CN201331497Y - Permanganate index on-line automatic monitor device - Google Patents
Permanganate index on-line automatic monitor device Download PDFInfo
- Publication number
- CN201331497Y CN201331497Y CNU2008201997629U CN200820199762U CN201331497Y CN 201331497 Y CN201331497 Y CN 201331497Y CN U2008201997629 U CNU2008201997629 U CN U2008201997629U CN 200820199762 U CN200820199762 U CN 200820199762U CN 201331497 Y CN201331497 Y CN 201331497Y
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- Prior art keywords
- permanganate index
- monitoring device
- auto monitoring
- online auto
- reaction unit
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Abstract
The utility model discloses a permanganate index on-line automatic monitor device, which comprises a sample supply device, a reaction device and a titrating solution storage device which are all sequentially connected through pipelines, and gauging devices are respectively disposed at the front end of the sample supply device and between the reaction device and the titrating solution storage device. The utility model is characterized in that each of the gauging devices is a peristaltic pump with the rear end provided with an opto-electronic gauge pipe. The permanganate index on-line automatic monitor device leads reagents and samples to be precisely quantified, leads the result to be more accurate and reliable, and is applicable to on-line monitor of raw water with the concentration of 1-20 mg/L.
Description
Technical field
The utility model belongs to water quality detection instrument field, in particular, relates to the instrument of the pollutant oxygen consumed amount in a kind of computer-controlled detection water.
Background technology
Chemical oxygen consumption (COC) (Chemical Oxygen Demand, COD
Mn) to be also referred to as " permanganate index " be under certain condition, with some organism and the inorganic reduction material in the potassium permanganate oxidation water sample, calculates suitable oxygen amount by the potassium permanganate amount that consumes.By the pollutant oxygen consumed amount in the water, reflect the degree that water body is polluted by reducing substances, it is one of important index of surface water quality clean-up performance.When the permanganate index in the surface water is higher, can make the aquatic organism mass mortality, the water body blackout is smelly.
CNS " mensuration of water quality permanganate index " (GB11892-89) in regulation, under given conditions,, calculate permanganate index in the water sample according to the consumption of potassium permanganate with the pollutant in the potassium permanganate oxidation water sample.The measured value of permanganate index can be because of conditions such as having or not of time of the kind of oxygenant and concentration, acidity, temperature of reaction, each operation and catalyzer different, and different results appears, therefore chemical oxygen demand (COD) is a conditionality index, must strict be undertaken by operation steps.
There are some permanganate index automatic analyzers in the prior art, a kind of automatic in-situ permanganate index analyzer was disclosed on April 17th, 2002 as Chinese patent ZL01131516.4, by automatic sampler, the automatic gauge titrator, taking back the titration cell and all unit of photometric detector of stream condenser pipe forms in regular turn, single-chip microcomputer is from all unit image data, control is analyzed automatically and is shown, its automatic gauge titrator, be to utilize the electronic multiple valve of eight channel-types, as advancing of high precision piston pump butt joint reagent, continuous and the switching device shifter of liquid injection pipe, the luminosity of single-chip microcomputer, the signal controlling loop can be to H
2SO
4, KMnO
4, NaC
2O
4The fluence of adopting regulate, precision reaches 0.87 μ l/ step.Its automatic sampler is by sampling pipe and distill water pipe, connect preceding three-way solenoid valve, peristaltic pump, back three-way solenoid valve, ball shape quantitative cup and injection sample tube in turn forms.Titration cell top condensing reflux pipe is the high wind cold mould, and H is established in the bottom
2SO
4, KMnO
4, NaC
2O
4Filling orifice and be associated with the evacuation port of peristaltic pump, also be provided with well heater, photometric detector, the magnetic stirrer of temperature control.This equipment carries out the collection of sample and reagent by the automatic sampler and the ram pump of design, has made things convenient for use to a certain extent, but there is the device structure complexity in this instrument, safeguards more awkwardly that and failure rate height, ram pump such as are polluted easily at shortcoming.
Chinese patent ZL 01257250.0 also discloses a kind of permanganate index automonitor by the sampling unit on August 7th, 2002, metering units, the reagent storage unit, reactor unit, detecting unit, the displayed record unit, industry control, data processing and transmission unit are formed, wherein said detecting unit adopts the colorimetric pool that has the discharging of waste liquid pipe that is fixed on the colorimetric base by retainer plate to form, light emitting diode and photodiode are fixed on the colorimetric base, and be positioned at the both sides of colorimetric pool, a colorimetric pool lid that has air hole and feed tube is installed on the colorimetric pool, the colorimetric pool lid is built-in with the O-ring seal with the colorimetric pool port sealing, the colorimetric pool bottom is equipped with the photoelectric colorimetry device of a stirrer.Adopt spectrophotometric method, this method need carry out data contrast conversion owing to detect, and data-switching is often brought very big error at measurment into, is difficult to directly obtain desirable measurement result.
Because there is such-and-such problem in the permanganate index monitoring instrument in the prior art, and present stage environmental protection pay attention to day by day, one can make things convenient for on-line monitoring, and the demand that can solve the defective that has monitor now again is more and more urgent.The present invention comes therefrom.
The utility model content
The utility model provides a kind of new permanganate index online auto monitoring device, solved in the prior art that permanganate index online auto monitoring directional error is big, failure rate is higher and also equipment cost than problems such as height.
In order to solve the above-mentioned problems in the prior art, the solution that the utility model provides is as follows:
A kind of permanganate index online auto monitoring device, the sample generator, reaction unit, the vs storage device that comprise pipeline connection successively, between described sample generator front end and reaction unit, vs storage device, measuring apparatus is set respectively, it is characterized in that described measuring apparatus is the peristaltic pump that the rear end is provided with the photoelectrometer buret.
Preferably, described photoelectrometer buret comprises the gauge line of determining volume, and described gauge line arranged outside has photoelectric detector, and photoelectric detector links to each other by the programmable logic controller (PLC) of circuit with the control peristaltic pump.
Preferably, described photoelectric detector comprises that being in metering emissive source and the metering that the gauge line outside distributes accepts the source, and metering is accepted the source and accepted to send programmable logic controller (PLC) to by photoelectric switching circuit behind the light signal that the metering emissive source sends.
Preferably, in described reaction unit arranged outside the drop reaction detecting device is arranged, described drop reaction detecting device comprises and is in the emissive source that the reaction unit outside distributes and accepts the source, and the programmable logic controller (PLC) of control peristaltic pump is accepted to send to by photoelectric switching circuit behind the light signal that emissive source sends in the source of acceptance.
Preferably, described sample generator is a multi-way selecting valve, and the unidirectional selection of described multi-way selecting valve opens and closes the connection of measuring apparatus, distilled water bottle, waste liquid bottle, sodium oxalate bottle, sulfuric acid bottle and vs storage device.
Preferably, described vs storage device is the container that contains the potassium permanganate titer, and the peristaltic pump measuring apparatus that there is the photoelectrometer buret rear end is set between described vs storage device and reaction unit.
Preferably, described permanganate index online auto monitoring device also is provided with temperature control equipment, and described temperature control equipment is arranged on the reaction unit below; Described temperature control equipment is a thermopair.
Preferably, be provided with the elastic tube in the pump case passage in the described peristaltic pump, the elastic tube inboard is the roller of eight shaft step motors, and described programmable logic controller (PLC) is connected on the described multiaxis stepper motor.
Preferably, described reaction unit is airtight container, and its upper end communicates with atmosphere by pipeline.
Preferably, described permanganate index online auto monitoring device is by data transmission device and tele-control system contact; Described data transmission device comprises telephone network, GSM mobile handset short message net, GPRS or cdma network.
Owing to adopt the rear end to be provided with the measuring apparatus of the peristaltic pump of photoelectrometer buret, overcome the error that peristaltic pump causes owing to a period of time uses or other reason causes instability of flow in the technical solution of the present invention; And adopt peristaltic pump negative pressure suction to carry out collected specimens and reagent, and guarantee the contact of liquid discord pump line, fundamentally stopped the pollution of pump line to liquid, also avoided the pump line corrosion simultaneously, prolonged the life-span of peristaltic pump.Simultaneously, in preferred version, adopt high performance photoelectric technology to judge titration end-point, improved the accuracy of judgement degree of titration end-point greatly, and directly do not contacted with liquid in the reaction unit outside, avoided some problems of electrode method, shorter as electrode pair liquid contamination, electrode life.
Device of the present invention is to adopt potassium permanganate and the sulfuric acid that adds known quantity in the quantitative water sample, in 5min, the liquid in the reaction unit is warmed up to 98 ℃ (temperature can be adjusted according to sea level elevation), liquid is cleared up 30 ± 0.1min after being raised to this temperature in reaction unit, potassium permanganate is with some organism in the water sample and the oxidation of inorganics oxidizable substance therebetween, reaction back adds excessive sodium oxalate and reduces remaining potassium permanganate, use the excessive sodium oxalate of potassium permanganate standard solution residual titration again, by calculating the permanganate index in the water sample.
Technical scheme of the present invention based on CNS " mensuration of water quality permanganate index " (GB11892-89) makes device of the present invention obtain data and need not to carry out data-switching, avoided measuring error.In device, adopt the operation of programmable logic controller (PLC) controls device in the preferred technical solution of the present invention, thereby make things convenient for the automation mechanized operation of instrument, can reach the precision higher again than prior art.The error of indication of apparatus of the present invention is not more than ± and 5%, stability error is not more than ± 5%, reproducibility error is not more than ± 3%, span drift is not more than ± 5%.
The permanganate index online auto monitoring device of inventor's design can pass through remote data transmission technology flexible networking, can realize that telephone network, GSM mobile handset short message net, GPRS or the real-time Surveillance center of cdma network to the reverse warning to Surveillance center of Remote, remote measurement and the monitoring point of monitoring point, can realize the technical requirement of on-line monitoring like this.
In addition, adopt multi-way selecting valve in the preferred version of the present invention, passage is versatile and flexible, has abandoned expensive diaphragm electromagnetic valve, greatly reduces maintenance and maintenance cost.
Technical scheme of the present invention is applicable to that measuring concentration is the former water of 1.0～20.0mg/L, even it is higher, thereby technical scheme of the present invention can be used for tap water seedbed, waterworks Inlet and outlet water, tap water pipe network, surface water (river, river, lake, reservoir) etc. are directly measured, and also can be widely used in the monitoring to water environment of water environment automatic monitor station, waterworks, tap water pipe network control point, regional hydrosphere point, water analysis chamber and environment at different levels regulator.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment permanganate index online automatic monitor.
Wherein, 1 is the wriggling volume pump, and 2 is the drop reaction detecting device, and 3 is gauge line, and 4 is photoelectric detector, and 5 is the vs storage device, and 6 is sulfuric acid bottle, and 7 is reaction unit, and 8 is that waste liquid bottle, 9 is that sodium oxalate bottle, 10 is multi-way selecting valve, and 11 is distilled water bottle.
Embodiment
In order to describe the technical solution of the utility model in detail, below describe in detail by specific embodiment:
Embodiment such as Fig. 1, a kind of permanganate index online automatic monitor, the multi-way selecting valve 10, reaction unit 7, the potassium permanganate titer bottle 5 that comprise pipeline connection successively, between multi-way selecting valve 10 and reaction unit, the potassium permanganate titer bottle respectively pipeline connect measuring apparatus be set, this measuring apparatus is the peristaltic pump 1 that the rear end is provided with the photoelectrometer buret, be provided with the elastic tube in the pump case passage in the peristaltic pump, the elastic tube inboard is the roller of eight shaft step motors, and programmable logic controller (PLC) is connected on the multiaxis stepper motor.This photoelectrometer buret comprises the gauge line 3 of determining volume, the gauge line arranged outside has photoelectric detector 4, photoelectric detector comprises that being in metering emissive source and the metering that the gauge line both sides distribute accepts the source, and metering is accepted the source and accepted to send programmable logic controller (PLC) to by photoelectric switching circuit behind the light signal that the metering emissive source sends.In the reaction unit arranged outside drop reaction detecting device 2 is arranged, the drop reaction detecting device comprises the emissive source that is in the distribution of reaction unit both sides and accepts the source that the drop reaction detecting device also links to each other by the programmable logic controller (PLC) of circuit with the control peristaltic pump.
Multi-way selecting valve 10 unidirectional selections open and close the connection of measuring apparatus, distilled water bottle 11, waste liquid bottle 8, sodium oxalate bottle 9, sulfuric acid bottle 6 and potassium permanganate titer bottle.Permanganate index online auto monitoring device also is provided with thermopair, and thermopair is arranged on the reaction unit below and is the reaction unit heating.Owing to adopted multi-way selecting valve in device, passage is versatile and flexible, has abandoned expensive diaphragm electromagnetic valve, greatly reduces maintenance and maintenance cost.
After the measurement cyclic process begins, wash each pipeline, gauge line and reaction unit with new water sample, to remove residual chaff interference.Use peristaltic pump successively to be added to water sample and potassium permanganate standard solution in the reaction unit, utilize the programmable logic controller (PLC) heating schedule at 5min with the interior water temperature (default temperature is 98 ℃) that apace liquid in the reaction unit is heated to setting, and then accurate timing heating 30min.In heating process,, guarantee that water sample and potassium permanganate standard solution mix fully by the bubbling mixing material, and homogeneous heating, to guarantee to clear up condition.Clear up and add sodium oxalate solution after finishing, be controlled at apace within 80 ℃～85 ℃ temperature ranges at 1～2min.Under the condition of strictness control temperature, carry out titration then, utilize electro-optical system to judge titration end-point, after reaching terminal point, keep nondiscolouring in the 30s with the potassium permanganate standard solution.Utilize the consumption, the concentration of sodium oxalate solution, the volume of water sample of potassium permanganate standard solution of consumption, the water sample of the potassium permanganate standard solution of blank sample, calculate the permanganate index of water sample.
Because reagent and sample collecting all use peristaltic pump in measuring, water sample and potassium permanganate standard solution direct and corrosion of peristaltic pump tube contact preventing and chaff interference pollution, adopt the photoelectrometer buret simultaneously, prevent the error of the liquid volume added that causes owing to the peristaltic pump fluctuations in discharge.Adopt high performance photoelectric technology simultaneously, improved the accuracy of judgement degree of titration end-point greatly, and directly do not contact with liquid, avoided the problem of electrode method: electrode pair liquid contamination, electrode life are shorter.
Above-mentioned example only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of being done according to the utility model spirit all should be encompassed within the protection domain of the present utility model.
Claims (10)
1, a kind of permanganate index online auto monitoring device, the sample generator, reaction unit, the vs storage device that comprise pipeline connection successively, between described sample generator front end and reaction unit, vs storage device, measuring apparatus is set respectively, it is characterized in that described measuring apparatus is the peristaltic pump that the rear end is provided with the photoelectrometer buret.
2, permanganate index online auto monitoring device according to claim 1, it is characterized in that described photoelectrometer buret comprises the gauge line of determining volume, described gauge line arranged outside has photoelectric detector, and photoelectric detector links to each other by the programmable logic controller (PLC) of circuit with the control peristaltic pump.
3, permanganate index online auto monitoring device according to claim 2, it is characterized in that described photoelectric detector comprises that being in metering emissive source and the metering that the gauge line outside distributes accepts the source, metering is accepted the source and is accepted to send programmable logic controller (PLC) to by photoelectric switching circuit behind the light signal that the metering emissive source sends.
4, permanganate index online auto monitoring device according to claim 1, it is characterized in that the drop reaction detecting device being arranged in described reaction unit arranged outside, described drop reaction detecting device comprises and is in the emissive source that the reaction unit outside distributes and accepts the source, and the programmable logic controller (PLC) of control peristaltic pump is accepted to send to by photoelectric switching circuit behind the light signal that emissive source sends in the source of acceptance.
5, permanganate index online auto monitoring device according to claim 1, it is characterized in that described sample generator is a multi-way selecting valve, the unidirectional selection of described multi-way selecting valve opens and closes the connection of measuring apparatus, distilled water bottle, waste liquid bottle, sodium oxalate bottle, sulfuric acid bottle and vs storage device.
6, permanganate index online auto monitoring device according to claim 1, it is characterized in that described vs storage device is the container that contains the potassium permanganate titer, is provided with the peristaltic pump measuring apparatus that there is the photoelectrometer buret rear end between described vs storage device and reaction unit.
7, permanganate index online auto monitoring device according to claim 1 is characterized in that described permanganate index online auto monitoring device also is provided with temperature control equipment, and described temperature control equipment is arranged on the reaction unit below; Described temperature control equipment is a thermopair.
8, permanganate index online auto monitoring device according to claim 1, it is characterized in that being provided with in the described peristaltic pump elastic tube in the pump case passage, the elastic tube inboard is the roller of eight shaft step motors, and described programmable logic controller (PLC) is connected on the described multiaxis stepper motor.
9, permanganate index online auto monitoring device according to claim 1 is characterized in that described reaction unit is airtight container, and its upper end communicates with atmosphere by pipeline.
10, permanganate index online auto monitoring device according to claim 1 is characterized in that described permanganate index online auto monitoring device is by data transmission device and tele-control system contact; Described data transmission device comprises telephone network, GSM mobile handset short message net, GPRS or cdma network.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201997629U CN201331497Y (en) | 2008-12-26 | 2008-12-26 | Permanganate index on-line automatic monitor device |
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| CNU2008201997629U CN201331497Y (en) | 2008-12-26 | 2008-12-26 | Permanganate index on-line automatic monitor device |
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| CN101819212A (en) * | 2010-04-15 | 2010-09-01 | 马三剑 | On-line automatic monitoring device for water quality mercury |
| CN103105329A (en) * | 2012-11-06 | 2013-05-15 | 苏州聚阳环保科技有限公司 | Permanganate index digestion method and device in on-line water monitoring |
| CN105319206A (en) * | 2014-06-11 | 2016-02-10 | 肖巍 | Water quality purification detection device and water quality purification detection method |
| CN105738359A (en) * | 2016-04-21 | 2016-07-06 | 南京师范大学 | Online detector for water hardness |
| CN106018671A (en) * | 2016-07-19 | 2016-10-12 | 华测检测认证集团股份有限公司 | Automatic apparatus for measuring permanganate index |
| CN106383109A (en) * | 2016-08-25 | 2017-02-08 | 深圳市绿恩环保技术有限公司 | COD online monitor |
| CN106442487A (en) * | 2016-08-25 | 2017-02-22 | 深圳市绿恩环保技术有限公司 | Online ammonia nitrogen monitor |
| CN107894489A (en) * | 2017-12-27 | 2018-04-10 | 华测检测认证集团股份有限公司 | permanganate index automatic titration system |
| CN108693368A (en) * | 2017-04-12 | 2018-10-23 | 王万勤 | A kind of computational methods of titrimetry sampling device and its sample size |
| CN109060786A (en) * | 2018-08-25 | 2018-12-21 | 成都凯天电子股份有限公司 | Measure the detection method of industrial wastewater sulfuric acid concentration content |
| CN110346509A (en) * | 2019-08-26 | 2019-10-18 | 上海仪电科学仪器股份有限公司 | A kind of online permanganate index monitor of water quality and detection method |
| CN111077096A (en) * | 2019-12-20 | 2020-04-28 | 山东大学 | Utilize equipment of ultraviolet detection technique on-line measuring volatile fatty acid |
| CN111855891A (en) * | 2020-07-27 | 2020-10-30 | 水利部南京水利水文自动化研究所 | Water quality permanganate index online analyzer and detection method thereof |
| CN112697959A (en) * | 2020-12-25 | 2021-04-23 | 北京金醍环境技术有限公司 | High-precision quantitative titration method and device applied to water quality online monitoring equipment |
| CN113740483A (en) * | 2021-08-16 | 2021-12-03 | 杭州谱育科技发展有限公司 | Permanganate index detection device and method for water sample |
| WO2022099800A1 (en) * | 2020-11-11 | 2022-05-19 | 江苏南大五维电子科技有限公司 | Online analyzer for water quality permanganate index |
-
2008
- 2008-12-26 CN CNU2008201997629U patent/CN201331497Y/en not_active Expired - Lifetime
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| CN101819212B (en) * | 2010-04-15 | 2013-04-24 | 马三剑 | On-line automatic monitoring device for water quality mercury |
| CN101819212A (en) * | 2010-04-15 | 2010-09-01 | 马三剑 | On-line automatic monitoring device for water quality mercury |
| CN103105329A (en) * | 2012-11-06 | 2013-05-15 | 苏州聚阳环保科技有限公司 | Permanganate index digestion method and device in on-line water monitoring |
| CN105319206B (en) * | 2014-06-11 | 2023-11-10 | 侯文婷 | Water quality purification detection device and water quality purification detection method |
| CN105319206A (en) * | 2014-06-11 | 2016-02-10 | 肖巍 | Water quality purification detection device and water quality purification detection method |
| CN105738359A (en) * | 2016-04-21 | 2016-07-06 | 南京师范大学 | Online detector for water hardness |
| CN106018671A (en) * | 2016-07-19 | 2016-10-12 | 华测检测认证集团股份有限公司 | Automatic apparatus for measuring permanganate index |
| CN106383109A (en) * | 2016-08-25 | 2017-02-08 | 深圳市绿恩环保技术有限公司 | COD online monitor |
| CN106442487A (en) * | 2016-08-25 | 2017-02-22 | 深圳市绿恩环保技术有限公司 | Online ammonia nitrogen monitor |
| CN108693368A (en) * | 2017-04-12 | 2018-10-23 | 王万勤 | A kind of computational methods of titrimetry sampling device and its sample size |
| CN107894489A (en) * | 2017-12-27 | 2018-04-10 | 华测检测认证集团股份有限公司 | permanganate index automatic titration system |
| CN109060786A (en) * | 2018-08-25 | 2018-12-21 | 成都凯天电子股份有限公司 | Measure the detection method of industrial wastewater sulfuric acid concentration content |
| CN109060786B (en) * | 2018-08-25 | 2023-12-05 | 成都凯天电子股份有限公司 | Detection method for measuring sulfuric acid concentration content of industrial wastewater |
| CN110346509A (en) * | 2019-08-26 | 2019-10-18 | 上海仪电科学仪器股份有限公司 | A kind of online permanganate index monitor of water quality and detection method |
| CN111077096A (en) * | 2019-12-20 | 2020-04-28 | 山东大学 | Utilize equipment of ultraviolet detection technique on-line measuring volatile fatty acid |
| CN111077096B (en) * | 2019-12-20 | 2021-03-12 | 山东大学 | Utilize equipment of ultraviolet detection technique on-line measuring volatile fatty acid |
| CN111855891A (en) * | 2020-07-27 | 2020-10-30 | 水利部南京水利水文自动化研究所 | Water quality permanganate index online analyzer and detection method thereof |
| WO2022099800A1 (en) * | 2020-11-11 | 2022-05-19 | 江苏南大五维电子科技有限公司 | Online analyzer for water quality permanganate index |
| CN112697959A (en) * | 2020-12-25 | 2021-04-23 | 北京金醍环境技术有限公司 | High-precision quantitative titration method and device applied to water quality online monitoring equipment |
| CN113740483A (en) * | 2021-08-16 | 2021-12-03 | 杭州谱育科技发展有限公司 | Permanganate index detection device and method for water sample |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suzhou Kete Environmental Protection Equipment Co.,Ltd. Assignor: Ma Sanjian Contract record no.: 2010320000177 Denomination of utility model: Permanganate index on-line automatic monitor device Granted publication date: 20091021 License type: Exclusive License Record date: 20100308 |
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| ASS | Succession or assignment of patent right |
Owner name: SUZHOU KETE ENVIRONMENTAL PROTECTION EQUIPMENT CO. Free format text: FORMER OWNER: MA SANJIAN Effective date: 20131217 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215011 SUZHOU, JIANGSU PROVINCE TO: 215156 SUZHOU, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20131217 Address after: 215156 Jiangsu city of Suzhou province Wuzhong District Xu Kou Zhen Mao Peng Lu, No. 622 Patentee after: Suzhou Kete Environmental Protection Equipment Co.,Ltd. Address before: 215011 environmental protection technology research institute, Suzhou University of Science and Technology, Binhe Road, 1701, Jiangsu, Suzhou Patentee before: Ma Sanjian |
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| C56 | Change in the name or address of the patentee |
Owner name: SUZHOU KETE ENVIRONMENTAL PROTECTION CO., LTD. Free format text: FORMER NAME: SUZHOU KETE ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 215156 Jiangsu city of Suzhou province Wuzhong District Xu Kou Zhen Mao Peng Lu, No. 622 Patentee after: Suzhou Kete Environmental Protection Co., Ltd. Address before: 215156 Jiangsu city of Suzhou province Wuzhong District Xu Kou Zhen Mao Peng Lu, No. 622 Patentee before: Suzhou Kete Environmental Protection Equipment Co.,Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 215156 No. 517 Mao Mao Road, Wuzhong District, Jiangsu, Suzhou Patentee after: Suzhou Kete Environmental Protection Co., Ltd. Address before: 215156 Jiangsu city of Suzhou province Wuzhong District Xu Kou Zhen Mao Peng Lu, No. 622 Patentee before: Suzhou Kete Environmental Protection Co., Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 215156, No. 517, Mao Mao Road, Xu Town, Suzhou, Jiangsu, Wuzhong District Patentee after: Suzhou Kete Environmental Protection Co., Ltd. Address before: 215156 No. 517 Mao Mao Road, Wuzhong District, Jiangsu, Suzhou Patentee before: Suzhou Kete Environmental Protection Co., Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 215156 Jiangsu city of Suzhou province Wuzhong District Xu Kou Zhen Mao Peng Lu, No. 517 Patentee after: Suzhou Kete Environmental Protection Co., Ltd. Address before: 215156, No. 517, Mao Mao Road, Xu Town, Suzhou, Jiangsu, Wuzhong District Patentee before: Suzhou Kete Environmental Protection Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091021 |