CN111272920A - Gas chromatograph advances a kind filter equipment - Google Patents
Gas chromatograph advances a kind filter equipment Download PDFInfo
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- CN111272920A CN111272920A CN202010139813.4A CN202010139813A CN111272920A CN 111272920 A CN111272920 A CN 111272920A CN 202010139813 A CN202010139813 A CN 202010139813A CN 111272920 A CN111272920 A CN 111272920A
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Abstract
The invention relates to the technical field of gas chromatographs, in particular to a sample introduction and filtration device of a gas chromatograph, which filters impurities in a sample solution, avoids the damage of the impurities to the gas chromatograph, and improves the use reliability; including four group's pillars, a main part, the dosing tank, the motor frame, including a motor, an end cap, a controller, and a cover plate, the shaft seat, the apparatus further comprises a rotating shaft, the conveyer pipe, a water pump, the rose box, the screen cloth, fibrous layer and discharge pipe, four group's pillar tops are connected with the main part bottom, the inside cavity that is provided with of main part, the main part top is provided with import and export and import and export all communicate with each other with the cavity, dosing tank bottom and import intercommunication, motor frame bottom and main part top intercommunication, the motor front end is connected with motor frame rear end, the motor output passes through the coupling joint with the pivot input, pivot input and shaft seat inner wall rotatable coupling, the shaft seat bottom is connected with the main part top, the.
Description
Technical Field
The invention relates to the technical field of gas chromatographs, in particular to a sample introduction and filtration device of a gas chromatograph.
Background
The gas chromatograph is a chromatographic analysis device using gas as a mobile phase. The principle is mainly to realize the separation of the mixture by utilizing the differences of the boiling point, the polarity and the adsorption property of the substances. After being gasified in the gasification chamber, the sample to be analyzed is carried into the chromatographic column by inert gas (i.e. carrier gas, also called mobile phase), the column contains liquid or solid stationary phase, and each component in the sample tends to form distribution or adsorption equilibrium between the mobile phase and the stationary phase. With the flowing of the carrier gas, the sample components are repeatedly distributed or adsorbed/desorbed in motion for many times, and the components with high distribution concentration in the carrier gas flow out of the chromatographic column firstly, and the components with high distribution concentration in the stationary phase flow out after being distributed. The components flow out of the column and into the detector for measurement, and commonly used detectors include Electron Capture Detectors (ECD), hydrogen flame detectors (FID), Flame Photometric Detectors (FPD), Thermal Conductivity Detectors (TCD), and the like.
The gas chromatograph is generally used for analyzing heat-stable organic matters with the boiling point not more than 500 ℃ in soil, such as volatile organic matters, organic chlorine, organic phosphorus, polycyclic aromatic hydrocarbons, phthalate esters and the like, has the advantages of rapidness, effectiveness, high sensitivity and the like, and plays an important role in soil organic matter research. The sample which can be directly used for gas chromatographic analysis must be gas or liquid, so the soil sample needs to be extracted into a certain solvent by a certain pretreatment method before analysis. In the existing method, soil and a solvent are mixed and oscillated, an upper layer solution is obtained after precipitation, impurities are mixed in the obtained solution, and a gas chromatograph is easily damaged when the solution is put into a gas chromatograph for analysis, so that the use reliability is poor.
Improvement of the invention
In order to solve the technical problem, the invention provides a sample introduction and filtration device for a gas chromatograph, which can filter impurities in a sample solution, prevent the impurities from damaging the gas chromatograph and improve the use reliability.
The invention relates to a sample introduction and filtration device of a gas chromatograph, which comprises four groups of struts, a main body, a dosing tank, a motor frame, a motor, a coupling, a shaft seat, a rotating shaft, a conveying pipe, a water pump, a filter tank, a screen, a fiber layer, a discharge pipe, a supercharging device, a circulating pump bottom support, a circulating pump input pipe, a circulating pump output pipe, a water tank bottom support, a water tank, a flushing pipe, a high-pressure pump, a plurality of groups of spray heads, a dosing port, a dosing cover handle, a liquid discharge pipe and a blow-off pipe, wherein the top ends of the four groups of struts are connected with the bottom end of the main body, the main body is internally provided with a cavity, the top end of the main body is provided with an inlet and an outlet, the inlet and the outlet are both communicated with the cavity, the bottom end of, the bottom end of the shaft seat is connected with the top end of the main body, the outer wall of the rotating shaft is provided with a plurality of groups of stirring blades, the input end of the conveying pipe penetrates through the outlet and extends into the cavity of the main body, the bottom end of the water pump is connected with the top end of the main body, the output end of the water pump is communicated with the outer wall of the conveying pipe, the inside of the filter box is provided with a cavity, the outer side wall of the filter box is provided with a supercharging device, the output end of the supercharging device is communicated with the cavity, the top end of the filter box is provided with an upper opening, the bottom end of the filter box is provided with a lower opening, the upper opening and the lower opening are both communicated with the cavity, the output end of the conveying pipe is communicated with the upper opening, the inner wall of the cavity of the filter box is provided, the input end of a circulating pump input pipe is communicated with the outer wall of the filter box, the output end of the circulating pump is communicated with the input end of a circulating pump output pipe, the output end of the circulating pump output pipe is communicated with the upper part of the outer wall of the filter box, the right end of a water tank bottom support is connected with the outer wall of the left end of the filter box, the top end of the water tank bottom support is connected with the bottom end of a water tank, the top end of the water tank is provided with a water inlet and a water outlet, the water inlet and the water outlet are communicated with the inner cavity, the input end of a flushing pipe penetrates through the water outlet and extends into the inner cavity of the water tank, the output end of the flushing pipe penetrates through the outer wall of the filter box and extends into the cavity of the filter box (12) and is positioned on the upper layer of a fiber layer, the top ends of a plurality of groups of spray, the fluid-discharge tube input and water tank outer wall bottom intercommunication, the intercommunication is provided with the flowing back valve on the fluid-discharge tube, and the blow off pipe left end and rose box outer wall intercommunication, the intercommunication is provided with the blowoff valve on the blow off pipe.
The invention relates to a sample introduction and filtration device of a gas chromatograph, which comprises a fan bracket, a fan, an air filtration chamber and an air inlet pipe, wherein the left end of the fan bracket is connected with the upper part of the outer wall of the right end of a filtration box, the bottom end of the fan is connected with the top end of the fan bracket, the output end of the fan is communicated with the outer wall of the top end of the filtration box, an inner chamber is arranged in the air filtration chamber, the left end of the air filtration chamber is provided with an air outlet, the right end of the air filtration chamber is provided with an air inlet, the air inlet and the air outlet are both communicated with the.
The sample introduction and filtration device for the gas chromatograph further comprises a bottom plate and four groups of trundles, wherein the top end of the bottom plate is connected with the bottom end of the filter box, and the top ends of the four groups of trundles are respectively connected with the bottom end of the bottom plate.
The sample introduction and filtration device for the gas chromatograph further comprises a lower shaft seat, wherein the inner wall of the lower shaft seat is rotatably connected with the outer wall of the bottom end of the rotating shaft, and the bottom end of the lower shaft seat is connected with the bottom end of the inner wall of the cavity of the support column.
The invention relates to a sample introduction and filtration device of a gas chromatograph, wherein a plurality of groups of impact hammers are respectively arranged at the tail ends of a plurality of groups of stirring blades.
The invention relates to a sample introduction and filtration device of a gas chromatograph.
The sampling and filtering device for the gas chromatograph further comprises an upper cover, wherein the bottom end of the upper cover is rotatably connected with the top end of the dosing tank, and the top end of the upper cover is provided with a handle.
The invention relates to a sample introduction and filtration device of a gas chromatograph.
Compared with the prior art, the invention has the beneficial effects that: add soil and solution in to the main part cavity through the dosing tank, open the motor, the motor output end drives shaft coupling and pivot and rotates together, rotatory multiunit stirring leaf vibrates the stirring to soil and solvent, then close the motor, open the water pump after the one end time of stewing, the solution on main part cavity upper strata is filtered the back through screen cloth and fibrous layer and is opened the valve through the conveyer pipe suction rose box cavity, the required sample of gas chromatograph passes through the discharge pipe and discharges the collection, make the impurity in the sample solution obtain filtering, avoid impurity to cause the damage to gas chromatograph, use reliability has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic elevation view of the present invention;
FIG. 3 is a schematic cross-sectional structural view of the present invention;
FIG. 4 is an enlarged partial structural view of the invention A;
FIG. 5 is a schematic view of a partial enlarged structure of the present invention B;
in the drawings, the reference numbers: 1. a pillar; 2. a main body; 3. a dosing box; 4. a motor frame; 5. a motor; 6. a coupling; 7. a shaft seat; 8. a rotating shaft; 9. stirring blades; 10. a delivery pipe; 11. a water pump; 12. a filter box; 13. screening a screen; 14. a fibrous layer; 15. a discharge pipe; 16. a valve; 17. a fan bracket; 18. a fan; 19. an air filtration chamber; 20. an air inlet pipe; 21. a non-woven fabric layer; 22. a base plate; 23. a caster wheel; 24. a lower shaft seat; 25. an impact hammer; 26. a viewing port; 27. an upper cover; 28. a handle; 29. a hoisting frame; 30. a circulating pump bottom support; 31. a circulation pump; 32. a circulation pump input pipe; 33. a circulating pump output pipe; 34. a water tank bottom support; 35. a water tank; 36. a flush tube; 37. a high pressure pump; 38. a spray head; 39. a water filling port; 40. a water adding cover; 41. a handle is covered by a water adding cover; 42. a liquid discharge pipe; 43. a drain valve; 44. a blow-off pipe; 45. a blowoff valve.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the sample introduction and filtration device for a gas chromatograph of the present invention comprises four sets of pillars 1, a main body 2, a dosing tank 3, a motor frame 4, a motor 5, a coupling 6, a shaft seat 7, a rotating shaft 8, a conveying pipe 10, a water pump 11, a filter box 12, a screen 13, a fiber layer 14, a discharge pipe 15, a pressurizing device, a circulating pump base 30, a circulating pump 31, a circulating pump input pipe 32, a circulating pump output pipe 33, a water tank base 34, a water tank 35, a flushing pipe 36, a high pressure pump 37, a plurality of sets of nozzles 38, a water filling port 39, a water filling cover 40, a water filling cover handle 41, a liquid discharge pipe 42 and a sewage discharge pipe 44, wherein the top ends of the four sets of pillars 1 are connected with the bottom end of the main body 2, a cavity is arranged inside the main body 2, an inlet and an outlet are arranged at the top end of the, the front end of a motor 5 is connected with the rear end of a motor frame 4, the output end of the motor 5 is connected with the input end of a rotating shaft 8 through a coupler 6, the input end of the rotating shaft 8 is rotatably connected with the inner wall of a shaft seat 7, the bottom end of the shaft seat 7 is connected with the top end of a main body 2, the outer wall of the rotating shaft 8 is provided with a plurality of groups of stirring blades 9, the input end of a conveying pipe 10 passes through an outlet and extends into the cavity of the main body 2, the bottom end of a water pump 11 is connected with the top end of the main body 2, the output end of the water pump 11 is communicated with the outer wall of the conveying pipe 10, a cavity is arranged inside a filter box 12, a supercharging device is arranged on the outer side wall of the filter box 12, the output end of the supercharging device is communicated with the cavity, the top end of the filter box 12 is provided with an, the discharge pipe 15 is communicated with a valve 16, the right end of a circulating pump output pipe 33 is connected with the bottom of the outer wall at the left end of the filter box 12, the bottom end of the circulating pump 31 is connected with the top end of a circulating pump bottom support 31, the input end of the circulating pump 31 is communicated with the output end of a circulating pump input pipe 32, the input end of the circulating pump input pipe 32 is communicated with the outer wall of the filter box 12, the output end of the circulating pump 31 is communicated with the input end of the circulating pump output pipe 33, the output end of the circulating pump output pipe 33 is communicated with the upper part of the outer wall of the filter box 12, the right end of a water tank bottom support 34 is connected with the outer wall at the left end of the filter box 12, the top end of the water tank bottom support 34 is connected with the bottom end of the water tank 35, an inner cavity is arranged in the water tank, the top ends of a plurality of groups of spray heads 38 are communicated with the output end of a flushing pipe 36, the bottom end of a high-pressure pump 37 is connected with the top end of a water tank 35, the output end of the high-pressure pump 37 is communicated with the outer wall of the flushing pipe 36, the bottom end of a water filling port 39 is communicated with a water inlet, the top end of the water filling port 39 is rotatably connected with the bottom end of a water filling cover 40, the top end of the water filling cover 40 is connected with the bottom end of a water filling cover handle 41, the input end of a liquid discharge pipe 42 is communicated with the bottom end of the outer wall of the water tank 35, a; adding soil and solution into the main body cavity through the dosing tank, turning on the motor, driving the shaft coupling and the rotating shaft to rotate together by the output end of the motor, oscillating and stirring the soil and the solvent by the rotating groups of stirring blades, then turning off the motor, turning on the water pump after standing for a period of time, sucking the solution on the upper layer of the main body cavity into the cavity of the filter box through the delivery pipe, filtering the solution through the screen and the fiber layer, turning on the circulating pump, sucking the solution into the upper layer of the fiber layer again through the input pipe of the circulating pump, the output pipe of the circulating pump and the output pipe of the circulating pump, carrying out secondary filtration on the solution by the fiber layer, opening the valve, turning on the supercharging device, discharging and collecting the sample required by the gas chromatograph through the discharge pipe, when the upper layer of the fiber layer is blocked by impurities, opening the water filling cover to add clean water into the cavity of, open the blowoff valve, sewage passes through the blow off pipe and discharges, makes the impurity in the sample solution obtain filtering, has improved filtration efficiency, avoids impurity to cause the damage to gas chromatograph, has improved the use reliability and can prevent that the fibrous layer from producing the jam, has reduced the limitation of using.
The invention relates to a sample introduction and filtration device of a gas chromatograph, which comprises a fan bracket 17, a fan 18, an air filter chamber 19 and an air inlet pipe 20, wherein the left end of the fan bracket 17 is connected with the upper part of the outer wall of the right end of a filter box 12, the bottom end of the fan 18 is connected with the top end of the fan bracket 17, the output end of the fan 18 is communicated with the outer wall of the top end of the filter box 12, an inner cavity is arranged in the air filter chamber 19, the left end of the air filter chamber 19 is provided with an air outlet, the right end of the air filter chamber 19 is provided with an air inlet, the air inlet and the air outlet are both communicated with the inner cavity; the fan is opened, outside air enters the inner cavity of the air filter chamber through the air inlet pipe, is filtered by the non-woven fabric layer and then enters the upper layer of the cavity of the filter box through the fan, so that the upper layer pressure of the cavity of the filter box is increased, sample solution is pressurized and filtered, and the filtering efficiency is improved.
The sample introduction and filtration device for the gas chromatograph further comprises a bottom plate 22 and four groups of trundles 23, wherein the top end of the bottom plate 22 is connected with the bottom end of the filtration tank 12, and the top ends of the four groups of trundles 23 are respectively connected with the bottom end of the bottom plate 22; through setting up bottom plate and four groups of truckles, can be convenient carry out the bulk movement to the device, reduce the limitation of using.
The sample feeding and filtering device of the gas chromatograph further comprises a lower shaft seat 24, the inner wall of the lower shaft seat 24 is rotatably connected with the outer wall of the bottom end of the rotating shaft 8, and the bottom end of the lower shaft seat 24 is connected with the bottom end of the inner wall of the cavity of the strut 1; through setting up the lower axle bed, can prevent to produce the beat when the pivot from rotating, improved pivot pivoted stability, improved the reliability of using.
According to the sample introduction and filtration device for the gas chromatograph, the tail ends of a plurality of groups of stirring blades 9 are respectively provided with a plurality of groups of impact hammers 25; through setting up multiunit striking hammer, make the caking in the soil can be smashed by easy beating, improved the mixing efficiency of soil and solvent.
The invention relates to a sample introduction and filtration device of a gas chromatograph, wherein the top end of the outer wall of a main body 2 is provided with an observation port 26, and the inner side of the observation port 26 is provided with glass; through setting up the viewing aperture, can observe the inside behavior of main part, reduce the limitation of using.
The sample introduction and filtration device of the gas chromatograph further comprises an upper cover 27, the bottom end of the upper cover 27 is rotatably connected with the top end of the dosing box 3, and the top end of the upper cover 27 is provided with a handle 28; through setting up the upper cover, can prevent that during operation dust and impurity from leading to the fact the pollution to solution in entering into the main part cavity through the dosing tank, avoid influencing gas chromatograph to the accuracy of sample detection, improve the use reliability.
The invention relates to a sample introduction and filtration device of a gas chromatograph, wherein two groups of hoisting frames 29 are arranged at the top end of the outer wall of a filter box 12; through setting up two sets of hoist and mount framves, can carry out the bulk lifting transportation to the device, reduce the limitation of using.
The invention relates to a sample introduction and filtration device of a gas chromatograph, which is operated, soil and solution are added into a main cavity through a dosing tank, a motor is turned on, the output end of the motor drives a coupler and a rotating shaft to rotate together, a plurality of groups of rotating stirring blades oscillate and stir the soil and the solvent, then the motor is turned off, a water pump is turned on after standing for a period of time, the solution on the upper layer of the main cavity is sucked into a cavity of a filtration tank through a conveying pipe, filtered through a screen and a fiber layer and then turned on a circulating pump, the solution is sucked into the upper layer of the fiber layer again through an input pipe of the circulating pump, the fiber layer carries out secondary filtration on the solution, a valve is turned on, a sample required by the gas chromatograph is discharged and collected through a discharge pipe, a fan is turned on, outside air enters an inner cavity of an air, when the fibrous layer upper strata was blocked by impurity, open the lid that adds water and add the clear water through the filler to the water tank cavity, open the high-pressure pump, the clear water passes through the flushing pipe and inhales the multiunit shower nozzle, and the multiunit shower nozzle washes the fibrous layer upper strata, opens the blowoff valve, sewage through the blow off pipe discharge can.
The gas chromatograph sample introduction filtering device provided by the invention is mounted, connected or arranged in a common mechanical mode, and can be implemented as long as the beneficial effects of the gas chromatograph sample introduction filtering device are achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A sample introduction and filtration device for a gas chromatograph is characterized by comprising four groups of struts (1), a main body (2), a dosing tank (3), a motor frame (4), a motor (5), a coupler (6), a shaft seat (7), a rotating shaft (8), a conveying pipe (10), a water pump (11), a filter box (12), a screen (13), a fiber layer (14), a discharge pipe (15), a supercharging device, a circulating pump bottom support (30), a circulating pump (31), a circulating pump input pipe (32), a circulating pump output pipe (33), a water tank bottom support (34), a water tank (35), a flushing pipe (36), a high-pressure pump (37), a plurality of groups of nozzles (38), a water filling port (39), a water filling cover (40), a water filling cover handle (41), a liquid discharge pipe (42) and a sewage discharge pipe (44), wherein the top ends of the four groups of struts (1) are connected with the, the top end of the main body (2) is provided with an inlet and an outlet, the inlet and the outlet are communicated with the cavity, the bottom end of the dosing tank (3) is communicated with the inlet, the bottom end of the motor frame (4) is communicated with the top end of the main body (2), the front end of the motor (5) is connected with the rear end of the motor frame (4), the output end of the motor (5) is connected with the input end of the rotating shaft (8) through a coupler (6), the input end of the rotating shaft (8) is rotatably connected with the inner wall of a shaft seat (7), the bottom end of the shaft seat (7) is connected with the top end of the main body (2), the outer wall of the rotating shaft (8) is provided with a plurality of groups of stirring blades (9), the input end of the conveying pipe (10) penetrates through the outlet and extends into the cavity of the main body (2), the bottom end of the water pump (11) is connected with the top end of, the output end of the supercharging device is communicated with the cavity, the top end of the filter tank (12) is provided with an upper opening, the bottom end of the filter tank (12) is provided with a lower opening, the upper opening and the lower opening are communicated with the cavity, the output end of the conveying pipe (10) is communicated with the upper opening, the inner wall of the cavity of the filter tank (12) is provided with a screen (13) and a fiber layer (14), the input end of a discharge pipe (15) is communicated with the lower opening, a valve (16) is communicated on the discharge pipe (15), the right end of a circulating pump output pipe (33) is connected with the bottom of the outer wall at the left end of the filter tank (12), the bottom end of a circulating pump (31) is connected with the top end of a circulating pump bottom support (30), the input end of the circulating pump (31) is communicated with the output end of a circulating pump input pipe (32), the input end of the circulating pump input pipe (32) is communicated, the right end of a water tank bottom support (34) is connected with the outer wall of the left end of a filter box (12), the top end of the water tank bottom support (34) is connected with the bottom end of a water tank (35), an inner cavity is arranged inside the water tank (35), the top end of the water tank (35) is provided with a water inlet and a water outlet, the water inlet and the water outlet are communicated with the inner cavity, the input end of a flushing pipe (36) penetrates through the water outlet and extends into the inner cavity of the water tank (35), the output end of the flushing pipe (36) penetrates through the outer wall of the filter box (12) and extends into the cavity of the filter box (12) to be positioned on the upper layer of a fiber layer (14), the top ends of a plurality of groups of spray heads (38) are communicated with the output end of the flushing pipe (36), the bottom end of a high-pressure pump (37) is connected with the top end of the water tank (35), the, add water lid (40) top and add water lid handle (41) bottom and be connected, fluid-discharge tube (42) input and water tank (35) outer wall bottom intercommunication, the intercommunication is provided with flowing back valve (43) on fluid-discharge tube (42), blow off pipe (44) left end and 12 outer wall intercommunications, the intercommunication is provided with blowoff valve (45) on blow off pipe (44).
2. The sampling and filtering device for the gas chromatograph as claimed in claim 1, wherein the pressurizing device comprises a fan bracket (17), a fan (18), an air filtering chamber (19) and an air inlet pipe (20), the left end of the fan bracket (17) is connected with the upper part of the outer wall of the right end of the filtering box (12), the bottom end of the fan (18) is connected with the top end of the fan bracket (17), the output end of the fan (18) is communicated with the outer wall of the top end of the filtering box (12), an inner cavity is arranged inside the air filtering chamber (19), the left end of the air filtering chamber (19) is provided with an air outlet, the right end of the air filtering chamber (19) is provided with an air inlet, the air inlet and the air outlet are both communicated with the inner cavity, the output end of the air inlet pipe (20) is communicated with the air inlet.
3. The sample feeding and filtering device for the gas chromatograph according to claim 2, further comprising a bottom plate (22) and four sets of casters (23), wherein the top end of the bottom plate (22) is connected to the bottom end of the filter box (12), and the top ends of the four sets of casters (23) are respectively connected to the bottom end of the bottom plate (22).
4. The sampling filter device of the gas chromatograph according to claim 3, further comprising a lower shaft seat (24), wherein the inner wall of the lower shaft seat (24) is rotatably connected with the outer wall of the bottom end of the rotating shaft (8), and the bottom end of the lower shaft seat (24) is connected with the bottom end of the inner wall of the cavity of the support column (1).
5. The gas chromatograph sampling filter device of claim 4, wherein a plurality of groups of striking hammers (25) are respectively arranged at the tail ends of the stirring blades (9).
6. The gas chromatograph sampling filter device of claim 5, wherein the top end of the outer wall of the main body (2) is provided with a viewing port (26), and the inner side of the viewing port (26) is provided with glass.
7. The sample feeding and filtering device for the gas chromatograph as claimed in claim 6, further comprising an upper cover (27), wherein the bottom end of the upper cover (27) is rotatably connected with the top end of the dosing tank (3), and the top end of the upper cover (27) is provided with a handle (28).
8. A gas chromatograph sampling filter device according to claim 7, characterized in that two sets of hanging racks (29) are arranged on the top of the outer wall of the filter box (12).
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| CN117531333A (en) * | 2024-01-08 | 2024-02-09 | 西安瑞恒测控设备有限公司 | Filtering system of gas chromatograph in krypton-xenon detection |
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