CN103041613A - Extractor for vibrating extraction of pesticide residue in food - Google Patents
Extractor for vibrating extraction of pesticide residue in food Download PDFInfo
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- CN103041613A CN103041613A CN2013100215210A CN201310021521A CN103041613A CN 103041613 A CN103041613 A CN 103041613A CN 2013100215210 A CN2013100215210 A CN 2013100215210A CN 201310021521 A CN201310021521 A CN 201310021521A CN 103041613 A CN103041613 A CN 103041613A
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Abstract
The invention relates to an extractor for vibrating extraction of pesticide residue in food, comprising a vibrating extraction device which is arranged at the bottom of a frame, wherein an extraction pipe is arranged in the vibrating extraction device; a purifying extraction device is arranged at the upper part of the frame; a purifying pipe or the extraction pipe is arranged in the purifying extraction device; a pressurizing device is further fixed on the frame; the pressurizing device is connected with a connector by an air pipe; the connector is connected with the upper end of the purifying pipe or the upper end of the extraction pipe; a test tube holder is arranged at the bottom of the frame; a test tube is put in a placement hole in the test tube holder; and the test tube corresponds to the lower end of the purifying pipe. The vibrating extractor provided by the invention is employed for pretreating the detection sample, and is capable of realizing the vibrating extraction function and the purification function; the extractor can be used for multiple purposes; the extraction pipe and the purifying pipe both have the filtering function so that impurities and adsorbent residue in the detection sample can be filtered out; therefore, the purity of the detection sample can be guaranteed and the accuracy and the reliability of the detection analysis result can be ensured.
Description
Technical field:
The invention belongs to Residual Pesticides in Farm Produce and detect the apparatus for conducting assay technical field, be specifically related to a kind of Pesticide Residues mechanical shaking extraction abstraction instrument.
Background technology:
In the food security field, extremely important to the analyzing and testing of Residual Pesticides in Farm Produce.For the toxic level that guarantees remains of pesticide in the agricultural product is lower than the tolerance value of human body, and eats the agricultural product that contain remains of pesticide and can to human body generation injury, must not carry out conventional comprehensive detection analysis to the residues of pesticides in the agricultural product.
When Residual Pesticides in Farm Produce being detected analysis, its crucial step is the preliminary treatment to test sample, sample pretreatment comprises to be extracted and purifies, the conventional method of extracting has ultrasonic method, the homogeneous method, succusion, the conventional method that purifies comprises liquid extraction method, sulfonation method, load the decontaminating column method, the Sample Pretreatment Technique Used of development in recent years, such as SPE, SPME, supercritical fluid extraction, microwave auxiliary extraction, accelerated solvent extraction and gel infiltration extraction etc., it is fast to have rate of extraction, solvent load is little, selective advantages of higher, but the extraction equipment that needs specialty, cost is high, and extraction equipment and cleaning equipment are separate, and be integrated low.And, lack necessary filtration, purification function in the existing extraction equipment, after test sample is extracted, directly enter decontamination procedure, directly cause purifying not thorough, contain impurity in the test sample of extraction and adsorbent is residual, cause test sample relatively " dirty ", can not satisfy to detect and analyze needs, cause analysis result accurate not.
Summary of the invention:
In sum, in order to overcome the deficiency of prior art problem, the invention provides a kind of Pesticide Residues mechanical shaking extraction abstraction instrument, adopt this oscillation extraction instrument that test sample is carried out preliminary treatment, can realize the mechanical shaking extraction function, can realize purification function again, a tractor serves several purposes, simultaneously, used extraction tube when test sample is carried out mechanical shaking extraction, and used purification pipe when purifying, all with filtering function, the impurity that contains and the adsorbent that can filter out in the test sample are residual, thereby guarantee the degree of purity of test sample, guarantee to detect precision of analysis and confidence level.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of Pesticide Residues mechanical shaking extraction abstraction instrument, wherein: comprise frame, the mechanical shaking extraction device, extraction tube, purification pipe, purify extraction element, pressue device, test tube and rack for test tube, described mechanical shaking extraction device is arranged on the frame bottom, extraction tube is placed in the mechanical shaking extraction device, purify extraction element and be arranged on upper rack, purification pipe or extraction tube are placed on and purify in the extraction element, also be fixed with pressue device on the frame, pressue device is connected with joint by tracheae, joint arranges with purification pipe upper end or extraction tube upper end and is connected, frame bottom is placed with rack for test tube, and test tube is placed in the putting hole on the rack for test tube, and test tube is corresponding with the purification pipe lower end.
Technical scheme of the present invention can also be achieved in that described mechanical shaking extraction device comprises vibration frame, vibration motor and eccentric wheel, vibration motor is fixed on the frame, be provided with eccentric wheel on the output shaft of vibration motor, eccentric wheel is connected with the vibration frame, and extraction tube is placed in the putting hole on the frame that vibrates.
Technical scheme of the present invention can also be achieved in that described purification extraction element comprises purification extraction frame, slideway, lifting motor and lifting shaft, slideway is fixed on the frame, purifying the extraction frame moves up and down along slideway, purifying the extraction frame is connected with the top of lifting shaft, the lower end of lifting shaft is connected with the output shaft of lifting motor, purifies to extract on the frame to be provided with putting hole.
Technical scheme of the present invention can also be achieved in that described extraction tube comprises extraction body, upper plug head, lower end cap, dry adsorbent and extracts sieve plate, upper plug head and lower end cap are separately positioned on the up and down two ends of extracting body, the bottom of extracting body is provided with the extraction sieve plate, extracts in the body and is provided with dry adsorbent.
Technical scheme of the present invention can also be achieved in that described purification pipe comprise purify body, purify upper sieve plate, fixing phase adsorbent and purify sieve plate, purify upper sieve plate and be arranged on the top that purifies body, purify lower sieve plate and be arranged on the bottom that purifies body, purify in the body and be provided with fixedly phase adsorbent.
Technical scheme of the present invention can also be achieved in that described pressue device is air pump, the air pump upper end is connected with the top of frame, the lower end of air pump is connected with the base plate of frame, the upper end of air pump sets out gas port, the gas outlet of air pump is provided with valve by the tracheae jointing on the gas outlet of air pump.
Technical scheme of the present invention can also be achieved in that between described joint and purification pipe or the extraction tube and be provided with sealing ring.
Beneficial effect of the present invention is:
1, the present invention adopts this oscillation extraction instrument that test sample is carried out preliminary treatment, can realize the mechanical shaking extraction function, can realize purification function again, a tractor serves several purposes, simultaneously, used extraction tube when test sample is carried out mechanical shaking extraction, and used purification pipe when purifying, all with filtering function, the impurity that contains and the adsorbent that can filter out in the test sample are residual, thereby guarantee the degree of purity of test sample, guarantee to detect precision of analysis and confidence level.
2, liquefying plant of the present invention is simple in structure, novel, convenient to operation, can effectively solve the problem that existing mechanical shaking extraction equipment separates with cleaning equipment, a tractor serves several purposes, effectively reduce the detection analysis cost, can effectively improve again the degree of purity of test sample simultaneously, guarantee detection architecture accurately and reliably.
Description of drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic top plan view of Fig. 1 of the present invention;
Fig. 3 is that schematic diagram is looked on the left side of Fig. 1 of the present invention;
Fig. 4 is perspective view of the present invention;
Fig. 5 is package assembly schematic diagram of the present invention;
Fig. 6 is the structural representation of mechanical shaking extraction device of the present invention;
Fig. 7 is the schematic top plan view of Fig. 6 of the present invention;
Fig. 8 is the perspective view of mechanical shaking extraction device of the present invention;
Fig. 9 is the structural representation of extraction tube of the present invention;
Figure 10 is the structural representation of purification pipe of the present invention.
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Such as Fig. 1,2,3,4,5,6,7,8,9, shown in 10, a kind of Pesticide Residues mechanical shaking extraction abstraction instrument, comprise frame 1, mechanical shaking extraction device 10, extraction tube 16, purification pipe 4, purify extraction element, pressue device, test tube 3 and rack for test tube 2, described extraction tube 16 comprises extraction body 20, upper plug head 19, lower end cap 23, dry adsorbent 21 and extraction sieve plate 22, upper plug head 19 and lower end cap 23 are separately positioned on the up and down two ends of extracting body 20, the bottom of extracting body 20 is provided with extracts sieve plate 22, extracts in the body 20 and is provided with dry adsorbent 21; Purification pipe 4 comprise purify body 25, purify upper sieve plate 24, fixing phase adsorbent 26 and purify sieve plate 27, purify upper sieve plate 24 and be arranged on the top that purifies body 25, purify lower sieve plate 27 and be arranged on the bottom that purifies body 25, purify in the body 25 and be provided with fixedly phase adsorbent 26.
Described mechanical shaking extraction device 10 is arranged on frame 1 bottom, extraction tube 16 is placed in the mechanical shaking extraction device 10, purify extraction element and be arranged on frame 1 top, purification pipe 4 or extraction tube 16 are placed on and purify in the extraction element, also be fixed with pressue device on the frame 1, pressue device is air pump 8, air pump 8 upper ends are connected with the top of frame 1, the lower end of air pump 8 is connected with the base plate of frame 1, the upper end of air pump 8 sets out gas port, the gas outlet of air pump 8 is provided with valve 9 by tracheae 7 jointings 6 on the gas outlet of air pump 8.Joint 6 arranges and is connected with purification pipe 4 upper ends or extraction tube 16 upper ends, be provided with sealing ring 11 between joint 6 and purification pipe 4 or the extraction tube 16, frame 1 bottom is placed with rack for test tube 2, and test tube 3 is placed in the putting hole on the rack for test tube 2, and test tube 3 is corresponding with purification pipe 4 lower ends.Mechanical shaking extraction device 10 comprises vibration frame 17, vibration motor 14 and eccentric wheel 18, vibration motor 14 is fixed on the frame 1, be provided with eccentric wheel 18 on the output shaft of vibration motor 14, eccentric wheel 18 is connected with vibration frame 17, and extraction tube 16 is placed in the putting hole on the frame 17 that vibrates.
Described purification extraction element comprises purification extraction frame 5, slideway 13, lifting motor 15 and lifting shaft 12, slideway 13 is fixed on the frame 1, purifying extraction frame 5 moves up and down along slideway 13, purifying extraction frame 5 is connected with the top of lifting shaft 12, the lower end of lifting shaft 12 is connected with the output shaft of lifting motor 15, purifies to extract on the frame 5 to be provided with putting hole.
During use, sample to be detected is put into extraction tube 16, and at extraction tube 16 interior adding reagent, then the upper plug head 19 by extraction tube 16 seals extraction tube 16, and extraction tube 16 is put into vibration frame 17, starts vibration motor 14, vibration motor 14 drives vibration frame 17 by eccentric wheel 18 and vibrates up and down, after vibration is finished, take off the upper plug head 19 of extraction tube 16 upper ends, extraction tube 16 is fixed to purify extracts on the frame 5.
Start lifting motor 15, lifting motor 15 drives purification extraction frame 5 and moves up, then test tube 3 is put into rack for test tube 2, rack for test tube 2 is put into to purify again and extracted frame 5 belows, and guarantee that test tube 3 is corresponding with extraction tube 16, and then startup lifting motor 15, purify extraction frame 5 drive extraction tubes 16 and move down, joint 6 is connected with extraction tube 16 upper ends, air pump 8 is to extraction tube 16 interior pressurizations, take off the lower end cap 23 of extraction tube 16 lower ends, the solution in the extraction tube 16 is pressed in the test tube 3.In this process, extract impurity and dry adsorbent 21 in sieve plate 22 filtering solutions again.
After the solution in the extraction tube 16 all is pressed into test tube 3, again start lifting motor 15, purify to extract on the frame 5 drive extraction tubes 16 and move, then take off extraction tube 16, purification pipe 4 is placed on purification extracts on the frame 5, and joint 6 is connected with purification pipe 4 upper ends, afterwards, start lifting motor 15, lifting motor 15 drives purification extraction frame 5 and is moved downward to lowermost end, and test tube 3 bottoms that filled solution, booster air pump 8 are inserted in the lower end of purification pipe 4, air pump 8 is with the quick suction purification pipe 4 of the solution in the test tube 3, extrude fast, repeatedly motion makes solution fully contact with fixing phase adsorbent 26 again, impurity in the adsorbent solution, last clean solution filter is in test tube 3.Finish all operations were flow process.
Be noted that, the above embodiment is to the explanation of technical solution of the present invention and unrestricted, other modification that is equal to replacement or makes according to prior art of affiliated technical field those of ordinary skill, as long as do not exceed thinking and the scope of technical solution of the present invention, all should be included within the interest field of the presently claimed invention.
Claims (7)
1. Pesticide Residues mechanical shaking extraction abstraction instrument, it is characterized in that: comprise frame (1), mechanical shaking extraction device (10), extraction tube (16), purification pipe (4), purify extraction element, pressue device, test tube (3) and rack for test tube (2), described mechanical shaking extraction device (10) is arranged on frame (1) bottom, extraction tube (16) is placed in the mechanical shaking extraction device (10), purify extraction element and be arranged on frame (1) top, purification pipe (4) or extraction tube (16) are placed on and purify in the extraction element, frame also is fixed with pressue device on (1), pressue device is connected with joint (6) by tracheae (7), joint (6) arranges with purification pipe (4) upper end or extraction tube (16) upper end and is connected, frame (1) bottom is placed with rack for test tube (2), test tube (3) is placed in the putting hole on the rack for test tube (2), and test tube (3) is corresponding with purification pipe (4) lower end.
2. Pesticide Residues mechanical shaking extraction abstraction instrument according to claim 1, it is characterized in that: described mechanical shaking extraction device (10) comprises vibration frame (17), vibration motor (14) and eccentric wheel (18), vibration motor (14) is fixed on the frame (1), be provided with eccentric wheel (18) on the output shaft of vibration motor (14), eccentric wheel (18) is connected with vibration frame (17), and extraction tube (16) is placed in the putting hole on the frame (17) that vibrates.
3. Pesticide Residues mechanical shaking extraction abstraction instrument according to claim 1, it is characterized in that: described purification extraction element comprises purification extraction frame (5), slideway (13), lifting motor (15) and lifting shaft (12), slideway (13) is fixed on the frame (1), purifying extraction frame (5) moves up and down along slideway (13), purifying extraction frame (5) is connected with the top of lifting shaft (12), the lower end of lifting shaft (12) is connected with the output shaft of lifting motor (15), purifies to extract on the frame (5) to be provided with putting hole.
4. Pesticide Residues mechanical shaking extraction abstraction instrument according to claim 2, it is characterized in that: described extraction tube (16) comprises extraction body (20), upper plug head (19), lower end cap (23), dry adsorbent (21) and extracts sieve plate (22), upper plug head (19) and lower end cap (23) are separately positioned on the up and down two ends of extracting body (20), the bottom of extracting body (20) is provided with extracts sieve plate (22), extracts in the body (20) and is provided with dry adsorbent (21).
5. Pesticide Residues mechanical shaking extraction abstraction instrument according to claim 3, it is characterized in that: described purification pipe (4) comprise purify body (25), purify upper sieve plate (24), fixing phase adsorbent (26) and purify sieve plate (27), purify upper sieve plate (24) and be arranged on the top that purifies body (25), purify lower sieve plate (27) and be arranged on the bottom that purifies body (25), purify in the body (25) and be provided with fixedly phase adsorbent (26).
6. Pesticide Residues mechanical shaking extraction abstraction instrument according to claim 1, it is characterized in that: described pressue device is air pump (8), air pump (8) upper end is connected with the top of frame (1), the lower end of air pump (8) is connected with the base plate of frame (1), the upper end of air pump (8) sets out gas port, the gas outlet of air pump (8) is provided with valve (9) by tracheae (7) jointing (6) on the gas outlet of air pump (8).
7. Pesticide Residues mechanical shaking extraction abstraction instrument according to claim 1 is characterized in that: be provided with sealing ring (11) between described joint (6) and purification pipe (4) or the extraction tube (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100215210A CN103041613A (en) | 2013-01-22 | 2013-01-22 | Extractor for vibrating extraction of pesticide residue in food |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100215210A CN103041613A (en) | 2013-01-22 | 2013-01-22 | Extractor for vibrating extraction of pesticide residue in food |
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| CN103041613A true CN103041613A (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100215210A Pending CN103041613A (en) | 2013-01-22 | 2013-01-22 | Extractor for vibrating extraction of pesticide residue in food |
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Cited By (9)
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| CN105092354A (en) * | 2015-07-29 | 2015-11-25 | 浙江省海洋水产研究所 | High-flux preprocessor for medicinal residue extraction |
| CN106482984A (en) * | 2016-09-21 | 2017-03-08 | 苏州普兰塔环境科技有限公司 | A kind of desk-top plant sap extraction element |
| CN106770699A (en) * | 2016-11-10 | 2017-05-31 | 嘉兴职业技术学院 | A kind of fruit and vegetable residual pesticide detecting system |
| CN109596397A (en) * | 2018-11-16 | 2019-04-09 | 贵州大学 | A kind of rapid detector for pesticide residue device for food safety |
| CN111060656A (en) * | 2019-12-30 | 2020-04-24 | 安徽创佳安全环境科技有限公司 | Detection apparatus for screening toxic harmful pesticide residue |
| CN111097193A (en) * | 2019-12-31 | 2020-05-05 | 绿城农科检测技术有限公司 | Quick solid phase extraction device |
| CN111318051A (en) * | 2020-03-16 | 2020-06-23 | 山东省食品药品检验研究院 | Extraction liquid separating device |
| CN112843782A (en) * | 2021-01-21 | 2021-05-28 | 天津市生态环境监测中心 | Extraction and filtration method for extracting target substances in solid sample |
| CN116499850A (en) * | 2023-06-26 | 2023-07-28 | 河北省食品检验研究院 | Sample pretreatment device for measuring acid value and peroxide value of food |
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| CN105092354A (en) * | 2015-07-29 | 2015-11-25 | 浙江省海洋水产研究所 | High-flux preprocessor for medicinal residue extraction |
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| CN106482984A (en) * | 2016-09-21 | 2017-03-08 | 苏州普兰塔环境科技有限公司 | A kind of desk-top plant sap extraction element |
| CN106770699A (en) * | 2016-11-10 | 2017-05-31 | 嘉兴职业技术学院 | A kind of fruit and vegetable residual pesticide detecting system |
| CN109596397A (en) * | 2018-11-16 | 2019-04-09 | 贵州大学 | A kind of rapid detector for pesticide residue device for food safety |
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| CN111060656A (en) * | 2019-12-30 | 2020-04-24 | 安徽创佳安全环境科技有限公司 | Detection apparatus for screening toxic harmful pesticide residue |
| CN111097193A (en) * | 2019-12-31 | 2020-05-05 | 绿城农科检测技术有限公司 | Quick solid phase extraction device |
| CN111318051A (en) * | 2020-03-16 | 2020-06-23 | 山东省食品药品检验研究院 | Extraction liquid separating device |
| CN112843782A (en) * | 2021-01-21 | 2021-05-28 | 天津市生态环境监测中心 | Extraction and filtration method for extracting target substances in solid sample |
| CN112843782B (en) * | 2021-01-21 | 2022-08-23 | 天津市生态环境监测中心 | Extraction and filtration method for extracting target object in solid sample |
| CN116499850A (en) * | 2023-06-26 | 2023-07-28 | 河北省食品检验研究院 | Sample pretreatment device for measuring acid value and peroxide value of food |
| CN116499850B (en) * | 2023-06-26 | 2023-10-27 | 河北省食品检验研究院 | Sample pretreatment device for measuring acid value and peroxide value of food |
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Application publication date: 20130417 |