CN111896699A - BOD online monitoring device and method based on composite strain putting - Google Patents
BOD online monitoring device and method based on composite strain putting Download PDFInfo
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- CN111896699A CN111896699A CN202010619711.2A CN202010619711A CN111896699A CN 111896699 A CN111896699 A CN 111896699A CN 202010619711 A CN202010619711 A CN 202010619711A CN 111896699 A CN111896699 A CN 111896699A
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- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 44
- 244000005700 microbiome Species 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- 235000015097 nutrients Nutrition 0.000 claims description 7
- 239000008213 purified water Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 239000000243 solution Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 8
- 230000000813 microbial effect Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 3
- 239000012482 calibration solution Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009629 microbiological culture Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- 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
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
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Abstract
The invention discloses a BOD online monitoring device based on composite strain release, which comprises a water storage tank, wherein sample water is communicated with the water storage tank through a first peristaltic pump and a filter, the water storage tank is connected with a first switching end of a first switching valve, a second switching end of the first switching valve is connected with a second container, a fixed end of the first switching valve is connected with a first switching end of a second switching valve, a second switching end of the second switching valve is connected with the first container, a fixed end of the second switching valve is connected with the second container through the second peristaltic pump, and a third switching valve, a microorganism culture tube, a fourth switching valve, a detection container and a DO sensor are arranged in the second container; maintenance costs; the detection range is enlarged, the environmental adaptability is improved, and the environmental protection performance is good.
Description
Technical Field
The invention belongs to the field of water quality monitoring, and particularly relates to a BOD online monitoring device based on composite strain release and a BOD online monitoring method based on composite strain release.
Background
The existing BOD monitoring methods are mainly divided into two categories, namely BOD5 detection and rapid BOD detection. BOD5 detection needs to be cultured for five days, can only be carried out in a laboratory environment, and cannot realize online monitoring. BOD rapid detection currently on the market, which is relatively authoritative and most close to the industrial standard, is a microbial membrane method-based BOD rapid detector developed in environmental protection of Tianjin Sipu. But the product can only be used in a laboratory and cannot be used for a long time on line outdoors. In order to solve the online BOD monitoring problem, the first type of new beacon development is used for an outdoor online BOD monitoring device. The device solves the problem that no BOD online monitoring equipment exists in the market, but the device is developed based on an environment-friendly microbial membrane BOD rapid detector of Tianjin Sepu and has certain inconvenience in maintenance. The following disadvantages are mainly present:
the microbial film is troublesome to use, needs to be soaked for a long time to ensure microbial activity, the activity of the fixed strain is difficult to control, different water samples are difficult to control the activity, and the point position monitoring effect with longer monitoring time interval is influenced.
Since the microbial activity is difficult to control, equipment needs to be calibrated regularly, and the calibration solution is easy to deteriorate, so that certain rigid requirements are required for the maintenance period.
The known strains have certain adaptability to water samples, and partial environmental water sample monitoring effect is influenced.
The solutions involved in the equipment operation calibration are various, three solutions need to be prepared, part of the solutions need to be diluted on line, the equipment operation flow is complicated, and the equipment operation maintenance requirements are increased.
The microbial film needs to be replaced regularly, and certain maintenance cost is provided.
The consumption of phosphate solution is large.
The discharge of the phosphorus-containing solution is involved, and certain influence is caused to the environment.
The above problems have been the main reasons that prevent the large-area popularization and application of the existing BOD monitoring method, and the existing method cannot well meet the monitoring and use requirements of most BOD instruments in the existing market. An online BOD monitoring device with low maintenance, stability and reliability is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an online BOD monitoring device based on composite strain release and an online BOD monitoring method based on composite strain release. The invention has low maintenance, reliability, strong self-adaptation and high stability. The more mature online BOD monitoring is realized, and the online monitoring problem of BOD is optimized and improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a BOD on-line monitoring device based on composite strain putting comprises a water storage tank, sample water is communicated with the water storage tank through a first peristaltic pump and a filter, the water storage tank is connected with a first switching end of a first switching valve, a second switching end of the first switching valve is connected with a second container, a fixed end of the first switching valve is connected with a first switching end of a second switching valve, a second switching end of the second switching valve is connected with the first container, a fixed end of the second switching valve is connected with the second container through the second peristaltic pump,
the second container is internally provided with a third switching valve, a microorganism culture tube, a fourth switching valve, a detection container and a DO sensor, the strain culture pond is connected with a first switching end of the third switching valve, a fixed end of the third switching valve is communicated with the second container, a second switching end of the third switching valve is connected with the microorganism culture tube, the microorganism culture tube is connected with a first switching end of the fourth switching valve, a second switching end of the fourth switching valve is communicated with the second container, a fixed end of the fourth switching valve is connected with the detection container, the detection container is connected with the DO sensor, and the detection container is also connected with the discharge port through a third peristaltic pump.
The water storage tank is connected with the discharge port through the first control valve, the water discharge port of the second container is connected with the discharge port through the second control valve, and the strain culture tank is connected with the third container through the third control valve.
The utility model provides a BOD on-line monitoring device based on compound bacterial is put in, still includes the thermostatic control ware that is used for controlling the temperature in the second container, and the second container still is connected with the air pump.
A BOD online monitoring method based on composite strain release comprises the following steps:
step 1, a first peristaltic pump works to pump out a water sample in the water sample, the water sample enters a water storage tank through a filter, and the water sample is kept stand for 5-30 min in the water storage tank;
step 2, switching the first switching valve and the second switching valve to enable liquid to be detected in the water storage tank to sequentially pass through the first switching valve, the second switching valve and the second peristaltic pump and enter a second container;
step 3, switching the first switching valve and the second switching valve to enable the inlet end of the second peristaltic pump to be communicated with the second container sequentially through the second switching valve and the first switching valve, and enabling the outlet end of the second peristaltic pump to be connected with the second container, and starting the second peristaltic pump to circulate the liquid to be detected in the second container;
step 4, starting an air pump, and aerating the liquid to be detected in the second container to enable the liquid to be detected to reach the saturated dissolved oxygen concentration;
step 5, switching a fourth switching valve to enable the second container to be communicated with the detection container through the fourth switching valve, enabling a third peristaltic pump to work, enabling liquid to be detected in the second container to slowly flow through the fourth switching valve, the detection container and the third peristaltic pump to a discharge port, and enabling a DO sensor to detect dissolved oxygen through the detection container until the detection of the dissolved oxygen is stable;
and switching the third switching valve and the fourth switching valve to enable the detection container to be communicated with the microorganism culture pipe through the fourth switching valve, enabling the strain culture pond to be communicated with the second container through the third switching valve to enable strain solution in the strain culture pond to be led into the second container, switching the third switching valve after setting time to enable the second container to be communicated with the microorganism culture pipe through the third switching valve, enabling the third peristaltic pump to work, enabling mixed liquid to be detected in the second container to slowly flow through the third switching valve, the microorganism culture pipe, the fourth switching valve, the detection container and the third peristaltic pump to a discharge port, and enabling the DO sensor to detect dissolved oxygen through the detection container until the detection of the dissolved oxygen is stable.
The method also comprises the following nutrient solution supplementing step: and opening a third control valve to inject the nutrient solution in the third container into the strain culture pond.
Further comprises a water drainage step: and opening the first control valve and the second control valve to discharge the water in the water storage tank and the second container under the action of gravity.
Further comprises a washing step: and switching the second switching valve to enable the first container to be communicated with the inlet end of the second peristaltic pump through the second switching valve, and injecting the purified water into the second container through the second peristaltic pump and then discharging the purified water through the second control valve and the discharge port.
Compared with the prior art, the invention has the following beneficial effects:
1. need not to use the microbial film, need not to soak for a long time and guarantee the microbial activity, different water samples are controllable to the activity influence, have better monitoring effect to the longer point position of monitoring time interval.
2. And specific calibration solution does not need to be prepared, so that the field maintenance cost is reduced.
3. The online measurement of sample water can be realized, the strain culture pond and the microorganism culture tube are arranged, the detection application range is enlarged, the effect of strains on sample water treatment can be measured in real time, the environmental adaptability is improved, and the reaction period is shortened.
4. The reagent solution discharged after the treatment of the invention has little harm to the environment and good environmental protection.
Drawings
FIG. 1 is a schematic structural view of the present invention.
Detailed description of the preferred embodiments
The present invention will be described in further detail with reference to examples for the purpose of facilitating understanding and practice of the invention by those of ordinary skill in the art, and it is to be understood that the present invention has been described in the illustrative embodiments and is not to be construed as limited thereto.
A BOD online monitoring device based on composite strain release comprises a water storage tank, sample water is communicated with the water storage tank through a first peristaltic pump and a filter, the water storage tank is connected with a first switching end of a first switching valve, a second switching end of the first switching valve is connected with a second container, a fixed end of the first switching valve is connected with a first switching end of a second switching valve, a second switching end of the second switching valve is connected with a first container, a fixed end of the second switching valve is connected with a second container through the second peristaltic pump, a third switching valve, a microorganism culture pipe, a fourth switching valve, a detection container and a DO sensor are arranged in the second container, the strain culture tank is connected with a first switching end of the third switching valve, a fixed end of the third switching valve is communicated with the second container, a second switching end of the third switching valve is connected with a microorganism culture pipe, the microorganism culture pipe is connected with a first switching end of the fourth switching valve, and a second switching end of the fourth switching valve is communicated with the second container, a fixed end of the fourth switching valve is connected with the detection container, the detection container is connected with the DO sensor, and the detection container is also connected with the discharge port through a third peristaltic pump.
The fixed end of the first switching valve can be switched to be connected with the first switching end or the second switching end of the first switching valve. The fixed end of the second switching valve can be switched to be connected with the first switching end or the second switching end of the second switching valve. The fixed end of the third switching valve can be switched to be connected with the first switching end or the second switching end of the third switching valve. The fixed end of the fourth switching valve can be switched to be connected with the first switching end or the second switching end of the fourth switching valve.
The third switching valve, the microbial culture tube, the fourth switching valve, the detection vessel, and the DO sensor may be submerged within the liquid of the second vessel. The microorganism culture tube may be a serpentine tube having a long flow path.
The water storage tank is connected with the discharge port through a first control valve, the water discharge port of the second container is connected with the discharge port through a second control valve, and the strain culture tank is connected with the third container through a third control valve.
The temperature control device further comprises a constant temperature controller used for controlling the temperature in the second container, and the temperature in the second container is controlled to be 20-30 ℃, or the temperature in the second container is controlled according to requirements. The constant temperature controller is a commercially available water bath temperature controller.
The second container is also connected with an air pump. The air pump can pump air into the second container to increase oxygen for the solution in the second container.
The DO sensor is a commonly used commercially available fluorometric dissolved oxygen sensor.
A BOD online monitoring method based on composite strain release comprises the following steps:
step 1, water taking step: the first peristaltic pump works to pump out a water sample in the water sample, and the water sample enters the water storage tank through the filter. And standing the water sample in a water storage tank for 5-30 min.
Step 2, injecting the solution to be detected: by switching the first switching valve (the first switching end is communicated with the fixed end) and the second switching valve (the first switching end is communicated with the fixed end), liquid to be detected in the water storage tank sequentially passes through the first switching valve, the second switching valve and the second peristaltic pump to enter the second container, and the temperature in the second container is controlled to be 20-30 ℃ by the constant temperature controller.
Step 3, circulating the solution to be detected: by switching the first switching valve (the second switching end is communicated with the fixed end) and the second switching valve (the first switching end is communicated with the fixed end), the inlet end of the second peristaltic pump is communicated with the second container through the second switching valve and the first switching valve in sequence, the outlet end of the second peristaltic pump is connected with the second container, and the effect of internal circulation of liquid to be detected in the second container can be realized by starting the second peristaltic pump.
Step 4, oxygenation step: and opening the air pump while the liquid to be detected circulates, and aerating the liquid to be detected in the second container to ensure that the liquid to be detected reaches the saturated dissolved oxygen concentration.
Step 5, BOD measurement: switching a fourth switching valve (a second switching end is communicated with the fixed end), so that the second container is communicated with the detection container through the fourth switching valve, the third peristaltic pump works, the liquid to be detected in the second container slowly flows through the fourth switching valve, the detection container and the third peristaltic pump to the discharge port, and meanwhile, the DO sensor detects the dissolved oxygen through the detection container until the dissolved oxygen detection is stable;
switching a third switching valve (a first switching end is communicated with a fixed end) and a fourth switching valve (the first switching end is communicated with the fixed end), so that the detection container is communicated with the microorganism culture pipe through the fourth switching valve, the strain culture pond is communicated with the second container through the third switching valve, a strain solution in the strain culture pond is led into the second container, the third switching valve (a second switching end is communicated with the fixed end) is switched after a period of time, so that the second container is communicated with the microorganism culture pipe through the third switching valve, a third peristaltic pump works, a mixed solution to be detected in the second container slowly flows through the third switching valve, the microorganism culture pipe, the fourth switching valve, the detection container and the third peristaltic pump to a discharge port, and meanwhile, a DO sensor detects dissolved oxygen through the detection container until the dissolved oxygen detection is stable;
step 6, nutrient solution supplement: after a period of time, the third control valve is opened, so that the nutrient solution in the third container is injected into the strain culture pond to supplement nutrient substances for the strains in the strain culture pond.
Step 7, draining: after the measurement work is finished, the water in the water storage tank or the second container can be drained under the action of gravity by opening the first control valve or the second control valve.
Step 8, washing: and the second switching valve is switched (the second switching end is communicated with the fixed end), so that the first container is communicated with the inlet end of the second peristaltic pump through the second switching valve, and purified water is injected into the second container through the second peristaltic pump and then is discharged through the second control valve and the discharge port, thereby playing a cleaning role.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. A BOD online monitoring device based on composite strain putting comprises a water storage tank and is characterized in that sample water is communicated with the water storage tank through a first peristaltic pump and a filter, the water storage tank is connected with a first switching end of a first switching valve, a second switching end of the first switching valve is connected with a second container, a fixed end of the first switching valve is connected with a first switching end of a second switching valve, a second switching end of the second switching valve is connected with the first container, a fixed end of the second switching valve is connected with the second container through the second peristaltic pump,
the second container is internally provided with a third switching valve, a microorganism culture tube, a fourth switching valve, a detection container and a DO sensor, the strain culture pond is connected with a first switching end of the third switching valve, a fixed end of the third switching valve is communicated with the second container, a second switching end of the third switching valve is connected with the microorganism culture tube, the microorganism culture tube is connected with a first switching end of the fourth switching valve, a second switching end of the fourth switching valve is communicated with the second container, a fixed end of the fourth switching valve is connected with the detection container, the detection container is connected with the DO sensor, and the detection container is also connected with the discharge port through a third peristaltic pump.
2. The BOD online monitoring device based on composite strain putting-in of claim 1, wherein the water storage tank is connected with the discharge port through a first control valve, the water discharge port of the second container is connected with the discharge port through a second control valve, and the strain culture tank is connected with the third container through a third control valve.
3. The BOD online monitoring device based on composite strain release as claimed in claim 1, wherein the second container is further connected to an air pump.
4. A BOD on-line monitoring method based on composite strain release, which utilizes the BOD on-line monitoring device based on composite strain release as claimed in claim 2,
step 1, a first peristaltic pump works to pump out a water sample in the water sample, the water sample enters a water storage tank through a filter, and the water sample is kept stand for 5-30 min in the water storage tank;
step 2, switching the first switching valve and the second switching valve to enable liquid to be detected in the water storage tank to sequentially pass through the first switching valve, the second switching valve and the second peristaltic pump and enter a second container;
step 3, switching the first switching valve and the second switching valve to enable the inlet end of the second peristaltic pump to be communicated with the second container sequentially through the second switching valve and the first switching valve, and enabling the outlet end of the second peristaltic pump to be connected with the second container, and starting the second peristaltic pump to circulate the liquid to be detected in the second container;
step 4, starting an air pump, and aerating the liquid to be detected in the second container to enable the liquid to be detected to reach the saturated dissolved oxygen concentration;
step 5, switching a fourth switching valve to enable the second container to be communicated with the detection container through the fourth switching valve, enabling a third peristaltic pump to work, enabling liquid to be detected in the second container to slowly flow through the fourth switching valve, the detection container and the third peristaltic pump to a discharge port, and enabling a DO sensor to detect dissolved oxygen through the detection container until the detection of the dissolved oxygen is stable;
and switching the third switching valve and the fourth switching valve to enable the detection container to be communicated with the microorganism culture pipe through the fourth switching valve, enabling the strain culture pond to be communicated with the second container through the third switching valve to enable strain solution in the strain culture pond to be led into the second container, switching the third switching valve after setting time to enable the second container to be communicated with the microorganism culture pipe through the third switching valve, enabling the third peristaltic pump to work, enabling mixed liquid to be detected in the second container to slowly flow through the third switching valve, the microorganism culture pipe, the fourth switching valve, the detection container and the third peristaltic pump to a discharge port, and enabling the DO sensor to detect dissolved oxygen through the detection container until the detection of the dissolved oxygen is stable.
5. The on-line BOD monitoring method based on composite strain release as claimed in claim 4, further comprising the steps of nutrient solution supplement: and opening a third control valve to inject the nutrient solution in the third container into the strain culture pond.
6. The on-line BOD monitoring method based on composite strain release as claimed in claim 5, further comprising a drainage step: and opening the first control valve and the second control valve to discharge the water in the water storage tank and the second container under the action of gravity.
7. The on-line BOD monitoring method based on composite strain release as claimed in claim 6, further comprising the steps of: and switching the second switching valve to enable the first container to be communicated with the inlet end of the second peristaltic pump through the second switching valve, and injecting the purified water into the second container through the second peristaltic pump and then discharging the purified water through the second control valve and the discharge port.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113916962A (en) * | 2021-09-27 | 2022-01-11 | 聚光科技(杭州)股份有限公司 | Water quality detection system and method based on microbial film on-site activation |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0545352A (en) * | 1991-08-16 | 1993-02-23 | Fuji Electric Co Ltd | Bod measuring apparatus |
| JPH06258284A (en) * | 1993-03-09 | 1994-09-16 | Fuji Electric Co Ltd | Bod measuring device |
| US20020137093A1 (en) * | 1997-05-19 | 2002-09-26 | Teofilo Jose Diez-Caballero Arnau | Method for continuous monitoring of chemical substances in fluids |
| CN2596357Y (en) * | 2003-01-16 | 2003-12-31 | 国家海洋技术中心 | On-site quick measurer biological reactor for marine biochemical oxygen demand |
| WO2007020675A1 (en) * | 2005-08-12 | 2007-02-22 | Ogawa Environmental Research Institute, Inc. | Method and apparatus for measuring bod |
| CN101413915A (en) * | 2008-12-01 | 2009-04-22 | 中国科学院长春应用化学研究所 | Method for rapidly detecting biochemical oxygen demand by using on site culture organism |
| CN102796660A (en) * | 2012-08-27 | 2012-11-28 | 中国科学院长春应用化学研究所 | Detection device for monitoring water quality on line and water quality on-line monitoring method |
| CN104267166A (en) * | 2014-10-13 | 2015-01-07 | 吉林市光大分析技术有限责任公司 | Rapid biological oxygen consumption detection device |
| CN105004847A (en) * | 2015-07-13 | 2015-10-28 | 中科宇图天下科技有限公司 | Microbe breathing oxygen consumption monitoring-based water toxicity on-line early-warning device and method |
| CN205484317U (en) * | 2016-04-11 | 2016-08-17 | 中国环境科学研究院 | Toxicity monitoring devices is synthesized to quality of water |
| CN206020212U (en) * | 2016-06-30 | 2017-03-15 | 力合科技（湖南）股份有限公司 | A kind of BOD online auto monitoring systems |
| CN108663427A (en) * | 2018-05-23 | 2018-10-16 | 燕山大学 | A kind of seawater BOD online auto monitoring systems based on microbial film reactor |
| CN110186970A (en) * | 2019-07-10 | 2019-08-30 | 廊坊市慧璟科技有限公司 | A kind of sewage treatment plant inflow toxicity on-line measuring device |
-
2020
- 2020-07-01 CN CN202010619711.2A patent/CN111896699A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0545352A (en) * | 1991-08-16 | 1993-02-23 | Fuji Electric Co Ltd | Bod measuring apparatus |
| JPH06258284A (en) * | 1993-03-09 | 1994-09-16 | Fuji Electric Co Ltd | Bod measuring device |
| US20020137093A1 (en) * | 1997-05-19 | 2002-09-26 | Teofilo Jose Diez-Caballero Arnau | Method for continuous monitoring of chemical substances in fluids |
| CN2596357Y (en) * | 2003-01-16 | 2003-12-31 | 国家海洋技术中心 | On-site quick measurer biological reactor for marine biochemical oxygen demand |
| WO2007020675A1 (en) * | 2005-08-12 | 2007-02-22 | Ogawa Environmental Research Institute, Inc. | Method and apparatus for measuring bod |
| CN101413915A (en) * | 2008-12-01 | 2009-04-22 | 中国科学院长春应用化学研究所 | Method for rapidly detecting biochemical oxygen demand by using on site culture organism |
| CN102796660A (en) * | 2012-08-27 | 2012-11-28 | 中国科学院长春应用化学研究所 | Detection device for monitoring water quality on line and water quality on-line monitoring method |
| CN104267166A (en) * | 2014-10-13 | 2015-01-07 | 吉林市光大分析技术有限责任公司 | Rapid biological oxygen consumption detection device |
| CN105004847A (en) * | 2015-07-13 | 2015-10-28 | 中科宇图天下科技有限公司 | Microbe breathing oxygen consumption monitoring-based water toxicity on-line early-warning device and method |
| CN205484317U (en) * | 2016-04-11 | 2016-08-17 | 中国环境科学研究院 | Toxicity monitoring devices is synthesized to quality of water |
| CN206020212U (en) * | 2016-06-30 | 2017-03-15 | 力合科技（湖南）股份有限公司 | A kind of BOD online auto monitoring systems |
| CN108663427A (en) * | 2018-05-23 | 2018-10-16 | 燕山大学 | A kind of seawater BOD online auto monitoring systems based on microbial film reactor |
| CN110186970A (en) * | 2019-07-10 | 2019-08-30 | 廊坊市慧璟科技有限公司 | A kind of sewage treatment plant inflow toxicity on-line measuring device |
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| CN113916962A (en) * | 2021-09-27 | 2022-01-11 | 聚光科技(杭州)股份有限公司 | Water quality detection system and method based on microbial film on-site activation |
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