CN113311113A - NMP product metal ion content determination system and analysis method thereof - Google Patents
NMP product metal ion content determination system and analysis method thereof Download PDFInfo
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- CN113311113A CN113311113A CN202110574903.0A CN202110574903A CN113311113A CN 113311113 A CN113311113 A CN 113311113A CN 202110574903 A CN202110574903 A CN 202110574903A CN 113311113 A CN113311113 A CN 113311113A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a system and a method for measuring the content of metal ions in an NMP product, and the system and the method comprise a workbench, a measuring cylinder fixed on the surface of the workbench in an embedded manner through an arc-shaped plate, and a measuring device fixed in the measuring cylinder, wherein the upper side and the lower side of the inner wall of the measuring cylinder are both connected with an air-tight plug in a sliding manner. This NMP product metal ion assay system and analytical method thereof, utilize stable actuating mechanism to provide power take off, the rotation process through the pivot, can make first rotor plate and second rotor plate reciprocating rotation, the dead lever and the sliding seat that the cooperation set up, can make the reciprocal up-and-down motion of inner wall at a survey section of thick bamboo of gas tightness stopper, not only can take out the air in the section of thick bamboo of will surveying through the standpipe, avoid the air to the influence that causes in the survey process of liquid survey to be waited to survey, and can be fast with survey the inside atmospheric pressure recovery initial condition of a section of thick bamboo, be convenient for carry out the process of survey next time, and is simple in operation, and convenient for use.
Description
Technical Field
The invention relates to the technical field of metal ion determination, in particular to a system and an analysis method for determining the content of metal ions in an NMP product.
Background
N-methyl pyrrolidone with chemical formula of C5H9NO and molecular weight of 99.13106 is an organic compound, colorless transparent oily liquid, and has slight amine odor. Low volatility, good thermal stability and chemical stability, and can be volatilized with water vapor. It has hygroscopic property. Is sensitive to light. It is easily soluble in water, ethanol, diethyl ether, acetone, ethyl acetate, chloroform and benzene, and can dissolve most organic and inorganic compounds, polar gas, natural and synthetic high molecular compounds. N-methyl pyrrolidone is widely applied to the industries of lithium batteries, medicines, pesticides, pigments, cleaning agents, insulating materials and the like.
Referring to Chinese patent, a detection device for rapidly determining the content of ion adsorption type rare earth (publication number: CN105823777B, published as 2018-03-23), absorbs a certain amount of liquid to be detected into the device through the exhaust and absorption of the device, reacts with a reagent in the device, and utilizes the reaction product to calculate the concentration of the liquid to be detected.
In view of the above-mentioned patents, the existing NMP products still have the following defects when measuring the content of metal ions:
1. in the process of measuring the liquid to be measured, the liquid to be measured is mostly directly placed in the air for measurement, however, the air has influence on the result of the measurement of the liquid to be measured, in order to avoid the influence, a high-precision instrument is adopted in the traditional mode to create a vacuum environment, the cost is high, a system which greatly reduces the influence of the air on the result of the measurement of the liquid to be measured and has low cost is lacked;
2. in the liquid to be measured measuring process, a plurality of groups of comparison tests need to be set, the quantifying barrels are filled one by one manually, the labor intensity is high, the process is complex, and the liquid to be measured in the quantifying barrels is easy to overflow due to manual operation of workers.
Therefore, the invention provides a system and an analysis method for measuring the content of metal ions in an NMP product, which aim to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an NMP product metal ion content measuring system and an NMP product metal ion content analyzing method, which solve the problems that in the measuring process of a liquid to be measured, a system which greatly reduces the influence of air on the measuring result of the liquid to be measured is lacked, the cost is low, a plurality of groups of contrast tests are arranged, and the liquid to be measured is filled in a complicated manner and is easy to overflow.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a system for measuring the metal ion content of an NMP product comprises a workbench, a measuring cylinder fixed on the surface of the workbench in an embedded mode through an arc plate and a measuring device fixed inside the measuring cylinder, wherein the upper side and the lower side of the inner wall of the measuring cylinder are both connected with air tightness plugs in a sliding mode, two separated ends of the air tightness plugs are fixedly communicated with vertical pipes, the two separated ends of the vertical pipes penetrate through the measuring cylinder and extend to the outside of the measuring cylinder, a folded plate is fixedly connected to the front side of the workbench, a vacuum measuring unit is arranged between the folded plate and the measuring cylinder, and a quantitative measuring unit is arranged between the top of the workbench and the measuring cylinder; the vacuum measurement unit is including fixing the fixing base in folded plate inner wall both sides, two the equal fixedly connected with dead lever in upper and lower both sides of fixing base, two the equal sliding connection of surface of dead lever has the sliding seat, one side fixedly connected with diaphragm of sliding seat, and the one side of diaphragm and the one end fixed connection of standpipe, the surface rotation of fixing base is connected with the pivot, the one end of pivot runs through the folded plate and extends to the outside of folded plate, be provided with between folded plate and the pivot and stabilize actuating mechanism, the fixed surface of pivot is connected with first rotor plate, the both sides on first rotor plate surface all rotate and are connected with the second rotor plate, and one side of second rotor plate rotates with one side of sliding seat and is connected.
Preferably, stabilize actuating mechanism including fixing the driving motor in folded plate surface one side, driving motor's output runs through the folded plate and extends to the outside of folded plate, and the fixed surface of driving motor output is connected with first gear, two the equal fixedly connected with second gear in surface of pivot.
Preferably, a moving groove is formed in the surface of the folding plate, a moving strip is connected to the inner surface of the moving groove in a sliding mode, a rack is fixedly connected to the surface of the moving strip, and one side of the rack is meshed with one side of the first gear and one side of the second gear.
Preferably, the quantitative determination unit comprises supports fixed on two sides of the top of the workbench, a quantitative box is fixedly connected between the tops of the supports, a funnel penetrates through and is fixed to the top of the quantitative box, and quantitative cylinders are fixedly connected to two sides of the bottom of the inner wall of the quantitative box.
Preferably, a temperature adjusting mechanism is arranged between the quantifying cylinder and the quantifying box, the top end of the quantifying cylinder is fixedly connected with a connecting pipe, and the top end of the connecting pipe is fixedly communicated with the bottom end of the funnel.
Preferably, the bottom intercommunication of a ration section of thick bamboo is fixed with the drain pipe, the bottom of drain pipe runs through the outside of ration case and extension to ration case, the one end of drain pipe runs through the arc in proper order and surveys a section of thick bamboo and extend to the inside of surveying a section of thick bamboo.
Preferably, the top laminating of a ration section of thick bamboo inner wall is provided with the conical surface, the floater has been placed to the inside of a survey section of thick bamboo, and beat of floater little and the big or small looks adaptation and the sealed laminating of connecting pipe.
Preferably, temperature regulation mechanism is including the wire of winding on survey a survey section of thick bamboo surface, the equal fixedly connected with heating cabinet in both sides of ration incasement wall, and pass through wire electric connection between heating cabinet and the wire.
The invention also discloses an analysis method of the NMP product metal ion content determination system, which specifically comprises the following steps:
s1, firstly, starting the driving motor, driving the first gear to rotate by the driving motor, enabling the engaged rack to move to one side by the rotation of the first gear, driving the moving strip to move on the inner surface of the moving groove by the movement of the rack to one side, meanwhile, the rack drives the two second gears to rotate, the two second gears rotate to drive the rotating shaft to rotate, the rotating shaft rotates to further drive the first rotating plate to rotate, the first rotating plate rotates to enable the two second rotating plates to synchronously rotate, the two second rotating plates synchronously rotate to drive the two sliding seats to move on the two fixing rods, the two sliding seats move on the two fixing rods to enable the transverse plates to move away from each other, the two transverse plates move away from each other, then the vertical pipe is driven to move towards one side, so that the air-tightness plug moves towards one side, then the air in the measuring cylinder enters the vertical pipe, and at the moment, the inside of the measuring cylinder is close to a vacuum environment;
s2, introducing liquid to be measured from a funnel, enabling the liquid to be measured to enter two quantifying cylinders through a connecting pipe, enabling a floating ball in the quantifying cylinders to float upwards after the liquid to be measured enters the quantifying cylinders, enabling the floating ball to abut against a liquid outlet of the connecting pipe under the action of the conical surface when the floating ball floats upwards and is close to the conical surface, stopping a liquid adding process of the funnel, starting a heating box when the temperature of the liquid to be measured in the quantifying cylinders needs to be controlled, enabling a metal wire to generate heat through a conducting wire, and heating the liquid to be measured in the quantifying cylinders by using the metal wire;
s3, finally, introducing the liquid to be measured in the quantitative cylinder into the measuring cylinder through the liquid outlet pipe, measuring the liquid to be measured in the quantitative cylinder by using the measuring device, and recovering the device to be in an initial state after the operation is finished
Preferably, the standpipe, the connecting pipe and the liquid outlet pipe appearing in S1-S3 are all provided with corresponding electromagnetic valves.
(III) advantageous effects
The invention provides a system and a method for measuring the content of metal ions in an NMP product. Compared with the prior art, the method has the following beneficial effects:
(1) the NMP product metal ion content measuring system and the analyzing method thereof are characterized in that the vacuum measuring unit comprises fixing seats fixed on two sides of the inner wall of a folded plate, the upper side and the lower side of the two fixing seats are fixedly connected with fixing rods, the outer surfaces of the two fixing rods are respectively connected with a sliding seat in a sliding manner, one side of the sliding seat is fixedly connected with a transverse plate, one side of the transverse plate is fixedly connected with one end of a vertical pipe, the surface of the fixing seat is rotatably connected with a rotating shaft, one end of the rotating shaft penetrates through the folded plate and extends to the outside of the folded plate, a stable driving mechanism is arranged between the folded plate and the rotating shaft, the surface of the rotating shaft is fixedly connected with a first rotating plate, two sides of the surface of the first rotating plate are respectively rotatably connected with a second rotating plate, one side of the second rotating plate is rotatably connected with one side of the sliding seat, the vacuum measuring unit is arranged between the folded plate and a measuring cylinder, and power output is provided by the stable driving mechanism, through the rotation process of pivot, can be so that first rotor plate and second rotor plate reciprocating rotation, dead lever and sliding seat that the cooperation set up can be so that the gas tightness stopper in the reciprocal up-and-down motion of the inner wall of a survey section of thick bamboo, not only can take out the air in will surveying the section of thick bamboo through the standpipe, avoid the air to the influence that causes in the survey liquid survey process of treating to survey, and can be fast with survey the inside atmospheric pressure recovery initial condition of a section of thick bamboo, be convenient for carry out the process of survey next time, easy operation, it is convenient to use.
(2) The NMP product metal ion content measuring system and the analyzing method thereof are characterized in that a quantitative measuring unit is arranged between the top of a workbench and a measuring cylinder, the quantitative measuring unit comprises supports fixed on two sides of the top of the workbench, a quantitative box is fixedly connected between the tops of the two supports, a funnel penetrates through and is fixed on the top of the quantitative box, quantitative cylinders are fixedly connected on two sides of the bottom of the inner wall of the quantitative box, a temperature adjusting mechanism is arranged between the quantitative cylinders and the quantitative box, connecting pipes are fixedly connected on the top ends of the two quantitative cylinders, the top ends of the two connecting pipes are fixedly communicated with the bottom end of the funnel, a liquid outlet pipe is fixedly communicated with the bottom end of the quantitative cylinder, the bottom end of the liquid outlet pipe penetrates through the quantitative box and extends to the outside of the quantitative box, one end of the liquid outlet pipe penetrates through an arc-shaped plate and the measuring cylinder in sequence and extends to the inside of the measuring cylinder, and a conical surface is attached to the top of the inner wall of the quantitative cylinder, the floater has been placed to the inside of survey section of thick bamboo, and beat of floater little and the big or small looks adaptation and the sealed laminating of connecting pipe, utilize funnel and the connecting pipe that sets up to fill in to the ration section of thick bamboo and treat survey liquid, simultaneously through temperature adjustment mechanism, can carry out the regulation of temperature to the solution that treats the survey in the ration section of thick bamboo, the best survey temperature of the solution that treats the survey has been guaranteed, the conical surface and the awl floater that the cooperation set up, can fill in the ration section of thick bamboo and stop the liquid-feeding after filling, one comes when setting up the multiunit contrast test, need not to carry out the filling by one pair of ration section of thick bamboo, two come to avoid in the ration section of thick bamboo to treat that the survey liquid spills over.
Drawings
FIG. 1 is a perspective view of the external structure from a first perspective of the present invention;
FIG. 2 is an enlarged view of a portion of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a perspective view of the external structure from a second perspective of the present invention;
FIG. 4 is a schematic perspective view of a vacuum measuring unit according to the present invention;
FIG. 5 is an enlarged view of a portion of the structure of FIG. 4 at B in accordance with the present invention;
FIG. 6 is a perspective view of a portion of the present invention;
FIG. 7 is a perspective exploded view of a portion of the present invention;
FIG. 8 is a schematic perspective view of a quantitative determination unit according to the present invention;
FIG. 9 is an exploded perspective view of a quantitative measuring unit according to the present invention;
FIG. 10 is a main sectional view of a partial structure of the present invention.
In the figure, 1-workbench, 2-arc plate, 3-measuring cylinder, 4-measuring device, 5-airtight plug, 6-vertical rod, 7-folded plate, 8-vacuum measuring unit, 81-fixed seat, 82-fixed rod, 83-sliding seat, 84-horizontal plate, 85-rotating shaft, 86-driving mechanism, 86-1-driving motor, 86-2-first gear, 86-3-second gear, 86-4-moving groove, 86-5-moving strip, 86-6-rack, 87-first rotating plate, 88-second rotating plate, 9-quantitative measuring unit, 91-support, 92-quantitative box, 93-funnel, 94-quantitative cylinder, 95-temperature adjusting mechanism, 95-1-metal wire, 95-2-heating box, 95-3-conducting wire, 96-connecting pipe, 97-liquid outlet pipe, 98-conical surface and 99-floating ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 10, an embodiment of the present invention provides a technical solution: a NMP product metal ion content determination system and an analysis method thereof, comprises a workbench 1, a determination cylinder 3 fixed on the surface of the workbench 1 in an embedded manner through an arc plate 2 and a determination device 4 fixed in the determination cylinder 3, the upper side and the lower side of the inner wall of the determination cylinder 3 are both connected with an air-tight plug 5 in a sliding manner, the bottom of the air-tight plug 5 is communicated with a vertical pipe 6, air can enter the vertical pipe 6 from the air-tight plug 5, one separated end of the two air-tight plugs 5 is communicated and fixed with the vertical pipe 6, one separated end of the two vertical pipes 6 both penetrates through the determination cylinder 3 and extends to the outside of the determination cylinder 3, a folded plate 7 is fixedly connected to the front of the workbench 1, a vacuum determination unit 8 is arranged between the folded plate 7 and the determination cylinder 3, a quantitative determination unit 9 is arranged between the top of the workbench 1 and the determination cylinder 3, the quantitative determination unit 9 comprises a support 91 fixed on both sides of the top of the workbench 1, a quantitative box 92 is fixedly connected between the tops of the two supports 91, a funnel 93 is fixedly penetrated through the top of the quantitative box 92, quantitative cylinders 94 are fixedly connected to both sides of the bottom of the inner wall of the quantitative box 92, a temperature adjusting mechanism 95 is arranged between the quantitative cylinders 94 and the quantitative box 92, the temperature adjusting mechanism 95 comprises a metal wire 95-1 wound on the surface of the quantitative cylinder 3, the metal wire 95-1 is made of a metal material with good thermal conductivity, such as a copper wire, heating boxes 95-2 are fixedly connected to both sides of the inner wall of the quantitative box 92, a power supply is arranged inside the heating boxes 95-2 and electrically connected with a lead 95-3, the heating boxes 95-2 and the metal wire 95-1 are electrically connected through leads 95-3, connecting pipes 96 are fixedly connected to the top ends of the two quantitative cylinders 94, and the top ends of the two connecting pipes 96 are fixedly communicated with the bottom end of the funnel 93, a liquid outlet pipe 97 is fixedly communicated with the bottom end of the quantifying cylinder 94, the bottom end of the liquid outlet pipe 97 penetrates through the quantifying box 92 and extends to the outside of the quantifying box 92, one end of the liquid outlet pipe 97 sequentially penetrates through the arc-shaped plate 2 and the quantifying cylinder 3 and extends to the inside of the quantifying cylinder 3, a conical surface 98 is attached to the top of the inner wall of the quantifying cylinder 94, a floating ball 99 is placed inside the quantifying cylinder 3, the density of the floating ball 99 is smaller than that of the liquid to be measured, the size of the floating ball 99 is matched with that of the connecting pipe 96, the liquid to be measured is filled into the quantifying cylinder 3 through the arranged funnel 93 and the connecting pipe 96, meanwhile, the temperature of the liquid to be measured in the quantifying cylinder 3 can be adjusted through the temperature adjusting mechanism 95, the optimal measuring temperature of the liquid to be measured is ensured, the liquid can be filled into the quantifying cylinder 3 through the conical surface 98 and the conical floating ball 99, liquid filling can be stopped after the quantifying cylinder 3 is filled, and when a plurality of groups of contrast tests are set, the quantitative barrels 3 do not need to be filled one by one, and the overflow of the liquid to be measured in the quantitative barrels 3 can be avoided; the vacuum measuring unit 8 comprises fixing seats 81 fixed on both sides of the inner wall of the folded plate 7, fixing rods 82 are fixedly connected on both upper and lower sides of the two fixing seats 81, sliding seats 83 are slidably connected on the outer surfaces of the two fixing rods 82, a transverse plate 84 is fixedly connected on one side of the sliding seat 83, one side of the transverse plate 84 is fixedly connected with one end of the vertical pipe 6, a rotating shaft 85 is rotatably connected on the surface of the fixing seat 81, one end of the rotating shaft 85 penetrates through the folded plate 7 and extends to the outside of the folded plate 7, a stable driving mechanism 86 is arranged between the folded plate 7 and the rotating shaft 85, the stable driving mechanism 86 comprises a driving motor 86-1 fixed on one side of the surface of the folded plate 7, the driving motor 86-1 is a three-phase asynchronous motor and is electrically connected with an external power supply, the output end of the driving motor 86-1 penetrates through the folded plate 7 and extends to the outside of the folded plate 7, and a first gear 86-2 is fixedly connected on the surface of the output end of the driving motor 86-1, the surfaces of the two rotating shafts 85 are fixedly connected with second gears 86-3, the surface of the folded plate 7 is provided with a moving groove 86-4, the inner surface of the moving groove 86-4 is connected with a moving strip 86-5 in a sliding manner, the surface of the moving strip 86-5 is fixedly connected with a rack 86-6, one side of the rack 86-6 is engaged with one side of the first gear 86-2 and one side of the second gear 86-3, the surface of the rotating shaft 85 is fixedly connected with a first rotating plate 87, two sides of the surface of the first rotating plate 87 are rotatably connected with a second rotating plate 88, one side of the second rotating plate 88 is rotatably connected with one side of the sliding seat 83, the power output is provided by utilizing the stabilizing driving mechanism 86, the first rotating plate 87 and the second rotating plate 88 can rotate in a reciprocating manner through the rotating process of the rotating shaft 85, the fixed rod 82 and the sliding seat 83 are arranged in a matching manner, can be so that gas tightness stopper 5 at the reciprocal up-and-down motion of the inner wall of survey section of thick bamboo 3, not only can take out the air in the section of thick bamboo 3 of will surveying through standpipe 6, avoid the air to the influence that causes in the survey liquid survey process of treating to can resume initial state with survey section of thick bamboo 3 inside atmospheric pressure fast, be convenient for carry out the process of survey next time, easy operation, it is convenient to use.
The invention also discloses an analysis method of the NMP product metal ion content determination system, which specifically comprises the following steps:
s1, firstly, the driving motor 86-1 is started, the driving motor 86-1 is utilized to drive the first gear 86-2 to rotate, the first gear 86-2 rotates to enable the meshed rack 86-6 to move towards one side, the rack 86-6 moves towards one side to drive the moving strip 86-5 to move on the inner surface of the moving groove 86-4, meanwhile, the rack 86-6 drives the two second gears 86-3 to rotate, the two second gears 86-3 rotate to drive the rotating shaft 85 to rotate, the rotating shaft 85 rotates to further drive the first rotating plate 87 to rotate, the first rotating plate 87 rotates to enable the two second rotating plates 88 to rotate synchronously, the two second rotating plates 88 rotate synchronously to drive the two sliding seats 83 to move on the two fixing rods 82, the two sliding seats 83 move on the two fixing rods 82 to enable the transverse plates 84 to move away from each other, the two transverse plates 84 move away from each other to drive the vertical pipe 6 to move towards one side, the standpipe 6 moves towards one side to enable the air-tight plug 5 to move towards one side, at the moment, air in the measuring cylinder 3 enters the standpipe 6, and at the moment, the inside of the measuring cylinder 3 is close to a vacuum environment;
s2, introducing liquid to be measured from a funnel 93, enabling the liquid to be measured to enter two quantitative cylinders 94 through a connecting pipe 96, enabling a floating ball 99 in the quantitative cylinders 94 to float upwards after the liquid to be measured enters the quantitative cylinders 94, enabling the floating ball 99 to abut against a liquid outlet of the connecting pipe 96 under the action of a conical surface 98 when the floating ball 99 floats upwards and is close to the conical surface 98, stopping the liquid adding process of the funnel 93 at the moment, starting a heating box 95-2 at the moment when the temperature of the liquid to be measured in the quantitative cylinders 94 needs to be controlled, enabling a metal wire 95-1 to emit heat through a lead 95-3, and heating the liquid to be measured in the quantitative cylinders 94 by using the metal wire 95-1;
s3, finally, introducing the liquid to be measured in the quantitative cylinder 94 into the measuring cylinder 3 through the liquid outlet pipe 97, measuring the liquid to be measured in the quantitative cylinder 94 by using the measuring device 4, and after the operations are finished, restoring the device to the initial state
In the embodiment of the present invention, the standpipe 6, the connecting pipe 96 and the drain pipe 97 appearing in S1-S3 are all provided with corresponding electromagnetic valves.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a NMP product metal ion assay system, includes workstation (1), fixes survey section of thick bamboo (3) on workstation (1) surface and fixes in survey appearance (4) of surveying a section of thick bamboo (3) inside through arc (2) are embedded, its characterized in that: the upper side and the lower side of the inner wall of the measuring cylinder (3) are both connected with air-tight plugs (5) in a sliding manner, one separated ends of the two air-tight plugs (5) are fixedly communicated with vertical pipes (6), one separated ends of the two vertical pipes (6) penetrate through the measuring cylinder (3) and extend to the outside of the measuring cylinder (3), a folded plate (7) is fixedly connected to the front side of the workbench (1), a vacuum measuring unit (8) is arranged between the folded plate (7) and the measuring cylinder (3), and a quantitative measuring unit (9) is arranged between the top of the workbench (1) and the measuring cylinder (3);
the vacuum measuring unit (8) comprises fixing seats (81) fixed on two sides of the inner wall of a folded plate (7), two fixing rods (82) are fixedly connected to the upper side and the lower side of each fixing seat (81), two sliding seats (83) are slidably connected to the outer surfaces of the fixing rods (82), a transverse plate (84) is fixedly connected to one side of each sliding seat (83), one side of each transverse plate (84) is fixedly connected with one end of a vertical pipe (6), a rotating shaft (85) is rotatably connected to the surface of each fixing seat (81), one end of each rotating shaft (85) penetrates through the folded plate (7) and extends to the outside of the folded plate (7), a stable driving mechanism (86) is arranged between the folded plate (7) and the rotating shaft (85), a first rotating plate (87) is fixedly connected to the surface of the rotating shaft (85), and second rotating plates (88) are rotatably connected to two sides of the surface of the first rotating plate (87), and one side of the second rotating plate (88) is rotatably connected with one side of the sliding seat (83).
2. The system for measuring the metal ion content of the NMP product according to claim 1, wherein: the stable driving mechanism (86) comprises a driving motor (86-1) fixed on one side of the surface of the folded plate (7), the output end of the driving motor (86-1) penetrates through the folded plate (7) and extends to the outside of the folded plate (7), a first gear (86-2) is fixedly connected to the surface of the output end of the driving motor (86-1), and second gears (86-3) are fixedly connected to the surfaces of the two rotating shafts (85).
3. The system for measuring the metal ion content of the NMP product according to claim 2, wherein: the surface of the folded plate (7) is provided with a moving groove (86-4), the inner surface of the moving groove (86-4) is connected with a moving strip (86-5) in a sliding mode, the surface of the moving strip (86-5) is fixedly connected with a rack (86-6), and one side of the rack (86-6) is meshed with one sides of the first gear (86-2) and the second gear (86-3).
4. The system for measuring the metal ion content of the NMP product according to claim 1, wherein: quantitative determination unit (9) are including fixing support (91) in workstation (1) top both sides, two fixedly connected with ration case (92) between the top of support (91), and the top of ration case (92) is run through and is fixed with funnel (93), equal fixedly connected with quantification cylinder (94) in both sides of ration case (92) inner wall bottom.
5. The system for measuring the metal ion content of the NMP product according to claim 4, wherein: a temperature adjusting mechanism (95) is arranged between the quantitative cylinder (94) and the quantitative box (92), the top ends of the quantitative cylinder (94) are fixedly connected with connecting pipes (96), and the top ends of the connecting pipes (96) are fixedly communicated with the bottom end of the funnel (93).
6. The system for measuring the metal ion content of the NMP product according to claim 4, wherein: the bottom intercommunication of a ration section of thick bamboo (94) is fixed with drain pipe (97), the bottom of drain pipe (97) runs through quantification case (92) and extends to the outside of quantification case (92), the one end of drain pipe (97) runs through arc (2) and survey a section of thick bamboo (3) in proper order and extends to the inside of surveying a section of thick bamboo (3).
7. The system for measuring the metal ion content of the NMP product according to claim 4, wherein: the top laminating of quantitative section of thick bamboo (94) inner wall is provided with conical surface (98), floater (99) have been placed to the inside of survey section of thick bamboo (3), and beat of floater (99) little and the size looks adaptation and the sealed laminating of connecting pipe (96).
8. The system for measuring the metal ion content of the NMP product according to claim 4, wherein: temperature regulation mechanism (95) are including winding wire (95-1) on survey a section of thick bamboo (3) surface, the equal fixedly connected with heating cabinet (95-2) in both sides of quantitative case (92) inner wall, and pass through wire (95-3) electric connection between heating cabinet (95-2) and wire (95-1).
9. An analysis method of an NMP product metal ion content determination system is characterized in that: the method specifically comprises the following steps:
s1, firstly, a driving motor (86-1) is started, the driving motor (86-1) is utilized to drive a first gear (86-2) to rotate, the first gear (86-2) rotates to enable a meshed rack (86-6) to move towards one side, the rack (86-6) moves towards one side to drive a moving strip (86-5) to move on the inner surface of a moving groove (86-4), meanwhile, the rack (86-6) drives two second gears (86-3) to rotate, the two second gears (86-3) rotate to drive a rotating shaft (85) to rotate, the rotating shaft (85) rotates to further drive a first rotating plate (87) to rotate, the first rotating plate (87) rotates to enable two second rotating plates (88) to synchronously rotate, the two second rotating plates (88) synchronously rotate to drive two sliding seats (83) to move on two fixing rods (82), the two sliding seats (83) move on the two fixing rods (82) to enable the transverse plates (84) to move away from each other, the two transverse plates (84) move away from each other, the vertical pipe (6) is driven to move towards one side, the vertical pipe (6) moves towards one side to enable the air-tight plug (5) to move towards one side, air in the measuring cylinder (3) enters the vertical pipe (6) at the moment, and the inside of the measuring cylinder (3) is close to a vacuum environment at the moment;
s2, liquid to be measured is introduced from a funnel (93), the liquid to be measured enters two quantifying cylinders (94) through a connecting pipe (96), after the liquid to be measured enters the quantifying cylinders (94), a floating ball (99) in the quantifying cylinder (94) floats upwards, when the floating ball (99) floats upwards to be close to a conical surface (98), the floating ball (99) is abutted against a liquid outlet of the connecting pipe (96) under the action of the conical surface (98), the liquid adding process of the funnel (93) is stopped at the moment, when the temperature of the liquid to be measured in the quantifying cylinder (94) needs to be controlled, a heating box (95-2) is started at the moment, a metal wire (95-1) is heated through a lead (95-3), and the liquid to be measured in the quantifying cylinder (94) is heated by the metal wire (95-1);
s3, finally, the liquid to be measured in the quantitative cylinder (94) is introduced into the measuring cylinder (3) through the liquid outlet pipe (97), the liquid to be measured in the quantitative cylinder (94) is measured by the measuring device (4), and after the operation is finished, the device is restored to the initial state.
10. The analytical method of a system for measuring the metal ion content of an NMP product according to claim 9, wherein said analytical method comprises: and the vertical pipe (6), the connecting pipe (96) and the liquid outlet pipe (97) appearing in the S1-S3 are all provided with corresponding electromagnetic valves.
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