CN201364337Y - Automatic water sample analyzer - Google Patents
Automatic water sample analyzer Download PDFInfo
- Publication number
- CN201364337Y CN201364337Y CNU2009200377074U CN200920037707U CN201364337Y CN 201364337 Y CN201364337 Y CN 201364337Y CN U2009200377074 U CNU2009200377074 U CN U2009200377074U CN 200920037707 U CN200920037707 U CN 200920037707U CN 201364337 Y CN201364337 Y CN 201364337Y
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- distillation
- opening
- valve
- tester
- water sample
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Abstract
The utility model relates to an automatic water sample analyzer, which belongs to the technical field. The analyzer comprises a liquid-flow driving device, a meter, a selector valve, a tester, a distiller, and a control device which are mounted in a case, wherein the selector valve comprises a first opening and a plurality of second openings connected with the first opening; the opening at one end of the meter is communicated with the first opening, and the opening at the other end is communicated with the liquid-flow driving device; the second opening (1) is communicated with the tester; the distiller comprises at least two distillation pools which are communicated in series with each other; the inlet of one of the distillation pool is communicated with the second opening (2); the outlet of the other distillation pool is communicated with the tester; and the inlets and the outlets of the adjacent distillation pools are communicated with each other. The automatic water sample analyzer can completely eradicate interfering materials from overflowing in the tester during the distillation process, thereby improving the precision for testing the water samples.
Description
Technical field
The utility model relates to a kind of instrument that water sample is analyzed automatically, belongs to water sample analysis instrument technical field.
Background technology
At present, adopt online automatic monitor to carry out more and more to water sample test, the kind of automonitor contains various existing GB prescriptive procedures (as " the mensuration nessler reagent colourimetry of GB7479-87 water quality ammonium " and " mensuration of GB7478-87 water quality ammonium is distilled and titrimetry " etc.).
Existing automonitor all needs the water sample of analyzing is carried out pre-service when measuring water sample by existing GB prescriptive procedure, and common pre-service is distillation.But understand according to the applicant, for the automonitor of miniaturization, the long-pending restriction of its distilling apparatus factor receptor, when water sample distills, because of violent boiling, often interfering material is taken and is brought into out of measurement mechanism by the drop that splashes easily, thereby disturb accurate mensuration water sample.
The utility model content
The technical problems to be solved in the utility model is, proposes a kind of water sample automatic analyzer of effusion interfering material can stop to distill the time, thereby improves the water determination precision.
The technical solution of the utility model is: a kind of water sample automatic analyzer, comprise liquid stream drive unit, meter, selection valve, tester, distilling apparatus that is loaded in the cabinet and the control device that forms control linkage respectively with liquid stream drive unit, meter, selection valve, tester, distilling apparatus, described selection valve contain one first opening and a plurality of can be respectively and second opening of the first opening conducting; One end opening of described meter is connected with first opening, and its other end opening is communicated with liquid stream drive unit; One of described second opening is connected with tester; Improvement is: described distilling apparatus contains at least two distillation ponds that are one another in series and connect, wherein the import in first distillation pond is connected with two of second opening, the outlet in last distillation pond is connected with tester, and the import and the outlet in adjacent distillation pond are connected with each other logical.
During use, water sample after liquid stream drive unit will measure is sent into first distillation pond of distilling apparatus, water sample is distilled the gas that the back produces determinand in first distillation pond, and the drop that a small amount of bumping that mixes in this gas splashes forms gas-liquid mixture and enters next distillation pond; Because the gas-liquid mixture amount that distills out through first distillation pond is very little, therefore the gas-liquid mixture that distills out is dropwise to enter next distillation pond.Like this, when gas-liquid mixture is distilled once more, just can not produce the bumping splash droplet, thereby generation does not contain the determinand gas of interfering material and enters in the tester in next one distillation pond.
Water sample automatic analyzer of the present utility model is compared existing various automonitors, and the architecture advances by distilling apparatus forms multistage distillation, thereby the effusion interfering material is in tester when thoroughly stopping to distill, and then should improve the precision to water determination.
The perfect of technique scheme is: described meter is mainly by being fixed on first support on the cabinet internal partition, being threaded onto the gauge line of first support and being loaded on first support and the first photoelectrometer measuring device of the gauge line both sides that recline constitutes, and described tester is mainly by being fixed on second support on the cabinet internal partition, being threaded onto the reaction tube on second support and being loaded on second support and the second photoelectrometer measuring device of the reaction tube both sides that recline constituting; Described distillation pond mainly by be fixed on the 3rd support on the cabinet internal partition, the distillation cascade that is loaded on the 3rd support constitutes, wherein the import of first distillation cascade is connected with two of second opening of selecting valve, the outlet of last distillation cascade is connected with tester, and the import of adjacent distillation cascade and outlet are connected with each other logical; The outer wall of described distillation cascade is provided with heating member.
Further improving of technique scheme is: the import and export of described reaction tube is provided with first T-valve, and one of described second opening is connected with reaction tube by a port of first T-valve; The outlet of described last distillation cascade is connected with reaction tube by another port of first T-valve, is connected to the spiral fashion condenser pipe between this outlet and this another port.
Further improving of technique scheme is: described distillation pond and distillation cascade all are two, are respectively first distillation pond, after-fractionating pond and first distillation cascade and the after-fractionating pipes; The outlet of described first distillation cascade is connected with the import of after-fractionating pipe, and described last distillation cascade is the after-fractionating pipe.
Further improving again of technique scheme is: also comprise titrator, described titrator mainly is made of the syringe pump and the syringe that are fixed on the cabinet internal partition, and the import and export of described syringe is provided with second T-valve; Port of described second T-valve is connected with reaction tube, and its another port is connected with titrant.
Description of drawings
Be described further of the present utility model below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the water sample automatic analyzer among the utility model embodiment.
Embodiment
Embodiment
Present embodiment is a preferred embodiment of the present utility model, is by distillation of the mensuration of National Standard GB7478-87 water quality ammonium and titrimetry " be used for measuring the water sample automatic analyzer of the ammonia nitrogen value of water sample.This water sample automatic analyzer as shown in Figure 1, comprise be loaded on the cabinet internal partition 1 liquid stream drive unit, meter, selection valve 8, tester, distilling apparatus and form the control device of control linkage respectively with liquid stream drive unit, meter, selection valve, tester, distilling apparatus, also comprise titrator.Liquid stream drive unit adopts peristaltic pump 2.Meter is mainly by being fixed on first support 3 on the dividing plate 1, being threaded onto the gauge line 4 of first support 3 and being loaded on first support 3 and the first photoelectrometer measuring device of gauge line 4 both sides that recline constitutes, the first photoelectrometer measuring device has two, is provided in a side of the low level photoelectrometer measuring device 6 and the high-order photoelectrometer measuring device 7 of gauge line 4 low levels respectively.Tester is mainly by being fixed on second support 9 on the dividing plate 1, being threaded onto the reaction tube 10 on second support 9 and being loaded on second support 9 and the second photoelectrometer measuring device 11 of reaction tube 10 both sides that recline constituting.Distilling apparatus contains two first distillation pond 5-1 and after-fractionating pond 5--2 that are one another in series and connect, first distillation pond 5-1 and the after-fractionating pond 5-2 mainly by be fixed on two the 3rd identical supports 13 on the dividing plate 1, first distillation cascade 14 and the after-fractionating pipe 17 that is threaded onto on two the 3rd supports 13 respectively constitutes, the outlet of first distillation cascade 14 is connected with the import of after-fractionating pipe 17.Titrator mainly is made of the syringe pump 21 and the syringe 22 that are fixed on the cabinet internal partition 1.Import and export at reaction tube 10 is provided with first T-valve 19, is provided with second T-valve 20 at the import and export of syringe 22.
As shown in Figure 1, selecting valve 8 to contain one first opening a and eight can be respectively and the second opening b, c, d, e, f, g, h, the k of the first opening conducting, selects the concrete structure of valve 8 can be referring to applicant's instructions 5-6 page or leaf of application publication number CN201141864 Chinese patent " automatic chemical analyzer " formerly.One end opening of gauge line 4 is connected with the first opening a that selects valve 8, and the other end opening of gauge line 4 is communicated with peristaltic pump 2.One of second opening of selection valve 8 h is connected with the reaction tube 10 of tester by a port of first T-valve 19, select two f of second opening of valve 8 to be connected with the import of first distillation cascade 14, the outlet of after-fractionating pipe 17 is connected with the reaction tube 10 of tester by another port of first T-valve 19, is connected to spiral fashion condenser pipe 23 between another port that is exported to first T-valve 19 of after-fractionating pipe 17.The outer wall separately of first distillation cascade 14 and after-fractionating pipe 17 all is arranged with heater strip.
The concrete operating position of present embodiment water sample automatic analyzer is as follows:
1) before the use, as shown in Figure 1, other second openings b, c, d, e, g, k that will select valve 8 earlier respectively with specimen fluids 1, specimen fluids 2 25, water sample to be measured 26, waste liquid bottle 27, evict agent 28, indication from and absorb intermixture 29 and be connected, a port with second T-valve 20 is connected with reaction tube 10 again, and its another port is connected with titrant 30.
When 2) using, as shown in Figure 1, when begin a measuring period, select the second opening k of valve 8 to open, and the 2 positive handles indications of control peristaltic pump and absorption intermixture 29 are drawn into gauge line 4 by control device control.When low level photoelectrometer measuring device 6 signals of gauge line 4 both sides change (subsequent process all signal controlling) thus, stop peristaltic pump 2 by control device, control is selected valve 8 to select one of second opening h to open and is communicated with reaction tube 10 (to select the working mechanism of valve 8 can be referring to the Instructions Page 6-7 of above-mentioned publication number CN201141864 Chinese patent again, do not repeat them here), control first T-valve 19 and place the AC position this moment, and 2 counter-rotatings of control peristaltic pump are pushed into indication that is drawn into gauge line 4 and absorption intermixture in the reaction tube 10; Control syringe pump 21 injector-actuated 22 simultaneously the titrant in the titrant bottle 30 is aspirated in syringe 22, control second T-valve 20 and place the EF position.Control selects valve 8 to select the second opening b, c or d then, and control peristaltic pump 2 is just changeing again selecting sample (specimen fluids one, specimen fluids two or water sample to be measured) to be drawn in the gauge line 4.Select valve 8 to select two f of second opening to open by control device control then and be communicated with first distillation cascade 14, simultaneously, control first T-valve 19 and place the BC position, 2 counter-rotatings of control peristaltic pump are pushed into gauge line 4 interior selection samples in first distillation cascade 14.Then select valve 8 to select the second opening g to open by control device control, the agent of evicting from that control peristaltic pump 2 positive handles are evicted from the agent bottle 28 sucks gauge line 4.Select valve 8 to select two f of second opening to open again by control device control subsequently, 2 counter-rotatings of control peristaltic pump are pushed in first distillation cascade 14 evicting agent from.Control first distillation cascade 14 and after-fractionating pipe 17 by control device and begin heating simultaneously, heating is controlled peristaltic pump 2 simultaneously and is not stopped counter-rotating, and air via gauge line 4 with select two f of second opening on the valve 8, is blown in first distillation cascade 14; At this moment, distillation is evicted from first distillation cascade 14 ammonia and water vapour are blown in the after-fractionating pipe 17 under the effect of peristaltic pump 2 air-blowing, and in after-fractionating pipe 17 again distillation and through condenser pipe 23 cooling after enter into reaction tube 10 by T-valve 6, be dissolved in the indication in the reaction tube 10 then again and absorb in the intermixture.Behind the distillation certain hour, control first distillation cascade 14 and after-fractionating pipe 17 by control device and stop heating simultaneously, control first T-valve 19 and place the DF position, control syringe pump 21 again and titrant is pushed into carries out titration in the reaction tube 10.During titration, still keep not stopping counter-rotating, air is delivered in the reaction tube 10 via two f, first distillation cascade 14, after-fractionating pipe 17, condenser pipe 23 and first T-valve 19 of gauge line 4, selection valve 8 second openings by control device control peristaltic pump 2.Potpourri in the reaction tube 10 is blasting rapid reaction under the air effect, when the second photoelectrometer measuring device 11 that is positioned at reaction tube 10 both sides is sensed the variation of signal, stops titration, and the addition by titrant converses the ammonia nitrogen value then.After titration finishes, select one of second opening h and the second opening e of valve 8 to open in proper order by control device, reaction tube 10 interior liquid are drained by peristaltic pump 2; Select two f and the second opening e of second opening of valve 8 to open in proper order again, liquid in first distillation cascade 14 is drained, wait for next measuring period by peristaltic pump 2.
The foregoing description that is not limited to of the present utility model can also be used for other substance-measurings except being used for water sample ammonia nitrogen pH-value determination pH, concrete structure can change to some extent.Such as: 1) liquid stream drive unit also can adopt syringe pump and syringe or other liquid stream drive unit to replace peristaltic pump; 2) meter, selection valve, tester, distillation pond and titrator also can adopt the replacement of existing other types structure; 3) T-valve also can omit or be replaced by four-way valve, multiport valve; 4) three or more also can be adopted in the distillation pond of distilling apparatus, when a plurality of distillations pond, wherein the import in first distillation pond is connected with two of second opening of selecting valve, and the outlet in last distillation pond is connected with tester, and the import and the outlet in adjacent distillation pond are connected with each other logical; 5) second number of openings also can be more than eight; 6) heater strip of distillation cascade outer wall also can be replaced by heating tube, heating plate or other heating members; 7) dividing plate 1 can save; 8) scheme of the foregoing description also can otherwise combined; Or the like.All employings are equal to or the technical scheme that forms is replaced in equivalence, all drop on the protection domain of the utility model requirement.
Claims (5)
1. water sample automatic analyzer, comprise liquid stream drive unit, meter, selection valve, tester, distilling apparatus that is loaded in the cabinet and the control device that forms control linkage respectively with liquid stream drive unit, meter, selection valve, tester, distilling apparatus, described selection valve contain one first opening and a plurality of can be respectively and second opening of the first opening conducting; One end opening of described meter is connected with first opening, and its other end opening is communicated with liquid stream drive unit; One of described second opening is connected with tester; It is characterized in that: described distilling apparatus contains at least two distillation ponds that are one another in series and connect, wherein the import in first distillation pond is connected with two of second opening, the outlet in last distillation pond is connected with tester, and the import and the outlet in adjacent distillation pond are connected with each other logical.
2. according to the described water sample automatic analyzer of claim 1, it is characterized in that: described meter is mainly by being fixed on first support on the cabinet internal partition, being threaded onto the gauge line of first support and being loaded on first support and the first photoelectrometer measuring device of the gauge line both sides that recline constitutes, and described tester is mainly by being fixed on second support on the cabinet internal partition, being threaded onto the reaction tube on second support and being loaded on second support and the second photoelectrometer measuring device of the reaction tube both sides that recline constituting; Described distillation pond mainly by be fixed on the 3rd support on the cabinet internal partition, the distillation cascade that is loaded on the 3rd support constitutes, wherein the import of first distillation cascade is connected with two of second opening of selecting valve, the outlet of last distillation cascade is connected with tester, and the import of adjacent distillation cascade and outlet are connected with each other logical; The outer wall of described distillation cascade is provided with heating member.
3. according to the described water sample automatic analyzer of claim 2, it is characterized in that: the import and export of described reaction tube is provided with first T-valve, and one of described second opening is connected with reaction tube by a port of first T-valve; The outlet of described last distillation cascade is connected with reaction tube by another port of first T-valve, is connected to the spiral fashion condenser pipe between this outlet and this another port.
4. according to the described water sample automatic analyzer of claim 3, it is characterized in that: described distillation pond and distillation cascade all are two, are respectively first distillation pond, after-fractionating pond and first distillation cascade and the after-fractionating pipes; The outlet of described first distillation cascade is connected with the import of after-fractionating pipe, and described last distillation cascade is the after-fractionating pipe.
5. according to the described water sample automatic analyzer of claim 4, it is characterized in that: also comprise titrator, described titrator mainly is made of the syringe pump and the syringe that are fixed on the cabinet internal partition, and the import and export of described syringe is provided with second T-valve; Port of described second T-valve is connected with reaction tube, and its another port is connected with titrant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200377074U CN201364337Y (en) | 2009-01-20 | 2009-01-20 | Automatic water sample analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200377074U CN201364337Y (en) | 2009-01-20 | 2009-01-20 | Automatic water sample analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201364337Y true CN201364337Y (en) | 2009-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200377074U Expired - Lifetime CN201364337Y (en) | 2009-01-20 | 2009-01-20 | Automatic water sample analyzer |
Country Status (1)
| Country | Link |
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| CN (1) | CN201364337Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825642A (en) * | 2010-05-19 | 2010-09-08 | 郭永亮 | Metering device of automatic analysis meter |
| CN107515272A (en) * | 2017-08-30 | 2017-12-26 | 浙江工业大学 | A kind of ammonia nitrogen on-line computing model based on distillation titration |
-
2009
- 2009-01-20 CN CNU2009200377074U patent/CN201364337Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825642A (en) * | 2010-05-19 | 2010-09-08 | 郭永亮 | Metering device of automatic analysis meter |
| CN101825642B (en) * | 2010-05-19 | 2013-04-03 | 郭永亮 | Metering device of automatic analysis meter |
| CN107515272A (en) * | 2017-08-30 | 2017-12-26 | 浙江工业大学 | A kind of ammonia nitrogen on-line computing model based on distillation titration |
| CN107515272B (en) * | 2017-08-30 | 2024-01-16 | 浙江工业大学 | Ammonia nitrogen on-line monitoring appearance based on distillation-titration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONGLV ENVIRONMENTAL PROTECTION TECHNOLOGY CO., L Free format text: FORMER OWNER: GUO YONGLIANG Effective date: 20120119 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 211100 NANJING, JIANGSU PROVINCE TO: 030032 TAIYUAN, SHAANXI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120119 Address after: 030032 Shanxi environmental protection science and Technology Park, south of North Central Street, Taiyuan hi tech Zone, Shanxi Patentee after: Sinogreen Environmental Protection Science & Technology Co., Ltd. Address before: Jiangning District of Nanjing city in Jiangsu province 211100 100 Lake Garden in Paris city 7-602 Patentee before: Guo Yongliang |
|
| CX01 | Expiry of patent term |
Granted publication date: 20091216 |
|
| CX01 | Expiry of patent term |