CN212872200U - Total phosphorus quantitative determination device - Google Patents
Total phosphorus quantitative determination device Download PDFInfo
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- CN212872200U CN212872200U CN202021824365.3U CN202021824365U CN212872200U CN 212872200 U CN212872200 U CN 212872200U CN 202021824365 U CN202021824365 U CN 202021824365U CN 212872200 U CN212872200 U CN 212872200U
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- Prior art keywords
- communicating pipe
- flow cell
- room
- install
- detection
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- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 20
- 239000011574 phosphorus Substances 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 230000029087 digestion Effects 0.000 claims abstract description 17
- 239000000376 reactant Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 8
- 230000002378 acidificating Effects 0.000 claims description 5
- 230000002572 peristaltic Effects 0.000 claims description 5
- 230000000844 anti-bacterial Effects 0.000 claims description 2
- 239000012085 test solution Substances 0.000 abstract description 17
- 239000000243 solution Substances 0.000 abstract description 13
- 230000003287 optical Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000001954 sterilising Effects 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- QGAVSDVURUSLQK-UHFFFAOYSA-N Ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000192710 Microcystis aeruginosa Species 0.000 description 1
- 239000011609 ammonium molybdate Substances 0.000 description 1
- 229940010552 ammonium molybdate Drugs 0.000 description 1
- 235000018660 ammonium molybdate Nutrition 0.000 description 1
- 238000004164 analytical calibration Methods 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000002070 germicidal Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model relates to a total phosphorus quantitative determination device, including clearing up room, surge chamber and detection room, wherein: be equipped with the flow cell in the detection room, flow cell lower extreme connector has communicating pipe one, install the micro-metering pump on communicating pipe one, flow cell upper end connector has communicating pipe two, install the check valve on communicating pipe two, flow cell is connected with the surge chamber through communicating pipe one and communicating pipe two, the light source is installed to the wall on the detection room, the light source below is equipped with the monochromator of installing in flow cell one side, the monochromator left side is equipped with the detector of installing at the flow cell opposite side, detector electric connection has the display screen. The utility model discloses simple structure, convenient operation adopts the syringe to pour into digestion liquid and reactant into in proper order, readjusts solution pH value, makes the reaction more abundant, and the test solution after the preliminary treatment is applicable to subsequent optical detection more, utilizes the pond isotructure that flows, need not independent sample, can directly detect the test solution, has improved the accuracy of testing data.
Description
Technical Field
The utility model relates to a microelement detects technical field, especially relates to a total phosphorus quantitative determination device.
Background
The total phosphorus refers to the total content of phosphorus elements in the water body and is one of indexes of the water body rich in organic matters, and excessive phosphorus can cause overgrowth of algae plants and water body eutrophication to cause water bloom or red tide, so that the balance of the water body is disturbed. The existing method for measuring the total phosphorus in water mainly adopts an ammonium molybdate spectrophotometry, is suitable for measuring surface water, domestic sewage and industrial wastewater, has larger influence on the measurement of phosphorus element by other trace elements in the measuring process, and has the defect of lacking accuracy in the measuring result. Meanwhile, the existing total phosphorus quantitative detection device is often too long in reaction time and slow in reaction rate, and a detection result cannot be obtained quickly due to the fact that independent sampling is needed.
SUMMERY OF THE UTILITY MODEL
For solving the problem that provides in the above-mentioned background art, the utility model aims to provide a total phosphorus quantitative determination device, through clearing up and the preliminary treatment to the water sample that awaits measuring, can effectively get rid of other microelement in the aquatic, avoid it to cause the influence to the measuring of phosphorus element, solved the not high problem of the current detection device degree of accuracy. Meanwhile, the heater, the temperature sensor and other structures are added into the detection device, the reaction rate can be obviously improved, the structure such as the flow cell is utilized, independent sampling detection on the test solution is not needed, the detection result can be rapidly obtained, and the working efficiency is improved.
The utility model discloses a realize through following technical scheme:
the utility model provides a total phosphorus quantitative determination device, its structure includes digestion room, buffer chamber and detection room, wherein: it is equipped with the feed inlet to clear up the room side, clear up the room and pass and extend to the syringe of clearing up the room through embracing a fixedly connected with, clear up the room below and install the heater, the reaction tank is installed to the heater top, install the filter membrane in the reaction tank, it still installs temperature sensor one and bactericidal lamp to clear up the room upper wall, the reaction tank is connected with the transmission pipeline of establishing in the filter membrane below, install the peristaltic pump on the transmission pipeline, transmission pipeline is connected with the surge chamber, temperature sensor two is installed to the surge chamber upper wall, the bottom surface is equipped with the discharge gate under the surge chamber, install the flowing back valve on the discharge gate.
Be equipped with the mobile pond in the detection room, mobile pond lower extreme connector joint has communicating pipe one, install the micro-metering pump on communicating pipe one, mobile pond upper end connector joint has communicating pipe two, install the check valve on communicating pipe two, the mobile pond is connected with the surge chamber through communicating pipe one and communicating pipe two, the light source is installed to the wall on the detection room, the light source below is equipped with the monochromator of installing in mobile pond one side, the monochromator left side is equipped with the detector of installing at the mobile pond opposite side, detector electric connection has the display screen.
As a further aspect of the present invention: the number of the injectors is four, and the solutions stored in the four injectors are respectively a digestion solution, a reactant, an acidic medium and an alkaline medium.
Preferably, the outer wall surface of the heater is attached with an insulating layer.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an injection resolution liquid and reactant are poured into in proper order to the syringe, recycle acid-base mediation solution pH value, through adding heater and temperature sensor in clearing up the indoor, make clear up more abundant, and the test solution after the preliminary treatment is applicable to subsequent optical detection more.
2. The utility model discloses utilize flow cell isotructure, need not independent sample, can directly detect the test solution, improved the accuracy of detected data.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a digestion chamber; 11-a feed inlet; 12-holding the block; 13-a syringe; 14-a heater; 15-a reaction tank; 16-a filter membrane; 17-a first temperature sensor; 18-a germicidal lamp; 2-a transmission pipeline; 3-a peristaltic pump; 4-a buffer chamber; 41-temperature sensor two; 42-a discharge hole; 43-a drain valve; 5-a detection chamber; 51-communicating pipe one; 52-micro metering pump; 53-flow cell; 54-communicating pipe two; 55-a one-way valve; 56-a light source; 57-monochromator; 58-a detector; 59-display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides a total phosphorus quantitative determination apparatus, comprising a digestion chamber 1, a buffer chamber 4 and a detection chamber 5, wherein: a feed inlet 11 is arranged on the side surface of the digestion chamber 1, the digestion chamber 1 is fixedly connected with four injectors 13 which penetrate through and extend into the digestion chamber 1 through holding blocks 12, the solutions stored in the four injectors 13 are respectively a digestion solution, a reactant, an acidic medium and an alkaline medium, the digestion solution can digest a test solution, the reactant can convert phosphorus-containing compounds in the test solution into salt, the acidic medium and the alkaline medium can adjust the pH value of the solution, a heater 14 is arranged below the digestion chamber 1, an isolation layer is attached to the outer wall surface of the heater 14 and used for isolating gas and water, a reaction tank 15 is arranged above the heater 14, a filter membrane 16 is arranged in the reaction tank 15, a temperature sensor I17 and a sterilizing lamp 18 are further arranged on the upper wall surface of the digestion chamber 1, the reaction tank 15 is connected with a transmission pipeline 2 arranged below the filter membrane 16, a peristaltic pump 3 is arranged on the transmission pipeline 2, the transmission pipeline 2, the upper wall surface of the buffer chamber 4 is provided with a second temperature sensor 41, the lower bottom surface of the buffer chamber 4 is provided with a discharge hole 42, and the discharge hole 42 is provided with a liquid discharge valve 43.
The detection chamber 5 is provided with a flow cell 53, the flow cell 53 is used for dynamically monitoring a test solution, the lower end of the flow cell 53 is connected with a first communicating pipe 51 through a connector, a micro-metering pump 52 is installed on the first communicating pipe 51, the upper end of the flow cell 53 is connected with a second communicating pipe 54 through a connector, the second communicating pipe 54 is provided with a one-way valve 55, the flow cell 53 is connected with the buffer chamber 4 through the first communicating pipe 51 and the second communicating pipe 54, the upper wall surface of the detection chamber 5 is provided with a light source 56, a monochromator 57 installed on one side of the flow cell 53 is arranged below the light source 56, the monochromator 57 can be used for transmitting light with a specific wavelength, the left side of the monochromator 57 is provided with a detector 58 installed on the other side of the flow cell 53, the detector 58 can be used for detecting the absorbance of the test.
A specific working manner of this embodiment is as follows: adding a test solution into the digestion chamber 1 from a feed inlet 11, starting a sterilizing lamp 18 to sterilize the test solution, sequentially adding a digestion solution stored by an injector 13 into a reaction pool 15 after the sterilization is finished to digest the test solution, adding a reactant after the digestion is finished to convert a phosphorus-containing compound in the test solution into salt, adjusting the pH value of the solution through an acidic medium and an alkaline medium during the period, meanwhile, the solution in the reaction tank is heated by adjusting a heater 14 through a temperature sensor I17, so that the reaction rate reaches the optimal reaction rate, the finally pretreated test solution is conveyed into a buffer chamber 4 through a filter membrane 16 by a conveying pipeline 2 under the action of a peristaltic pump 3, a temperature sensor II 41 is observed, a micro metering pump on a communicating pipe I51 is opened after the test solution is cooled to the room temperature, and the test solution enters a flow tank 53 from the buffer chamber 4 and returns to the buffer chamber 4 through a one-way valve 55 on a communicating pipe II 54. Light emitted by the light source 56 passes through the monochromator 57 to obtain monochromatic light with required wavelength, the monochromatic light is projected onto the flow cell 53, the detector 58 receives the luminous flux of the test solution and is electrically connected to the display screen 59, and the phosphorus content value of the test solution is obtained by comparing the absorbance calibration curve under the set wavelength. After completion of the detection, the drain valve 43 is opened to discharge the waste liquid from the discharge port 42.
The preferred embodiments of the present invention utilizing the above disclosure are intended only to aid in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. The utility model provides a total phosphorus quantitative determination device, includes digestion room (1), buffer chamber (4) and detection room (5), its characterized in that: it is equipped with feed inlet (11) to clear up room (1) side, clear up room (1) and pass and extend to the syringe (13) of clearing up the room (1) through embracing piece (12) fixedly connected with, clear up room (1) below and install heater (14), reaction tank (15) are installed to heater (14) top, install filter membrane (16) in reaction tank (15), clear up room (1) upper wall and still install temperature sensor (17) and bactericidal lamp (18), reaction tank (15) are connected with and establish transmission pipeline (2) in filter membrane (16) below, install peristaltic pump (3) on transmission pipeline (2), transmission pipeline (2) are connected with buffer chamber (4), temperature sensor two (41) are installed to buffer chamber (4) upper wall, the bottom surface is equipped with discharge gate (42) under buffer chamber (4), a liquid discharge valve (43) is arranged on the discharge hole (42); be equipped with flow cell (53) in detection room (5), flow cell (53) lower extreme connector joint has communicating pipe (51), install micro-metering pump (52) on communicating pipe (51), flow cell (53) upper end connector joint has communicating pipe two (54), install check valve (55) on communicating pipe two (54), flow cell (53) are connected with surge chamber (4) through communicating pipe one (51) and communicating pipe two (54), light source (56) are installed to wall on detection room (5), light source (56) below is equipped with monochromator (57) of installing in flow cell (53) one side, monochromator (57) left side is equipped with detector (58) of installing at flow cell (53) opposite side, detector (58) electric connection has display screen (59).
2. The quantitative total phosphorus detection device according to claim 1, wherein: the number of the injectors (13) is four, and the solutions stored in the four injectors (13) are respectively a digestion solution, a reactant, an acidic medium and an alkaline medium.
3. The quantitative total phosphorus detection device according to claim 1, wherein: an insulating layer is attached to the outer wall surface of the heater (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021824365.3U CN212872200U (en) | 2020-08-27 | 2020-08-27 | Total phosphorus quantitative determination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021824365.3U CN212872200U (en) | 2020-08-27 | 2020-08-27 | Total phosphorus quantitative determination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212872200U true CN212872200U (en) | 2021-04-02 |
Family
ID=75190609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021824365.3U Active CN212872200U (en) | 2020-08-27 | 2020-08-27 | Total phosphorus quantitative determination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212872200U (en) |
-
2020
- 2020-08-27 CN CN202021824365.3U patent/CN212872200U/en active Active
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