CN102382004A - Decolorization pre-treatment system and decolorization pre-treatment method of acetaminophen - Google Patents
Decolorization pre-treatment system and decolorization pre-treatment method of acetaminophen Download PDFInfo
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- CN102382004A CN102382004A CN2011102386224A CN201110238622A CN102382004A CN 102382004 A CN102382004 A CN 102382004A CN 2011102386224 A CN2011102386224 A CN 2011102386224A CN 201110238622 A CN201110238622 A CN 201110238622A CN 102382004 A CN102382004 A CN 102382004A
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- paracetamol
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Abstract
The invention provides a decolorization pre-treatment system of acetaminophen and a decolorization pre-treatment method of the acetaminophen. The decolorization pre-treatment system comprises a material conveying device and a beating tank, wherein crude acetaminophen obtained by centrifugally separating a material obtained by acylation crystallization is conveyed to the beating tank by the material conveying device in a closed environment, and the crude acetaminophen and water are beat by the beating tank; a mixture containing the crude acetaminophen and the water which are beat by the beating tank is conveyed to a subsequent decolorization tank by a closed pipeline to be subjected to decolorization treatment. Through the decolorization pre-treatment system provided by the invention, the requirements of clean production are met, the cross contamination is avoided, and the requirements of the various cGMP (Current Good Manufacture Practices) certification are met; the decolorization effect of decolorization treatment is improved, the production schedule is accelerated, and the product quality is improved.
Description
Technical field
The present invention relates to treatment system and treatment process in a kind of PARACETAMOL BP98 production process, particularly a kind of decolouring preprocessing system and decolouring pre-treating process that carries out the decolouring pre-treatment of PARACETAMOL BP98.
Background technology
In the production process of present PARACETAMOL BP98, after acidylate crystalline material separates through whizzer, the mother liquor recycling, the solid materials placement of weighing in the sack of all packing into, calculated weight after, drop into bleacher again and decolour.
We are referred to as the pre-treatment of decolouring to one section processing the entering bleacher after solid materials leaves whizzer, and the relevant device that relates in this section processing is commonly referred to as the decolouring preprocessing system.
According to present production technique, in this decolouring pre-treatment process, above-mentioned scene of weighing often is that stain is heavy; Disorderly and unsystematic; PARACETAMOL BP98 bullion as solid materials does not carry out relevant art breading in airtight environment, receive crossed contamination easily, can not reach the requirement of cleaner production; Be difficult to meet the requirement of various cGMP (abbreviation of Current Good Manufacture Practices, promptly dynamic pharmaceutical production management regulation) authentication.
And it is also poor simply the PARACETAMOL BP98 bullion that measures to be dropped into the decolour decolorizing effect handled of bleacher; In order to improve the consumption, kind etc. that decolorizing effect is had to prolong the decolouring treatment time or adjusted active carbon for decolorization; Bring corresponding trouble for follow-up technology, cause production schedule poor thus.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned decolouring pre-treatment process, realize the requirement of cleaner production, avoid crossed contamination, satisfy the requirement of various cGMP authentications.
A purpose more of the present invention is to improve the decolorizing effect that decolouring is handled through the improvement of decolouring pre-treating technology, and enhance production progress is improved the quality of products.
For this reason, the present invention provides a kind of PARACETAMOL BP98 decolouring preprocessing system, and this system comprises: the material transporter; With the making beating jar; Wherein said material transporter will carry out being obtained after the spinning to the material that the acidylate crystallization obtains PARACETAMOL BP98 bullion is delivered to said making beating jar under enclosed environment; Said making beating jar is pulled an oar said PARACETAMOL BP98 bullion and water, is delivered to the processing of decolouring in the subsequent decolorization jar through closed conduct at a said making beating jar mixture that contains PARACETAMOL BP98 bullion and water of accomplishing after pulling an oar.
In foregoing invention, preferred: said material transporter is selected from the endless belt conveyor of auger, band seal bootr, the shaker conveyer of band seal bootr, the conveying skewed slot of band seal bootr.
In foregoing invention, preferred: also comprise airtight feed bin (20), the PARACETAMOL BP98 bullion that is obtained after the spinning at first is sealed discharging to said feed bin (20), is sealed through said feed bin (20) then and is transported to said material transporter (30).
In foregoing invention, preferred: said making beating jar (40) is installed on the weight sensor.
In foregoing invention, preferred: said water is the water that before said PARACETAMOL BP98 bullion is transferred, is added to the steam condensate in the said making beating jar (40) or is heated to 60~80 ℃.
In foregoing invention, preferred: as said mixture to be transported to said bleacher through closed conduit through input pressurized gas in said making beating jar.
The present invention also provides a kind of decolouring pre-treating process of PARACETAMOL BP98, and this method comprises: the PARACETAMOL BP98 bullion that will carry out being obtained after the spinning to the material that the acidylate crystallization obtains is delivered to first of making beating jar and carries operation under enclosed environment; The pulping process that utilizes said making beating jar that PARACETAMOL BP98 bullion and water are pulled an oar; With will pull an oar after PARACETAMOL BP98 bullion and water mixture through closed conduct be delivered to decolour in the subsequent decolorization jar handle second carry operation.
In foregoing invention, preferred: said first carries operation to carry out the custody transfer of said PARACETAMOL BP98 bullion through the arbitrary equipment in the conveying skewed slot of the endless belt conveyor of auger, band seal bootr, the shaker conveyer of being with seal bootr and band seal bootr.
In foregoing invention, preferred: said first carries operation also to comprise the at first airtight discharging of said PARACETAMOL BP98 bullion to airtight feed bin, is sealed the operation that is transported to said arbitrary equipment from said feed bin then.
In foregoing invention, preferred: said making beating jar is installed on the sensor for weighing.
In foregoing invention, preferred: said water is the water that before said PARACETAMOL BP98 bullion is transferred, is added to the steam condensate in the said making beating jar (40) or is heated to 60~80 ℃.
In foregoing invention, preferred: as in the said second conveying operation, said mixture to be sent to said bleacher through closed conduit through input pressurized gas in said making beating jar.
The invention effect
In according to PARACETAMOL BP98 decolouring preprocessing system of the present invention and pre-treating process; Can realize closed processing from leaving whizzer to the whole pre-treatment process before getting into bleacher at solid materials; Avoided crossed contamination; And through the making beating jar in a stirring improved decolorizing effect, enhance production progress.And all equipment all can be controlled through robotization and operate, and has therefore practiced thrift manual work, has reduced working strength of workers.
Description of drawings
Fig. 1 is the formation synoptic diagram of PARACETAMOL BP98 decolouring preprocessing system of the present invention.
Nomenclature:
10 whizzers; 20 feed bins; 30 augers; 40 making beating jars;
41 solid material inlet; 42 slurry outlets; 43 water inlets; 44 pressurized gass inlet;
21,45 whisking appliances; 50 bleachers; 60 external water sources;
70 external compression gas sources; 1020,2030,3040,4050 connecting tubes.
Embodiment
Explain according to acetyl aminophenol decolouring preprocessing system of the present invention and decolouring pre-treating process below in conjunction with accompanying drawing.
The acetyl aminophenol decolouring preprocessing system of the most preferred embodiment according to the present invention at first is described.
Fig. 1 is the signal pie graph of the acetyl aminophenol decolouring preprocessing system of the most preferred embodiment according to the present invention.
As shown in Figure 1, PARACETAMOL BP98 decolouring preprocessing system according to the present invention comprises: feed bin 20, and the feeding mouth of feed bin 20 is connected in the discharge port of whizzer 10; Auger 30, the feeding mouth of auger 30 is connected in the discharge port of feed bin 20; With making beating jars 40, the pressurized gas that this making beating jars 40 is provided with the solid material inlet 41 of the making beating jar 40 that is connected with the discharge port of auger 30, the slurry outlet 42 of making beating jar 40, the water inlet 43 that is connected with external water source 60, be connected with external compression gas source 70 enters the mouth 44.In addition, the slurry outlet 42 of making beating jar 40 is connected to the pulp inlet of bleacher 50.
In PARACETAMOL BP98 decolouring preprocessing system according to the present invention; The volume of feed bin 20 can be adjusted according to the condition of production; Playing the effect of transit warehouse, thereby stopping in making beating jar, still can receiving the solid materials of exporting from whizzer 10 behind the conveying solid substance material.
In actual production, whether feed bin 20 is set can be decided according to the comparison between the capacity of the unit time load of whizzer 10 and auger 30.Such as; Begin to restart from auger 30 in making beating jar 40 in the for some time till the conveying solid substance material next time from auger 30 conveying solid substance material in making beating jars 40 stopping certainly; When iff just can receive during this period of time the solid materials from whizzer 10 outputs with auger 30; Just can cancel feed bin 20, directly will be delivered in the auger 30 from the solid materials of whizzer 10 as transit warehouse.
In PARACETAMOL BP98 decolouring preprocessing system according to the present invention,, whisking appliance 46 can be installed in feed bin 20 in order to make the solid materials in the feed bin 20 evenly successfully get in the auger 30 via the discharge port of feed bin 20 and the feeding mouth of auger 30.
In PARACETAMOL BP98 according to the present invention decolouring preprocessing system, auger 30 is used for transports particles or pulverulent material even little lumpy material.But as the device that transports material, auger 30 can be substituted by the endless belt conveyor of band seal bootr, the shaker conveyer of band seal bootr, the conveying skewed slot of band seal bootr, and at this moment, the device of these convey materials can be referred to as the material transporter.
Need to prove at this; Connecting tube 4050 between the pulp inlet of the connecting tube 3040 between the solid material inlet of the connecting tube 2030 between the feeding mouth of the connecting tube 1020 between the feeding mouth of the discharge port of whizzer 10 and feed bin 20, the discharge port of feed bin 20 and auger 30, the discharge port of auger 30 and making beating jar 40, the slurry outlet of making beating jar 40 and bleacher 50; All should be closed conduct, to guarantee that solid materials does not receive outside contamination from the logistics corridor that whizzer 10 comes out between the bleacher 50.
In addition, for the ease of flowing of control material, on above-mentioned connecting tube 1020, connecting tube 2030, connecting tube 3040, connecting tube 4050, valve can be set respectively, with the break-make of the Flow of Goods and Materials in the control corresponding pipeline.Certainly, valve is arranged in the middle of the pipeline or pipe end, belongs to the common practise of this area, repeats no more at this.
In addition; Connecting tube 1020 respectively with the feeding mouth of the discharge port of whizzer 10 and feed bin 20 between be connected and can seal; Connecting tube 2030 respectively with the feeding mouth of the discharge port of feed bin 20 and auger 30 between be connected and can seal; Connecting tube 3040 respectively with the solid material inlet of the discharge port of auger 30 and making beating jars 40 between be connected and can seal, connecting tube 4050 respectively with the pulp inlet of the slurry outlet of making beating jar 40 and bleacher 50 between be connected and can seal.
In PARACETAMOL BP98 decolouring preprocessing system according to the present invention, making beating jar 40 also can be provided with whisking appliance 45 within it.
In PARACETAMOL BP98 decolouring preprocessing system according to the present invention, external water source can be water source from the beginning.In alternate embodiment, consider that the difference in solubility of PARACETAMOL BP98 bullion in hot water and cold water is big, external water source can be the thermal water source, the temperature of the hot water that the thermal water source provides for example can be 60~80 ℃.In alternate embodiment, external water source can be the vapor condensation water source.Steam condensate in the vapor condensation water source; Refer to the water of condensation (claiming also in the industry that sometimes it is an exhaust steam water) of the tail gas of steam-pipe; Because the temperature of steam condensate often can reach 80 ℃; Just need not reheat when using like this, thereby utilize the heat in the steam condensate to reach purpose of energy saving.This water of condensation is at first collected in the storage tank, is transported in the making beating jar through handling equipments such as pumps when to be used.
In addition; Though adopted the technology that before solid materials joins the making beating jar, just has been added to steam condensate in the making beating jar in the above-mentioned explanation; But in general, solid materials and steam condensate add also passable simultaneously, even adding earlier solid materials, to add steam condensate more also passable; Specifically how to decide according to practical condition, as the same for hot water even cold water.
For the ease of weighing, weight sensor (figure do not show) can be set, weight sensor is positioned at below the making beating jars 40, so that making beating jars 40 is seated on the weight sensor, thus the weight change through weight sensor sensing making beating jars 40, with the discharging of control auger 30.In actual production, making beating jars 40 generally is provided with a plurality of journal stirrups such as consider to be provided with four (figure does not show) from the equilibrated angle in the bottom, can a weight sensor be set at each journal stirrup.Certainly can adapt to shape, especially the bottom shape structure of making beating jars 40 for the layout of weight sensor and quantity and change (when being hoisting structure such as making beating jars 40; Can transmitter be installed to the stressed place of hoisting structure, can play the effect that is transported to making beating jar interior solid materials amount of measuring equally).
In according to PARACETAMOL BP98 decolouring pre-treating process of the present invention, the solid materials that enters into making beating jar 40 can be measured weight through weight sensor.Certainly consider water that the water inlet that is connected with external water source 60 43 gets into can be before solid materials gets into making beating jars 40, among or carry out afterwards; Water all adds fashionablely when get into making beating jars 40 at solid materials before, can adopt weight sensor to come the weight of measure solid material separately; If water did not all add before solid materials got into making beating jar 40, a gauge that is used for measuring the water yield is set between water source 60 and the water inlet 43 externally.The solid materials amount that gets into the making beating jar so just can calculate through the take off data of weight sensor and the take off data of gauge.
In addition, all seal bootr can be set,, avoid the crossed contamination that comes from the outside to be isolated from the outside for feed bin 20, making beating jar 40, bleacher 50.
Secondly, with reference to Fig. 1, the PARACETAMOL BP98 decolouring pre-treating process of most preferred embodiment of the present invention is explained as follows.
In whizzer 10, acidylate crystalline material (being the mixture of mother liquor and PARACETAMOL BP98 bullion) is carried out spinning, obtain solid materials (being the PARACETAMOL BP98 bullion) and mother liquor, wherein mother liquor is discharged from recycling.
Above-mentioned solid materials enters into feed bin 20 via connecting tube 1020; Solid materials in the feed bin 20 enters into auger 30 via connecting tube 2030; Auger 30 is started working and is made solid materials in auger 30, move to the discharge port of auger 30; Get into through connecting tube 3040 in the making beating jars 40 from the solid materials that the discharge port of auger 30 comes out; When the solid materials that enters into making beating jars 40 reaches a certain amount of (deciding with reference to the solubleness of PARACETAMOL BP98 bullion at water), stop the feeding of auger 30 to making beating jars 40, can stop according to circumstances or continue as for the feeding of 20 pairs of augers 30 of feed bin.
Be delivered into making beating jar 40 beginnings from solid materials; Just open the stirring (i.e. making beating) of the whisking appliance 45 in the making beating jar 40; The stirring of utilization making beating jar 40 will be added to steam condensate and the solid materials mixing in the making beating jar 40; After auger 40 stopped feeding, general restir for some time was such as 10 minutes, until stirring into congee shape slurry; After stopping to stir; Pressurized gas inlet 44 via being connected with the external compression gas source feeds pressurized gas; Open the connecting tube 4050 between the pulp inlet of slurry outlet 42 and bleacher 50 of making beating jars 40, slurry is sent in the bleacher 50 from making beating jars 40 via pressurized gas.
In according to PARACETAMOL BP98 of the present invention decolouring pre-treating process, the whisking appliance in the making beating jars 40 can also can be restarted when charging joins to a certain degree in startup when having solid materials to join in the making beating jars 40, specifically looks the condition of production and decides.
In according to PARACETAMOL BP98 decolouring pre-treating process of the present invention, joining making beating jar 40 interior water yields is to account for 25%~33% of whole making beating tank volume.In one embodiment, the water yield is 2000-2500L, and solid materials is 1550-1850KG.
Comprehensively above-mentioned; In according to PARACETAMOL BP98 decolouring preprocessing system of the present invention and pre-treating process; Can realize closed production from leaving whizzer 10 to the whole pre-treatment process before getting into bleacher 50 at solid materials, material is not exposed in the atmosphere, has realized cleaner production; Avoid crossed contamination, met the requirement of domestic and international various cGMP authentications.
In according to PARACETAMOL BP98 decolouring preprocessing system of the present invention and pre-treating process; Before the entering bleacher decolours processing; Because the PARACETAMOL BP98 bullion is stirred into the congee shape through the making beating jar; So increased the contact area of bullion material and active carbon for decolorization in the subsequent decolorization treating processes, can improve decolorizing effect, enhance production progress thus.
In addition; In according to PARACETAMOL BP98 decolouring preprocessing system of the present invention and pre-treating process; At solid materials from leave the whole pre-treatment process of whizzer 10 before get into bleacher 50; Involved equipment all can be controlled through robotization and operate, and has therefore practiced thrift manual work, has reduced working strength of workers.
Claims (10)
1. the decolouring preprocessing system of a PARACETAMOL BP98 is characterized in that, this system comprises:
The material transporter; With
Making beating jar (40),
Wherein, said material transporter will carry out being obtained after the spinning to the material that the acidylate crystallization obtains PARACETAMOL BP98 bullion is delivered to said making beating jar (40) under enclosed environment,
Said making beating jar is pulled an oar said PARACETAMOL BP98 bullion and water,
The mixture that contains PARACETAMOL BP98 bullion and water after making beating is accomplished in said making beating jar (40) is delivered to the processing of decolouring in the subsequent decolorization jar (50) through closed conduct.
2. the decolouring preprocessing system of PARACETAMOL BP98 as claimed in claim 1 is characterized in that:
Said material transporter is selected from the endless belt conveyor of auger, band seal bootr, the shaker conveyer of band seal bootr, the conveying skewed slot of band seal bootr, is provided with the whisking appliance of making beating usefulness in the said making beating jar.
3. the decolouring preprocessing system of PARACETAMOL BP98 as claimed in claim 1 is characterized in that:
Also comprise airtight feed bin (20), the PARACETAMOL BP98 bullion that is obtained after the spinning at first is sealed discharging to said feed bin (20), is sealed through said feed bin (20) then and is transported to said material transporter (30).
4. the decolouring preprocessing system of PARACETAMOL BP98 as claimed in claim 1 is characterized in that:
Said making beating jar (40) is installed on the weight sensor.
5. the decolouring preprocessing system of PARACETAMOL BP98 as claimed in claim 1 is characterized in that:
Said water is the water that before said PARACETAMOL BP98 bullion is transferred, is added to the steam condensate in the said making beating jar (40) or is heated to 60~80 ℃;
Through input pressurized gas in said making beating jar said mixture is sent to said bleacher through closed conduit.
6. the decolouring pre-treating process of a PARACETAMOL BP98 is characterized in that, this method comprises:
The PARACETAMOL BP98 bullion that will carry out being obtained after the spinning to the material that the acidylate crystallization obtains is delivered to first of making beating jar (40) and carries operation under enclosed environment;
The pulping process that utilizes said making beating jar (40) that PARACETAMOL BP98 bullion and water are pulled an oar; With
The mixture of PARACETAMOL BP98 bullion after the making beating and water is delivered to the second conveying operation of decolouring in the subsequent decolorization jar (50) and handling through closed conduct.
7. the decolouring pre-treating process of PARACETAMOL BP98 as claimed in claim 6 is characterized in that:
Said first carries operation to carry out the custody transfer of said PARACETAMOL BP98 bullion through the arbitrary equipment in the conveying skewed slot of the endless belt conveyor of auger (30), band seal bootr, the shaker conveyer of being with seal bootr and band seal bootr.
8. the decolouring pre-treating process of PARACETAMOL BP98 as claimed in claim 7 is characterized in that:
Said first carries operation also to comprise the at first airtight discharging of said PARACETAMOL BP98 bullion to airtight feed bin (20), is sealed the operation that is transported to said arbitrary equipment from said feed bin (20) then.
9. the decolouring pre-treating process of PARACETAMOL BP98 as claimed in claim 6 is characterized in that:
Said making beating jar (40) is installed on the sensor for weighing.
10. the decolouring pre-treating process of PARACETAMOL BP98 as claimed in claim 6 is characterized in that:
Said water is the water that before said PARACETAMOL BP98 bullion is transferred, is added to the steam condensate in the said making beating jar (40) or is heated to 60~80 ℃,
In the said second conveying operation, said mixture is sent to said bleacher through closed conduit through input pressurized gas in said making beating jar.
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CN201110238622.4A CN102382004B (en) | 2011-08-19 | 2011-08-19 | Decolorization pre-treatment system and decolorization pre-treatment method of acetaminophen |
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CN201110238622.4A CN102382004B (en) | 2011-08-19 | 2011-08-19 | Decolorization pre-treatment system and decolorization pre-treatment method of acetaminophen |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102911076A (en) * | 2012-11-07 | 2013-02-06 | 河北冀衡(集团)药业有限公司 | Processing device and processing method for refined acetaminophen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1061023A (en) * | 1990-11-01 | 1992-05-13 | 赫希斯特人造丝公司 | Improved process for purifying acetaminophen |
CN201249051Y (en) * | 2008-08-29 | 2009-06-03 | 安丘市鲁安药业有限责任公司 | Decoloration filtering device in a process for preparing paracetamol |
CN202148270U (en) * | 2011-08-19 | 2012-02-22 | 河北冀衡(集团)药业有限公司 | Decoloration pretreatment system for paracetamol |
-
2011
- 2011-08-19 CN CN201110238622.4A patent/CN102382004B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1061023A (en) * | 1990-11-01 | 1992-05-13 | 赫希斯特人造丝公司 | Improved process for purifying acetaminophen |
CN201249051Y (en) * | 2008-08-29 | 2009-06-03 | 安丘市鲁安药业有限责任公司 | Decoloration filtering device in a process for preparing paracetamol |
CN202148270U (en) * | 2011-08-19 | 2012-02-22 | 河北冀衡(集团)药业有限公司 | Decoloration pretreatment system for paracetamol |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102911076A (en) * | 2012-11-07 | 2013-02-06 | 河北冀衡(集团)药业有限公司 | Processing device and processing method for refined acetaminophen |
CN102911076B (en) * | 2012-11-07 | 2015-09-02 | 河北冀衡(集团)药业有限公司 | Treatment unit after acetparaminosalol phenol treating and treatment process thereof |
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CN102382004B (en) | 2015-03-25 |
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Address after: 053000 No.1, Weiwu street, high tech Zone, Hengshui City, Hebei Province Patentee after: Hebei Jiheng Pharmaceutical Co.,Ltd. Address before: 053000 No.368 Jianshe North Street, Hengshui City, Hebei Province Patentee before: HEBEI JIHENG (Group) PHARMACEUTICAL Co.,Ltd. |