CN1663665A - Method for detecting service life of filtering core for water purifier - Google Patents
Method for detecting service life of filtering core for water purifier Download PDFInfo
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- CN1663665A CN1663665A CN 200410016717 CN200410016717A CN1663665A CN 1663665 A CN1663665 A CN 1663665A CN 200410016717 CN200410016717 CN 200410016717 CN 200410016717 A CN200410016717 A CN 200410016717A CN 1663665 A CN1663665 A CN 1663665A
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- compression pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 title 1
- 230000006835 compression Effects 0.000 claims description 51
- 238000007906 compression Methods 0.000 claims description 51
- 238000000746 purification Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The invention discloses a filter core life detecting method for water clarifier. It is characterized in that the control equipment sends out pressure-pump running and stopping signals to the pump driving equipment through internal falling and upper water-level signals collected by water clarifier level measuring equipment; then it converses the above running-to-stopping time of water making to the filter core life segment value and stores it in the information storage equipment in time and displays it on the displayer; at last it compares the above segment value with the pre-set value, start the first the step if the segment value is not up to the pre-set value, or change the filter core and re-start after diaplasis. Because the water making time reflecting the filter core blocking state given the water resource pressure, so the control equipment can inform the operating state of the filter core according to the compared results to ensure the quality of the clarified water.
Description
Technical field
The present invention relates to a kind of filter element life detecting method, especially refer to the filter element life detecting method that a kind of water purifier is used.
Background technology
The water purifier of existing band compression pump is that the former water with running water and so on pressurizes through compression pump, makes it reach certain pressure, remove various harmful substances in the water by filter core again after, flow in the clear water tanks, directly drink for people.And the control of compression pump is the signal that collects with condensate tank of dehumidifier in the clear water tanks and the device for detecting water pressure on the feed pipe, come the startup or the stop of controlled pressure pump by control device, as publication number be just disclosed in " apparatus for controlling pump of water purifier " of CN1163791A so a kind of control method of compression pump, wherein control device is a microcomputer, when the water in the clear water tanks is in full-water level, control device sends into one to pump drive simultaneously and makes the out-of-work control signal of compression pump giving signal of cutting out feed water valve of valve starting drive.When the water in the clear water tanks is in low water level, control device is sent into a control signal of opening feed water valve to the valve starting drive, the former water hydraulic signal of device for detecting water pressure detection is simultaneously given control device, if hydraulic signal is zero, then control device stops the control signal of compression pump running to one of pump drive; If hydraulic signal is normal or low-pressure, then control device is given the control signal of a running compression pump of pump drive.Therefore adopt the control method of above-mentioned compression pump, can reduce the running number of times of compression pump, shorten the required time of former water that purifies, and prolonged service life of compression pump, but in the said apparatus, if hypertonia in the pipeline of compression pump outlet, the stop of the uncontrollable compression pump of this control device, thus influence the working life of compression pump; In addition, particularly importantly this control device can't detect the service life of filter core, so that at needs more under the situation of renew cartridge, compression pump is still in normal startup, and this has not only influenced the purifying water effect of water purifier, has also seriously influenced the healthy of people.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned prior art present situation, detects filter element life and guarantee the filter element life detecting method that the water purifier of purifying water effect is used in system water process and provide a kind of.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the filter element life detecting method that this water purifier is used is mainly realized by following four steps:
1. water level signal down in the clear water tanks that collects by the water purification condensate tank of dehumidifier of control device is sent the control signal of running compression pump to pump drive, picks up counting simultaneously;
2. go up water level signal in the clear water tanks that control device collects by the water purification condensate tank of dehumidifier, send the control signal of compression pump stop to pump drive, timing simultaneously stops;
3. control device begins to become the filter element life segment value to the system water time conversion that timing finishes according to above-mentioned timing, then it is saved to information-storing device in real time, and shows in display unit;
4. above-mentioned filter element life segment value is compared with the life-span preset value, if no show life-span preset value, then went to for the 1. step; Otherwise, more renew cartridge, went to again after resetting for the 1. step.
Simultaneously, for timely reminds people, described the 4. in the step, when described filter element life segment value arrives the life-span during preset value, the number of times of this filter element life segment value and arrival life-span preset value is saved in the information-storing device, and described control device sends the more alarm signal of renew cartridge.
Consider making full use of to filter core, when sending above-mentioned alarm signal, can also be provided with a delay function, be that the number of times that alarm signal is sent is compared number with set point number, if alarm times surpasses set point number, then control device enters guard mode, filter core to be replaced, reset after, went to for the 1. step again; Otherwise, the number of times that is kept at the filter element life segment value in the information-storing device and arrives the life-span preset value is carried out Refresh Data, and when sending alarm signal, went to for the 1. step.
The delay function of above-mentioned setting also can be realized in the following manner: the setting pressure pump lengthens working hours in described control device, send the alarm signal of renew cartridge more at described control device and rise in the time period at the end of lengthening working hours to the setting of compression pump, more renew cartridge, went to again after resetting for the 1. step.
In addition, in order to protect effective running of compression pump, before 1. above-mentioned the went on foot compression pump and start, control device can also be gathered water level signal in the raw water box by the raw water box condensate tank of dehumidifier, if lack of water in the raw water box, then compression pump does not start; Equally, the pressure signal in the water making pipe road that control device can also link to each other by the outlet of pressure-detecting device collection and compression pump, if the interior overvoltage of water making pipe, then control device does not send the compression pump enabling signal to pump drive yet.
In the above-mentioned the system water process that 1. goes on foot after compression pump starts, if control device collects the interior lack of water signal of raw water box that former water condensate tank of dehumidifier transmits, then control device can send the control signal of compression pump stop to pump drive, the while timing pause TP, and keep the present timing value, treat that raw water box has water after, described control device sends the compression pump enabling signal to pump drive, on the clocking value basis that keeps, add up simultaneously, after went to for the 2. step.
In the above-mentioned the system water process that 1. goes on foot after compression pump starts; during overvoltage signal in described control device collects the water making pipe road that pressure-detecting device transmits with the compression pump outlet links to each other; then described control device can also send the control signal of compression pump stop to pump drive; timing simultaneously stops; and the overvoltage data are saved in the information-storing device; control device enters in the guard mode, goes to for the 1. step until renew cartridge more, after resetting.
Compared with prior art, the invention has the advantages that: because under given source pressure, the system water time has been reflected the blockage of filter core, stops up serious more, then resistance is big more, the system water time is long more, therefore, and the filter element life segment value that control device becomes by this system water time conversion, and with after the life-span preset value is compared, can make people in time know the user mode of filter core and renew cartridge more as required,, thereby people are drunk relievedly with the water quality after guaranteeing to purify.Only adopting in addition at clear water tanks lack of water, raw water box has water and water making pipe road not to have under the state that overvoltage, filter element life do not arrive, and compression pump just can start, and can more effectively protect the running of compression pump, makes its longer service life.
Description of drawings
Fig. 1 is the system schematic of the used water purifier of the present invention;
Fig. 2 is a schematic flow sheet of the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
The control device that is adopted in the filter element life detecting method mainly is made up of miniature control module or microcontroller (MCU), it provides required DC voltage by a direct current electric supply installation for it, coupled (as shown in Figure 1): a, water purification condensate tank of dehumidifier in addition, ball float mechanism 5, microswitch 6 and interlock circuit by routine are formed, be used to provide with clear water tanks 4 in the corresponding high and low level signal of water level, for the control device collection; B, former water condensate tank of dehumidifier (not shown) also are made up of conventional ball float mechanism, microswitch and interlock circuit, be used to provide with raw water box in the corresponding high and low level signal of water level, for the control device collection; C, system water pressure checkout gear are made up of high-voltage switch gear 2 and interlock circuit on water making pipe between compression pump 1 and the filter core 3, be used to provide with the water making pipe road in the corresponding high and low level of hydraulic pressure, for the control device collection; D, press key input device (not shown) by the beginning key, safeguard that button such as strong, end key and interlock circuit form, are used to provide the high and low level that has or not button to press, for the controller collection; E, pump drive are used for accepting the control instruction of control device, and the working power of compression pump 1 is controlled, and switch with the start and stop that realize compression pump 1; F, information-storing device are by the programmable semiconductor memory (E of electrically-erasable
2PROM) reach the interface circuit composition that carries out exchanges data with control device, be used to preserve and filter element life, water making pipe road internal pressure data relevant, that power down all can not be lost; G, display unit are made up of vacuum fluorescent display screen and drive circuit, are used for receiving, all data messages that display control unit is sent here, reaction work at present state; H, warning device, buzzer and drive circuit by routine are formed, also can form by the caution passage of scintillation light and the interlock circuit of routine, be used to provide with button press, hydraulic pressure overvoltage in the water making pipe road, filter element life will be arrived, filter element life to or task such as quarter-bell require the alarm signal sent.
Its concrete detection method is as shown in Figure 2 flow chart: start shooting and press the beginning key, 1. control device collects water level signal in the clear water tanks by the water purification condensate tank of dehumidifier, whether judges in the clear water tanks lack of water, if then go to the and 2. go on foot; If not, then went to for the 10. step; 2. control device collects water level signal in the raw water box by former water condensate tank of dehumidifier, whether judges in the raw water box lack of water, if not, goes to for the 3. step; If then go to the step; 3. control device is by the pressure signal in the detected water making pipe of the pressure-detecting device road, judges in the water making pipe road whether overvoltage, if not, then goes to the and 4. goes on foot; If then go to the step; 4. control device sends the control signal of running compression pump to pump drive, picks up counting simultaneously, if in system water process, do not break down, then goes to for the 5. step; If control device collects lack of water signal in the raw water box that former water condensate tank of dehumidifier transmits, then went to for the 8. step; If control device collects the overvoltage signal in the water making pipe road that pressure-detecting device transmits, then go to the and 9. go on foot; 5. the full signal of water in the clear water tanks that collects according to the water purification condensate tank of dehumidifier of control device sends the control signal of compression pump stop to pump drive, and timing simultaneously stops; 6. control device begins to become the filter element life value to the system water time conversion that timing finishes according to above-mentioned timing, in the present embodiment, the life value that calculates shows segment value corresponding to 1～8, and in upper and lower each four sections the life-span icon place demonstration of display unit, simultaneously it is saved to information-storing device in real time, and in display unit, shows; 7. above-mentioned filter element life segment value is compared with the life-span preset value, if no show life-span preset value, then went to for the 1. step; Otherwise, more renew cartridge, went to again after resetting for the 1. step.Control device is gathered signal again, so that starting pressure pump again goes round and begins again like this, makes to store a certain amount of purifying waste water in the clear water tanks, for people's long-term drinking.8. control device sends the control signal of compression pump stop to pump drive, the while timing pause TP, and maintenance present timing value, the demonstration of on display unit, glimmering of former water icon, after treating that raw water box has water, control device sends the compression pump enabling signal to pump drive, on the clocking value basis that keeps, add up simultaneously, after went to for the 5. step; 9. control device sends the control signal of compression pump stop to pump drive, and timing simultaneously stops, and the overvoltage data are saved in the information-storing device, and control device enters in the guard mode, goes to for the 1. step until renew cartridge more, after resetting; 10. control device sends the control signal of compression pump stop to pump drive, after went to for the 1. step again; The control device sends the control signal of compression pump stop to pump drive, treat that raw water box has water after, went to for the 1. step again; The control device sends the control signal of compression pump stop to pump drive, and enters in the guard mode, goes to for the 1. step until renew cartridge more, after resetting.
Increase along with service time, total system water yield also increases thereupon, the dirt of filter core inside is also in continuous accumulation, cause water making pipe road operating pressure increasing, it is also more and more longer then to make the water time, so this system water time has been reflected the blockage of filter core, time is long more, resistance is just big more, is sufficiently long to the life-span during preset value when the time, just can think that the life-span of filter core has arrived.For the renew cartridge more of reminds people in time, above-mentioned the 7. in the step, the life-span segment value that is shown in life-span icon place that calculates when the control device collection arrives the life-span during preset value, also be that the two differs more and more littler, until extinguishing fully, when the demonstration segment value that is the life-span correspondence was zero, then control device can send long warning buzzing in 10 seconds, with reminds people renew cartridge more as early as possible.Simultaneously in order to make full use of the filtrate in the filter core, in the present embodiment, has a delay function, promptly after sending alarm signal for the first time, compression pump still can be worked, just this system water number is saved in the information-storing device according to (comprising the life-span segment value and segment value occurring is zero number of times), next time is when making water, the system water Time Calculation that control device will collect once more goes out the life-span segment value, if still be zero, this moment, the life-span icon in the display unit all extinguished, but warning device still sends 10 seconds long alarm signals, was that zero number of times carries out+1 with the relevant memory cell content of life-span segment value in information-storing device and refreshes with preserving the segment value that occurs simultaneously.If occur the life-span segment value like this is that zero number of times reaches set point number continuously; as being defined as in the present embodiment 6 times; then at this moment; warning device will send 10 seconds long alarm signals; the demonstration of then can all glimmering of life-span icon; enter guard mode with timed unit, no longer carry out system water task, more renew cartridge.
More behind the renew cartridge, under open state, must reset earlier, in the present embodiment, only need press in 30 seconds to safeguard key 8 times, after the data record in relevant life-span in the information-storing device was resetted, water purifier can be made water again.
Claims (6)
1, the filter element life detecting method used of a kind of water purifier is characterized in that:
1. water level signal down in the clear water tanks that collects by the water purification condensate tank of dehumidifier of control device is sent the control signal of running compression pump to pump drive, picks up counting simultaneously;
2. go up water level signal in the clear water tanks that control device collects by the water purification condensate tank of dehumidifier, send the control signal of compression pump stop to pump drive, timing simultaneously stops;
3. control device begins to become the filter element life segment value to the system water time conversion that timing finishes according to above-mentioned timing, then it is saved to information-storing device in real time, and shows in display unit;
4. above-mentioned filter element life segment value is compared with the life-span preset value, if no show life-span preset value, then went to for the 1. step; Otherwise, more renew cartridge, went to again after resetting for the 1. step.
2, the filter element life detecting method used of water purifier according to claim 1, it is characterized in that: above-mentioned the 4. in the step, when described filter element life segment value arrives the life-span during preset value, the number of times of this filter element life segment value and arrival life-span preset value is saved in the information-storing device, and described control device sends the more alarm signal of renew cartridge.
3, the filter element life detecting method used of water purifier according to claim 2, it is characterized in that: the number of times that described alarm signal is sent is compared with set point number, if alarm times surpasses set point number, then described control device enters guard mode, filter core to be replaced, reset after, went to for the 1. step again; Otherwise, the number of times that is kept at the filter element life segment value in the information-storing device and arrives the life-span preset value is carried out Refresh Data, and when sending alarm signal, went to for the 1. step.
4, the filter element life detecting method used of water purifier according to claim 2, it is characterized in that: the setting pressure pump lengthens working hours in described control device, send the alarm signal of renew cartridge more at described control device and rise in the time period at the end of lengthening working hours to the setting of compression pump, more renew cartridge, went to again after resetting for the 1. step.
5, the filter element life detecting method of using according to the arbitrary described water purifier of claim 1 to 4, it is characterized in that: in the above-mentioned the system water process that 1. goes on foot after compression pump starts, if control device collects the interior lack of water signal of raw water box that former water condensate tank of dehumidifier transmits, then control device sends the control signal of compression pump stop to pump drive, the while timing pause TP, and maintenance present timing value, after treating that raw water box has water, described control device sends the compression pump enabling signal to pump drive, on the clocking value basis that keeps, add up simultaneously, after went to for the 2. step.
6, the filter element life detecting method of using according to the arbitrary described water purifier of claim 1 to 4; it is characterized in that: in the above-mentioned the system water process that 1. goes on foot after compression pump starts; during overvoltage signal in described control device collects the water making pipe road that pressure-detecting device transmits with the compression pump outlet links to each other; then described control device sends the control signal of compression pump stop to pump drive; timing simultaneously stops; and the overvoltage data are saved in the information-storing device; control device enters in the guard mode, goes to for the 1. step until renew cartridge more, after resetting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410016717 CN100337717C (en) | 2004-03-04 | 2004-03-04 | Method for detecting service life of filtering core for water purifier |
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|---|---|---|---|
| CN 200410016717 CN100337717C (en) | 2004-03-04 | 2004-03-04 | Method for detecting service life of filtering core for water purifier |
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| CN1663665A true CN1663665A (en) | 2005-09-07 |
| CN100337717C CN100337717C (en) | 2007-09-19 |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838031A (en) * | 2010-04-09 | 2010-09-22 | 艾欧史密斯（上海）水处理产品有限公司 | Reverse osmosis water purifier capable of automatically determining running state |
| CN102190344A (en) * | 2010-03-08 | 2011-09-21 | 慈溪市龙巍电器有限公司 | Composite type dual-water-supplying reverse osmosis water purifier with brominated resin filter element |
| CN102809963A (en) * | 2011-06-02 | 2012-12-05 | 上海金将普实业有限公司 | Intelligent inductive-control water break protecting system for water electrolysis equipment |
| CN103293017A (en) * | 2013-06-25 | 2013-09-11 | 长沙理工大学 | Service life evaluation device and method for pre-filter filter element for condensate polishing |
| CN103760793A (en) * | 2013-12-31 | 2014-04-30 | 武汉斯隆电气有限公司 | Fault self-inspection technology of water purification device |
| CN104941294A (en) * | 2014-12-03 | 2015-09-30 | 佛山市云米电器科技有限公司 | Water purification equipment and automatic repairing system and method for filter element of water purification equipment |
| CN105384270A (en) * | 2015-11-11 | 2016-03-09 | 珠海格力电器股份有限公司 | Water purifier and method for determining residual life value of water purifying filter element in water purifier |
| CN105565444A (en) * | 2015-08-27 | 2016-05-11 | 王富强 | Magneto-gravity water purifier |
| CN103984276B (en) * | 2014-05-23 | 2016-08-17 | 浙江沁园水处理科技有限公司 | A kind of intelligence manager of filter element device and using method thereof |
| CN107117730A (en) * | 2017-05-19 | 2017-09-01 | 广州突起环保科技有限公司 | A kind of reverse osmosis water purifier |
| CN107649007A (en) * | 2016-07-26 | 2018-02-02 | 青岛经济技术开发区海尔热水器有限公司 | Water purifier and method for judging service life of RO (reverse osmosis) membrane filter element of water purifier |
| CN108328759A (en) * | 2017-01-20 | 2018-07-27 | 青岛经济技术开发区海尔热水器有限公司 | Method for confirming service life of filter element of water purification system and water purification system |
| CN110622832A (en) * | 2019-09-29 | 2019-12-31 | 重庆纳德雨涧环保科技有限公司 | Intelligent control system and method for greening and sprinkling irrigation of flyover foundation slope |
| CN111547782A (en) * | 2020-04-09 | 2020-08-18 | 深圳安吉尔饮水产业集团有限公司 | Filter element blockage judging method and water purifying equipment |
| CN113908600A (en) * | 2021-11-03 | 2022-01-11 | 珠海格力电器股份有限公司 | Filter element replacement detection method and device, water purification equipment and storage medium |
| CN113948337A (en) * | 2020-07-16 | 2022-01-18 | 施耐德电器工业公司 | Method for resetting a service life diagnostic alarm for a contact of a contactor |
| CN114159873A (en) * | 2021-09-28 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Method and device for detecting service life of filter element of water purifier and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190344A (en) * | 2010-03-08 | 2011-09-21 | 慈溪市龙巍电器有限公司 | Composite type dual-water-supplying reverse osmosis water purifier with brominated resin filter element |
| CN101838031A (en) * | 2010-04-09 | 2010-09-22 | 艾欧史密斯（上海）水处理产品有限公司 | Reverse osmosis water purifier capable of automatically determining running state |
| CN102809963A (en) * | 2011-06-02 | 2012-12-05 | 上海金将普实业有限公司 | Intelligent inductive-control water break protecting system for water electrolysis equipment |
| CN103293017A (en) * | 2013-06-25 | 2013-09-11 | 长沙理工大学 | Service life evaluation device and method for pre-filter filter element for condensate polishing |
| CN103760793B (en) * | 2013-12-31 | 2016-09-28 | 武汉斯隆电气有限公司 | Water purification installation fault self-checking system |
| CN103760793A (en) * | 2013-12-31 | 2014-04-30 | 武汉斯隆电气有限公司 | Fault self-inspection technology of water purification device |
| CN103984276B (en) * | 2014-05-23 | 2016-08-17 | 浙江沁园水处理科技有限公司 | A kind of intelligence manager of filter element device and using method thereof |
| CN104941294A (en) * | 2014-12-03 | 2015-09-30 | 佛山市云米电器科技有限公司 | Water purification equipment and automatic repairing system and method for filter element of water purification equipment |
| CN105565444A (en) * | 2015-08-27 | 2016-05-11 | 王富强 | Magneto-gravity water purifier |
| CN105565444B (en) * | 2015-08-27 | 2017-12-26 | 新昌县沃克工具有限公司 | Magnetic weight water purifier |
| CN105384270A (en) * | 2015-11-11 | 2016-03-09 | 珠海格力电器股份有限公司 | Water purifier and method for determining residual life value of water purifying filter element in water purifier |
| CN107649007A (en) * | 2016-07-26 | 2018-02-02 | 青岛经济技术开发区海尔热水器有限公司 | Water purifier and method for judging service life of RO (reverse osmosis) membrane filter element of water purifier |
| CN108328759A (en) * | 2017-01-20 | 2018-07-27 | 青岛经济技术开发区海尔热水器有限公司 | Method for confirming service life of filter element of water purification system and water purification system |
| CN107117730A (en) * | 2017-05-19 | 2017-09-01 | 广州突起环保科技有限公司 | A kind of reverse osmosis water purifier |
| CN110622832A (en) * | 2019-09-29 | 2019-12-31 | 重庆纳德雨涧环保科技有限公司 | Intelligent control system and method for greening and sprinkling irrigation of flyover foundation slope |
| CN111547782A (en) * | 2020-04-09 | 2020-08-18 | 深圳安吉尔饮水产业集团有限公司 | Filter element blockage judging method and water purifying equipment |
| CN113948337A (en) * | 2020-07-16 | 2022-01-18 | 施耐德电器工业公司 | Method for resetting a service life diagnostic alarm for a contact of a contactor |
| CN114159873A (en) * | 2021-09-28 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Method and device for detecting service life of filter element of water purifier and storage medium |
| CN114159873B (en) * | 2021-09-28 | 2022-12-20 | 佛山市美的清湖净水设备有限公司 | Method and device for detecting service life of filter element of water purifier and storage medium |
| CN113908600A (en) * | 2021-11-03 | 2022-01-11 | 珠海格力电器股份有限公司 | Filter element replacement detection method and device, water purification equipment and storage medium |
| CN114949969A (en) * | 2021-12-01 | 2022-08-30 | 九阳股份有限公司 | Control method of water purifier and water purifier |
| CN114887393A (en) * | 2022-03-28 | 2022-08-12 | 深圳银星智能集团股份有限公司 | Treatment method based on sewage filtration and related equipment |
| CN114887393B (en) * | 2022-03-28 | 2024-01-26 | 深圳银星智能集团股份有限公司 | Sewage filtering-based treatment method and related equipment |
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