CN113959788A - Sampling device for chemical engineering - Google Patents
Sampling device for chemical engineering Download PDFInfo
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- CN113959788A CN113959788A CN202111584192.1A CN202111584192A CN113959788A CN 113959788 A CN113959788 A CN 113959788A CN 202111584192 A CN202111584192 A CN 202111584192A CN 113959788 A CN113959788 A CN 113959788A
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- sampling
- pivot
- fixing ring
- gear
- fixedly connected
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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
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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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
- G01N1/38—Diluting, dispersing or mixing samples
Abstract
The invention discloses a sampling device for chemical engineering, which relates to the technical field of sampling of chemical experimental samples, and comprises a mixing tank, wherein the upper end of the mixing tank is connected with a sealing cover, the inner side of the mixing tank is provided with a sampling mechanism, a sampling component comprises a sampling cylinder, the two ends of the sampling cylinder are respectively provided with a horn-shaped liquid outlet and a horn-shaped liquid inlet, the inner side of the sampling cylinder, which is close to the horn-shaped liquid inlet, is provided with a first sealing plate, the outer side of the sampling cylinder, which is close to the horn-shaped liquid outlet, is provided with a second sealing plate, and an elastic resetting piece is connected between a round rod and the inner wall of the sampling cylinder. The invention can realize the consistent adjustment of the distance between two adjacent sampling components according to the amount of the chemical reagent in the mixing tank, can realize the flexible layered equidistant sampling of the chemical reagents with different volumes, and has more convenient sampling, automatic sampling after the stirring is finished, judgment error and time error caused by manual sampling are avoided, and the sampling is more accurate and timely.
Description
Technical Field
The invention relates to the technical field of sampling of chemical experimental samples, in particular to a sampling device for chemical engineering.
Background
In the chemical engineering experimentation, often need carry out the chemistry sample to chemical reagent, solution etc. and draw out the sample in the follow totality for test the totality, in the sampling process, need absorb, store the sample and then realize the analysis of detection, sampling device is the indispensable instrument among the chemical engineering.
For example, the sampling device for chemical engineering disclosed in chinese utility model patent publication No. CN213148478U utilizes a rotary auxiliary sampling mechanism to form an air flow, so that the sampling tube displaces the internal air through the difference between the internal and external air pressures, and the air with different heights is collected. Firstly, for some chemical reagents containing sediment substances, sampling needs to be carried out immediately after the chemical reagents are uniformly mixed, otherwise, sediment can be precipitated again, so that the sampling result is inaccurate, but in actual operation, certain judgment error and time error exist in manual sampling, and accurate sampling is difficult; second, during the sample, inconvenient equidistance layering sample of carrying on, especially in the jar under the condition of the how much difference of chemical reagent, be difficult to realize the equidistance layering sample, lead to the experimental data contrast effect poor.
Disclosure of Invention
The invention aims to provide a sampling device for chemical engineering, which aims to solve the technical problems that accurate sampling is difficult and equidistant layered sampling is inconvenient in the prior art.
The invention provides a sampling device for chemical engineering, which comprises a mixing tank, wherein the upper end of the mixing tank is connected with a sealing cover, the inner side of the mixing tank is provided with a sampling mechanism, the sampling mechanism comprises a rotating shaft and a plurality of sampling components, the rotating shaft is rotatably connected with the sealing cover and penetrates through the sealing cover, the rotating shaft is sleeved with a plurality of fixing sleeves at equal intervals from top to bottom, the fixing sleeves correspond to the sampling components one by one, an L-shaped connecting rod is fixedly connected between the fixing sleeves and the sampling components, a driving mechanism I for rotating the rotating shaft is connected between the rotating shaft and the sealing cover, the sampling components comprise sampling cylinders, the large-caliber ends of the horn-shaped liquid outlet and the horn-shaped liquid inlet are respectively arranged towards the rotating direction of the sampling cylinders, and the inner sides of the sampling cylinders, which are close to the horn-shaped liquid inlet, are provided with first sealing plates, the sampling tube is provided with a second sealing plate on the outer side close to the horn-shaped liquid outlet, a round rod is connected between the first sealing plate and the second sealing plate, and an elastic reset piece is connected between the round rod and the inner wall of the sampling tube.
Further, the pivot is the tubulose, be connected with the sample hose between sampler barrel and the pivot, be connected with the solenoid valve on the sample hose.
Further, elasticity resets and includes the solid fixed ring of first solid fixed ring, second and extension spring, the solid fixed ring of first solid fixed ring and second is fixed connection in extension spring's both ends respectively, and first solid fixed ring is located one side that extension spring is close to tubaeform liquid outlet, first solid fixed ring and round bar fixed connection, the solid fixed ring of second and the inner wall fixed connection of sampling tube, and the solid fixed ring of second slides and runs through the round bar.
Further, all be provided with a plurality of mixing holes on the solid fixed ring of first solid fixed ring and the second, the equal fixedly connected with sealing washer of tip that first closing plate and second closing plate are close to tubaeform inlet.
Further, the round bar is connected with a rotating sleeve in a rotating mode, the rotating sleeve is located on one side, close to the horn-shaped liquid inlet, of the second fixing ring, and the rotating sleeve is fixedly connected with wheel blades.
Furthermore, a dredging sheet is fixedly connected to the rotating sleeve and is close to the surface of the second fixing ring.
Furthermore, the first driving mechanism comprises a first driving motor, a first gear and a first outer gear ring, the first driving motor is fixedly connected with the upper end of the sealing cover, the first outer gear ring is fixedly sleeved on the outer side of the rotating shaft, and the first gear is fixedly connected to the output end of the first driving motor and meshed with the first outer gear ring.
Further, the upper end fixedly connected with protective housing of sealed lid, the top activity of pivot runs through protective housing, upper and lower adjacent two be provided with a pair of regulation pole, a pair of between the L shape connecting rod the middle part of adjusting the pole is rotated and is connected, the end connection who adjusts the pole has the gyro wheel, the side of L shape connecting rod is provided with the race with gyro wheel looks adaptation, the inboard of blending tank is provided with splash proof clamp plate, the outside of pivot is located to the splash proof clamp plate movable sleeve, splash proof clamp plate's lower extreme rotates with the fixed cover that is located the top and is connected, is located the downside fixed connection between fixed cover and the pivot, all the other fixed cover and pivot sliding connection, the interior top of protective housing is connected with actuating mechanism two, be connected with the direction subassembly between actuating mechanism two and the splash proof clamp plate.
Further, actuating mechanism two includes second driving motor, two and outer ring gear two, the interior top end fixed connection of second driving motor and protective housing cover, the top movable sleeve of pivot is equipped with the external screw thread pipe, the top of external screw thread pipe is rotated with the interior top of protective housing cover and is connected, two fixed cup joints in the outer end of external screw thread pipe of outer ring gear, two fixed connection of gear in second driving motor's output and with outer ring gear two phase meshing, the direction subassembly is connected between external screw thread pipe and splashproof clamp plate.
Further, the direction subassembly includes lifter plate and spacing slide bar, the lifter plate is located the inboard of protective housing cover and the outside of screw thread cup joint in the external screw thread pipe, spacing slide bar upper end and lifter plate fixed connection, the lower extreme activity of spacing slide bar run through sealed lid and with splashproof clamp plate fixed connection.
Compared with the prior art, the invention has the beneficial effects that:
one is as follows: according to the quantity of chemical reagents in the mixing tank, the second driving motor drives the second gear to rotate, the second gear drives the external threaded pipe to rotate through the second external gear ring, the lifting plate moves up and down under the rotation action of the external threaded pipe, the anti-splash pressing plate moves up and down along the inner wall of the mixing tank along with the lifting plate under the connection action of the limiting sliding rod, the L-shaped connecting rod on the uppermost side is driven by the anti-splash pressing plate to move up and down by the fixed sleeve on the uppermost side, and due to the arrangement of the pair of adjusting rods between the L-shaped connecting rods, the L-shaped connecting rods move synchronously, so that the distance between two adjacent L-shaped connecting rods is always kept to change synchronously, the consistent adjustment of the distance between two adjacent sampling members is realized, the flexible layered equidistant sampling of the chemical reagents with different volumes is realized, and the sampling is more convenient.
The second step is as follows: according to the invention, the first driving motor is used for driving the first gear to rotate, the first gear rotates along with the rotating shaft through the outer gear ring, the rotating shaft drives the sampling component to rotate through the L-shaped connecting rod, the sampling component is matched with the L-shaped connecting rod and the rotating shaft to stir and mix the chemical reagents in the mixing tank, and after the stirring and mixing are finished, the sampling component is used for sampling the chemical reagents, so that the multifunctional function of one object is realized.
And thirdly: the invention utilizes the sampling cylinder to rotate under the drive of the L-shaped connecting rod, chemical reagent enters from the horn-shaped liquid inlet and extrudes the first sealing plate, the horn-shaped liquid inlet is opened, the first sealing plate drives the second sealing plate to open the horn-shaped liquid outlet under the action of the extension spring through the round rod, and in the stirring process, the horn-shaped liquid inlet and the horn-shaped liquid outlet are always kept in an open state under the impact action of the chemical reagent flow, when the stirring is finished, the first sealing plate is impacted by the chemical reagent flow, at the moment, the first sealing plate and the second sealing plate reset under the action of the extension spring through the round rod to seal the horn-shaped liquid inlet and the horn-shaped liquid outlet, and the chemical reagent part at the moment when the stirring is finished is stored in the sampling cylinder, realize the automatic sampling after the stirring, avoid the judgement error and the time error that artifical sample exists, the sample is more accurate timely.
Fourthly, the method comprises the following steps: in the stirring process, after a chemical reagent enters the sampling cylinder, the mixing holes can effectively disperse the chemical reagent flow, so that the mixing effect of the chemical reagent is enhanced, in addition, the chemical reagent flow entering the sampling cylinder impacts the wheel blades, the rotating wheel blades enable the chemical reagent to generate a vortex, the mixing effect is enhanced, the wheel blades rotate along with the dredging sheet through the rotating sleeve, the dredging sheet scrapes large-particle sediments attached to the surface of the second fixing ring, the blockage of the mixing holes in the second fixing ring is effectively prevented, and after the sampling cylinder is used for realizing automatic sampling, an operator can extract the chemical reagent at the corresponding position from the top end of the tubular rotating shaft by using an external liquid taking device at any time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is a schematic structural view of the present invention with the mixing tank and the protective casing removed;
FIG. 4 is a schematic view of the structure at the guide assembly of the present invention;
FIG. 5 is a schematic view of the sampling mechanism according to the present invention;
FIG. 6 is a schematic view of the structure of the adjusting lever according to the present invention;
FIG. 7 is a schematic view of the internal structure of the sampling tube in the stirring state of the present invention;
FIG. 8 is a schematic view of the internal structure of the sampling tube in the state where the stirring is completed in the present invention;
FIG. 9 is a schematic perspective view of the inner structure of the sampling tube of the present invention;
fig. 10 is a sectional view of the sampling tube of the present invention.
Reference numerals: 1. a mixing tank; 2. a sealing cover; 3. a rotating shaft; 4. an L-shaped connecting rod; 5. fixing a sleeve; 6. a sampling member; 601. a sampling tube; 602. a trumpet-shaped liquid outlet; 603. a horn-shaped liquid inlet; 604. a first sealing plate; 605. a round bar; 606. a second sealing plate; 607. a seal ring; 608. a first retaining ring; 609. a second retaining ring; 610. an extension spring; 611. a mixing hole; 612. a blade; 613. dredging tablets; 614. rotating the sleeve; 7. a sampling hose; 8. a first drive motor; 9. a first gear; 10. an outer gear ring I; 11. a splash-proof platen; 12. a lifting plate; 13. a limiting slide bar; 14. an externally threaded tube; 15. a second drive motor; 16. a second gear; 17. a second external gear ring; 18. a wheel groove; 19. a protective housing; 20. adjusting a rod; 21. and a roller.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 10, an embodiment of the present invention provides a sampling device for chemical engineering, including a mixing tank 1, a sealing cover 2 is connected to an upper end of the mixing tank 1, a sampling mechanism is disposed inside the mixing tank 1, the sampling mechanism includes a rotating shaft 3 and a plurality of sampling members 6, the rotating shaft 3 is rotatably connected to the sealing cover 2 and penetrates through the sealing cover 2, the rotating shaft 3 is sleeved with a plurality of fixing sleeves 5 at equal intervals from top to bottom, the fixing sleeves 5 correspond to the sampling members 6 one by one, an L-shaped connecting rod 4 is fixedly connected between the fixing sleeves 5 and the sampling members 6, a first driving mechanism for rotating the rotating shaft 3 is connected between the rotating shaft 3 and the sealing cover 2, the first driving mechanism includes a first driving motor 8, a first gear 9 and a first external gear ring 10, the first driving motor 8 is fixedly connected to an upper end of the sealing cover 2, the first external gear ring 10 is fixedly sleeved on an outer side of the rotating shaft 3, the first gear 9 is fixedly connected to the output end of the first driving motor 8 and meshed with the first external gear ring 10.
Specifically, as figure 1 and figure 2, 8 drive gear 9 of first driving motor rotate, gear 9 takes pivot 3 to rotate through outer ring gear 10, pivot 3 takes sampling member 6 to rotate through L shape connecting rod 4, sampling member 6 cooperation L shape connecting rod 4 and pivot 3 stir the mixture to the chemical reagent of 1 inside of blending tank, after stirring mixes, utilize sampling member 6 to sample chemical reagent, the layering equidistance sample can be realized to the sampling member 6 that top-down equidistance set up.
The sampling component 6 comprises a sampling cylinder 601 with two ends respectively provided with a horn-shaped liquid outlet 602 and a horn-shaped liquid inlet 603, the large-aperture ends of the horn-shaped liquid outlet 602 and the horn-shaped liquid inlet 603 are both arranged towards the rotating direction of the sampling cylinder 601, the inner side of the sampling cylinder 601 close to the horn-shaped liquid inlet 603 is provided with a first sealing plate 604, the outer side of the sampling cylinder 601 close to the horn-shaped liquid outlet 602 is provided with a second sealing plate 606, a round rod 605 is connected between the first sealing plate 604 and the second sealing plate 606, an elastic reset piece is connected between the round rod 605 and the inner wall of the sampling cylinder 601, the elastic reset piece comprises a first fixing ring 608, a second fixing ring 609 and a tension spring 610, the first fixing ring 608 and the second fixing ring 609 are respectively and fixedly connected with two ends of the tension spring 610, the first fixing ring 608 is positioned at one side of the tension spring 610 close to the horn-shaped liquid outlet 602, the first fixing ring 608 is fixedly connected with the round rod 605, the second fixing ring 609 is fixedly connected to the inner wall of the sampling tube 601, and the second fixing ring 609 slidably penetrates the circular rod 605.
The specific working method comprises the following steps: the sampling cylinder 601 is driven by the L-shaped connecting rod 4 to rotate, chemical reagent enters from the horn-shaped liquid inlet 603 and extrudes the first sealing plate 604, the horn-shaped liquid inlet 603 is opened, the first sealing plate 604 drives the second sealing plate 606 to open the horn-shaped liquid outlet 602 under the action of the extension spring 610 through the round rod 605, in the stirring process, the horn-shaped liquid inlet 603 and the horn-shaped liquid outlet 602 are always kept in an open state under the impact action of chemical reagent flow, when the stirring is finished, the first sealing plate 604 is impacted by the chemical reagent flow, at the moment, the first sealing plate 604 and the second sealing plate 606 are reset under the action of the extension spring 610 through the round rod 605, the horn-shaped liquid inlet 603 and the horn-shaped liquid outlet 602 are sealed, the chemical reagent part at the moment when the stirring is finished is stored in the sampling cylinder 601, automatic sampling after the stirring is finished is realized, and judgment errors and time errors existing in manual sampling are avoided, the sampling is more accurate and timely.
The rotating shaft 3 is tubular, a sampling hose 7 is connected between the sampling cylinder 601 and the rotating shaft 3, and an electromagnetic valve is connected to the sampling hose 7.
Specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 5 and fig. 6, after the sampling cylinder 601 is used for automatic sampling, an operator can use an external liquid taking device to draw the chemical reagent at a corresponding position from the top end of the tubular rotating shaft 3 at any time.
The first fixing ring 608 and the second fixing ring 609 are both provided with a plurality of mixing holes 611, and the ends of the first sealing plate 604 and the second sealing plate 606 close to the flared liquid inlet 603 are both fixedly connected with a sealing ring 607.
Specifically, as shown in fig. 9, after the chemical reagent enters the sampling cylinder 601 during the stirring process, the mixing hole 611 can effectively disperse the chemical reagent flow, so as to enhance the mixing effect of the chemical reagent, and the sealing ring 607 can be made of a flexible sealing material, such as a rubber ring, which does not react with the specific chemical reagent, so as to improve the sealing effect, so that the chemical reagent is not easy to seep out during the taking process.
The round rod 605 is rotatably connected with a rotating sleeve 614, the rotating sleeve 614 is positioned on one side of the second fixing ring 609 close to the flared liquid inlet 603, the rotating sleeve 614 is fixedly connected with a wheel blade 612, the rotating sleeve 614 is fixedly connected with a dredging sheet 613, and the dredging sheet 613 is close to the surface of the second fixing ring 609.
Specifically, as shown in fig. 7, 8 and 9, during stirring, the chemical reagent flow entering the sampling cylinder 601 impacts the vanes 612, the rotating vanes 612 generate a vortex of the chemical reagent to enhance the mixing effect, the vanes 612 rotate with the dredging sheets 613 through the rotating sleeve 614, and the dredging sheets 613 scrape off large-particle precipitates attached to the surface of the second fixing ring 609, so that the blocking of the mixing holes 611 on the second fixing ring 609 is effectively prevented.
The upper end of the sealing cover 2 is fixedly connected with a protective shell cover 19, the top end of the rotating shaft 3 movably penetrates through the protective shell cover 19, a pair of adjusting rods 20 are arranged between two vertically adjacent L-shaped connecting rods 4, the middle parts of the pair of adjusting rods 20 are rotatably connected, the end parts of the adjusting rods 20 are connected with idler wheels 21, wheel grooves 18 matched with the idler wheels 21 are formed in the side ends of the L-shaped connecting rods 4, splash-proof pressing plates 11 are arranged on the inner sides of the mixing tanks 1, the splash-proof pressing plates 11 are movably sleeved on the outer sides of the rotating shaft 3, the lower ends of the splash-proof pressing plates 11 are rotatably connected with the fixed sleeves 5 positioned on the uppermost side, the fixed sleeves 5 positioned on the lowermost side are fixedly connected with the rotating shaft 3, other fixed sleeves 5 are slidably connected with the rotating shaft 3, the inner top end of the protective shell cover 19 is connected with a second driving mechanism, a guide assembly is connected between the second driving mechanism and the splash-proof pressing plates 11, and the second driving mechanism comprises a second driving motor 15, The second driving motor 15 is fixedly connected with the inner top end of the protective shell 19, the top end of the rotating shaft 3 is movably sleeved with an external threaded pipe 14, the top end of the external threaded pipe 14 is rotatably connected with the inner top end of the protective shell 19, the second external threaded ring 17 is fixedly sleeved at the outer end of the external threaded pipe 14, the second gear 16 is fixedly connected with the output end of the second driving motor 15 and meshed with the second external threaded ring 17, the guide assembly is connected between the external threaded pipe 14 and the splash-proof press plate 11 and comprises a lifting plate 12 and a limit slide rod 13, the lifting plate 12 is located on the inner side of the protective shell 19 and is in threaded sleeve connection with the outer side of the external threaded pipe 14, the upper end of the limit slide rod 13 is fixedly connected with the lifting plate 12, and the lower end of the limit slide rod 13 movably penetrates through the sealing cover 2 and is fixedly connected with the splash-proof press plate 11.
Specifically, as shown in fig. 1, 2, 3, 4, 5 and 6, the second driving motor 15 drives the second gear 16 to rotate, the second gear 16 drives the external threaded pipe 14 to rotate through the second external gear ring 17, the lifting plate 12 moves up and down under the rotation action of the external threaded pipe 14, the splash guard 11 moves up and down along the inner wall of the mixing tank 1 along with the lifting plate 12 under the connection action of the limit slide bar 13, the uppermost fixing sleeve 5 drives the uppermost L-shaped connecting rod 4 to move up and down under the driving action of the splash guard 11, due to the arrangement of the pair of adjusting rods 20 between the L-shaped connecting rods 4, the plurality of L-shaped connecting rods 4 move synchronously, so that the distance between two adjacent L-shaped connecting rods 4 is kept to change synchronously all the time, thereby realizing the uniform adjustment of the distance between two adjacent sampling members 6, specifically, when the chemical reagent in the mixing tank 1 is low, the lifting plate 12 is adjusted downwards, the splash-proof pressing plate 11 presses the fixed sleeve 5 at the uppermost side downwards, so that the distance between two adjacent L-shaped connecting rods 4 is synchronously reduced, and equidistant layered sampling of a plurality of sampling components 6 is realized; when the chemical reagent in the mixing tank 1 is more, correspondingly, the lifting plate 12 is adjusted upwards
The specific working method comprises the following steps: according to the amount of chemical reagents in the mixing tank 1, a second driving motor 15 drives a second gear 16 to rotate, the second gear 16 drives an external threaded pipe 14 to rotate through a second external gear ring 17, a lifting plate 12 moves up and down under the rotating action of the external threaded pipe 14, a splash-proof pressing plate 11 moves up and down along the inner wall of the mixing tank 1 along with the lifting plate 12 under the connecting action of a limiting sliding rod 13, a topmost fixing sleeve 5 drives a topmost L-shaped connecting rod 4 to move up and down under the driving action of the splash-proof pressing plate 11, and due to the arrangement of a pair of adjusting rods 20 between the L-shaped connecting rods 4, the plurality of L-shaped connecting rods 4 move synchronously, so that the distance between two adjacent L-shaped connecting rods 4 is kept to be synchronously changed all the time, and the consistent adjustment of the distance between two adjacent sampling members 6 is realized; the first driving motor 8 drives the first gear 9 to rotate, the first gear 9 drives the rotating shaft 3 to rotate through the first external gear ring 10, the rotating shaft 3 drives the sampling member 6 to rotate through the L-shaped connecting rod 4, the sampling cylinder 601 is driven to rotate by the L-shaped connecting rod 4, chemical reagent enters from the horn-shaped liquid inlet 603 and extrudes the first sealing plate 604, the horn-shaped liquid inlet 603 is opened, the first sealing plate 604 drives the second sealing plate 606 to open the horn-shaped liquid outlet 602 through the round rod 605 under the action of the extension spring 610, in the stirring process, the horn-shaped liquid inlet 603 and the horn-shaped liquid outlet 602 are always kept in an open state under the impact action of chemical reagent flow, when the stirring is finished, the first sealing plate 604 is impacted by the chemical reagent flow, at the moment, the first sealing plate 604 and the second sealing plate 606 are reset under the action of the extension spring 610 through the round rod 605, the horn-shaped liquid inlet 603 and the horn-shaped liquid outlet 602 are sealed, the chemical reagent part at the moment of finishing stirring is stored in the sampling cylinder 601, so that automatic sampling after the stirring is finished is realized, judgment errors and time errors existing in manual sampling are avoided, and the sampling is more accurate and timely; in the stirring process, after the chemical reagent enters the sampling cylinder 601, the mixing hole 611 can play an effective dispersing role on the chemical reagent flow, so that the mixing effect of the chemical reagent is enhanced, in addition, the chemical reagent flow entering the sampling cylinder 601 impacts the vane 612, the chemical reagent generates a vortex by the rotating vane 612, the mixing effect is enhanced, the vane 612 drives the dredging sheet 613 to rotate through the rotating sleeve 614, the dredging sheet 613 scrapes large-particle precipitates attached to the surface of the second fixing ring 609, the blockage of the mixing hole 611 on the second fixing ring 609 is effectively prevented, and after the sampling cylinder 601 is used for realizing automatic sampling, an operator can extract the chemical reagent at a corresponding position from the top end of the tubular rotating shaft 3 by using an external liquid taking device at any time.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a sampling device for chemical engineering, includes that the upper end is connected with blending tank (1) of sealed lid (2), its characterized in that: the inboard of blending tank (1) is provided with sampling mechanism, sampling mechanism includes pivot (3) and a plurality of sampling member (6), pivot (3) are rotated with sealed lid (2) and are connected and run through sealed lid (2), pivot (3) top-down equidistance cover is equipped with a plurality of fixed cover (5), and is a plurality of fixed cover (5) and a plurality of sampling member (6) one-to-one, and fixedly connected with L shape connecting rod (4) between fixed cover (5) and sampling member (6), be connected with between pivot (3) and sealed lid (2) and be used for pivot (3) pivoted actuating mechanism one, sampling member (6) include sampling cylinder (601) that both ends are provided with tubaeform liquid outlet (602) and tubaeform inlet (603) respectively, and the major diameter end of tubaeform liquid outlet (602) and tubaeform inlet (603) all sets up towards sampling cylinder (601) pivoted direction, the sampling cylinder (601) is provided with first sealing plate (604) near the inboard of tubaeform liquid inlet (603), the outside that the sampling cylinder (601) is close to tubaeform liquid outlet (602) is provided with second sealing plate (606), be connected with round bar (605) between first sealing plate (604) and second sealing plate (606), be connected with the elasticity piece that resets between round bar (605) and sampling cylinder (601) inner wall.
2. The sampling device for chemical engineering according to claim 1, characterized in that: the utility model discloses a sampling device, including pivot (3), sampling tube (601) and pivot (3), pivot (3) are the tubulose, be connected with sampling hose (7) between sampling tube (601) and pivot (3), be connected with the solenoid valve on sampling hose (7).
3. The sampling device for chemical engineering according to claim 2, characterized in that: the elastic reset piece comprises a first fixing ring (608), a second fixing ring (609) and an extension spring (610), wherein the first fixing ring (608) and the second fixing ring (609) are respectively and fixedly connected to two ends of the extension spring (610), the first fixing ring (608) is located on one side, close to the horn-shaped liquid outlet (602), of the extension spring (610), the first fixing ring (608) is fixedly connected with the round rod (605), the second fixing ring (609) is fixedly connected with the inner wall of the sampling cylinder (601), and the second fixing ring (609) penetrates through the round rod (605) in a sliding mode.
4. A sampling device for chemical engineering according to claim 3, characterized in that: the first fixing ring (608) and the second fixing ring (609) are respectively provided with a plurality of mixing holes (611), and the end parts of the first sealing plate (604) and the second sealing plate (606) close to the horn-shaped liquid inlet (603) are respectively and fixedly connected with a sealing ring (607).
5. The sampling device for chemical engineering according to claim 4, characterized in that: the round rod (605) is rotatably connected with a rotating sleeve (614), the rotating sleeve (614) is positioned on one side, close to the trumpet-shaped liquid inlet (603), of the second fixing ring (609), and a wheel blade (612) is fixedly connected to the rotating sleeve (614).
6. Sampling device for chemical engineering according to claim 5, characterized in that: the rotating sleeve (614) is fixedly connected with a dredging sheet (613), and the dredging sheet (613) is close to the surface of the second fixing ring (609).
7. The sampling device for chemical engineering according to claim 1, characterized in that: the first driving mechanism comprises a first driving motor (8), a first gear (9) and a first outer gear ring (10), the first driving motor (8) is fixedly connected with the upper end of the sealing cover (2), the first outer gear ring (10) is fixedly sleeved on the outer side of the rotating shaft (3), and the first gear (9) is fixedly connected to the output end of the first driving motor (8) and meshed with the first outer gear ring (10).
8. The sampling device for chemical engineering according to claim 7, characterized in that: the upper end fixedly connected with protective housing cover (19) of sealed lid (2), the top activity of pivot (3) runs through protective housing cover (19), upper and lower adjacent two be provided with a pair of regulation pole (20) between L shape connecting rod (4), a pair of the middle part of adjusting pole (20) is rotated and is connected, the end connection who adjusts pole (20) has gyro wheel (21), the side of L shape connecting rod (4) is provided with race (18) with gyro wheel (21) looks adaptation, the inboard of blending tank (1) is provided with splash guard (11), the outside of pivot (3) is located to splash guard (11) movable sleeve, the lower extreme of splash guard (11) rotates with fixed cover (5) that are located the top and is connected, is located the most downside fixed connection between fixed cover (5) and pivot (3), all the rest fixed cover (5) and pivot (3) sliding connection, the inner top end of the protective shell cover (19) is connected with a second driving mechanism, and a guide assembly is connected between the second driving mechanism and the splash-proof pressing plate (11).
9. The sampling device for chemical engineering according to claim 8, characterized in that: the actuating mechanism two includes second driving motor (15), gear two (16) and outer ring gear two (17), the interior top end fixed connection of second driving motor (15) and protective housing cover (19), the top movable sleeve of pivot (3) is equipped with outer screw tube (14), the top of outer screw tube (14) rotates with the interior top of protective housing cover (19) to be connected, outer ring gear two (17) are fixed cup joints in the outer end of outer screw tube (14), gear two (16) fixed connection in the output of second driving motor (15) and with outer ring gear two (17) mesh mutually, the direction subassembly is connected between outer screw tube (14) and splashproof clamp plate (11).
10. The sampling device for chemical engineering according to claim 9, characterized in that: the direction subassembly includes lifter plate (12) and spacing slide bar (13), lifter plate (12) are located the inboard and the screw thread of protective housing cover (19) and cup joint in the outside of external screw thread pipe (14), spacing slide bar (13) upper end and lifter plate (12) fixed connection, the lower extreme activity of spacing slide bar (13) run through sealed lid (2) and with splashproof clamp plate (11) fixed connection.
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| CN202111584192.1A CN113959788B (en) | 2021-12-23 | 2021-12-23 | Sampling device for chemical engineering |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111584192.1A CN113959788B (en) | 2021-12-23 | 2021-12-23 | Sampling device for chemical engineering |
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| CN113959788B CN113959788B (en) | 2022-02-25 |
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| CN103091130A (en) * | 2013-01-31 | 2013-05-08 | 中国科学院地质与地球物理研究所 | Liquid sampling device |
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| WO2021174449A1 (en) * | 2020-03-04 | 2021-09-10 | 昆山贝名新材料科技有限公司 | Water quality sampling device for environmental protection technology development |
| CN113484098A (en) * | 2021-05-19 | 2021-10-08 | 林培炎 | Automatic stop multipoint sampler for pollution monitoring |
| CN113776891A (en) * | 2021-09-10 | 2021-12-10 | 高梦瑶 | Production monitoring multistage sampling device for chemical product processing and sampling method thereof |
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2021
- 2021-12-23 CN CN202111584192.1A patent/CN113959788B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103091130A (en) * | 2013-01-31 | 2013-05-08 | 中国科学院地质与地球物理研究所 | Liquid sampling device |
| CN107976337A (en) * | 2017-12-21 | 2018-05-01 | 重庆峰创科技有限公司 | A kind of multi-functional sewage sampler |
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