CN214373788U - Alkaline potassium persulfate digestion equipment for water quality total nitrogen determination - Google Patents
Alkaline potassium persulfate digestion equipment for water quality total nitrogen determination Download PDFInfo
- Publication number
- CN214373788U CN214373788U CN202120064452.1U CN202120064452U CN214373788U CN 214373788 U CN214373788 U CN 214373788U CN 202120064452 U CN202120064452 U CN 202120064452U CN 214373788 U CN214373788 U CN 214373788U
- Authority
- CN
- China
- Prior art keywords
- total nitrogen
- fixedly connected
- water quality
- potassium persulfate
- colorimetric tube
- 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
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The utility model belongs to the technical field of water quality total nitrogen determination, in particular to an alkaline potassium persulfate digestion device for water quality total nitrogen determination, which comprises a colorimetric tube, wherein the colorimetric tube is fixedly sleeved with a connecting plate, one side of the top of the connecting plate is provided with a fixing component, one side of the connecting plate is rotatably connected with a limiting plate, the limiting plate is provided with a threaded hole, the limiting plate is provided with a limiting component, the threaded hole is in threaded connection with a threaded rod, the bottom of the threaded rod is rotatably connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected with a connecting block, the bottom of the connecting block is fixedly connected with a first sealing ring, the utility model has simple structure, can finish double sealing of the colorimetric tube by clockwise rotating the threaded rod, is convenient to operate and has good sealing performance, and can turn over the sealing structure to the side edge of a bottle mouth when liquid is poured into the colorimetric tube at the same time, and can not cause shielding when the liquid is poured into the colorimetric tube, the practicability is improved.
Description
Technical Field
The utility model relates to a total nitrogen determination technical field of quality of water especially relates to an equipment is cleared up to alkaline potassium persulfate for total nitrogen determination of quality of water.
Background
The total nitrogen content in water is one of important indexes for measuring water quality, the measurement of the total nitrogen content is favorable for evaluating the polluted and self-purification conditions of water bodies, and when the nitrogen and phosphorus substances in surface water exceed the standard, a large amount of microorganisms propagate, plankton grows vigorously, and the eutrophication state appears.
The total nitrogen of quality of water needs the mutually supporting of multichannel process when detecting, wherein include through the mixture of basicity potassium persulfate and sample carry out preliminary clearing up to the sample, this step needs to use the colour comparison tube to be used for the survey, and the colour comparison tube bottle plug is mostly glass material at present stage, directly block up the bottleneck with holding the bottle plug usually, so not only easy breakage, and the leakproofness is also relatively poor, can influence the accuracy of survey, so we provide a basicity potassium persulfate who is used for the total nitrogen of quality of water survey clears up equipment, a problem for solving provides.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing the alkaline potassium persulfate digestion equipment for measuring the total nitrogen in water.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an alkaline potassium persulfate digestion device for water quality total nitrogen determination comprises a colorimetric tube, wherein a connecting plate is fixedly sleeved on the colorimetric tube, a fixing component is arranged on one side of the top of the connecting plate, a limiting plate is rotatably connected on one side of the connecting plate, a threaded hole is formed in the limiting plate, a limiting component is arranged on the limiting plate, a threaded rod is connected to the threaded hole in a threaded manner, a rotating shaft is rotatably connected to the bottom of the threaded rod, a connecting block is fixedly connected to the bottom of the rotating shaft, a first sealing ring is fixedly connected to the bottom of the connecting block, a second sealing ring is fixedly mounted on the top of the colorimetric tube, the second sealing ring is matched with the first sealing ring, a telescopic rod is fixedly connected to the bottom of the connecting block, a spring is sleeved on the telescopic rod, the top of the spring is fixedly connected with the bottom of the connecting block, a rubber plug is fixedly connected to the bottom of the telescopic rod, the fixed cover of rubber buffer is equipped with the circular slab, circular slab and color comparison intraductal wall laminating.
Preferably, the outer side of the colorimetric tube is fixedly sleeved with a transparent rubber sleeve, and the outer side of the colorimetric tube is provided with scales.
Preferably, the fixing assembly comprises a connecting rod, and one end of the connecting rod is fixedly connected with a rubber cylindrical rod.
Preferably, the limiting assembly comprises a sliding hole, the sliding hole is formed in one side of the top of the limiting plate, the sliding hole is connected with a sliding rod in a sliding mode, and the bottom of the sliding rod is fixedly connected with the top of the connecting block.
Preferably, the fixed subassembly still includes to rotate and installs the rotation of limiting plate one side and detain, it detains and rubber column shape pole looks adaptation to rotate.
Preferably, the inner wall of the color comparison tube is fixedly connected with the same sealing gasket, a sealing groove is formed in the bottom of the circular plate, and the sealing groove and the sealing gasket are clamped.
The utility model has the advantages that:
1. the utility model discloses in, clockwise rotation threaded rod, the threaded rod passes through the screw hole and rotates the decline, the threaded rod drives the connecting block and descends, the connecting block drives first sealing washer decline and the laminating of second sealing washer, the connecting block drives the rubber buffer and descends, the rubber buffer drives the circular slab and descends, the circular slab drives the seal groove and descends to make sealed the pad insert in the seal groove, can accomplish the sealed to the colour comparison tube, can compress spring during the operation, make the spring have all the time to the circular slab effort, the leakproofness of sealed pad and circular slab connection has been improved, on the contrary, anticlockwise rotation threaded rod, then can remove the sealed of colour comparison tube, and the slide bar plays limiting displacement to connecting block longitudinal movement, prevent that the connecting block from rotating.
2. The utility model discloses in, when the bottleneck of colour comparison tube is opened to needs, reverse threaded rod this moment can shift out the bottleneck of colour comparison tube with the rubber buffer, then the ninety degrees of upset limiting plate for limiting plate and connecting plate are perpendicular, rotate this moment again and rotate to detain and make its cover on rubber cylindricality pole, can accomplish the fixed of limiting plate, and the colour comparison tube is poured into to the convenience with liquid.
The utility model discloses simple structure, clockwise rotation threaded rod can accomplish the colour comparison pipe double seal, convenient operation, and sealing performance is good, when pouring the colour comparison pipe into with liquid simultaneously, can overturn the bottleneck side with seal structure, can not cause to shelter from when pouring the colour comparison pipe into liquid, has improved the practicality.
Drawings
FIG. 1 is a front sectional view of an alkaline potassium persulfate digestion apparatus for measuring total nitrogen in water according to the present invention;
FIG. 2 is an enlarged view of part A of an alkaline potassium persulfate digestion apparatus for measuring total nitrogen in water according to the present invention;
fig. 3 is an enlarged view of part B of the alkaline potassium persulfate digestion apparatus for measuring total nitrogen in water according to the present invention.
In the figure: 1. calibration; 2. a transparent rubber sleeve; 3. a colorimetric cylinder; 4. a connecting plate; 5. a connecting rod; 6. a rubber cylindrical rod; 7. a limiting plate; 8. a threaded hole; 9. a threaded rod; 10. a slide bar; 11. rotating the buckle; 12. a rotating shaft; 13. connecting blocks; 14. a rubber plug; 15. a gasket; 16. a circular plate; 17. a telescopic rod; 18. a first seal ring; 19. a spring; 20. and a second seal ring.
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.
Example one
Referring to fig. 1-3, an alkaline potassium persulfate digestion device for water quality total nitrogen determination comprises a cuvette 3, the cuvette 3 is fixedly sleeved with a connecting plate 4, one side of the top of the connecting plate 4 is provided with a fixing component, one side of the connecting plate 4 is rotatably connected with a limiting plate 7, the limiting plate 7 is provided with a threaded hole 8, the limiting plate 7 is provided with a limiting component, the threaded hole 8 is in threaded connection with a threaded rod 9, the bottom of the threaded rod 9 is rotatably connected with a rotating shaft 12, the bottom of the rotating shaft 12 is fixedly connected with a connecting block 13, the bottom of the connecting block 13 is fixedly connected with a first sealing ring 18, the top of the cuvette 3 is fixedly provided with a second sealing ring 20, the second sealing ring 20 is matched with the first sealing ring 18, the bottom of the connecting block 13 is fixedly connected with a telescopic rod 17, the telescopic rod 17 is sleeved with a spring 19, the top of the spring 19 is fixedly connected with the bottom of the connecting block 13, and the bottom of the telescopic rod 17 is fixedly connected with a rubber plug 14, the rubber stopper 14 is fixedly sleeved with a circular plate 16, and the circular plate 16 is attached to the inner wall of the colorimetric tube 3.
Example two
The improvement is further based on the first embodiment: fixed cover in 3 outsides of colour comparison tube is equipped with transparent rubber sleeve 2, 3 outsides of colour comparison tube are provided with scale 1, fixed subassembly includes connecting rod 5, 5 one end fixedly connected with rubber cylindricality poles 6 of connecting rod, spacing subassembly includes the sliding hole, the sliding hole sets up in limiting plate 7 top one side, sliding hole sliding connection has slide bar 10, slide bar 10 bottom and 13 top fixed connection of connecting block, fixed subassembly is still including rotating the rotation of installing in limiting plate 7 one side and detain 11, it detains 11 and 6 looks adaptations of rubber cylindricality pole to rotate, the same sealed pad 15 of 3 inner wall fixedly connected with of colour comparison tube, the seal groove has been seted up to circular slab 16 bottom, seal groove and the sealed 15 looks blocks of filling up.
The working principle is as follows: clockwise rotation threaded rod 9, threaded rod 9 rotates through threaded hole 8 and descends, threaded rod 9 drives connecting block 13 to descend, connecting block 13 drives first sealing washer 18 to descend and to be attached to second sealing washer 20, connecting block 13 drives rubber plug 14 to descend, rubber plug 14 drives circular plate 16 to descend, circular plate 16 drives the sealing groove to descend so that sealing gasket 15 is inserted into the sealing groove, sealing to colorimetric tube 3 can be completed, spring 19 is compressed during operation, spring 19 always has an acting force on circular plate 16, sealing performance of sealing gasket 15 and circular plate 16 is improved, otherwise, counterclockwise rotation threaded rod 9 can remove sealing to colorimetric tube 3, slide rod 10 plays a limiting role in longitudinal movement of connecting block 13 to prevent connecting block 13 from rotating, when colorimetric tube 3 needs to be opened, threaded rod 9 is reversed at the moment, rubber plug 14 can be moved out of the mouth of colorimetric tube 3, then the 7 ninety degrees of upset limiting plate for limiting plate 7 and connecting plate 4 are perpendicular, rotate again this moment and rotate and detain 11 and make its cover on rubber cylindricality pole 6, can accomplish the fixed to limiting plate 7, conveniently pour liquid into in colour comparison tube 3. The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The alkaline potassium persulfate digestion equipment for water quality total nitrogen determination comprises a colorimetric tube (3) and is characterized in that a connecting plate (4) is fixedly sleeved on the colorimetric tube (3), a fixing component is arranged on one side of the top of the connecting plate (4), a limiting plate (7) is rotatably connected on one side of the connecting plate (4), a threaded hole (8) is formed in the limiting plate (7), a limiting component is arranged on the limiting plate (7), a threaded rod (9) is in threaded connection with the threaded hole (8), a rotating shaft (12) is rotatably connected at the bottom of the threaded rod (9), a connecting block (13) is fixedly connected at the bottom of the rotating shaft (12), a first sealing ring (18) is fixedly connected at the bottom of the connecting block (13), a second sealing ring (20) is fixedly mounted at the top of the colorimetric tube (3), and the second sealing ring (20) is matched with the first sealing ring (18), connecting block (13) bottom fixedly connected with telescopic link (17), telescopic link (17) cover is equipped with spring (19), spring (19) top and connecting block (13) bottom fixed connection, telescopic link (17) bottom fixedly connected with rubber buffer (14), rubber buffer (14) fixed cover is equipped with circular slab (16), circular slab (16) and colour comparison tube (3) inner wall laminate mutually.
2. The alkaline potassium persulfate digestion apparatus for water quality total nitrogen determination according to claim 1, wherein a transparent rubber sleeve (2) is fixedly sleeved outside the colorimetric tube (3), and a scale (1) is arranged outside the colorimetric tube (3).
3. The alkaline potassium persulfate digestion apparatus for total nitrogen determination of water quality as claimed in claim 1, wherein the fixing component comprises a connecting rod (5), and a rubber cylindrical rod (6) is fixedly connected to one end of the connecting rod (5).
4. The alkaline potassium persulfate digestion equipment for total nitrogen determination of water quality as claimed in claim 1, wherein the limiting component comprises a sliding hole, the sliding hole is arranged at one side of the top of the limiting plate (7), the sliding hole is connected with a sliding rod (10) in a sliding manner, and the bottom of the sliding rod (10) is fixedly connected with the top of the connecting block (13).
5. The alkaline potassium persulfate digestion apparatus for total nitrogen determination of water quality as claimed in claim 3, wherein the fixing assembly further comprises a rotating button (11) rotatably mounted on one side of the limiting plate (7), and the rotating button (11) is matched with the rubber cylindrical rod (6).
6. The alkaline potassium persulfate digestion equipment for total nitrogen determination of water quality as claimed in claim 1, wherein the same sealing gasket (15) is fixedly connected to the inner wall of the colorimetric tube (3), the bottom of the circular plate (16) is provided with a sealing groove, and the sealing groove and the sealing gasket (15) are clamped with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120064452.1U CN214373788U (en) | 2021-01-11 | 2021-01-11 | Alkaline potassium persulfate digestion equipment for water quality total nitrogen determination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120064452.1U CN214373788U (en) | 2021-01-11 | 2021-01-11 | Alkaline potassium persulfate digestion equipment for water quality total nitrogen determination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214373788U true CN214373788U (en) | 2021-10-08 |
Family
ID=77954644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120064452.1U Active CN214373788U (en) | 2021-01-11 | 2021-01-11 | Alkaline potassium persulfate digestion equipment for water quality total nitrogen determination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214373788U (en) |
-
2021
- 2021-01-11 CN CN202120064452.1U patent/CN214373788U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214373788U (en) | Alkaline potassium persulfate digestion equipment for water quality total nitrogen determination | |
| CN210604037U (en) | Environment detection sampler | |
| CN207423583U (en) | Hydrophore | |
| CN217112099U (en) | Detection apparatus for mechanism sand MB value | |
| CN211122149U (en) | Be used for water quality testing sampling device | |
| CN201819816U (en) | Water quality sampler | |
| CN212622249U (en) | Device for quickly detecting chloride ion content of sand for building | |
| CN210922931U (en) | Portable multifunctional anti-overflow U-shaped pressure gauge | |
| CN208975831U (en) | A kind of drinking water trace detection buret | |
| CN206459925U (en) | A kind of settling ratio tests special graduated cylinder | |
| CN217180090U (en) | Water quality monitoring stratified sampling device | |
| CN217918976U (en) | Multifunctional disinfectant liquid containing bottle | |
| CN110398394A (en) | A kind of black water water sampler | |
| CN213813236U (en) | Ceramic tile water absorption detection device | |
| CN214473278U (en) | Water quality testing device for city environmental protection | |
| CN210742285U (en) | Reaction cup for full-automatic biochemical analyzer | |
| CN100498289C (en) | Cadmium determination solution and colorimetric determination tube therefor | |
| CN217059506U (en) | Suspended sand filtering and sampling quantitative filling device | |
| CN219284752U (en) | Water quality sampler | |
| CN219810674U (en) | Liquid sampling metering equipment | |
| CN217738748U (en) | Different degree of depth water sample sampler | |
| CN218641353U (en) | Neutralizer sampling bottle | |
| CN217359175U (en) | Chemical examination sampling device | |
| CN213689368U (en) | Portable water quality detection case | |
| CN214894279U (en) | Surface water field sampling sedimentation barrel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An alkaline potassium persulfate digestion equipment for determining total nitrogen in water quality Effective date of registration: 20230731 Granted publication date: 20211008 Pledgee: Bank of China Limited Wuhan Jiang'an sub branch Pledgor: WUHAN JINGLAN DETECTION CO.,LTD. Registration number: Y2023980050331 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |