CN104391099A - Water quality testing equipment - Google Patents
Water quality testing equipment Download PDFInfo
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- CN104391099A CN104391099A CN201410787129.1A CN201410787129A CN104391099A CN 104391099 A CN104391099 A CN 104391099A CN 201410787129 A CN201410787129 A CN 201410787129A CN 104391099 A CN104391099 A CN 104391099A
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Abstract
The invention relates to water quality testing equipment. The water quality testing equipment consists of a cooling device and a water quality monitoring device which are connected with each other, wherein the cooling device is connected with a steam header pipe of a boiler; after heat of steam is exchanged and the steam is cooled, condensed water is guided into the water quality monitoring device through a pipeline; the water quality monitoring device consists of three flowing pools which are sequentially connected; the condensed water flows into the water quality monitoring device from a water inlet pipe below one side of the flowing pools, and flows out from a water output pipe above the other side of the flowing pools; a dissolved oxygen concentration sensor, a conductivity sensor and a pH sensor are sequentially arranged inside the three flowing pools. Compared with the prior art, the water quality testing equipment can accurately test the liquid oxygen, the pH and the conductivity of a water sample in the boiler, without influence from outside air.
Description
Technical field
The invention belongs to field of Environment Protection, especially relate to a kind of water quality detection equipment.
Background technology
In Boiler Steam, condensate water, feedwater water sample, due to the imprecision of unit, often bring partial air into, due to entering of air in boiler chilled water, directly affect the measuring accuracy value of conductance, pH, make test value bigger than normal, for obtaining no oxygen, CO
2pure water water sample, by such water sample flow cup, eliminate oxygen, CO in water sample
2impact.
Chinese patent CN103645290A discloses a kind of water quality on-line detector, comprise industry control liquid crystal display, MCU unit, light source controller, data acquisition unit, power module and multi-wavelength optical pick-up unit, by adopting water analysis sensor combinations multi-wavelength optical pick-up unit, on the one hand, simple water quality parameter is measured by this water analysis sensor, as conductivity, pH value, the water quality parameters such as dissolved oxygen DO, being measured by this multi-wavelength optical pick-up unit on the other hand needs through simple pre-treatment and the water quality parameter that measured by photometer principle, as COD, ammonia nitrogen, total phosphorus, the water quality parameters such as BOD, really realize Multifunctional water on-line detector, but for boiler water quality out, still fine must detection cannot be realized.
Summary of the invention
Object of the present invention is exactly provide a kind of water sample oxygen without outside air impact, pH, conductivity accurately testing water sample in boiler to test the water quality detection equipment of exact value to overcome defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
A kind of water quality detection equipment, detects the ultrapure water sample in boiler, is made up of interconnective cooling device and water monitoring device,
Described cooling device is connected with the main steam range of boiler, after carrying out heat exchange cooling processing, imports in water monitoring device by condensate water through pipeline to steam,
Described water monitoring device is made up of the flow cell that three connect successively, condensate water flows into from the water inlet pipe of flow cell one side-lower, rising pipe above opposite side flows out, and sets gradually dissolved oxygen concentration sensor, conductivity sensor and pH sensor in three flow cells.
The rising pipe of first flow cell is also communicated with grate flow channel, and the outlet of this gas exhaust duct is connected with the rising pipe of the 3rd flow cell.
Described gas exhaust duct is half frame-shaped construction, by vertically rise to upper runner, horizontal run and be connected in sequence to lower flow channel.
The described lower end to upper runner is directly connected with the rising pipe of first flow cell with T-shaped structure.
The described lower end to lower flow channel is directly connected with the rising pipe of the 3rd flow cell with T-shaped structure.
Be provided with 90 degree of atmosphere opening portions bent in the middle part of described horizontal run, end is provided with atmosphere opening hole.
The diameter of described grate flow channel is greater than the rising pipe of flow cell.
Be provided with heat exchanger coil in described cooling device, the below of shell is provided with chilled water inlet pipe, top is provided with cooling water outlet tube.
The trace impurity discharged due to leaking-in air in water sample or measuring system all can make measurement result produce larger error.As the carbon dioxide in air can reach the equilibrium concentration of 1mg/L in pure water, increase conductivity about 1 μ S/cm.And the control conductivity of boiler pure water is 0.2 μ S/cm.The present invention utilizes certain upward water flow amount, utilizes top water sample isolated Air infitration in short-term, accurately can test the water sample oxygen without outside air impact of bottom water sample, pH, conductivity test exact value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure, 1-through-flow boiler, 2-main steam range, 3-cooling device, 31-heat exchanger coil, 32-shell, 33-chilled water inlet pipe, 34-cooling water outlet tube, 4-first flow cell, 41-dissolved oxygen concentration sensor, 5-second flow cell, 51-conductivity sensor, 6-the 3rd flow cell, 61-pH value sensor, 7-gas exhaust duct, 71-are to upper runner, 72-horizontal run, 73-to lower flow channel, 74-atmosphere opening portion.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
A kind of water quality detection equipment, as shown in Figure 1, the main ultrapure water sample detected in boiler, is made up of interconnective cooling device 3 and water monitoring device its structure, in the present embodiment, detection be the steam water quality situation of through-flow boiler 1 parallel with one another.Cooling device 3 is connected with the main steam range 2 of above-mentioned boiler, heat exchanger coil 31 is provided with in cooling device 3, the below of shell 32 is provided with chilled water inlet pipe 33, top is provided with cooling water outlet tube 34, after carrying out heat exchange cooling processing like this, is imported in water monitoring device by condensate water through pipeline steam.
Water monitoring device is connected to form successively by the first flow cell 4, second flow cell 5, the 3rd flow cell 6, condensate water flows into from the water inlet pipe of flow cell one side-lower, rising pipe above opposite side flows out, and sets gradually dissolved oxygen concentration sensor 41, conductivity sensor 51 and pH sensor 61 in three flow cells.
The rising pipe of the first flow cell 4 is also communicated with grate flow channel 7, and the outlet of this gas exhaust duct 7 is connected with the rising pipe of the 3rd flow cell 6.Gas exhaust duct 7 is half frame-shaped construction, and diameter is greater than the rising pipe of flow cell, by vertically rise to upper runner 71, horizontal run 72 and be connected in sequence to lower flow channel 73.Lower end to upper runner 71 is directly connected with the rising pipe of the first flow cell 4 with T-shaped structure.Lower end to lower flow channel 73 is directly connected with the rising pipe of the 3rd flow cell 6 with T-shaped structure.Be provided with 90 degree of atmosphere opening portions 74 bent in the middle part of horizontal run 72, end is provided with atmosphere opening hole.
The present invention in use, through being cooled to the test water sample of about 25 degree, control certain flow velocity to enter from the first flow cell 4, flow out from the water sample on the first side, flow cell 4 top, enter the bottom of the second flow cell 5, flow out from the side, top of the second flow cell 5, enter the 3rd flow cell 6, discharge from the side, top of the 3rd flow cell 6.Three pole cup sizes are a bit larger tham multiplex test electrode, and full-size is greater than test electrode size 2mm, and end adopts open by design upwards open exhaust.After being analyzed by operation logic, by such water sample flow cup, eliminate oxygen, CO in water sample
2impact.Obtain boiler pure water water sample pH, conductivity test true value.
Claims (8)
1. a water quality detection equipment, detect the ultrapure water sample in boiler, it is characterized in that, this checkout equipment is made up of interconnective cooling device and water monitoring device,
Described cooling device is connected with the main steam range of boiler, after carrying out heat exchange cooling processing, imports in water monitoring device by condensate water through pipeline to steam,
Described water monitoring device is made up of the flow cell that three connect successively, condensate water flows into from the water inlet pipe of flow cell one side-lower, rising pipe above opposite side flows out, and sets gradually dissolved oxygen concentration sensor, conductivity sensor and pH sensor in three flow cells.
2. a kind of water quality detection equipment according to claim 1, it is characterized in that, the rising pipe of first flow cell is also communicated with grate flow channel, and the outlet of this gas exhaust duct is connected with the rising pipe of the 3rd flow cell.
3. a kind of water quality detection equipment according to claim 2, is characterized in that, described gas exhaust duct is half frame-shaped construction, by vertically rise to upper runner, horizontal run and be connected in sequence to lower flow channel.
4. a kind of water quality detection equipment according to claim 3, is characterized in that, the described lower end to upper runner is directly connected with the rising pipe of first flow cell with T-shaped structure.
5. a kind of water quality detection equipment according to claim 3, is characterized in that, the described lower end to lower flow channel is directly connected with the rising pipe of the 3rd flow cell with T-shaped structure.
6. a kind of water quality detection equipment according to claim 3, is characterized in that, be provided with 90 degree of atmosphere opening portions bent in the middle part of described horizontal run, end is provided with atmosphere opening hole.
7. a kind of water quality detection equipment according to any one of claim 2-6, is characterized in that, the diameter of described grate flow channel is greater than the rising pipe of flow cell.
8. a kind of water quality detection equipment according to claim 1, is characterized in that, be provided with heat exchanger coil in described cooling device, and the below of shell is provided with chilled water inlet pipe, top is provided with cooling water outlet tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410787129.1A CN104391099A (en) | 2014-12-17 | 2014-12-17 | Water quality testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410787129.1A CN104391099A (en) | 2014-12-17 | 2014-12-17 | Water quality testing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104391099A true CN104391099A (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410787129.1A Pending CN104391099A (en) | 2014-12-17 | 2014-12-17 | Water quality testing equipment |
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| CN (1) | CN104391099A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972580A (en) * | 2016-06-22 | 2016-09-28 | 天津安联天源节能科技有限公司 | Recycling device capable of detecting steam condensate water quality |
| CN110320334A (en) * | 2018-03-30 | 2019-10-11 | 三菱日立电力***株式会社 | Water quality monitoring system, the steam turbine system and water quality monitoring method for having the water quality monitoring system |
| CN112730525A (en) * | 2020-12-25 | 2021-04-30 | 杭州绿洁环境科技股份有限公司 | Low-concentration trace water sample pH conductivity detector |
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| JP2008032691A (en) * | 2006-06-29 | 2008-02-14 | Fuji Electric Systems Co Ltd | Water quality monitoring system and method |
| JP2011191194A (en) * | 2010-03-15 | 2011-09-29 | Kurita Water Ind Ltd | Quality measuring instrument of water and steam quality monitoring device |
| JP2011190994A (en) * | 2010-03-15 | 2011-09-29 | Kurita Water Ind Ltd | Steam-quality monitoring device |
| CN203490212U (en) * | 2013-09-29 | 2014-03-19 | 重庆工业自动化仪表研究所 | Water quality testing flow cell |
| CN204422516U (en) * | 2014-12-17 | 2015-06-24 | 国网上海市电力公司 | A kind of water quality detection equipment |
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2014
- 2014-12-17 CN CN201410787129.1A patent/CN104391099A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008032691A (en) * | 2006-06-29 | 2008-02-14 | Fuji Electric Systems Co Ltd | Water quality monitoring system and method |
| JP2011191194A (en) * | 2010-03-15 | 2011-09-29 | Kurita Water Ind Ltd | Quality measuring instrument of water and steam quality monitoring device |
| JP2011190994A (en) * | 2010-03-15 | 2011-09-29 | Kurita Water Ind Ltd | Steam-quality monitoring device |
| CN203490212U (en) * | 2013-09-29 | 2014-03-19 | 重庆工业自动化仪表研究所 | Water quality testing flow cell |
| CN204422516U (en) * | 2014-12-17 | 2015-06-24 | 国网上海市电力公司 | A kind of water quality detection equipment |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972580A (en) * | 2016-06-22 | 2016-09-28 | 天津安联天源节能科技有限公司 | Recycling device capable of detecting steam condensate water quality |
| CN110320334A (en) * | 2018-03-30 | 2019-10-11 | 三菱日立电力***株式会社 | Water quality monitoring system, the steam turbine system and water quality monitoring method for having the water quality monitoring system |
| US11060422B2 (en) | 2018-03-30 | 2021-07-13 | Mitsubishi Power, Ltd. | Water quality monitoring system and steam turbine system including the same as well as water quality monitoring method |
| CN110320334B (en) * | 2018-03-30 | 2021-08-31 | 三菱动力株式会社 | Water quality monitoring system, steam turbine system provided with same, and water quality monitoring method |
| CN112730525A (en) * | 2020-12-25 | 2021-04-30 | 杭州绿洁环境科技股份有限公司 | Low-concentration trace water sample pH conductivity detector |
| CN112730525B (en) * | 2020-12-25 | 2024-01-16 | 杭州绿洁科技股份有限公司 | Low-concentration trace water sample pH conductivity detector |
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Application publication date: 20150304 |