CN214150519U - Ammonium sulfate metastable zone measuring device under action of ammonium nitrate - Google Patents
Ammonium sulfate metastable zone measuring device under action of ammonium nitrate Download PDFInfo
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- CN214150519U CN214150519U CN202120153676.XU CN202120153676U CN214150519U CN 214150519 U CN214150519 U CN 214150519U CN 202120153676 U CN202120153676 U CN 202120153676U CN 214150519 U CN214150519 U CN 214150519U
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- ammonium
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- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 229910052921 ammonium sulfate Inorganic materials 0.000 title claims abstract description 93
- 235000011130 ammonium sulphate Nutrition 0.000 title claims abstract description 93
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 title claims abstract description 67
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000002425 crystallisation Methods 0.000 claims abstract description 43
- 230000008025 crystallization Effects 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000012806 monitoring device Methods 0.000 claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000003760 magnetic stirring Methods 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 6
- 230000002572 peristaltic effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 230000003760 hair shine Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 15
- 239000002904 solvent Substances 0.000 description 10
- 239000013078 crystal Substances 0.000 description 7
- 238000004090 dissolution Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
- 239000013081 microcrystal Substances 0.000 description 4
- 230000035772 mutation Effects 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910021642 ultra pure water Inorganic materials 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Images
Abstract
The utility model relates to an ammonium sulfate is situated between steady district measuring device under ammonium nitrate effect belongs to and measures technical field. The device includes water bath constant temperature equipment, a cooling device, helium neon laser emitter, magnetic stirrers, the cover crystallizer of pressing from both sides, temperature monitoring device and power receiver, constant temperature equipment's liquid medium pipeline I and the thermostatic chamber intercommunication of cover crystallizer, constant temperature equipment's liquid medium pipeline II and cooling device intercommunication, helium neon laser emitter and power receiver set up respectively in the relative both sides of pressing from both sides the cover crystallizer, the laser of helium neon laser emitter transmission shines to the power receiver behind the cover crystallizer on, temperature monitoring device sets up on the top of pressing from both sides the cover crystallizer and temperature monitoring device's probe is inserted and is established in the ammonium sulfate solution that contains ammonium nitrate of cover crystallizer crystallization chamber. The utility model discloses but utilize the metastable district of intervening of the stable district measuring device accurate measurement ammonium nitrate of laser method principle to be worked on the lower stable district of intervening of ammonium sulfate, device easy operation just can obtain the measuring result of high reliability.
Description
Technical Field
The utility model relates to an ammonium sulfate is situated between steady district measuring device under ammonium nitrate effect belongs to and measures technical field.
Background
Ammonium sulfate and ammonium nitrate are excellent nitrogen fertilizers and are commonly used in crop fertilization to improve crop quality and yield. The ammonia desulphurization technology can effectively treat SO2Meanwhile, the fertilizer ammonium sulfate is obtainedThe product has higher social value, but the defects of the method are as follows: NO in flue gasXNot removed well. The development trend of the existing flue gas purification technology is to obtain ammonium sulfate and ammonium nitrate fertilizer byproducts while performing desulfurization and denitrification. The width of the metastable zone is an important parameter for optimizing the crystallization process and the production process, and can provide the optimal supersaturation degree for ammonium sulfate crystallization. Therefore, the ammonium sulfate metastable zone under the action of measuring different ammonium nitrate contents has both theoretical reference value and practical application value.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem of steady district measurement is situated between to ammonium sulfate under the current ammonium nitrate effect, provides an ammonium sulfate is situated between steady district measuring device under the ammonium nitrate effect, the utility model discloses can survey different ammonium nitrate content effects and to the ammonium sulfate be situated between steady district width down, provide the reference for guiding ammonium sulfate production and optimization operation.
The utility model discloses a solve its technical problem and the technical scheme who adopts is:
the utility model provides an ammonium sulfate metastable zone measuring device under ammonium nitrate effect, including constant temperature equipment 1, cooling device 2, helium neon laser emitter 3, magnetic stirring device, jacket crystallizer 5, temperature monitoring device 6 and power receiver 7, jacket crystallizer 5 includes the constant temperature chamber in crystallization chamber and outside, the ammonium sulfate solution that contains ammonium nitrate is installed in the crystallization chamber, constant temperature equipment 1's liquid medium pipeline I and the constant temperature chamber intercommunication of jacket crystallizer 5, constant temperature equipment 1's liquid medium pipeline II and cooling device 2 intercommunication, helium neon laser emitter 3 and power receiver 7 set up the relative both sides at jacket crystallizer 5 respectively, helium neon laser emitter 3 and power receiver 7 are located same water flat line, the laser that helium neon laser emitter 3 sent shines to power receiver 7 behind jacket crystallizer 5, temperature monitoring device 6 sets up on the top of jacket crystallizer 5 and temperature monitoring device 6's probe is inserted and is established at jacket crystallizer 5 crystallization chamber The magnetic stirring device comprises a magnetic stirring rotor and a magnetic stirrer 4, the jacket crystallizer 5 is arranged at the top end of the magnetic stirrer 4, and the magnetic stirring rotor is arranged in a crystallization cavity of the jacket crystallizer 5;
the temperature of the liquid medium is controlled by the constant temperature device 1 and the cooling device 2, so that the temperature of the ammonium sulfate solution containing ammonium nitrate in the crystallization cavity is accurately controlled;
the digital display helium-neon laser transmitter transmits helium-neon laser to pass through the crystallizer, the power receiver receives the laser at the other side, and converts the received laser into an electric signal and displays a signal numerical value; once micro crystals appear in the solution in the jacket crystallizer, the solution has a scattering effect on laser, and the generation and dissolution of the micro crystals can cause the light intensity penetrating through the solution to generate mutation and reflect the mutation on the reading of a display instrument; along with the slow change of the temperature, when ammonium sulfate is completely dissolved or tiny crystals are generated under the action of ammonium nitrate, the laser reading can be obviously changed;
the ammonium sulfate metastable zone measuring device under the action of the ammonium nitrate further comprises a power display screen, and the power display screen is connected with the power receiver 7;
the liquid medium pipeline I is provided with a peristaltic pump I, and the liquid medium pipeline II is provided with a peristaltic pump II;
the jacket crystallizer 5 is a glass jacket crystallizer, a thermostatic chamber is arranged in the glass jacket, a water inlet is formed in the bottom of the thermostatic chamber, a water outlet is formed in the top of the thermostatic chamber, and the thermostatic device 1 is a thermostatic water bath device;
the temperature monitoring device 6 is a digital thermometer, and a probe of the digital thermometer is inserted into the ammonium sulfate solution in the crystallization cavity of the jacket crystallizer 5;
or, the temperature monitoring device 6 comprises a temperature sensor and a temperature data acquisition instrument, the temperature sensor is connected with the temperature data acquisition instrument, and a sensing probe of the temperature sensor is inserted into the ammonium sulfate solution in the crystallization cavity of the jacket crystallizer 5;
furthermore, a sealing plug is arranged at the top end of the jacket crystallizer, and a probe of a thermometer or a temperature sensor penetrates through the sealing plug and is inserted into the ammonium sulfate solution in the crystallization cavity of the jacket crystallizer;
the use method of the ammonium sulfate metastable zone measuring device under the action of ammonium nitrate comprises the following specific steps
(1) Arranging an ammonium sulfate metastable zone measuring device under the action of ammonium nitrate;
(2) adding a solvent with preset mass into a crystallization cavity of a jacket crystallizer, enabling a helium neon laser emitter to emit helium neon laser to penetrate through the jacket crystallizer, enabling a power receiver to receive the laser at the other side, converting the received laser into an electric signal and displaying a signal value, and enabling a power display to display a power value, namely a maximum power value;
(3) ammonium nitrate and ammonium sulfate with preset mass are added into a solvent in a crystallization cavity of a jacket crystallizer, a helium neon laser emitter emits helium neon laser to penetrate through the crystallizer, a power receiver receives the laser at the other side, the received laser is converted into an electric signal and displays a signal value, and a power display displays a power value, namely a power minimum value;
(4) heating the solution in the crystallization cavity of the jacket crystallizer by using a liquid medium of a constant temperature device to enable the solution to be heated at a constant speed, and simultaneously stirring the solution at a constant speed by using a stirring device to enable ammonium nitrate and ammonium sulfate to be dissolved in a solvent; the helium neon laser emitter emits helium neon laser to penetrate through the crystallizer, the power receiver receives the laser on the other side, the received laser is converted into an electric signal and displays a signal numerical value, the power display displays power numerical value change, namely the power numerical value is gradually increased to the power numerical value in the step (2) along with the dissolution of ammonium nitrate and ammonium sulfate solids, the ammonium sulfate solution containing the ammonium nitrate reaches a saturated state, and the recorded temperature value is T0，T0Is solubility;
(5) under the condition of stirring, the solution in the crystallization cavity of the jacket crystallizer is cooled at a constant speed by a liquid medium of a constant temperature device until crystals appear, a power display displays that the power value begins to become smaller, and the recorded temperature value is T1，T1Is super-solubility;
(6) calculating a metastable zone width Δ T, wherein Δ T ═ T0-T1。
The utility model has the advantages that:
(1) the utility model can determine the influence of different ammonium nitrate contents on the solubility and the metastable region of ammonium sulfate by utilizing the measuring device of the metastable region of ammonium sulfate under the action of the ammonium nitrate based on the laser method so as to improve the crystallization condition of the ammonium sulfate and improve the crystallization quantity and the crystal quality of the ammonium sulfate;
(2) the utility model discloses utilize the laser method principle to measure the device simple installation in metastable zone, compare in traditional detection method, the gained experimental result is accurate and reliable.
Drawings
FIG. 1 shows a measuring device for metastable zone of ammonium sulfate under the action of ammonium nitrate;
in the figure, 1-a water bath constant temperature device, 2-a cooling device, 3-a helium neon laser emitter, 4-a magnetic stirrer, 5-a jacket crystallizer, 6-a temperature monitoring device and 7-a power receiver;
FIG. 2 is a diagram showing the width of the metastable zone of ammonium sulfate under the action of ammonium nitrate with the mass concentration of 2.5%;
FIG. 3 is a diagram showing the width of the metastable zone of ammonium sulfate under the action of 5% ammonium nitrate.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Example 1: as shown in figure 1, a device for measuring the metastable zone of ammonium sulfate under the action of ammonium nitrate, which comprises a constant temperature device 1, a cooling device 2, a helium neon laser emitter 3, a magnetic stirring device, a jacket crystallizer 5, a temperature monitoring device 6 and a power receiver 7, wherein the jacket crystallizer 5 comprises a crystallization cavity and a constant temperature cavity at the outer side, ammonium sulfate solution containing ammonium nitrate is arranged in the crystallization cavity, a liquid medium pipeline I of the constant temperature device 1 is communicated with the constant temperature cavity of the jacket crystallizer 5, a liquid medium pipeline II of the constant temperature device 1 is communicated with the cooling device 2, the helium neon laser emitter 3 and the power receiver 7 are respectively arranged at two opposite sides of the jacket crystallizer 5, the helium neon laser emitter 3 and the power receiver 7 are positioned on the same horizontal line, laser emitted by the helium neon laser emitter 3 passes through the jacket crystallizer 5 and then irradiates the power receiver 7, the temperature monitoring device 6 is arranged at the top end of the jacket crystallizer 5, and a probe of the temperature monitoring device 6 is inserted into the jacket junction In the ammonium sulfate solution containing ammonium nitrate in the crystallization cavity of the crystallizer 5, the magnetic stirring device comprises a magnetic stirring rotor and a magnetic stirrer 4, the jacket crystallizer 5 is arranged at the top end of the magnetic stirrer 4, and the magnetic stirring rotor is arranged in the crystallization cavity of the jacket crystallizer 5; the magnetic stirrer 4 drives the magnetic stirring rotor to rotate to stir the ammonium sulfate solution, so that the ammonium sulfate solution is uniformly heated, and the dissolution of the ammonium sulfate is accelerated;
the temperature of the liquid medium is controlled by the constant temperature device 1 and the cooling device 2, so that the temperature of the ammonium sulfate solution containing ammonium nitrate in the crystallization cavity is accurately controlled;
the digital display helium-neon laser transmitter transmits helium-neon laser to pass through the crystallizer, the power receiver receives the laser at the other side, and converts the received laser into an electric signal and displays a signal numerical value; once micro crystals appear in the solution in the jacket crystallizer, the solution has a scattering effect on laser, and the generation and dissolution of the micro crystals can cause the light intensity penetrating through the solution to generate mutation and reflect the mutation on the reading of a display instrument; along with the slow change of the temperature, when ammonium sulfate is completely dissolved or tiny crystals are generated under the action of ammonium nitrate, the laser reading can be obviously changed;
the ammonium sulfate metastable zone measuring device under the action of ammonium nitrate also comprises a power display screen, and the power display screen is connected with a power receiver 7;
the liquid medium pipeline I is provided with a peristaltic pump I, and the liquid medium pipeline II is provided with a peristaltic pump II;
the jacket crystallizer 5 is a glass jacket crystallizer, a thermostatic chamber is arranged in the glass jacket, a water inlet is formed in the bottom of the thermostatic chamber, a water outlet is formed in the top of the thermostatic chamber, and the thermostatic device 1 is a thermostatic water bath device;
the temperature monitoring device 6 is a digital thermometer, and a probe of the digital thermometer is inserted into the ammonium sulfate solution in the crystallization cavity of the jacket crystallizer 5;
a sealing plug is arranged at the top end of the jacket crystallizer, and a probe of a thermometer or a temperature sensor passes through the sealing plug and is inserted into the ammonium sulfate solution in the crystallization cavity of the jacket crystallizer;
the use method of the ammonium sulfate metastable zone measuring device under the action of ammonium nitrate comprises the following specific steps
(1) Arranging an ammonium sulfate metastable zone measuring device under the action of ammonium nitrate;
(2) adding a solvent with preset mass into a crystallization cavity of a jacket crystallizer, enabling a helium neon laser emitter to emit helium neon laser to penetrate through the jacket crystallizer, enabling a power receiver to receive the laser at the other side, converting the received laser into an electric signal and displaying a signal value, and enabling a power display to display a power value, namely a maximum power value;
(3) ammonium nitrate and ammonium sulfate with preset mass are added into a solvent in a crystallization cavity of a jacket crystallizer, a helium neon laser emitter emits helium neon laser to penetrate through the crystallizer, a power receiver receives the laser at the other side, the received laser is converted into an electric signal and displays a signal value, and a power display displays a power value, namely a power minimum value;
(4) heating the solution in the crystallization cavity of the jacket crystallizer by using a liquid medium of a constant temperature device to enable the solution to be heated at a constant speed, and simultaneously stirring the solution at a constant speed by using a stirring device to enable ammonium nitrate and ammonium sulfate to be dissolved in a solvent; the helium neon laser emitter emits helium neon laser to penetrate through the crystallizer, the power receiver receives the laser on the other side, the received laser is converted into an electric signal and displays a signal numerical value, the power display displays power numerical value change, namely the power numerical value is gradually increased to the power numerical value in the step (2) along with the dissolution of ammonium nitrate and ammonium sulfate solids, the ammonium sulfate solution containing the ammonium nitrate reaches a saturated state, and the recorded temperature value is T0，T0Solubility of ammonium sulfate;
(5) under the condition of stirring, the solution in the crystallization cavity of the jacket crystallizer is cooled at a constant speed by a liquid medium of a constant temperature device until crystals appear, a power display displays that the power value begins to become smaller, and the recorded temperature value is T1，T1Is the super solubility of ammonium sulfate;
(6) calculating the metastable zone width Delta T, namely the metastable zone width of the ammonium sulfate, wherein Delta T is T0-T1。
Example 2: the ammonium sulfate metastable zone measuring device under the action of ammonium nitrate in the embodiment is basically the same as the ammonium sulfate metastable zone measuring device under the action of ammonium nitrate in the embodiment 1, and the difference is that: the temperature monitoring device 6 comprises a temperature sensor and a temperature data acquisition instrument, the temperature sensor is connected with the temperature data acquisition instrument, and a sensing probe of the temperature sensor is inserted into the ammonium sulfate solution in the crystallization cavity of the jacket crystallizer 5.
Example 3: in this embodiment, the method for measuring the metastable zone of ammonium sulfate by using the device for measuring the metastable zone of ammonium sulfate under the action of ammonium nitrate in embodiment 1 and the mass concentration of ammonium sulfate is 2.5% comprises the following specific steps:
(1) arranging an ammonium sulfate metastable zone measuring device under the action of ammonium nitrate;
(2) ultrapure water with the preset mass of 100g is added into a crystallization cavity of the jacket crystallizer, a helium neon laser emitter emits helium neon laser to penetrate through the jacket crystallizer, a power receiver receives the laser at the other side, the received laser is converted into an electric signal and a signal value is displayed, and a power display displays the power value of 2.0mW, namely the maximum power value;
(3) 2.564g of ammonium nitrate and ammonium sulfate with preset mass are added into a solvent in a crystallization cavity of a jacket crystallizer, a helium-neon laser emitter emits helium-neon laser to penetrate through the jacket crystallizer, a power receiver receives the laser at the other side, the received laser is converted into an electric signal and a signal value is displayed, and a power display displays the power value of 0.0mW, namely the power minimum value;
(4) heating the solution in the crystallization cavity of the jacket crystallizer by using a liquid medium of a constant temperature device to enable the solution to be heated at a constant speed, and simultaneously stirring the solution at a constant speed by using a stirring device to enable ammonium nitrate and ammonium sulfate to be dissolved in a solvent, wherein the stirring speed is 250 r/min; the helium neon laser emitter emits helium neon laser to penetrate through the jacket crystallizer, the power receiver receives the laser on the other side, the received laser is converted into an electric signal and a signal numerical value is displayed, the power display displays the power numerical value change, namely the power numerical value is gradually increased to the power numerical value of 2.0mW in the step (2) along with the dissolution of the ammonium sulfate solid, the ammonium sulfate solution is in a saturated state, and the temperature value is recorded as T0，T0The solubility of ammonium sulfate under the action of ammonium nitrate with the mass concentration of 2.5 percent;
(5) under the condition of stirring, the solution in the crystallization cavity of the jacket crystallizer is cooled at a constant speed by a liquid medium of a constant temperature device until crystals appear, a power display displays that the power value begins to become smaller, and the recorded temperature value is T1，T1Is ammonium nitrate with the mass concentration of 2.5 percentThe super-solubility of ammonium sulfate under the action;
(6) calculating the width Delta T of the metastable zone, namely the difference between the solubility and the super-solubility of the ammonium sulfate under the action of 2.5 percent ammonium nitrate by mass concentration, wherein the Delta T is T0-T1；
The width of the metastable zone of ammonium sulfate under the action of ammonium nitrate with a mass concentration of 2.5% is plotted in this example as shown in FIG. 2.
Example 4: in this embodiment, the method for measuring the metastable zone of ammonium sulfate by using the device for measuring the metastable zone of ammonium sulfate under the action of ammonium nitrate in embodiment 1 and under the action of ammonium nitrate with the mass concentration of 5% includes the following steps:
(1) arranging an ammonium sulfate metastable zone measuring device under the action of ammonium nitrate;
(2) ultrapure water with the preset mass of 100g is added into a crystallization cavity of the jacket crystallizer, a helium neon laser emitter emits helium neon laser to penetrate through the jacket crystallizer, a power receiver receives the laser at the other side, the received laser is converted into an electric signal and a signal value is displayed, and a power display displays the power value of 2.0mW, namely the maximum power value;
(3) 5.263g of ammonium nitrate and ammonium sulfate with preset mass are added into a solvent in a crystallization cavity of a jacket crystallizer, a helium-neon laser emitter emits helium-neon laser to penetrate through the jacket crystallizer, a power receiver receives the laser at the other side, the received laser is converted into an electric signal and a signal value is displayed, and a power display displays the power value of 0.0mW, namely the power minimum value;
(4) heating the solution in the crystallization cavity of the jacket crystallizer by using a liquid medium of a constant temperature device to enable the solution to be heated at a constant speed, and simultaneously stirring the solution by using a stirring device at a constant speed to enable ammonium nitrate and ammonium sulfate to be dissolved in a solvent, wherein the stirring speed is 200 r/min; the helium neon laser emitter emits helium neon laser to penetrate through the jacket crystallizer, the power receiver receives the laser on the other side, the received laser is converted into an electric signal and a signal numerical value is displayed, the power display displays the power numerical value change, namely the power numerical value is gradually increased to the power numerical value of 2.0mW in the step (2) along with the dissolution of the ammonium sulfate solid, the ammonium sulfate solution is in a saturated state, and the temperature value is recorded as T0，T0The solubility of ammonium sulfate under the action of ammonium nitrate with the mass concentration of 5 percent;
(5) under the condition of stirring, the solution in the crystallization cavity of the jacket crystallizer is cooled at a constant speed by a liquid medium of a constant temperature device until crystals appear, a power display displays that the power value begins to become smaller, and the recorded temperature value is T1，T1The ammonium sulfate is the super-solubility of ammonium sulfate under the action of ammonium nitrate with the mass concentration of 5 percent;
(6) calculating the width Delta T of the metastable zone, namely the difference between the solubility and the super-solubility of the ammonium sulfate under the action of 5 percent ammonium nitrate by mass concentration, wherein the Delta T is T0-T1；
The width of the metastable zone of ammonium sulfate under the action of 5% ammonium nitrate by mass concentration is plotted in the example of figure 3.
While the present invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an ammonium sulfate metastable zone measuring device under ammonium nitrate effect which characterized in that: comprises a constant temperature device (1), a cooling device (2), a helium neon laser emitter (3), a magnetic stirring device, a jacket crystallizer (5), a temperature monitoring device (6) and a power receiver (7), wherein the jacket crystallizer (5) comprises a crystallization cavity and a constant temperature cavity at the outer side, ammonium sulfate solution containing ammonium nitrate is arranged in the crystallization cavity, a liquid medium pipeline I of the constant temperature device (1) is communicated with the constant temperature cavity of the jacket crystallizer (5), a liquid medium pipeline II of the constant temperature device (1) is communicated with the cooling device (2), the helium neon laser emitter (3) and the power receiver (7) are respectively arranged at two opposite sides of the jacket crystallizer (5), the helium neon laser emitter (3) and the power receiver (7) are positioned on the same horizontal line, laser emitted by the helium neon laser emitter (3) irradiates the power receiver (7) after passing through the jacket crystallizer (5), the temperature monitoring device (6) is arranged at the top end of the jacket crystallizer (5), a probe of the temperature monitoring device (6) is inserted into an ammonium sulfate solution containing ammonium nitrate in a crystallization cavity of the jacket crystallizer (5), the magnetic stirring device comprises a magnetic stirring rotor and a magnetic stirrer (4), the jacket crystallizer (5) is arranged at the top end of the magnetic stirrer (4), and the magnetic stirring rotor is arranged in the crystallization cavity of the jacket crystallizer (5).
2. The ammonium sulfate metastable zone measuring device under the action of ammonium nitrate as claimed in claim 1, characterized in that: the power display screen is connected with the power receiver (7).
3. The ammonium sulfate metastable zone measuring device under the action of ammonium nitrate as claimed in claim 1, characterized in that: the liquid medium pipeline I is provided with a peristaltic pump I, and the liquid medium pipeline II is provided with a peristaltic pump II.
4. The ammonium sulfate metastable zone measuring device under the action of ammonium nitrate as claimed in claim 1, characterized in that: the jacket crystallizer (5) is a glass jacket crystallizer, a thermostatic chamber is arranged in the glass jacket, a water inlet is formed in the bottom of the thermostatic chamber, a water outlet is formed in the top of the thermostatic chamber, and the thermostatic device (1) is a thermostatic water bath device.
5. The ammonium sulfate metastable zone measuring device under the action of ammonium nitrate as claimed in claim 1, characterized in that: the temperature monitoring device (6) is a digital thermometer, and a probe of the digital thermometer is inserted into the ammonium sulfate solution in the crystallization cavity of the jacket crystallizer (5).
6. The ammonium sulfate metastable zone measuring device under the action of ammonium nitrate as claimed in claim 1, characterized in that: the temperature monitoring device (6) comprises a temperature sensor and a temperature data acquisition instrument, the temperature sensor is connected with the temperature data acquisition instrument, and a sensing probe of the temperature sensor is inserted into the ammonium sulfate solution in the crystallization cavity of the jacket crystallizer (5).
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| CN202120153676.XU CN214150519U (en) | 2021-01-20 | 2021-01-20 | Ammonium sulfate metastable zone measuring device under action of ammonium nitrate |
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