CN114225510A - Double-channel intelligent filtering system and method - Google Patents
Double-channel intelligent filtering system and method Download PDFInfo
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- CN114225510A CN114225510A CN202111585957.3A CN202111585957A CN114225510A CN 114225510 A CN114225510 A CN 114225510A CN 202111585957 A CN202111585957 A CN 202111585957A CN 114225510 A CN114225510 A CN 114225510A
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- 238000001914 filtration Methods 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 230000009977 dual effect Effects 0.000 claims 5
- 239000003651 drinking water Substances 0.000 description 6
- 235000020188 drinking water Nutrition 0.000 description 6
- 238000010171 animal model Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/046—Controlling the filtration by pressure measuring
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a double-channel intelligent filtering system which comprises a control unit, a first water inlet valve, a second water inlet valve, a first pressure sensor and a flowmeter, wherein the first water inlet valve is installed on a first filtering channel, the second water inlet valve is installed on a second filtering channel, the first pressure sensor and the flowmeter are installed on a water inlet channel, the second pressure sensor is installed on a water outlet channel, and the first water inlet valve, the second water inlet valve, the first pressure sensor, the second pressure sensor and the flowmeter are electrically connected with the control unit. The filter element adopts the mutual matching of the two filter channels, meets the uninterrupted requirement, and is matched with the pressure sensor to detect the water pressure value, so as to obtain the trafficability of the filter element, and further maximize the use of the filter element.
Description
Technical Field
The invention relates to the field of filtration, in particular to a dual-channel intelligent filtration system and method.
Background
The experimental animal is widely used for various medical drug researches in the field of biological and medical research at present, in order to ensure that the results of various research experiments are accurate and reproducible, strict requirements are imposed on the drinking water quality of the experimental animal, and before the experimental animal drinks the water, the water needs to be strictly filtered and sterilized, so that the health of the experimental animal can be ensured, and the propagation of bacteria can be prevented.
The filter is installed on the filter tube in the existing drinking water filtering mode, thereby filtering water quality, the drinking water treatment can be effectively realized by the mode, because the filter element has service life, a single filter channel can only be cut off and replaced when the filter element reaches service life, the uninterrupted service requirement can not be reached, meanwhile, the existing filter element can not be detected in service life, only manual evaluation can be carried out according to service time, and the existing filter can not simultaneously solve the contradiction of low trafficability and old filter element trafficability, so that the filter element can be replaced once the output pressure is unstable, and the filter element can not be fully used.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a dual-channel intelligent filtering system, two filtering channels are matched with each other for use, the requirement of continuous circulation during filter element replacement is met, and meanwhile, a pressure sensor is matched for detecting a water pressure value to obtain the trafficability of a filter element, so that the filter element is used to the maximum.
In order to achieve the purpose, the invention provides the following technical scheme: a dual-channel intelligent filtering system comprises a control unit; the first water inlet valve is arranged on the first filtering channel and positioned at the front end of the filter, and the opening and the closing of the first water inlet valve are controlled by the control unit; the second water inlet valve is arranged on the second filtering channel and positioned at the front end of the filter, and the opening and the closing of the second water inlet valve are controlled by the control unit; the first pressure sensor is arranged on the water inlet channel, acquires a water pressure value in the pipeline and feeds the water pressure value back to the control unit; the flowmeter is arranged on the water inlet channel and is used for collecting the water flow in the pipeline; and the second pressure sensor is arranged on the water outlet channel, collects the water pressure value after passing through the filter and feeds the water pressure value back to the control unit.
Preferably, the control unit is further connected with an alarm.
Preferably, the main control unit is further connected with a display unit.
Preferably, the first filtering channel is further provided with a first water outlet valve which is positioned at the rear end of the filter.
Preferably, the second filtering channel is further provided with a second water outlet valve which is positioned at the rear end of the filter.
A dual-channel intelligent filtering method comprises the following steps:
A. respectively acquiring the passing grades of the first filtering channel and the second filtering channel by utilizing the water pressure difference value between the first pressure sensor and the second pressure sensor and combining the flow value fed back by the flowmeter, and judging the service life of the filter according to the passing grades;
B. when the filtering grade is lower than a set critical value, the alarm gives an alarm to replace a new filter;
C. when the filtering device is used for filtering, firstly, the filtering channel with low filtering grade is opened, the water pressure value of the second pressure sensor is obtained in real time, whether the water pressure value can reach the use required value is judged, and if the water pressure value cannot reach the use required value, the filtering channel with high filtering grade is opened step by step;
D. when the water pressure value fed back by the second pressure sensor meets the use requirement again, the filtering channel with high filtering grade is closed.
Preferably, the specific steps of step a are:
a1, opening the first water inlet valve, closing the second water inlet valve, calculating the pressure difference of the first pressure sensor and the second pressure sensor according to the pressure values fed back by the first pressure sensor and the second pressure sensor by the control unit, and acquiring the passing grade of the first filtering channel according to the pressure difference and a preset difference-grade table;
and A2, opening the second water inlet valve, closing the first water inlet valve, calculating the pressure difference between the first pressure sensor and the second pressure sensor according to the pressure values fed back by the first pressure sensor and the second pressure sensor by the control unit, and acquiring the passing grade of the second filtering channel according to the pressure difference and a preset difference-grade table.
Compared with the prior art, the dual-channel intelligent filtering system disclosed by the invention has the following beneficial effects:
two channels are adopted for matched filtration, so that the uninterrupted circulation requirement during filter element replacement is met;
the water inlet valve and the water outlet valve are synchronously arranged on the filtering channel, so that the influence of water pressure vibration on the service life of the filter element in a closed state is avoided;
utilize the water pressure difference value to obtain filtering channel's the grade of passing through, not only in time know the in service behavior of filter, can also be when using the old filter of preferred selection to make the filter obtain the maximize and use, prolong holistic change cycle.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of an overall installation of an embodiment of the present invention;
fig. 2 is a schematic diagram of a framework of an embodiment of the invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-2, the dual-channel intelligent filtering system disclosed by the present invention is installed in a drinking water system for intelligently filtering drinking water, a pipeline of the drinking water system includes a water inlet channel 1, a water outlet channel 2, and a first filtering channel 3 and a second filtering channel 4 connected in parallel between the water inlet channel and the water outlet channel through a tee joint, a filter 5 is installed on the first filtering channel and the second filtering channel, the intelligent filtering system includes a first water inlet valve 6, a first water outlet valve 7, a second water inlet valve 8, a second water outlet valve 9, a first pressure sensor 10, a second pressure sensor 11 and a flow meter 12, the first water inlet valve and the first water outlet valve are respectively installed at the front end and the rear end of the filter of the first filtering channel for controlling the opening and closing of the first filtering channel, the second water inlet valve and the second water outlet valve are respectively installed at the front end and the rear end of the filter of the second filtering channel, the first pressure sensor and the flowmeter are installed on the water inlet channel to obtain the pressure value and the water flow of water flow before filtration, and the second pressure sensor is installed on the water outlet channel to obtain the pressure value of the water flow after filtration.
The first water inlet valve, the first water outlet valve, the second water inlet valve, the second water outlet valve, the first pressure sensor, the second pressure sensor and the flow meter are all connected with the control unit, and the control unit is further connected with the display unit and the alarm.
This intelligence filtration system can acquire the grade of passing through of filtering passageway to judge whether need the renew cartridge according to the grade of passing through, specifically do: opening one filtering channel, closing the other filtering channel, respectively acquiring a water pressure value before filtering and a water pressure value after filtering by using a first pressure sensor and a second pressure sensor, feeding the water pressure values back to a control unit, calculating a difference value by the control unit according to the fed-back water pressure value, comparing the calculated difference value with a difference value-grade table to obtain the passing grade of the filtering channel, wherein the difference value-grade table is prestored in the control unit, the display unit displays the passing grade of the filtering channel, and an alarm gives an alarm when the passing grade reaches a critical value.
The invention discloses a double-channel intelligent filtering method, which comprises the following steps:
the method comprises the following steps of judging the channel filtering grade before starting use every time, and specifically comprises the following steps:
a1, opening the first water inlet valve, closing the second water inlet valve, calculating the pressure difference of the first pressure sensor and the second pressure sensor by the control unit according to the pressure values fed back by the first pressure sensor and the second pressure sensor, combining the pressure difference with a preset difference value-grade table to obtain the passing grade of the first filtering channel, and displaying the passing grade by the display unit;
a2, opening the second water inlet valve, closing the first water inlet valve, calculating the pressure difference between the first pressure sensor and the second pressure sensor according to the pressure values fed back by the first pressure sensor and the second pressure sensor by the control unit, combining the pressure difference with a preset difference-grade table to obtain the passing grade of the second filtering channel, and displaying the passing grade by the display unit.
After the filtering grade is judged, the filter is normally used, and the method specifically comprises the following steps:
the control unit preferentially opens a filtering channel with low grade (long service time and poor trafficability) when in use according to the filtering grade obtained by calculation, and obtains a water pressure value in a pipeline in real time by using the first pressure sensor and the second pressure sensor and obtains a flow value by using the flowmeter;
if the water pressure value and the flow value do not meet the use requirements, the filtering channel with high grade is synchronously opened, and the opening amplitude of the water inlet valve is required to be gradually increased when the filtering channel is opened, so that the water pressure value and the flow value can meet the use requirements.
That is to say, when the water consumption is small, only use old filter to carry out the filtration operation, when the water consumption is big, although increased new filter and carried out synchronous filtration, still an old filter is main, can guarantee the use of old filter maximize like this, and the whole life of extension filter simultaneously prolongs the replacement cycle of whole filtration system.
When the filter element reaches the service life, the filter channel to be replaced is closed, and the other filter channel is opened, so that the filter operation is ensured to be uninterrupted in the filter element replacing process.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (7)
1. A dual channel smart filtration system characterized by comprising:
a control unit;
the first water inlet valve is arranged on the first filtering channel and positioned at the front end of the filter, and the opening and the closing of the first water inlet valve are controlled by the control unit;
the second water inlet valve is arranged on the second filtering channel and positioned at the front end of the filter, and the opening and the closing of the second water inlet valve are controlled by the control unit;
the first pressure sensor is arranged on the water inlet channel, acquires a water pressure value in the pipeline and feeds the water pressure value back to the control unit;
the flowmeter is arranged on the water inlet channel and is used for collecting the water flow in the pipeline;
and the second pressure sensor is arranged on the water outlet channel, collects the water pressure value after passing through the filter and feeds the water pressure value back to the control unit.
2. The dual channel smart filtration system of claim 1, wherein: the control unit is also connected with an alarm.
3. The dual channel smart filtration system of claim 1, wherein: the main control unit is also connected with the display unit.
4. The dual channel smart filtration system of claim 1, wherein: and the first filtering channel is also provided with a first water outlet valve which is positioned at the rear end of the filter.
5. The dual channel smart filtration system of claim 1, wherein: and the second filtering channel is also provided with a second water outlet valve which is positioned at the rear end of the filter.
6. A dual-channel intelligent filtering method is realized based on any one system of claims 1 to 5, and is characterized by comprising the following steps:
A. respectively acquiring the passing grades of the first filtering channel and the second filtering channel by utilizing the water pressure difference value between the first pressure sensor and the second pressure sensor and combining the flow value fed back by the flowmeter, and judging the service life of the filter according to the passing grades;
B. when the filtering grade is lower than a set critical value, the alarm gives an alarm to replace a new filter;
C. when the filtering device is used for filtering, firstly, the filtering channel with low filtering grade is opened, the water pressure value of the second pressure sensor is obtained in real time, whether the water pressure value can reach the use required value is judged, and if the water pressure value cannot reach the use required value, the filtering channel with high filtering grade is opened step by step;
D. when the water pressure value fed back by the second pressure sensor meets the use requirement again, the filtering channel with high filtering grade is closed.
7. The dual-channel intelligent filtering method according to claim 6, wherein: the specific steps of the step A are as follows:
a1, opening the first water inlet valve, closing the second water inlet valve, calculating the pressure difference of the first pressure sensor and the second pressure sensor according to the pressure values fed back by the first pressure sensor and the second pressure sensor by the control unit, and acquiring the passing grade of the first filtering channel according to the pressure difference and a preset difference-grade table;
and A2, opening the second water inlet valve, closing the first water inlet valve, calculating the pressure difference between the first pressure sensor and the second pressure sensor according to the pressure values fed back by the first pressure sensor and the second pressure sensor by the control unit, and acquiring the passing grade of the second filtering channel according to the pressure difference and a preset difference-grade table.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111585957.3A CN114225510B (en) | 2021-12-23 | 2021-12-23 | Double-channel intelligent filtering system and method |
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|---|---|---|---|
| CN202111585957.3A CN114225510B (en) | 2021-12-23 | 2021-12-23 | Double-channel intelligent filtering system and method |
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| CN114225510A true CN114225510A (en) | 2022-03-25 |
| CN114225510B CN114225510B (en) | 2023-02-24 |
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