CN201285374Y - Gradually outputting colorimetric process ammonia-nitrogen analyzer - Google Patents
Gradually outputting colorimetric process ammonia-nitrogen analyzer Download PDFInfo
- Publication number
- CN201285374Y CN201285374Y CNU2008201150059U CN200820115005U CN201285374Y CN 201285374 Y CN201285374 Y CN 201285374Y CN U2008201150059 U CNU2008201150059 U CN U2008201150059U CN 200820115005 U CN200820115005 U CN 200820115005U CN 201285374 Y CN201285374 Y CN 201285374Y
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- Prior art keywords
- bottle
- pipeline
- evicting
- analyser
- conduit
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- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title abstract description 21
- 238000000034 method Methods 0.000 title description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 32
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 239000012086 standard solution Substances 0.000 claims description 22
- 230000002572 peristaltic effect Effects 0.000 claims description 19
- 239000012528 membrane Substances 0.000 claims description 18
- 238000004737 colorimetric analysis Methods 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 10
- 239000010842 industrial wastewater Substances 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
逐出比色法氨氮分析仪，其特征在于所述氨氮分析仪包括一逐出瓶和一测量瓶，所述逐出瓶的底部设置待测样品和逐出试剂注入和排空的导管，所述测量瓶的底部设置指示剂注入和排空的导管，逐出瓶的顶部设置一导管与一隔膜泵的软管连接，逐出瓶的侧壁设置有与测量瓶顶部相通的软管，测量瓶的侧壁也设置有与所述隔膜泵相连的软管，所述测量瓶放置在一比色测量模块内。该逐出比色法氨氮分析仪的体积小，操作简单，日常维护量小，运行成本低的逐出比色法氨氮分析仪，测量范围较宽，可以达到0.2－1200mg/L的氨氮含量范围，可快捷准确的测量污水和工业废水中的氨氮含量。
The colorimetric ammonia nitrogen analyzer is characterized in that the ammonia nitrogen analyzer includes a throw-out bottle and a measuring bottle, and the bottom of the throw-out bottle is provided with a conduit for injecting and emptying the sample to be tested and the throw-out reagent, so The bottom of the measuring bottle is provided with a conduit for indicator injection and emptying, and the top of the ejected bottle is provided with a conduit connected to a hose of a diaphragm pump. The side wall of the ejected bottle is provided with a flexible pipe connected to the top of the measuring bottle. The side wall of the bottle is also provided with a hose connected to the diaphragm pump, and the measuring bottle is placed in a colorimetric measuring module. The ejection colorimetric ammonia nitrogen analyzer has small volume, simple operation, less daily maintenance, and low operating cost. The ejection colorimetric ammonia nitrogen analyzer has a wide measurement range and can reach the ammonia nitrogen content range of 0.2-1200mg/L. , can quickly and accurately measure the ammonia nitrogen content in sewage and industrial wastewater.
Description
Technical field
The utility model belongs to the line Measurement Technique and the device field of ammonia-nitrogen content in the water body, be specifically related to that a kind of to have a volume little, simple to operate, the daily servicing amount is little, advantages such as operating cost is low, what be used for municipal wastewater and the on-line measurement of industrial waste water ammonia-nitrogen content evicts the colourimetry nh 3-n analyser from.
Background technology
Detect that nitrogen, ammonia (ammonium) concentration are to detect the important indicator of water qualities such as river, lake, wastewater and sewage in the water body, how to carry out simple to operate and long-term measurement be the best operating type of realizing ammonia nitrogen detection in the water body for measuring method by high precision and accuracy and instrument.There are two kinds of usual ways to be used for the measurement of water body ammonia-nitrogen content at present, a kind of ammonia gas-sensing electrode method that is based on, a kind of photometric measurement that is based on.The ammonia gas-sensing electrode method mainly is that embrane method is measured, and this method causes film to pollute easily, and the average failure-free operation cycle of instrument is shorter, and the water body ammonia nitrogen that can't be used for frequency detects.And photometry is to finish by spectrophotometer, and the detection method of existing equipment and speed are very slow, can't satisfy frequent and the needs of ammonia nitrogen detection cheaply.
The utility model content
The purpose of this utility model is to provide a kind of volume little, simple to operate, the daily servicing amount is little, operating cost is low evicts the colourimetry nh 3-n analyser from, the measurement range broad of this nh 3-n analyser, can reach the ammonia-nitrogen content scope of 0.2-1200mg/L, can quick and accurate measurement sewage and industrial waste water in ammonia-nitrogen content.
The technical solution adopted in the utility model is as follows:
A kind of colourimetry nh 3-n analyser of evicting from, it is characterized in that described nh 3-n analyser comprises that evicting bottle and from measures bottle, described bottom of evicting bottle from is provided with testing sample and evicts the conduit of reagent injection and emptying from, the described bottom of measuring bottle is provided with the conduit of indicator injection and emptying, the top of evicting bottle from is provided with a conduit and is connected with the flexible pipe of a membrane pump, the sidewall of evicting bottle from is provided with and measures the flexible pipe that bottle top communicates, the sidewall of measuring bottle also is provided with the flexible pipe that links to each other with described membrane pump, and described measurement bottle is placed in the colorimetric measurement module.
Concretely, described membrane pump has a gas outlet and air intake opening, the gas outlet of membrane pump is provided with a flexible pipe and is connected with the top of evicting bottle from, the air intake opening of membrane pump passes through another flexible pipe downlink connection with the measurement bottle, also be connected by the 3rd flexible pipe between evicting bottle from and measuring bottle, a branch of the 3rd flexible pipe communicates with atmosphere.
Described nh 3-n analyser also comprises evicts the reagent pipeline from, described reagent pipeline and the air pipe line of evicting from evicted reagent from by one and pinched valve control, the lower end of evicting the reagent pipeline from connects to be provided with evicts reagent bottle from, evict the upper end and the air pipe line of reagent pipeline from and merge into first pipeline through evicting from after reagent is pinched valve, described first pipeline is communicated with the conduit of evicting the bottle bottom from.
Described first pipeline and evict between the conduit of bottle bottom one peristaltic pump is set, the lower end of described air pipe line connect a waste liquid returnable bottle are set.
Described nh 3-n analyser also comprises an indicator pipeline, a described indicator pipeline and an air pipe line are pinched valve control by an indicator, the lower end connection of indicator pipeline is provided with the indicator solution bottle, the upper end of indicator pipeline and air pipe line are merged into second pipeline after pinching valve through indicator, and described second pipeline is communicated with the conduit of measuring the bottle bottom.
Between the conduit of described second pipeline and measurement bottle bottom one peristaltic pump is set, the lower end connection of described air pipe line is provided with a waste liquid returnable bottle.
Described nh 3-n analyser also comprises a standard solution pipeline, a described standard solution pipeline and an air pipe line are pinched valve control by a standard solution, the lower end of standard solution pipeline connects the solution bottle that sets up standard, the upper end of standard solution pipeline and air pipe line are merged into the 3rd pipeline after pinching valve through standard solution, the 3rd pipeline is pinched valve control with a testing sample intake line by a sample again, the 3rd pipeline and testing sample intake line are merged into the 4th pipeline after pinching valve through sample, and described the 4th pipeline is communicated with the conduit of evicting the bottle bottom from.
Is connected between described the 4th pipeline and the conduit of evicting bottle bottom from a peristaltic pump is set, the lower end connection of described air pipe line is provided with a waste liquid returnable bottle.
This is evicted the colourimetry nh 3-n analyser from and adopts evicting bottle from and measuring the bottle design of separating, evict between bottle and measurement bottle by the pipeline intercommunication, and realize that by membrane pump ammonia evicting bottle from and measuring transfer between the bottle, adopt to safeguard that simultaneously simple peristaltic pump carries out the extraction and the emptying of testing sample and all ingredients, and adopt and pinch valve and realize quick switching between water sample to be measured and standard solution, all ingredients, the sewer pipe/air.Above-mentioned each pipeline can use a peristaltic pump with hyperchannel control jointly, dwindle the volume of analyser, make the apparatus structure compactness simultaneously, volume is little, maintain easily and maintenance little, this analyser nationality is realized function such as cleaning, automatic calibration automatically by each pipeline, and these characteristics make this nh 3-n analyser be very suitable for the on-line monitoring of ammonia-nitrogen content in sewage and the industrial waste water.
The air pipe line in parallel with evicting the reagent pipeline from is normally open, and evict the reagent pipeline from is normally off, air pipe line in parallel with indicator pipeline and standard solution pipeline difference simultaneously also is a normally open, and indicator pipeline and standard solution pipeline also are normally off.
The beneficial effects of the utility model are, this volume of evicting the colourimetry nh 3-n analyser from is little, simple to operate, the daily servicing amount is little, operating cost is low evicts the colourimetry nh 3-n analyser from, the measurement range broad can reach the ammonia-nitrogen content scope of 0.2-1200mg/L, can quick and accurate measurement sewage and industrial waste water in ammonia-nitrogen content.
Description of drawings
Fig. 1 is the structure distribution synoptic diagram of the utility model embodiment.
Embodiment
As shown in Figure 1, this evict from the colourimetry nh 3-n analyser mainly by membrane pump 13, evict bottle 2 from, measure bottle 3, colorimetric module 4, wriggling bottle 1, a plurality ofly pinch valve and be connected transfer pipeline and form.The bottom of evicting bottle 2 from is provided with testing sample and the conduit of evicting reagent injection and emptying from, the bottom of measuring bottle 3 is provided with the conduit of indicator injection and emptying, the top of evicting bottle 2 from is provided with a conduit and is connected with the flexible pipe of membrane pump 13, the sidewall of evicting bottle 2 from is provided with and measures the flexible pipe that bottle 3 tops communicate, the sidewall of measuring bottle 3 also is provided with the flexible pipe that links to each other with membrane pump 13, measures bottle 3 and is placed in the colorimetric measurement module 4.Membrane pump 13 has gas outlet and air intake opening, the gas outlet of membrane pump is provided with a flexible pipe and is connected with the top of evicting bottle from, the air intake opening of membrane pump with measure bottle by another flexible pipe downlink connection, also be connected between evicting bottle from and measuring bottle by the 3rd flexible pipe, a branch of the 3rd flexible pipe communicates with atmosphere.
Each connects in the transfer pipeline, evicting a reagent pipeline 6a and an air pipe line 6b from evicts reagent from by one and pinches valve 6 control, the lower end of evicting reagent pipeline 6a from connects to be provided with evicts reagent bottle 11 from, the upper end and the air pipe line 6b that evict reagent pipeline 6a from merge into the first pipeline 6c through evicting from after reagent is pinched valve 6, and the first pipeline 6c is communicated with the conduit of evicting the bottle bottom from.The first pipeline 6c and evict between the conduit of bottle bottom peristaltic pump 1 is set, the lower end of air pipe line 6b connects waste liquid returnable bottle 9 is set.An indicator pipeline 7a and an air pipe line 7b pinch valve 7 controls by indicator, the lower end connection of indicator pipeline 7a is provided with indicator solution bottle 12, the upper end of indicator pipeline 7a and air pipe line 7b merge into the second pipeline 7c after pinching valve 7 through indicator, and the second pipeline 7c is communicated with the conduit of measuring the bottle bottom.Between the conduit of second pipeline and measurement bottle bottom peristaltic pump 1 is set, the lower end of air pipe line 7b connects waste liquid returnable bottle 9.A standard solution pipeline 8a and an air pipe line 8b pinch valve 8 controls by a standard solution, the lower end of standard solution pipeline 8a connects the solution bottle 10 that sets up standard, the upper end of standard solution pipeline 8a and air pipe line 8b merge into the 3rd pipeline 8c after pinching valve 8 through standard solution, the 3rd pipeline 8c pinches valve 5 controls with a testing sample intake line 5a by a sample again, the 3rd pipeline 8c and testing sample intake line 5a merge into the 4th pipeline 5b after pinching valve 5 through sample, and the 4th pipeline 5b is communicated with the conduit of evicting the bottle bottom from.Be connected between the conduit of the 4th pipeline bottom evicting bottle from and peristaltic pump 1 be set, the lower end connection waste liquid returnable bottle 9 of air pipe line 8b.
When evicting the colourimetry nh 3-n analyser from when beginning to measure, valve 5 pinched by sample and indicator is pinched valve 7 actions, peristaltic pump 1 pumps into testing sample and cleans and to evict bottle 2 from, pumps into indicator solution simultaneously and cleans and measure bottle 3, cleans the back peristaltic pump 1 that finishes testing sample and indicator solution are emptied to sewer pipe 9.In second step, peristaltic pump 1 pumps into testing sample again evicts bottle 2 from, indicator solution is pumped into measure bottle 3 simultaneously; Evict reagent then from and pinch valve 6 action, peristaltic pump 1 will be evicted reagent from and be pumped into and evict from the bottle 2.In the 3rd step, peristaltic pump 1 pumps into air, reagent remaining in each pipeline is removed clean, and the injection of air simultaneously will make testing sample and evict solution from and fully mix, and evict reagent from the ammonia nitrogen in the water sample is converted into ammonia.Membrane pump 13 moves, and by evicting the pipeline loop between bottle 2 and the measurement bottle 3 from, the ammonia of evicting from the bottle 2 is transferred in the measurement bottle 3.Ammonia reacts with indicator solution in measuring bottle 3, makes indicator change color, and colorimetric module 4 calculates the concentration of ammonia nitrogen in the testing sample by the colorimetric measurement to indicator solution.After measurement was finished, each was pinched valve and switches to the sewer pipe passage, and peristaltic pump 1 action is emptied to the reagent of evicting bottle 2 from and measure in the bottle 3 in the waste liquid returnable bottle 9.
In addition, pinch the control of valve 6 by evicting reagent from, peristaltic pump 1 can extract evicts liquid (alkaline solution) to evicting bottle 2 from, and keeps certain hour, cleans automatically evicting bottle 2 from, avoids the influence of pollutant to measuring.Pinch the control that valve 5 and standard solution are pinched valve 8 by sample, peristaltic pump 1 can replace testing sample to measure by draw standard solution, and instrument is calibrated automatically, the data accuracy when improving the long-time on-line measurement of instrument.
Claims (8)
1. evict the colourimetry nh 3-n analyser from for one kind, it is characterized in that described nh 3-n analyser comprises that evicting bottle and from measures bottle, described bottom of evicting bottle from is provided with testing sample and evicts the conduit of reagent injection and emptying from, the described bottom of measuring bottle is provided with the conduit of indicator injection and emptying, the top of evicting bottle from is provided with a conduit and is connected with the flexible pipe of a membrane pump, the sidewall of evicting bottle from is provided with and measures the flexible pipe that bottle top communicates, the sidewall of measuring bottle also is provided with the flexible pipe that links to each other with described membrane pump, and described measurement bottle is placed in the colorimetric measurement module.
2. the colourimetry nh 3-n analyser of evicting from according to claim 1, it is characterized in that described membrane pump has a gas outlet and air intake opening, the gas outlet of membrane pump is provided with a flexible pipe and is connected with the top of evicting bottle from, the air intake opening of membrane pump passes through another flexible pipe downlink connection with the measurement bottle, also be connected by the 3rd flexible pipe between evicting bottle from and measuring bottle, a branch of the 3rd flexible pipe communicates with atmosphere.
3. the colourimetry nh 3-n analyser of evicting from according to claim 1, it is characterized in that described nh 3-n analyser also comprises evicts the reagent pipeline from, described reagent pipeline and the air pipe line of evicting from evicted reagent from by one and pinched valve control, the lower end of evicting the reagent pipeline from connects to be provided with evicts reagent bottle from, evict the upper end and the air pipe line of reagent pipeline from and merge into first pipeline through evicting from after reagent is pinched valve, described first pipeline is communicated with the conduit of evicting the bottle bottom from.
4. the colourimetry nh 3-n analyser of evicting from according to claim 3 is characterized in that described first pipeline and evicts between bottle conduit of bottom one peristaltic pump is set, and the lower end connection of described air pipe line is provided with a waste liquid returnable bottle.
5. the colourimetry nh 3-n analyser of evicting from according to claim 1, it is characterized in that described nh 3-n analyser also comprises an indicator pipeline, a described indicator pipeline and an air pipe line are pinched valve control by an indicator, the lower end connection of indicator pipeline is provided with the indicator solution bottle, the upper end of indicator pipeline and air pipe line are merged into second pipeline after pinching valve through indicator, and described second pipeline is communicated with the conduit of measuring the bottle bottom.
6. the colourimetry nh 3-n analyser of evicting from according to claim 5 is characterized in that described second pipeline and measures between bottle conduit of bottom one peristaltic pump is set, and the lower end connection of described air pipe line is provided with a waste liquid returnable bottle.
7. the colourimetry nh 3-n analyser of evicting from according to claim 1, it is characterized in that described nh 3-n analyser also comprises a standard solution pipeline, a described standard solution pipeline and an air pipe line are pinched valve control by a standard solution, the lower end of standard solution pipeline connects the solution bottle that sets up standard, the upper end of standard solution pipeline and air pipe line are merged into the 3rd pipeline after pinching valve through standard solution, the 3rd pipeline is pinched valve control with a testing sample intake line by a sample again, the 3rd pipeline and testing sample intake line are merged into the 4th pipeline after pinching valve through sample, and described the 4th pipeline is communicated with the conduit of evicting the bottle bottom from.
8. the colourimetry nh 3-n analyser of evicting from according to claim 7 is characterized in that described the 4th pipeline and evicts to be connected between bottle conduit of bottom a peristaltic pump is set, and the lower end connection of described air pipe line is provided with a waste liquid returnable bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201150059U CN201285374Y (en) | 2008-05-12 | 2008-05-12 | Gradually outputting colorimetric process ammonia-nitrogen analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201150059U CN201285374Y (en) | 2008-05-12 | 2008-05-12 | Gradually outputting colorimetric process ammonia-nitrogen analyzer |
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| Publication Number | Publication Date |
|---|---|
| CN201285374Y true CN201285374Y (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201150059U Expired - Fee Related CN201285374Y (en) | 2008-05-12 | 2008-05-12 | Gradually outputting colorimetric process ammonia-nitrogen analyzer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374989A (en) * | 2010-08-20 | 2012-03-14 | 北京吉天仪器有限公司 | Automatic analyzer for determining ammonia nitrogen in water and automatic analytic method thereof |
| CN108254318A (en) * | 2017-12-29 | 2018-07-06 | 江苏汇环环保科技有限公司 | A kind of anti-interference NH3-N online automatic monitors |
| CN108982793A (en) * | 2018-07-10 | 2018-12-11 | 连云港取道石英制品有限公司 | Ammonia nitrogen on-line detector quartz evicts bottle from |
| CN110823883A (en) * | 2019-12-05 | 2020-02-21 | 北京边华电化学分析仪器有限公司 | Automatic Colorimetric Analyzer |
-
2008
- 2008-05-12 CN CNU2008201150059U patent/CN201285374Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374989A (en) * | 2010-08-20 | 2012-03-14 | 北京吉天仪器有限公司 | Automatic analyzer for determining ammonia nitrogen in water and automatic analytic method thereof |
| CN108254318A (en) * | 2017-12-29 | 2018-07-06 | 江苏汇环环保科技有限公司 | A kind of anti-interference NH3-N online automatic monitors |
| CN108982793A (en) * | 2018-07-10 | 2018-12-11 | 连云港取道石英制品有限公司 | Ammonia nitrogen on-line detector quartz evicts bottle from |
| CN110823883A (en) * | 2019-12-05 | 2020-02-21 | 北京边华电化学分析仪器有限公司 | Automatic Colorimetric Analyzer |
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