CN219320270U - Boiler water quality monitoring device based on Internet of things - Google Patents
Boiler water quality monitoring device based on Internet of things Download PDFInfo
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- CN219320270U CN219320270U CN202223449080.8U CN202223449080U CN219320270U CN 219320270 U CN219320270 U CN 219320270U CN 202223449080 U CN202223449080 U CN 202223449080U CN 219320270 U CN219320270 U CN 219320270U
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Abstract
The utility model discloses a boiler water quality monitoring device based on the Internet of things, which belongs to the technical field of boiler water quality on-line monitoring and comprises an integrated cabinet, a cooling device, a cleaning system, a server and a PLC (programmable logic controller); the integrated cabinet is internally provided with a total hardness analyzer, a total alkalinity analyzer, a trace oxygen analyzer, a chloride ion detector, a conductivity detector and a PH value detector; a second water inlet valve is arranged on the water inlet pipe of each detection box; each detection box is provided with a water outlet pipe, and the water outlet pipes are collected and then discharged from a water outlet of the integrated cabinet; according to the cleaning system, the water inlet pipe in the whole device and the detection box of the detection instrument are subjected to periodic scale removal, so that the cleaning of the pipeline and the detection box is ensured, and the accuracy of a water quality monitoring result is ensured; the temperature reducing device is used for firstly reducing the temperature of the water to be detected, so that the damage of boiling water in the boiler to the detecting instrument is avoided, and the service life is prolonged.
Description
Technical Field
The utility model belongs to the technical field of boiler water quality on-line monitoring, and particularly relates to a boiler water quality monitoring device based on the Internet of things.
Background
In recent years, in a large background of shortage of global resource supply and advocacy of low-carbon energy saving, the method can maximally reduce the operation cost of various steam boilers, and is an important measure for improving the economic benefit and the environmental benefit of enterprises. In any facility of a steam boiler, boiler feed water or on-line monitoring of the boiler water is an important step in reducing energy costs.
The boiler water quality monitoring mainly monitors indexes such as conductivity, pH value, dissolved oxygen, hardness, turbidity, total alkalinity and the like on line, and if relevant indexes exceed limits, the boiler water quality monitoring actively alarms and reminds. In the prior art, an integrated boiler water quality online monitoring system, such as a Flumsys 30MT boiler water quality online monitoring system which is proposed by JENSPRIMA corporation, is available, and a user can select measurement parameters according to field requirements. The whole system integrates various detectors into a box body and then realizes real-time monitoring, online display and inquiry by means of the internet technology.
However, the existing boiler water quality monitoring system has the following defects: 1. the boiler water quality monitoring is different from other occasions, the water entering the monitoring system is boiling water with the temperature of 100 ℃ and above, the water directly enters the detector without cooling, and the detector is damaged for a long time. 2. The water inlet pipe that monitoring system and boiler are connected can accumulate the incrustation scale in the long-time back of using, if not clear up, not only hinder rivers but also influence the testing result after long-time. 3. The water entering the monitoring system needs to be temporarily stored in the detection box, and the detection box can influence the detection result if the detection box is cleaned irregularly after multiple detection.
Disclosure of Invention
The technical scheme is as follows: in order to solve the technical problems, the utility model adopts the following technical scheme:
the boiler water quality monitoring device based on the Internet of things comprises an integrated cabinet, a cooling device, a cleaning system, a server and a PLC; the integrated cabinet is internally provided with a total hardness analyzer, a total alkalinity analyzer, a trace oxygen analyzer, a chloride ion detector, a conductivity detector and a PH value detector; the conductivity detector and the PH value detector share one detection box which is a conductivity/PH value detection box; the integrated cabinet is externally provided with a water inlet pipe connected with a water outlet of the boiler, the water inlet pipe is provided with a first water inlet valve and a pressure reducing valve, a water inlet pipe branch after passing through the pressure reducing valve is connected with a total hardness analyzer, a total alkalinity analyzer, a trace oxygen analyzer, a detection box of a chloride ion detector and a conductivity/PH value detection box, and the water inlet pipe of each detection box is provided with a second water inlet valve; each detection box is provided with a water outlet pipe, and the water outlet pipes are collected and then discharged from a water outlet of the integrated cabinet; a water outlet pipe outside the integrated cabinet is provided with a first valve;
the cooling device is arranged outside the integrated cabinet and comprises a cooling box, a cooling pipe and a temperature detector; the cooling box is arranged at the water inlet pipe of the integrated cabinet, the water inlet pipe penetrates through the box body, the cooling pipe is a spiral pipe coiled on the water inlet pipe in the cooling box, and the water inlet pipe and the water outlet pipe of the cooling pipe are connected with an external cold water pipe; the temperature detector is arranged on the water inlet pipe at the cooling pipe; the cooling pipe is provided with a first water pump.
Further, a water storage pipe is arranged at the cooling pipe, and the diameter of the water storage pipe is larger than that of the water inlet pipe; the volume of the water storage pipe is larger than the sum of the volumes of 5 detection boxes in the integrated cabinet. The water storage pipe has the function of carrying out disposable cooling treatment on the water quantity required by disposable detection, thereby meeting the subsequent detection requirement. The temperature detector is arranged on the water storage pipe.
Further, a third water inlet valve and a first flowmeter are arranged on the water inlet pipe in the cooling box, and the first flowmeter can detect the water quantity entering the water inlet pipe and is used for controlling the water quantity entering the water storage pipe at one time.
Further, the cleaning system comprises a cleaning box, a medicament box and a clear water pipe are arranged in the cleaning box, the clear water pipe is connected with an external water supply system, and a second water pump is arranged on the clear water pipe; the scale removing agent is stored in the agent box; a liquid outlet pipe is arranged on the medicament box, and a second flowmeter and a second valve are arranged on the liquid outlet pipe; the liquid outlet pipe is connected with the clear water pipe to form a cleaning main pipe, and a third valve is arranged on the cleaning main pipe; the cleaning main pipe is connected with the water inlet pipe and the boiler water outlet through a tee joint, and a fourth water inlet valve is arranged at the position, close to the boiler water outlet, of the tee joint.
Further, the first valve, the second valve, the third valve, the first water inlet valve, the second water inlet valve, the third water inlet valve and the fourth water inlet valve are all electromagnetic valves.
Further, the temperature detector, the first flowmeter, the second flowmeter, the first water pump, the second water pump, the first valve, the second valve, the third valve, the first water inlet valve, the second water inlet valve, the third water inlet valve and the fourth water inlet valve are all connected with a PLC, a wireless transmitter is arranged on the PLC, and acquired signals are transmitted to the server and controlled by the server.
Further, the total hardness analyzer, the total alkalinity analyzer, the trace oxygen analyzer, the chloride ion detector, the conductivity detector and the PH value detector transmit data into the server through the wireless communication module and are controlled by the server.
Further, the server is connected with a display screen, a keyboard, an alarm and a printer.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages:
the water quality monitoring device is provided with the cleaning system, so that the water inlet pipe in the whole device and the detection box of the detection instrument are periodically descaled, the cleaning of the pipeline and the detection box is ensured, and the accuracy of the water quality monitoring result is ensured.
The utility model firstly cools the water quality to be detected, avoids the damage of boiling water in the boiler to the detection instrument and prolongs the service life.
The utility model utilizes the internet of things technology, the PLC and the monitoring device instrument are arranged outdoors and used for controlling various electric devices of the monitoring device, such as a water pump, a temperature detector, a valve and a flowmeter, the circuit connection enables the operation to be more stable, then the wireless transmission technology is utilized to transmit signals to an indoor server, and various water quality analyzers in the integrated cabinet transmit water quality analysis results to the server by utilizing the wireless transmission technology. The server can display the detection result, can utilize keyboard input program and numerical value to make remote control, also can implement storage and printing of data.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1-a water inlet pipe; 2-a water outlet pipe; 3-water storage pipe; 4-an integrated cabinet; 401-total hardness analyzer; 402-total alkalinity analyzer; 403-microaeroxymeter; 404-chloride ion detector; 405-conductivity detector; 406-PH value detector; 407-conductivity/PH detection cartridge; 5-a cooling device; 501-a cooling box; 502-a cooling pipe; 6-a cleaning system; 601-cleaning a tank; 602-a kit; 7-a pressure reducing valve; 8-a PLC controller; 9-a temperature detector; 10-a clear water pipe; 11-a liquid outlet pipe; 12-cleaning a main pipe; a1-a first water inlet valve; a2-a second water inlet valve; a3-a third water inlet valve; a4-a fourth inlet valve; b1-a first valve; b2-a second valve; b3-a third valve; c1 a first flowmeter; c2-a second flowmeter; d1-a first water pump; d2-a second water pump.
Detailed Description
The utility model will be further illustrated with reference to specific examples, which are carried out on the basis of the technical solutions of the utility model, it being understood that these examples are only intended to illustrate the utility model and are not intended to limit the scope thereof.
As shown in fig. 1, the boiler water quality monitoring device based on the internet of things comprises an integrated cabinet 4, a cooling device 5, a cleaning system 6, a server and a PLC (programmable logic controller) 8; a total hardness analyzer 401, a total alkalinity analyzer 402, a micro oxygen analyzer 403, a chloride ion detector 404, a conductivity detector 405 and a PH value detector 406 are arranged in the integrated cabinet 4; the conductivity detector 405 and the PH value detector 406 share one detection box which is a conductivity/PH value detection box 407, and the other instruments are provided with respective detection boxes which are 5 detection boxes in total; the outside of the integrated cabinet 4 is provided with a water inlet pipe 1 connected with a water outlet of a boiler, the water inlet pipe 1 is provided with a first water inlet valve a1 and a pressure reducing valve 7, the water inlet pipe 1 after passing through the pressure reducing valve 7 is paved in a branching way and is respectively connected with a detection box of a total hardness analyzer 401, a total alkalinity analyzer 402, a micro oxygen analyzer 403 and a chloride ion detector 404 and a conductivity/PH value detection box 407, and the water inlet pipe 1 of each detection box is provided with a second water inlet valve a2; each detection box is provided with a water outlet pipe 2, and the water outlet pipes 2 are gathered and discharged from a water outlet of the integrated cabinet 4; a first valve b1 is arranged on the water outlet pipe 2 outside the integrated cabinet 4.
The cooling device 5 is arranged outside the integrated cabinet 4 and comprises a cooling box 501, a cooling pipe 502 and a temperature detector 9; the cooling box 501 is arranged at the water inlet pipe 1 of the integrated cabinet 4, the water inlet pipe 1 passes through the box body, the cooling pipe 502 is a spiral pipe coiled on the water inlet pipe 1 in the cooling box 501, and the water inlet pipe and the water outlet pipe of the cooling pipe 502 are connected with an external cold water pipe; the temperature detector 9 is arranged on the water inlet pipe 1 at the cooling pipe 502 and is used for monitoring the water temperature. The cooling pipe 502 is provided with a first water pump d1.
The diameter of the water inlet pipe 1 at the cooling pipe 502 is larger than that of other positions of the water inlet pipe 1, a water storage pipe 3 is formed, and the volume of the water storage pipe 3 is larger than the sum of the volumes of 5 detection boxes in the integrated cabinet 4. The water storage pipe 3 has the function of carrying out disposable cooling treatment on the water quantity required by disposable detection, thereby meeting the subsequent detection requirement. The temperature detector 9 is provided on the water storage pipe 3.
The water inlet pipe 1 in the cooling box 501 is provided with a third water inlet valve a3 and a first flowmeter c1, and the first flowmeter c1 can detect the water quantity entering the water inlet pipe 1 and is used for controlling the water quantity entering the water storage pipe 3 at one time.
The cleaning system 6 comprises a cleaning box 601, a medicament box 602 and a clear water pipe 10 are arranged in the cleaning box 601, the clear water pipe 10 is connected with an external water supply system, and a second water pump d2 is arranged on the clear water pipe 10; stored within the cartridge 602 is a high concentration body fluid medicament that removes scale. The medicine box 602 is provided with a liquid outlet pipe 11, and the liquid outlet pipe 11 is provided with a second flowmeter c2 and a second valve b2; the liquid outlet pipe 11 is connected with the clear water pipe 10 to form a cleaning main pipe 12, and a third valve b3 is arranged on the cleaning main pipe 12; the cleaning main pipe 12 is connected with the water inlet pipe 1 and the boiler water outlet through a tee joint, and a fourth water inlet valve a4 is arranged at the position of the tee joint close to the boiler water outlet.
The first valve b1, the second valve b2, the third valve b3, the first water inlet valve a1, the second water inlet valve a2, the third water inlet valve a3 and the fourth water inlet valve a4 are all electromagnetic valves.
The temperature detector 9, the first flowmeter c1, the second flowmeter c2, the first water pump d1, the second water pump d2, the first valve b1, the second valve b2, the third valve b3, the first water inlet valve a1, the second water inlet valve a2, the third water inlet valve a3 and the fourth water inlet valve a4 in the cooling device 5 and the cleaning system 6 are connected with the PLC 8 and controlled by the PLC 8. The PLC controller 8 is provided on the integrated cabinet 4 or the cleaning tank 601 and protected by a housing, and is connected to each device through a line. So the PLC controller 8 is arranged outdoors, the PLC controller 8 is provided with a wireless transmitter, and the acquired signals are transmitted to the server and controlled by the server.
The total hardness analyzer 401, the total alkalinity analyzer 402, the micro oxygen analyzer 403, the chloride ion detector 404, the conductivity detector 405 and the PH value detector 406 are provided with wireless communication modules, so that data information can be directly transmitted into a server, and the data information is controlled by the server. The server is an existing internet of things server, can be a purchased server of an internet of things service provider, such as an Arian cloud server and a Hua-Chen cloud server, and is connected with a display screen, a keyboard, an alarm and a printer.
The working principle of the cooling device is as follows: the boiling water of boiler gets into cooling box 501 earlier in, and first flowmeter c1 is used for monitoring the inflow, and first water pump d1 opens, and cooling tube 502 work is cooled down the boiling water in the water storage pipe 3, and temperature detector 9 monitors the temperature, and when the temperature reaches the preset value, control opens first water intaking valve a1 of integrated cabinet 4 promptly, opens the detection work.
The working principle of the cleaning system of the utility model is as follows: by storing the scale removing agent with high concentration in the agent box 602, when cleaning is needed, the fourth water inlet valve a4 at the water outlet of the boiler and the first valve b1 outside the integrated cabinet 4 are closed, so that a closed space is formed by the pipeline in the water quality detection device. All water inlet valves on the water inlet pipe 1 are opened, then a second valve b2 on the medicament box 602, a third valve b3 on the cleaning main pipe 12 and a second water pump d2 are opened, medicament and clean water enter the water inlet pipe 1, the first flowmeter c1 can be used for monitoring the clean water amount entering the whole water inlet pipe 1 at the moment, the water is filled in the water inlet pipe 1 and a detection box in the detector, the second flowmeter c2 monitors the medicament amount, and the second water pump d2, the third valve b3 of the cleaning main pipe 12 and the second valve b2 of the medicament box 602 are closed after the medicament amount and the clean water amount reach preset values. The clean water and the medicament are mixed and filled into the water inlet pipe 1 and all the detection boxes to carry out chemical reaction, so that scale is removed. After a certain time, the first valve b1 of the water outlet pipe 2 of the integrated cabinet 4, the third valve b3 of the cleaning main pipe 12 and the second water pump d2 are opened, the clean water is used for flushing again, and after flushing, the third valve b3 of the cleaning main pipe 12 and the second water pump d2 are closed. The cleaning system ends.
Because the whole monitoring device needs to be cooled after water is fed in, the whole monitoring is not real-time monitoring but interval monitoring; the cleaning system can realize periodic circulation according to actual conditions.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (9)
1. Boiler water quality monitoring device based on thing networking, its characterized in that: comprises an integrated cabinet (4), a cooling device, a cleaning system (6), a server and a PLC controller (8); a total hardness analyzer (401), a total alkalinity analyzer (402), a trace oxygen analyzer (403), a chloride ion detector (404), a conductivity detector (405) and a PH value detector (406) are arranged in the integrated cabinet (4); the conductivity detector (405) and the PH value detector (406) share one detection box which is a conductivity/PH value detection box; the integrated cabinet (4) is externally provided with a water inlet pipe (1) connected with a water outlet of a boiler, the water inlet pipe (1) is provided with a first water inlet valve (a 1) and a pressure reducing valve (7), the water inlet pipe (1) after passing through the pressure reducing valve (7) is branched and connected with a total hardness analyzer (401), a total alkalinity analyzer (402), a trace oxygen analyzer (403) and detection boxes of a chloride ion detector (404) and conductivity/PH value detection boxes, and the water inlet pipe (1) of each detection box is provided with a second water inlet valve (a 2); each detection box is provided with a water outlet pipe, and the water outlet pipes are collected and then discharged from a water outlet of the integrated cabinet (4); a first valve (b 1) is arranged on a water outlet pipe outside the integrated cabinet (4).
2. The internet of things-based boiler water quality monitoring device of claim 1, wherein: the cooling device is arranged outside the integrated cabinet (4) and comprises a cooling box (501), a cooling pipe (502) and a temperature detector (9); the cooling box (501) is arranged at the water inlet pipe (1) of the integrated cabinet (4), the water inlet pipe (1) penetrates through the box body, the cooling pipe (502) is a spiral pipe coiled on the water inlet pipe (1) in the cooling box (501), and the water inlet pipe and the water outlet pipe of the cooling pipe (502) are connected with an external cold water pipe; the temperature detector (9) is arranged on the water inlet pipe (1) at the cooling pipe (502); the cooling pipe (502) is provided with a first water pump (d 1).
3. The internet of things-based boiler water quality monitoring device of claim 2, wherein: a water storage pipe (3) is arranged at the cooling pipe (502), and the diameter of the water storage pipe (3) is larger than that of the water inlet pipe (1); the temperature detector (9) is arranged on the water storage pipe (3).
4. The internet of things-based boiler water quality monitoring device of claim 3, wherein: the water inlet pipe (1) in the cooling box (501) is provided with a third water inlet valve (a 3) and a first flowmeter (c 1), and the first flowmeter (c 1) can detect the water quantity entering the water inlet pipe (1) and is used for controlling the water quantity entering the water storage pipe (3) at one time.
5. The internet of things-based boiler water quality monitoring device of claim 4, wherein: the cleaning system (6) comprises a cleaning box (601), a medicament box (602) and a clear water pipe (10) are arranged in the cleaning box (601), the clear water pipe (10) is connected with an external water supply system, and a second water pump (d 2) is arranged on the clear water pipe (10); a reagent box (602) stores scale removing reagent; a liquid outlet pipe (11) is arranged on the medicament box (602), and a second flowmeter (c 2) and a second valve (b 2) are arranged on the liquid outlet pipe (11); the liquid outlet pipe (11) is connected with the clear water pipe (10) to form a cleaning main pipe (12), and a third valve (b 3) is arranged on the cleaning main pipe (12); the cleaning main pipe (12) is connected with the water inlet pipe (1) and the boiler water outlet through a tee joint, and a fourth water inlet valve (a 4) is arranged at the position, close to the boiler water outlet, of the tee joint.
6. The internet of things-based boiler water quality monitoring device of claim 5, wherein: the first valve (b 1), the second valve (b 2), the third valve (b 3), the first water inlet valve (a 1), the second water inlet valve (a 2), the third water inlet valve (a 3) and the fourth water inlet valve (a 4) are all electromagnetic valves.
7. The internet of things-based boiler water quality monitoring device of claim 6, wherein: the temperature detector (9), the first flowmeter (c 1), the second flowmeter (c 2), the first water pump (d 1), the second water pump (d 2), the first valve (b 1), the second valve (b 2), the third valve (b 3), the first water inlet valve (a 1), the second water inlet valve (a 2), the third water inlet valve (a 3) and the fourth water inlet valve (a 4) are all connected with the PLC (8), a wireless transmitter is arranged on the PLC (8), and acquired signals are transmitted to the server and controlled by the server.
8. The internet of things-based boiler water quality monitoring device of claim 1, wherein: the total hardness analyzer (401), the total alkalinity analyzer (402), the trace oxygen analyzer (403), the chloride ion detector (404), the conductivity detector (405) and the PH value detector (406) transmit data into the server through the wireless communication module and are controlled by the server.
9. The internet of things-based boiler water quality monitoring device of claim 1, wherein: the server is connected with a display screen, a keyboard, an alarm and a printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223449080.8U CN219320270U (en) | 2022-12-22 | 2022-12-22 | Boiler water quality monitoring device based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223449080.8U CN219320270U (en) | 2022-12-22 | 2022-12-22 | Boiler water quality monitoring device based on Internet of things |
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| CN219320270U true CN219320270U (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223449080.8U Active CN219320270U (en) | 2022-12-22 | 2022-12-22 | Boiler water quality monitoring device based on Internet of things |
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| CN (1) | CN219320270U (en) |
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- 2022-12-22 CN CN202223449080.8U patent/CN219320270U/en active Active
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