CN209432704U - A kind of detection device of Ammonia In Sea Water nitrogen content - Google Patents
A kind of detection device of Ammonia In Sea Water nitrogen content Download PDFInfo
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- CN209432704U CN209432704U CN201821516476.0U CN201821516476U CN209432704U CN 209432704 U CN209432704 U CN 209432704U CN 201821516476 U CN201821516476 U CN 201821516476U CN 209432704 U CN209432704 U CN 209432704U
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- cucurbit
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Abstract
The utility model provides a kind of detection device of Ammonia In Sea Water nitrogen content, including filtering flask, cucurbit and colorimetric cylinder；It is provided with the filter screen of multilayer in filtering flask, sample is filtered, and then the gas in sample is separated by the way that the Internal baffle being interspersed in filtering flask is arranged in；Sample is distilled in cucurbit therewith, demarcation plate is set in cucurbit, interfering ion when ebuillition of heated bubble will not be made to burst in water sample enters in distillate, in the sample flow to colorimetric cylinder after distillation, is detected in next step using Na's colorimetry.The utility model to greatest extent in filtering and to remove include impurity and gas in sample, to greatest extent in eliminate the influence of impurity and gas to testing result is made.
Description
Technical field
The utility model belongs to water quality detection equipment technical field, and in particular to a kind of detection dress of Ammonia In Sea Water nitrogen content
It sets.
Background technique
Currently, Na Shi colorimetric measurement is to measure the conventional method of ammonia nitrogen in water body.Its principle is the ammonia or ammonium with free state
Ammonia nitrogen existing for the form of ion reacts the complex compound for generating yellowish-brown, coloration containing in ammonia nitrogen of the complex compound with nessler reagent
It measures directly proportional.But due to including a large amount of calcium and magnesium ion in seawater, these calcium and magnesium ions are easy to and nessler reagent is sent out
Raw reaction causes water sample muddy and interference measurement, the plurality of impurities such as a large amount of planktonic organism is in addition contained in collected seawater,
The coloration for influencing test sample, equally can also cause huge deviation to testing result；In addition also contain a large amount of gas in seawater
The presence of nitrogen also influences whether the accuracy of detection in body gas.Therefore it is needed before being detected to sample to detected liquid
It is pre-processed accordingly.
Summary of the invention
In order to solve the problems in the existing technology, the prior art is improved, the utility model provides one kind
The detection device of Ammonia In Sea Water nitrogen content.By the impurity in filter membrane primary filtration sample, then pass through adsorbed film, on adsorbed film
Alum is placed, further the impurity in sample is cleared up.Then sample is distilled, eliminates calcium in sample magnesium ion pair
The influence of testing result.
The utility model is achieved through the following technical solutions foregoing invention purpose.
Filter screen, filtering flask is arranged in the bottleneck of a kind of detection device of Ammonia In Sea Water nitrogen content, including filtering flask, filtering flask
Bottom of bottle be also provided with liquid outlet, liquid outlet is connected with cucurbit by the first connecting tube；Cucurbit is connected by the second connecting tube
It is connected to condenser pipe；Condenser pipe is connected with colorimetric cylinder by third connecting tube；
The inner wall of filtering flask is provided with several Internal baffles being parallel to each other from top to bottom；The Internal baffle is in filtering flask
Inner wall is staggered, and each Internal baffle is parallel to the bottom of bottle of filtering flask；Filtering flask side bottle body above Internal baffle
It is equipped with the first venthole, and the height of the first venthole is lower than the height of filter screen；
Filter screen includes the bottleneck for being overlapped on filtering flask, and to the interior screen frame of filtering flask bottle inner recess, and is embedded in
Intranet on interior screen frame；The middle screen frame of oriented filtering flask bottle inner recess is overlapped on interior screen frame, is embedded with middle net on middle screen frame, in
The outer screen frame of oriented filtering flask bottle inner recess is overlapped on screen frame, is embedded with outer net on outer screen frame；
Intranet uses 0.25. μm of acetate fiber filter membrane；The twine of middle net is hollow structure, and the inside of twine has been filled with
Active carbon, the mesh diameter of middle net are 0.5mm-1mm, and outer net uses carbon fibre reinforcement, and the mesh aperture of outer net is 1mm-
2mm；
Active carbon is the form of spherical particles structure that particle diameter is 0.2mm-0.3mm, active carbon be filled in it is online each other
Twine hollow interior between adjacent twine intersection point.
Cucurbit uses flat bottle, and the integral middle connection of cucurbit is parallel to the demarcation plate of cucurbit bottom of bottle, separates
Plate center opening；First connecting tube and the second connecting tube are connected on the bottle body of the cucurbit above demarcation plate；Cucurbit
Top bottle mouth position is equipped with bottle stopper, and the second venthole is additionally provided on bottle stopper；Adjustable electric furnace is placed with below cucurbit.
The lower section of interior screen frame is also connected with a funnel-form collector-shoe gear, and the bottom of collector-shoe gear is provided with confluence hole.
Condenser pipe includes inner and outer tubes, and inner tube is in closing outer tube, inner tube both ends nozzle and extraneous connection, inner tube two
End pipe mouth one terminates the second connecting tube, and the other end connects third connecting tube；The outer tube is equipped with the water inlet for leading to cooling water
Mouth and water outlet.
It is connected with the first shut-off valve in first connecting tube, the second shut-off valve is connected in third connecting tube.
Colorimetric cylinder uses plastic cup.
Colorimetric spout part is equipped with sealing-plug, and third connecting tube is inserted into colorimetric cylinder out of sealing-plug.
The quantity at least two of Internal baffle.
Internal baffle includes an arcuation side and straight line, and the arcuation side of Internal baffle is fixedly connected with filtering flask inner wall；Interior gear
Area of section where plate is greater than it at bottle body.
Compared with prior art, the utility model at least has the advantages that
Further, it in the downside of filter screen, is fixed with and is interspersed, and be parallel to the Internal baffle of filtering flask bottom surface, by
It is different from the density of liquid in gas, when liquid flows together with gas mixing, encounter the blocking of Internal baffle, gas can baffling and
It walks, and liquid continues have a forward speed due to inertia, forward liquid is attached to the work stopped on wall surface due to gravity
With pooling together downwards.Gas then passes through the venthole discharge being arranged on filtering flask bottle body, and then is discharged and is included in sample
In gas.
Further, the integral middle connection of cucurbit is parallel to the demarcation plate of cucurbit bottom of bottle, and demarcation plate center is opened
Hole, water sample to be measured will not be such that the interfering ion in water sample enters in distillate when ebuillition of heated bubble is burst, water sample examination to be measured
Agent bottom of bottle portion comes into contact in a large area calandria and is heated evenly the distillation process for quickly accelerating water body to be measured, shortens distillation time, reduces
The water sample needed is distilled, cost has been saved, has improved detection efficiency, so that ammonia nitrogen measurement has good anti-interference, measurement
It is quickly and accurate and reliable.
Further, filter screen is provided with Intranet, middle net and outer net.The planktonic organism etc. in sample is filtered out by outer net
Impurity, adsorbs the impurity further progress through outer net by middle net, is carried out again to by the impurity of middle net again by Intranet
Primary filtering；Sample to be tested is comprehensively handled, it is impure to testing result in sample to prevent in greatest extent
Influence；Since active carbon is used for Seawater Treatment, can effective taste removal, decoloration, and active carbon has flourishing pore structure is good
The features such as good absorption property, high mechanical strength, easy repeated regeneration, low cost, middle Netcom crosses and sets hollow structure for twine,
And it is filled with active charcoal in the inside of twine, not only net can play the role of filtering granule foreign in guarantee, additionally it is possible to
The treatment effect for making full use of active carbon further improves the filter effect of filter screen.
Detailed description of the invention
Fig. 1 is the overall schematic of the utility model；
Fig. 2 is the filter screen structure schematic diagram of the utility model.
In figure: 1- filtering flask, 11- liquid outlet, 2- filter screen, screen frame in 211-, 212- Intranet, screen frame in 221-, 222-
Middle net, the outer screen frame of 231-, 232- outer net, 24- confluence hole, 3- Internal baffle, the first connecting tube of 4-, the first shut-off valve of 41-, 5- steam
Evaporate bottle, 51- demarcation plate, 52- is adjustable electric furnace, the second connecting tube of 6-, 7- condenser pipe, 71- outer tube, 711- water inlet, 712- water outlet
Mouthful, 72- inner tube, 8- third connecting tube, the second shut-off valve of 81-, 9- colorimetric cylinder.
Specific embodiment
The utility model is specifically described with reference to the accompanying drawing:
As shown in Figure 1, the utility model includes filtering flask 1, filter screen 2 is arranged in the bottle mouth position of filtering flask 1, filtering flask 1
Inner wall is fixedly installed the Internal baffle 3 that is interspersed, and the side of Internal baffle 3 is an arc and a straight line, wherein arc-shaped side and mistake
The inner wall of filter flask is fixedly connected, and is also provided with the first venthole on the bottle body of the filtering flask 1 of 3 upside of Internal baffle；Filtering flask 1
Bottom of bottle offers liquid outlet 11, and liquid outlet 11 is connected with cucurbit 5 by the first connecting tube 4；Is connected in first connecting tube 4
One shut-off valve 41, the preferably flat bottle of cucurbit 4, can increase the heating surface area of cucurbit, accelerate distillation speed；Cucurbit 5
Inner wall is provided with demarcation plate 51, and 51 center opening of demarcation plate can make water sample to be measured will not when ebuillition of heated bubble is burst in this way
Enter the interfering ion in water sample in distillate；Cucurbit 5 is connected with condenser pipe 7 by the second connecting tube 6；Wherein first
Connecting tube 4 and the second connecting tube 6 are connected on the bottle body of cucurbit 5, and junction is higher than the height of demarcation plate 51, in cucurbit
The second venthole is offered on 5 bottle stopper；Condenser pipe 7 is connected with colorimetric cylinder 9 by third connecting tube 8；9 oral area of colorimetric cylinder is equipped with
Sealing-plug, third connecting tube 8 are inserted into colorimetric cylinder 9 out of sealing-plug.It is connected with the second shut-off valve 81 in third connecting tube 8, steams
The lower section for evaporating bottle 5 is placed with adjustable electric furnace 52.
Wherein, condenser pipe 7 includes inner tube 72 and outer tube 71, and inner tube 72 is in closing outer tube 71,72 both ends nozzle of inner tube
With extraneous connection, 72 both ends nozzle one of inner tube terminates the second connecting tube 6, and the other end connects third connecting tube 8；The outer tube 71
It is equipped with the water inlet 711 and water outlet 712 for leading to cooling water.
As shown in Fig. 2, filter screen 2 includes being overlapped on 1 bottleneck of filtering flask, and to the interior screen frame of 1 bottle of inner recess of filtering flask
211, and the Intranet 212 being embedded on interior screen frame 211；The middle net of oriented 1 inner recess of filtering flask bottle is overlapped on interior screen frame 211
Frame 221 is embedded with middle net 222 on middle screen frame 221, the outer screen frame of oriented 1 inner recess of filtering flask bottle is overlapped on middle screen frame 221
231, outer net 232 is embedded on outer screen frame 231.Wherein Intranet 212 uses 0.25 μm of acetate fiber filter membrane, the twine of middle net 222
For hollow structure, the spheric granules shaped activated carbon that the inside of twine is 0.2mm-0.3mm filled with diameter, the mesh of middle net 222
Diameter is 0.5mm-1mm, and outer net 232 uses carbon fibre reinforcement, and the mesh aperture of outer net 232 is 1mm-2mm；Wherein, living
Property charcoal be filled in twine hollow interior between online twine intersection point adjacent to each other.Preferably, in the downside of interior screen frame 211
It is provided with funnel-form collecting pipe, confluence bottom of the tube setting confluence hole 24.
Its specific implementation process is as follows:
Collected the seawater sample successively outer net through filter screen, middle net and Intranet carry out filtering gradually to sample, outside
Net carries out carry out primary filtration to the impurity of the greater particle size in sample, on the one hand middle net can filter a part through outer net
Impurity, and the active carbon in middle net can carry out taste removal to sample, and discoloration effect generates color difference when avoiding inspection, influence
Testing result；Intranet further filters the planktonic organism netted in transmission, avoids influence of the planktonic organism to testing result；And then sample
Product enter collecting pipe, and by converging, hole flows downward, and flows on Internal baffle, and the gas being contained in sample is understood baffling and walked, and
Liquid continues have a forward speed due to inertia, forward liquid be attached to stop wall surface on due to gravity effect to
Under pool together.Gas then passes through the venthole discharge being arranged on filtering flask bottle body, and then being discharged includes in the sample
Gas.Avoid influence of the gas to testing result in sample.The first shut-off valve is opened, liquid is flowed into cucurbit.It opens
Adjustable electric furnace heats cucurbit, and vapor is pooled in colorimetric cylinder by condenser pipe, to the processed sample for reaching needs
Volume when, close the second shut-off valve, close adjustable electric furnace, and then sample is detected using Na's colorimetry, obtain inspection
Survey result.
The above embodiments are merely examples for clarifying the description, and does not limit the embodiments.For institute
For the those of ordinary skill in category field, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It moves among still in the protection scope of the utility model.
Claims (9)
1. a kind of detection device of Ammonia In Sea Water nitrogen content, which is characterized in that including filtering flask (1), the bottleneck of filtering flask (1) is set
It sets filter screen (2), the bottom of bottle of filtering flask (1) is also provided with liquid outlet (11), and liquid outlet (11) is connected by the first connecting tube (4)
There are cucurbit (5)；The cucurbit (5) is connected with condenser pipe (7) by the second connecting tube (6)；The condenser pipe (7) is logical
It crosses third connecting tube (8) and is connected with colorimetric cylinder (9)；
The inner wall of the filtering flask (1) is provided with several Internal baffles (3) being parallel to each other from top to bottom；The Internal baffle exists
The inner wall of filtering flask (1) is staggered, and each Internal baffle is parallel to the bottom of bottle of filtering flask (1)；Above Internal baffle (3)
Filtering flask (1) side bottle body be equipped with the first venthole, and the height of the first venthole be lower than filter screen (2) height；
The filter screen (2) includes being overlapped on the bottleneck of filtering flask (1), and to the interior screen frame of filtering flask (1) bottle inner recess
And the Intranet (212) that is embedded on interior screen frame (211) (211),；Oriented filtering flask (1) is overlapped on the interior screen frame (211)
The middle screen frame (221) of bottle inner recess, is embedded with middle net (222) on middle screen frame (221)；It is overlapped on the middle screen frame (221)
The outer screen frame (231) of oriented filtering flask (1) bottle inner recess is embedded with outer net (232) on outer screen frame (231)；
The Intranet (212) uses 0.25 μm of acetate fiber filter membrane；The twine of the middle net (222) is hollow structure, net
The inside of silk is filled with active charcoal, and the mesh diameter of middle net (222) is 0.5mm-1mm；The outer net (232) uses carbon
Fibre reinforced materials, the mesh aperture of outer net (232) are 1mm-2mm；
The active carbon is the form of spherical particles structure that particle diameter is 0.2mm-0.3mm, during the active carbon is filled in
Twine hollow interior on net (222) between twine intersection point adjacent to each other.
2. a kind of detection device of Ammonia In Sea Water nitrogen content according to claim 1, which is characterized in that the cucurbit
(5) flat bottle is used, the integral middle connection of cucurbit (5) is parallel to the demarcation plate (51) of cucurbit (5) bottom of bottle, demarcation plate
(51) center opening；First connecting tube (4) and the second connecting tube (6) is connected to the distillation above demarcation plate (51)
On the bottle body of bottle (5)；Cucurbit (5) the top bottle mouth position is equipped with bottle stopper, and the second venthole is additionally provided on bottle stopper；Institute
Adjustable electric furnace (52) are placed with below the cucurbit (5) stated.
3. a kind of detection device of Ammonia In Sea Water nitrogen content according to claim 1, which is characterized in that the interior screen frame
(211) lower section is also connected with a funnel-form collector-shoe gear, and the bottom of collector-shoe gear is provided with confluence hole (24).
4. a kind of detection device of Ammonia In Sea Water nitrogen content according to claim 1, which is characterized in that the condenser pipe
It (7) include inner tube (72) and outer tube (71), in closing outer tube (71), inner tube (72) both ends nozzle and the external world join inner tube (72)
Logical, inner tube (72) both ends nozzle one terminates the second connecting tube (6), and the other end connects third connecting tube (8)；On the outer tube (71)
Equipped with the water inlet (711) and water outlet (712) for leading to cooling water.
5. a kind of detection device of Ammonia In Sea Water nitrogen content according to claim 1, which is characterized in that described first connects
It is connected with the first shut-off valve (41) on adapter tube (4), the second shut-off valve (81) is connected in third connecting tube (8).
6. a kind of detection device of Ammonia In Sea Water nitrogen content according to claim 1, which is characterized in that the colorimetric cylinder
(9) plastic cup is used.
7. a kind of detection device of Ammonia In Sea Water nitrogen content according to claim 6, which is characterized in that the colorimetric cylinder
(9) oral area is equipped with sealing-plug, and third connecting tube (8) is inserted into colorimetric cylinder (9) out of sealing-plug.
8. a kind of detection device of Ammonia In Sea Water nitrogen content according to claim 1, which is characterized in that the Internal baffle
(3) quantity at least two.
9. a kind of detection device of Ammonia In Sea Water nitrogen content according to claim 8, which is characterized in that the Internal baffle
It (3) include an arcuation side and straight line, the arcuation side of Internal baffle (3) is fixedly connected with filtering flask (1) inner wall；The interior gear
Area of section where plate (3) is greater than it at bottle body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821516476.0U CN209432704U (en) | 2018-09-17 | 2018-09-17 | A kind of detection device of Ammonia In Sea Water nitrogen content |
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| CN201821516476.0U CN209432704U (en) | 2018-09-17 | 2018-09-17 | A kind of detection device of Ammonia In Sea Water nitrogen content |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916815A (en) * | 2021-10-13 | 2022-01-11 | 海南大学 | Method for measuring content of ammonia nitrogen in seawater by using Nashin's reagent spectrophotometry |
-
2018
- 2018-09-17 CN CN201821516476.0U patent/CN209432704U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916815A (en) * | 2021-10-13 | 2022-01-11 | 海南大学 | Method for measuring content of ammonia nitrogen in seawater by using Nashin's reagent spectrophotometry |
| CN113916815B (en) * | 2021-10-13 | 2022-08-30 | 海南大学 | Method for measuring content of ammonia nitrogen in seawater by using Nashin's reagent spectrophotometry |
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