CN113758798A - Rapid caking device for evaluating effect of anti-caking agent and rapid determination method - Google Patents
Rapid caking device for evaluating effect of anti-caking agent and rapid determination method Download PDFInfo
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- CN113758798A CN113758798A CN202110100131.7A CN202110100131A CN113758798A CN 113758798 A CN113758798 A CN 113758798A CN 202110100131 A CN202110100131 A CN 202110100131A CN 113758798 A CN113758798 A CN 113758798A
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- 230000000694 effects Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 16
- 239000003337 fertilizer Substances 0.000 claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims abstract description 10
- 238000011156 evaluation Methods 0.000 claims abstract description 6
- 238000002474 experimental method Methods 0.000 claims abstract 2
- 239000002245 particle Substances 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 6
- 238000009864 tensile test Methods 0.000 claims description 2
- 238000010998 test method Methods 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 4
- 230000000996 additive effect Effects 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012113 quantitative test Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
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- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a rapid caking device for evaluating the effect of an anti-caking agent, wherein a sleeve is arranged on a sleeve base, 2 to 4 sleeves are formed, the sleeves are sequentially sleeved in the sleeve, the outer diameter of each sleeve corresponds to the inner diameter of the sleeve, a plunger is arranged below a gland and sleeved in the sleeve, and the outer diameter of the plunger corresponds to the inner diameter of the sleeve, the rapid caking device has the advantages that: simple structure, be convenient for operation can carry out quick caking experiment under different temperature, humidity, the pressure environment, have not only improved evaluation efficiency by a wide margin, also provide theoretical data to the influence of quantitative research temperature, humidity and pressure to the fertilizer caking simultaneously, have fine practicality and popularization nature in fertilizer production trade.
Description
Technical Field
The invention relates to the technical field of fertilizer quality analysis, in particular to the technical field of an agglomeration device and a determination method for evaluating the effect of an anti-caking agent.
Background
The production and application of chemical fertilizers in the world are developing towards the direction of high concentration, compounding and specialization, the agricultural modernization level of China is continuously improved, scientific field planting and fine-farming become mainstream, although the annual output of the compound fertilizer of China is more than thirty-thousand tons, a large amount of compound fertilizer needs to be imported by foreign exchange every year, part of the reasons are that the compounding degree of the domestic chemical fertilizer cannot keep up with the development speed of the agricultural market for the consumption of the compound fertilizer, the more main reason is that the domestic compound fertilizer is difficult to compete with foreign products in the market, the domestic compound fertilizer generally has caking phenomenon in the transportation and storage process, the caking problem of the compound fertilizer becomes one of the important reasons influencing the quality of the compound fertilizer and is a problem of production enterprises, the most effective anti-caking technology at present is to improve the caking condition of the fertilizer by adding an anti-caking agent, the method is particularly important for rapidly and effectively judging the anti-caking effect of the anti-caking agent in the face of diversification of fertilizer varieties and diversification of the anti-caking agent.
The existing fertilizer caking measurement modes comprise a stacking method and a sleeve method, the stacking method requires a large amount of samples, consumes 2-3 months, is greatly influenced by the external environment, and the front and back unification of the detection method of falling bags and screening is difficult to achieve; the time consumption of the sleeve method is as long as 2 months, in the experimental process, the pressure and the temperature of the sample can be adjusted only, the humidity is hardly influenced by the external environment and cannot be adjusted manually, and the device is too large and can only be placed in a constant-temperature water bath to adjust the temperature, and cannot be placed in a constant-temperature and constant-humidity climate box, so that the constant-temperature and constant-humidity climate box is inconvenient to simulate the actual fertilizer storage environment for quantitative test.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, can perform a rapid caking test under different temperature, humidity and pressure environments, rapidly measure the result and greatly shorten the measurement time, and provides the rapid caking device and the rapid measurement method for evaluating the effect of the anti-caking agent, which have simple structures and are convenient to operate.
The technical solution adopted by the present invention to solve the above technical problems is as follows:
the utility model provides a quick caking device of evaluation anti-caking agent effect, it includes sleeve base, sleeve pipe and gland, the sleeve is laid on the sleeve base, the sleeve pipe comprises 2 to 4, and this sleeve pipe overlaps in proper order and puts in the sleeve, and this sheathed tube external diameter is corresponding with telescopic internal diameter, the below of gland is provided with the plunger, and this plunger cover is put in the sleeve pipe, the external diameter of plunger is corresponding with sheathed tube internal diameter.
The sleeve is of a circular tube type, the inner side of the sleeve is provided with a convex strip, and the height of the sleeve is 2-5 mm lower than the total height of the sleeve.
The number of the convex strips is 4, and the thickness of each convex strip is 1.5-2.5 mm.
A base plate is arranged below the sleeve in the sleeve, and the outer diameter of the base plate is the same as that of the sleeve.
The sleeve is fixedly arranged on the sleeve base.
The rapid determination method comprises the following steps:
a. respectively loading an experimental fertilizer particle sample wrapped by the anti-caking agent and a reference fertilizer particle sample into two equipped rapid caking devices, and applying the same pressure to the fertilizer particles in the two rapid caking devices to 20000-25000N/m2；
b. Placing the two rapid caking devices in a constant-temperature constant-humidity climate box, and setting temperature, humidity and placing time;
c. after the set standing time is reached, taking out the two rapid caking devices from the constant-temperature constant-humidity climate box, and respectively taking out the fertilizer samples which are caked and connected together and are provided with the sleeve pipes from the two rapid caking devices;
d. the tensile force F, F of the two fertilizer samples is respectively detected by a tensile testing machine0F is the tensile force of an experimental fertilizer particle sample wrapped by the anti-caking agent, F0The tensile force of the fertilizer granule sample is compared;
e. calculating the caking rate eta = F/F according to a formula0Or the anti-blocking ratio theta = 1-F/F0。
The parameters set in the constant-temperature and constant-humidity climatic chamber are 3 days and night continuously, 8: 30 to 16: 30, setting the temperature of the climate box to be 40-50 ℃, setting the humidity to be 70-80%, and setting the humidity to be 16: 30 to day 8: 30, the temperature of the climate box is set to be 15-25 ℃, and the humidity is 90-100%.
The invention adopts the technical proposal to achieve the following beneficial effects:
the invention provides a rapid caking agent effect evaluation device and a rapid determination method, which have simple structure and convenient operation, can perform rapid caking tests under different temperature, humidity and pressure environments, can finish the anti-caking agent evaluation time which can be finished within about 2 months before under the condition that fertilizer samples are the same, can be finished by utilizing the device only within 3-5 days, greatly shortens the anti-caking agent evaluation time, saves manpower and material resources, and reduces the cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
the specific implementation mode is as follows:
as shown in fig. 1 and 2, a fast caking device for evaluating the effect of an anti-caking agent, which comprises a sleeve base 1, a sleeve 2, a sleeve 5 and a gland 7, wherein the sleeve 2 is arranged on the sleeve base 1, the sleeve 2 can be a circular tube type or can be directly and fixedly arranged on the sleeve base 1, the sleeve 5 is composed of 2 to 4 sleeves, the sleeve 5 is sequentially sleeved in the sleeve 2, the outer diameter of the sleeve 5 corresponds to the inner diameter of the sleeve 2, after the sleeves 5 are sequentially sleeved, the height of the sleeve 2 is lower than the total height of the sleeve 5 by 2 to 5mm, so as to ensure that the gland 7 is not propped by the sleeve 2 when pressed downwards, convex strips 3 are uniformly arranged on the inner side of the sleeve 2, the convex strips 3 are 4, the thickness of the convex strips 3 is 1.5 to 2.5mm, a gap is formed between the sleeve 5 and the sleeve 2 through the convex strips 3, a plunger 6 is arranged below the gland 7, the plunger 6 is sleeved in the sleeve 5, the outer diameter of the plunger 6 corresponds to the inner diameter of the sleeve 5, the backing plate 4 is placed below the sleeve 5 in the sleeve 2, and the outer diameter of the backing plate 4 is the same as that of the sleeve 5.
When the device is used, a required material for testing is placed in the sleeve 5 and is arranged between the base plate 4 and the plunger 6, the plunger 6 is urged to compress the material by applying force to the gland 7, so that the material achieves the caking effect, and the caked material is connected with the sleeve 5, the gland 7 and the base plate 4 together and is taken out of the sleeve 2 to be tested according to the steps of a rapid test method.
The rapid determination method comprises the following steps:
a. the experimental fertilizer particle sample wrapped by the anti-caking agent and the control fertilizer particle sample are respectively filled into the two fast caking devices which are well equipped, the same set pressure is applied to the fertilizer particle samples in the two fast caking devices, and the pressure F is1(P is 20 bags of fertilizer in a stacking method, 50 kg/bag of stack height, and the pressure applied to the lowest bag is 20000-25000N/m)2S is the bottom area of the plunger under the pressure cover in the rapid caking device and F is calculated according to1The purpose can be achieved by adding weights with corresponding weights above a gland of the rapid caking device;
b. placing the two rapid caking devices in a constant-temperature constant-humidity climate box, and setting temperature, humidity and placing time; the specific setting parameters are as follows: the time is 3 continuous days and nights, and 8: 30 to 16: 30, setting the temperature of the climate box to be 40-50 ℃ and the humidity to be 70-80%, wherein the total standing time of the parameter group is 24-30 hours, and 16: 30 to day 8: 30, setting the temperature of the climate box to be 15-25 ℃, and setting the humidity to be 90-100%, wherein the total standing time of the parameter group is 42-48 hours;
c. after the set standing time is reached, taking out the two rapid caking devices from the constant-temperature constant-humidity climate box, and respectively taking out the fertilizer samples which are caked and connected together and are provided with the sleeve pipes from the two rapid caking devices;
d. an electronic tension tester is used for respectively detecting tension F, F of the two fertilizer samples0F is the tensile force of an experimental fertilizer particle sample wrapped by the anti-caking agent, F0The tensile force of the fertilizer granule sample is compared;
e. calculating the caking rate eta = F/F according to a formula0Or the anti-blocking ratio theta = 1-F/F0。
The lower the value of the caking ratio or the higher the value of the caking ratio, the better the caking prevention effect of the anti-caking agent.
Claims (7)
1. The utility model provides a quick caking device of evaluation anti-caking agent effect which characterized in that: the sleeve is placed on the sleeve base, the sleeve is composed of 2-4 sleeves, the sleeves are sequentially sleeved in the sleeve, the outer diameter of each sleeve corresponds to the inner diameter of the corresponding sleeve, a plunger is arranged below the gland and sleeved in the corresponding sleeve, and the outer diameter of the plunger corresponds to the inner diameter of the corresponding sleeve.
2. The rapid caking device for evaluating the effect of a caking additive according to claim 1, wherein: the sleeve is of a circular tube type, the inner side of the sleeve is provided with a convex strip, and the height of the sleeve is 2-5 mm lower than the total height of the sleeve.
3. The rapid caking device for evaluating the effect of a caking additive according to claim 2, wherein: the number of the convex strips is 4, and the thickness of each convex strip is 1.5-2.5 mm.
4. The rapid caking device for evaluating the effect of a caking additive according to claim 1, wherein: a base plate is arranged below the sleeve in the sleeve, and the outer diameter of the base plate is the same as that of the sleeve.
5. The rapid caking device for evaluating the effect of a caking additive according to claim 1, wherein: the sleeve is fixedly arranged on the sleeve base.
6. A rapid test method for evaluating the effect of an anti-caking agent according to claim 1, 2, 3, 4 or 5, wherein: the rapid determination method comprises the following steps:
a. will wrap up in the experiment fertilizer granule sample and the control fertilizer granule sample of anti-caking agent pack into two above-mentioned quick caking devices that equip respectively in, to above-mentioned two quick caking devicesThe same pressure applied by the fertilizer granule samples in the device is 20000-25000N/m2；
b. Placing the two rapid caking devices in a constant-temperature constant-humidity climate box, and setting temperature, humidity and placing time;
c. after the set standing time is reached, taking out the two rapid caking devices from the constant-temperature constant-humidity climate box, and respectively taking out the fertilizer samples which are caked and connected together and are provided with the sleeve pipes from the two rapid caking devices;
d. the tensile force F, F of the two fertilizer samples is respectively detected by a tensile testing machine0F is the tensile force of an experimental fertilizer particle sample wrapped by the anti-caking agent, F0The tensile force of the fertilizer granule sample is compared;
e. calculating the caking rate eta = F/F according to a formula0Or the anti-blocking ratio theta = 1-F/F0。
7. The rapid determination method for evaluating the effect of the anti-caking agent according to claim 6, which is characterized in that: the parameters set in the constant-temperature and constant-humidity climatic chamber are 3 days and night continuously, 8: 30 to 16: 30, setting the temperature of the climate box to be 40-50 ℃, setting the humidity to be 70-80%, and setting the humidity to be 16: 30 to day 8: 30, the temperature of the climate box is set to be 15-25 ℃, and the humidity is 90-100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110100131.7A CN113758798A (en) | 2021-01-26 | 2021-01-26 | Rapid caking device for evaluating effect of anti-caking agent and rapid determination method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110100131.7A CN113758798A (en) | 2021-01-26 | 2021-01-26 | Rapid caking device for evaluating effect of anti-caking agent and rapid determination method |
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| CN113758798A true CN113758798A (en) | 2021-12-07 |
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| CN202110100131.7A Pending CN113758798A (en) | 2021-01-26 | 2021-01-26 | Rapid caking device for evaluating effect of anti-caking agent and rapid determination method |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB716800A (en) * | 1951-12-07 | 1954-10-13 | Ici Ltd | Improvements in and relating to apparatus and method for testing the caking tendencyof granular or crystalline materials |
| CN1132191A (en) * | 1994-11-24 | 1996-10-02 | 策卡有限公司 | Method for treatment of fertilizer for preventing caking as well as generating powder in storage |
| JPH11304676A (en) * | 1998-04-17 | 1999-11-05 | Mitsubishi Chemical Corp | Device for preparing sample for solidification test and solidification testing method |
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| CN209992271U (en) * | 2019-03-08 | 2020-01-24 | 武汉海力特科技股份有限公司 | Mould of chemical fertilizer caking experiment |
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- 2021-01-26 CN CN202110100131.7A patent/CN113758798A/en active Pending
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| CN1132191A (en) * | 1994-11-24 | 1996-10-02 | 策卡有限公司 | Method for treatment of fertilizer for preventing caking as well as generating powder in storage |
| JPH11304676A (en) * | 1998-04-17 | 1999-11-05 | Mitsubishi Chemical Corp | Device for preparing sample for solidification test and solidification testing method |
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