CN202224164U - Drying device for fluvastatin alcohol ketone reaction solvent - Google Patents
Drying device for fluvastatin alcohol ketone reaction solvent Download PDFInfo
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- CN202224164U CN202224164U CN2011203385671U CN201120338567U CN202224164U CN 202224164 U CN202224164 U CN 202224164U CN 2011203385671 U CN2011203385671 U CN 2011203385671U CN 201120338567 U CN201120338567 U CN 201120338567U CN 202224164 U CN202224164 U CN 202224164U
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- drying device
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- alcohol ketone
- solvent
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Abstract
The utility model provides a drying device for fluvastatin alcohol ketone reaction solvent, which belongs to the technical field of mechanical machinery. The drying device solves problems that an existing dehydration plant cannot realize circulation dehydration and is poor in dehydration effect. The drying device comprises a reactor, the reactor is provided with an solvent inlet pipe and a solvent outlet pipe, the inlet pipe and the outlet pipe are communicated with a plurality of dryers by pipe fittings and a diaphragm pump, the diaphragm pump is communicated with the inlet pipe of the reactor, the dryers are arranged between the outlet pipe and the diaphragm pump in parallel and can be communicated with the outlet pipe and the diaphragm pump respectively, and recycling devices are further connected onto the dryers. Solvent is dehydrated in a circulation manner by the aid of the reactor, the dryers and the diaphragm pump until requirements on the solvent are met, and water content treated by the dryers finally flows back into the recycling devices. By the aid of the drying device, circulation dehydration of the reaction solvent is realized, the drying device is convenient in use and high in work efficiency, the pipe fittings are prevented from blocking, and a drying operation procedure is simple.
Description
Technical field
The utility model belongs to the chemical machinery technical field, relates to a kind of drying device, and particularly a kind of fluorine cuts down the drying device of alcohol ketone reaction dissolvent.
Background technology
Fluorine cuts down the important intermediate that alcohol ketone is a Fluvastatin, and fluvastatin sodium is to reducing the T-CHOL amount of serum, and low-density lipoprotein (LDL) and triglyceride levels have remarkable result.Fluorine cut down the alcohol ketone chemical name for (E)-7-[3 '-(4 " fluorophenyl)-1 '-isopropyl indole-2 '-yl]-3-hydroxyl-5-oxo-6-heptenoic acid tert-butyl ester, molecular formula is C
28H
32FNO
4
It is mixed solvents such as 2-methyltetrahydrofuran and n-hexane that fluorine cuts down the alcohol ketone reaction dissolvent, in the material processing procedure, relates to water-washing process, causes containing in the solvent large quantity of moisture, dehydrates processing so the solvent recovery utilization must be passed through.
The drying of existing reaction dissolvent mostly is that molecular sieve is dropped in the solvent, then through stirring, reach dry the requirement after, through filtering centrifugation molecular sieve is separated.This drying device through the stirring separate mode comprises mixer, equipment such as centrifuge and filter.Utilize this device dry, because mixer stirs for a long time in dry run, cause molecular sieve broken, granule is suspended in the solvent, makes to be difficult to the solvent thickness separate, and molecular sieve also is difficult to regeneration; The dosage of molecular sieve is difficult to control in addition, adds to cause solvent not reach dry requirement very little, adds too much to cause the molecular sieve waste, produces more useless solid.
China's utility model patent [patent No. ZL00259893.0] discloses a kind of enclosed regeneration cycle dual bed molecular sieve drying dewater unit.This device is made up of enclosed regeneration cycle device, online water content display and three parts of two molecular sieve adsorbers at least; One end of wherein said molecular sieve adsorber is connected with enclosed regeneration cycle device through pipeline and constitutes closed cycle respectively, and the molecular sieve adsorber other end connects online water content display through pipeline.During this dewatering drying device work, compressed natural gas only carries out drying through one of them molecular sieve adsorber, and the molecular sieve in the another one molecular sieve adsorber is regenerated through enclosed regeneration cycle device.After the drying, satisfactory weather can directly be supplied with the user and use.If utilize this device to carry out dehydrating of solvent, can realize the regeneration of molecular sieve, but have following problem: because only through primary drying, so moisture separation drying effect is poor; In addition, can't make the degree of drying of solvent reach standard if the molecular sieve in the dual bed absorber reaches capacity the back and just can't cause the waste of solvent once more to solvent seasoning.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed the drying device that the alcohol ketone reaction dissolvent is cut down in a kind of dehydration capable of circulation, fluorine that dehydrating effect is good.
The purpose of the utility model can realize through following technical proposal: a kind of fluorine cuts down the drying device of alcohol ketone reaction dissolvent; Comprise agitated reactor; Described agitated reactor has the inlet pipe that supplies the solvent turnover and goes out pipe; It is characterized in that, the inlet pipe of described agitated reactor and go out between the pipe and be connected with membrane pump and several driers through pipe fitting, described several drier parallel connections be arranged on out between pipe and the membrane pump and can be respectively with go out pipe, membrane pump is communicated with; Described membrane pump is communicated with the inlet pipe of agitated reactor, also is connected with retracting device on described several driers.
The fluorine of the utility model cuts down the drying device of alcohol ketone reaction dissolvent; Solvent can enter in the agitated reactor from inlet pipe; Solvent in the agitated reactor enters in the drier after pipe flows out from going out; Drier carries out processed to solvent, and other solvent of process drier comes back to the dry link of agitated reactor entering dehydration cycle through the effect of membrane pump, meets the demands until solvent.The moisture of handling through drier finally is back in the retracting device.
Cut down in the drying device of alcohol ketone reaction dissolvent at above-mentioned a kind of fluorine, described drier comprise inner hollow housing, be arranged on molecular sieve and heating tube in the housing, housing is stretched out at the two ends of described heating tube.The moisture that flows into the solvent in the drier is by molecular sieve adsorption, and dried solvent flows out drier.After being heated into steam through heating tube, water in the molecular sieve and the solvent that is adsorbed on a small quantity discharge.
Cut down in the drying device of alcohol ketone reaction dissolvent at above-mentioned a kind of fluorine, described heating tube is shape in the shape of a spiral.Spiral helicine heating tube helps fully contacting with molecular sieve, guarantees that molecular sieve is heated evenly, makes the moisture ability rapid evaporation in the molecular sieve.
Cut down in the drying device of alcohol ketone reaction dissolvent at above-mentioned a kind of fluorine, be provided with filter screen in the described housing, described filter screen is arranged on and is connected this end with membrane pump.When solvent flowed out drier, molecular sieve received power outward, through filter screen is set, had avoided molecular sieve to outbound flow on the one hand, caused the molecular sieve waste, avoided pipeline blocked on the other hand.
Cut down in the drying device of alcohol ketone reaction dissolvent at above-mentioned a kind of fluorine, described go out to be provided with between pipe and several driers can use several valves that Guan Yuyi drier or a plurality of drier are communicated with respectively.
Cut down in the drying device of alcohol ketone reaction dissolvent at above-mentioned a kind of fluorine, be provided with several valves that a drier or a plurality of drier are communicated with membrane pump simultaneously between described several driers and the membrane pump.
Input and output through at drier are provided with valve, make drier singlely to use, and also can several use simultaneously.
Cut down in the drying device of alcohol ketone reaction dissolvent at above-mentioned a kind of fluorine, described retracting device comprises the recovery assembly of some groups of polyphones, is provided with vavuum pump between described two groups of recovery assemblies.Vavuum pump is set makes moisture enter into another group recovery assembly fast from last group of recovery assembly; And in drier regenerating molecular sieve when heating; Make to be in vacuum state in the drier, reduced the boiling point of moisture, be easy to steamed; Reclaim assembly and be provided with some groups, it is more complete to make that aqueous solvent reclaims.
Cut down in the drying device of alcohol ketone reaction dissolvent at above-mentioned a kind of fluorine, described recovery assembly comprises condenser and recovery basin, and described condenser is connected on the drier, and described recovery basin is connected on the condenser.Enter into condenser through the water vapour that forms after the heating tube heating and change into water, and be back in the recovery basin.
Compared with prior art, a kind of fluorine of the utility model drying device of cutting down the alcohol ketone reaction dissolvent has the following advantages:
1, the parallel connection of several driers is provided with, makes if drier can carry out drying individually or simultaneously, can regenerate to the molecular sieve in the drier individually or simultaneously, this is provided with selects flexibly, easy to use and operating efficiency is higher;
2, in the drier filter screen is set, has avoided molecular sieve to outbound flow, cause the molecular sieve waste, can prevent that pipe fitting is blocked simultaneously;
3, the circulation mode of heating that passes through feeding high temperature oil in heating tube reaches the purpose that molecular sieve is recycled with solvent in the molecular sieve and water evaporates, has both practiced thrift cost, also having reduced useless solid the pollution, also makes the dry run of solvent operate simpler.
Description of drawings
Fig. 1 is the structural representation that a kind of fluorine of the utility model cuts down the drying device of alcohol ketone reaction dissolvent.
Among the figure, 1, agitated reactor; 11, inlet pipe; 12, go out pipe; 13, shaft; 14, motor; 2a, high-moisture drier; 2b, low moisture drier; 21, housing; 21a, inlet; 21b, liquid outlet; 21c, exhaust outlet; 22, molecular sieve; 23, heating tube; 24, filter screen; 3, membrane pump; 4, reclaim basin; 5, condenser; 6, vavuum pump; 7, material inlet; 101, valve A; 102, valve B; 103, valve C; 104, valve D; 105, valve E; 106, valve F; 107, valve H; 108, valve J; 109, valve K.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
As shown in Figure 1, the fluorine of the utility model cuts down the drying device of alcohol ketone reaction dissolvent, comprises agitated reactor 1, membrane pump 3, several driers, retracting device, pipe fitting and material inlet 7.
Have the inlet pipe 11 that supplies the solvent turnover on the agitated reactor 1 cylindraceous and go out pipe 12, inlet pipe 11 is positioned at the top of pipe 12, in agitated reactor 1, is provided with shaft 13, and the upper end of shaft 13 is stretched out agitated reactor 1 and is connected on the motor 14.
Drier comprise inner hollow housing 21, be arranged on molecular sieve 22, heating tube 23, filter screen 24 in the housing 21.Housing 21 is provided with inlet 21a, liquid outlet 21b and exhaust outlet 21c, and inlet 21a and exhaust outlet 21c are arranged on the upper end of drier, and liquid outlet 21b is arranged on the lower end of drier; Filter screen 24 is arranged on this end of liquid outlet 21b; Heating tube 23 is the double helix shape and is arranged in the housing 21; And be arranged between inlet 21a and the filter screen 24; Housing 21 is stretched out at the two ends of heating tube 23, and the utility model adds thermal medium through feeding in heating tube 23 and heats, and adds thermal medium and can be high temperature oil, gas etc.; Molecular sieve 22 is filled in the housing 21 and is positioned at heating tube 23 outsides.The heating tube 23 of double helix shape structure helps fully contacting with molecular sieve 22, guarantees that molecular sieve 22 is heated evenly, makes the moisture ability rapid evaporation in the molecular sieve 22.
Retracting device comprises the recovery assembly of some groups of polyphones, provides two groups in the present embodiment and reclaims assembly, and between two groups of recovery assemblies, be provided with vavuum pump 6.Reclaiming assembly comprises condenser 5 and reclaims basin 4; Condenser 5 is an ordinary construction; Have cooling coagulate medium channel that medium passes through and water supply steam through and be condensed into the condensation channel of water; One end of condensation channel is connected through pipe fitting on the exhaust outlet 21c of two driers, and the other end is connected to through pipe fitting and reclaims on the basin 4, and the recovery basin 4 of group recovery assembly and back group reclaimed between the condenser 5 of assembly before vavuum pump 6 was connected.
What the drier of the utility model, material inlet 7, membrane pump 3 were successively set on agitated reactor 1 goes out pipe 12 to the pipe fitting between the inlet pipe 11.Drier in the utility model can be the identical drier of a plurality of adsorption moisture abilities, also can be the different drier of a plurality of adsorption moisture abilities.What provide in the present embodiment is two driers that the adsorption moisture ability is different, as shown in Figure 1, is respectively high-moisture drier 2a and low moisture drier 2b, and these two driers are connected in parallel on going out between pipe 12 and the membrane pump 3 of agitated reactor 1 through pipe fitting.Between the feed tube that goes out 12 and two driers of pipe of agitated reactor 1, be provided with valve B102, valve C103, valve D104; What valve B102 was arranged on agitated reactor 1 goes out pipe 12 places; Valve C103 and valve D104 parallel connection are provided with; And valve C103 is arranged between the inlet 21a and valve B102 of high-moisture drier 2a, and valve D104 is arranged between the inlet 21a and valve B102 of low moisture drier 2b.Liquid outlet 21b place at high-moisture drier 2a is provided with valve J108, be provided with valve F106 at the liquid outlet 21b place of low moisture drier 2b, and valve F106 is parallelly connected with valve J108; 7 places are provided with valve K109 at material inlet; On the pipe fitting between the inlet pipe 11 of membrane pump 3 and agitated reactor 1, be provided with valve A101.Exhaust outlet 21c place at high-moisture drier 2a is provided with valve H107, be provided with valve E105 at the exhaust outlet 21c place of low moisture drier 2b, and valve E105 is parallelly connected with valve H107.
Operation principle: open valve K109, half-open valve A101; Standard-sized sheet valve A101 after pressure rises; Through the effect of membrane pump 3, mixed solvent enters in the agitated reactor 1 from material inlet 7, and stirs through shaft 13; When solvent to be mixed reaches certain amount in agitated reactor 1, valve-off K109; Open valve B102, valve C103, valve J108 again; Solvent enters in the high-moisture drier 2a from the pipe 12 that goes out of agitated reactor 1; Part moisture in the solvent is by molecular sieve 22 absorption, and other solvent is got back to the process of carrying out dehydration cycle in the agitated reactor 1 from the liquid outlet 21b of drier again; At this moment, valve D104, valve F106 close.Because in drier, be provided with filter screen 24, so when solvent flowed out drier, molecular sieve 22 can not flow out drier, can not cause pipeline blocked simultaneously yet.When mixed solvent moisture drops to a rated value when following; Open valve D104, valve F106; Valve-off C103, valve J108, mixed solvent begin the cyclic drying through low moisture drier 2b, when solvent water reaches requirement; Close all valves and membrane pump 3, accomplish the process that dehydrates of solvent.
When molecular sieve 22 reaches capacity in the drier of the utility model; Through in heating tube 23, feeding high temperature oil molecular sieve 22 is regenerated; Reach the purpose of using repeatedly, concrete is: when high-moisture drier 2a works, because valve D104 and valve F106 close; Open valve E105, vavuum pump 6 this moment; And in the heating tube 23 of low moisture drier 2b, feed high temperature oil, and the water in the molecular sieve 22 are heated to form steam and are passed into and change into liquid water in the condenser 5 and be transported to and reclaim in the basin 4, and the water vapour that is not condensed continues to be passed into and changes into water in another condenser 5 and be recovered to second and reclaim in the basin 4.When low moisture drier 2b works; Because valve C103 and valve J108 close; Open valve H107, vavuum pump 6 this moment; And in the heating tube 23 of low moisture drier 2b, feed high temperature oil, and the water in the molecular sieve 22 are heated to form steam and are passed into and change into liquid water in the condenser 5 and be transported to and reclaim in the basin 4, and the water vapour that is not condensed continues to be passed into and changes into water in another condenser 5 and be recovered to second and reclaim in the basin 4.The working method of this regeneration does not influence the drying of mixed solvent, can effectively increase work efficiency.Certainly, also can wait until dry the end after, open valve E105 simultaneously, valve H107 regenerates to the molecular sieve 22 in two driers simultaneously.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used agitated reactor 1, inlet pipe 11, has gone out pipe 12, shaft 13, motor 14, high-moisture drier 2a morely; Low moisture drier 2b; Terms such as housing 21, inlet 21a, liquid outlet 21b, exhaust outlet 21c, molecular sieve 22, heating tube 23, filter screen 24, membrane pump 3, recovery basin 4, condenser 5, vavuum pump 6, material inlet 7, vavuum pump 6, valve A101, valve B102, valve C103, valve D104, valve E105, valve F106, valve H107, valve J108, valve K109, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (8)
1. a fluorine cuts down the drying device of alcohol ketone reaction dissolvent; Comprise agitated reactor (1); Described agitated reactor (1) has the inlet pipe (11) that supplies the solvent turnover and goes out pipe (12); It is characterized in that, the inlet pipe (11) of described agitated reactor (1) and go out between the pipe (12) and be connected with membrane pump (3) and several driers through pipe fitting, described several drier parallel connections be arranged on out between pipe (12) and the membrane pump (3) and can be respectively with go out to manage (12), membrane pump (3) is communicated with; Described membrane pump (3) is communicated with the inlet pipe (11) of agitated reactor (1), also is connected with retracting device on described several driers.
2. fluorine according to claim 1 cuts down the drying device of alcohol ketone reaction dissolvent; It is characterized in that; Described drier comprise inner hollow housing (21), be arranged on molecular sieve (22) and heating tube (23) in the housing (21), housing (21) is stretched out at the two ends of described heating tube (23).
3. fluorine according to claim 2 cuts down the drying device of alcohol ketone reaction dissolvent, it is characterized in that, described heating tube (23) is shape in the shape of a spiral.
4. fluorine according to claim 2 cuts down the drying device of alcohol ketone reaction dissolvent, it is characterized in that, is provided with filter screen (24) in the described housing (21), and described filter screen (24) is arranged on membrane pump (3) and is connected this end.
5. cut down the drying device of alcohol ketone reaction dissolvent according to claim 1 or 2 or 3 or 4 described fluorine; It is characterized in that, described go out to be provided with between pipe (12) and several driers can use several valves that pipe (12) is communicated with a drier or a plurality of drier respectively.
6. cut down the drying device of alcohol ketone reaction dissolvent according to claim 1 or 2 or 3 or 4 described fluorine; It is characterized in that, be provided with several valves that a drier or a plurality of drier are communicated with heat insulation pump simultaneously between described several driers and the membrane pump (3).
7. cut down the drying device of alcohol ketone reaction dissolvent according to claim 1 or 2 or 3 or 4 described fluorine, it is characterized in that described retracting device comprises the recovery assemblies of some groups of polyphones, described two groups are reclaimed between the assemblies and are provided with vavuum pump (6).
8. fluorine according to claim 7 cuts down the drying device of alcohol ketone reaction dissolvent; It is characterized in that; Described recovery assembly comprises condenser (5) and recovery basin (4), and described condenser (5) is connected on the drier, and described recovery basin (4) is connected on the condenser (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203385671U CN202224164U (en) | 2011-09-09 | 2011-09-09 | Drying device for fluvastatin alcohol ketone reaction solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203385671U CN202224164U (en) | 2011-09-09 | 2011-09-09 | Drying device for fluvastatin alcohol ketone reaction solvent |
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| Publication Number | Publication Date |
|---|---|
| CN202224164U true CN202224164U (en) | 2012-05-23 |
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ID=46074773
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203385671U Expired - Lifetime CN202224164U (en) | 2011-09-09 | 2011-09-09 | Drying device for fluvastatin alcohol ketone reaction solvent |
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| Country | Link |
|---|---|
| CN (1) | CN202224164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588663A (en) * | 2022-03-18 | 2022-06-07 | 杭州富程气体设备有限公司 | Organic solvent deep dehydration device |
-
2011
- 2011-09-09 CN CN2011203385671U patent/CN202224164U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588663A (en) * | 2022-03-18 | 2022-06-07 | 杭州富程气体设备有限公司 | Organic solvent deep dehydration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU BAJU PHARMACEUTICAL CO., LTD. Free format text: FORMER OWNER: TAIZHOU ZHIQING CHEMICAL CO., LTD. Effective date: 20140130 |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 318000 TAIZHOU, ZHEJIANG PROVINCE TO: 224555 YANCHENG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140130 Address after: 224555 coastal chemical industry zone of Jiangsu Province Patentee after: Jiangsu Baju Pharmaceutical Co., Ltd. Address before: 318000 rock head development zone, Jiaojiang District, Zhejiang, Taizhou Patentee before: Taizhou Zhiqing Chemical Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
|
| CX01 | Expiry of patent term |