CN114252486B - Method for detecting ammonia nitrogen content in sewage - Google Patents
Method for detecting ammonia nitrogen content in sewage Download PDFInfo
- Publication number
- CN114252486B CN114252486B CN202111618849.1A CN202111618849A CN114252486B CN 114252486 B CN114252486 B CN 114252486B CN 202111618849 A CN202111618849 A CN 202111618849A CN 114252486 B CN114252486 B CN 114252486B
- Authority
- CN
- China
- Prior art keywords
- stirring
- sleeve
- elastic
- plate
- fixedly connected
- 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
- 239000010865 sewage Substances 0.000 title claims abstract description 23
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 97
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 11
- 239000000243 solution Substances 0.000 claims abstract description 8
- 239000011550 stock solution Substances 0.000 claims abstract description 7
- 238000011088 calibration curve Methods 0.000 claims abstract description 6
- BDOYKFSQFYNPKF-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetic acid;sodium Chemical compound [Na].[Na].OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O BDOYKFSQFYNPKF-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000008139 complexing agent Substances 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims abstract 2
- 230000007246 mechanism Effects 0.000 claims description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 18
- 238000002360 preparation method Methods 0.000 abstract description 16
- 238000005452 bending Methods 0.000 abstract description 7
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000011049 filling Methods 0.000 abstract description 2
- 230000005489 elastic deformation Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical class [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/304—Gas permeable electrodes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a method for detecting ammonia nitrogen content in sewage, which relates to the technical field of component detection methods and comprises the following steps: step one, sewage sampling and preparation of various reagents, step two, preparation of instruments and devices, step three, drawing of a calibration curve, step four, measurement and analysis of a sewage water sample, wherein the step one also comprises preparation of an ammonium standard stock solution, preparation of an electrode internal filling solution and preparation of an ethylenediamine tetraacetic acid disodium complexing agent. According to the invention, the sliding ball, the soft support base and the elastic connection bending plate are adopted to cooperate, the soft support base is used for providing vertical support for the stirring measuring cup, the elastic support block in the soft support base is used for counteracting part of vertical extrusion force generated by vibration, and the elastic connection bending plate is used for providing buffering and support for the stirring measuring cup transversely, so that the problem that reagents in the stirring measuring cup are scattered due to vibration is avoided.
Description
Technical Field
The invention relates to an ammonia nitrogen content detection method, relates to the technical field of component detection methods, and in particular relates to an ammonia nitrogen content detection method in sewage.
Background
With the rapid development of economy and the lag of environmental detection means and protection measures, a large amount of industrial and domestic wastewater is directly discharged into rivers and lakes until the ocean. The water tank contains a large amount of ammonia nitrogen compounds, damages the water environment, causes water eutrophication, and directly threatens the safety of resident life drinking water. Therefore, ammonia nitrogen is one of the main indexes for monitoring the water environment. In addition, nitrite present in water can also be reduced to ammonia by microorganisms in an anaerobic environment. In an aerobic environment, ammonia in water can also be converted to nitrite, and even continue to be converted to nitrate. The determination of various forms of nitrogen compounds in water is helpful for evaluating the pollution and self-cleaning conditions of water, and toxic effects can be presented to fishes when the ammonia nitrogen content is high.
The following problems exist in the prior art:
Before detecting the ammonia nitrogen content in sewage, various reagents are usually required to be prepared first, and a stirring device used in the reagent preparation process can be vibrated to enable the reagents to be scattered, so that the accuracy of detection results is affected.
Disclosure of Invention
The invention provides a method for detecting ammonia nitrogen content in sewage, which aims to solve the problem that the accuracy of a detection result is affected due to the fact that reagents are scattered due to vibration in order to have the capability of reducing vibration of a stirring device; another purpose is to solve the problem that the preparation time is long due to poor solubility of part of the reagents or slow reaction speed, so as to achieve the effect of improving the detection efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme:
the method for detecting the ammonia nitrogen content in the sewage comprises the following steps:
Step one, sampling sewage and preparing each reagent;
Step two, preparing an instrument and a device;
Drawing a calibration curve;
And step four, measuring and analyzing the sewage water sample.
The technical scheme of the invention is further improved as follows: the first step also comprises the preparation of an ammonium standard stock solution, the preparation of an electrode internal liquid and an ethylenediamine tetraacetic acid disodium complexing agent, and the preparation of ammonium standard use solutions with different concentrations through the ammonium standard stock solution.
The technical scheme of the invention is further improved as follows: and step two, preparing experimental equipment required by debugging of the ammonia-sensitive composite electrode, the ion meter and the electromagnetic stirrer and other detection processes.
The invention also provides an electromagnetic stirrer, which comprises an electromagnetic stirrer main body and a stirring rod, wherein the stirring rod is arranged on the outer surface of the electromagnetic stirrer main body, the upper surface of the electromagnetic stirrer main body is fixedly connected with a fixed sleeve, and a stirring measuring cup is arranged in the fixed sleeve, and the electromagnetic stirrer is characterized in that: be provided with damper between fixed sleeve and the stirring graduated flask, damper is including the slip ball, one side surface and fixed sleeve's inner wall fixed connection of slip ball, fixed sleeve's inside is provided with elastic connection bent plate and elasticity sleeve plate, be provided with supplementary rabbling mechanism on the surface of stirring rod, supplementary rabbling mechanism is including the puddler, the one end and the surface fixed connection of stirring rod of puddler, the bottom of puddler is provided with stirring sleeve plate and connection sleeve plate, utilizes elastic connection bent plate. The elastic sleeve plate, the stirring sleeve plate and the connecting sleeve plate are matched together, so that vibration generated in the using process of the device is weakened, and meanwhile, the preparation time of each reagent is shortened.
The technical scheme of the invention is further improved as follows: the surface swing joint of slip ball and stirring graduated flask, fixed sleeve's inner chamber bottom fixedly connected with soft support base, the inside evenly distributed of soft support base has the elastic support piece, the upper surface of soft support base and the lower surface swing joint of stirring graduated flask, one side and the fixed sleeve's of elastic connection bent plate inner wall fixed connection are through the joint cooperation of slip ball, soft support base and elastic connection bent plate for there is more stable bearing structure between stirring graduated flask and the fixed sleeve.
The technical scheme of the invention is further improved as follows: the device comprises a flexible connecting bent plate, a sliding rod, a spring sleeve plate, a sliding rod, a spring and a spring sleeve plate, wherein the two ends of the flexible connecting bent plate are respectively and movably connected with the sliding rod, one end of the sliding rod is movably connected with the inner side of the flexible connecting bent plate, the spring is fixedly connected to the outer surface of the sliding rod, the outer surfaces of the two ends of the spring sleeve plate are respectively and fixedly connected with the inner side of the flexible connecting bent plate, and the sliding rod, the spring and the spring sleeve plate are matched together, so that the device weakens impact force generated by vibration through the matching of different structures during vibration.
The technical scheme of the invention is further improved as follows: the inner wall of the elastic sleeve plate is movably connected with a transverse supporting rod and a vertical supporting rod, one end of the transverse supporting rod is movably connected with a folding line plate, the inner side of the folding line plate is fixedly connected with an elastic rope, and the transverse supporting rod, the vertical supporting rod, the folding line plate and the elastic rope are matched together, so that vibration generates extrusion force, and part of the extrusion force is counteracted by elastic acting force.
The technical scheme of the invention is further improved as follows: one end fixedly connected with stirring plate of puddler, the upper surface of connecting the sleeve board and the one end fixed connection of stirring rod, one side surface of stirring sleeve board and the surface fixed connection of connecting the sleeve board adopt stirring plate, puddler to connect sleeve board and stirring sleeve board cooperation jointly, stir reagent evenly.
The technical scheme of the invention is further improved as follows: the inside of stirring sleeve board is provided with the hybrid tube, fixedly connected with baffle on the inner wall of connection sleeve board, the drain groove has been seted up on the surface of baffle, the inside evenly distributed of connection sleeve board has the stirring ball, the outflow groove has been seted up to the lower surface of connection sleeve board, cooperates jointly through hybrid tube, baffle, drain groove and stirring ball for reagent fully contacts in stirring sleeve board and connection sleeve board inside, and abundant reaction or misce bene.
By adopting the technical scheme, compared with the prior art, the invention has the following technical progress:
1. The invention provides a method for detecting ammonia nitrogen content in sewage, which adopts the cooperation between a sliding ball, a soft supporting base and an elastic connecting bent plate, wherein the soft supporting base is used for providing vertical support for a stirring measuring cup, the elastic supporting block in the soft supporting base is used for counteracting part of vertical extrusion force generated by vibration, and the elastic connecting bent plate is used for transversely providing buffering and support for the stirring measuring cup so as to avoid the problem that reagents in the stirring measuring cup are scattered due to vibration.
2. The invention provides a method for detecting ammonia nitrogen content in sewage, which adopts the cooperation among an elastic connecting bent plate, a sliding rod, a spring and an elastic sleeve plate, when vibration generates transverse extrusion force, the elastic connecting bent plate and the elastic sleeve plate are elastically deformed by the extrusion force, the sliding rod is pushed to move along the inner side of the elastic connecting bent plate, the spring is stretched, the elastic deformation of the structure has the characteristic of restoring deformation trend, the transverse extrusion force generated by vibration is weakened, and the accuracy of a detection result is ensured.
3. The invention provides a method for detecting ammonia nitrogen content in sewage, which adopts the cooperation among a stirring rod, a stirring plate, a stirring sleeve plate and a connecting sleeve plate, when the stirring rod starts to rotate, the stirring rod and the stirring plate are driven to stir reagents so as to enable the reagents to be uniformly mixed and fully reacted, and meanwhile, the reagents are enabled to pass through a plurality of movement modes in a stirring measuring cup through the stirring sleeve plate and the connecting sleeve plate, so that the contact area is increased, the mutual contact is more sufficient, the uniform mixing or complete reaction of the reagents is ensured, the time of a detection preparation process is shortened, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic flow chart of the present invention;
FIG. 2 is a schematic perspective view of a structural electromagnetic stirrer body of the present invention;
FIG. 3 is a schematic cross-sectional view of a structural vibration damping mechanism of the present invention;
FIG. 4 is an enlarged schematic view of structure A of the present invention;
FIG. 5 is a schematic top view of the structure-assisted stirring mechanism of the present invention;
FIG. 6 is a schematic cross-sectional view of a structurally assisted stirring mechanism according to the present invention.
In the figure: 1. an electromagnetic stirrer body; 11. a fixed sleeve; 12. stirring the measuring cup; 2. a stirring rod;
3. A damping mechanism; 31. a sliding ball; 32. a soft support base; 33. elastic connecting bending plate; 34. a slide bar; 35. a spring; 36. an elastic sleeve plate; 361. a transverse support bar; 362. a vertical support rod; 363. a fold line plate; 364. an elastic rope;
4. An auxiliary stirring mechanism; 41. a stirring rod; 42. a stirring plate; 43. stirring sleeve plate; 431. a mixing tube; 44. connecting sleeve plates; 441. a partition plate; 442. a liquid leakage groove; 443. stirring ball.
Detailed Description
The invention is further illustrated by the following examples:
example 1
As shown in fig. 1-6, the invention provides a method for detecting ammonia nitrogen content in sewage, which comprises the following steps:
step one, sewage sampling and preparation of each reagent, including preparation of an ammonium standard stock solution, preparation of an electrode internal filling solution and an ethylenediamine tetraacetic acid disodium complexing agent, and preparation of ammonium standard use solutions with different concentrations through the ammonium standard stock solution;
step two, preparing instruments and devices, including debugging of an ammonia-sensitive composite electrode, an ion meter and an electromagnetic stirrer and preparing experimental equipment required by other detection processes;
Drawing a calibration curve, namely measuring ammonium standard use solutions with different concentrations respectively, recording stable potential values, and drawing the calibration curve;
And step four, measuring and analyzing the sewage water sample, absorbing a proper amount of the sewage water sample, performing the same operation as the step three, and directly checking the ammonia nitrogen content of the water sample on a calibration curve through the measured potential value.
Example 2
As shown in fig. 1 to 6, on the basis of embodiment 1, the invention provides an electromagnetic stirrer, which comprises an electromagnetic stirrer main body 1 and a stirring rod 2, wherein the stirring rod 2 is arranged on the outer surface of the electromagnetic stirrer main body 1, the upper surface of the electromagnetic stirrer main body 1 is fixedly connected with a fixed sleeve 11, and a stirring measuring cup 12 is arranged inside the fixed sleeve 11, and the electromagnetic stirrer is characterized in that: the utility model provides a stirring and measuring device is characterized in that a damping mechanism 3 is arranged between fixed sleeve 11 and stirring measuring glass 12, damping mechanism 3 is including sliding ball 31, one side surface of sliding ball 31 and the inner wall fixed connection of fixed sleeve 11, the inside of fixed sleeve 11 is provided with elastic connection bent plate 33 and elastic sleeve plate 36, be provided with supplementary rabbling mechanism 4 on the surface of stirring rod 2, supplementary rabbling mechanism 4 is including puddler 41, the one end of puddler 41 and the surface fixed connection of stirring rod 2, the bottom of puddler 41 is provided with stirring sleeve plate 43 and connection sleeve plate 44, the surface of sliding ball 31 and the surface swing joint of stirring measuring glass 12, the inner chamber bottom fixed connection of fixed sleeve 11 has soft support base 32, the inside evenly distributed of soft support base 32 has elastic support piece, the upper surface of soft support base 32 and the lower surface swing joint of stirring measuring glass 12, one side of elastic connection bent plate 33 and the inner wall fixed connection of fixed sleeve 11, the both ends of elastic connection bent plate 33 respectively swing joint has sliding rod 34 and the inside of elastic sleeve plate 33, the both ends of elastic connection bent plate 34 are connected with the surface fixed connection of elastic sleeve plate 33 respectively on the surface of sliding rod 33.
In this embodiment, first, the flexible support base 32 provides vertical support for the stirring measuring cup 12, and through the elastic support block inside the flexible support base 32, the vertical extrusion force generated by vibration counteracts a part, when the vibration generates the transverse extrusion force, the elastic connection bending plate 33 and the elastic sleeve plate 36 are elastically deformed by the extrusion force, the sliding rod 34 is pushed to move along the inner side of the elastic connection bending plate 33, the spring 35 is stretched, the elastic deformation of the above structure has the characteristic of restoring deformation trend, the transverse extrusion force generated by vibration is weakened, and the accuracy of the detection result is ensured.
Example 3
As shown in fig. 1-6, on the basis of embodiment 1 and embodiment 2, the present invention provides a technical solution: preferably, the inner wall of the elastic sleeve plate 36 is movably connected with a transverse supporting rod 361 and a vertical supporting rod 362, one ends of the transverse supporting rod 361 and the vertical supporting rod 362 are movably connected with a folding line plate 363, and the inner side of the folding line plate 363 is fixedly connected with an elastic rope 364.
In this embodiment, when the elastic sleeve plate 36 is elastically deformed by the lateral extrusion force, the lateral support rod 361 cooperates with the vertical support rod 362 to push the fold line plate 363 to fold, stretch the elastic rope 364, cooperate with the elastic sleeve plate 36 that is elastically deformed to generate elastic acting force opposite to the extrusion force direction, offset a part of the extrusion force generated by vibration, avoid the problem of sprinkling the reagent inside the stirring measuring cup 12, and ensure the accuracy of the detection result.
Example 4
As shown in fig. 1-6, on the basis of embodiment 1, embodiment 2 and embodiment 3, the present invention provides a technical solution: preferably, one end fixedly connected with stirring rod 41 stirring plate 42, the upper surface of connection sleeve plate 44 and the one end fixed connection of stirring rod 2, the surface of one side of stirring sleeve plate 43 and the surface fixed connection of connection sleeve plate 44, the inside of stirring sleeve plate 43 is provided with mixing tube 431, fixedly connected with baffle 441 on the inner wall of connection sleeve plate 44, leak groove 442 has been seted up on the surface of baffle 441, the inside evenly distributed of connection sleeve plate 44 has stirring ball 443, the outflow groove has been seted up to the lower surface of connection sleeve plate 44.
In this embodiment, when the stirring rod 2 starts to rotate, the stirring rod 41 and the stirring plate 42 are driven to stir the reagent, so that the reagent is primarily mixed uniformly and fully reacted, meanwhile, the reagent enters into the mixing tube 431 and the connecting sleeve plate 44 inside the stirring sleeve plate 43, and the reagent collides with each other inside the stirring measuring cup 12 under the action of the partition plate 441, the liquid leakage groove 442 and the stirring ball 443, so that various movement modes are generated, the contact area is increased, the mutual contact is more sufficient, the reagent is ensured to be uniformly mixed or fully reacted, the time for preparing the detection process is shortened, and the detection efficiency is improved.
The working principle of the method for detecting the ammonia nitrogen content in the sewage is specifically described below.
As shown in fig. 1-6, the flexible support base 32 is used for providing vertical support for the stirring measuring cup 12, and the elastic support block in the flexible support base 32 is used for counteracting a part of vertical extrusion force generated by vibration, when the vibration generates transverse extrusion force, the elastic connection bending plate 33 and the elastic sleeve plate 36 are subjected to extrusion force to generate elastic deformation, the sliding rod 34 is pushed to move along the inner side of the elastic connection bending plate 33, the spring 35 is stretched, the elastic deformation of the structure has the characteristic of restoring deformation trend, the transverse extrusion force generated by vibration is weakened, when the stirring rod 2 starts to rotate, the stirring rod 41 and the stirring plate 42 are firstly driven to stir the reagent, so that the reagent is primarily uniformly mixed and fully reacted, and meanwhile, the reagent enters the mixing tube 431 and the connecting sleeve plate 44 in the stirring sleeve plate 43 to be matched with the functions of the partition plate 441, the liquid leakage groove 442 and the stirring ball 443, so that the reagent collides with each other in the stirring measuring cup 12 to generate various movement modes, the contact area is increased, and the mutual contact is more sufficient, and the uniform mixing or complete reaction of the reagent is ensured.
The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (1)
1. A method for detecting ammonia nitrogen content in sewage is characterized by comprising the following steps: the method for detecting the ammonia nitrogen content in the sewage comprises the following steps:
Step one, sampling sewage and preparing each reagent;
Step two, preparing an instrument and a device;
Drawing a calibration curve;
step four, sewage water sample measurement and analysis;
Preparing an ammonium standard stock solution, preparing an electrode internal liquid and an ethylenediamine tetraacetic acid disodium complexing agent, and preparing ammonium standard use solutions with different concentrations through the ammonium standard stock solution;
The second step also comprises the steps of debugging the ammonia-sensitive composite electrode, the ion meter and the electromagnetic stirrer and preparing experimental equipment required by other detection processes;
The electromagnetic stirrer comprises an electromagnetic stirrer main body (1) and a stirring rod (2), wherein the stirring rod (2) is arranged on the outer surface of the electromagnetic stirrer main body (1), the upper surface of the electromagnetic stirrer main body (1) is fixedly connected with a fixed sleeve (11), a stirring measuring cup (12) is arranged in the fixed sleeve (11), a damping mechanism (3) is arranged between the fixed sleeve (11) and the stirring measuring cup (12), the damping mechanism (3) comprises a sliding ball (31), the outer surface of one side of the sliding ball (31) is fixedly connected with the inner wall of the fixed sleeve (11), an elastic connecting bent plate (33) and an elastic sleeve plate (36) are arranged in the fixed sleeve (11), an auxiliary stirring mechanism (4) is arranged on the outer surface of the stirring rod (2), one end of the stirring rod (41) is fixedly connected with the outer surface of the stirring rod (2), and a stirring sleeve plate (43) and a connecting sleeve plate (44) are arranged at the bottom of the stirring rod (41).
The outer surface of the sliding ball (31) is movably connected with the outer surface of the stirring measuring cup (12), a soft supporting base (32) is fixedly connected with the bottom of the inner cavity of the fixed sleeve (11), elastic supporting blocks are uniformly distributed in the soft supporting base (32), the upper surface of the soft supporting base (32) is movably connected with the lower surface of the stirring measuring cup (12), one side of the elastic connecting bent plate (33) is fixedly connected with the inner wall of the fixed sleeve (11), two ends of the elastic connecting bent plate (33) are respectively and movably connected with a sliding rod (34), one end of the sliding rod (34) is movably connected with the inner side of the elastic connecting bent plate (33), a spring (35) is fixedly connected with the outer surface of the outer side of the sliding rod (34), two end outer surfaces of the elastic sleeve plate (36) are respectively and fixedly connected with the inner side of the elastic sleeve plate (36), a transverse supporting rod (362) and a vertical supporting rod (362) are movably connected with the inner side of the inner wall of the elastic sleeve plate (36), one end of the transverse supporting rod (362) is movably connected with the inner side of the vertical supporting rod (361), and the inner side of the elastic sleeve plate (363) is fixedly connected with a folding line (363);
One end fixedly connected with stirring board (42) of puddler (41), the upper surface of connecting sleeve board (44) and the one end fixed connection of stirring rod (2), the surface fixed connection of one side surface of stirring sleeve board (43) and connecting sleeve board (44) the inside of stirring sleeve board (43) is provided with mixing tube (431), fixedly connected with baffle (441) on the inner wall of connecting sleeve board (44), leakage groove (442) have been seted up on the surface of baffle (441), the inside evenly distributed of connecting sleeve board (44) has stirring ball (443), the outflow groove has been seted up to the lower surface of connecting sleeve board (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111618849.1A CN114252486B (en) | 2021-12-28 | 2021-12-28 | Method for detecting ammonia nitrogen content in sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111618849.1A CN114252486B (en) | 2021-12-28 | 2021-12-28 | Method for detecting ammonia nitrogen content in sewage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114252486A CN114252486A (en) | 2022-03-29 |
| CN114252486B true CN114252486B (en) | 2024-05-28 |
Family
ID=80798297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111618849.1A Active CN114252486B (en) | 2021-12-28 | 2021-12-28 | Method for detecting ammonia nitrogen content in sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114252486B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714572A (en) * | 2022-04-21 | 2022-07-08 | 但明安 | Multistation accuse temperature injection molding machine |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034681A (en) * | 2014-06-26 | 2014-09-10 | 南通永康检测技术有限公司 | Method for detecting content of ammonia nitrogen in sewage |
| CN106568816A (en) * | 2016-10-26 | 2017-04-19 | 中国石油化工股份有限公司 | Reagent and method for rapidly measuring ammonia nitrogen content of oil refining sewage through electrode method |
| CN206366326U (en) * | 2017-01-09 | 2017-08-01 | 广州旭妆生物科技有限公司 | A kind of raw material blending device produced for skin-care cosmetics |
| CN206661096U (en) * | 2017-04-21 | 2017-11-24 | 西南石油大学 | A kind of petroleum geology sample experimental device |
| CN207507390U (en) * | 2017-10-23 | 2018-06-19 | 长江大学 | A kind of coating uniformly mixes mechanical device |
| CN109464929A (en) * | 2018-09-14 | 2019-03-15 | 韦绍财 | Continous way solid-liquid mixer |
| CN211122549U (en) * | 2019-12-05 | 2020-07-28 | 山东鲁美克环境工程有限公司 | Medical institution waste water ammonia nitrogen detection device |
| CN213286628U (en) * | 2020-09-18 | 2021-05-28 | 河南科莫特生物科技有限公司 | Magnetic stirrer for bio-pharmaceuticals |
| CN213337424U (en) * | 2020-07-02 | 2021-06-01 | 广西夏阳环保科技有限公司 | Sewage ammonia nitrogen rapid detection device |
| CN113171725A (en) * | 2021-04-05 | 2021-07-27 | 李洪辉 | Feed stirring device |
| CN113385059A (en) * | 2021-06-25 | 2021-09-14 | 邓杰 | Compaction treatment equipment |
-
2021
- 2021-12-28 CN CN202111618849.1A patent/CN114252486B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034681A (en) * | 2014-06-26 | 2014-09-10 | 南通永康检测技术有限公司 | Method for detecting content of ammonia nitrogen in sewage |
| CN106568816A (en) * | 2016-10-26 | 2017-04-19 | 中国石油化工股份有限公司 | Reagent and method for rapidly measuring ammonia nitrogen content of oil refining sewage through electrode method |
| CN206366326U (en) * | 2017-01-09 | 2017-08-01 | 广州旭妆生物科技有限公司 | A kind of raw material blending device produced for skin-care cosmetics |
| CN206661096U (en) * | 2017-04-21 | 2017-11-24 | 西南石油大学 | A kind of petroleum geology sample experimental device |
| CN207507390U (en) * | 2017-10-23 | 2018-06-19 | 长江大学 | A kind of coating uniformly mixes mechanical device |
| CN109464929A (en) * | 2018-09-14 | 2019-03-15 | 韦绍财 | Continous way solid-liquid mixer |
| CN211122549U (en) * | 2019-12-05 | 2020-07-28 | 山东鲁美克环境工程有限公司 | Medical institution waste water ammonia nitrogen detection device |
| CN213337424U (en) * | 2020-07-02 | 2021-06-01 | 广西夏阳环保科技有限公司 | Sewage ammonia nitrogen rapid detection device |
| CN213286628U (en) * | 2020-09-18 | 2021-05-28 | 河南科莫特生物科技有限公司 | Magnetic stirrer for bio-pharmaceuticals |
| CN113171725A (en) * | 2021-04-05 | 2021-07-27 | 李洪辉 | Feed stirring device |
| CN113385059A (en) * | 2021-06-25 | 2021-09-14 | 邓杰 | Compaction treatment equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114252486A (en) | 2022-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114252486B (en) | Method for detecting ammonia nitrogen content in sewage | |
| CN1719233A (en) | Fast determination method of chemical oxygen demand | |
| CN109187395A (en) | The measuring method of total phosphorus content in a kind of detergent | |
| CN102735714A (en) | Particle organic carbon and total organic carbon determinator and determination method | |
| CN101169411A (en) | Ammonia diagnosis/determination reagent kit and ammonia concentration determination method | |
| CN208313963U (en) | A kind of sewage monitoring device | |
| CN213337424U (en) | Sewage ammonia nitrogen rapid detection device | |
| CN201285374Y (en) | Gradually outputting colorimetric process ammonia-nitrogen analyzer | |
| CN203705296U (en) | Device for rapidly measuring content of calcium carbonate in soil | |
| CN100498289C (en) | Cadmium determination solution and colorimetric determination tube therefor | |
| CN201673075U (en) | Fixed depth water quality sampler | |
| CN209467495U (en) | Bladder chalone C determining reagent kit | |
| Salanitro et al. | Aerobic biodegradability of surfactants at low concentrations using an automated pressure transducer system | |
| CN201926626U (en) | Online total alkalinity testing device | |
| CN112378869B (en) | Method for detecting residual quantity of catalyst in polysulfide silane coupling agent | |
| CN2840020Y (en) | Nickel colorimetric estimation cylinder | |
| CN213957395U (en) | Static immersion test device for evaluating heavy metal secondary pollutants | |
| CN101368911A (en) | Chemiluminescence system and method for measuring dissolved oxygen | |
| CN2884184Y (en) | Colorimetric estimation tube for cadmium | |
| CN201322749Y (en) | Porous device for diagnostic checking | |
| CN116626122A (en) | Sensor and method for detecting chemical oxygen demand of water body | |
| CN112067416A (en) | Buffer solution and method for measuring ammonia nitrogen content in sewage by electrode method | |
| CN113125425A (en) | Water quality multi-parameter online monitoring device based on micro-fluidic chip | |
| CN114858772A (en) | Method for rapidly determining total mercury in soil | |
| CN108287213A (en) | The Portable bottle agent quickly detected suitable for the high chlorine root sanitary sewage COD of production platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |