CN206540907U - A kind of denitrification determines device - Google Patents
A kind of denitrification determines device Download PDFInfo
- Publication number
- CN206540907U CN206540907U CN201720239882.6U CN201720239882U CN206540907U CN 206540907 U CN206540907 U CN 206540907U CN 201720239882 U CN201720239882 U CN 201720239882U CN 206540907 U CN206540907 U CN 206540907U
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- CN
- China
- Prior art keywords
- bottom plate
- denitrification
- pipe
- determines device
- top cover
- Prior art date
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Abstract
The utility model is related to ancillary test equipment technical field, specifically related to a kind of denitrification determines device, including body, top cover, bottom plate, and multiple detection pipes, the top cover is arranged at the top of body, for the mouth of pipe at the top of sealed tube body, and gas outlet is additionally provided with top cover, described device also includes the sealing-plug matched with gas outlet, the bottom plate is arranged on its bottom, the mouth of pipe for sealed tube body bottom, and the fixing groove matched with detection pipe is uniformly provided with bottom plate, the fixing groove is used to install fixed test pipe, multiple through holes are uniformly provided with the detection pipe.The utility model denitrification assay device structures are simple, easy to use, it is adaptable to determine soil denitrification rate determination, to promoting soil denitrification rate determination significant.
Description
Technical field
The utility model is related to ancillary test equipment technical field, and in particular to a kind of denitrification determines device.
Background technology
Denitrification in soil, is that under the conditions of anoxic and preference temperature etc., denitrifying bacteria is using organic matter as electricity
Sub- donor, NO3 -For electron acceptor, realize NO3 -It is converted into N2O and N2Process, be an important step of nitrogen cycle.Control
Denitrification factor of influence (such as substrate, temperature, humidity and oxygen content) is cultivated pedotheque, is determined in respective conditions
Under, the discharge ratio and cumulant of various nitrogenous gas products are put down to setting up climate change, air pollution model and global nitrogen
Weighing apparatus is of great importance., can not be to N under the conditions of current technology2Gas content is accurately determined, and can use gas
Chromatography is to N2O gases carry out Accurate Determining, therefore suppress N using acetylene gas2O is to N2Conversion process, pass through determine
N2O gas contents carry out the indirect denitrification potential for showing soil.
And existing denitrification is determined in device, exist complicated, it is necessary to which the problem of individually customizing, adds and detect into
This;Therefore, the utility model provides a kind of simple in construction, and it is easy to use, it can be gathered materials on the spot in laboratory and prepare denitrification measure
Device, to promoting soil denitrification rate determination significant.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art to determine device, structure letter there is provided a kind of denitrification
It is single, it is easy to use, it can be gathered materials on the spot in laboratory and prepare denitrification measure device, it is adaptable to determine the survey of soil denitrification speed
It is fixed.
The purpose of this utility model is achieved through the following technical solutions:
A kind of denitrification determines device, including body, top cover, bottom plate and multiple detection pipes, and the top cover is arranged on pipe
At the top of body, gas outlet is additionally provided with for the mouth of pipe at the top of sealed tube body, and on top cover, described device also includes and gas outlet phase
The sealing-plug matched somebody with somebody, the bottom plate is arranged on its bottom, for the mouth of pipe of sealed tube body bottom, and is uniformly provided with and examines on bottom plate
The fixing groove that test tube matches, the fixing groove is used to install to be uniformly provided with multiple through holes in fixed test pipe, the detection pipe.
Further, the body and top cover integrated setting.
Further, the body and bottom plate snapping.
Further, the body is connected with base thread.
Further, the body and detection pipe are respectively PVC materials.
Further, the sealing-plug is rubber stopper.
Further, the bottom plate and top cover are respectively resin material.
Further, its bottom is provided with annular lug, the bottom plate and is additionally provided with what is matched with annular lug
Annular groove.
Further, it is additionally provided with the body and is uniformly provided with what is matched with detection pipe on support frame, support frame as described above
Retainer ring, the detection pipe is fixed on the fixing groove of bottom plate through retainer ring.
The beneficial effects of the utility model are:The utility model denitrification determines device, simple in construction, easy to use, makes
Used time, experiment plot is taken into 4 earth pillars at random, put it into culture apparatus, make body through sealing-plug pumping with syringe
It is interior to form certain negative pressure, pure acetylene is then injected into, makes concentration of acetylene in body that 10%, device then are embedded into arable layer
Cultivate after 24h, gas can carry out the measure of denitrification rate in collection tube body, to promoting soil denitrification rate determination to have
Significance.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is the structural representation of the utility model bottom plate;
Fig. 3 is another structural representation of the utility model device;
Fig. 4 is the structural representation of the utility model support frame;
In figure, 1- bodys, 2- top covers, 3- bottom plates, 4- detection pipes, 5- sealing-plugs, 6- gas outlets, 7- through holes, 8- fixing grooves,
9- annular grooves, 10- support frames, 11- retainer rings.
Embodiment
The technical solution of the utility model, but protection domain of the present utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As depicted in figs. 1 and 2, a kind of denitrification determines device, including body 1, top cover 2, bottom plate 3 and multiple detections
Pipe 4, the top cover 2 is arranged on the top of body 1, for the mouth of pipe at the top of sealed tube body 1, and is additionally provided with gas outlet 6 on top cover 2,
Described device also includes the sealing-plug 5 matched with gas outlet 6, and the bottom plate 3 is arranged on the bottom of body 1, for sealed tube body 1
The fixing groove 8 matched with detection pipe 4 is uniformly provided with the mouth of pipe of bottom, and bottom plate 3, the fixing groove 8 is used to install fixation
Multiple through holes 7 are uniformly provided with detection pipe 4, the detection pipe 4.
Specifically, the body 1 and the integrated setting of top cover 2.
Preferably, the body 1 and the snapping of bottom plate 3.
Preferably, the body 1 is threadedly coupled with bottom plate 3.
Preferably, the body 1 and detection pipe 4 are respectively PVC materials.
Preferably, the sealing-plug 5 is rubber stopper.
Preferably, the bottom plate 3 and top cover 2 are respectively resin material.
Specifically, the bottom of body 1 is provided with annular lug, the bottom plate 3 and is additionally provided with what is matched with annular lug
Annular groove 9.
Preferably, the annular lug surface is additionally provided with elastic resin sealant, to improve the sealing of device.
Specifically, it is additionally provided with support frame 10, support frame as described above 10 and is uniformly provided with and the phase of detection pipe 4 in the body 1
The retainer ring 11 matched somebody with somebody, the detection pipe 4 is fixed on the fixing groove 10 of bottom plate 3 through retainer ring 11.
In use, the distribution reduction formula of denitrification is NO3 -→NO2 -→NO→N2O→N2;The utility model device
The measure of denitrification rate is carried out using acetylene inhibition-Static soil core cultivation, principle is to utilize acetylene inhibition denitrification product
N2O is further to N2Conversion, passes through gas phase analysis of spectrum N2O content, obtains denitrification rate;The utility model denitrification determines dress
Put, it is simple in construction, it can be gathered materials on the spot in laboratory and prepare the utility model device;Experiment plot is taken into 4 earth pillars at random, by it
It is put into detection pipe 4, then detection pipe 4 is fixedly mounted on is arranged on the bottom plate 3 of the bottom of body 1, with syringe through sealing
The pumping of plug 5 makes to form certain negative pressure in body 1, and pure acetylene is then injected into body 1 through sealing-plug 5, is made in body 1
Then device is embedded to after arable layer culture 24h by concentration of acetylene 10%, and gas can carry out denitrification speed in collection body 1
The measure of rate, to promoting soil denitrification rate determination significant.
Described above is only preferred embodiment of the present utility model, it should be understood that the utility model is not limited to herein
Disclosed form, is not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and environment, and
It can be modified in contemplated scope described herein by the technology or knowledge of above-mentioned teaching or association area.And this area
The change and change that personnel are carried out do not depart from spirit and scope of the present utility model, then all should be in right appended by the utility model
It is required that protection domain in.
Claims (8)
1. a kind of denitrification determines device, it is characterised in that including body, top cover, bottom plate and multiple detection pipes, the top
Lid is arranged at the top of body, is additionally provided with gas outlet for the mouth of pipe at the top of sealed tube body, and on top cover, described device also include with
The sealing-plug that gas outlet matches, the bottom plate is arranged on its bottom, for the mouth of pipe of sealed tube body bottom, and on bottom plate
It is even provided with the fixing groove matched with detection pipe, the fixing groove is used to install uniformly to set in fixed test pipe, the detection pipe
There are multiple through holes.
2. a kind of denitrification according to claim 1 determines device, it is characterised in that the body is integrated with top cover to be set
Put.
3. a kind of denitrification according to claim 1 determines device, it is characterised in that the body and bottom plate snapping or spiral shell
Line is connected.
4. a kind of denitrification according to claim 1 determines device, it is characterised in that the body and detection pipe are respectively
PVC materials.
5. a kind of denitrification according to claim 1 determines device, it is characterised in that the sealing-plug is rubber stopper.
6. a kind of denitrification according to claim 1 determines device, it is characterised in that the bottom plate and top cover are respectively tree
Fat material.
7. a kind of denitrification according to claim 1 determines device, it is characterised in that its bottom is provided with convex annular
The annular groove matched with annular lug is additionally provided with block, the bottom plate.
8. a kind of denitrification according to claim 1 determines device, it is characterised in that support is additionally provided with the body
The retainer ring matched with detection pipe is uniformly provided with frame, support frame as described above, the detection pipe is fixed on through retainer ring
The fixing groove of bottom plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720239882.6U CN206540907U (en) | 2017-03-13 | 2017-03-13 | A kind of denitrification determines device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720239882.6U CN206540907U (en) | 2017-03-13 | 2017-03-13 | A kind of denitrification determines device |
Publications (1)
Publication Number | Publication Date |
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CN206540907U true CN206540907U (en) | 2017-10-03 |
Family
ID=59942009
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Application Number | Title | Priority Date | Filing Date |
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CN201720239882.6U Expired - Fee Related CN206540907U (en) | 2017-03-13 | 2017-03-13 | A kind of denitrification determines device |
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CN (1) | CN206540907U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110988308A (en) * | 2019-12-30 | 2020-04-10 | 中国科学院城市环境研究所 | Method for simultaneously determining different types of nitrification potentials in soil |
-
2017
- 2017-03-13 CN CN201720239882.6U patent/CN206540907U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110988308A (en) * | 2019-12-30 | 2020-04-10 | 中国科学院城市环境研究所 | Method for simultaneously determining different types of nitrification potentials in soil |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20180313 |