CN214749705U

CN214749705U - Double-flow-path waterway system capable of simultaneously measuring TP and TN

Info

Publication number: CN214749705U
Application number: CN202022589756.8U
Authority: CN
Inventors: 汪水吉; 陈静萍; 范斌; 吴晓炜
Original assignee: Xiamen Kelungde Env Engineering Co ltd
Current assignee: Xiamen Kelungde Env Engineering Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-11-16
Anticipated expiration: 2030-11-11

Abstract

The utility model relates to an on-line analyzer technical field discloses a can measure TP and TN's double flow path waterway system simultaneously, including sample cell, mark liquid pipe, pure water pipe, first nontoxic waste liquid pipe, the nontoxic waste liquid pipe of second, poisonous waste liquid pipe, first three-way valve, second three-way valve, third three-way valve, first peristaltic pump, fourth three-way valve, fifth three-way valve, eight-way valve, second valve, third valve, fourth valve, fifth valve, exhaust valve, sixth valve, seventh valve, hybrid tube, eighth valve, liquid medicine valve group, ninth valve, heater, color comparison pond, first liquid medicine group, second peristaltic pump, liquid level proportioning device, second liquid medicine group and digestion system; the utility model has the characteristics of can two simultaneous measurements parameters, measuring speed is fast.

Description

Double-flow-path waterway system capable of simultaneously measuring TP and TN

Technical Field

The utility model relates to an online analysis appearance technical field, concretely relates to double-flow-path water route system that can simultaneous measurement TP and TN.

Background

At present, most of on-line analyzers for analyzing TP and TN in the prior art are two instruments, so that TP and TN are separately measured, but the two instruments have the problem of large installation space requirement, and when the two instruments are separately measured, different amounts of pure water are required to be consumed, the consumption of the required pure water is large, and the amount of generated waste liquid is large; currently, italian system manufactures a TP & TN two-in-one instrument to solve the problems of large installation space requirement and large pure water consumption, but the instrument has the problem that TP and TN parameters cannot be measured simultaneously, only one parameter can be measured first, and then one parameter is measured, so that the problem of long time required for measurement exists.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a can measure TP and TN's double fluid circuit water route system simultaneously.

In order to solve the technical problem, the technical scheme of the utility model is that: a double-flow-path waterway system capable of simultaneously measuring TP and TN comprises a sample tube, a standard liquid tube, a pure water tube, a first non-toxic waste liquid tube, a second non-toxic waste liquid tube and a toxic waste liquid tube, wherein the sample tube is connected with a first three-way valve, the standard liquid tube is connected with a second three-way valve, the pure water tube is connected with a third three-way valve, the first non-toxic waste liquid tube is connected with a normally closed end of a first valve and one end of a first peristaltic pump, the second non-toxic waste liquid tube is connected with a fourth three-way valve, and the toxic waste liquid tube is connected with a fifth three-way valve; the first three-way valve is also connected with a normally closed end of a second valve and a first interface of the eight-way valve, the second three-way valve is also connected with a normally closed end of a third valve and a second interface of the eight-way valve, the third three-way valve is also connected with a normally open end of the first valve and a third interface of the eight-way valve, the fourth three-way valve is also connected with a normally closed end of a fourth valve and a fourth interface of the eight-way valve, and the fifth three-way valve is also connected with a normally closed end of a fifth valve and one end of an exhaust valve;

the common end of the first valve is connected with the normally open end of the second valve, the common end of the second valve is connected with the normally open end of the third valve, the common end of the third valve is connected with the normally closed end of the sixth valve, the common end of the fourth valve is connected with the common end of the seventh valve, the normally open end of the fourth valve is connected with the middle connector of the mixing pipe, the normally open end of the fifth valve is connected with the normally open end of the sixth valve, the common end of the fifth valve is connected with the common end of the eighth valve, the common end of the sixth valve is connected with the liquid medicine group, the normally open end of the seventh valve is connected with the normally open end of the ninth valve, the normally closed end of the seventh valve is connected with the normally closed end of the ninth valve, a pipeline for connecting the normally closed end of the seventh valve and the normally closed end of the ninth valve is wound on the heater, the top connector of the mixing pipe is connected with the normally closed end of the eighth valve, the bottom connector of the mixing pipe is connected with one end of the colorimetric pool, and the normally open end of the eighth valve is connected with the other end of the colorimetric pool, the liquid medicine valve group is also connected with one end of a first liquid medicine pipe group and one end of a second peristaltic pump, and the common end of the ninth valve is connected with the other end of the second peristaltic pump;

the other end of the first peristaltic pump is connected with a top connector of a liquid level quantifying device, a bottom connector of the liquid level quantifying device is connected with a front connector of an eight-way valve, a rear connector of the eight-way valve is connected with the other end of an emptying valve, a fifth connector, a sixth connector and a seventh connector of the eight-way valve are all connected with a second liquid medicine pipe group, and an eighth connector of the eight-way valve is connected with a digestion system.

Preferably, a water sample detector is arranged on a pipeline connecting the liquid level quantifying device and the front interface of the eight-way valve.

Preferably, the liquid medicine valve group comprises a first liquid medicine valve, a second liquid medicine valve, a third liquid medicine valve and a fourth liquid medicine valve, the normally open end of the first liquid medicine valve is connected with the public end of the sixth valve, the public end of the first liquid medicine valve is connected with the normally open end of the second liquid medicine valve, the public end of the second liquid medicine valve is connected with the normally open end of the third liquid medicine valve, the public end of the third liquid medicine valve is connected with the normally open end of the fourth liquid medicine valve, and the public end of the fourth liquid medicine valve is connected with the second peristaltic pump.

Preferably, the first liquid medicine pipe group comprises a first liquid medicine pipe, a second liquid medicine pipe, a third liquid medicine pipe and a fourth liquid medicine pipe, the first liquid medicine pipe is connected with the normally closed end of the first liquid medicine valve, the second liquid medicine pipe is connected with the normally closed end of the second liquid medicine valve, the third liquid medicine pipe is connected with the normally closed end of the third liquid medicine valve, and the fourth liquid medicine pipe is connected with the normally closed end of the fourth liquid medicine valve.

Preferably, the second liquid medicine tube group comprises a fifth liquid medicine tube, a sixth liquid medicine tube and a seventh liquid medicine tube, the fifth liquid medicine tube is connected with the fifth interface of the eight-way valve, the sixth liquid medicine tube is connected with the sixth interface of the eight-way valve, and the seventh liquid medicine tube is connected with the seventh interface of the eight-way valve.

Compare prior art, the utility model has the advantages that:

the utility model discloses a set up first peristaltic pump, the second peristaltic pump, first three-way valve, the second three-way valve, the third three-way valve, the fourth three-way valve, the fifth three-way valve, first valve, the second valve, the third valve, the fourth valve, the fifth valve, the sixth valve, the seventh valve, the eighth valve, the ninth valve, eight-way valve, the blowoff valve, the hybrid tube, the heater, the color comparison pond, the liquid level batcher, digestion system, the water sample detector, the liquid level batcher, digestion system isotructure, TP and TN can be measured simultaneously to realized, the TP parameter can be measured to color comparison pond isotructure, it can measure the TN parameter to digest system isotructure, make TP and TN can clear up and measure simultaneously, very big shortening the measurement required time, can realize accomplishing the measurement of two parameters in an hour.

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 view of a part of the novel structure of the experiment;

FIG. 2 is a schematic structural diagram of a TP waterway according to the present invention;

FIG. 3 is a schematic structural view of a TN waterway of the present invention;

fig. 4 is a rear connection diagram of the eight-way valve of the present invention.

Reference numerals: 1. a sample tube; 2. a marking liquid pipe; 3. a pure water pipe; 4. a first sterile waste tube; 5. a second non-toxic waste pipe; 6. a toxic waste fluid pipe; 7. a first three-way valve; 8. a second three-way valve; 9. a third three-way valve; 10. a first valve; 11. a first peristaltic pump; 12. a fourth three-way valve; 13. a fifth three-way valve; 14. a second valve; 15. an eight-way valve; 16. a third valve; 17. a fourth valve; 18. a fifth valve; 19. an evacuation valve; 20. a sixth valve; 21. a seventh valve; 22. a mixing tube; 23. an eighth valve; 24. a ninth valve; 25. a heater; 26. a colorimetric pool; 27. a second peristaltic pump; 28. a liquid level batcher; 29. a digestion system; 30. a water sample detector; 31. a first liquid medicine valve; 32. a second liquid medicine valve; 33. a third liquid medicine valve; 34. a fourth liquid medicine valve; 35. a first drug liquid tube; 36. a second drug liquid tube; 37. a third drug liquid tube; 38. a fourth drug solution tube; 39. a fifth drug liquid tube; 40. a sixth drug liquid tube; 41. and a seventh liquid medicine tube.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution, a double-channel waterway system capable of simultaneously measuring TP and TN, comprising a sample tube 1, a label tube 2, a pure water tube 3, a first non-toxic waste liquid tube 4, a second non-toxic waste liquid tube 5 and a toxic waste liquid tube 6, wherein the sample tube 1 is used for injecting a sample into the waterway through the sample tube 1 from the outside, the label tube 2 is used for injecting a label liquid into the waterway through the label tube 2 from the outside, the pure water tube 3 is used for injecting pure water into the waterway through the pure water tube 3 from the outside, the first non-toxic waste liquid tube 4 is used for communicating with an external non-toxic waste liquid tube, and it should be noted that a tube orifice of the first non-toxic waste liquid tube 4 should be suspended on a liquid surface in the non-toxic waste liquid tube to ensure that the first non-toxic waste liquid tube 4 can suck air, the first non-toxic waste liquid tube 4 is used for sucking air and discharging non-toxic waste liquid, the second non-toxic waste liquid tube 5 is used for communicating with an external non-toxic waste liquid tube, the toxic waste liquid pipe 6 is communicated with an external toxic waste liquid cylinder and is used for discharging toxic waste liquid; the sample tube 1 is connected with a first three-way valve 7, the label tube 2 is connected with a second three-way valve 8, the pure water tube 3 is connected with a third three-way valve 9, the first non-toxic waste liquid tube 4 is connected with a normally closed end of the first valve 10 and one end of a first peristaltic pump 11, the second non-toxic waste liquid tube 5 is connected with a fourth three-way valve 12, and the toxic waste liquid tube 6 is connected with a fifth three-way valve 13; the first three-way valve 7 is also connected with a normally closed end of a second valve 14 and a first interface of an eight-way valve 15, the second three-way valve 8 is also connected with a normally closed end of a third valve 16 and a second interface of the eight-way valve 15, the third three-way valve 9 is also connected with a normally open end of a first valve 10 and a third interface of the eight-way valve 15, the fourth three-way valve 12 is also connected with a normally closed end of a fourth valve 17 and a fourth interface of the eight-way valve 15, and the fifth three-way valve 13 is also connected with a normally closed end of a fifth valve 18 and one end of an exhaust valve 19;

the common end of the first valve 10 is connected with the normally open end of the second valve 14, the common end of the second valve 14 is connected with the normally open end of the third valve 16, the common end of the third valve 16 is connected with the normally closed end of the sixth valve 20, the common end of the fourth valve 17 is connected with the common end of the seventh valve 21, the normally open end of the fourth valve 17 is connected with the middle connector of the mixing pipe 22, the normally open end of the fifth valve 18 is connected with the normally open end of the sixth valve 20, the common end of the fifth valve 18 is connected with the common end of the eighth valve 23, the common end of the sixth valve 20 is connected with the liquid medicine valve group, the normally open end of the seventh valve 21 is connected with the normally open end of the ninth valve 24, the normally closed end of the seventh valve 21 is connected with the normally closed end of the ninth valve 24, a pipeline for connecting the normally closed end of the seventh valve 21 with the normally closed end of the ninth valve 24 is wound on the heater 25, the top connector of the mixing pipe 22 is connected with the normally closed end of the eighth valve 23, the bottom port of the mixing tube 22 is connected with one end of a colorimetric pool 26, the normally open end of the eighth valve 23 is connected with the other end of the colorimetric pool 26, the liquid medicine valve group is also connected with one end of a first liquid medicine tube 35 group and a second peristaltic pump 27, and the common end of the ninth valve 24 is connected with the other end of the second peristaltic pump 27;

the other end of the first peristaltic pump 11 is connected with a top interface of a liquid level quantifying device, the liquid level quantifying device is used for quantifying the volume of liquid, the bottom interface of the liquid level quantifying device is connected with a front interface of an eight-way valve 15, the rear interface of the eight-way valve 15 is connected with the other end of an exhaust valve 19, a fifth interface, a sixth interface and a seventh interface of the eight-way valve 15 are connected with 36 groups of second liquid medicine pipes, the eighth interface of the eight-way valve 15 is connected with a digestion system 29, the digestion system 29 is used for digesting the liquid and reading corresponding numerical values, and the liquid level quantifying device and the digestion system 29 are common devices in the prior art, so that the specific working principle and the using mode are not repeated.

Further, a water sample detector 30 is arranged on a pipeline connecting the liquid level quantifying device and the front interface of the eight-way valve 15, and the water sample detector 30 is used for detecting whether liquid flows through the pipeline.

Further, the liquid medicine valve group comprises a first liquid medicine valve 31, a second liquid medicine valve 32, a third liquid medicine valve 33 and a fourth liquid medicine valve 34, a normally open end of the first liquid medicine valve 31 is connected with a common end of the sixth valve 20, a common end of the first liquid medicine valve 31 is connected with a normally open end of the second liquid medicine valve 32, a common end of the second liquid medicine valve 32 is connected with a normally open end of the third liquid medicine valve 33, a common end of the third liquid medicine valve 33 is connected with a normally open end of the fourth liquid medicine valve 34, and a common end of the fourth liquid medicine valve 34 is connected with the second peristaltic pump 27.

Further, the first medicine liquid tube 35 group includes a first medicine liquid tube 35, a second medicine liquid tube 36, a third medicine liquid tube 37 and a fourth medicine liquid tube 38, and the first medicine liquid tube 35, the second medicine liquid tube 36, the third medicine liquid tube 37 and the fourth medicine liquid tube 38 are used for storing the medicine required for measuring TP; the first liquid medicine tube 35 is connected to the normally closed end of the first liquid medicine valve 31, the second liquid medicine tube 36 is connected to the normally closed end of the second liquid medicine valve 32, the third liquid medicine tube 37 is connected to the normally closed end of the third liquid medicine valve 33, and the fourth liquid medicine tube 38 is connected to the normally closed end of the fourth liquid medicine valve 34.

Further, the second liquid medicine tube 36 set includes a fifth liquid medicine tube 39, a sixth liquid medicine tube 40 and a seventh liquid medicine tube 41, and the fifth liquid medicine tube 39, the sixth liquid medicine tube 40 and the seventh liquid medicine tube 41 are used for storing the medicament required for measuring TN; the fifth liquid medicine pipe 39 is connected with the fifth interface of the eight-way valve 15, the sixth liquid medicine upper pipe is connected with the sixth interface of the eight-way valve 15, and the seventh liquid medicine pipe 41 is connected with the seventh interface of the eight-way valve 15.

Example (b): when the device works, the first peristaltic pump 11 and the second peristaltic pump 27 work simultaneously, a sample is pumped into the sample pipe 1, the sample enters the first three-way valve 7 and then is divided into two paths, one path enters the normally-closed end of the second valve 14, and the other path enters the first interface of the eight-way valve 15; the sample entering the normally closed end of the second valve 14 is conveyed into a pipeline wound on the heater 25 through the second peristaltic pump 27 for storage and heating, the flow path of the sample entering the pipeline wound on the heater 25 is that the sample enters the normally open end of the third valve 16 from the common end of the second valve 14, then enters the normally closed end of the sixth valve 20 from the common end of the third valve 16, then enters one end of the second peristaltic pump 27 from the common end of the sixth valve 20 after flowing through the liquid medicine valve group, then enters the common end of the ninth valve 24 from the other end of the second peristaltic pump 27, and then flows into the pipeline wound on the heater 25 from the normally closed end of the ninth valve 24;

then the second peristaltic pump 27 pumps pure water into the normally open end of the first valve 10 to the pure water pipe 3, cleaning the water channel, wherein the path of cleaning the pure water is that the pure water enters the normally open end of the first valve 10, then enters the normally open end of the second valve 14 from the common end of the first valve 10, then enters the normally open end of the third valve 16 from the common end of the second valve 14, then enters the normally closed end of the sixth valve 20 from the common end of the third valve 16, then enters one end of the second peristaltic pump 27 from the common end of the sixth valve 20 after flowing through the liquid medicine valve group, then enters the common end of the ninth valve 24 from the other end of the second peristaltic pump 27, then enters the normally open end of the seventh valve 21 from the normally open end of the ninth valve 24, then enters the common end of the fourth valve 17 from the common end of the seventh valve 21, then is discharged into the fourth three-way valve 12 from the normally closed end of the fourth valve 17, and then is discharged into the second nontoxic waste liquid pipe 5 from the fourth valve 12;

after pure water is cleaned, the second peristaltic pump 27 pumps air into the first sterile waste liquid pipe 4, pumps liquid medicine into the liquid medicine pipe group, dilutes and mixes the sample stored in the pipeline wound on the heater 25, and pumps the diluted and mixed liquid into the colorimetric pool 26 for measurement and reading, wherein the specific flow path of the steps is that air enters the normally closed end of the first valve 10 from the first sterile waste liquid pipe 4, then enters the normally open end of the second valve 14 from the common end of the first valve 10, then enters the normally open end of the third valve 16 from the common end of the second valve 14, then enters the normally closed end of the sixth valve 20 from the common end of the third valve 16, and then flows into the liquid medicine valve group from the common end of the sixth valve 20, and at the moment, the first liquid medicine valve 31, the second liquid medicine valve 32, the third liquid medicine valve 33, the fourth liquid medicine valve 34 and the third liquid medicine valve 34 are opened according to the required medicine, The liquid medicine in the first liquid medicine pipe 35, the second liquid medicine pipe 36, the third liquid medicine pipe 37 and the fourth liquid medicine pipe 38 flows into the first liquid medicine valve 31, the second liquid medicine valve 32, the third liquid medicine valve 33 and the fourth liquid medicine valve 34, the flow path of air and liquid medicine in the liquid medicine valve group is that air enters the first liquid medicine valve 31 from the normally open end of the first liquid medicine valve 31, the liquid medicine in the first liquid medicine pipe 35 enters the first liquid medicine valve 31 from the normally closed end of the first liquid medicine valve 31, the mixed liquid medicine enters the normally open end of the second liquid medicine valve 32 from the common end of the first liquid medicine valve 31, the liquid medicine in the second liquid medicine pipe 36 enters the second liquid medicine valve 32 from the normally closed end of the second liquid medicine valve 32, the mixed liquid medicine enters the normally open end of the third liquid medicine valve 33 from the common end of the second liquid medicine valve 32, the mixed liquid medicine in the third liquid medicine pipe 37 enters the third liquid medicine valve 33 from the normally closed end of the third liquid medicine valve 33, and the mixed liquid medicine enters the normally open end of the fourth liquid medicine valve 34, the liquid medicine in the fourth liquid medicine pipe 38 enters the fourth liquid medicine valve 34 from the normally closed end of the fourth liquid medicine valve 34, enters one end of the second peristaltic pump 27 from the common end of the fourth liquid medicine valve 34 after being mixed, enters the common end of the ninth valve 24 from the other end of the second peristaltic pump 27, enters the pipeline wound on the heater 25 from the normally closed end of the ninth valve 24, is mixed with the sample in the pipeline, the mixed liquid enters the normally closed end of the seventh valve 21, enters the common end of the fourth valve 17 from the common end of the seventh valve 21, enters the middle connector of the mixing pipe 22 from the normally open end of the fourth valve 17, is fully mixed and defoamed in the mixing pipe 22, the specific principle of defoaming is that the liquid is mixed and layered in the mixing pipe 22, the upper layer liquid with liquid bubbles enters the normally closed end of the eighth valve 23 from the top connector of the mixing pipe 22, and enters the common end of the fifth valve 18 from the common end of the eighth valve 23, then enters the fifth three-way valve 13 from the normally closed end of the fifth valve 18, is discharged into the toxic waste liquid pipe 6 through the fifth three-way valve 13, and enters the colorimetric pool 26 from the bottom interface of the mixing pipe 22 after the defoamed liquid is mixed in the mixing pipe 22, and is subjected to measurement reading, and at the moment, the measurement of the TP parameter is completed; after the measurement is completed, the liquid in the colorimetric pool 26 enters the normally open end of the eighth valve 23 from the colorimetric pool 26, then enters the common end of the fifth valve 18 from the common end of the eighth valve 23, then enters the fifth three-way valve 13 from the normally closed end of the fifth valve 18, and is discharged into the toxic waste liquid pipe 6 through the fifth three-way valve 13 to be discharged.

The sample entering the first interface of the eight-way valve 15 enters the liquid level batcher 28 for quantification under the action of the first peristaltic pump 11 and then is pumped into the digestion system 29, the specific flow path of the step is that the sample enters the first interface of the eight-way valve 15, then enters the liquid level batcher 28 from the front interface of the eight-way valve 15, enters the front interface of the eight-way valve 15 from the liquid level batcher 28 after being quantified in the liquid level batcher 28, and then enters the digestion system 29 from the eighth interface of the eight-way valve 15; then the first peristaltic pump 11 pumps pure water into the pure water pipe 3 to dilute the sample in the digestion system 29, the specific inflow of the step is that the pure water enters the third interface of the eight-way valve 15 from the pure water pipe 3 and then enters the liquid level batcher 28 from the front interface of the eight-way valve 15, after the required volume is measured in the liquid level batcher 28, the pure water with the required volume enters the front interface of the eight-way valve 15 from the liquid level batcher 28, other pure water is collected and discharged from the liquid level batcher 28, the pure water entering the front interface of the eight-way valve 15 enters the digestion system 29 from the eighth interface of the eight-way valve 15 and is mixed and diluted with the sample existing in the digestion system 29; then the first peristaltic pump 11 extracts the required liquid medicine into the second liquid medicine tube 36 group, and mixes and reads the value with the diluted sample in the digestion system 29, the specific flow path of the step is to extract the liquid medicine into a fifth liquid medicine tube 39, a sixth liquid medicine tube 40 and a seventh liquid medicine tube 41 according to the requirement, the liquid medicine in the fifth liquid medicine tube 39 enters the fifth interface of the eight-way valve 15, the liquid medicine in the sixth liquid medicine valve enters the sixth interface of the eight-way valve 15, the liquid medicine in the seventh liquid medicine valve enters the seventh interface of the eight-way valve 15, the entered liquid medicine enters the liquid level batcher 28 from the front interface of the eight-way valve 15, after the required volume is determined in the liquid level batcher 28, the liquid medicine with the required volume enters the front interface of the eight-way valve 15 from the liquid level batcher 28, other liquid medicines are collected and discharged from the liquid level batcher 28, the liquid medicine entering the front interface of the eight-way valve 15 enters the digestion system 29 from the eighth interface of the eight-way valve 15, thus, the measurement reading is carried out, and at the moment, the measurement of the TN parameter is completed; after the measurement is finished, the liquid in the digestion system 29 enters the eighth interface of the eight-way valve 15 from the digestion system 29, then enters the evacuation valve 19 from the rear interface of the eight-way valve 15, then enters the fifth three-way valve 13 from the evacuation valve 19, and then is discharged into the toxic waste liquid pipe 6 from the fifth three-way valve 13 to be discharged.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above is only the typical example of the utility model, in addition, the utility model can also have other multiple concrete implementation manners, and the technical scheme that all adopt equivalent replacement or equivalent transform to form all falls within the scope of the utility model.

Claims

1. The utility model provides a can measure TP and TN's double-flow-path waterway system simultaneously, includes sample cell (1), mark liquid pipe (2), pure water pipe (3), first nontoxic waste liquid pipe (4), nontoxic waste liquid pipe of second (5) and poisonous waste liquid pipe (6), its characterized in that: the device comprises a sample pipe (1), a standard liquid pipe (2), a pure water pipe (3), a standard liquid pipe (7), a standard liquid pipe (8), a pure water pipe (3), a first non-toxic waste liquid pipe (4), a first peristaltic pump (11), a second peristaltic pump (12), a third peristaltic pump (10), a fourth non-toxic waste liquid pipe (5), and a fifth three-way valve (13); the first three-way valve (7) is also connected with a normally-closed end of a second valve (14) and a first interface of an eight-way valve (15), the second three-way valve (8) is also connected with a normally-closed end of a third valve (16) and a second interface of the eight-way valve (15), the third three-way valve (9) is also connected with a normally-opened end of a first valve (10) and a third interface of the eight-way valve (15), the fourth three-way valve (12) is also connected with a normally-closed end of a fourth valve (17) and a fourth interface of the eight-way valve (15), and the fifth three-way valve (13) is also connected with a normally-closed end of a fifth valve (18) and one end of an emptying valve (19);

the common end of the first valve (10) is connected with the normally open end of the second valve (14), the common end of the second valve (14) is connected with the normally open end of the third valve (16), the common end of the third valve (16) is connected with the normally closed end of the sixth valve (20), the common end of the fourth valve (17) is connected with the common end of the seventh valve (21), the normally open end of the fourth valve (17) is connected with the middle connector of the mixing pipe (22), the normally open end of the fifth valve (18) is connected with the normally open end of the sixth valve (20), the common end of the fifth valve (18) is connected with the common end of the eighth valve (23), the common end of the sixth valve (20) is connected with the liquid medicine valve group, the normally open end of the seventh valve (21) is connected with the normally open end of the ninth valve (24), the normally closed end of the seventh valve (21) is connected with the normally closed end of the ninth valve (24), and a heater (25) for connecting the normally closed end of the seventh valve (21) with the ninth valve (24) is wound on a pipeline, the top interface of the mixing tube (22) is connected with the normally closed end of an eighth valve (23), the bottom interface of the mixing tube (22) is connected with one end of a colorimetric pool (26), the normally open end of the eighth valve (23) is connected with the other end of the colorimetric pool (26), a first liquid medicine tube group and one end of a second peristaltic pump (27) are further connected to the liquid medicine valve group, and the common end of the ninth valve (24) is connected with the other end of the second peristaltic pump (27);

the other end of the first peristaltic pump (11) is connected with a top interface of a liquid level quantification device, a bottom interface of the liquid level quantification device is connected with a front interface of an eight-way valve (15), a rear interface of the eight-way valve (15) is connected with the other end of an exhaust valve (19), a fifth interface, a sixth interface and a seventh interface of the eight-way valve (15) are connected with a second medicine liquid pipe (36) group, and an eighth interface of the eight-way valve (15) is connected with a digestion system (29).

2. The dual-flow waterway system capable of simultaneously measuring TP and TN according to claim 1, wherein: and a water sample detector (30) is arranged on a pipeline connecting the liquid level quantifying device and the front interface of the eight-way valve (15).

3. The dual-flow waterway system capable of simultaneously measuring TP and TN according to claim 1, wherein: the liquid medicine valve group comprises a first liquid medicine valve (31), a second liquid medicine valve (32), a third liquid medicine valve (33) and a fourth liquid medicine valve (34), the normally open end of the first liquid medicine valve (31) is connected with the public end of the sixth valve (20), the public end of the first liquid medicine valve (31) is connected with the normally open end of the second liquid medicine valve (32), the public end of the second liquid medicine valve (32) is connected with the normally open end of the third liquid medicine valve (33), the public end of the third liquid medicine valve (33) is connected with the normally open end of the fourth liquid medicine valve (34), and the public end of the fourth liquid medicine valve (34) is connected with the second peristaltic pump (27).

4. The dual-flow waterway system capable of measuring TP and TN simultaneously according to claim 3, wherein: first medicine liquid pipe (35) group includes first medicine liquid pipe (35), second medicine liquid pipe (36), third medicine liquid pipe (37) and fourth medicine liquid pipe (38), and first medicine liquid pipe (35) are connected with the normally closed end of first medicine liquid valve (31), and second medicine liquid pipe (36) are connected with the normally closed end of second medicine liquid valve (32), and third medicine liquid pipe (37) are connected with the normally closed end of third medicine liquid valve (33), and fourth medicine liquid pipe (38) are connected with the normally closed end of fourth medicine liquid valve (34).

5. The dual-flow waterway system capable of simultaneously measuring TP and TN according to claim 1, wherein: the second medicine liquid pipe (36) group comprises a fifth medicine liquid pipe (39), a sixth medicine liquid pipe (40) and a seventh medicine liquid pipe (41), the fifth medicine liquid pipe (39) is connected with a fifth interface of the eight-way valve (15), the sixth medicine liquid pipe is connected with a sixth interface of the eight-way valve (15), and the seventh medicine liquid pipe (41) is connected with a seventh interface of the eight-way valve (15).