CN109975500A - Recirculated water on-line detecting system - Google Patents
Recirculated water on-line detecting system Download PDFInfo
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- CN109975500A CN109975500A CN201711464011.5A CN201711464011A CN109975500A CN 109975500 A CN109975500 A CN 109975500A CN 201711464011 A CN201711464011 A CN 201711464011A CN 109975500 A CN109975500 A CN 109975500A
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- pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 238000012544 monitoring process Methods 0.000 claims abstract description 38
- 238000012360 testing method Methods 0.000 claims abstract description 34
- 238000005260 corrosion Methods 0.000 claims abstract description 20
- 230000007797 corrosion Effects 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 239000000523 sample Substances 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims description 26
- 238000005192 partition Methods 0.000 claims description 16
- 239000000725 suspension Substances 0.000 claims description 6
- 239000010802 sludge Substances 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 239000000498 cooling water Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1893—Water using flow cells
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of recirculated water on-line detecting systems, including monitoring heat exchanger, pressure drop monitoring pipe, display instrument and remote control table, the relevant information that corrosion probe, temperature-detecting device and flowmeter can first will test is sent to display instrument, reference data of the remote control table as analysis is transmitted to by display instrument again, to realize used in line computation sludge thermal resistance replace averagely stick rate, used in line pressure drop detection pipe detection pressure drop replace slime content purpose.
Description
Technical field
The invention belongs to industry detection apparatus fields, and in particular to a kind of recirculated water on-line detecting system.
Background technique
Circulating water cooling treatment effect is monitored using monitoring heat exchanger, is that comparison is direct, one of accurate and effective method,
Its main monitoring parameters is corrosion rate, sticks rate and microbial sludge content, and wherein burn into sticks rate and mainly uses
Monitoring heat exchanger test tube weight-loss method is tested, and content of microorganisms is mainly being followed using glutinous mud acquisition method test suspension quasi-microorganism
Content in ring water.
Above method applicability is wide, but to corrosion rate and the test for sticking rate, generally requires in monitoring heat exchanger fortune
Could weigh calculating after row a period of time, and each time interval was at 30 days or so, therefore test result reflection is recirculated water
Average corrosion rate and adherency rate, be that can not judge current Circulating Water Corrosion and fouled condition according to these mean parameters
Fluctuation situation, cause the Water-quality control scheme based on this test result seriously lag behind circulating water quality control be actually subjected to
It asks, production can not be instructed in time.Microbial sludge is divided into floating type, attached type and appositional pattern three types, current
Acquisition method test is suitable only for the content analysis that floating type sticks mud, and lacks and carry out quantitative table to other two kinds of glutinous mud
It reaches.In addition test process is more demanding to the operation of worker and time-consuming and laborious, and obtained data are by manually being registered
And transmission, inefficiency.
Summary of the invention
The object of the present invention is to provide a kind of recirculated water on-line detecting system, solves and existed in fact using existing detection method
The problem of when property is poor, measurement result is inaccurate and low efficiency.
The technical scheme adopted by the invention is that a kind of recirculated water on-line detecting system, including monitoring heat exchanger, the prison
It surveys on heat exchanger and is respectively arranged with the first water inlet, the first water outlet, air inlet and air outlet, be arranged in first water inlet
There is the first corrosion probe, the second corrosion probe is provided in first water outlet, the air inlet is communicated with the gas outlet,
It is provided with second temperature detection device in the air inlet, monitors and is provided with testing tube in heat exchanger, on the testing tube respectively
Be provided with the second water inlet and the second water outlet, second water inlet is connected with first water inlet, described second into
The first temperature-detecting device is provided in the mouth of a river, second water outlet is connected with the first water out, second water outlet
It is provided with third temperature-detecting device；First corrosion probe, the first temperature-detecting device, the second corrosion probe, the second temperature
Degree detection device and third temperature-detecting device are connect with display instrument respectively, and the display instrument is connect with remote control table.
The present invention also has the characteristics that,
Further include pressure drop monitoring pipe, is respectively arranged with third water inlet and third water outlet on the pressure drop monitoring pipe
Mouthful, differential manometer is provided between the third water inlet and the third water outlet, the differential manometer is connect with the display instrument.
It is provided with two pieces of partitions in the monitoring heat exchanger, is seal cavity, the testing tube between two pieces of partitions
One end be pierced by from one piece of partition, the other end is pierced by from another piece of partition.
First water inlet is located at the side of the seal cavity, and first water outlet is located at the seal cavity
The other side, the air inlet and exhaust outlet are located between two pieces of partitions.
Second water inlet and the second water outlet have gap, institute between the inner sidewall of the monitoring heat exchanger respectively
The bottom that the first water inlet, gas outlet and the first water outlet are separately positioned on the monitoring heat exchanger is stated, the air inlet is located at
The top of the monitoring heat exchanger.
First water inlet is connected with the first water inlet pipe, is provided with first flow regulating valve on first water inlet pipe,
First flowmeter is provided in the first flow regulating valve；The third water inlet is connected with the second water inlet pipe, and described second
Second flow regulating valve is set on water inlet pipe, is provided with second flowmeter, the first flow in the second flow regulating valve
Meter and the second flowmeter are connect with the display instrument respectively.
Air inlet pipe is connected on the air inlet, be disposed in the air inlet pipe steam cock valve, steam reducing valve and
Third flow control valve.
It further include controller, the first flow regulating valve, second flow regulating valve and third flow control valve are respectively
Electric control valve, the first flow regulating valve, second flow regulating valve and third flow control valve (respectively with the controller
Connection.
It is provided with the first outlet pipe on first water outlet, is provided with piece suspension device on first outlet pipe.
The third water outlet is connected with third outlet pipe, and the third outlet pipe is communicated with dust-collecting bucket, the dust-collecting bucket
Inside it is provided with biofiltration net.
The beneficial effects of the present invention are: replacing average corrosion rate with online corrosion rate using real time monitoring, use
It replaces averagely sticking rate in the sludge thermal resistance of line computation, is used in line pressure drop detection pipe detection pressure drop and replaces biological clay
Amount is monitored online corrosion and scaling in circulating water treatment effect and biological sludge in industrial to realize, while on-line measurement mode collection
The on-line monitoring system for being integrally formed realizes the real-time Transmission of data, achievees the purpose that circulating water treatment effect is monitored online.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of recirculated water on-line detecting system of the present invention.
In figure, 1. recirculated water switch valves, 2. first pop one's head in, 3. first flowmeters, 4. first flow regulating valves, and 5. monitorings are changed
Hot device, 6. first temperature-detecting devices, 7. testing tubes, 8. partitions, 9. piece suspension devices, 10. collecting-tanks, 11. second probes, 12. the
Two temperature-detecting devices, 13. third temperature-detecting devices, 14. third flow control valves, 15. steam reducing valves, 16. steam are opened
Valve is closed, 17. second flowmeters, 18. second flow regulating valves, 19. pressure drops, which monitor, manages, 20. differential manometers, 21. dust-collecting buckets, and 22.
Controller, 23. display instruments, 24. remote control tables.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, recirculated water on-line detecting system of the present invention, including monitoring heat exchanger 5, pressure drop monitor pipe 19, show
Show instrument 23 and remote control table 24.
It is provided with testing tube 7 and two pieces of partitions 8 in monitoring heat exchanger 5, is seal cavity, testing tube 7 between two pieces of partitions 8
The second water inlet be pierced by from one piece of partition 8, the second water outlet of testing tube 7 is then pierced by from another piece of partition 8, and testing tube
Also there is certain gap between 7 the second water inlet and the second water outlet and the inner sidewall for monitoring heat exchanger 5.Monitor heat exchanger
5 tops are provided with air inlet, and monitoring 5 bottom of heat exchanger is provided with the first water inlet, the first water outlet and gas outlet, and recirculated water is first
It is passed through through the first water inlet pipe from the first water inlet, is then discharged into collecting-tank 10 through the first outlet pipe from the first water outlet again,
First water inlet is located at the side of seal cavity, and the first water outlet is located at the other side of seal cavity, and air inlet and exhaust outlet
It is all located between two pieces of partitions 8.In this way after opening recirculated water switch valve 1, recirculated water can be smoothly from monitoring heat exchanger 5
It flows through, it will not be due to influence of fluctuations measurement result.
Vapor is passed through through air inlet pipe from air inlet, and steam cock valve 16, steam reducing valve are disposed in air inlet pipe
15 and third flow control valve 14, by the pressure of 14 adjustable water steam of pressure reducing valve, so that controlling it is discharged into monitoring heat exchanger 5
Temperature.
Recirculated water, which is passed through on the pipeline of water inlet, is provided with first flow regulating valve 4, is arranged in first flow regulating valve 4
There is first flowmeter 3, the water outlet of testing tube 7 is connected with water out, and the water inlet end of testing tube 7 is provided with the first temperature detection
Device 6 monitors and is provided with second temperature detection device 12 at the air inlet of heat exchanger 5, and the water outlet of testing tube 7 is provided with third
Temperature-detecting device 13.Corrosion tester includes the first probe 2 and the second probe 11, and the first probe 2 is arranged in water inlet, the
Two probes 11 are arranged in water outlet.The signal receiving end of display instrument 23 respectively with the signal output end of corrosion tester, first
The signal output end of temperature-detecting device 6, the signal output end of second temperature detection device 23, third temperature-detecting device 13
Signal output end and first flowmeter 3 are electrically connected, and the signal output end of display instrument 23 is electrically connected with remote control table 24.
The burn into temperature and flow information that display instrument 23 can will test are shown, and specific its is transported to remote control table
24, remote control table 24 finally calculates the real-time corrosion rate of testing tube and dirtiness resistance according to these information.
Dirtiness resistance R of the testing tube in t momenttCalculation formula are as follows:
In formula: R0For testing tube thermal resistance, unit m2·K/W；RtFor instantaneous dirtiness resistance, unit m2·K/W；G is
Circulating cooling water flow, the i.e. reading of first flowmeter 4；t1For the instantaneous inlet temperature of recirculated cooling water, i.e. the first temperature detection
The reading of device 6；t2For recirculated cooling water instantaneous output temperature, the i.e. degree of third temperature-detecting device 13；t'1For testing tube
Recirculated cooling water inlet temperature when initial；t'2Circulating cooling water outlet temperature when initial for testing tube；T is steam temperature, i.e.,
The reading of second temperature detection device 12；diTo test bore；L is effective heat transfer length of testing tube.
The wherein calculation formula of R0 are as follows:
Wherein, recirculated cooling water inlet temperature and outlet temperature obtaining value method when testing tube is initial are as follows: to vapor (steam) temperature, follow
Ring water flow and inlet water temperature have reached specified value, and after stable 2h~6h, can measure testing tube circulation every 15~30min
Water import and export temperature 8 times casts out wherein exceptional value with mathematical statistics method, finds out its arithmetic mean of instantaneous value.
In addition, it is provided with bypass on the second water outlet of connection monitoring heat exchanger tube 5 and the second outlet pipe of collecting-tank 10,
Piece suspension device 9 is provided on bypass, opening bypass makes recirculated water flow through piece suspension device 9 with certain speed, so that it may with traditional mistake
The average corrosion rate of double recipe formula detection recirculated water.
The third water inlet of pressure drop monitoring pipe 19 is connected by third water inlet pipe with recirculated water, and third water outlet passes through
Third outlet pipe is connected with collecting-tank 10, and differential manometer 20 is additionally provided between third water inlet and third water outlet.Recirculated water
It is passed through on the third water inlet pipe of pressure drop monitoring pipe 19 and second flow regulating valve 18 is set, be provided in second flow regulating valve 18
Second flowmeter 17.The signal output end of differential manometer 20 and the signal output end of second flowmeter 18 respectively with display instrument 23
The pressure difference signal received and flow signal can be shown and be sent to long-range control by signal input part electrical connection, display instrument 23
Parameter of the platform 24 processed as analysis amount of biology mud.
Recirculated water is passed through on the pipeline of first flow regulating valve 4 and second flow regulating valve 18 and is provided with filter screen, can prevent
Only the impurity in recirculated water is discharged into monitoring heat exchanger 5 and pressure drop monitoring pipe 18, influences testing result.
First flow regulating valve 4, second flow regulating valve 18 and third flow control valve 14 are respectively electric control valve, the
The letter of the signal input part of one flow control valve 4, the signal input part of second flow regulating valve 18 and third flow control valve 14
Number input terminal is electrically connected with the signal output end of controller 22 respectively, and staff can just be adjustable recirculated water by controller 22
It is discharged into the flow of monitoring heat exchanger tube 5 and pressure drop monitoring pipe 18.
Biofiltration net is provided in dust-collecting bucket 21, dust-collecting bucket 21 monitors the water outlet of pipe 19 by pipeline and pressure drop
It is connected, it can be achieved that testing amount of biology mud with traditional mode.
Claims (10)
1. a kind of recirculated water on-line detecting system, which is characterized in that including monitoring heat exchanger (5), on the monitoring heat exchanger (5)
It is respectively arranged with the first water inlet, the first water outlet, air inlet and air outlet, is provided with the first corrosion in first water inlet
It pops one's head in (2), is provided with the second corrosion probe (11) in first water outlet, the air inlet is communicated with the gas outlet, institute
It states and is provided in air inlet second temperature detection device (12), be provided with testing tube (7), the test in monitoring heat exchanger (5)
It is respectively arranged with the second water inlet and the second water outlet on pipe (7), second water inlet is connected with first water inlet,
It is provided in second water inlet the first temperature-detecting device (6), second water outlet is connected with the first water out, institute
It states the second water outlet and is provided with third temperature-detecting device (13)；First corrosion probe (2), the first temperature-detecting device
(6), the second corrosion probe (11), second temperature detection device (12) and third temperature-detecting device (13) respectively with display instrument
(23) it connects, the display instrument (23) connect with remote control table (24).
2. recirculated water on-line detecting system according to claim 1, which is characterized in that further include pressure drop monitoring pipe
(19), is respectively arranged with third water inlet and third water outlet on pressure drop monitoring pipe (19), the third water inlet and
It is provided between the third water outlet differential manometer (20), the differential manometer (20) connect with the display instrument (23).
3. recirculated water on-line detecting system according to claim 2, which is characterized in that set in the monitoring heat exchanger (5)
It is equipped with two pieces of partitions (8), is seal cavity between two pieces of partitions (8), one end of the testing tube (7) is from one piece of partition
(8) it is pierced by, the other end is pierced by from another piece of partition (8).
4. recirculated water on-line detecting system according to claim 3, which is characterized in that first water inlet is located at described
The side of seal cavity, first water outlet are located at the other side of the seal cavity, the air inlet and exhaust outlet difference
Between two pieces of partitions (8).
5. recirculated water on-line detecting system according to claim 4, which is characterized in that second water inlet and second goes out
The mouth of a river has gap between the inner sidewall of monitoring heat exchanger (5) respectively, and first water inlet, gas outlet and first go out
The mouth of a river is separately positioned on the bottom of monitoring heat exchanger (5), and the air inlet is located at the top of monitoring heat exchanger (5).
6. recirculated water on-line detecting system according to claim 5, which is characterized in that first water inlet is connected with
One water inlet pipe is provided with first flow regulating valve (4) on first water inlet pipe, is arranged on the first flow regulating valve (4)
There are first flowmeter (3)；The third water inlet is connected with the second water inlet pipe, and second flow tune is arranged on second water inlet pipe
It saves valve (18), is provided with second flowmeter (17) on the second flow regulating valve (18), the first flowmeter (3) and described
Second flowmeter (17) is connect with the display instrument (23) respectively.
7. recirculated water on-line detecting system according to claim 6, which is characterized in that be connected to air inlet on the air inlet
It manages, is disposed with steam cock valve (16), steam reducing valve (15) and third flow control valve (14) in the air inlet pipe.
8. recirculated water on-line detecting system according to claim 7, which is characterized in that it further include controller (22), it is described
First flow regulating valve (4), second flow regulating valve (5) and third flow control valve (14) are respectively electric control valve, described
First flow regulating valve (4), second flow regulating valve (5) and third flow control valve (14) connect with the controller (22) respectively
It connects.
9. recirculated water on-line detecting system according to claim 8, which is characterized in that be provided on first water outlet
First outlet pipe is provided with piece suspension device (9) on first outlet pipe.
10. recirculated water on-line detecting system according to claim 9, which is characterized in that the third water outlet is connected with
Third outlet pipe, the third outlet pipe are communicated with dust-collecting bucket (21), are provided with biofiltration net in the dust-collecting bucket (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464011.5A CN109975500A (en) | 2017-12-28 | 2017-12-28 | Recirculated water on-line detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464011.5A CN109975500A (en) | 2017-12-28 | 2017-12-28 | Recirculated water on-line detecting system |
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| Publication Number | Publication Date |
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| CN109975500A true CN109975500A (en) | 2019-07-05 |
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ID=67075110
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| CN201711464011.5A Pending CN109975500A (en) | 2017-12-28 | 2017-12-28 | Recirculated water on-line detecting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392878A (en) * | 2020-03-04 | 2020-07-10 | 西安理工大学 | Circulating water quality effect on-line monitoring and automatic dosing system |
| CN114166537A (en) * | 2021-11-09 | 2022-03-11 | Omexell(济南)传热技术有限公司 | Heat exchanger unit and detection method thereof |
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2017
- 2017-12-28 CN CN201711464011.5A patent/CN109975500A/en active Pending
Patent Citations (8)
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|---|---|---|---|---|
| CN2753717Y (en) * | 2003-01-24 | 2006-01-25 | 中国石油化工股份有限公司北京燕山分公司研究院 | Circulating water bypass monitoring heat exchange unit |
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| CN111392878A (en) * | 2020-03-04 | 2020-07-10 | 西安理工大学 | Circulating water quality effect on-line monitoring and automatic dosing system |
| CN114166537A (en) * | 2021-11-09 | 2022-03-11 | Omexell(济南)传热技术有限公司 | Heat exchanger unit and detection method thereof |
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