return oil to the transition oil storage tank 100, a first filtering unit clean oil outlet 3121 is provided at a side of the first filtering unit cartridge 312, and the first filtering unit clean oil outlet 3121 is connected to the second return branch 512 to return clean oil filtered by the first filtering unit 310 to the transition oil storage tank 100; second filter unit return line 520 includes third backward flow branch 521 and fourth backward flow branch 522 second filter unit lower circulation cabin 323 one side is equipped with second filter unit lower circulation cabin export 3231, second filter unit lower circulation cabin export 3231 with third backward flow branch 521 is connected, in order to transition oil storage tank 100 backward flow fluid second filter unit filter element cabin 322 one side is equipped with second filter unit net oil export 3221, second filter unit net oil export 3221 with fourth backward flow branch 522 is connected, in order to transition oil storage tank 100 backward flow via the net oil that second filter unit 320 filtered.
For example, in the performance test system for the mineral turbine oil atomic separation membrane filter element for a power plant provided in one embodiment, a first filtering unit output valve 5111 is disposed on the first return branch 511, a first filtering unit clean oil output valve 5121 is disposed on the second return branch 512, a second filtering unit output valve 5211 is disposed on the third return branch 521, a second filtering unit clean oil output valve 5221 is disposed on the fourth return branch 522, and a return line switching valve 501 is disposed on the return line 500.
For example, in one embodiment, the system for testing the performance of the plant mineral turbine oil atomic separation membrane cartridge further includes a serial pipeline connecting the first filtering unit 310 and the second filtering unit 320, so as to perform a mixing test of different membrane cartridges.
For example, in the system for testing the performance of the oil atom separation membrane filter element of the mineral turbine for power plants provided by one embodiment, the first return branch 511 connected with the outlet 3131 of the lower circulation chamber of the first filtering unit is communicated with the third return branch 521 connected with the outlet 3231 of the lower circulation chamber of the second filtering unit, so that oil flows into the second filtering unit 320 through the first filtering unit 310 to form a series circuit.
For example, in the performance test system for the mineral turbine oil atom separation membrane filter element for a power plant provided by an embodiment, the system further includes a serial return line 600, the oil inlet 3211 of the upper circulation compartment of the second filtering unit is connected to the serial return line 600, and a serial return line changeover valve 601 is arranged on the serial return line 600.
For example, in the system for testing the performance of the plant mineral turbine oil atom separation membrane filter element provided by one embodiment, an oil pump output valve 401 is arranged on the oil pipeline 400.
For example, in one embodiment, the performance test system for the power plant mineral turbine oil atom separation membrane cartridge is provided, wherein the membrane cartridge is an ultrafiltration grade porous cross-flow cartridge.
The application of the system for testing the performance of the mineral turbine oil atom separation membrane filter element for the power plant comprises the following specific operation flows:
when the first filtering unit 310 is independently used for testing the atomic separation membrane filter element, a filter element to be tested is loaded in the first filtering unit 310, and then crude oil filtering test is carried out, wherein the specific operation process is as follows: filling the transitional oil storage tank 100 with crude oil, starting the oil pump 200, allowing the crude oil to enter the oil pump 200 from the transitional oil storage tank 100, opening the oil pump output valve 401 on the oil pipeline 400 and the first filtering unit input valve 411 on the first oil transportation branch 410, allowing the crude oil to enter the first filtering unit upper circulation tank 311 through the first filtering unit upper circulation tank oil inlet 3111, allowing the crude oil to flow through the first filtering unit filter element tank 312 and enter the first filtering unit lower circulation tank 313, sequentially opening the first filtering unit output valve 5111 on the first return branch 511 of the first filtering unit return pipeline 510 and the return pipeline switching valve 501 on the return pipeline 500, allowing the oil to enter the first return branch 511 through the first filtering unit lower circulation tank outlet 3131, and allowing the oil to flow back into the transitional oil storage tank 100 through the return pipeline switching valve 501; in the process of the independent operation and circulation filtration of the first filtering unit 310, the crude oil is subjected to filter element cross-flow filtration through the first filtering unit filter element cabin 312, the filtered clean oil is gathered in the first filtering unit filter element cabin 312, when the pressure of the first filtering unit filter element cabin 312 and the pressure of the first return branch 511 both reach 0.25MPa, the first filtering unit clean oil output valve 5121 is opened, and the filtered clean oil enters the second return branch 512 through the first filtering unit clean oil outlet 3121 and then returns to the transition oil storage tank 100;
when the second filtering unit 320 is independently used for testing the atomic separation membrane filter element, a filter element to be tested is loaded in the first filtering unit 320, and then crude oil filtering test is carried out, wherein the specific operation process is as follows: filling crude oil in the transition oil storage tank 100, starting the oil pump 200, allowing the crude oil to enter the oil pump 200 from the transition oil storage tank 100, opening the oil pump output valve 401 on the oil pipeline 400, and the oil pipeline changeover valve 422 and the second filter unit input valve 421 on the second oil pipeline 420, allowing the crude oil to enter the second filter unit upper circulation tank 321 through the oil inlet 3211 of the second filter unit upper circulation tank, flow through the second filter unit cartridge tank 322 to enter the second filter unit lower circulation tank 323, sequentially opening the second filter unit output valve 5211 on the third return branch 521 of the second filter unit return pipeline 520 and the return pipeline changeover valve 501 on the return pipeline 500, allowing the oil to enter the third return branch 521 through the second filter unit lower circulation tank outlet 3231, and then returning to the transition oil storage tank 100 through the return pipeline changeover valve 501; in the process of the second filtering unit 320 operating independently and circulating filtering, the crude oil is subjected to filter element cross-flow filtering through the second filtering unit filter element cabin 322, the filtered clean oil is gathered in the second filtering unit filter element cabin 322, when the pressure of the second filtering unit filter element cabin 322 and the pressure of the third return branch 521 reach 0.25MPa, the second filtering unit clean oil output valve 5221 is opened, and the filtered clean oil enters the fourth return branch 522 through the second filtering unit clean oil outlet 3221 and then returns to the transition oil storage tank 100;
when the performance of two different filter elements needs to be tested in the first filtering unit 310 and the second filtering unit 320 respectively and simultaneously and the two filter elements need to be tested under the same working condition, different filter elements to be tested are loaded in the first filtering unit 310 and the second filtering unit 320 respectively, and then crude oil filtering test is carried out, wherein the specific operation process is as follows: filling the transitional oil storage tank 100 with crude oil, starting the oil pump 200, allowing the crude oil to enter the oil pump 200 from the transitional oil storage tank 100, opening the oil pump output valve 401 on the oil pipeline 400, the oil pipeline switching valve 422 on the first oil pipeline 410, the oil pipeline switching valve 422 on the second oil pipeline 420 and the second filter unit input valve 421, allowing the crude oil to be distributed to the first filter unit 310 and the second filter unit 320, allowing the crude oil distributed to the first filter unit 310 to enter the first filter unit upper circulation tank 311 through the first filter unit upper circulation tank oil inlet 3111, allowing the crude oil to flow through the first filter unit filter element tank 312 to enter the first filter unit lower circulation tank 313, and sequentially opening the first filter unit output valve 5111 on the first return pipeline 511 of the first filter unit return pipeline 510 and the return pipeline switching valve 501 on the return pipeline 500, oil enters the first return branch 511 through the outlet 3131 of the first filter unit lower circulation chamber, and then returns to the transition oil tank 100 through the return line switching valve 501; the crude oil diverted to the second filtering unit 320 enters the second filtering unit upper circulation cabin 321 through the second filtering unit upper circulation cabin oil inlet 3211, flows through the second filtering unit filter element cabin 322 to enter the second filtering unit lower circulation cabin 323, sequentially opens the second filtering unit output valve 5211 on the third return branch 521 of the second filtering unit return pipeline 520 and the return pipeline switching valve 501 on the return pipeline 500, and the oil enters the third return branch 521 through the second filtering unit lower circulation cabin outlet 3231 and then flows back to the transition oil storage tank 100 through the return pipeline switching valve 501; in the circulating filtration process of the first filtration unit 310, crude oil is subjected to filter element cross-flow filtration through the first filtration unit filter element cabin 312, filtered clean oil is gathered in the first filtration unit filter element cabin 312, when the pressure of the first filtration unit filter element cabin 312 and the pressure of the first return branch 511 both reach 0.25MPa, the first filtration unit clean oil output valve 5121 is opened, and the filtered clean oil enters the second return branch 512 through the first filtration unit clean oil outlet 3121 and then returns to the transitional oil storage tank 100; in the circulating filtration process of the second filtration unit 320, the crude oil is subjected to filter element cross-flow filtration through the second filtration unit filter element cabin 322, the filtered clean oil is gathered in the second filtration unit filter element cabin 322, when the pressure of the second filtration unit filter element cabin 322 and the pressure of the third return branch 521 reach 0.25MPa, the second filtration unit clean oil output valve 5221 is opened, and the filtered clean oil enters the fourth return branch 522 through the second filtration unit clean oil outlet 3221 and then returns to the transition oil storage tank 100;
when two different membrane filter element series tests are needed to compare the performance and the using effect of different filter elements, the first filtering unit 310 and the second filtering unit 320 can be connected in series, and different filter elements to be tested are respectively loaded in the first filtering unit 310 and the second filtering unit 320, so that crude oil sequentially passes through the first filtering unit 310 and the second filtering unit 320, and the specific operation process is as follows: firstly, filling the transitional oil storage tank 100 with crude oil, starting the oil pump 200, feeding the crude oil from the transitional oil storage tank 100 into the oil pump 200, opening the oil pump output valve 401 on the oil delivery pipeline 400 and the first filter unit input valve 411 on the first oil delivery branch 410, feeding the crude oil into the first filter unit upper circulation cabin 311 through the first filter unit upper circulation cabin oil inlet 3111, feeding the crude oil into the first filter unit upper circulation cabin 311 through the first filter unit filter element cabin 312, feeding the crude oil into the first filter unit lower circulation cabin 313, opening the first filter unit output valve 5111 on the first return branch 511 of the first filter unit return pipeline 510 and the second filter unit output valve 5211 on the third return branch 521 of the second filter unit return pipeline 520, feeding the crude oil into the third return branch 521 through the first filter unit lower circulation cabin outlet 3131, and feeding the crude oil into the second filter unit lower circulation cabin 323 through the second filter unit lower circulation cabin outlet 3231, the oil flows through the second filter unit filter element cabin 322 and enters the second filter unit upper circulation cabin 321, the second filter unit input valve 421 and the series return pipeline switching valve 601 on the series return pipeline 600 are sequentially opened, and the oil flows into the series return pipeline 600 through the second filter unit upper circulation cabin oil inlet 3211 and then flows back to the transition oil storage tank 100; in the circulating filtration process of the first filtration unit 310 and the second filtration unit 320, crude oil is subjected to filter element cross-flow filtration through the first filtration unit filter element cabin 312 and the second filtration unit filter element cabin 322, filtered clean oil is gathered in the first filtration unit filter element cabin 312 and the second filtration unit filter element cabin 322, when the pressure of the first filtration unit filter element cabin 312 and the second filtration unit filter element cabin 322 and the pressure of the first backflow branch 511 and the third backflow branch 521 reach 0.25MPa, the first filtration unit clean oil output valve 5121 is opened, the filtered clean oil enters the second backflow branch 512 through the first filtration unit clean oil outlet 3121 and then flows back into the transition oil storage tank 100, the second filtration unit clean oil output valve 5221 is opened, and the filtered clean oil enters the fourth backflow branch 522 through the second filtration unit clean oil outlet 3221, and then back to the transition oil reservoir 100.
The application can realize the independent test, the mixed test and the contrast test of the membrane filter element under the same working condition by arranging the two filtering units, membrane cartridges of different types, different materials, different precisions, different bubble pressures and different preparation processes are loaded in the first filtering unit 310 and the second filtering unit 320, and the two filter units can form a parallel loop or a series loop, so that the defects of low efficiency and large error of comparison results caused by frequently replacing filter elements with different specifications because the traditional filter element testing equipment can only test one filter element on one machine are overcome, the application can realize that two different membrane filter elements are simultaneously tested on one machine to carry out an intuitive comparison experiment, and separately and independently test different membrane filter cores, the working efficiency is greatly improved, the experimental data is rich and complete, and multiple basic parameters such as the pressure, the efficiency, the precision and the filtered oil purification quality of the membrane filter cores can be effectively tested.
Although embodiments of the present application have been disclosed for illustrative purposes, those skilled in the art will recognize that: various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Claims (11)
1. The utility model provides a mineral turbine oil atom separation membrane filter core capability test system for power plant which characterized in that includes:
the transition oil storage tank is used for storing oil;
the oil pump is connected with the transition oil storage tank and is used for conveying oil into the system;
the filtering part is connected with the oil pump through an oil pipeline to filter the oil, and the filtered oil flows back into the transition oil storage tank through a return pipeline to realize the circulating flow of the oil in the system;
wherein, the filter house includes mutually independent and first filter cell and the second filter cell through the pipe connection, first filter cell with the second filter cell loads different membrane filter cores, and fluid can pass through alone first filter cell or pass through alone the second filter cell is in order to carry out the independent test of different membrane filter cores, or fluid passes through first filter cell with the series circuit that the second filter cell is constituteed filters the mixed test in order to carry out different membrane filter cores, or fluid passes through first filter cell with the parallel circuit that the second filter cell is constituteed filters the contrast test in order to carry out different membrane filter cores.
2. The power plant mineral turbine oil atom separation membrane cartridge performance testing system of claim 1, wherein the oil delivery line comprises a first oil delivery branch for delivering oil to the first filtration unit and a second oil delivery branch for delivering oil to the second filtration unit, and the return line comprises a first filtration unit return line for returning to the transition oil storage tank via the first filtration unit and a second filtration unit return line for returning to the transition oil storage tank via the second filtration unit.
3. The system for testing the performance of the oil atom separation membrane filter element of the mineral turbine for the power plant according to claim 2, wherein the first filtering unit comprises a first filtering unit upper circulation cabin, a first filtering unit filter element cabin and a first filtering unit lower circulation cabin which are sequentially connected and communicated, an oil inlet of the first filtering unit upper circulation cabin is arranged on one side of the first filtering unit upper circulation cabin, and the oil inlet of the first filtering unit upper circulation cabin is connected with the first oil delivery branch so as to deliver oil to the first filtering unit; the second filter unit comprises a second filter unit upper circulation cabin, a second filter unit filter element cabin and a second filter unit lower circulation cabin which are sequentially connected and communicated, wherein an oil inlet of the second filter unit upper circulation cabin is formed in one side of the second filter unit upper circulation cabin, and an oil inlet of the second filter unit upper circulation cabin is connected with the second oil transportation branch so as to convey oil to the second filter unit.
4. The power plant mineral turbine oil atom separation membrane filter element performance testing system of claim 3, wherein a first filtering unit input valve is arranged on the first oil transportation branch, and an oil transportation pipeline switching valve and a second filtering unit input valve are arranged on the second oil transportation branch.
5. The system for testing the performance of the oil atom separation membrane filter element of the mineral turbine for the power plant as claimed in claim 3, wherein the first filtering unit return pipeline comprises a first return branch and a second return branch, a first filtering unit lower circulation chamber outlet is arranged on one side of the first filtering unit lower circulation chamber, the first filtering unit lower circulation chamber outlet is connected with the first return branch to return oil to the transition oil storage tank, a first filtering unit clean oil outlet is arranged on one side of the first filtering unit filter element chamber, and the first filtering unit clean oil outlet is connected with the second return branch to return clean oil filtered by the first filtering unit to the transition oil storage tank; second filter unit return line includes third backward flow branch road and fourth backward flow branch road second filter unit lower circulation cabin one side is equipped with the export of second filter unit lower circulation cabin, second filter unit lower circulation cabin export with third backward flow branch road is connected, with to transition batch oil case backward flow fluid second filter unit filter core cabin one side is equipped with the export of second filter unit net oil, second filter unit net oil export with fourth backward flow branch road is connected, with to transition batch oil case backward flow via the filterable net oil of second filter unit.
6. The system for testing the performance of the oil atom separation membrane filter element of the mineral turbine for the power plant as recited in claim 5, wherein a first filtering unit output valve is disposed on the first return branch, a first filtering unit clean oil output valve is disposed on the second return branch, a second filtering unit output valve is disposed on the third return branch, a second filtering unit clean oil output valve is disposed on the fourth return branch, and a return line switching valve is disposed on the return line.
7. The power plant mineral turbine oil atom separation membrane cartridge performance testing system of claim 3, further comprising a series line communicating the first filtration unit and the second filtration unit for performing a hybrid test of different membrane cartridges.
8. The power plant mineral turbine oil atom separation membrane filter element performance testing system of claim 7, wherein the first return branch connected with the outlet of the first filtering unit lower circulation cabin is communicated with the third return branch connected with the outlet of the second filtering unit lower circulation cabin, so that oil flows into the second filtering unit through the first filtering unit to form a series loop.
9. The power plant mineral turbine oil atom separation membrane filter element performance testing system of claim 8, further comprising a serial return line, wherein the second filter unit upper circulation bin oil inlet is connected with the serial return line, and a serial return line switching valve is arranged on the serial return line.
10. The power plant mineral turbine oil atom separation membrane filter element performance test system of claim 1, characterized in that an oil pump output valve is arranged on the oil pipeline.
11. The power plant mineral turbine oil atom separation membrane filter element performance testing system of claim 1, wherein the membrane filter element is an ultrafiltration grade porous cross-flow atom separation membrane filter element.
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| CN202210209956.7A CN114602330A (en) | 2022-03-04 | 2022-03-04 | Mineral turbine oil atom separation membrane filter core performance test system for power plant |
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