CN104548655B - The manufacture method of hanging basket and hanging basket in a kind of extraction kettle - Google Patents
The manufacture method of hanging basket and hanging basket in a kind of extraction kettle Download PDFInfo
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- CN104548655B CN104548655B CN201310514845.8A CN201310514845A CN104548655B CN 104548655 B CN104548655 B CN 104548655B CN 201310514845 A CN201310514845 A CN 201310514845A CN 104548655 B CN104548655 B CN 104548655B
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- hanging basket
- cylinder
- distributor
- extraction kettle
- carbon dioxide
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Abstract
The invention discloses manufacture method and the hanging basket of hanging basket in a kind of extraction kettle, hanging basket is used more piece tube structure by the present invention, it is provided with distributor in the bottom of lower end barrel, make the supercritical carbon dioxide fluid entering hanging basket from the bottom of lower end barrel must could enter lower end barrel after passing through distributor, it is to avoid to enter the supercritical carbon dioxide fluid of extraction kettle from bottom with post stream or ditch streamed entrance lower end barrel；Meanwhile, between each joint cylinder, it also is provided with distributor, after all passing through again to redistribute by the supercritical carbon dioxide fluid after often saving cylinder, next cylinder could be entered.Supercritical carbon dioxide fluid in extraction kettle is carried out the most uniform by the present invention, supercritical carbon dioxide fluid is avoided to form post stream or channel, effectively improve the supercritical fluid flow direction in extraction kettle, in making hanging basket, extraction material is fully contacted with supercritical fluid, greatly improves supercritical extraction efficiency and effect.
Description
Technical field
The present invention relates to manufacture method and the hanging basket of hanging basket in a kind of extraction kettle, belong to supercritical fluid extraction equipment technology field.
Background technology
The supercritical carbon dioxide extraction apparatus of China, through the development of nearly 30 years, is progressively developed into the large-scale plant for industrialized production by small test device, and the device of current largest domestic has reached 3500L.This device is widely used to the various fields such as food, medicine, chemical industry.Hanging basket for the non-pressure vessel holding material, being placed in extraction kettle, prevents material from polluting whole carbon dioxide abstraction system in supercritical carbon dioxide extraction apparatus.The whether reasonable extraction efficiency directly influencing package unit of barrel structure and end product quality.
Current hanging basket is single-unit structure, the subject matter that this structure hanging basket exists is: supercritical carbon dioxide is in cyclic process, because flow velocity is too fast or solid material hardens, supercritical carbon dioxide fluid can be caused to form post stream or channel, material is not fully contacted or contactless with supercritical fluid, and the effect of extracting of material is undesirable.
Summary of the invention
It is an object of the invention to, it is provided that the manufacture method of hanging basket and hanging basket in a kind of extraction kettle, with the deficiency overcoming existing hanging basket to exist, improve supercritical extraction efficiency and effect.
Technical scheme:
The manufacture method of hanging basket in a kind of extraction kettle, the hanging basket of the method uses more piece tube structure, it is provided with distributor in the bottom of lower end barrel, make the supercritical carbon dioxide fluid entering hanging basket from the bottom of lower end barrel must could enter lower end barrel after passing through distributor, avoid the supercritical carbon dioxide fluid entering extraction kettle from bottom with post stream or ditch streamed entrance lower end barrel, it is ensured that supercritical carbon dioxide fluid is fully contacted uniformly with the material in lower end barrel；Simultaneously, it also is provided with distributor between each joint cylinder, next cylinder could be entered after all passing through again to redistribute by the supercritical carbon dioxide fluid after often saving cylinder, can sufficiently be fully contacted uniformly with supercritical carbon dioxide fluid often saving the material of cylinder in guaranteeing hanging basket；To improve effect of extracting and efficiency.
In aforementioned extraction kettle in the manufacture method of hanging basket, described distributor is made up of one layer of drainage screen of folder in the middle of two pieces of flow distribution plates；Filtration mesh number on bottom distributor is more than the filtration mesh number on the distributor of upper strata；The mesh number of drainage screen selects between 100～800.
In aforementioned extraction kettle in the manufacture method of hanging basket, it is characterised in that: the cylinder top, upper end in described more piece cylinder is provided with sealing lid, and sealing covers and is provided with sealing ring, and sealing ring is positioned at the position of the following about 50mm of extraction kettle outlet.
In aforementioned extraction kettle in the manufacture method of hanging basket, it is characterized in that: described sealing ring uses high temperature resistant, the composite of acid-alkali-corrosive-resisting, ensure that hanging basket fully seals with extraction kettle inwall, after making CO 2 fluid must contact with material by hanging basket is internal, could flow in circulation, it is to avoid the loss of carbon dioxide.
The hanging basket constituted according to the manufacture method of hanging basket in aforementioned extraction kettle, including the one group of cylinder being connected in series from the bottom to top, each cylinder body bottom is equipped with distributor, connects through slip-knot bolt seal between each cylinder；Upper sleeve upper end and cylinder lower end, bottom are respectively equipped with upper cover and lower cover, upper cover and lower cover and are tightly connected with cylinder.
In aforementioned hanging basket, described distributor includes two pieces of flow distribution plates, is provided with drainage screen, flow distribution plate and drainage screen and is connected with cylinder body bottom through bolt between two pieces of flow distribution plates.
In aforementioned hanging basket, described two pieces of flow distribution plates being evenly equipped with flowing hole, it is evenly distributed that flowing hole presses equilateral triangle, and the flowing hole on two pieces of flow distribution plates shifts to install.
In aforementioned hanging basket, the described junction of each cylinder or the junction of upper and lower cover are equipped with sealing ring, and sealing ring is high temperature resistant, the composite product of acid-alkali-corrosive-resisting.
Compared with prior art, hanging basket is designed to more piece tube structure by the present invention, respectively connect at upper and lower end and the middle part of hanging basket between joint cylinder, different distributors is set, and sealing structure is set in hanging basket upper end, this sealing structure is about 50mm below extraction kettle exports, and sealing ring uses high temperature resistant, the composite of acid-alkali-corrosive-resisting, ensure that hanging basket fully seals with extraction kettle inwall, after making CO 2 fluid must contact with material by hanging basket is internal, just flow in circulation, it is to avoid the loss of carbon dioxide.CO 2 fluid enters in kettle from extraction kettle lower end, evenly into saving in cylinder under hanging basket after being shunted by hanging basket lower end distributor, in the middle part of hanging basket time, fluid carries out in the upper joint cylinder of the uniform rear entrance of secondary, by that analogy, fluid enters back into a upper joint cylinder by each distributor after all again being divided equally, and then the material often saving cylinder in guarantee hanging basket can sufficiently contact with supercritical fluid, avoid channeling, reach to improve effect of extracting and the purpose of efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial enlarged drawing in Fig. 1 at I；
Fig. 3 is the partial enlarged drawing in Fig. 1 at II
。
Being labeled as in accompanying drawing: 1-cylinder, 2-distributor, 3-slip-knot bolt, 4-upper cover, 5-lower cover, 6-flow distribution plate, 7-drainage screen, 8-bolt, 9-flowing hole, 10-sealing ring, 11-extraction kettle, 12-extraction kettle gas outlet, 13-extraction kettle air inlet.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, but not as any limitation of the invention.
The manufacture method of hanging basket in a kind of extraction kettle, as shown in Figure 1.The hanging basket of the method uses more piece cylinder 1 structure, it is provided with distributor 2 in the bottom of lower end barrel, make the supercritical carbon dioxide fluid entering hanging basket from the bottom of lower end barrel must could enter lower end barrel after passing through distributor 2, avoid the supercritical carbon dioxide fluid entering extraction kettle 11 from bottom with post streamed entrance lower end barrel, it is ensured that supercritical carbon dioxide fluid is fully contacted uniformly with the material in lower end barrel；Simultaneously, it also is provided with distributor 2 between each joint cylinder 1, next cylinder could be entered after all passing through again to redistribute by the supercritical carbon dioxide fluid after often saving cylinder, can sufficiently be fully contacted uniformly with supercritical carbon dioxide fluid often saving the material of cylinder in guaranteeing hanging basket；To improve effect of extracting and efficiency.Described distributor 2 is as in figure 2 it is shown, be made up of one layer of drainage screen 7 of folder in the middle of two pieces of flow distribution plates 6；Filtration mesh number on bottom distributor is more than the filtration mesh number on the distributor of upper strata；The mesh number of drainage screen 7 selects between 100～800.Cylinder top, upper end in described more piece cylinder is provided with upper cover 4, above covers and is provided with sealing ring 10, and sealing ring 10 is positioned at the position of the following about 50mm of extraction kettle outlet.Described sealing ring 10 uses high temperature resistant, the composite of acid-alkali-corrosive-resisting, it is ensured that hanging basket fully seals with extraction kettle 11 inwall, after making CO 2 fluid must contact with material by hanging basket is internal, could flow in circulation, it is to avoid the loss of carbon dioxide.
The hanging basket constituted according to preceding method, including the one group of cylinder 1 being connected in series from the bottom to top, is equipped with distributor 2, is tightly connected through slip-knot bolt 3 between each cylinder bottom each cylinder 1；Upper sleeve upper end and cylinder lower end, bottom are respectively equipped with upper cover 4 and lower cover 5, upper cover 4 and lower cover 5 and are tightly connected with cylinder 1.Described distributor 2 includes two pieces of flow distribution plates 6, is provided with drainage screen 7, flow distribution plate 6 and drainage screen 7 and is connected bottom cylinder 1 through bolt 8 between two pieces of flow distribution plates 6.Being evenly equipped with flowing hole 9 on described two pieces of flow distribution plates 6, it is evenly distributed that flowing hole 9 presses equilateral triangle, and the flowing hole 9 on two pieces of flow distribution plates 6 shifts to install.The described junction of each cylinder 1 or the junction of upper and lower cover are equipped with sealing ring 10, and sealing ring 10 is high temperature resistant, the composite product of acid-alkali-corrosive-resisting.
Embodiment
Supercritical carbon dioxide fluid in extraction kettle 11 is carried out the most uniform by the present invention, supercritical carbon dioxide fluid is avoided to form post stream or channel, effectively improve the supercritical fluid flow direction in extraction kettle, in making hanging basket, extraction material is fully contacted with supercritical fluid, greatly improves supercritical extraction efficiency and effect.
When being embodied as, as shown in Figure 1, hanging basket is made the structure that more piece cylinder connects, installing distributor between hanging basket lower end, upper end and each tube structure, air-flow enters joint cylinder hanging basket from extraction kettle air inlet 13, and air-flow is when distributor 2, distributor 2 is the most uniform by air-flow, make air-flow can pass through upper joint cylinder uniformly, it is ensured that extraction material is fully contacted with air-flow, improves extraction efficiency.Upper cover 4 is a molectron, including adpting flange and distributor 2 etc., can use the method processing and manufacturing of routine, it may be assumed that welds after the machining of each part being shaped, then is assembled on adpting flange by distributor by securing member.It is similar that the structure of lower cover 5 and manufacture method catch up with lid 4；Cylinder 1 is also molectron, and the two ends of cylinder 1 are all welded with flange.Distributor 2 and sealing ring 10 are clipped between two cylinders 1, are assembled into overall structure by slip-knot bolt 3；Use slip-knot bolt 3 easy accessibility, it is simple to handling material and cleaning.The effect of sealing ring 10 is to avoid solid material to leak in extraction kettle, blocks extraction kettle fluid inlet and contaminated-fluid, affects extract purity.Each layer distributor 2 contour structures basic simlarity is as in figure 2 it is shown, distributor 2 is made up of upper and lower two pieces of flow distribution plates 6 and drainage screen 7, and is fixed on the flange of upper strata cylinder by bolt 8.Position, flowing hole 9 hole on the most upper and lower flow distribution plate 6 is positive triangle arrangement, and the flowing hole 9 hole dislocation on upper and lower two pieces of flow distribution plates is opened, and drainage screen is 100～800 mesh, and according to the difference of process conditions, the filtration mesh number of each distributor 2 is different.When carrying out flow distribution plate and assembling, upper and lower two pieces of flow distribution plates, screen plate, between upper and lower two pieces of flow distribution plates, are assembled on the flange of upper joint barrel end by drainage screen with bolt 8.Convenient for cost-effective and material handling, cylinder 1 uses thin-wall part, owing to thin-wall part easily deforms when welded flange, so the sealing surface of flange is usually again etc. carries out polish at postwelding.
Claims (8)
1. the manufacture method of hanging basket in an extraction kettle, it is characterized in that: the hanging basket of the method uses more piece tube structure, it is provided with distributor in the bottom of lower end barrel, make the supercritical carbon dioxide fluid entering hanging basket from the bottom of lower end barrel must could enter lower end barrel after passing through distributor, avoid the supercritical carbon dioxide fluid entering extraction kettle from bottom with post stream or ditch streamed entrance lower end barrel, it is ensured that supercritical carbon dioxide fluid is fully contacted uniformly with the material in lower end barrel；Simultaneously, it also is provided with distributor between each joint cylinder, next cylinder could be entered after all passing through again to redistribute by the supercritical carbon dioxide fluid after often saving cylinder, can sufficiently be fully contacted uniformly with supercritical carbon dioxide fluid often saving the material of cylinder in guaranteeing hanging basket；To improve effect of extracting and efficiency.
The manufacture method of hanging basket in extraction kettle the most according to claim 1, it is characterised in that: described distributor is made up of one layer of drainage screen of folder in the middle of two pieces of flow distribution plates；Filtration mesh number on bottom distributor is more than the filtration mesh number on the distributor of upper strata；The mesh number of drainage screen selects between 100～800.
The manufacture method of hanging basket in extraction kettle the most according to claim 1, it is characterised in that: the cylinder top, upper end in described more piece cylinder is provided with sealing lid, and sealing covers and is provided with sealing ring, and sealing ring is positioned at the position of the following about 50mm of extraction kettle outlet.
The manufacture method of hanging basket in extraction kettle the most according to claim 1, it is characterized in that: described sealing ring uses high temperature resistant, the composite of acid-alkali-corrosive-resisting, ensure that hanging basket fully seals with extraction kettle inwall, after making CO 2 fluid must contact with material by hanging basket is internal, could flow in circulation, it is to avoid the loss of carbon dioxide.
5. the hanging basket constituted according to method described in claim 1-4 any claim, it is characterized in that: include the one group of cylinder (1) being connected in series from the bottom to top, each cylinder (1) bottom is equipped with distributor (2), is tightly connected through slip-knot bolt (3) between each cylinder；Upper sleeve upper end and cylinder lower end, bottom are respectively equipped with upper cover (4) and lower cover (5), upper cover (4) and lower cover (5) and are tightly connected with cylinder (1).
Hanging basket the most according to claim 5, it is characterized in that: described distributor (2) includes two pieces of flow distribution plates (6), it is provided with drainage screen (7), flow distribution plate (6) and drainage screen (7) between two pieces of flow distribution plates (6) to be connected with cylinder (1) bottom through bolt (8).
Hanging basket the most according to claim 6, it is characterised in that: being evenly equipped with flowing hole (9) on described two pieces of flow distribution plates (6), it is evenly distributed that flowing hole (9) presses equilateral triangle, and the flowing hole (9) on two pieces of flow distribution plates (6) shifts to install.
Hanging basket the most according to claim 7, it is characterised in that: the described junction of each cylinder (1) or the junction of upper and lower cover are equipped with sealing ring (10), and sealing ring (10) is high temperature resistant, the composite product of acid-alkali-corrosive-resisting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310514845.8A CN104548655B (en) | 2013-10-28 | 2013-10-28 | The manufacture method of hanging basket and hanging basket in a kind of extraction kettle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310514845.8A CN104548655B (en) | 2013-10-28 | 2013-10-28 | The manufacture method of hanging basket and hanging basket in a kind of extraction kettle |
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| CN104548655A CN104548655A (en) | 2015-04-29 |
| CN104548655B true CN104548655B (en) | 2016-08-17 |
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| CN105641970B (en) * | 2016-03-09 | 2019-09-06 | 内蒙古三主粮天然燕麦产业股份有限公司 | A kind of extraction kettle |
| CN107913527B (en) * | 2016-10-11 | 2021-05-04 | 中石化石油工程技术服务有限公司 | Method and device for extracting nonpolar substances from oil-based drill cuttings |
| US10603645B2 (en) | 2017-03-09 | 2020-03-31 | Waters Technologies Corporation | Diffuser assembly and associated methods |
| CN106938150B (en) * | 2017-05-11 | 2022-08-26 | 德帕姆(杭州)泵业科技有限公司 | Structure of extraction basket |
| US10864525B1 (en) * | 2017-05-26 | 2020-12-15 | Cryocann USA Corporation | System and method for cryogenic separation of plant material |
| WO2019171151A1 (en) * | 2018-03-08 | 2019-09-12 | Waters Technologies Corporation | Modular extraction vessel and associated methods |
| CN109011686B (en) * | 2018-08-27 | 2021-07-30 | 海南香岛休闲农业科技发展有限公司 | Special supercritical carbon dioxide extraction cauldron of agalloch eaglewood |
| CN109663378A (en) * | 2019-02-19 | 2019-04-23 | 南通市华安超临界萃取有限公司 | A kind of supercritical carbon dioxide extracting kettle |
| CN113648679B (en) * | 2021-08-16 | 2022-09-30 | 湖南和广生物科技有限公司 | Material basket for supercritical fluid extraction and extraction device composed of material basket |
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| CN203525364U (en) * | 2013-10-28 | 2014-04-09 | 贵州航天乌江机电设备有限责任公司 | Hanging basket in extraction kettle |
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2013
- 2013-10-28 CN CN201310514845.8A patent/CN104548655B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3800201C1 (en) * | 1988-01-07 | 1989-08-10 | Herbert 6340 Dillenburg De Greeb | Method of composting organic waste and/or sewage sludge in closed containers |
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| CN104548655A (en) | 2015-04-29 |
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