CN104548655A - Manufacturing method of hanging basket in extraction kettle and hanging basket - Google Patents
Manufacturing method of hanging basket in extraction kettle and hanging basket Download PDFInfo
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- CN104548655A CN104548655A CN201310514845.8A CN201310514845A CN104548655A CN 104548655 A CN104548655 A CN 104548655A CN 201310514845 A CN201310514845 A CN 201310514845A CN 104548655 A CN104548655 A CN 104548655A
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- hanging basket
- cylindrical shell
- distributor
- extraction kettle
- carbon dioxide
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Abstract
The invention discloses a manufacturing method of a hanging basket in an extraction kettle and the hanging basket. The hanging basket disclosed by the invention adopts a multi-section cylinder structure, and a distributor is arranged at the bottom of the cylinder at the lower end, so that supercritical carbon dioxide fluid which enters the hanging basket from the bottom of the cylinder at the lower end can only enter the cylinder at the lower end after passing through the distributor, and the supercritical carbon dioxide fluid entering the extraction kettle from the bottom can be prevented from entering the cylinder at the lower end in the form of columnar flow or channel flow; and meanwhile, the distributors are also arranged between the sections of the cylinder, and then the supercritical carbon dioxide fluid after passing through each section of the cylinder can only enter the next section of the cylinder after redistribution. According to the hanging basket disclosed by the invention, multiple uniform redistribution is performed on the supercritical carbon dioxide fluid in the extraction kettle, thereby preventing the supercritical carbon dioxide fluid from forming the columnar flow or the channel flow, effectively improving the flow direction of the supercritical fluid in the extraction kettle, enabling extraction material in the hanging basket to be in full contact with the supercritical fluid and greatly improving the supercritical extraction efficiency and effect.
Description
Technical field
the present invention relates to preparation 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 was through the development of nearly 30 years, and progressively develop into the large-scale plant for suitability for industrialized production by small test device, the device of current largest domestic reaches 3500L.This device has been widely used in the various fields such as food, medicine, chemical industry.Hanging basket in supercritical carbon dioxide extraction apparatus for holding material, be the non-pressure vessel be placed in extraction kettle, prevent material from polluting whole carbon dioxide abstraction system.Whether reasonable extraction efficiency and the end product quality directly having influence on package unit of barrel structure.
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 and supercritical fluid fully do not contact or contactless, and the effect of extracting of material is undesirable.
Summary of the invention
the object of the invention is to, preparation method and the hanging basket of hanging basket in a kind of extraction kettle is provided, to overcome the deficiency that existing hanging basket exists, improve supercritical extract efficiency and effect.
technical scheme of the present invention:
the preparation method of hanging basket in a kind of extraction kettle, the hanging basket of the method adopts more piece tube structure, distributor is provided with in the bottom of lower end barrel, make the supercritical carbon dioxide fluid entering hanging basket from the bottom of lower end barrel must by just can lower end barrel be entered after distributor, the supercritical carbon dioxide fluid avoiding entering from bottom extraction kettle is with post stream or ditch is streamed enters lower end barrel, guarantees that supercritical carbon dioxide fluid fully contacts uniformly with the material in lower end barrel; Simultaneously, also distributor is provided with between each joint cylindrical shell, just next cylindrical shell can be entered, to guarantee that the material often saving cylindrical shell in hanging basket can fully contact with supercritical carbon dioxide fluid fully uniformly after all passing through again to redistribute by the supercritical carbon dioxide fluid after often saving cylindrical shell; To improve effect of extracting and efficiency.
in aforementioned extraction kettle hanging basket preparation method in, described distributor is made up of two pieces of flow distribution plate therebetween one deck screen packs; Filtration mesh number on bottom distributor is greater than the filtration mesh number on the distributor of upper strata; The order number of screen pack is selected between 100 ~ 800.
in aforementioned extraction kettle hanging basket preparation method in, it is characterized in that: the cylindrical shell top, upper end in described more piece cylindrical shell is provided with seal cover, and seal cover is provided with sealing ring, sealing ring is positioned at the position of the following about 50mm of extraction kettle outlet.
in aforementioned extraction kettle hanging basket preparation method in, it is characterized in that: described sealing ring adopts composite that is high temperature resistant, acid-alkali-corrosive-resisting, ensure that hanging basket and extraction kettle inwall seal completely, after CO 2 fluid must be contacted with material by hanging basket inside, could flow in circulation, avoid the loss of carbon dioxide.
according to the hanging basket that the preparation method of hanging basket in aforementioned extraction kettle is formed, comprise the one group of cylindrical shell be connected in series from the bottom to top, each cylinder body bottom is equipped with distributor, connects between each cylindrical shell through slip-knot bolt seal; Upper sleeve upper end and cylindrical shell lower end, bottom are respectively equipped with upper cover and lower cover, and upper cover and lower cover and cylindrical shell are tightly connected.
in aforementioned hanging basket, described distributor comprises two pieces of flow distribution plates, and be provided with screen pack between two pieces of flow distribution plates, flow distribution plate is connected with cylinder body bottom through bolt with screen pack.
in aforementioned hanging basket, described two pieces of flow distribution plates are evenly equipped with flowing hole, and 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 cylindrical shell or the junction of upper and lower cover are equipped with sealing ring, and sealing ring is composite product that is high temperature resistant, acid-alkali-corrosive-resisting.
compared with prior art, hanging basket is designed to more piece tube structure by the present invention, respectively connect between joint cylindrical shell at the upper and lower end of hanging basket and middle part and different distributors is set, and hermetically-sealed construction is set in hanging basket upper end, sealing structure is about 50mm below extraction kettle outlet, sealing ring adopts composite that is high temperature resistant, acid-alkali-corrosive-resisting, ensure that hanging basket and extraction kettle inwall seal completely, after CO 2 fluid must be contacted with material by hanging basket inside, just flow in circulation, avoid the loss of carbon dioxide.CO 2 fluid enters in kettle from extraction kettle lower end, save in cylindrical shell under entering hanging basket equably after the shunting of hanging basket lower end distributor, in the middle part of hanging basket time, fluid carry out secondary uniform after enter one joint cylindrical shell in, by that analogy, fluid enters a upper joint cylindrical shell again after all again being divided equally by each distributor, and then ensures that the material often saving cylindrical shell in hanging basket can contact with supercritical fluid fully, avoid channeling occurs, reach the object improving effect of extracting and efficiency.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 is the partial enlarged drawing at I place in Fig. 1;
fig. 3 is the partial enlarged drawing at II place in Fig. 1.
being labeled as in accompanying drawing: 1-cylindrical shell, 2-distributor, 3-slip-knot bolt, 4-upper cover, 5-lower cover, 6-flow distribution plate, 7-screen pack, 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
below in conjunction with accompanying drawing, the present invention is described in further detail, but not as any limitation of the invention.
a preparation method for hanging basket in extraction kettle, as shown in Figure 1.The hanging basket of the method adopts more piece cylindrical shell 1 structure, distributor 2 is provided with in the bottom of lower end barrel, make the supercritical carbon dioxide fluid entering hanging basket from the bottom of lower end barrel must by just can lower end barrel be entered after distributor 2, avoid the supercritical carbon dioxide fluid entering extraction kettle 11 from bottom to enter lower end barrel so that post is streamed, guarantee that supercritical carbon dioxide fluid fully contacts uniformly with the material in lower end barrel; Simultaneously, also distributor 2 is provided with between each joint cylindrical shell 1, just next cylindrical shell can be entered, to guarantee that the material often saving cylindrical shell in hanging basket can fully contact with supercritical carbon dioxide fluid fully uniformly after all passing through again to redistribute by the supercritical carbon dioxide fluid after often saving cylindrical shell; To improve effect of extracting and efficiency.Described distributor 2 as shown in Figure 2, is made up of two pieces of flow distribution plate 6 therebetween one deck screen packs 7; Filtration mesh number on bottom distributor is greater than the filtration mesh number on the distributor of upper strata; The order number of screen pack 7 is selected between 100 ~ 800.Cylindrical shell top, upper end in described more piece cylindrical shell 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 adopts composite that is high temperature resistant, acid-alkali-corrosive-resisting, ensures that hanging basket and extraction kettle 11 inwall seal completely, after CO 2 fluid must be contacted with material by hanging basket inside, could flow in circulation, avoid the loss of carbon dioxide.
according to the hanging basket that preceding method is formed, comprise the one group of cylindrical shell 1 be connected in series from the bottom to top, be equipped with distributor 2 bottom each cylindrical shell 1, be tightly connected through slip-knot bolt 3 between each cylindrical shell; Upper sleeve upper end and cylindrical shell lower end, bottom are respectively equipped with upper cover 4 and lower cover 5, and upper cover 4 and lower cover 5 are tightly connected with cylindrical shell 1.Described distributor 2 comprises between two pieces of flow distribution plates, 6, two pieces of flow distribution plates 6 and is provided with screen pack 7, and flow distribution plate 6 is connected with bottom cylindrical shell 1 through bolt 8 with screen pack 7.Described two pieces of flow distribution plates 6 are evenly equipped with flowing hole 9, and 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 cylindrical shell 1 or the junction of upper and lower cover are equipped with sealing ring 10, and sealing ring 10 is composite product that is high temperature resistant, acid-alkali-corrosive-resisting.
Embodiment
the present invention carries out repeatedly again uniform to the supercritical carbon dioxide fluid in extraction kettle 11, supercritical carbon dioxide fluid is avoided to form post stream or channel, effectively improve the flow direction of supercritical fluid in extraction kettle, extraction material in hanging basket is fully contacted with supercritical fluid, greatly improves supercritical extract efficiency and effect.
during concrete enforcement, as shown in Figure 1, hanging basket is made the structure that more piece cylindrical shell connects, between hanging basket lower end, upper end and each tube structure, install distributor, air-flow enters hanging basket from extraction kettle air inlet 13 and saves cylindrical shell, and air-flow is when distributor 2, distributor 2 is again uniform by air-flow, make air flow energy uniformly by upper joint cylindrical shell, ensure that extraction material fully contacts with air-flow, improve extraction efficiency.Upper cover 4 is sub-assemblies, comprises adpting flange and distributor 2 etc., can adopt conventional method processing and manufacturing, that is: welding after each part machined being shaped, then is assembled on adpting flange by distributor by securing member.It is similar that the structure of lower cover 5 and preparation method catch up with lid 4; Cylindrical shell 1 is also sub-assembly, and the two ends of cylindrical shell 1 are all welded with flange.Distributor 2 and sealing ring 10 are clipped between two cylindrical shells 1, are assembled into overall structure by slip-knot bolt 3; Adopt slip-knot bolt 3 easy accessibility, be convenient to handling material and cleaning.The effect of sealing ring 10 avoids solid material to leak in extraction kettle, blocks extraction kettle fluid inlet and contaminated-fluid, affect extract purity.As shown in Figure 2, distributor 2 is made up of upper and lower two pieces of flow distribution plates 6 and screen pack 7 each layer distributor 2 contour structures basic simlarity, and is fixed on by bolt 8 on the flange of upper strata cylindrical shell.Position, flowing hole 9 hole wherein on 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, screen pack be 100 ~ 800 orders not etc., according to the difference of process conditions, the filtration mesh number of each distributor 2 is different.When carrying out flow distribution plate assembling, upper and lower two pieces of flow distribution plates, filter, between upper and lower two pieces of flow distribution plates, are assembled on the flange of upper joint barrel end with bolt 8 by screen pack.For cost-saving and material handling is convenient, cylindrical shell 1 adopts thin-wall part, because thin-wall part is very easily out of shape when welded flange, so the sealing surface of flange is generally again etc. carry out fine finishining at postwelding.
Claims (8)
1. the preparation method of hanging basket in an extraction kettle, it is characterized in that: the hanging basket of the method adopts more piece tube structure, distributor is provided with in the bottom of lower end barrel, make the supercritical carbon dioxide fluid entering hanging basket from the bottom of lower end barrel must by just can lower end barrel be entered after distributor, the supercritical carbon dioxide fluid avoiding entering from bottom extraction kettle is with post stream or ditch is streamed enters lower end barrel, guarantees that supercritical carbon dioxide fluid fully contacts uniformly with the material in lower end barrel; Simultaneously, also distributor is provided with between each joint cylindrical shell, just next cylindrical shell can be entered, to guarantee that the material often saving cylindrical shell in hanging basket can fully contact with supercritical carbon dioxide fluid fully uniformly after all passing through again to redistribute by the supercritical carbon dioxide fluid after often saving cylindrical shell; To improve effect of extracting and efficiency.
2. the preparation method of hanging basket in extraction kettle according to claim 1, is characterized in that: described distributor is made up of two pieces of flow distribution plate therebetween one deck screen packs; Filtration mesh number on bottom distributor is greater than the filtration mesh number on the distributor of upper strata; The order number of screen pack is selected between 100 ~ 800.
3. the preparation method of hanging basket in extraction kettle according to claim 1, it is characterized in that: the cylindrical shell top, upper end in described more piece cylindrical shell is provided with seal cover, and seal cover is provided with sealing ring, sealing ring is positioned at the position of the following about 50mm of extraction kettle outlet.
4. the preparation method of hanging basket in extraction kettle according to claim 1, it is characterized in that: described sealing ring adopts composite that is high temperature resistant, acid-alkali-corrosive-resisting, ensure that hanging basket and extraction kettle inwall seal completely, after CO 2 fluid must be contacted with material by hanging basket inside, could flow in circulation, avoid the loss of carbon dioxide.
5. the hanging basket that method is formed according to the arbitrary claim of claim 1-4, it is characterized in that: comprise the one group of cylindrical shell (1) be connected in series from the bottom to top, each cylindrical shell (1) bottom is equipped with distributor (2), is tightly connected between each cylindrical shell through slip-knot bolt (3); Upper sleeve upper end and cylindrical shell lower end, bottom are respectively equipped with upper cover (4) and lower cover (5), and upper cover (4) and lower cover (5) are tightly connected with cylindrical shell (1).
6. hanging basket according to claim 5, it is characterized in that: described distributor (2) comprises two pieces of flow distribution plates (6), be provided with screen pack (7) between two pieces of flow distribution plates (6), flow distribution plate (6) is connected with cylindrical shell (1) bottom through bolt (8) with screen pack (7).
7. hanging basket according to claim 6, is characterized in that: described two pieces of flow distribution plates (6) are evenly equipped with flowing hole (9), and flowing hole (9) is evenly distributed by equilateral triangle, and the flowing hole (9) on two pieces of flow distribution plates (6) shifts to install.
8. hanging basket according to claim 7, it is characterized in that: the described junction of each cylindrical shell (1) or the junction of upper and lower cover are equipped with sealing ring (10), sealing ring (10) is composite product that is high temperature resistant, acid-alkali-corrosive-resisting.
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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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| 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 true CN104548655A (en) | 2015-04-29 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105641970A (en) * | 2016-03-09 | 2016-06-08 | 内蒙古三主粮天然燕麦产业股份有限公司 | Extraction kettle |
| CN106938150A (en) * | 2017-05-11 | 2017-07-11 | 德帕姆(杭州)泵业科技有限公司 | Extraction material basket structure |
| CN107913527A (en) * | 2016-10-11 | 2018-04-17 | 中石化石油工程技术服务有限公司 | A kind of method and extraction equipment of the extracting apolar substance from oil-based drill cuttings |
| WO2018163104A1 (en) * | 2017-03-09 | 2018-09-13 | Waters Technologies Corporation | Diffuser assembly and associated methods |
| CN109011686A (en) * | 2018-08-27 | 2018-12-18 | 海南香岛休闲农业科技发展有限公司 | A kind of dedicated supercritical carbon dioxide extracting kettle of novel 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 |
| WO2019171151A1 (en) * | 2018-03-08 | 2019-09-12 | Waters Technologies Corporation | Modular extraction vessel and associated methods |
| CN110997151A (en) * | 2017-05-26 | 2020-04-10 | C·巴罗纳 | Cryogenic separation of plant material |
| CN111714929A (en) * | 2020-07-24 | 2020-09-29 | 湖南和广生物科技有限公司 | Self-moving material balance filtering device, extraction kettle comprising same and use method |
| CN112430498A (en) * | 2020-11-20 | 2021-03-02 | 湖南和广生物科技有限公司 | Multi-basket step-by-step supercritical fluid extraction kettle |
| CN113648679A (en) * | 2021-08-16 | 2021-11-16 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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| WO2018163104A1 (en) * | 2017-03-09 | 2018-09-13 | Waters Technologies Corporation | Diffuser assembly and associated methods |
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| 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 |
| CN110997151A (en) * | 2017-05-26 | 2020-04-10 | C·巴罗纳 | Cryogenic separation of plant material |
| CN110997151B (en) * | 2017-05-26 | 2021-12-21 | C·巴罗纳 | Cryogenic separation of plant material |
| WO2019171151A1 (en) * | 2018-03-08 | 2019-09-12 | Waters Technologies Corporation | Modular extraction vessel and associated methods |
| CN109011686A (en) * | 2018-08-27 | 2018-12-18 | 海南香岛休闲农业科技发展有限公司 | A kind of dedicated supercritical carbon dioxide extracting kettle of novel 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 |
| CN111714929A (en) * | 2020-07-24 | 2020-09-29 | 湖南和广生物科技有限公司 | Self-moving material balance filtering device, extraction kettle comprising same and use method |
| CN112430498A (en) * | 2020-11-20 | 2021-03-02 | 湖南和广生物科技有限公司 | Multi-basket step-by-step supercritical fluid extraction kettle |
| CN113648679A (en) * | 2021-08-16 | 2021-11-16 | 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 |
| 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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