CN114018672A - Automatic desorption device of organic pretreatment - Google Patents
Automatic desorption device of organic pretreatment Download PDFInfo
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- CN114018672A CN114018672A CN202111402547.0A CN202111402547A CN114018672A CN 114018672 A CN114018672 A CN 114018672A CN 202111402547 A CN202111402547 A CN 202111402547A CN 114018672 A CN114018672 A CN 114018672A
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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
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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
- G01N1/34—Purifying; Cleaning
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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
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Abstract
The invention discloses an automatic desorption device for organic pretreatment, which has the technical scheme key points that: the reagent bottle box comprises a box body, wherein a control panel is arranged on the outer surface of the box body, a fixing mechanism is fixedly arranged at the top of the box body, a reagent bottle is arranged in the fixing mechanism, a sample injection pump pipe is communicated and arranged in the reagent bottle, the other end of the sample injection pump pipe is communicated and provided with a solvent gun head, the solvent gun head is arranged at the top inside the box body through a moving mechanism, a slight oscillator is fixedly arranged at the bottom inside the box body, a placing plate is arranged at the top of the slight oscillator, a desorption pipe is arranged in the placing plate, a through hole is formed in the bottom of the desorption pipe, a 0.45-micrometer organic microporous filter membrane is arranged in the through hole, and a nut with a hole in the middle is in threaded connection with the bottom of the desorption pipe; the device can reduce the volatilization and waste of the reagent, reduce the time of manual operation in the working process, realize automation in the desorption process and reduce errors and mistakes.
Description
Technical Field
The invention relates to the technical field of organic pretreatment, in particular to an automatic desorption device for organic pretreatment.
Background
The current desorption process is: sawing the activated carbon tube by a saw, taking out A, B sections, respectively putting into test tubes with ground plugs, respectively adding 1.00ml or 2ml desorption solvent into each test tube, sealing, lightly vibrating, desorbing for a corresponding time at room temperature, filtering out the liquid in the test tubes by using a syringe with an organic phase filter head (0.45um), and measuring the filtrate. The method is more traditional, manual operation is carried out in the whole process, the process is complicated, and in order to prevent pollution, desorption liquid needs to be poured into a beaker firstly, then a sampling gun is used for sucking out corresponding amount of desorption liquid from the beaker and putting the desorption liquid into a test tube with a ground stopper, so that organic reagents are exposed in the air in the process, the organic reagents are easy to volatilize, reagent waste is caused, desorption time is easy to be increased or reduced, and errors are easy to occur when the number of samples is large.
Disclosure of Invention
In view of the problems mentioned in the background art, the present invention is to provide an automatic desorption device for organic pretreatment, so as to solve the problems mentioned in the background art.
The technical purpose of the invention is realized by the following technical scheme:
an automatic desorption device for organic pretreatment, which comprises a box body, wherein the outer surface of the box body is provided with a control panel, the top of the box body is fixedly provided with a fixing mechanism, a reagent bottle is arranged in the fixing mechanism, a sample injection pump pipe is communicated and arranged in the reagent bottle, the other end of the sample injection pump pipe is communicated and provided with a solvent gun head, the solvent gun head is arranged at the top of the interior of the box body through a moving mechanism, a slight oscillator is fixedly arranged at the bottom of the interior of the box body, a placing plate is arranged at the top of the slight oscillator, a desorption tube is arranged in the placing plate, a through hole is arranged at the bottom of the desorption tube, a 0.45um organic microporous filter membrane is arranged in the through hole, a screw cap with a hole in the middle is connected with the bottom of the desorption tube through a thread, a drawer plate is arranged on one side of the slight oscillator, and a sample inlet disc is arranged in the drawer plate.
By adopting the technical scheme, the volatilization and waste of the reagent can be reduced, the manual operation time in the working process is reduced, the automation is realized in the desorption process, and the errors and mistakes are reduced; by arranging the fixing mechanism, the stability of the reagent bottle in use can be improved, and the risk that the reagent bottle falls from the top of the box body is reduced; through setting up moving mechanism, can drive the solvent rifle head and remove, make things convenient for the solvent rifle head to carry out the work of dropwise add reagent.
Preferably, the fixing mechanisms are provided with at least three groups, and the at least three groups of fixing mechanisms are transversely arranged at the top of the box body.
Through adopting above-mentioned technical scheme, conveniently fix multiunit reagent bottle.
Preferably, the fixing mechanism comprises a first fixing plate, a second fixing plate, a screw rod, a knob and a positioning block, the first fixing plate is welded on the upper surface of the box body, the first fixing plate is arranged on one side of the reagent bottle, the second fixing plate is arranged on the other end of the reagent bottle, the positioning block is welded on the upper surface of the box body, the screw rod is in threaded connection on the positioning block, one end of the screw rod is rotatably connected with the surface of the second fixing plate, and the other end of the screw rod is welded with the knob.
Through adopting above-mentioned technical scheme, through placing the reagent bottle between first fixed plate and second fixed plate, then drive the screw rod through rotating the knob and rotate, make the screw rod drive the second fixed plate and remove, make the second fixed plate compress tightly the reagent bottle to reagent bottle's stability has been increased.
Preferably, the first fixing plate and the second fixing plate are both arc-shaped plates.
Through adopting above-mentioned technical scheme, conveniently fix the reagent bottle.
Preferably, the outer side of the box body is hinged with a sealing box door, a handle is fixedly arranged on the outer surface of the sealing box door, and a power button is arranged at the bottom of the outer surface of the box body.
Through adopting above-mentioned technical scheme, conveniently operate the box inside, and make things convenient for the circular telegram outage.
Preferably, the moving mechanism comprises an X-axis track, a Y-axis track, a moving block, an electric cylinder and an installation plate, the X-axis track and the Y-axis track are both installed on the top wall inside the box body, the moving block is arranged on the Y-axis track, the electric cylinder is installed on the lower surface of the moving block, the installation plate is installed on the output end of the electric cylinder, the solvent gun head is installed on the lower surface of the installation plate, the X-axis track is used for the solvent gun head to move transversely, the Y-axis track is used for the solvent gun head to move longitudinally, and the electric cylinder is used for the solvent gun head to move vertically.
By adopting the technical scheme, the solvent gun head is convenient to move.
Preferably, the lower surface of the moving block is provided with a sealing ring placing pipe, and a plurality of groups of sealing rings are arranged in the sealing ring placing pipe.
By adopting the technical scheme, the top of the desorption tube is conveniently sealed after the solvent is dripped.
Preferably, the control panel is provided with a start button, a number button, a math selection button, a content selection button and a time selection button.
By adopting the technical scheme, the number of the desorption solvent, the volume of the desorption solvent and the desorption time are conveniently set.
Preferably, the mathematics selection button is provided with five groups, is No. 1 selection button, No. 2 selection button, No. 3 selection button, No. 4 selection button and No. 5 selection button respectively, the content selection button is provided with three groups, is 1ml selection button, 2ml selection button and 3ml selection button respectively, the time selection button is provided with three groups, is 0.5h selection button, 0.75h selection button and 1h selection button respectively.
By adopting the technical scheme, the number of the desorption solvent, the volume of the desorption solvent and the desorption time are conveniently set.
Preferably, the use method of the desorption device comprises the following steps:
s1, preparing reagent bottles for containing reagents required in a desorption process, such as carbon disulfide, dichloromethane and water, wherein one bottle only contains one reagent;
s2, preparing a small desorption tube filled with a 0.45um organic microporous filter membrane and putting the desorption tube into a placing plate;
s3, preparing a sample injection plate, putting 2ml of sample injection small bottles, and putting the sample injection small bottles into a drawer plate;
s4, turning on a power supply button, pumping the solvent in the reagent bottle into a corresponding solvent gun head through a sample injection pump pipe, and then conveying the solvent into a desorption pipe provided with a 0.45-micrometer organic microporous filter membrane;
s5, covering the sealing ring on the desorption tube, and continuing to perform the next sample;
s6, after the solvent is added, starting the light oscillator to work, and after 10s, stopping the light oscillator;
s7, setting the analysis time, taking out the sealing ring in the desorption tube after the set desorption time is reached, so that the solvent in the desorption tube enters 2ml of sample injection vials in the sample injection tray, and the desorption operation is finished.
By adopting the technical scheme.
In summary, the invention mainly has the following beneficial effects:
firstly, the device can reduce the volatilization and waste of the reagent, reduce the time of manual operation in the working process, realize automation in the desorption process and reduce errors and mistakes;
secondly, the reagent bottle fixing mechanism is arranged, so that the stability of the reagent bottle in use can be improved, and the risk that the reagent bottle falls from the top of the box body is reduced;
thirdly, the solvent gun head can be driven to move by arranging the moving mechanism, so that the solvent gun head can conveniently drop the reagent.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural cross-sectional view of the present invention;
FIG. 3 is a schematic view of the construction of the fastening mechanism portion of the present invention;
FIG. 4 is a top view of the structure of the laying plate portion in the present invention;
fig. 5 is a schematic view of the structure of the control panel section in the present invention.
Reference numerals: 1. a box body; 2. a control panel; 21. a start button; 22. a quantity button; 23. a math selection button; 24. a content selection button; 25. a time selection button; 3. a fixing mechanism; 31. a first fixing plate; 32. a second fixing plate; 33. a screw; 34. a knob; 35. positioning blocks; 4. a reagent bottle; 5. a sample injection pump pipe; 6. a solvent lance head; 7. a moving mechanism; 71. an X-axis orbit; 72. a Y-axis track; 73. a moving block; 74. an electric cylinder; 75. mounting a plate; 76. a seal ring placing tube; 8. a slight oscillator; 9. placing the plate; 10. releasing the straw; 11. a drawer plate; 12. a sample feeding disc; 13. sealing the box door; 14. a handle; 15. a power button.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, an automatic desorption device for organic pretreatment comprises a box body 1, a control panel 2 is arranged on the outer surface of the box body 1, a fixing mechanism 3 is fixedly arranged on the top of the box body 1, a reagent bottle 4 is arranged in the fixing mechanism 3, a sample injection pump pipe 5 is arranged in the reagent bottle 4 in a communicating manner, a solvent gun head 6 is arranged at the other end of the sample injection pump pipe 5 in a communicating manner, the solvent gun head 6 is arranged on the top of the inner part of the box body 1 through a moving mechanism 7, a slight oscillator 8 is fixedly arranged at the bottom of the inner part of the box body 1, a placing plate 9 is arranged on the top of the slight oscillator 8, a desorption pipe 10 is arranged in the placing plate 9, a through hole is arranged at the bottom of the desorption pipe 10, an organic microporous filter membrane of 0.45um is arranged in the through hole, a nut with a hole in the middle is in a threaded connection with the bottom of the desorption pipe 10, a drawer plate 11 is arranged on one side of the slight oscillator 8, and a sample inlet disc 12 is arranged in the drawer plate 11.
Referring to fig. 1, a plurality of sets of reagent bottles 4 are fixed for convenience; the fixing mechanism 3 is provided with at least three groups, and the fixing mechanism 3 is transversely arranged at the top of the box body 1.
Referring to fig. 3, the fixing mechanism 3 includes a first fixing plate 31, a second fixing plate 32, a screw 33, a knob 34, and a positioning block 35, the first fixing plate 31 is welded on the upper surface of the case 1, the first fixing plate 31 is disposed at one side of the reagent bottle 4, the second fixing plate 32 is disposed at the other end of the reagent bottle 4, the positioning block 35 is welded on the upper surface of the case 1, the screw 33 is screwed on the positioning block 35, one end of the screw 33 is rotatably connected with the surface of the second fixing plate 32, and the other end of the screw 33 is welded with the knob 34; by placing the reagent bottle 4 between the first fixing plate 31 and the second fixing plate 32, and then rotating the knob 34 to drive the screw 33 to rotate, the screw 33 drives the second fixing plate 32 to move, so that the second fixing plate 32 compresses the reagent bottle 4, thereby increasing the stability of the reagent bottle 4.
Referring to fig. 3, the reagent bottle 4 is fixed for convenience; the first fixing plate 31 and the second fixing plate 32 are both provided as arc-shaped plates.
Referring to fig. 1, the inside of the box body 1 is convenient to operate, and power on and off are convenient; the outer side of the box body 1 is hinged with a sealing box door 13, a handle 14 is fixedly arranged on the outer surface of the sealing box door 13, and a power button 15 is arranged at the bottom of the outer surface of the box body 1.
Referring to fig. 2, in order to move the solvent lance head 6 conveniently, the moving mechanism 7 includes an X-axis track 71, a Y-axis track 72, a moving block 73, an electric cylinder 74 and an installation plate 75, the X-axis track 71 and the Y-axis track 72 are both installed on a top wall inside the box body 1, the moving block 73 is arranged on the Y-axis track 72, the electric cylinder 74 is installed on a lower surface of the moving block 73, the installation plate 75 is installed on an output end of the electric cylinder 74, the solvent lance head 6 is installed on a lower surface of the installation plate 75, the X-axis track 71 is used for the solvent lance head 6 to move transversely, the Y-axis track 72 is used for the solvent lance head 6 to move longitudinally, and the electric cylinder 74 is used for the solvent lance head 6 to move up and down.
Referring to fig. 2, the top of the desorption tube 10 is sealed after the solvent is dropped for convenience; a sealing ring placing pipe 76 is arranged on the lower surface of the moving block 73, and a plurality of groups of sealing rings are arranged in the sealing ring placing pipe 76.
Referring to fig. 1 and 5, the desorption solvent number, the desorption solvent volume, and the desorption time are set for convenience; the control panel 2 is provided with a start button 21, a number button 22, a math selection button 23, a content selection button 24 and a time selection button 25; mathematics selection button 23 is provided with five groups, is selection button No. 1, selection button No. 2, selection button No. 3, selection button No. 4 and selection button No. 5 respectively, content selection button 24 is provided with three groups, is selection button 1ml, selection button 2ml and selection button 3ml respectively, time selection button 25 is provided with three groups, is selection button 0.5h, selection button 0.75h and selection button 1h respectively.
In this embodiment, the method for using the desorption apparatus includes the following steps:
s1, preparing reagent bottles 4 for containing reagents required in the desorption process, such as carbon disulfide, dichloromethane and water, wherein one bottle only contains one reagent;
s2, preparing a small desorption tube 10 filled with a 0.45um organic microporous filter membrane and putting the desorption tube into a placing plate 9;
s3, preparing a sample injection disc 12, putting 2ml of sample injection small bottles, and putting the sample injection small bottles into a drawer plate 11;
s4, turning on a power button 15, pumping the solvent in the reagent bottle 4 into a corresponding solvent gun head 6 through a sample injection pump pipe 5, and then conveying the solvent into a desorption pipe 10 filled with a 0.45-micrometer organic microporous filter membrane;
s5, covering the sealing ring on the desorption tube 10, and continuing to perform the next sample;
s6, after the solvent is added, the slight oscillator 8 starts to work, and after 10s, the slight oscillator 8 is stopped;
s7, setting the analysis time, taking out the sealing ring in the desorption tube 10 after the set desorption time is reached, and enabling the solvent in the desorption tube 10 to enter a 2ml sample injection small bottle in the sample injection tray 12, so that the desorption work is finished.
The use principle and the advantages are as follows:
the device can reduce the volatilization and waste of the reagent, reduce the time of manual operation in the working process, realize automation in the desorption process and reduce errors and mistakes; by arranging the fixing mechanism 3, the stability of the reagent bottle 4 in use can be improved, and the risk that the reagent bottle 4 falls off from the top of the box body 1 is reduced; through setting up moving mechanism 7, can drive solvent rifle head 6 and remove, make things convenient for solvent rifle head 6 to carry out the work of dropwise add reagent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an automatic desorption device of organic pretreatment which characterized in that: comprises a box body (1), a control panel (2) is arranged on the outer surface of the box body (1), a fixing mechanism (3) is fixedly arranged at the top of the box body (1), a reagent bottle (4) is arranged in the fixing mechanism (3), a sample injection pump pipe (5) is arranged in the reagent bottle (4) in a communicating manner, a solvent gun head (6) is arranged at the other end of the sample injection pump pipe (5) in a communicating manner, the solvent gun head (6) is arranged at the top inside the box body (1) through a moving mechanism (7), a slight oscillator (8) is fixedly arranged at the bottom inside the box body (1), a placing plate (9) is arranged at the top of the slight oscillator (8), a desorption pipe (10) is arranged in the placing plate (9), a through hole is formed in the bottom of the desorption pipe (10), a 0.45um organic microporous filter membrane is arranged in the through hole, and a nut with a hole in the middle is in threaded connection with the bottom of the desorption pipe (10), a drawer plate (11) is arranged on one side of the slight oscillator (8), and a sample injection disc (12) is arranged in the drawer plate (11).
2. The automatic desorption device for organic pretreatment according to claim 1, which is characterized in that: the fixing mechanism (3) is provided with at least three groups, and the fixing mechanism (3) is transversely arranged at the top of the box body (1).
3. The automatic desorption device for organic pretreatment according to claim 1, which is characterized in that: fixed establishment (3) include first fixed plate (31), second fixed plate (32), screw rod (33), knob (34) and locating piece (35), first fixed plate (31) welding is in the upper surface of box (1), first fixed plate (31) set up one side of reagent bottle (4), second fixed plate (32) set up the other end of reagent bottle (4), locating piece (35) welding is in the upper surface of box (1), screw rod (33) threaded connection be in on locating piece (35), the one end of screw rod (33) with the surface rotation of second fixed plate (32) is connected, the other end of screw rod (33) with knob (34) welding.
4. The automatic desorption device for organic pretreatment according to claim 3, which is characterized in that: the first fixing plate (31) and the second fixing plate (32) are both arc-shaped plates.
5. The automatic desorption device for organic pretreatment according to claim 1, which is characterized in that: the outer side of the box body (1) is hinged with a sealing box door (13), a handle (14) is fixedly arranged on the outer surface of the sealing box door (13), and a power button (15) is arranged at the bottom of the outer surface of the box body (1).
6. The automatic desorption device for organic pretreatment according to claim 1, which is characterized in that: the moving mechanism (7) comprises an X-axis track (71), a Y-axis track (72), a moving block (73), an electric cylinder (74) and a mounting plate (75), the X-axis track (71) and the Y-axis track (72) are both arranged on the top wall inside the box body (1), the moving block (73) is arranged on the Y-axis track (72), the electric cylinder (74) is arranged on the lower surface of the moving block (73), the mounting plate (75) is arranged at the output end of the electric cylinder (74), the solvent gun head (6) is arranged on the lower surface of the mounting plate (75), the X-axis track (71) is used for the solvent gun head (6) to move transversely, the Y-axis track (72) is used for the longitudinal movement of the solvent gun head (6), the electric cylinder (74) is used for moving the solvent gun head (6) up and down.
7. The automatic desorption device for organic pretreatment according to claim 6, which is characterized in that: the lower surface of the moving block (73) is provided with a sealing ring placing pipe (76), and a plurality of groups of sealing rings are arranged inside the sealing ring placing pipe (76).
8. The automatic desorption device for organic pretreatment according to claim 1, which is characterized in that: the control panel (2) is provided with a start button (21), a number button (22), a math selection button (23), a content selection button (24) and a time selection button (25).
9. The automatic desorption device for organic pretreatment according to claim 8, which is characterized in that: mathematics selection button (23) are provided with five groups, are selection button No. 1, selection button No. 2, selection button No. 3, selection button No. 4 and selection button No. 5 respectively, content selection button (24) are provided with three groups, are selection button 1ml, selection button 2ml and selection button 3ml respectively, time selection button (25) are provided with three groups, are selection button 0.5h, selection button 0.75h and selection button 1h respectively.
10. The automatic desorption apparatus for organic pretreatment according to any one of claims 1 to 9, wherein: the use method of the desorption device comprises the following steps:
s1, preparing reagent bottles (4) for containing reagents required in a desorption process, such as carbon disulfide, dichloromethane and water, wherein one bottle only contains one reagent;
s2, preparing a small desorption tube (10) filled with a 0.45um organic microporous filter membrane and placing the desorption tube into a placing plate (9);
s3, preparing a sample injection disc (12), putting 2ml of sample injection small bottles, and putting the sample injection small bottles into a drawer plate (11);
s4, turning on a power button (15), pumping the solvent in the reagent bottle (4) to a corresponding solvent gun head (6) through a sample injection pump pipe (5), and then conveying the solvent to a desorption pipe (10) provided with a 0.45um organic microporous filter membrane;
s5, covering the sealing ring on the desorption tube (10), and continuing to perform the next sample;
s6, after the solvent is added, the slight oscillator (8) starts to work, and after 10s, the slight oscillator (8) is stopped;
s7, setting the analysis time, taking out the sealing ring in the desorption tube (10) after the set desorption time is reached, and enabling the solvent in the desorption tube (10) to enter a 2ml sample injection bottle in the sample injection disc (12) to finish the desorption work.
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|---|---|---|---|
| CN202111402547.0A CN114018672A (en) | 2021-11-24 | 2021-11-24 | Automatic desorption device of organic pretreatment |
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| CN202111402547.0A CN114018672A (en) | 2021-11-24 | 2021-11-24 | Automatic desorption device of organic pretreatment |
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| CN113406220A (en) * | 2021-05-24 | 2021-09-17 | 杭州电子科技大学 | Application of magnetic straw biochar and GC/MS (gas chromatography/mass spectrometry) in determination of trace organic phosphorus in complex sample |
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