CN219798952U - A preceding stage digestion processing apparatus for determination of organic fertilizer total nitrogen content - Google Patents
A preceding stage digestion processing apparatus for determination of organic fertilizer total nitrogen content Download PDFInfo
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- CN219798952U CN219798952U CN202320932968.2U CN202320932968U CN219798952U CN 219798952 U CN219798952 U CN 219798952U CN 202320932968 U CN202320932968 U CN 202320932968U CN 219798952 U CN219798952 U CN 219798952U
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- digestion
- organic fertilizer
- nitrogen content
- total nitrogen
- heating module
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- 230000029087 digestion Effects 0.000 title claims abstract description 64
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003895 organic fertilizer Substances 0.000 title claims abstract description 29
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 18
- 238000012545 processing Methods 0.000 title claims description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 230000006978 adaptation Effects 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910002804 graphite Inorganic materials 0.000 claims description 14
- 239000010439 graphite Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 16
- 239000002689 soil Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DOBUSJIVSSJEDA-UHFFFAOYSA-L 1,3-dioxa-2$l^{6}-thia-4-mercuracyclobutane 2,2-dioxide Chemical compound [Hg+2].[O-]S([O-])(=O)=O DOBUSJIVSSJEDA-UHFFFAOYSA-L 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910000370 mercury sulfate Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Fertilizers (AREA)
Abstract
The utility model discloses a front-stage digestion treatment device for measuring total nitrogen content of an organic fertilizer, which comprises an equipment body, a heating module, a support module and digestion bottles, wherein the equipment body is provided with a plurality of accommodating grooves, the heating module is adaptively arranged in the accommodating grooves, the support comprises a support plate and a grid cup, the top of the grid cup is provided with a limiting part, the support plate is provided with a slotted hole, the grid cup is adaptively arranged on the slotted hole and is limited by the limiting part, the digestion bottles are arranged in the grid cup and are erected on the support plate, and the digestion bottles are arranged in the accommodating grooves through the support plate.
Description
Technical Field
The utility model relates to the field of chemical industry detection, in particular to a pre-digestion treatment device for measuring total nitrogen content of an organic fertilizer.
Background
The fertilizer is an important agricultural production data, and is the grain of grains. The fertilizer plays an irreplaceable role in promoting agricultural production and grain yield increase. However, since a large amount of inorganic fertilizers are applied and even abused for many years, a large amount of farmland soil in China is degraded, the soil structure is seriously damaged and even hardened, and the soil environment is urgently required to be restored and improved. The organic fertilizer has more and more prominent effects of improving soil structure, environment and improving soil, and the state greatly advocates and guides the application of green organic fertilizer at present so as to improve and regulate the physical and chemical properties of the soil, improve the aggregate structure of the soil, prevent soil hardening and water storage and soil moisture conservation, thereby ensuring stable yield and income of agricultural products and improving the quality of the agricultural products. At present, organic fertilizer products are used for replacing fertilizer products and are already listed in the outline of national agricultural development. The use ratio of the organic fertilizer is gradually expanded in the future, and the organic fertilizer is expected to reach 2300 ten thousand tons by 2023. However, the existing organic fertilizer products have relatively low production conditions, technical requirements and production cost, and have problems in terms of rough manufacturing and product quality. The detection workload of the organic fertilizer is further increased, and the exploration of a faster and more accurate detection method is an important task for detection work in the future. However, the sample pretreatment method specified by the method (D.1.4.1) for measuring the total nitrogen content of the organic fertilizer in the current standard (NY/T525-2021) of organic fertilizer has the advantages of long digestion time (more than 24 hours), slow process, large occupied laboratory space of the device, incomplete digestion, inconvenient operation and difficult batch treatment of the samples, directly influences the aging of the organic fertilizer inspection, and is not beneficial to the efficient development of the organic fertilizer inspection work.
The best method for sample pretreatment should be: the digestion and decomposition are complete, the time is short, the operation is simple and convenient, the batch detection can be carried out, the detection result is accurate, and the data is reliable.
The method for pre-treating the sample specified by the method (D.1.4.1) for measuring the total nitrogen content of the organic fertilizer in the standard of organic fertilizer (NY/T525-2021) at present only adopts the method for sterilizing and boiling the sample together with sulfuric acid and hydrogen peroxide, so that nitrogen in the sample is converted into ammonium nitrogen, then alkalization, distillation and titration are carried out, and the total nitrogen content is calculated. The main technical problems are as follows:
(1) In the current heating process, the digestion bottle is generally put into the heating box, so that the digestion state of the inner side cannot be clearly observed, and the digestion is incomplete (black residues exist in the digestion liquid) due to inconvenient taking out.
(2) The existing equipment is not special equipment, occupies a large amount of laboratory space, time and is not easy to operate, particularly, samples are not easy to process in batches, the aging of the organic fertilizer inspection is directly affected, the operation is not easy, the labor is consumed, and the whole digestion process always needs to be observed and controlled by personnel at any time.
(3) In the current operation, on one hand, the digestion temperature is not easy to control, and the digestion loss is easy to cause, and on the other hand, in the same batch of inspection process, whether the temperature in the digestion process is consistent or not cannot be determined, so that the accuracy of inspection is affected.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a pre-digestion treatment device for determining the total nitrogen content of organic fertilizer, which has high integration level and is convenient for digestion in batches.
The utility model solves the problems by adopting the following technical scheme: a preceding stage digestion processing apparatus for determination of organic fertilizer total nitrogen content, its characterized in that: including equipment organism, heating module, support module and clear up the bottle, the equipment organism be provided with a plurality of holding tanks, heating module adaptation sets up in the holding tank, the support include support plate and net cup, net cup top be provided with spacing portion, the backup pad be provided with the slotted hole, net cup adaptation on the slotted hole and spacing through spacing portion adaptation, clear up the bottle setting in net cup and erect on with the support plate, will clear up the bottle and put into the holding tank through the support plate.
Further: the heating module adopt graphite heating module, graphite heating module's barrel adaptation in the holding tank, graphite heating's barrel be provided with equidistant spaced bar groove, the net cup be provided with the grafting strip with bar groove adaptation, the grafting strip be the L type.
Further: the machine body of the equipment is provided with a lifting block, the lifting block is arranged on a longitudinal sliding groove of the machine body of the equipment in a sliding manner through a sliding shaft, and the lifting block is connected with two sides of a supporting plate through bolt pieces.
Further: the two sides of the supporting plate are provided with handle pieces.
Further: the front end of the equipment body is provided with a temperature control host machine which is matched with the heating module, the temperature control host machine is provided with a display screen and an operation key panel in a matched mode, and a temperature sensor is arranged in the accommodating groove and connected with the temperature control host machine.
Further: the digestion bottle is provided with a sealing cover, the sealing cover is provided with a liquid adding opening and a gas recovery opening, and the liquid adding opening and the gas recovery opening are both provided with a valve mouth in an adapting mode.
Compared with the prior art, the utility model has the following advantages and effects:
(1) This equipment adopts the integration to be high, is provided with the multiunit holding tank, but the adaptation holds multiunit digestion bottle and digest and decompose, reduces and occupies experimental space, and batch operation provides the convenience for experimental flow, is convenient for observe, has improved holistic experimental analysis efficiency.
(2) The digestion bottle set up on the support plate through the net cup, the net cup on one hand support the digestion bottle, on the other hand does not interfere the inside field of vision for mention the support plate, the digestion condition of seeing the bottom that can be convenient exists and remain.
(3) The heating module adopts graphite heating module, and the heating is more even, simultaneously in holding tank adaptation set up temperature sensor and with the communication of control by temperature change host computer for monitor every holding tank in the problem, reject the sample to the holding tank internal temperature abnormality, thereby guarantee that the sample is basically unanimous at the temperature environment who clears up the in-process, thereby improve the accuracy of inspection.
Drawings
FIG. 1 is a schematic diagram of a pre-digestion unit according to an embodiment of the present utility model.
FIG. 2 is a schematic view showing the arrangement of digestion bottles according to an embodiment of the utility model.
Fig. 3 is a circuit frame diagram of a temperature control host according to an embodiment of the utility model.
Figure number: the device comprises a device body 101, a digestion bottle 102, a containing groove 103, a support plate 104, a grid cup 105, a limiting part 106, a cylinder 108, a strip-shaped groove 109, a plug strip 110, a lifting block 111, a sliding shaft 112, a handle piece 113, an electric telescopic rod 114, a temperature control host 115, a display screen 116, an operation key panel 117, a sealing cover 118, a liquid filling opening 119 and a gas recovery opening 120.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
Referring to fig. 1-3, the pre-digestion treatment device for determining total nitrogen content of organic fertilizer in this embodiment comprises a device body 101, a heating module, a bracket module and a digestion bottle 102, wherein the device body 101 is provided with a plurality of accommodating grooves 103, the heating module is adapted to be arranged in the accommodating grooves 103, the bracket comprises a support plate 104 and a grid cup 105, a limit part 106 is arranged at the top of the grid cup 105, the support plate is provided with a slot hole, the grid cup 105 is adapted to be limited on the slot hole and is adapted to limit through the limit part 106, and the digestion bottle 102 is arranged in the grid cup 105 and is erected on the support plate 104, so that the digestion bottle 102 is arranged in the accommodating grooves 103 through the support plate 104.
This embodiment relates to a digestion processing apparatus for carrying out preceding processing in total nitrogen content of organic fertilizer survey, it integrates highly, is provided with multiunit holding tank 103, but the adaptation holds multiunit digestion bottle 102 and carries out digestion and decompose, reduces occupation experiment space, and batch operation provides convenience for experimental flow, is convenient for observe, has improved holistic experimental analysis efficiency, wherein digestion bottle 102 pass through net cup 105 and set up on the back plate 104, net cup 105 on one side support digestion bottle 102, on the other hand do not interfere the inside field of vision for mention back plate 104, the digestion condition of seeing bottom that can be convenient, whether there is the residue, specifically equipment organism 101 be provided with lifting block 111, lifting block 111 slide and set up on the vertical spout of equipment organism 101 through sliding shaft 112, lifting block 111 and the both sides of back plate 104 pass through the bolt part and be connected, sliding shaft 112 set up mainly in order to keep stable in the promotion process, prevent that the promotion process from falling, the both sides of back plate 104 be provided with handle 113, conveniently take, further electric operation is convenient for the electric motor-driven lifting block 101 need not to set up in order to observe the electric lifting rod 114, can be in order to stop the proper state at the end of the electric lifting rod 114, the electric lifting rod is connected at the end of the electric rod 114, and the telescopic link is suitable for the person is realized.
In this embodiment, the heating module adopts graphite heating module, graphite has excellent heat conductivility, and can rapid heat, wherein adopt barrel 108 that graphite constitutes and digestion bottle 102 adaptation that can be better, guarantee digestion bottle 102 in-process's the heating temperature homogeneity, in this embodiment, graphite heating module's barrel 108 adaptation in holding tank 103, for the adaptation of adaptation net cup 105 and digestion bottle 102 and the adaptation contact that barrel 108 avoided, graphite heating barrel 108 be provided with equidistant spaced bar groove 109, net cup 105 be provided with bar 110 of bar groove 109 adaptation, bar 110 be L type (be used for digestion bottle 102 drag the end), bar 110 and bar groove 109 peg graft adaptation, then make digestion bottle 102 laminate in graphite heating barrel 108 as far as possible, make the homogeneity of heating obtain guaranteeing as far as possible, in this structure, spacing of net cup 105 fasten through fastener (bolt piece) with support plate 104, because the relative fixed position of fastener that has, therefore the net cup 105 can't cause the deviation effectively prevent to peg graft 110 with bar 109 and can't cause the net cup 110 adaptation.
The digestion bottle 102 is provided with a sealing cover 118, the sealing cover 118 is provided with a liquid adding opening 119 and a gas recovery opening 120, and the liquid adding opening 119 and the gas recovery opening 120 are both provided with valve nozzles in an adapting mode.
In this embodiment, the front end of the device body 101 is provided with a temperature control host 115 (PLC) with an adaptive heating module, the temperature control host 115 is adaptively provided with a display 116 and an operation key panel 117, the accommodating groove 103 is internally provided with a temperature sensor connected to the temperature control host 115, the heating module adopts a graphite heating module, heating is more uniform, meanwhile, the accommodating groove 103 is adaptively provided with the temperature sensor and is in communication with the temperature control host 115, and the temperature control host 115 is used for monitoring the problem in each accommodating groove 103, rejecting samples with abnormal temperature in the accommodating groove 103, so as to ensure that the temperature environments of the samples in the digestion process are basically consistent, and thus the accuracy of the test is improved
In this embodiment, a mode of carrying out digestion by adopting the device is specifically provided: the organic fertilizer samples are crushed and then weighed, 0.5-1.0g is added into a digestion bottle 102, mixed catalysts (the catalysts can be anhydrous sodium sulfate, mercury sulfate and selenium powder which are uniformly mixed according to the mass ratio of 64:10:1, and are ground into fine powder), each sample is added according to 2g, then 0.3g of ground potassium permanganate is added, the mixture is uniformly mixed, 5ml of concentrated sulfuric acid is added, and the mixture is slightly shaken and then covered by a sealing cover 118 for a little standing. The support plate 104 with the mesh cup 105 was fitted in the receiving groove 103 and fixed with the lifting block 111 by the bolt member, and then sequentially put into the digestion bottle 102, slowly heated to 150 c, and the gas recovery port 120 was connected to the gas recovery vessel (or laboratory gas treatment equipment) through a hose line, and after the red gas overflowed, heated to 250 c again after about 30 minutes, then heated to 350 c again, and maintained at this temperature for 3 hours. The digestion process can stop digestion or add sulfuric acid (the sealing cover 118 is not required to be opened again by adding liquid through the liquid adding port 119) at any time according to the digestion state of the sample, and for the convenience of observation, the support plate 104 can be lifted to observe the digestion condition of the bottom in the middle, and whether residues exist or not is judged until no black residues exist, so that the digestion is completed. In this embodiment, about 20 holes of the accommodating groove 103 are generally used, 20 samples can be digested at a time, the digestion in the accommodating groove 103 can basically ensure that the temperature is uniform, the digestion and digestion of each sample are ensured under the same conditions and states, meanwhile, the temperature monitoring is performed on each accommodating groove 103, the samples of the accommodating groove 103 with abnormal temperature are removed, the device can be used for simultaneously operating the samples in batches, and the device is simple, convenient and easy to implement, and is suitable for batch processing of a large number of samples in a laboratory or laboratory.
The foregoing description of the utility model is merely exemplary of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. A preceding stage digestion processing apparatus for determination of organic fertilizer total nitrogen content, its characterized in that: including equipment organism, heating module, support module and clear up the bottle, the equipment organism be provided with a plurality of holding tanks, heating module adaptation sets up in the holding tank, the support include support plate and net cup, net cup top be provided with spacing portion, the backup pad be provided with the slotted hole, net cup adaptation on the slotted hole and spacing through spacing portion adaptation, clear up the bottle setting in net cup and erect on with the support plate, will clear up the bottle and put into the holding tank through the support plate.
2. The pre-digestion treatment device for determining the total nitrogen content of an organic fertilizer according to claim 1, wherein: the heating module adopt graphite heating module, graphite heating module's barrel adaptation in the holding tank, graphite heating's barrel be provided with equidistant spaced bar groove, the net cup be provided with the grafting strip with bar groove adaptation, the grafting strip be the L type.
3. The pre-digestion treatment device for determining the total nitrogen content of an organic fertilizer according to claim 1, wherein: the machine body of the equipment is provided with a lifting block, the lifting block is arranged on a longitudinal sliding groove of the machine body of the equipment in a sliding manner through a sliding shaft, and the lifting block is connected with two sides of a supporting plate through bolt pieces.
4. A pre-digestion treatment unit for determining total nitrogen content of organic fertilizer according to claim 3, wherein: the two sides of the supporting plate are provided with handle pieces.
5. The pre-digestion treatment device for determining the total nitrogen content of an organic fertilizer according to claim 1, wherein: the front end of the equipment body is provided with a temperature control host machine which is matched with the heating module, the temperature control host machine is provided with a display screen and an operation key panel in a matched mode, and a temperature sensor is arranged in the accommodating groove and connected with the temperature control host machine.
6. The pre-digestion treatment device for determining the total nitrogen content of an organic fertilizer according to claim 1, wherein: the digestion bottle is provided with a sealing cover, the sealing cover is provided with a liquid adding opening and a gas recovery opening, and the liquid adding opening and the gas recovery opening are both provided with a valve mouth in an adapting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932968.2U CN219798952U (en) | 2023-04-23 | 2023-04-23 | A preceding stage digestion processing apparatus for determination of organic fertilizer total nitrogen content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932968.2U CN219798952U (en) | 2023-04-23 | 2023-04-23 | A preceding stage digestion processing apparatus for determination of organic fertilizer total nitrogen content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219798952U true CN219798952U (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320932968.2U Active CN219798952U (en) | 2023-04-23 | 2023-04-23 | A preceding stage digestion processing apparatus for determination of organic fertilizer total nitrogen content |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219798952U (en) |
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2023
- 2023-04-23 CN CN202320932968.2U patent/CN219798952U/en active Active
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