CN209946726U - Circulating water monitoring and adjusting device - Google Patents
Circulating water monitoring and adjusting device Download PDFInfo
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- CN209946726U CN209946726U CN201921019739.1U CN201921019739U CN209946726U CN 209946726 U CN209946726 U CN 209946726U CN 201921019739 U CN201921019739 U CN 201921019739U CN 209946726 U CN209946726 U CN 209946726U
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Abstract
The utility model discloses a circulating water monitoring and adjusting device, which relates to the field of chemical circulating water monitoring, and comprises a secondary instrument, wherein the secondary instrument is electrically connected with a probe, and the probe of the probe is connected in a water outlet pipe of a circulating water pool; the adjusting device comprises a liquid storage tank for containing various supplementary liquids, an outlet pipeline connected with the outlet of the liquid storage tank is provided with an electric ball valve, and the electric ball valve is electrically connected with the secondary instrument; the wireless transmission terminal is connected with the secondary instrument through a shielded twisted pair; the probe transmits the detected water quality parameters to a secondary instrument, the secondary instrument triggers the adjusting device to add supplementary liquid into the circulating water tank according to the water quality parameters, and the water quality parameters are transmitted to an upper computer for storage in real time through a wireless transmission terminal connected to the secondary instrument. Above-mentioned technical scheme improves circulating water quality of water monitoring's frequency, uploads the save with the quality of water parameter in real time, can be automatic and timely regulation circulating water quality of water.
Description
Technical Field
The utility model relates to a chemical industry circulating water monitoring field, more specifically say, relate to a circulating water monitoring adjusting device.
Background
The circulating water mainly comprises industrial circulating water and domestic circulating water, the main purpose is to save water, the industrial circulating water is mainly used in a cooling water system, namely circulating cooling water, the industrial circulating cooling water accounts for more than 90% of the total industrial water consumption, and the domestic circulating water is mainly used on a water heater. The requirements of different industrial systems and different applications on water quality are different, but the requirements of cooling water used by each industrial department on water quality are basically consistent, so that the water quality control of circulating cooling water is rapidly developed as an application technology.
In the chemical industry field, the incrustation scale can be piled up in the heat transfer use of circulating water to the circulating water mainly used heat transfer, if the water scale deposit can cause circulating water heat transfer area to reduce, influences the material output, and the reason that the incrustation scale formed in the circulating water includes: the hardness and alkalinity of the water are simultaneously higher, so that the concentration product of scaling ions in the circulating water exceeds the allowable range; the scale inhibitor has poor effect or the addition amount of the scale inhibitor is too small; the silicate ions, calcium ions, magnesium ions and the like in the water exceed the standard; the flow rate of partial pipeline in the heat exchanger is low, or the water distribution in the tube pass is not good.
In the related technology, the detection of the water quality of the circulating water is performed in a laboratory, the detection frequency is generally once or many times per day, the detection data is uploaded to the dispatching equipment through forms such as a report form, certain hysteresis exists in the detection data, the water quality of the circulating water cannot be adjusted in time due to lack of the detection data, the heat exchanger tube array and the water tube in the circulating device can be seriously blocked after the circulating water is scaled, and the problem of the water quality of the circulating water can be found even sometimes after the heat exchanger or the pipeline is corroded and leaks, so that the heat exchanger and the pipeline of the circulating cooling device can be very passive and economic loss is generated. Therefore, a need exists for a method which can help industrial enterprises to find out the change of the quality of the circulating water in time so as to reduce the corrosion of the change of the quality of the circulating water to the circulating pipeline.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circulating water monitoring and adjusting device to solve the low monitoring data hysteresis of making of prior art well circulating water quality monitoring frequency, the problem that can not in time adjust circulating water quality of water that leads to.
The utility model aims at realizing through the following technical scheme:
a circulating water monitoring and regulating device comprising:
the secondary instrument is electrically connected with a probe, and a probe of the probe is arranged in a water outlet pipe of the circulating water tank; the secondary instrument is used for displaying the water quality parameters of the circulating water in the water outlet pipe detected by the probe, and determining the type of adding the supplementary liquid into the circulating water tank according to the water quality parameters;
the adjusting device comprises a plurality of liquid storage tanks for containing different supplementary liquids, an outlet pipeline connected with the outlets of the liquid storage tanks is provided with an electric ball valve, and the electric ball valve is electrically connected with the secondary instrument; the electric ball valve is used for receiving a trigger signal output by the secondary instrument and controlling the on-off of the outlet pipeline;
and the wireless transmission terminal is connected with the secondary instrument through a shielded twisted pair, and is used for transmitting the water quality parameters to an upper computer for storage.
Optionally, the method further includes: and the audible and visual alarm is electrically connected with the secondary instrument and used for sending alarm information when the secondary instrument judges that the water quality parameter exceeds the standard.
Optionally, the probe comprises a plurality of probes, the probes comprising a first probe for detecting chloride ion concentration; a second probe for detecting the pH value; a third probe for detecting conductivity; and the fourth probe is used for detecting the water quality hardness value.
Optionally, the secondary instrument comprises a multi-parameter water quality detector and a water hardness analyzer; the probe is respectively connected with the multi-parameter water quality detector and the water hardness analyzer.
Optionally, the multi-parameter water quality detector comprises a water quality detector of NBDT-1800 type; the water hardness analyzer comprises a PMG-1080C type water hardness analyzer.
Optionally, the multi-parameter water quality monitor and the water hardness analyzer both include:
the data processing chip is electrically connected with the probe and used for converting the millivolt signal detected by the probe into a digital signal, comparing the digital signal with a preset threshold value and then outputting a trigger signal;
the solid-state relay is electrically connected with the data processing chip and used for adjusting the on and off of a switch of the solid-state relay according to a received control signal;
and the liquid crystal display is electrically connected with the data processing chip and is used for displaying the digital signals output by the data processing chip.
Optionally, an electric ball valve in the adjusting device is electrically connected with a solid-state relay in the secondary instrument;
when the solid-state relay is started, the electric ball valve is closed, and the outlet pipeline of the liquid storage tank connected with the electric ball valve is closed;
when the solid-state relay is closed, the electric ball valve is opened, and the outlet pipeline is opened by the liquid storage tank connected with the electric ball valve.
Optionally, the solid-state relay is connected with an audible and visual alarm, and when the solid-state relay is closed, the audible and visual alarm gives an alarm.
Optionally, the preset threshold in the data processing chip includes: the PH value is less than or equal to 7; the conductivity is more than or equal to 500 us/cm; the hardness is more than or equal to 1000+200 ppm; the chloride ion is more than or equal to 300 g/L.
Optionally, the wireless transmission terminal includes a DTU module; the DTU module is connected with the secondary instrument through a shielded twisted pair, and the DTU module is used for outputting the water quality parameters output by the secondary instrument to an upper computer through an RS-485 communication bus.
Compared with the closest prior art, the utility model provides a technical scheme has following beneficial effect:
the utility model provides a circulating water monitoring and adjusting device which comprises a secondary instrument, wherein a probe is arranged on the secondary instrument and is arranged on a water outlet pipe of a circulating water pool; the adjusting device comprises a liquid storage tank for supplementing liquid and an electric ball valve arranged on an outlet pipeline of the liquid storage tank; therefore, the probe transmits the water quality parameters monitored from the water outlet pipe of the circulating water tank to the secondary instrument, the secondary instrument controls the opening and closing of the electric ball valve on the outlet pipeline of the liquid storage tank in the adjusting device according to the water quality parameters through internal data comparison, and the timely adjustment of the circulating water quality is realized; the water quality parameter monitoring system further comprises a wireless transmission terminal connected with the secondary instrument through a shielded twisted pair, and the water quality parameter in the secondary instrument is uploaded to an upper computer to be stored in real time for technical staff to carry out data analysis. According to the technical scheme, the circulating water quality of the chemical plant can be monitored for multiple times and data can be acquired in time, and when the change of the circulating water quality is monitored through the coordination work of all devices, the make-up fluid is added in time to adjust the circulating water quality, so that the service cycle of the circulating device and the use frequency of the circulating water are effectively prolonged, and the energy is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an installation structure of a circulating water monitoring and adjusting device provided by the present invention;
fig. 2 is a schematic diagram of the principle of the circulating water monitoring and adjusting device provided by the present invention;
fig. 3 is a schematic view of the electric valve control principle provided by the present invention;
FIG. 4 is a schematic view of the control principle of the alarm provided by the present invention;
fig. 5 is a schematic diagram illustrating a solid-state relay control according to the present invention;
fig. 6 is a schematic diagram of another solid-state relay control provided by the present invention;
fig. 7 is a schematic view of the assembly of the secondary instrument provided by the present invention;
wherein: 1-secondary instrumentation; 101-a first probe; 102-a second probe; 103-a third probe; 104-a fourth probe; 2-a wireless transmission terminal; 3-a liquid storage tank; 4-a data processing chip; 5-liquid crystal display screen; 6-solid state relay; 7-an electric ball valve; YV 1-first motorized ball valve; YV 2-second motorized ball valve; YV 3-third electric ball valve; YV 4-fourth motorized ball valve; KA 1-hardness solid state relay; KA2-PH solid state relay; KA 3-chloride ion solid state relay; KA 4-conductivity solid state relay; an FU-fuse; PJ-audible and visual alarm.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
This embodiment provides a circulating water monitoring and adjusting device, has solved among the prior art circulating water quality of water monitoring frequency low, and monitoring data lags behind, can not in time adjust the problem of circulating water quality of water.
Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
The technical scheme of the circulating water monitoring and adjusting device provided by the embodiment is described with reference to the attached drawings 1-5.
As shown in fig. 1, the circulating water monitoring and adjusting device provided in this embodiment can be divided into a monitoring device and an adjusting device, wherein a data input end of the monitoring device is a probe installed on a water outlet pipe of a circulating water tank, and the adjusting device is used for adding a make-up fluid into the circulating water tank to adjust the quality of the circulating water.
Specifically, the circulating water monitoring device comprises a secondary instrument 1, wherein a probe is arranged on the secondary instrument 1, and a probe of the probe is arranged on a water outlet pipe of a circulating water pool and is used for monitoring water quality parameters of circulating water at the water outlet pipe; the secondary instrument controls the type of the supplementary liquid added into the circulating water pool according to the water quality parameter of the circulating water detected by the probe, and the secondary instrument can also display the water quality parameter detected by the probe.
Still include adjusting device, adjusting device includes a plurality of liquid storage tanks 3 that contain the heterogeneous make-up fluid, is provided with electric ball valve 7 on the outlet pipe of liquid storage tank, just electric ball valve 7 is connected with secondary instrument 1 electricity, and secondary instrument 1 is according to the relation output triggering signal of quality of water parameter and threshold value that sets up in advance to opening or closing of control electric ball valve 7, and then the break-make of the outlet pipe of control liquid storage tank 3, the kind of control addition make-up fluid in to the circulation pond.
The water quality monitoring system also comprises a wireless transmission terminal 2 which is connected with an RS-485 communication interface of the secondary instrument 1 through a shielded twisted pair and transmits the water quality parameters converted by the secondary instrument 1 to an upper computer for storage.
In some embodiments, as shown in fig. 2, the circulating water monitoring and regulating device further includes an audible and visual alarm PJ electrically connected to the secondary meter for sending alarm information when the secondary meter determines that the water quality parameter exceeds the standard, and optionally, the alarm information includes an audible alarm, a luminous alarm and an audible and visual alarm. The staff can record the water quality parameter displayed by the secondary instrument according to the alarm information of the acousto-optic alarm.
In some embodiments, the secondary instrument includes a data processing chip 4, and a liquid crystal display 5 and a solid-state relay 6 respectively connected with the data processing chip 4, wherein the liquid crystal display 5 is used for receiving and displaying the water quality parameters monitored by the probe, and the solid-state relay 6 receives the trigger signal of the data processing chip 4 to control the self to open and close, so as to drive the closing and opening of an electric ball valve 7 connected with the solid-state relay.
The data processing chip 4 is electrically connected with a probe which is arranged on the secondary instrument in a sleeved mode, the data processing chip 4 can convert a millivolt signal output by the probe into a digital signal, the digital signal is output to a liquid crystal display screen, and the digital signal is displayed as a water quality parameter detected by the probe;
the data processing chip 4 compares the digital signal with a preset threshold value, if the water quality parameter is greater than the preset threshold value, a trigger signal is output to a solid-state relay connected with the data processing chip to close the solid-state relay, the adjusting device is controlled to add make-up liquid into the circulating water pool, optionally, the solid-state relay 6 is connected with an electric ball valve 7 in the adjusting device through an electric wire, and when the water quality parameter is greater than the preset threshold value, the data processing chip 4 triggers a switch of the solid-state relay to close the switch, so that the quick-switching valve of the electric ball valve is opened by the solid-state relay, an outlet pipeline of the liquid storage tank is opened, and the make-up liquid is added into the circulating water pool;
if the water quality parameter is smaller than the preset threshold value, no trigger signal is output, the solid-state relay is started, a quick-cut valve of an electric ball valve in an adjusting device connected with the solid-state relay is closed, an outlet pipeline of the liquid storage tank is closed, and the adjusting device does not add any supplementary liquid into the circulating water tank.
Optionally, the data processing chip 4 is the same as a data processing chip inside a multi-parameter water quality detector and other devices for measuring water quality parameters in the prior art, and can be connected with a solid-state relay to process data and output a trigger signal. Illustratively, when a factory needs to detect that the water quality parameter of the circulating water is 4 parameters, in some embodiments, 2 devices are added in a secondary instrument, two data processing chips with the same type are used to monitor four parameters by four probes and respectively control four solid-state relays to adjust the water quality parameter of the circulating water, a schematic connection diagram of the data processing chip and the solid-state relays is shown in fig. 5,taking a data processing chip as an example, as shown in (1) of fig. 5, the first input pin Vin1 is connected to the first probe 101, and the second input pin Vin2 is connected to the second probe 102; first output pin
Is connected with a first electric ball valve KA1 and a second output pin
The second electric ball valve KA2 is connected, after the water quality parameters monitored by the first probe and the second probe in real time are compared with a preset threshold value, the data processing chip selects the first output pin or the second output pin to output a trigger signal or simultaneously outputs a low level signal according to the level of the corresponding level to control the first electric ball valve or the second electric ball valve to be opened or closed, as shown in (2) in fig. 5, the two input pins of the second data processing chip are respectively connected with the third probe and the fourth probe; the two output pins are respectively connected with the third electric ball valve and the fourth electric ball valve, and the data processing chip outputs a trigger signal to control the connection relation and the processing process of the electric ball valves to be the same as those of the first data processing chip.
In other embodiments, one device is used in the secondary instrument, that is, parameters acquired by 4 probes can be input by using one data processing chip, and four water quality parameters are respectively controlled, the schematic connection diagram of the data processing chip and the solid-state relay is shown in fig. 6, four input pins of the data processing chip are respectively and correspondingly connected with four probes, and four low-level output pins are respectively connected with four electric ball valves; after the water quality parameters monitored by the four probes in real time are compared with preset threshold values, the electric ball valve is controlled to be opened or closed according to the level of the corresponding level signal, so that the secondary instrument can monitor the water quality parameters of the circulating water.
It should be noted that, the implementation of the driving control program for converting the signal and comparing the digital signal with the preset threshold in the data processing chip may refer to a signal conversion program and a value comparison program that are mature in the field, and the data processing chip in this embodiment may process the data by adaptively modifying the relevant parameters based on the existing program.
In other embodiments, the secondary meter is assembled by a multi-parameter water quality detector and a water hardness analyzer, as shown in fig. 7, different types of probes are configured in the multi-parameter water quality detector to monitor different water quality parameters in the circulating water, and the probe configured on the water hardness analyzer is used for monitoring the hardness of the circulating water.
Optionally, four probes are configured in the secondary instrument, which are a first probe 101 for detecting chloride ion concentration, a second probe 102 for detecting PH value, a third probe 103 for detecting conductivity, and a fourth probe 104 for detecting water hardness value; in a secondary instrument assembled by a multi-parameter water quality detector and a water hardness analyzer, as shown in fig. 6, a first probe 101, a second probe 102 and a third probe 103 are arranged in the multi-parameter water quality detector, the first probe 101 is selected as a residual chlorine sensor, the second probe 102 is selected as a PH sensor, and the third probe 103 is selected as a conductivity sensor; the fourth probe 104 is disposed in the water hardness analyzer.
Optionally, the multi-parameter water quality detector is a water quality detector of NBDT-1800 type, the water hardness analyzer is a water hardness analyzer of PMG-1080C type, and the apparatus comprises: a liquid crystal display screen 5 capable of simultaneously displaying multiple parameters; the instrument is provided with an RS-485 communication interface, a data processing chip 4 and a solid-state relay 6 are arranged inside the multi-parameter water quality detector and the water quality hardness analyzer, the data processing chip inside the instrument converts millivolt signals detected by the probe into 485 communication signals, so that the 485 communication signals can be output through the RS-485 communication interface, and the instrument allows a user to input a parameter threshold through a menu on an equipment dial plate, so that the water quality parameters and the parameter threshold can be conveniently compared, the on-off of the solid-state relay is controlled, and a trigger signal is output; the support is networked, and online acquisition software of an upper computer is supported to acquire and process data.
Different enterprises have different monitoring requirements on the water quality parameters of the circulating water, the quantity and the effect of probes connected on a secondary instrument or a multi-parameter water quality detector and a water hardness analyzer and the sensors used by the probes are different, and the selection can be made according to actual needs.
In some embodiments, the threshold preset in the data processing chip 4 in the secondary meter includes: the PH value is less than or equal to 7; the conductivity is more than or equal to 500 us/cm; the hardness is more than or equal to 1000+200 ppm; the chlorine ions are more than or equal to 300g/L, if the water quality parameter monitored by the probe exceeds or is lower than a preset threshold value, the secondary instrument controls the solid-state relay to control the electric ball valve to be opened or closed so as to control the adjusting device to add or stop adding the supplementary liquid into the circulating water pool, illustratively, when the hardness value exceeds the upper limit of the set threshold value of 1000+200PPM, the hardness solid-state relay KA1 is triggered to be conducted, the first electric ball valve YV1 in the adjusting device is controlled to be opened, and the liquid storage tank adds the descaling liquid into the circulating water pool so as to reduce the hardness value of the circulating water; when the hardness value is reduced to be less than 1000-200PPM, the hardness solid-state relay KA1 is triggered to be closed, the first electric ball valve YV1 is controlled to be closed, and the liquid storage tank stops adding descaling liquid into the circulating water pool, so that the circulating water reaches the monitoring standard.
According to different requirements of circulating devices of different factory enterprises on the quality of circulating water and different main detection and adjustment parameters, different supplements can be added into the circulating water pool. Optionally, determining to contain the acidic solvent or the alkaline solvent in the liquid storage tank according to the measured pH value or according to the measured big data of the pH value parameter of the circulating water; if the chloride ions exceed the standard, adding the soft water which is contained in the liquid storage tank and is used for removing the chloride ions into the circulating water tank; the water quality parameters in the circulating water are monitored in real time, the water quality parameters in the circulating water pool are adjusted in time, and the corrosion and damage of the circulating water to the circulating water device are reduced.
In some embodiments, as shown in fig. 1, 3 and 4, the secondary meter includes 4 solid-state relays, four probes are respectively and correspondingly disposed, the 4 solid-state relays are connected to a live wire through a fuse FU to ensure that the fuse is timely disconnected when an excessive current is generated when the secondary meter fails, and safety of equipment and system circuits is ensured, the 4 solid-state relays are respectively and electrically connected to electric ball valves on outlet pipes of 4 liquid storage tanks in the regulating device, that is, the hardness solid-state relay KA1-1 is connected to the first electric ball valve YV1, the PH solid-state relay KA2-1 is connected to the second electric ball valve YV2, the chloride ion solid-state relay KA3-1 is connected to the third electric ball valve YV3, and the solid-state conductivity relay KA4-1 is connected to the fourth electric ball valve YV 4;
the audible and visual alarm PJ is connected with the solid-state relay in the secondary instrument, and 4 solid-state relays are connected with the audible and visual alarm PJ in parallel.
In some embodiments, the wireless transmission terminal 2 in the circulating water monitoring and adjusting device may select a DTU module (Data Transfer unit) or a long-distance wireless transmission module, for example, the product model is Data-6121, the product is designed with low power consumption, and can remotely transmit Data through GPRS or short message, and support an RS485 communication mode. The DTU module is connected to an RS485 communication interface of the secondary instrument, and the collected water quality parameters are uploaded to an upper computer through a serial port bus for storage. Optionally, the upper computer may select a server or a cloud server to perform physical storage and cloud storage on the data, so as to prevent data loss; the host computer also can choose the smart machine that can connect the internet for use, looks over the monitoring data that this embodiment of the monitoring adjusting device that provides returned in real time, the circulating water parameter and the quality of water condition of circulating water that the monitoring device gathered are monitored to the people.
Further, the staff can store the water quality parameters in the upper computer or upload the water quality parameters to a cloud server for storage based on a mature software program in the prior art; the water quality parameters uploaded to the upper computer in real time can be respectively drawn into a trend graph by using visual data analysis software or a visual data analysis platform and stored in the form of the trend graph, so that the historical data of the circulating water can be conveniently inquired and analyzed by workers; preferably, after the upper computer receives the field detection data uploaded by the wireless transmission module, the upper computer compares and checks the actual detection value and the set high alarm value of the corresponding detection project data according to a software program, and when the actual data reaches the high alarm, the upper computer displays alarm information or uploads the alarm information to a handheld terminal connected in the system.
The circulating water monitoring and adjusting device provided by the specific embodiment comprises a secondary instrument, wherein a probe is arranged on the secondary instrument and is installed on a water outlet pipe of a circulating water tank; the adjusting device comprises a liquid storage tank for supplementing liquid and an electric ball valve arranged on an outlet pipeline of the liquid storage tank; therefore, the probe transmits the water quality parameters monitored from the water outlet pipe of the circulating water tank to the secondary instrument, the secondary instrument controls the opening and closing of the electric ball valve on the outlet pipeline of the liquid storage tank in the adjusting device according to the water quality parameters through internal data comparison, and the timely adjustment of the circulating water quality is realized; the water quality parameter monitoring system further comprises a wireless transmission terminal connected with the secondary instrument through a shielded twisted pair, and the water quality parameter in the secondary instrument is uploaded to an upper computer to be stored in real time for technical staff to carry out data analysis. According to the technical scheme, the circulating water quality of the chemical plant can be monitored for multiple times and data can be acquired in time, and when the change of the circulating water quality is monitored through the coordination work of all devices, the make-up fluid is added in time to adjust the circulating water quality, so that the service cycle of the circulating device and the use frequency of the circulating water are effectively prolonged, and the energy is saved.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", and the like are used for descriptive purposes and distinction only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A circulating water monitoring and adjusting device is characterized by comprising:
the secondary instrument is electrically connected with a probe, and a probe of the probe is arranged in a water outlet pipe of the circulating water tank; the secondary instrument is used for displaying the water quality parameters of the circulating water in the water outlet pipe detected by the probe, and determining the type of adding the supplementary liquid into the circulating water tank according to the water quality parameters;
the adjusting device comprises a plurality of liquid storage tanks for containing different supplementary liquids, an electric ball valve is arranged on an outlet pipeline connected with the outlets of the liquid storage tanks, and the electric ball valve is electrically connected with the secondary instrument; the electric ball valve is used for receiving a trigger signal output by the secondary instrument and controlling the on-off of the outlet pipeline;
and the wireless transmission terminal is connected with the secondary instrument through a shielded twisted pair, and is used for transmitting the water quality parameters to an upper computer for storage.
2. The monitoring and conditioning device of claim 1, further comprising: and the audible and visual alarm is electrically connected with the secondary instrument and used for sending alarm information when the secondary instrument judges that the water quality parameter exceeds the standard.
3. The monitoring and conditioning device of claim 1, wherein the probe comprises a plurality of probes, the probes comprising a first probe for detecting chloride ion concentration; a second probe for detecting the pH value; a third probe for detecting conductivity; and the fourth probe is used for detecting the water quality hardness value.
4. The monitoring and regulating device of claim 1, wherein the secondary meter comprises a multi-parameter water quality detector and a water hardness analyzer; the probe is respectively connected with the multi-parameter water quality detector and the water hardness analyzer.
5. The monitoring and conditioning unit of claim 4, wherein the multi-parameter water quality monitor comprises a water quality monitor model NBDT-1800; the water hardness analyzer comprises a PMG-1080C type water hardness analyzer.
6. The monitoring and conditioning device of claim 4, wherein the multi-parameter water quality monitor and the water hardness analyzer each comprise:
the data processing chip is electrically connected with the probe and used for converting the millivolt signal detected by the probe into a digital signal, comparing the digital signal with a preset threshold value and then outputting a trigger signal;
the solid-state relay is electrically connected with the data processing chip and used for adjusting the on and off of a switch of the solid-state relay according to a received control signal;
and the liquid crystal display is electrically connected with the data processing chip and is used for displaying the digital signals output by the data processing chip.
7. The monitoring and regulating device according to claim 1 or 6, wherein an electric ball valve in the regulating device is electrically connected with a solid-state relay in the secondary meter;
when the solid-state relay is started, the electric ball valve is closed, and the outlet pipeline of the liquid storage tank connected with the electric ball valve is closed;
when the solid-state relay is closed, the electric ball valve is opened, and the outlet pipeline is opened by the liquid storage tank connected with the electric ball valve.
8. The monitoring and conditioning device according to claim 6, characterized in that the solid-state relay is connected to an audible and visual alarm, which gives an alarm when the solid-state relay is closed.
9. The monitoring and conditioning device of claim 6, wherein the threshold values preset in the data processing chip include: the PH value is less than or equal to 7; the conductivity is more than or equal to 500 us/cm; the hardness is more than or equal to 1000+200 ppm; the chloride ion is more than or equal to 300 g/L.
10. The monitoring and conditioning device of claim 1, wherein the wireless transmission terminal includes a DTU module; the DTU module is connected with the secondary instrument through a shielded twisted pair, and the DTU module is used for outputting the water quality parameters output by the secondary instrument to an upper computer through an RS-485 communication bus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921019739.1U CN209946726U (en) | 2019-07-02 | 2019-07-02 | Circulating water monitoring and adjusting device |
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| CN201921019739.1U CN209946726U (en) | 2019-07-02 | 2019-07-02 | Circulating water monitoring and adjusting device |
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| CN201921019739.1U Expired - Fee Related CN209946726U (en) | 2019-07-02 | 2019-07-02 | Circulating water monitoring and adjusting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236068A (en) * | 2021-11-24 | 2022-03-25 | 中冶赛迪重庆信息技术有限公司 | Chloride ion concentration analysis method and system based on circulating water system |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236068A (en) * | 2021-11-24 | 2022-03-25 | 中冶赛迪重庆信息技术有限公司 | Chloride ion concentration analysis method and system based on circulating water system |
| CN114236068B (en) * | 2021-11-24 | 2024-03-01 | 中冶赛迪信息技术(重庆)有限公司 | Chloride ion concentration analysis method and system based on circulating water system |
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