CN212008400U - Integral type sampling calibration constant voltage alkalization measuring device - Google Patents
Integral type sampling calibration constant voltage alkalization measuring device Download PDFInfo
- Publication number
- CN212008400U CN212008400U CN202020537601.7U CN202020537601U CN212008400U CN 212008400 U CN212008400 U CN 212008400U CN 202020537601 U CN202020537601 U CN 202020537601U CN 212008400 U CN212008400 U CN 212008400U
- Authority
- CN
- China
- Prior art keywords
- alkalization
- pressure
- constant
- pipe
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides an integrated sampling calibration constant-pressure alkalization measuring device which comprises a measuring pool, wherein a measuring assembly is arranged in the measuring pool, an outlet of the measuring pool is in conduction connection with a sewage discharge pool through a pipeline, an inlet of the measuring pool is in conduction connection with an alkalization solution pipe, a water sample inlet pipe and a calibration liquid bottle are in conduction connection on the alkalization solution pipe in sequence, and a constant-pressure sample inlet assembly is arranged between the water sample inlet pipe and the alkalization solution pipe; a sample injection valve is arranged on the water sample inlet pipe, and a calibration liquid valve is arranged at the outlet of the calibration liquid bottle; the alkalifying solution pipe between the constant-pressure sample injection assembly and the measuring pool is connected with a pressure-stabilizing alkalifying gas assembly in a conduction manner, and the length of the alkalifying solution pipe between the pressure-stabilizing alkalifying gas assembly and the measuring pool is 60-80 CM; the invention solves the problems of integrated alkalization and integrated structure layout of sample water and calibration solution, simplifies the flow path, has more obvious alkalization effect, greatly reduces flow fault and maintenance cost, and greatly improves the reliability and service life of the instrument.
Description
Technical Field
The invention relates to an alkalization measuring device, in particular to an integrated sampling calibration constant-pressure alkalization measuring device.
Background
The existing alkalization measuring device has complex structures, arrangements and alkalization modes of sample water and calibration solution flow paths, particularly the alkalization mode which mostly adopts a mode of inflating by using a diffusion tube or an air pump, has poor alkalization effect, is easy to age the diffusion tube, is easy to break down and corrode instruments, and has more inconvenience in use.
Disclosure of Invention
The invention aims to provide an integrated sampling calibration constant-pressure alkalization measuring device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an integrated sampling calibration constant-pressure alkalization measuring device comprises a measuring pool, wherein a measuring assembly is arranged in the measuring pool, an outlet of the measuring pool is in conduction connection with a sewage discharge pool through a pipeline, an inlet of the measuring pool is in conduction connection with an alkalization solution pipe, a water sample inlet pipe and a calibration liquid bottle are sequentially in conduction connection with the alkalization solution pipe, and a constant-pressure sample inlet assembly is arranged between the water sample inlet pipe and the alkalization solution pipe; a sample injection valve is arranged on the water sample inlet pipe, and a calibration liquid valve is arranged at the outlet of the calibration liquid bottle;
the alkalization solution pipe between the constant pressure sample injection component and the measuring pool is connected with a pressure stabilizing alkalization gas component in a conduction way, and the length of the alkalization solution pipe between the pressure stabilizing alkalization gas component and the measuring pool is 60-80 CM.
As a further scheme of the invention: the measuring assembly comprises a sodium electrode, a reference electrode, a pH electrode and a temperature electrode which are arranged in a measuring cell; the solution was measured sequentially through a sodium electrode, a reference electrode, a pH electrode and a temperature electrode.
As a further scheme of the invention: and the sample injection valve and the calibration liquid valve are acid and alkali resistant flow valves.
As a further scheme of the invention: the constant-pressure sample injection assembly consists of a constant-pressure overflow cup which is in conduction connection with the water sample injection pipe and a constant-pressure overflow pipe which is arranged in the constant-pressure overflow cup along the vertical direction; the lower end of the constant-pressure overflow pipe is in conduction connection with the sewage disposal pool through a pipeline; the constant pressure overflow cup is communicated with the alkalization solution pipe through a pipeline, and a constant pressure sample injection valve is arranged on the pipeline.
As a further scheme of the invention: the pressure stabilizing alkalization gas assembly consists of an alkalization liquid bottle, an alkalization gas pipe in conducting connection between the alkalization liquid bottle and the alkalization solution pipe, a pressure stabilizing air pipe in conducting connection with the alkalization liquid bottle and an air filter arranged at the free end of the pressure stabilizing air pipe.
Compared with the prior art, the invention has the beneficial effects that:
after the structure is adopted, the flow path and the alkalization mode are more reasonable, the instrument structure is simpler, and the instrument reliability is higher; when the sample water or the calibration solution flows in the alkalization solution pipe, a negative pressure is generated on a bypass connected with the alkalization gas and the alkalization solution, so that the purpose of collecting the alkalization steam is realized, and the alkalization steam enters the aqueous solution in the alkalization solution pipe. The flowing detected water solution and the collected alkalized steam form a string of regular bubbles in an alkalized solution pipe with proper length, the flow length is 60-80CM by utilizing the characteristic that the alkalized steam is very easy to dissolve in the water solution, the length is reasonable, the water solution and the alkalized steam are mutually dissolved in the flow, and the water solution and the alkalized steam are basically and uniformly mixed before reaching the measuring sensor, so that the aim of alkalizing the water solution is fulfilled.
The sample water completes constant pressure sample introduction, sample water overflow and sample water constant pressure sampling in the constant pressure overflow cup, thereby not only eliminating the influence of sample water change at the inlet, but also ensuring constant pressure and constant flow which are accepted by alkalization, and keeping consistent alkalization effect all the time. The invention solves the problems of integrated alkalization and integrated structure layout of sample water and calibration solution, simplifies the flow path, has more obvious alkalization effect, greatly reduces flow fault and maintenance cost, and greatly improves the reliability and service life of the instrument.
Drawings
Fig. 1 is a schematic structural diagram of an integrated sampling calibration constant-pressure alkalization measuring device.
In the figure: 1. a measuring cell; 2. a measurement assembly; 3. a sewage disposal pool; 4. alkalizing the solution pipe; 5. a water sample inlet pipe; 6. calibrating the liquid bottle; 7. a constant pressure sample injection assembly; 701. a constant pressure overflow cup; 702. a constant pressure overflow pipe; 703. a constant pressure sample injection valve; 8. a sample injection valve; 9. a calibration fluid valve; 10. a pressure stabilizing alkalizing gas component; 1001. an alkalifying liquid bottle; 1002. alkalizing the air pipe; 1003. a pressure stabilizing air pipe; 1004. an air filter.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1, an integrated sampling calibration constant-pressure alkalization measuring device comprises a measuring tank 1, wherein a measuring assembly 2 is arranged in the measuring tank 1, an outlet of the measuring tank 1 is in conduction connection with a sewage discharge tank 3 through a pipeline, an inlet of the measuring tank 1 is in conduction connection with an alkalization solution pipe 4, a water sample inlet pipe 5 and a calibration liquid bottle 6 are in conduction connection on the alkalization solution pipe 4 in sequence, and a constant-pressure sample injection assembly 7 is arranged between the water sample inlet pipe 5 and the alkalization solution pipe 4; a sample injection valve 8 is arranged on the water sample inlet pipe 5 to adjust the flow of the inlet water sample; a calibration liquid valve 9 is arranged at the outlet of the calibration liquid bottle 6; the alkalifying solution pipe 4 between the constant pressure sample injection assembly 7 and the measuring pool 1 is connected with a pressure stabilizing alkalifying gas assembly 10 in a conduction mode, and the length of the alkalifying solution pipe 4 between the pressure stabilizing alkalifying gas assembly 10 and the measuring pool 1 is 60-80 CM. When the sample water or the calibration solution flows in the alkalization solution pipe 4, a negative pressure is generated on a bypass connected with the alkalization gas and the alkalization solution, so that the purpose of collecting the alkalization steam is realized, and the alkalization steam enters the aqueous solution in the alkalization solution pipe 4. The flowing detected water solution and the collected alkalized steam form a string of regular bubbles in the alkalized solution pipe 4 with proper length, and the water solution and the alkalized steam are dissolved in each other in the flow by utilizing the characteristic that the alkalized steam is very easy to dissolve in the water solution and the reasonable flow length is 60-80CM, so that the water solution and the alkalized steam are basically and uniformly mixed before reaching the measuring pool 1, and the aim of alkalizing the water solution is fulfilled.
Wherein the measuring component 2 comprises a sodium electrode, a reference electrode, a pH electrode and a temperature electrode which are arranged in the measuring cell 1; the solution was measured sequentially through a sodium electrode, a reference electrode, a pH electrode and a temperature electrode. The sensors in the measuring pool 1 are sequentially distributed, the alkalized water sample sequentially flows through the sensors, and parameter signals of the alkalized liquid are measured and uploaded to the transmitter.
In addition, the sample injection valve 8 and the calibration liquid valve 9 are acid and alkali resistant flow valves. The measured sample water and the calibration solution are switched through valves to realize calibration and measurement.
Preferably, the constant pressure sample injection assembly 7 is composed of a constant pressure overflow cup 701 in conduction connection with the water sample injection pipe 5, and a constant pressure overflow pipe 702 vertically arranged in the constant pressure overflow cup 701; the lower end of the constant-pressure overflow pipe 702 is communicated with the sewage disposal pool 3 through a pipeline; the constant pressure overflow cup 701 is connected with the alkalization solution pipe 4 in a conduction way through a pipeline, and a constant pressure sample injection valve 703 is arranged on the pipeline. The water sample in the constant pressure overflow cup 701 keeps a fixed height through the constant pressure overflow pipe 702, and the redundant water sample overflows from the constant pressure overflow pipe 702; because a water sample with fixed height can generate stable pressure at the outlet of the pipeline, the water sample can enter the alkalization solution pipe 4 at a constant pressure; the sample water completes constant pressure sample introduction, sample water overflow and sample water constant pressure sampling in the constant pressure overflow cup 701, thereby not only eliminating the influence of sample water change at the inlet, but also ensuring constant pressure and constant flow checked and accepted by alkalization and keeping consistent alkalization effect all the time.
Specifically, the pressure stabilizing alkalizing gas assembly 10 is composed of an alkalizing liquid bottle 1001, an alkalizing gas pipe 1002 connected between the alkalizing liquid bottle 1001 and the alkalizing solution pipe 4 in a conduction manner, a pressure stabilizing air pipe 1003 connected with the alkalizing liquid bottle 1001 in a conduction manner, and an air filter 1004 arranged at the free end of the pressure stabilizing air pipe 1003. The basifying liquid bottle 1001 has liquid basifying solution in the lower part and gaseous basifying vapor in the upper part. Through the cooperation of air cleaner 1004 and steady voltage air pipe 1003, can filter the impurity such as dust in the air to the liquid bottle of alkalization is imported the air, carries out steady voltage. When the alkalized solution pipe 4 has the solution flowing, the gaseous alkalized steam in the alkalized air pipe 1002 automatically enters the solution.
In this embodiment, it should be noted that the valves, the sensors, and the air filter 1004 adopted in the present application are all in the prior art, and the installation and control of the components are also all in the prior art, so that the connection relationship and principle thereof will not be described herein again.
The working principle of the invention is as follows: the constant pressure sample injection valve 703 is closed first, the calibration solution valve 9 is opened, the calibration solution in the calibration solution bottle 6 enters the measurement cell 1 through the alkalifying solution tube 4, and then calibration is performed through the measurement assembly 2.
After the calibration is finished, the calibration liquid valve 9 is closed, the sample injection valve 8 is opened, the sample water to be measured enters the constant pressure overflow cup 701 through the water sample injection pipe 5, when the sample water in the constant pressure overflow cup 701 reaches the overflow port of the constant pressure overflow pipe 702, the sample water overflows, and the overflowing sample water enters the sewage disposal pool 3 through the constant pressure overflow pipe 702. Then the constant pressure sample injection valve 703 is opened, the constant pressure sample water flows into the alkalified solution pipe 4, enters the measuring tank 1 through the alkalified solution pipe 4, is measured through the measuring component 2, and then is discharged into the sewage tank 3.
No matter sample water or calibration solution, when flowing in the alkalization solution pipe 4, a negative pressure is generated at the inlet of the alkalization air pipe 1002 connected with the alkalization solution pipe 4, the negative pressure can bring gaseous alkalization steam in the alkalization air pipe 1002 to the alkalization solution pipe 4 together, a series of regular bubble flows are formed in the alkalization solution pipe 4, the bubbles flow into the measuring pool 1 while dissolving, the alkalization is basically completed before reaching the measuring pool 1, and the alkalization solution sequentially flows through different sensors in the measuring pool 1 and then is discharged into the sewage discharge pool 3.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. An integrated sampling calibration constant-pressure alkalization measuring device comprises a measuring pool (1) and is characterized in that a measuring component (2) is arranged in the measuring pool (1), an outlet of the measuring pool (1) is in conduction connection with a sewage discharge pool (3) through a pipeline, an inlet of the measuring pool (1) is in conduction connection with an alkalization solution pipe (4), a water sample inlet pipe (5) and a calibration liquid bottle (6) are sequentially in conduction connection with the alkalization solution pipe (4), and a constant-pressure sample inlet component (7) is arranged between the water sample inlet pipe (5) and the alkalization solution pipe (4); a sample injection valve (8) is arranged on the water sample inlet pipe (5), and a calibration liquid valve (9) is arranged at the outlet of the calibration liquid bottle (6);
the alkalifying solution pipe (4) between the constant-pressure sample injection assembly (7) and the measuring pool (1) is connected with a pressure-stabilizing alkalifying gas assembly (10) in a conduction mode, and the length of the alkalifying solution pipe (4) between the pressure-stabilizing alkalifying gas assembly (10) and the measuring pool (1) is 60-80 CM.
2. An integrated sampling calibration constant pressure alkalization measuring device according to claim 1, characterized in that the measuring assembly (2) comprises a sodium electrode, a reference electrode, a pH electrode and a temperature electrode arranged in a measuring cell (1); the solution was measured sequentially through a sodium electrode, a reference electrode, a pH electrode and a temperature electrode.
3. The integrated sampling and calibrating constant-pressure alkalization measuring device according to claim 1, wherein the sample injection valve (8) and the calibrating liquid valve (9) are acid and alkali resistant flow valves.
4. The integrated sampling calibration constant-pressure alkalization measuring device according to claim 1, wherein the constant-pressure sampling assembly (7) is composed of a constant-pressure overflow cup (701) in conduction connection with the water sample sampling tube (5) and a constant-pressure overflow tube (702) arranged in the constant-pressure overflow cup (701) along a vertical direction; the lower end of the constant-pressure overflow pipe (702) is communicated and connected with the sewage disposal pool (3) through a pipeline; the constant pressure overflow cup (701) is in conduction connection with the alkalization solution pipe (4) through a pipeline, and a constant pressure sample injection valve (703) is arranged on the pipeline.
5. The integrated sampling calibration constant-pressure alkalization measuring device according to claim 1, characterized in that the pressure-stabilizing alkalization gas assembly (10) is composed of an alkalization liquid bottle (1001), an alkalization gas pipe (1002) in conductive connection between the alkalization liquid bottle (1001) and the alkalization solution pipe (4), a pressure-stabilizing air pipe (1003) in conductive connection with the alkalization liquid bottle (1001), and an air filter (1004) arranged at the free end of the pressure-stabilizing air pipe (1003).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020537601.7U CN212008400U (en) | 2020-04-13 | 2020-04-13 | Integral type sampling calibration constant voltage alkalization measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020537601.7U CN212008400U (en) | 2020-04-13 | 2020-04-13 | Integral type sampling calibration constant voltage alkalization measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212008400U true CN212008400U (en) | 2020-11-24 |
Family
ID=73413267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020537601.7U Active CN212008400U (en) | 2020-04-13 | 2020-04-13 | Integral type sampling calibration constant voltage alkalization measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212008400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366621A (en) * | 2020-04-13 | 2020-07-03 | 北京天宇沃特仪表科技有限公司 | Integral type sampling calibration constant voltage alkalization measuring device |
-
2020
- 2020-04-13 CN CN202020537601.7U patent/CN212008400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366621A (en) * | 2020-04-13 | 2020-07-03 | 北京天宇沃特仪表科技有限公司 | Integral type sampling calibration constant voltage alkalization measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101183087B (en) | Trace quantity dissolved oxygen instrument test calibration system and calibrate method thereof | |
| CN212008400U (en) | Integral type sampling calibration constant voltage alkalization measuring device | |
| CN111366621A (en) | Integral type sampling calibration constant voltage alkalization measuring device | |
| CN217384406U (en) | Test device for flow meter detection | |
| CN103091376B (en) | A kind of liquid constant flow velocity on-line analysis monitoring device | |
| CN107305193B (en) | Trace quantity dissolved oxygen instrument on-line calibration and measuring system and method | |
| CN209117622U (en) | A kind of ammonia nitrogen water quality analyzer | |
| CN112067682A (en) | Online dissolved oxygen meter zero calibration system and method | |
| CN203721111U (en) | Automatic data acquisition device for measurement of evaporation and rainfall | |
| CN216870445U (en) | Multi-channel alkalifying-adjusting sodium ion monitor | |
| CN218297753U (en) | Water sample pretreatment system applied in front of online instrument | |
| CN217359713U (en) | Pure water pH value detection device | |
| CN219302392U (en) | Device for measuring slurry parameters of absorption tower | |
| CN207964717U (en) | Flow cell and sodium ion in-line analyzer for sodium ion in-line analyzer | |
| CN221056157U (en) | Sampling detection device and sampling detection unit of alkaline water electrolysis hydrogen production system | |
| CN201400605Y (en) | Diaphragm-type clear water aeration test device | |
| CN104764556A (en) | Automatic exhaust type multi-pressure measuring pipe manometer | |
| CN204522777U (en) | A kind of hollow fiber film thread water flux on-line measuring device | |
| CN212107869U (en) | Drying section of film performance test system for drying | |
| CN216160200U (en) | Constant-current water sampling device based on fixed pressure difference | |
| CN219475584U (en) | Ground surface horizontal line sampling detection device | |
| CN212301406U (en) | Buffering and measuring device for PH meter of desulfurization absorption tower | |
| CN220228721U (en) | Pressure stabilizing and degassing tank of calorimeter calibrating device | |
| CN105277251A (en) | Liquid level meter with double measuring pipes | |
| CN215641193U (en) | Dynamic adding mark water quality on-line quality control instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |