CN113311113B - 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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- CN113311113B CN113311113B CN202110574903.0A CN202110574903A CN113311113B CN 113311113 B CN113311113 B CN 113311113B CN 202110574903 A CN202110574903 A CN 202110574903A CN 113311113 B CN113311113 B CN 113311113B
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a system for measuring the metal ion content of an NMP product and an analysis method thereof, comprising a workbench, a measuring cylinder embedded and fixed on the surface of the workbench through an arc 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 airtight plugs in a sliding manner. According to the NMP product metal ion content measuring system and the analysis method thereof, the stable driving mechanism is utilized to provide power output, the first rotating plate and the second rotating plate can be made to rotate in a reciprocating manner through the rotating process of the rotating shaft, the fixed rod and the sliding seat are matched, the airtight plug can move up and down on the inner wall of the measuring cylinder, air in the measuring cylinder can be pumped out through the vertical pipe, the influence of the air on the measuring process of the liquid to be measured is avoided, the air pressure inside the measuring cylinder can be quickly restored to an initial state, the next measuring process is facilitated, and the NMP product metal ion content measuring system is simple to operate and convenient to use.
Description
Technical Field
The invention relates to the technical field of metal ion determination, in particular to a system for determining the metal ion content of an NMP product and an analysis method thereof.
Background
N-methyl pyrrolidone has a chemical formula of C5H9NO and a molecular weight of 99.13106, is an organic compound, is colorless transparent oily liquid, and has a slight smell of amine. Low volatility, good thermal stability and chemical stability, and can volatilize along with water vapor. Has hygroscopicity. Is sensitive to light. Is easily dissolved in water, ethanol, diethyl ether, acetone, ethyl acetate, chloroform and benzene, and can dissolve most organic and inorganic compounds, polar gases, natural and synthetic high molecular compounds. N-methyl pyrrolidone is widely applied in industries such as lithium batteries, medicines, pesticides, pigments, cleaning agents, insulating materials and the like.
Referring to China patent, a detection device for rapidly measuring ion adsorption type rare earth content (publication No. CN105823777B, publication No. 2018-03-23), a certain amount of liquid to be measured is absorbed into the device through the exhaust and absorption of the device and reacts with reagents in the device, the concentration of the liquid to be measured is calculated by utilizing the reaction products, and the rare earth content is detected simply and conveniently in a conversion mode.
For the above referenced patents, the following drawbacks still exist in the prior NMP products when measured for metal ion content:
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 measuring the liquid to be measured, in order to avoid the influence, a traditional mode adopts a high-precision instrument to create a vacuum environment, the cost is higher, and a system which greatly reduces the influence of the air on the result of measuring the liquid to be measured and has lower cost is lacked;
2. in the process of measuring the liquid to be measured, a plurality of groups of control tests are required to be arranged, the quantitative cylinders are filled one by relying on manual work, the labor intensity is high, the process is complicated, and the liquid to be measured in the quantitative cylinders is extremely easy to overflow due to manual operation of staff.
Therefore, the invention provides a system for measuring the metal ion content of an NMP product and an analysis method thereof, so as to solve the problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a system for measuring the metal ion content of an NMP product and an analysis method thereof, which solve the problems that in the measuring process of the liquid to be measured, the influence of air on the measuring result of the liquid to be measured is greatly reduced, the cost is low, a plurality of groups of control tests are arranged, and the liquid to be measured is complex to fill and extremely easy to overflow.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a NMP product metal ion content measurement system, includes the workstation, fixes the measuring cylinder and fix the inside apparatus of measuring cylinder at the workstation surface through the arc embedding, the upper and lower both sides of measuring cylinder inner wall all sliding connection has the gas tightness stopper, two the one end intercommunication that the gas tightness stopper is separated is fixed with the standpipe, two the one end that the standpipe is separated all runs through the measuring cylinder and extends to the outside of measuring cylinder, the front fixedly connected with folded plate of workstation, and be provided with vacuum measurement unit between folded plate and the measuring cylinder, be provided with quantitative determination unit between the top of workstation 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 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 folded plate and extends to the outside of folded plate, be provided with stable actuating mechanism between folded plate and the pivot, the first rotor plate of fixed surface of pivot is connected with, the both sides on first rotor plate surface are all rotated 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, the stable driving mechanism comprises a driving motor fixed on one side of the surface of the folded plate, the output end of the driving motor penetrates through the folded plate and extends to the outside of the folded plate, a first gear is fixedly connected with the surface of the output end of the driving motor, and a second gear is fixedly connected with the surface of each rotating shaft.
Preferably, the surface of folded plate has seted up the removal groove, and the internal surface sliding connection in removal groove has the removal strip, the fixed surface of removal strip is connected with the rack, and one side of rack all with one side meshing of first gear with the second gear.
Preferably, the quantitative determination unit comprises a support 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 is fixedly penetrated at the top of the quantitative box, and quantitative cylinders are fixedly connected on two sides of the bottom of the inner wall of the quantitative box.
Preferably, a temperature adjusting mechanism is arranged between the quantitative cylinder and the quantitative box, the top ends of the quantitative cylinders are fixedly connected with connecting pipes, and the top ends of the connecting pipes are communicated and fixed with the bottom ends of the funnels.
Preferably, the bottom of the quantitative cylinder is fixedly connected with a liquid outlet pipe, the bottom of the liquid outlet pipe penetrates through the quantitative box and extends to the outside of the quantitative box, and one end of the liquid outlet pipe penetrates through the arc plate and the measuring cylinder in sequence and extends to the inside of the measuring cylinder.
Preferably, the top laminating of ration section of thick bamboo inner wall is provided with the conical surface, the floater has been placed to the inside of survey section of thick bamboo, and the size looks adaptation and the sealed laminating of the size looks adaptation of just beating of floater with the connecting pipe.
Preferably, the temperature regulating mechanism comprises a metal wire wound on the surface of the measuring cylinder, the two sides of the inner wall of the quantitative box are fixedly connected with heating boxes, and the heating boxes are electrically connected with the metal wire through wires.
The invention also discloses an analysis method of the NMP product metal ion content determination system, which specifically comprises the following steps:
s1, a driving motor is started firstly, the driving motor is utilized to drive a first gear to rotate, the first gear rotates to enable a meshed rack to move to one side, the rack moves to one side to drive a movable bar to move to the inner surface of a movable groove, meanwhile, the rack drives two second gears to rotate, the two second gears rotate and drive a rotating shaft to rotate, the rotating shaft rotates to further drive a 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 and drive two sliding seats to move on two fixed rods, the two sliding seats move on the two fixed rods to enable a transverse plate to move away from each other, the two transverse plates move away from each other to drive a vertical pipe to one side at the moment, the vertical pipe moves to one side to enable an airtight plug to move to one side, at the moment, air in a measuring cylinder enters the vertical pipe, and the measuring cylinder is close to a vacuum environment at the moment;
s2, introducing liquid to be measured from a funnel, enabling the liquid to be measured to enter two quantitative cylinders through a connecting pipe, enabling a floating ball in the quantitative cylinders to float upwards after the liquid to be measured enters the quantitative cylinders, enabling the floating ball to prop against a liquid outlet of the connecting pipe under the action of the conical surface when the floating ball floats upwards to be close to the conical surface, stopping the liquid adding process of the funnel at the moment, starting a heating box at the moment when the temperature of the liquid to be measured in the quantitative cylinders needs to be controlled, enabling a metal wire to generate heat through a wire, and heating the liquid to be measured in the quantitative cylinders by 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 a 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 which appear in the S1-S3 are all provided with corresponding electromagnetic valves.
(III) beneficial effects
The invention provides a system for measuring the metal ion content of an NMP product and an analysis method thereof. Compared with the prior art, the method has the following beneficial effects:
(1) According to the NMP product metal ion content measuring system and the analysis method thereof, the vacuum measuring unit comprises the fixing seats fixed on the two sides of the inner wall of the folded plate, the fixing rods are fixedly connected to the upper side and the lower side of the two fixing seats, the outer surfaces of the two fixing rods are fixedly connected with the sliding seats, one side of each sliding seat is fixedly connected with the transverse plate, one side of each transverse plate is fixedly connected with one end of the corresponding vertical pipe, the rotating shaft is rotatably connected to the surface of the fixing seat, one end of the rotating shaft penetrates through the folded plate and extends to the outside of the folded plate, the stable driving mechanism is arranged between the folded plate and the rotating shaft, the surface of the rotating shaft is fixedly connected with the first rotating plate, the two sides of the surface of the first rotating plate are rotatably connected with the second rotating plate, one side of each second rotating plate is rotatably connected with one side of the sliding seat, the vacuum measuring unit is arranged between the folded plate and the measuring cylinder, power output is provided by the stable driving mechanism, the rotating process of the rotating shaft, the first rotating plate and the second rotating plate are enabled to reciprocate, the fixing rods and the sliding seats are matched, so that the air plug is enabled to move up and down in the inner wall of the measuring cylinder, air plug is enabled to move up and down, air in the measuring cylinder is enabled to be pumped out, the air in the measuring cylinder, the measuring cylinder is enabled to be convenient to be used for measuring, and the initial measuring operation is easy, and the measuring operation is easy to restore.
(2) The NMP product metal ion content measuring system and the analysis 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 is fixedly penetrated at 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 regulating mechanism is arranged between the quantitative cylinder 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 ends of the funnel, a liquid outlet pipe is fixedly communicated with the bottom ends of the quantitative cylinders, the bottom ends of the liquid outlet pipe penetrate the quantitative box and extend to the outside of the quantitative box, one end of drain pipe runs through arc and survey section of thick bamboo in proper order and extends to the inside of survey section of thick bamboo, the top laminating of quantitative section of thick bamboo inner wall is provided with the conical surface, the floater has been placed to the inside of survey section of thick bamboo, and the size looks adaptation and the sealed laminating of beating of floater and connecting pipe, utilize funnel and connecting pipe that set up to the filling of quantitative section of thick bamboo to wait to survey the liquid, simultaneously through temperature adjustment mechanism, can carry out the regulation of temperature to waiting to survey the liquid in the quantitative section of thick bamboo, the best survey temperature of waiting to survey the liquid has been guaranteed, the conical surface and the conical floater of cooperation setting can stop the liquid after filling in the quantitative section of thick bamboo, firstly, when setting up multiunit contrast test, need not to fill the quantitative section of thick bamboo one by one, secondly can avoid waiting to survey the liquid in the quantitative section of thick bamboo to spill over.
Drawings
FIG. 1 is a perspective view of an external structure at a first view angle in accordance with the present invention;
FIG. 2 is an enlarged view of a partial structure of the present invention at A in FIG. 1;
FIG. 3 is a perspective view of the exterior structure of the present invention from a second perspective;
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 partial structure at B in FIG. 4 according to the present invention;
FIG. 6 is a partial structural perspective view of the present invention;
FIG. 7 is a partially exploded perspective view 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 view of the three-dimensional structure of the quantitative measuring unit of the present invention;
fig. 10 is a partial sectional view 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-transverse 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 bar, 86-6-rack, 87-first rotating plate, 88-second rotating plate, 9-quantitative measuring unit, 91-supporting seat, 92-quantitative box, 93-funnel, 94-quantitative cylinder, 95-temperature adjusting mechanism, 95-1-wire, 95-2-heating box, 95-3-conical surface, 96-connecting pipe, 97-liquid outlet pipe, 98-floating ball, 99-floating ball.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, the embodiment of the invention provides a technical scheme: the NMP product metal ion content measuring system comprises a workbench 1, a measuring cylinder 3 embedded and fixed on the surface of the workbench 1 through an arc plate 2, and a measuring device 4 fixed inside the measuring cylinder 3, wherein the upper side and the lower side of the inner wall of the measuring cylinder 3 are both in sliding connection with an airtight plug 5, the bottom of the airtight plug 5 is communicated with a vertical pipe 6, air can enter the vertical pipe 6 from the airtight plug 5, one ends of the two airtight plugs 5, which are separated, are communicated and fixed with the vertical pipe 6, one ends of the two vertical pipes 6, which are separated, 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 surface of the workbench 1, a vacuum measuring unit 8 is arranged between the folded plate 7 and the measuring cylinder 3, a quantitative measuring unit 9 is arranged between the top of the workbench 1 and the measuring cylinder 3, the quantitative measuring unit 9 comprises a support 91 fixed on the two 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 at the top of the quantitative box 92, quantitative cylinders 94 are fixedly connected to the two 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 measuring cylinder 3, the metal wire 95-1 is a metal material with good heat conductivity, such as a copper wire, a heating box 95-2 is fixedly connected to the two sides of the inner wall of the quantitative box 92, a power supply is arranged in the heating box 95-2 and is electrically connected with a conducting wire 95-3, connecting pipes 96 are fixedly connected to the top ends of the two quantitative cylinders 94 through the conducting wire 95-3, the top ends of the two connecting pipes 96 are fixedly connected with the bottom ends of the funnel 93, the bottom end of the quantitative cylinder 94 is fixedly connected with a liquid outlet pipe 97, the bottom end of the liquid outlet pipe 97 penetrates through the quantitative box 92 and extends to the outside of the quantitative box 92, one end of the liquid outlet pipe 97 penetrates through the arc-shaped plate 2 and the quantitative cylinder 3 in sequence and extends to the inside of the quantitative cylinder 3, a conical surface 98 is attached to the top of the inner wall of the quantitative cylinder 94, a floating ball 99 is placed in the inside of the quantitative 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 a connecting pipe 96 in a sealing manner, the liquid to be measured is filled in the quantitative cylinder 3 by using the funnel 93 and the connecting pipe 96 which are arranged, meanwhile, the temperature of the liquid to be measured in the quantitative cylinder 3 can be adjusted through a temperature adjusting mechanism 95, the optimal measuring temperature of the liquid to be measured is guaranteed, the conical surface 98 and the conical floating ball 99 which are matched with each other are arranged, the liquid feeding is stopped after the quantitative cylinder 3 is filled, when a plurality of groups of control tests are arranged, the quantitative cylinder 3 is not required to be filled one by one, and the liquid to be measured in the quantitative cylinder 3 can be avoided; the vacuum measuring unit 8 comprises fixing seats 81 fixed on two sides of the inner wall of the folded plate 7, fixing rods 82 are fixedly connected to the upper side and the lower side of the two fixing seats 81, sliding seats 83 are slidably connected to the outer surfaces of the two fixing rods 82, a transverse plate 84 is fixedly connected to one side of the sliding seats 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 to 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, the surface of the output end of the driving motor 86-1 is fixedly connected with a first gear 86-2, the surfaces of the two rotating shafts 85 are fixedly connected with a second gear 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 slidably connected with a moving bar 86-5, the surface of the moving bar 86-5 is fixedly connected with a rack 86-6, one side of the rack 86-6 is meshed 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 stable driving mechanism 86, the reciprocating rotation of the first rotating plate 87 and the second rotating plate 88 can be realized through the rotating process of the rotating shaft 85, the fixed rod 82 and the sliding seat 83 that the cooperation set up can make airtight stopper 5 go up the upper and lower motion at the inner wall of survey section of thick bamboo 3, not only can take out the air in the survey section of thick bamboo 3 through standpipe 6, avoid the air to treat the influence that causes in the survey process of survey liquid to can be fast with the inside atmospheric pressure of survey section of thick bamboo 3 resumes initial condition, the process of being convenient for carry out the 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, a driving motor 86-1 is started, a 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 to one side, the rack 86-6 moves to one side to drive a moving bar 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 fixed rods 82, the two sliding seats 83 move on the two fixed rods 82 to enable a transverse plate 84 to move away, the two transverse plates 84 move away from each other, at the moment, the vertical pipe 6 moves to one side to enable a sealing plug 5 to move to one side, at the moment, air in a measuring cylinder 3 enters the vertical pipe 6 to the inside, and the measuring cylinder 3 is close to the 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 prop against a liquid outlet of the connecting pipe 96 under the action of the conical surface 98 at the moment when the floating ball 99 floats upwards to be close to the conical surface 98, stopping the liquid feeding 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 heat through a conducting wire 95-3, and heating the liquid to be measured in the quantitative cylinders 94 by utilizing the metal wire 95-1;
s3, finally, introducing the liquid to be measured in the quantifying barrel 94 into the measuring barrel 3 through the liquid outlet pipe 97, measuring the liquid to be measured in the quantifying barrel 94 by using the measuring device 4, and recovering the device to be in an initial state after the operation is completed
In the embodiment of the invention, the standpipe 6, the connecting pipe 96 and the liquid outlet pipe 97 which are arranged in the S1-S3 are all provided with corresponding electromagnetic valves.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a NMP product metal ion content measurement system, includes workstation (1), fixes survey section of thick bamboo (3) and the tester (4) of fixing inside survey section of thick bamboo (3) at workstation (1) surface through arc (2) embedding, its characterized in that: the automatic quantitative measuring device is characterized in that the upper side and the lower side of the inner wall of the measuring cylinder (3) are both connected with airtight plugs (5) in a sliding manner, one ends of the two airtight plugs (5) which are separated are fixedly connected with vertical pipes (6) in a communicating manner, the two ends of the two vertical pipes (6) which are separated 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 surface 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 the folded plate (7), fixing rods (82) are fixedly connected to the upper side and the lower side of the fixing seats (81), 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 the sliding seats (83), one side of the transverse plate (84) is fixedly connected with one end of the vertical tube (6), a rotating shaft (85) is rotatably connected to the surface of the fixing seats (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), a first rotating plate (87) is fixedly connected to the surface of the rotating shaft (85), a second rotating plate (88) is 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 to one side of the sliding seat (83).
The stabilizing 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), a second gear (86-3) is fixedly connected to the surfaces of two rotating shafts (85), a moving groove (86-4) is formed in the surface of the folded plate (7), a moving strip (86-5) is connected to the inner surface of the moving groove (86-4) in a sliding mode, a rack (86-6) is fixedly connected to the surface of the moving strip (86-5), 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);
the quantitative measurement unit (9) is 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) runs through and is fixed with funnel (93), the equal fixedly connected with ration section of thick bamboo (94) in both sides of ration case (92) inner wall bottom, be provided with temperature adjustment mechanism (95) between ration section of thick bamboo (94) and ration case (92), two equal fixedly connected with connecting pipe (96) in top of ration section of thick bamboo (94), two the top of connecting pipe (96) all is fixed with funnel (93) bottom intercommunication, the bottom intercommunication of ration section of thick bamboo (94) is fixed with drain pipe (97), the bottom of drain pipe (97) runs through the outside of ration case (92) and extends to ration case (92), the one end of drain pipe (97) runs through arc (2) and survey section of thick bamboo (3) in proper order and extends to the inside of survey section of thick bamboo (3), the laminating of thick bamboo (94) inner wall top is provided with 98), the inside big and small and the ball (99) that just fits with the ball (99) of ball that is sealed.
2. The NMP product metal ion content measurement system of claim 1, wherein: the temperature adjusting mechanism (95) comprises a metal wire (95-1) wound on the surface of the measuring cylinder (3), heating boxes (95-2) are fixedly connected to two sides of the inner wall of the quantitative box (92), and the heating boxes (95-2) are electrically connected with the metal wire (95-1) through wires (95-3).
3. 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 to one side, the rack (86-6) moves to one side to drive a moving bar (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 and then drive two sliding seats (83) to move on two fixed rods (82), the two sliding seats (82) move on the inner surfaces of the two fixed rods (82) to enable a transverse plate (84) to move away from the two transverse plates (84) to move to the inner side of a vertical tube (6), and then the vertical tube (6) is driven to move to the inner side of the vertical tube (6) to be close to the vacuum measuring tube (6) at the time;
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 prop against a liquid outlet of the connecting pipe (96) under the action of the conical surface (98) at the moment when the floating ball (99) floats upwards to be close to the conical surface (98), stopping the liquid feeding process of the funnel (93), 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 heat through a conducting wire (95-3), and heating the liquid to be measured in the quantitative cylinders (94) by using the metal wire (95-1);
and S3, finally, introducing the liquid to be measured in the quantitative cylinder (94) into the measuring cylinder (3) through a liquid outlet pipe (97), measuring the liquid to be measured in the quantitative cylinder (94) by using a measuring device (4), and recovering to an initial state after the operation is finished.
4. A method for analyzing a metal ion content measuring system for NMP products according to claim 3, characterized in that: the vertical pipes (6), the connecting pipes (96) and the liquid outlet pipes (97) which appear in the S1-S3 are all provided with corresponding electromagnetic valves.
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