CN114184738A - System and method for detecting content of calcium oxide in inorganic binder - Google Patents
System and method for detecting content of calcium oxide in inorganic binder Download PDFInfo
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- CN114184738A CN114184738A CN202111558273.4A CN202111558273A CN114184738A CN 114184738 A CN114184738 A CN 114184738A CN 202111558273 A CN202111558273 A CN 202111558273A CN 114184738 A CN114184738 A CN 114184738A
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- inorganic binder
- calcium oxide
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- 239000011230 binding agent Substances 0.000 title claims abstract description 32
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000000292 calcium oxide Substances 0.000 title claims abstract description 28
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 175
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 42
- 239000000243 solution Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 description 17
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 10
- 239000011259 mixed solution Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229930006000 Sucrose Natural products 0.000 description 4
- 239000003929 acidic solution Substances 0.000 description 4
- 239000005720 sucrose Substances 0.000 description 4
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 125000000185 sucrose group Chemical group 0.000 description 1
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 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
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The embodiment of the application relates to a calcium oxide content detection system and a detection method in inorganic binder, the detection system comprises a detection box, a feeding cover arranged on the detection box and used for sealing a feeding port on the detection box, an exhaust valve arranged on the top surface of the detection box, an injection unit used for injecting solution into the detection box, a liquid level detection unit arranged in the exhaust valve, a reagent unit arranged on the detection box and used for injecting detection reagent into the detection box, and a diaphragm pump with an input end and an output end both connected with the detection box, wherein the liquid level detection unit is used for feeding back the injection unit, so that the detection box is filled with mixed liquid in the detection process. The system and the method for detecting the content of calcium oxide in the inorganic binder disclosed by the embodiment of the application can be used for rapidly calibrating the content of calcium oxide in the inorganic binder on site.
Description
Technical Field
The application relates to the technical field of quality control, in particular to a system and a method for detecting the content of calcium oxide in an inorganic binder.
Background
The content detection of calcium oxide in the inorganic binder is an important link of quality control, most of the existing detection modes need to be carried out in a laboratory, related workers need to be equipped, and certain time needs to be consumed in the sampling, inspection and waiting processes.
Disclosure of Invention
The embodiment of the application provides a system and a method for detecting the content of calcium oxide in an inorganic binder, which can be used for rapidly calibrating the content of calcium oxide in the inorganic binder on site.
The above object of the embodiments of the present application is achieved by the following technical solutions:
in a first aspect, an embodiment of the present application provides a system for detecting a content of calcium oxide in an inorganic binder, including:
a detection box;
the feeding cover is arranged on the detection box and used for sealing a feeding port on the detection box;
the exhaust valve is arranged on the top surface of the detection box;
the injection unit is used for injecting solution into the detection box;
the liquid level detection unit is arranged in the exhaust valve and used for feeding back to the injection unit so that the detection box is filled with mixed liquid in the detection process;
the reagent unit is arranged on the detection box and used for injecting a detection reagent into the detection box; and
the diaphragm pump, input and output all are connected with the detection case.
In one possible implementation of the second aspect, the distance between the top surface of the detection box and the bottom surface of the detection box tends to increase in a direction near the center of the top surface of the detection box;
the exhaust valve is located at the highest position of the top surface of the detection box.
In one possible implementation of the second aspect, the exhaust valve includes:
the valve body is communicated with the space in the detection box; and
the one-way breathable film is arranged in the valve body and divides the space in the valve body into a first space and a second space;
the first space is communicated with the space in the detection box;
the second space is in communication with the outside atmosphere.
In one possible implementation manner of the second aspect, the liquid level detection unit includes:
the pressure sensor is arranged on the valve body, and the detection end of the pressure sensor extends into the first space;
the liquid sensor is arranged on the valve body, and the detection end of the liquid sensor extends into the second space; and
and the controller is used for carrying out data communication with the injection unit according to the feedback of the pressure sensor and the liquid sensor.
In one possible implementation of the second aspect, the detection end of the pressure sensor abuts against the unidirectional air-permeable membrane.
In one possible implementation of the second aspect, the reagent unit comprises:
the rotating shaft is rotatably connected with the detection box, and the first end of the rotating shaft is positioned in the detection box;
the driving motor is arranged on the detection box and connected with the second end of the rotating shaft;
the detection disc is arranged on the first end of the rotating shaft;
the reagent bins are uniformly distributed on the detection disc;
the sealing membrane is used for sealing the open end of the reagent bin; and
the output end of the control unit is connected with the driving motor and used for adjusting the rotating speed of the driving motor;
wherein the strength of the sealing films is different.
In a second aspect, an embodiment of the present application provides a method for detecting a content of calcium oxide in an inorganic binder, including:
adding a certain amount of sample into a detection box;
injecting enough solution into the detection box until the gas in the detection box is completely discharged;
driving the solution in the detection box to flow until the sample is melted; and
sequentially adding a plurality of detection reagents into the detection box until the color of the mixture in the detection box is not changed any more;
wherein, the mixture in the detection box is always in a flowing state.
Drawings
Fig. 1 is a schematic structural diagram of a system for detecting the content of calcium oxide in an inorganic binder according to an embodiment of the present disclosure.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
FIG. 3 is a schematic diagram of a distribution of reagent cartridges on a test tray according to an embodiment of the present disclosure.
FIG. 4 is a schematic view of the connection between the reagent cartridge and the sealing film according to the embodiment of the present disclosure.
In the figure, 11, a detection box, 12, a feeding cover, 13, an exhaust valve, 14, an injection unit, 15, a liquid level detection unit, 16, a reagent unit, 17, a diaphragm pump, 131, a valve body, 132, a one-way air-permeable membrane, 133, a first space, 134, a second space, 151, a pressure sensor, 152, a liquid sensor, 161, a rotating shaft, 162, a driving motor, 163, a detection disc, 164, a reagent bin, 165, a sealing membrane, 166, a control unit, 6 and a controller.
Detailed Description
The technical solution of the present application will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, in order to provide a system for detecting the content of calcium oxide in an inorganic binder disclosed in an embodiment of the present application, the system includes a detection box 11, a feeding cover 12, an exhaust valve 13, an injection unit 14, a liquid level detection unit 15, a reagent unit 16, a diaphragm pump 17, and the like, where the detection box 11 is used to provide a closed environment in which a sample (the inorganic binder) can be dissolved in a solution in the detection box 11 and titrated.
The feeding cover 12 is disposed on the detection box 11 and is used for sealing the feeding port of the detection box 11, that is, when a sample (inorganic binder) is added into the detection box 11, the feeding cover 12 needs to be removed first to expose the feeding port of the detection box 11, then the sample (inorganic binder) is poured into the detection box 11 through the feeding port, and finally the feeding cover 12 is reinstalled on the detection box 11.
In some possible ways, the connection between the feeding cover 12 and the detection box 11 is a threaded connection.
In some possible ways, the dosing lid 12 is located on the side wall of the detection box 11 instead of the top surface, in order to avoid air entrapment at the dosing lid 12.
The exhaust valve 13 is installed on the top surface of the test chamber 11 and functions to allow all air in the test chamber 11 to be exhausted when the injection unit 14 injects a solution into the test chamber 11. It will be appreciated that carbon dioxide in the air will convert calcium hydroxide in the solution in the test chamber 11 to calcium carbonate, causing a shift in the results of subsequent titrations, and therefore it is desirable to vent the air in the test chamber 11 as far as possible during the test.
The liquid level detection unit 15 is arranged in the exhaust valve 13 and used for detecting the liquid level in the exhaust valve 13 and feeding back the liquid level to the injection unit 14, and the injection unit 14 works according to the feedback of the liquid level detection unit 15, so that the detection box 11 is filled with mixed liquid in the detection process, and air outside the detection box 11 is prevented from entering the detection box 11.
The reagent unit 16 is arranged on the detection box 11 and is used for injecting a detection reagent into the detection box 11, so that a worker can determine whether the addition amount of the detection reagent reaches an extreme value according to the color of the solution, and then calculate the content of calcium oxide in the solution in the detection box 11 according to the addition amount of the detection reagent.
The input and the output of diaphragm pump 17 all are connected with detection case 11, and the effect is that the solution in the drive detection case 11 can continuously flow, can make sample (inorganic binder) more abundant with the solution mixture like this, can also make mixed liquid and detect reagent in detection case 11 can fully contact in the calibration process, obtain more accurate testing result.
It will be appreciated that the diaphragm pump 17 operates by driving the flow of liquid through the flexible membrane, which minimizes the dissolution of carbon dioxide from the air into the water. Meanwhile, the diaphragm pump 17 should be simultaneously activated at the same time as the injection unit 14 is activated, and the solution injected into the test chamber 11 by the injection unit 14 is sucked into the pump body, so that the air in the pump body can be discharged.
It should also be understood that the detection method used in the present embodiment is sucrose titration method, and phenolphthalein is used as an indicator, and therefore, the solution injected into the detection chamber 11 by the injection unit 14 is a mixture of distilled water, sucrose and phenolphthalein, which is prepared in advance and is taken directly when needed.
In some possible implementations, the injection unit 14 is composed of two parts, a storage tank for storing the prepared solution of distilled water, sucrose and phenolphthalein, and an injection pump for injecting the solution in the storage tank into the test chamber 11.
The syringe pump is preferably a diaphragm pump.
With a specific process, the worker first removes the feeding lid 12 of the detection box 11, pours a nominal amount of the sample (inorganic binder) into the detection box 11 and puts the feeding lid 12 back on the detection box 11, then starts the injection unit 14, and the injection unit 14 starts to inject the solution (made of distilled water, sucrose, and phenolphthalein) into the detection box 11.
During the operation of the injection unit 14, the diaphragm pumps 17 are simultaneously started to drive the solution in the detection box 11 to flow, so that the solution can be sufficiently contacted with the sample (inorganic binder), and after the liquid level detection unit 15 feeds back a signal to the injection unit 14, the injection unit 14 stops operating.
Then, the reagent unit 16 starts to fill a single test reagent into the test chamber 11, and the operator calculates the color change in the test chamber 11, according to the following principle,
phenolphthalein is an organic compound characterized by being colorless in acidic and neutral solutions, having a purple red color in an alkaline solution, and generating calcium hydroxide when calcium oxide is dissolved in water, wherein the mixed solution in the detection chamber 11 is alkaline, and when an acidic detection reagent is added, the pH of the mixed solution in the detection chamber 11 decreases, and when the color of the mixed solution in the detection chamber 11 becomes colorless and does not change after a predetermined time (for example, after 30 seconds), it indicates that the mixed solution in the detection chamber 11 is a neutral solution (neither an acidic solution nor an alkaline solution), and then the amount of calcium hydroxide in the mixed solution in the detection chamber 11 can be calculated based on the amount of the detection reagent added, and the content of calcium oxide in a sample (inorganic binder) can be calculated
Referring to fig. 1, as one embodiment of the system for measuring the content of calcium oxide in inorganic binder provided by the present application, the distance between the top surface of the detection box 11 and the bottom surface of the detection box 11 tends to increase in the direction near the center of the top surface of the detection box 11, and the exhaust valve 13 is located at the highest position of the top surface of the detection box 11.
It should be understood that air may remain at the edge of the top surface of the detection box 11 during the process of being extruded out of the detection box 11 by the solution, and after the top surface of the detection box 11 is changed into a cone shape or an arc shape, the air in the detection box 11 can be discharged as much as possible, so that the detection result can be more accurate.
Referring to fig. 2, as a specific embodiment of the system for detecting the content of calcium oxide in the inorganic binder provided by the application, the exhaust valve 13 is composed of a valve body 131 and a one-way air-permeable membrane 132, and the one-way air-permeable membrane 132 is fixed in the valve body 131 to divide the space in the valve body 131 into two parts, namely a first space 133 and a second space 134.
The first space 133 is communicated with the space inside the detection box 11, the second space 134 is communicated with the external atmosphere, and the one-way gas-permeable membrane 132 can allow the gas inside the detection box 11 to flow out while preventing the gas outside the detection box 11 from flowing in.
Referring to fig. 2, the liquid level detecting unit 15 includes a pressure sensor 151, a liquid sensor 152 and a controller 6, both of which are mounted on the valve body 131, a detecting end of the pressure sensor 151 extends into the first space 133 to detect whether a solution exists in the first space 133, and a detecting end of the liquid sensor 152 extends into the second space 134 to detect whether a solution exists in the second space 134.
In some possible implementations, the controller 6 uses a programmable logic controller.
The detection results of the pressure sensor 151 and the liquid sensor 152 are transmitted to the controller 6, the controller 6 performs data communication with the injection unit 14 to control whether the injection unit 14 injects the solution into the detection box 11, and specifically, when the liquid sensor 152 detects the liquid, the injection unit 14 stops injecting the solution into the detection box 11.
When the pressure that pressure sensor 151 amount detection end detected reaches the setting value, injection unit 14 begins to pour into solution into to detection case 11, for example, if the liquid level in valve body 131 has appeared descending, because outside air can't get into, will lead to one-way ventilated membrane 132 to take place the deformation, when the deformation degree is big, the condition of rupture can appear even.
When the one-way breathable film 132 deforms, a pressure is applied to the detection end of the pressure sensor 151, when the pressure reaches a set value, the injection unit 14 starts to inject a solution into the detection box 11, the liquid level in the valve body 131 rises at the moment, the one-way breathable film 132 recovers, and the pressure applied to the detection end of the pressure sensor 151 gradually disappears.
Further, the detection end of the pressure sensor 151 abuts on the one-way air-permeable membrane 132.
Referring to fig. 1 and 3, as a specific embodiment of the system for detecting the content of calcium oxide in inorganic binder provided by the application, the reagent unit 16 comprises a rotating shaft 161, a driving motor 162, a detection plate 163, a reagent chamber 164, a sealing film 165, a control unit 166, and the like, wherein the rotating shaft 161 is rotatably connected to the detection box 11, two ends of the rotating shaft 161 are respectively located inside the detection box 11 and outside the detection box 11, for convenience of description, one end of the rotating shaft 161 located inside the detection box 11 is referred to as a first end, and one end of the rotating shaft 161 located outside the detection box 11 is referred to as a second end.
The driving motor 162 is installed on the detecting box 11 and connected to the second end of the rotating shaft 161 for driving the rotating shaft 161 to rotate. The detection plate 163 is fixed to a first end of the rotation shaft 161 and can rotate with the rotation of the rotation shaft 161.
Referring to fig. 3 and 4, a plurality of reagent chambers 164 are formed on the test tray 163, the reagent chambers 164 are used to store an acidic solution, the open ends of the reagent chambers 164 are sealed by sealing films 165, and the strength of the sealing films 165 on each of the reagent chambers 164 is different.
Specifically, as the test plate 163 rotates, the acidic solution in the reagent chamber 164 applies a pressure to the sealing film 165 in the reagent chamber 164, and when the pressure reaches a threshold value, the sealing film 165 will rupture, and the applied pressure will be positively correlated to the rotation speed of the test plate 163, and the higher the rotation speed of the test plate 163, the greater the pressure applied to the sealing film 165.
The required number of rupture of the sealing film 165 can be achieved by adjusting the rotational speed of the driving motor 162, the rotational speed adjustment of the driving motor 162 being performed by the control unit 166, the output of the control unit 166 being connected to the driving motor 162 for controlling the rotational speed of the driving motor 162.
For example, if the driving motor 162 can realize a plurality of rotation speeds, one sealing film 165 is broken at each rotation speed, and the acid solution can be quantitatively added by gradually increasing the rotation speed of the driving motor 162.
The amount of acidic solution added can be obtained by counting the number of broken sealing films 165 during the final calibration.
In some possible implementations, the control unit 166 uses a frequency converter, the driving motor 162 uses a three-phase asynchronous motor, and when the frequency of the output current of the frequency converter changes, the rotation speed of the motor also changes.
In other possible implementations, the control unit 166 uses a servo amplifier and the drive motor 162 uses a servo motor, the servo amplifier being able to vary the speed of the motor according to the received instructions. The servo amplifier may be signaled by a combination of a plc and a plurality of buttons, and the plc may send different rpm commands to the control unit 166 when different buttons are pressed.
The embodiment of the application also discloses a method for detecting the content of calcium oxide in the inorganic binder, which comprises the following steps:
s101, adding a certain amount of sample into a detection box;
s102, injecting enough solution into the detection box until the gas in the detection box is completely discharged;
s103, driving the solution in the detection box to flow until the sample is melted; and
s104, sequentially adding a plurality of detection reagents into the detection box until the color of the mixture in the detection box is not changed any more;
wherein, the mixture in the detection box is always in a flowing state.
The content of each step is already described in the above, and is not described herein again.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A system for detecting the content of calcium oxide in an inorganic binder is characterized by comprising:
a detection box (11);
the feeding cover (12) is arranged on the detection box (11) and is used for sealing a feeding port on the detection box (11);
an exhaust valve (13) arranged on the top surface of the detection box (11);
an injection unit (14) for injecting a solution into the detection box (11);
the liquid level detection unit (15) is arranged in the exhaust valve (13) and used for feeding back to the injection unit (14) so that the detection box (11) is filled with mixed liquid in the detection process;
a reagent unit (16) provided on the detection case (11) and used for injecting a detection reagent into the detection case (11); and
the diaphragm pump (17), input and output all are connected with detection case (11).
2. The system for detecting the content of calcium oxide in inorganic binder according to claim 1, wherein the distance between the top surface of the detection box (11) and the bottom surface of the detection box (11) tends to increase in the direction near the center of the top surface of the detection box (11);
the exhaust valve (13) is positioned at the highest position of the top surface of the detection box (11).
3. A system for detecting the content of calcium oxide in an inorganic binder according to claim 1 or 2, characterized in that the exhaust valve (13) comprises:
a valve body (131) that communicates with the space inside the detection box (11); and
a one-way air-permeable membrane (132) provided in the valve body (131) and dividing a space in the valve body (131) into a first space (133) and a second space (134);
the first space (133) is communicated with the space in the detection box (11);
the second space (134) is in communication with the outside atmosphere.
4. A system for detecting the content of calcium oxide in an inorganic binder according to claim 3, wherein the liquid level detection unit (15) comprises:
the pressure sensor (151) is arranged on the valve body (131), and the detection end of the pressure sensor (151) extends into the first space (133);
the liquid sensor (152) is arranged on the valve body (131), and the detection end of the liquid sensor (152) extends into the second space (134); and
a controller (6) for communicating data with the injection unit (14) based on feedback from the pressure sensor (151) and the liquid sensor (152).
5. The system for detecting the content of calcium oxide in inorganic binder according to claim 4, wherein the detection end of the pressure sensor (151) abuts against the one-way air-permeable membrane (132).
6. The system for detecting the content of calcium oxide in an inorganic binder according to claim 1, 2, 4 or 5, wherein the reagent unit (16) comprises:
the rotating shaft (161) is rotatably connected with the detection box (11), and the first end of the rotating shaft (161) is positioned in the detection box (11);
the driving motor (162) is arranged on the detection box (11) and is connected with the second end of the rotating shaft (161);
a detection disc (163) provided on a first end of the rotation shaft (161);
a plurality of reagent bins (164) uniformly distributed on the detection plate (163);
a sealing membrane (165) for closing the open end of the reagent cartridge (164); and
the output end of the control unit (166) is connected with the driving motor (162) and is used for adjusting the rotating speed of the driving motor (162);
wherein the strength of the sealing films (165) is different.
7. The system for detecting the content of calcium oxide in inorganic binder according to claim 3, wherein the reagent unit (16) comprises:
the rotating shaft (161) is rotatably connected with the detection box (11), and the first end of the rotating shaft (161) is positioned in the detection box (11);
the driving motor (162) is arranged on the detection box (11) and is connected with the second end of the rotating shaft (161);
a detection disc (163) provided on a first end of the rotation shaft (161);
a plurality of reagent bins (164) which are uniformly distributed on the detection plate (163), and detection reagents are stored in the reagent bins (164);
a sealing membrane (165) for closing the open end of the reagent cartridge (164); and
the output end of the control unit (166) is connected with the driving motor (162) and is used for adjusting the rotating speed of the driving motor (162);
wherein the strength of the sealing films (165) is different.
8. A method for detecting the content of calcium oxide in an inorganic binder is characterized by comprising the following steps:
adding a certain amount of sample into a detection box;
injecting enough solution into the detection box until the gas in the detection box is completely discharged;
driving the solution in the detection box to flow until the sample is melted; and
sequentially adding a plurality of detection reagents into the detection box until the color of the mixture in the detection box is not changed any more;
wherein, the mixture in the detection box is always in a flowing state.
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