CN204359781U - A kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen - Google Patents
A kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen Download PDFInfo
- Publication number
- CN204359781U CN204359781U CN201520044805.6U CN201520044805U CN204359781U CN 204359781 U CN204359781 U CN 204359781U CN 201520044805 U CN201520044805 U CN 201520044805U CN 204359781 U CN204359781 U CN 204359781U
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- China
- Prior art keywords
- diffusion boat
- diffusion
- lid
- alkali
- storage room
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 93
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000002689 soil Substances 0.000 title claims abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 14
- 239000003513 alkali Substances 0.000 claims abstract description 37
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000012780 transparent material Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000280 densification Methods 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 6
- 238000002474 experimental method Methods 0.000 abstract description 5
- 229910021529 ammonia Inorganic materials 0.000 abstract description 3
- 238000004448 titration Methods 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 20
- 239000000523 sample Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006101 laboratory sample Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
A kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen, comprise diffusion boat body, diffusion boat lid, diffusion boat lid be closely coupled to diffusion boat body peristome or with opening portion from, absorption chamber and alkali storage room is provided with in the confined space that diffusion boat body and diffusion boat lid form, absorption chamber hangs on the inner top of diffusion boat lid, the opening of absorption chamber communicates with confined space, alkali storage room is arranged at the madial wall of diffusion boat body, the filling opening of alkali storage room is sealed by diffusion boat lid or by filling opening seal cap sealing, the bottom of alkali storage room is provided with the liquid feeding passage communicated with diffusion boat body interior space, liquid feeding passage is provided with the spool making carrier frequency channel break seal or be communicated with.Absorption chamber is suspended on top, and titration when being separated with body is easy to operate, avoids polluting.Alkali lye is when adding in soil sample, and system is in totally-enclosed state, avoids the Ammonia valatilization of conventional diffusion ware when liquid feeding, improves precision and the work efficiency of experiment.
Description
Technical field
The utility model relates to experimental analysis Instrument technology field, is specifically related to a kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen, is usually used in measuring soil alkali-hydrolyzable nitrogen.
Background technology
The existing subject matter for the diffusion boat existence in alkali-hydrolyzable nitrogen determination experiment is as follows: the sodium hydroxide solution 1, added in diffusion boat mistress is easy to be strayed into room in diffusion boat, causes measuring unsuccessfully; 2, in hydro-oxidation sodium solution to mistress's soil sample time, mistress and the external world poorly sealed, being in communicating state, adding the easy volatilization loss of the ammonia generated in alkali process, causing experimental error.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen.
In order to achieve the above object, the utility model solves the concrete measure that its technical matters takes: a kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen, comprise diffusion boat body, diffusion boat lid, diffusion boat lid be closely coupled to diffusion boat body peristome or with opening portion from, it is characterized in that, absorption chamber and alkali storage room is provided with in the confined space that diffusion boat body and diffusion boat lid form, described absorption chamber fixedly hangs on the inner top of diffusion boat lid, the opening of absorption chamber communicates with described confined space, described alkali storage room is fixedly installed on the madial wall of diffusion boat body, the filling opening of alkali storage room is sealed by diffusion boat lid or by filling opening seal cap sealing, the bottom of alkali storage room is provided with the liquid feeding passage communicated with alkali storage chamber inner space, described liquid feeding passage is provided with the spool making liquid feeding carrier frequency channel break seal or be communicated with.
Furtherly, described absorption chamber is the container that opening is greater than bottom, the opening part sidewall of this container described is suspended on the inner top of diffusion boat lid by web member, is threaded connection or buckle is fixedly connected with between web member with diffusion boat lid.
Furtherly, described alkali storage room is positioned on the madial wall of diffusion boat body, described spool is cone, the conical surface of cone offers the valve core channel running through cone, the axis of valve core channel and the centre of gyration axis of cone intersect vertically, the conical surface of cone and the wall body of liquid feeding passage side are sealed and matched, and spool is in transmission connection by the valve rod be solidified as a whole with it, valve core channel and liquid feeding passage or connect on-off every.
Furtherly, the annular end face of the opening of described diffusion boat body offers annular groove, the inner top surrounding being positioned at diffusion boat lid is provided with the annular protrusion corresponding with annular groove, described annular groove inside surface is coated with the glue-line of a densification, and diffusion boat body is sealed with coordinating of annular protrusion by described annular groove with diffusion boat lid.
Furtherly, described diffusion boat body, diffusion boat lid, absorption chamber, locular wall, the spool of alkali storage room are transparent material and make.
The beneficial effects of the utility model: the utility model overall sealing performance is good, provide superior reaction environment condition; Absorption chamber is suspended on top, greatly avoids absorption chamber to suffer the pollution of alkali lye when transporting; Laboratory sample and test solution has been added in diffusion boat body, by unlatching spool, the alkali lye being used for reacting is joined in laboratory sample under diffusion boat has been in totally enclosed situation and react, until reaction terminates, take off absorption chamber, be separated with body and carry out titration, during titration, absorption chamber can avoid the pollution suffering alkali lye well; When alkali lye joins in soil sample, system is in totally-enclosed state, avoids the Ammonia valatilization that conventional diffusion ware produces when liquid feeding, reduces error, and the utility model uses easy to operate, can increase work efficiency, and improves the precision of experiment.
Accompanying drawing explanation
Fig. 1 is the vertical view under the utility model air-tight state;
Fig. 2 is that the A-A of Fig. 1 is to sectional structure structural representation;
Fig. 3 is the partial structurtes enlarged drawing of Fig. 2;
Fig. 4 is the STRUCTURE DECOMPOSITION figure at the utility model first visual angle;
Fig. 5 is the STRUCTURE DECOMPOSITION figure at the utility model second visual angle.
Embodiment
A kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen as shown in Figures 1 to 4, comprise diffusion boat body 1, diffusion boat lid 2, diffusion boat lid 2 be closely coupled to diffusion boat body 1 peristome or with opening portion from, absorption chamber 3 and alkali storage room 4 is provided with in the confined space that diffusion boat body 1 and diffusion boat lid 2 form, described absorption chamber 3 fixedly hangs on the inner top of diffusion boat lid 2, the opening of absorption chamber 3 communicates with described confined space, described alkali storage room 4 is fixedly installed on diffusion boat lid 2 inner top or is arranged at the madial wall of diffusion boat body 1, the filling opening of alkali storage room 4 is sealed by diffusion boat lid 2 or by filling opening seal cap sealing (not shown), the bottom of alkali storage room 4 is provided with the liquid feeding passage 5 communicated with inner space, alkali storage room 4, described liquid feeding passage 5 is provided with the spool 6 making carrier frequency channel break seal or be communicated with.
Described absorption chamber 3 is greater than the container of bottom for opening, the opening part sidewall of this container described is suspended on the inner top of diffusion boat lid 2 by web member 7, is connected or buckle is fixedly connected with between web member 7 with diffusion boat lid 2 by screw thread 8.
Preferably, described alkali storage room 4 is positioned on the madial wall of diffusion boat body 1, and the formula structure that is connected with the madial wall of diffusion boat body 1, described spool 6 is cone, the conical surface of cone offers the valve core channel 9 running through cone, the axis 10 of valve core channel 9 intersects vertically with the centre of gyration axis 11 of cone, the conical surface of cone and the wall body 12 of liquid feeding passage 5 side are sealed and matched, spool 6 is in transmission connection by the valve rod 13 be solidified as a whole with it, valve core channel 9 and liquid feeding passage 5 or connect on-off every.
Preferably, the annular end face 14 of the opening of described diffusion boat body 1 offers annular groove 15, the inner top surrounding being positioned at diffusion boat lid 2 is provided with the annular protrusion 16 corresponding with annular groove 15, described annular groove 15 inside surface is coated with the glue-line of a densification, and diffusion boat body 1 is sealed with coordinating of annular protrusion 16 by described annular groove 15 with diffusion boat lid 2.
Preferably, described diffusion boat body 1, diffusion boat lid 2, absorption chamber 3, locular wall, the spool 6 of alkali storage room 4 are transparent material and make.
The inner top plane of described diffusion boat lid 2 is frosting, and the end face of the edge of opening of described alkali storage room 4 is planar annular, and this planar annular contacts with the inner top flat seal of diffusion boat lid 2, and the surface of planar annular is frosting.
During experiment, concrete operation step is as follows, clean dried diffusion boat body 1 inside is loaded weighted soil sample, close spool 6, quantitative alkali lye (sodium hydroxide solution) is added in alkali storage room 4, the quantitative adsorption liquid measured is loaded in absorption chamber 3, absorption chamber 3 is fixedly connected on the inner top of diffusion boat lid 2, then diffusion boat lid 2 sealing is placed on the oral area of diffusion boat body 1, then spool 6 is opened, the alkali lye joining alkali storage room 4 in advance joins in soil sample, spool is closed immediately after adding quantitative alkali lye, guarantee that reaction chamber seals, the vessel of transparent material, convenient observation, greatly improve precision and the work efficiency of the result of experiment.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. the diffusion boat measured for soil alkali-hydrolyzable nitrogen, comprise diffusion boat body, diffusion boat lid, diffusion boat lid be closely coupled to diffusion boat body peristome or with opening portion from, it is characterized in that, when diffusion boat lid is closely coupled to the peristome of diffusion boat body, absorption chamber and alkali storage room is provided with in the confined space that diffusion boat body and diffusion boat lid form, described absorption chamber fixedly hangs on the inner top of diffusion boat lid, the opening of absorption chamber communicates with described confined space, described alkali storage room is fixedly installed on the madial wall of diffusion boat body, the filling opening of alkali storage room is sealed by diffusion boat lid or by filling opening seal cap sealing, the bottom of alkali storage room is provided with the liquid feeding passage communicated with alkali storage chamber inner space, described liquid feeding passage is provided with the spool making liquid feeding carrier frequency channel break seal or be communicated with.
2. a kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen according to claim 1, it is characterized in that, described absorption chamber is the container that opening is greater than bottom, the opening part sidewall of this container described is suspended on the inner top of diffusion boat lid by web member, is threaded connection between web member with diffusion boat lid or buckle is fixedly connected with.
3. a kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen according to claim 1, it is characterized in that, described alkali storage room is positioned on the madial wall of diffusion boat body, described spool is cone, the conical surface of cone offers the valve core channel running through cone, the axis of valve core channel and the centre of gyration axis of cone intersect vertically, the conical surface of cone and the wall body of liquid feeding passage side are sealed and matched, spool is in transmission connection by the valve rod be solidified as a whole with it, valve core channel and liquid feeding passage or connect on-off every.
4. a kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen according to claim 1, it is characterized in that, the annular end face of the opening of described diffusion boat body offers annular groove, the inner top surrounding being positioned at diffusion boat lid is provided with the annular protrusion corresponding with annular groove, described annular groove inside surface is coated with the glue-line of a densification, and diffusion boat body is sealed with coordinating of annular protrusion by described annular groove with diffusion boat lid.
5. a kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen according to the arbitrary claim of claim 1-4, it is characterized in that, described diffusion boat body, diffusion boat lid, absorption chamber, locular wall, the spool of alkali storage room are transparent material and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044805.6U CN204359781U (en) | 2015-01-22 | 2015-01-22 | A kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044805.6U CN204359781U (en) | 2015-01-22 | 2015-01-22 | A kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204359781U true CN204359781U (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520044805.6U Expired - Fee Related CN204359781U (en) | 2015-01-22 | 2015-01-22 | A kind of diffusion boat measured for soil alkali-hydrolyzable nitrogen |
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| CN (1) | CN204359781U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806837A (en) * | 2016-03-08 | 2016-07-27 | 中国农业科学院农业资源与农业区划研究所 | Device and method for determining soil alkali-hydrolyzable nitrogen |
| CN107807200A (en) * | 2016-09-09 | 2018-03-16 | 首都师范大学 | Diffusion boat device and its application method |
| CN109358042A (en) * | 2018-10-23 | 2019-02-19 | 中国科学院合肥物质科学研究院 | A kind of test method of soil alkaline hydrolysis nitrogen |
| CN109470835A (en) * | 2018-10-23 | 2019-03-15 | 中国科学院合肥物质科学研究院 | A kind of Soil K+adsorption alkali-hydrolyzable nitrogen processing unit |
-
2015
- 2015-01-22 CN CN201520044805.6U patent/CN204359781U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806837A (en) * | 2016-03-08 | 2016-07-27 | 中国农业科学院农业资源与农业区划研究所 | Device and method for determining soil alkali-hydrolyzable nitrogen |
| CN107807200A (en) * | 2016-09-09 | 2018-03-16 | 首都师范大学 | Diffusion boat device and its application method |
| CN109358042A (en) * | 2018-10-23 | 2019-02-19 | 中国科学院合肥物质科学研究院 | A kind of test method of soil alkaline hydrolysis nitrogen |
| CN109470835A (en) * | 2018-10-23 | 2019-03-15 | 中国科学院合肥物质科学研究院 | A kind of Soil K+adsorption alkali-hydrolyzable nitrogen processing unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20160122 |
|
| EXPY | Termination of patent right or utility model |