CN115105874B - Intelligent optimization system of siphon filter - Google Patents
Intelligent optimization system of siphon filter Download PDFInfo
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- CN115105874B CN115105874B CN202210760013.3A CN202210760013A CN115105874B CN 115105874 B CN115105874 B CN 115105874B CN 202210760013 A CN202210760013 A CN 202210760013A CN 115105874 B CN115105874 B CN 115105874B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/38—Feed or discharge devices
- B01D24/40—Feed or discharge devices for feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/38—Feed or discharge devices
- B01D24/42—Feed or discharge devices for discharging filtrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/38—Feed or discharge devices
- B01D24/44—Feed or discharge devices for discharging filter cake, e.g. chutes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4884—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by pressure measuring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2101/00—Types of filters having loose filtering material
- B01D2101/04—Sand or gravel filters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the field of siphon filters, in particular to an intelligent optimization system of a siphon filter, which comprises a working module, a monitoring module for monitoring operation parameters of corresponding components in the working module and a database server for storing data uploaded by the monitoring module. The invention is based on advanced scientific technical means, the operation of the siphon filter is continuously optimized, the operation of the siphon filter can be adapted to the water quality condition during operation at all times, the resource loss and the equipment loss are reduced, the cost is reduced, and meanwhile, the more stable water outlet quality can be achieved.
Description
Technical Field
The invention relates to a system of a siphon filter, belongs to the technical field of siphon filters, and particularly relates to an intelligent optimization system of a siphon filter.
Background
Siphon filters have been practiced for many years as a more traditional filter. The siphon filter tank is used for filtering and backwashing by controlling water inflow and backwashing through a vacuum system in principle: a siphon is formed by vacuum to communicate the water flow, and air is introduced to break the siphon to shut off the water flow. As a fast filter with mature technology and low cost, the siphon filter is mostly used for the treatment of medium and small water supply. In actual operation, the problem of unstable water quality of effluent water caused by various reasons and the problem of great labor consumption in the process of solving the problem are difficult to solve. The siphon automatic filter tank commonly used at present is mainly controlled by a PLC, for example, a full-automatic novel siphon filter tank is disclosed in publication No. 204865132U, and the automatic control system of the filter tank realizes the control of back flushing by using a PLC control valve. Publication No. 113694580a discloses an "automatic flushing control system for a siphon filter tank which controls back flushing by using a float bowl device. Publication No. 114288718A discloses an "automatic running siphon filter tank convenient for monitoring", which utilizes a level gauge and monitoring equipment to control back flushing. The article No. 1000-4602 (2006) 06-0074-03 discloses an automatic control system for "implementation of automatic control of a siphon filter", which implements automatic control of a siphon filter by monitoring time and liquid level.
During actual operation of the system, the problems to be solved are that the expansion rate of the filter material is not high during back flushing due to the change of the water quality of raw water, so that the filter material is hardened, and the problem that the water quality of the discharged water is reduced due to the fact that a filter layer is damaged cannot be effectively prevented.
Disclosure of Invention
Therefore, the invention provides an intelligent optimization system of the siphon filter. The method is used for solving the problems that in the prior art, due to the change of the water quality of raw water, the expansion rate of a filter material is not high during back flushing, so that the filter material is hardened, and the water quality of outlet water is reduced due to the fact that a filter layer cannot be effectively prevented from being damaged.
In order to achieve the above purpose, the invention provides an intelligent optimization system of a siphon filter, which mainly comprises a monitoring module, a working module and a database server:
the working module is a siphon filter, the working module is internally provided with a collecting mechanism and an executing mechanism, the collecting mechanism is used for collecting corresponding working parameters of corresponding parts and positions when the siphon filter operates, the executing mechanism is used for switching the corresponding parts in the siphon filter to the corresponding states so as to enable the siphon filter to be in the corresponding working states, and one-time filtration and one-time back flushing of the siphon filter are one operation period;
the monitoring module is respectively connected with the acquisition mechanism and the execution mechanism, and is used for receiving the working parameters of the corresponding components measured by the acquisition mechanism and controlling the execution mechanism to adjust the working parameters of the corresponding components to corresponding values or switch the corresponding components to corresponding running states according to the working parameters;
the database server is connected with the monitoring module and used for storing data uploaded by the monitoring module, wherein the data uploaded by the monitoring module comprise working parameters, output by the acquisition mechanism, of the corresponding components and control commands output by the monitoring module to the execution mechanism;
further, the siphon filter includes:
the water inlet structure comprises a water inlet tank, a water distribution tank, a water inlet siphon pipe, a single-grid filter water inlet tank and a water distribution pipe; the water inlet groove is positioned at the upper part of the siphon filter group and is used for guiding raw water which is not filtered by each siphon filter to each siphon filter and naturally flows into the water distribution groove which is adjacent to the water inlet groove; the water distribution tanks are annularly arranged in the siphon filter tank group, raw water in the water distribution tanks is subjected to siphon action and flows into the water inlet tanks of the adjacent single-grid filter tanks from the water inlet siphon pipes above the water distribution tanks, and the raw water is distributed in the siphon filter tanks through the water distribution pipes below the water inlet tanks of the single-grid filter tanks;
the water distribution structure comprises a water collecting tank, a water outlet pipe, a water outlet well, a water outlet weir and a clear water pipe; the raw water flows into a water collecting tank positioned at the bottom of the siphon filter after being filtered in each siphon filter, the water level in the water collecting tank is higher than the upper surface of a water outlet pipe in the water collecting tank by a communicating vessel principle, the filtered water flows into a water outlet well positioned outside the side wall of the siphon filter through the water outlet pipe, and then upper clean water is separated by a water outlet weir positioned in the water outlet well and flows into a clean water pipe positioned at the lower part of the water outlet well and at one side of the water outlet well far away from the water outlet pipe;
a flushing structure comprising a vacuum device, a flushing siphon pipe and a flushing drain pipe; the vacuum device is used for vacuumizing the water inlet siphon and the flushing siphon to form siphons; the flushing drain pipe is positioned at the bottom of the siphon filter tank and used for discharging back flushing water;
and the filter layer is arranged on the water collecting tank and uniformly covers the water collecting tank for filtering raw water.
Further, the working module comprises an acquisition mechanism and an execution mechanism;
the acquisition mechanism comprises a plurality of acquisition terminals for acquiring various data of each part of the siphon filter; the filter comprises a first pressure sensor, a second pressure sensor and a pressure sensor, wherein the first pressure sensor is arranged at a certain position above the filter layer and used for detecting the water head at the front end of the filter layer; an ultrasonic sensor arranged above the filter layer and positioned at the liquid level position for detecting the flatness of the upper surface of the filter layer;
the actuating mechanism comprises a first electric valve which is arranged on a pipeline connected with the vacuum device on the water inlet siphon pipe and used for controlling the communication state and degree of the water inlet siphon pipe and the vacuum device or the atmosphere, a second electric valve which is arranged on a pipeline connected with the flushing siphon pipe and the vacuum device or the atmosphere and used for controlling the communication state and degree of the flushing siphon pipe and the vacuum device or the atmosphere, a first electromagnetic valve which is arranged in front of the vacuum pump and used for controlling the switch of the pipeline connected with the vacuum pump, a second electromagnetic valve which is arranged on a pipeline section of the water outlet pipe end connected with the water outlet well and used for controlling the switch of the water outlet pipe, and a control element which is respectively arranged on a vacuum pump control box and a control element which is arranged on the vacuum device control box and used for controlling the running state and the running efficiency of the vacuum pump and the vacuum device;
further, when the siphon filter is in a siphon filtering state, the monitoring module is arranged at a position above the filter layer, the pressure sensor arranged at a certain position above the filter layer collects a monitoring point water head h1 at the front end of the filter layer and arranged at a certain position below the filter layer, the pressure sensor in the water collecting tank collects a monitoring point water head h2 at the rear end of the filter layer, after detection is completed, the monitoring module calculates a water head difference value delta h between the front end and the rear end of the filter layer, judges whether the siphon filter is in normal operation or not according to the delta h, and sets the delta h=h2-h 1, and compares the water head difference delta h0 with a standard water head difference delta h0 arranged in the monitoring module:
if Δh= Δh0, the monitoring module determines that the siphon filter tank normally operates, and the executing mechanism is not required to be controlled to adjust the operating parameters or the working states of the corresponding components;
if Deltah > -Deltah 0, the monitoring module judges that the water head loss generated by the filter layer is smaller than the normal water head loss, the monitoring module calculates the difference Deltaha between Deltah and Deltah 0 and judges whether the filter layer is damaged according to Deltaha, and Deltaha= Deltah-Deltah 0 is set;
if Deltah < Deltah0, the monitoring module judges that the water head loss generated by the filter layer is larger than the normal water head loss and judges that the siphon filter tank needs to be switched to a back flushing state, the monitoring module controls the first electric valve to be opened so as to destroy the vacuum environment in the water inlet siphon pipe, controls the vacuum pump and the vacuum device to be started so as to vacuumize the flushing siphon pipe and controls the second electric valve to be closed so as to form vacuum in the flushing siphon pipe, so that the switching of the siphon back flushing state is completed; and when the monitoring module judges that the siphon filter tank is required to be switched to a back flushing state, calculating an absolute value delta hb of the difference between delta h0 and delta h, and opening and closing the vacuum pump and the vacuum device or adjusting the opening of the first electric valve and the second electric valve to corresponding values according to the delta hb.
Further, a first preset low head difference Deltaha 1 and a second preset low head difference Deltaha 2 are arranged in the monitoring module, wherein Deltaha 1 < Deltaha2, when the monitoring module needs to judge whether the filter layer is damaged according to the Deltaha, the monitoring module compares Deltaha with Deltaha 1 and Deltaha 2 respectively,
if delta ha is less than or equal to delta ha1, the monitoring module judges that the difference value is within an allowable difference value interval and judges that the siphon filter tank normally operates;
if delta ha1 is less than delta ha2, the monitoring module controls an ultrasonic sensor arranged above the filter layer and positioned at the liquid level to detect the flatness R of the filter layer and judges whether the filter layer is damaged according to the R;
and if delta ha > -delta ha2, the monitoring module judges that the filter layer is damaged and sends out a filter layer damage alarm.
Further, a first preset flatness R01 and a second preset flatness R02 are arranged in the monitoring unit, wherein R01 is smaller than R02, when the monitoring module judges that delta ha1 is less than delta ha2, the monitoring module compares the measured R with R01 and R02 respectively,
if R is less than R01, the monitoring module judges that the filter layer is damaged, the monitoring module gives a damage alarm and controls the executing mechanism to stop continuous water inlet by opening the first electric valve to break vacuum, and to stop continuous water outlet for maintenance by closing the second electric valve;
if R01 is not less than R02, the monitoring module preliminarily judges that the filter layer is damaged, and the monitoring module performs filter layer damage early warning and alarming;
if R02 is less than R, the monitoring module judges that the filter layer is not damaged, and the monitoring module controls the executing mechanism to delay the filtering time of the siphon filter so as to improve the water yield of the siphon filter and further improve the operation efficiency of the siphon filter.
Further, a first preset overhigh head difference delta hb1 and a second preset overhigh head difference delta hb2 are arranged in the monitoring module, wherein delta hb1 < [ delta ] hb2, and when the module needs to judge whether the filter layer is hardened or not according to the delta hb, the monitoring module respectively compares delta hb with delta hb1 and delta hb 2;
if delta hb is less than or equal to delta hb1, the monitoring module judges that the difference value is within an allowable difference value interval and judges that the siphon filter tank normally operates;
if delta hb1 is less than or equal to delta hb2, the monitoring module judges that the filter layer is in a critical state of filter layer hardening, and the monitoring module performs filter layer hardening early warning and controls the executing mechanism to reduce the filtering time of the siphon filter tank so as to improve the water outlet quality;
if delta hb > -delta hb2, the monitoring module judges that the filter layer is in a filter layer hardening state, and the monitoring module carries out filter layer hardening alarm and controls the executing mechanism to close water inlet and water outlet of the filter tank for maintenance.
Further, after the monitoring module adjusts the executing mechanism, the parameter measured at the corresponding moment in a new running period of the siphon filter tank is a feedback parameter and the relation between the feedback parameter and delta h0 and R0 is compared;
if the monitoring module judges that the siphon filter is in a normal running state, the alarm of the monitoring module is released;
if the monitoring module judges that the siphon filter is still in the same alarm state and can not normally operate after the adjustment of two continuous operation periods, the monitoring module alarms unknown problems and controls the executing mechanism to close the water inlet and the water outlet of the siphon filter for maintenance.
Further, when receiving the data output by the acquisition mechanism, the monitoring module extracts the known data pre-stored by the database server from the database server and compares the known data with the received data to judge whether the siphon filter tank has the same condition in the historical operation, and the monitoring module sends out an instruction to the execution mechanism or an alarm in the monitoring module by taking the same as a reference.
Further, the known data comprise data received and transmitted by the monitoring module in a plurality of operation cycles of the siphon filter with the same type as the siphon filter, and the monitoring module synthesizes historical operation parameter curves of the siphon filter with the same type as the siphon filter to judge the operation condition of the current siphon filter when comparing the received data with the known data.
Compared with the prior art, the intelligent control system has the beneficial effects that by arranging the working module, the monitoring module and the database server and matching the modules, the intelligent control system can achieve the purposes of reducing operation and maintenance manpower and improving the operation water outlet quality so as to optimize the siphon filter tank, thereby improving the operation efficiency and the water outlet quality of the siphon filter tank.
Furthermore, the system disclosed by the invention can be applied to the reconstruction of a newly-built siphon filter tank and an old siphon filter tank, so that the operation life of the old siphon filter tank can be prolonged, and the operation efficiency and the water outlet quality of the siphon filter tank are improved.
Furthermore, the working module in the system comprises the collecting mechanism and the executing mechanism, and the collecting mechanism and the executing mechanism are both arranged on the surface of the siphon filter or in the control box, so that the main structure of the siphon filter is not required to be changed, and the cost for loading the system is effectively reduced.
Furthermore, the monitoring module in the system can judge the current working condition of the filter tank through a program in the working of the siphon filter tank, and the working mode of the siphon filter tank is mutually converted in the filtering and backwashing processes by adjusting the actuating mechanism of the siphon filter tank at a proper time, so that the operation of the siphon filter tank is intelligently controlled, the optimization of the siphon filter tank can be carried out in an allowable range on the premise of saving manpower, and the operation efficiency and the water outlet quality of the siphon filter tank are further improved.
Further, when the monitoring module in the system judges that the head loss generated by the filter layer is too low, the state of the filter layer can be preliminarily judged by comparing the head loss value with the preset value of the too low head pressure difference value, so that unnecessary production stoppage is avoided, and the operation efficiency of the siphon filter is further improved.
Further, when the monitoring module in the system judges that the head loss generated by the filter layer is too low, the monitoring module can judge whether the filter layer is damaged or is adjacent to the damage by comparing the flatness of the filter layer with the preset flatness value, and timely control the executing mechanism to shut down the water inlet and outlet of the siphon filter when the filter layer is damaged, so that the water outlet quality is prevented from being reduced due to the damage of the filter layer, and the water outlet quality of the siphon filter is further improved.
Further, when the monitoring module in the system judges that the head loss generated by the filter layer is too high, the monitoring module can judge whether the filter layer is hardened or is adjacent to the hardened or can timely alarm or control the executing mechanism to adjust by comparing the head loss value with the preset value of the too high head pressure difference value, thereby avoiding shutdown and production stoppage caused by hardening of the filter layer and further improving the operation efficiency of the siphon filter.
Furthermore, the system adjusts and records each operation period, compares the previous operation periods of the operation periods, judges that the unknown problem occurs when the same problem occurs in no less than 2 continuous operation periods, and controls the executing mechanism to close the water inlet and the water outlet of the siphon filter, so that the water outlet quality reduction caused by the unknown problem is avoided, and the water outlet quality of the siphon filter is further improved.
Furthermore, the database server of the system can record the running conditions of different siphon filters of the same model collected for a long time, and can compare and reference the running conditions with the cases provided by the database server when the equipment of the siphon filter is adjusted, so that automatic adjustment is performed or an operator is guided to perform adjustment, and the running efficiency and the water outlet quality of the siphon filter are further improved.
Further, after the monitoring module acquires the data in the current operation period, the data which are the same as the data in the current operation period and the corresponding operation conditions are found in the existing data of the database server, and adjustment suggestions are given according to the data and the corresponding operation conditions, so that more problems caused by inexperience are avoided, and the operation efficiency and the water outlet quality of the siphon filter are further improved.
Drawings
FIG. 1 is a block diagram of a system of the present invention;
FIG. 2 is a schematic illustration of the position of the collection and actuator in a single siphon filter according to the present invention.
In the figure: 1: a water inlet structure; 11: a water inlet tank; 12: a water distribution tank; 13: a water inlet siphon pipe; 14: a water inlet weir; 15: a water inlet groove of the single-lattice filter tank; 16: a water distribution pipe; 17:2: a water distribution structure; 21: a water collection tank; 22: a water outlet pipe; 23: a water outlet well; 24: a water outlet weir; 25: a clear water pipe; 3: a flushing structure; 31: a vacuum device; 32: flushing the siphon tube; 33: flushing the drain pipe; 4: a filter layer; 51: a first pressure sensor; 52: a second pressure sensor; 53: an ultrasonic terminal; 61: a first electrically operated valve; 62: a second electrically operated valve; 63: a first electromagnetic valve; 64: and a second electromagnetic valve.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to FIG. 1, a block diagram of the system of the present invention is shown. The system comprises a monitoring module, a working module and a database server. The working module is a siphon filter, the working module is internally provided with a collecting mechanism and an executing mechanism, the collecting mechanism is used for collecting corresponding working parameters of corresponding parts and positions when the siphon filter operates, the executing mechanism is used for switching the corresponding parts in the siphon filter to the corresponding states so as to enable the siphon filter to be in the corresponding working states, and one-time filtration and one-time back flushing of the siphon filter are one operation period;
the monitoring module is respectively connected with the acquisition mechanism and the execution mechanism, and is used for receiving the working parameters of the corresponding components measured by the acquisition mechanism and controlling the execution mechanism to adjust the working parameters of the corresponding components to corresponding values or switch the corresponding components to corresponding running states according to the working parameters;
and the database server is connected with the monitoring module and used for storing the data uploaded by the monitoring module, wherein the data uploaded by the monitoring module comprise the working parameters, output by the acquisition mechanism, of the corresponding components and the control command output by the monitoring module to the execution mechanism.
Specifically, the monitoring module is provided with an interactive interface which is based on a desktop operating system, is used for receiving and processing data and is provided with a visual graph; the acquisition mechanism is used for monitoring a plurality of corresponding parameters of the corresponding siphon filter and transmitting the parameters to the monitoring module.
Specifically, the tail ends of the actuating mechanisms of the invention are connected with the control parts of the electric valve, the electromagnetic valve, the air compressor and the water pump of the siphon filter tank, and are used for controlling the opening and closing of the electric valve, the electromagnetic valve, the air compressor and the water pump and the opening and closing degree of the electric valve, the electromagnetic valve, the air compressor and the water pump.
Specifically, the database server of the invention is connected with a plurality of similar monitoring modules and working modules connected with the monitoring modules, and is used for recording and reading data generated by each monitoring module.
Under the mutual coordination of the modules, the system can achieve the intelligent optimization control of reducing operation and maintenance manpower and improving the operation water outlet quality so as to optimize the siphon filter, thereby improving the operation efficiency and the water outlet quality of the siphon filter.
Referring to FIG. 2, a schematic diagram of the position of the collection mechanism and the actuator in a single siphon filter according to the present invention is shown. The siphon filter tank comprises:
the water inlet structure 1 comprises a water inlet tank 11, a water distribution tank 12, a water inlet siphon 13, a single-grid filter water inlet tank 14 and a water distribution pipe 15; wherein the water inlet groove 11 is positioned at the upper part of the siphon filter group and is used for guiding the raw water which is not filtered by each siphon filter to each siphon filter and naturally flows into a water distribution groove adjacent to the water inlet groove 11; the water distribution tanks 12 are annularly arranged in a siphon filter group, raw water in the siphon filter group is siphoned to flow into a single-grid filter water inlet tank 14 which is close to the water distribution tank 12 from a water inlet siphon 13 positioned above the water distribution tank 12, and then the raw water is distributed in the siphon filter by a water distribution pipe 15 positioned below the single-grid filter water inlet tank 14;
the water distribution structure 2 comprises a water collecting tank 21, a water outlet pipe 22, a water outlet well 23, a water outlet weir 24 and a clear water pipe 25; the raw water flows into a water collecting tank 21 positioned at the bottom of the siphon filter after being filtered in each siphon filter, the water level in the water collecting tank 21 is higher than the upper surface of a water outlet pipe 22 in the water collecting tank 21 by a communicating vessel principle, the filtered water flows into a water outlet well 23 positioned outside the side wall of the siphon filter through the water outlet pipe 22, and then upper clean water is separated by a water outlet weir 24 positioned in the water outlet well 23 and flows into a clean water pipe 25 positioned at the lower part of the water outlet well 23 at the side far away from the water outlet pipe 22;
a flushing structure 3 including a vacuum device 31, a flushing siphon 32, and a flushing drain pipe 33; the vacuum device 31 is used for vacuumizing the water inlet siphon pipe 13 and the flushing siphon pipe 32 to form siphons; the flushing drain pipe 33 is positioned at the bottom of the siphon filter tank and used for discharging back flushing water;
and the filter layer 4 is arranged on the water collecting tank and uniformly covers the water collecting tank for filtering raw water.
Specifically, the monitoring module has a first pressure sensor 51 and a second pressure sensor 52 at two terminals for detecting pressure above the water collecting tank 21 and the filter layer 4, and an ultrasonic terminal 53 at the surface of the liquid surface above the filter layer 4, so as to measure the water head in front of and behind the filter layer 4, that is, the water head h1 of the monitoring point at the front end of the filter layer, the water head h2 of the monitoring point at the rear end of the filter layer, and the flatness R of the upper surface of the filter layer 4. After the monitoring point water head h1 at the front end of the filter layer and the monitoring point water head h2 at the rear end of the filter layer are measured, the terminal for detecting the pressure transmits data to the monitoring module based on the desktop operating system through the monitoring module of the siphon filter tank.
The actuating mechanism is provided with a first electric valve 61 which is arranged on a pipeline connected with the vacuum device on the water inlet siphon pipe and used for controlling the communication state and degree of the water inlet siphon pipe and the vacuum device or the atmosphere, a second electric valve 62 which is arranged on a pipeline connected with the flushing siphon pipe and the vacuum device or the atmosphere and used for controlling the communication state and degree of the flushing siphon pipe and the vacuum device or the atmosphere, a first electromagnetic valve 63 which is arranged in front of the vacuum pump and used for controlling the switch of the pipeline connected with the vacuum pump, and a second electromagnetic valve 64 which is arranged on a pipeline section of the water outlet well connected with the tail end of the water outlet pipe and used for controlling the switch of the water outlet pipe;
the siphon filter chamber applied by the system does not need to change the main body structure of the siphon filter chamber and can be loaded in the old siphon filter chamber, thereby effectively reducing the cost of loading the system.
Specifically, the operation rules of the system of the invention are as follows:
setting an experience critical water head difference delta h0 based on a database processor at a certain time in an operation period, when the siphon filter is in a siphon filtering state, controlling the first pressure sensor to collect the water head h1 of the monitoring point at the front end of the filter layer and controlling the second pressure sensor to collect the water head h2 of the monitoring point at the rear end of the filter layer by the monitoring module, after detection, calculating the water head difference delta h between the front end and the rear end of the filter layer, judging whether the siphon filter is in normal operation according to the delta h, setting delta h=h2-h 1,
if Δh= Δh0, the monitoring module determines that the siphon filter tank normally operates, and the executing mechanism is not required to be controlled to adjust the operating parameters or the working states of the corresponding components;
if Deltah > -Deltah 0, the monitoring module judges that the water head loss generated by the filter layer is smaller than the normal water head loss, the monitoring module calculates the difference Deltaha between Deltah and Deltah 0 and judges whether the filter layer is damaged according to Deltaha, and Deltaha= Deltah-Deltah 0 is set;
if Deltah < Deltah0, the monitoring module judges that the water head loss generated by the filter layer is larger than the normal water head loss and judges that the siphon filter tank needs to be switched to a back flushing state, the monitoring module controls the first electric valve to be opened so as to destroy the vacuum environment in the water inlet siphon pipe, controls the vacuum pump and the vacuum device to be started so as to vacuumize the flushing siphon pipe and controls the second electric valve to be closed so as to form vacuum in the flushing siphon pipe, so that the switching of the siphon back flushing state is completed; the monitoring module calculates an absolute value Deltahb of the difference between Deltah 0 and Deltah when judging that the siphon filter tank is required to be switched to a back flushing state, and starts and stops the vacuum pump and the vacuum device or adjusts the opening of the first electric valve and the second electric valve to corresponding values according to Deltahb;
the siphon filter tank can be optimized in an allowable range on the premise of saving manpower, so that the operation efficiency and the water outlet quality of the siphon filter tank are further improved.
Specifically, a first preset low head difference Deltaha 1 and a second preset low head difference Deltaha 2 are arranged in the monitoring module, wherein Deltaha 1 < Deltaha2, when the monitoring module needs to judge whether the filter layer is damaged according to the Deltaha, the monitoring module compares Deltaha with Deltaha 1 and Deltaha 2 respectively,
if delta ha is less than or equal to delta ha1, the monitoring module judges that the difference value is within an allowable difference value interval and judges that the siphon filter tank normally operates;
if delta ha1 is less than delta ha2, the monitoring module controls an ultrasonic sensor arranged above the filter layer and positioned at the liquid level to detect the flatness R of the filter layer and judges whether the filter layer is damaged according to the R;
unnecessary production stoppage is avoided, so that the operation efficiency of the siphon filter is further improved.
If delta ha > -delta ha2, the monitoring module judges that the filter layer is damaged and sends out a filter layer damage alarm;
specifically, a first preset flatness R01 and a second preset flatness R02 are arranged in the monitoring unit, wherein R01 is smaller than R02, when the monitoring module judges that Deltaha1 < Deltaha2is smaller than or equal to Deltaha2, the monitoring module compares the measured R with R01 and R02 respectively,
if R is less than R01, the monitoring module judges that the filter layer is damaged, the monitoring module gives a damage alarm and controls the executing mechanism to stop continuous water inlet by opening the first electric valve to break vacuum, and to stop continuous water outlet for maintenance by closing the second electric valve;
if R01 is not less than R02, the monitoring module preliminarily judges that the filter layer is damaged, and the monitoring module performs filter layer damage early warning and alarming;
if R02 is less than R, the monitoring module judges that the filter layer is not damaged, and controls the executing mechanism to delay the filtering time of the siphon filter to improve the water yield of the siphon filter so as to improve the operation efficiency of the siphon filter;
the water outlet quality reduction caused by the damage of the filter layer is avoided, so that the water outlet quality of the siphon filter is further improved.
Further, a first preset overhigh head difference Deltahb 1 and a second preset overhigh head difference Deltahb 2 are arranged in the monitoring module, wherein Deltahb 1 < Deltahb2, when the module needs to judge whether the filter layer is hardened or not according to Deltahb, the monitoring module compares Deltahb with Deltahb 1 and Deltahb 2 respectively,
if delta hb is less than or equal to delta hb1, the monitoring module judges that the difference value is within an allowable difference value interval and judges that the siphon filter tank normally operates;
if delta hb1 is less than or equal to delta hb2, the monitoring module preliminarily judges that the filter layer is in a critical state of filter layer hardening, and the monitoring module performs filter layer hardening early warning and controls the executing mechanism to reduce the filtering time of the siphon filter so as to improve the water outlet quality of the siphon filter;
if delta hb > -delta hb2, the monitoring module judges that the filter layer is in a filter layer hardening state, the monitoring module carries out filter layer hardening alarm and controls the executing mechanism to stop continuous water inlet by opening the first electric valve to break vacuum and stop the second electric valve to stop continuous water outlet for maintenance;
and the shutdown and production stopping caused by hardening of the filter layers are avoided, so that the operation efficiency of the siphon filter is further improved.
Specifically, when the adjustment of the actuating mechanism is completed, the monitoring module records a plurality of corresponding parameters measured at corresponding moments in a new operation period of the siphon filter as feedback parameters and compares each feedback parameter with delta h0 and R0 respectively to re-judge the operation state of the siphon filter in the period, wherein the feedback parameters comprise a water head difference delta h 'between the front and the rear of the filter layer for comparison with delta h0 and a flatness R' of the filter layer for comparison with R0; the water outlet quality reduction caused by unknown problems is avoided, so that the water outlet quality of the siphon filter is further improved.
If the monitoring module judges that the siphon filter is in a normal running state, the alarm of the monitoring module is released;
if the monitoring module judges that the siphon filter is still in the same alarm state and can not normally operate after the adjustment of two continuous operation periods, the monitoring module alarms for unknown problems and controls the executing mechanism to stop continuous water inlet by opening the first electric valve to break vacuum, and to stop the second electromagnetic valve to stop continuous water outlet for maintenance, thereby avoiding shutdown and production stopping caused by hardening of the filter layers and further improving the operation efficiency of the siphon filter.
Specifically, when receiving the data output by the acquisition mechanism, the monitoring module extracts the known data pre-stored by the database server from the database server and compares the known data with the received data to judge whether the siphon filter tank has the same condition in the history operation, and the monitoring module sends out an instruction to the execution mechanism or an alarm in the monitoring module by taking the instruction as a reference, and can compare and reference the case provided by the database server when the monitoring module adjusts the equipment of the siphon filter tank, thereby automatically adjusting or guiding an operator to adjust, and further improving the operation efficiency and the water outlet quality of the siphon filter tank.
Specifically, the known data comprise data received and sent by the monitoring module in a plurality of operation periods of the siphon filter with the same type as the siphon filter, and when the monitoring module compares the received data with the known data, the historical operation parameter curves of the siphon filter with the same type as the siphon filter are synthesized to judge the operation condition of the current siphon filter, so that more problems caused by inexperienced are avoided, and the operation efficiency and the water outlet quality of the siphon filter are further improved.
After the steps, the next operation period is measured;
if the same alarm is not solved in two adjacent periods, the monitoring module alarms unknown problems and controls the executing mechanism to close the water inlet and the water outlet of the siphon filter to be maintained;
on the basis, the monitoring module based on the desktop operating system transmits the data of the current event to the database and records the data; when similar problems occur, the processing scheme of the event can be given after the data servers are compared, and the adjustment processing is rapidly carried out through a monitoring module based on a desktop operating system.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An intelligent optimization system for a siphon filter, comprising:
the working module is a siphon filter, the working module is internally provided with a collecting mechanism and an executing mechanism, the collecting mechanism is used for collecting corresponding working parameters of corresponding parts and positions when the siphon filter operates, the executing mechanism is used for switching the corresponding parts in the siphon filter to the corresponding states so as to enable the siphon filter to be in the corresponding working states, and one-time filtration and one-time back flushing of the siphon filter are one operation period;
the monitoring module is respectively connected with the acquisition mechanism and the execution mechanism, and is used for receiving the working parameters of the corresponding components measured by the acquisition mechanism and controlling the execution mechanism to adjust the working parameters of the corresponding components to corresponding values or switch the corresponding components to corresponding running states according to the working parameters;
the database server is connected with the monitoring module and used for storing data uploaded by the monitoring module, wherein the data uploaded by the monitoring module comprise working parameters, output by the acquisition mechanism, of the corresponding components and control commands output by the monitoring module to the execution mechanism;
the siphon filter tank comprises:
the water inlet structure comprises a water inlet tank, a water distribution tank, a water inlet siphon pipe, a single-grid filter water inlet tank and a water distribution pipe; the water inlet groove is positioned at the upper part of the siphon filter group and is used for guiding raw water which is not filtered by each siphon filter to each siphon filter and naturally flows into the water distribution groove which is adjacent to the water inlet groove; the water distribution tanks are annularly arranged in the siphon filter tank group, raw water in the water distribution tanks is subjected to siphon action and flows into the water inlet tanks of the adjacent single-grid filter tanks from the water inlet siphon pipes above the water distribution tanks, and the raw water is distributed in the siphon filter tanks through the water distribution pipes below the water inlet tanks of the single-grid filter tanks;
the water distribution structure comprises a water collecting tank, a water outlet pipe, a water outlet well, a water outlet weir and a clear water pipe; the raw water flows into a water collecting tank positioned at the bottom of the siphon filter after being filtered in each siphon filter, the water level in the water collecting tank is higher than the upper surface of a water outlet pipe in the water collecting tank by a communicating vessel principle, the filtered water flows into a water outlet well positioned outside the side wall of the siphon filter through the water outlet pipe, and then upper clean water is separated by a water outlet weir positioned in the water outlet well and flows into a clean water pipe positioned at the lower part of the water outlet well and at one side of the water outlet well far away from the water outlet pipe;
a flushing structure comprising a vacuum device, a flushing siphon pipe and a flushing drain pipe; the vacuum device is used for vacuumizing the water inlet siphon and the flushing siphon to form siphons; the flushing drain pipe is positioned at the bottom of the siphon filter tank and used for discharging back flushing water;
the filter layer is arranged on the water collecting tank and uniformly covers the water collecting tank to filter raw water;
the collecting mechanism comprises a plurality of collecting terminals and a plurality of ultrasonic sensors, wherein the collecting terminals are used for respectively collecting corresponding data of corresponding positions in the siphon filter, and the collecting terminals comprise a first pressure sensor, a second pressure sensor and an ultrasonic sensor, wherein the first pressure sensor is arranged above the filter layer to detect a water head at the front end of the filter layer, the second pressure sensor is arranged below the filter layer and positioned in the water collecting tank to detect a water head at the rear end of the filter layer, and the ultrasonic sensor is arranged above the filter layer and positioned at the liquid level to detect the flatness of the upper surface of the filter layer;
the actuating mechanism comprises a first electric valve which is arranged on a pipeline connected with the vacuum device on the water inlet siphon pipe and used for controlling the communication state and degree of the water inlet siphon pipe and the vacuum device or the atmosphere, a second electric valve which is arranged on a pipeline connected with the flushing siphon pipe and the vacuum device or the atmosphere and used for controlling the communication state and degree of the flushing siphon pipe and the vacuum device or the atmosphere, a first electromagnetic valve which is arranged in front of the vacuum pump and used for controlling the switch of the pipeline connected with the vacuum pump, a second electromagnetic valve which is arranged on a pipeline section of the water outlet pipe end connected with the water outlet well and used for controlling the switch of the water outlet pipe, and a control element which is respectively arranged on a vacuum pump control box and a control element which is arranged on the vacuum device control box and used for controlling the running state and the running efficiency of the vacuum pump and the vacuum device; the monitoring module is provided with a standard water head difference Deltah 0, when the siphon filter is in a siphon filtering state, the monitoring module controls the first pressure sensor to collect the water head h1 of the monitoring point at the front end of the filter layer and controls the second pressure sensor to collect the water head h2 of the monitoring point at the rear end of the filter layer, after detection is finished, the monitoring module calculates the water head difference Deltah between the front end and the rear end of the filter layer, judges whether the siphon filter operates normally according to the Deltah, and sets Deltah=h2-h 1,
if Δh= Δh0, the monitoring module determines that the siphon filter tank normally operates, and the executing mechanism is not required to be controlled to adjust the operating parameters or the working states of the corresponding components;
if Deltah > -Deltah 0, the monitoring module judges that the water head loss generated by the filter layer is smaller than the normal water head loss, the monitoring module calculates the difference Deltaha between Deltah and Deltah 0 and judges whether the filter layer is damaged according to Deltaha, and Deltaha= Deltah-Deltah 0 is set;
if Deltah < Deltah0, the monitoring module judges that the water head loss generated by the filter layer is larger than the normal water head loss and judges that the siphon filter tank needs to be switched to a back flushing state, the monitoring module controls the first electric valve to be opened so as to destroy the vacuum environment in the water inlet siphon pipe, controls the vacuum pump and the vacuum device to be started so as to vacuumize the flushing siphon pipe and controls the second electric valve to be closed so as to form vacuum in the flushing siphon pipe, so that the switching of the siphon back flushing state is completed; the monitoring module calculates an absolute value Deltahb of the difference between Deltah 0 and Deltah when judging that the siphon filter tank is required to be switched to a back flushing state, and starts and stops the vacuum pump and the vacuum device or adjusts the opening of the first electric valve and the second electric valve to corresponding values according to Deltahb; the monitoring module is provided with a first preset low water head difference delta ha1 and a second preset low water head difference delta ha2, wherein delta ha1 < [ delta ] ha2, when the monitoring module needs to judge whether the filter layer is damaged according to the delta ha, the monitoring module compares the delta ha with the delta ha1 and the delta ha2 respectively,
if delta ha is less than or equal to delta ha1, the monitoring module judges that the difference value is within an allowable difference value interval and judges that the siphon filter tank normally operates;
if delta ha1 is less than delta ha2, the monitoring module controls an ultrasonic sensor arranged above the filter layer and positioned at the liquid level to detect the flatness R of the filter layer and judges whether the filter layer is damaged according to the R;
if delta ha > -delta ha2, the monitoring module judges that the filter layer is damaged and sends out a filter layer damage alarm; the monitoring unit is provided with a first preset flatness R01 and a second preset flatness R02, wherein R01 is smaller than R02, when the monitoring module judges that Deltaha 1 is less than Deltaha 2, the monitoring module compares the measured R with R01 and R02 respectively,
if R is less than R01, the monitoring module judges that the filter layer is damaged, the monitoring module gives a damage alarm and controls the executing mechanism to stop continuous water inlet by opening the first electric valve to break vacuum, and to stop continuous water outlet for maintenance by closing the second electric valve;
if R01 is not less than R02, the monitoring module preliminarily judges that the filter layer is damaged, and the monitoring module performs filter layer damage early warning and alarming;
if R02 is less than R, the monitoring module judges that the filter layer is not damaged, and controls the executing mechanism to delay the filtering time of the siphon filter to improve the water yield of the siphon filter so as to improve the operation efficiency of the siphon filter; the monitoring module is provided with a first preset overhigh head difference delta hb1 and a second preset overhigh head difference delta hb2, wherein delta hb1 < [ delta ] hb2, when the module needs to judge whether the filter layer is hardened according to the delta hb, the monitoring module compares delta hb with delta hb1 and delta hb2 respectively,
if delta hb is less than or equal to delta hb1, the monitoring module judges that the difference value is within an allowable difference value interval and judges that the siphon filter tank normally operates;
if delta hb1 is less than or equal to delta hb2, the monitoring module preliminarily judges that the filter layer is in a critical state of filter layer hardening, and the monitoring module performs filter layer hardening early warning and controls the executing mechanism to reduce the filtering time of the siphon filter so as to improve the water outlet quality of the siphon filter;
if delta hb > -delta hb2, the monitoring module judges that the filter layer is in a filter layer hardening state, the monitoring module carries out filter layer hardening alarm, and controls the executing mechanism to stop continuous water inlet by opening the first electric valve to break vacuum and stop the second electric valve to stop continuous water outlet for maintenance.
2. The intelligent optimization system of a siphon filter according to claim 1, wherein the monitoring module records a plurality of corresponding parameters measured at corresponding moments in a new operation cycle of the siphon filter as feedback parameters when the adjustment of the actuator is completed and compares each feedback parameter with Δh0 and R0 respectively to re-determine the operation state of the siphon filter in the cycle, wherein the feedback parameters include a head difference Δh 'before and after the filter for comparison with Δh0 and a flatness R' of the filter for comparison with R0;
if the monitoring module judges that the siphon filter is in a normal running state, the alarm of the monitoring module is released;
if the monitoring module judges that the siphon filter is still in the same alarm state and still cannot normally operate after the adjustment of two continuous operation periods, the monitoring module alarms unknown problems and controls the executing mechanism to stop continuous water inlet by opening the first electric valve to break vacuum, and to stop the second electromagnetic valve to stop continuous water outlet for maintenance.
3. An intelligent optimization system of a siphon filter according to claim 2, wherein the monitoring module extracts the known data pre-stored by the database server from the database server when receiving the data output by the collection mechanism and compares the known data with the received data to determine whether the siphon filter has the same condition in the historical operation, and takes this as a reference to instruct the execution mechanism or send an alarm in the monitoring module.
4. An intelligent optimization system for a siphon filter according to claim 3, wherein the known data includes data received and transmitted by the monitoring module during a plurality of operation cycles of the siphon filter of the same type as the siphon filter, and the monitoring module synthesizes historical operation parameter curves of the siphon filter of the same type as the siphon filter to determine the current operation of the siphon filter when comparing the received data with the known data.
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