CN108380350A - The closed cycle drug processing technology and device of no isopropanol discharge - Google Patents
The closed cycle drug processing technology and device of no isopropanol discharge Download PDFInfo
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- CN108380350A CN108380350A CN201810126164.7A CN201810126164A CN108380350A CN 108380350 A CN108380350 A CN 108380350A CN 201810126164 A CN201810126164 A CN 201810126164A CN 108380350 A CN108380350 A CN 108380350A
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- isopropanol
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The present invention provides the closed cycle drug processing technologys and device of a kind of discharge of no isopropanol.Enclosed dosage unit, air-flow crushing unit, stage unit, closed dedusting collector unit, presser unit and the condensing unit that described device includes inert gas feed unit, is linked in sequence by pipeline.Dosage unit is connect with inert gas feed unit so that drug (such as pesticide) powder containing isopropanol can be in atmosphere of inert gases；Inert gas is formed air-flow to crush medicament powder by pulverizing unit；Stage unit is classified pulverized medicament powder by grain size；Collector unit is dusted and collects to the medicament powder for meeting granularity requirements, obtains medicament powder product and the mixed gas containing isopropanol；Presser unit pressurizes to mixed gas；Condensing unit condenses pressurized mixed gas, obtains isopropanol liquid and recyclegas, and recyclegas is delivered to pulverizing unit.The present invention can form the circulatory system of isolation air, condensation saving energy consumption after safely controllable and pressurization.
Description
Technical field
The present invention relates to pharmaceutical processing techniques and equipment technology fields, it relates in particular to which one kind can be containing isopropanol
Drug process in control isopropanol discharge closed cycle drug processing technology and device.
Background technology
China's drug (for example, pesticide) market development is rapid, and good developing state is totally presented in industry, has evolved into complete
The second largest drug producing country of ball, 2012, yield was up to 354.9 ten thousand tons for Chemistry In China drug active compound (folding active ingredient 100%), together
Than increasing by 34.0%, important support is provided for agricultural production.
Isopropanol is important the drugs such as pesticide and one of processes raw material.Isopropanol flash-point is 12 DEG C, and lower explosion limit is
2%, there is inflammable and explosive property.The isopropanol gas that part evaporates is had during drug crushing and processing, becomes drug
The main hazard source that powder process generates.In addition, isopropanol gas has certain toxicity, it, cannot based on the requirement of environmental protection
It is unprocessed and discharge.
In addition, inventor has found：According to usual manner to being volatilized during the drug crushing and processing containing isopropanol
The isopropanol gas come is recycled, then since the isopropyl alcohol concentration in gas is relatively low, it is low often to there is efficiency, systematic running cost
With it is high the problems such as.
Invention content
It is an object of the invention to solve at least one in deficiencies of the prior art.
For example, how free from environmental pollution and safely process containing isopropyl alcohol component it is an object of the present invention to solving
The problem of drug (for example, pesticide containing isopropyl alcohol component).Another object of the present invention is to solve it is how free from environmental pollution,
The problem of processing the drug containing isopropyl alcohol component to safety and low energy consumption.
For example, an aspect of of the present present invention provides a kind of closed cycle drug processing technology of no isopropanol discharge.It is described
Closed cycle drug processing technology includes step：Enclosed feeding chamber is added in medicament powder containing isopropanol, is fed to enclosed
It is passed through inert gas in storehouse so that the medicament powder is in atmosphere of inert gases；To the drug in atmosphere of inert gases
Powder carries out air-flow crushing processing；To through air-flow crushing, treated that medicament powder carries out classification processing according to grain size；To meeting
The medicament powders of granularity requirements carries out closed dedusting and collection, obtains the medicament powder of targeted particle size and contains isopropanol and lazy
The mixed gas of property gas；Pressurized treatments, the mixed gas after being pressurizeed are carried out to the mixed gas；After the pressurization
Mixed gas carry out condensation process, obtain isopropanol liquid and recyclegas；The isopropanol liquid is collected, by the cycle
Gas is delivered to the power gas source that the air-flow crushing processing step is handled as the air-flow crushing.
In an exemplary embodiment of the closed cycle drug processing technology of the present invention, the classification processing step is also
It may include the medicament powder for not meeting granularity requirements being delivered to the air-flow crushing processing step.
In an exemplary embodiment of the closed cycle drug processing technology of the present invention, the closed cycle drug adds
Work technique may additionally include between the closed dedusting and collection step and the pressure treating steps, to the mixed gas
The step of carrying out topping up.In addition, the closed cycle drug processing technology can also further comprise described closed
Between the step of formula dedusting and collection step and the topping up, safe dust removal process is carried out to the mixed gas
Step.
In an exemplary embodiment of the closed cycle drug processing technology of the present invention, the gaseous mixture after the pressurization
The intensity of body can be 0.5~1.0MPa.
Another aspect provides a kind of closed cycle pharmaceutical process plants of no isopropanol discharge.The enclosed
It includes inert gas feed unit and the enclosed dosage unit being linked in sequence by pipeline, air-flow to recycle pharmaceutical process plant
Pulverizing unit, stage unit, closed dedusting collector unit, presser unit and condensing unit, wherein the enclosed dosage unit
The medicament powder containing isopropanol being added is received, and is connect so that drug powder with inert gas feed unit by the first pipeline
Body is in atmosphere of inert gases；The air-flow crushing unit is received from enclosed dosage unit in atmosphere of inert gases
Medicament powder, the inert gas that inert gas feed unit provides is received by the second pipeline, and the inert gas is formed
Air-flow crushes medicament powder；The stage unit is received from the air-flow crushing unit by the medicament powder of air-flow crushing, and
Classification processing can be carried out according to grain size；The closed dedusting collector unit meets granularity requirements from stage unit reception
Medicament powder, and closed dedusting and collection can be carried out, with obtain the medicament powder of targeted particle size and containing isopropanol and
The mixed gas of inert gas；The presser unit receives the mixed gas, and energy from the closed dedusting collector unit
It is enough that pressurized treatments are carried out to the mixed gas；The condensing unit is received from the presser unit and is condensed by pressurized treatments
Mixed gas, obtain isopropanol liquid and recyclegas, pass through third Pipeline transport to the air-flow crushing unit.
In an exemplary embodiment of the closed cycle pharmaceutical process plant of the present invention, the stage unit can also wrap
The medicament powder for not meeting granularity requirements can be delivered to the Loop Seal of the air-flow crushing unit by including.
In an exemplary embodiment of the closed cycle pharmaceutical process plant of the present invention, the closed cycle drug adds
Tooling sets the pipeline and inert gas feed unit that may also include between closed dedusting collector unit and presser unit
4th pipeline of connection, inert gas feed unit by the 4th pipeline can to will enter the mixed gas of presser unit into
Promoting the circulation of qi body supplements or pressure supplement.In addition, the closed cycle pharmaceutical process plant can also further comprise being arranged closed
Safe dust removing units after dedusting collector unit and before the 4th pipeline, the safe dust removing units can be to described mixed
It closes gas and carries out safe dedusting.For example, safe dust removing units can be used as spare deduster, the closed dedusting collector unit in front end is just
It is often not turned on, just starts when a failure occurs, suitable redundant safety facility when operation.
In an exemplary embodiment of the closed cycle pharmaceutical process plant of the present invention, the presser unit can will mix
The intensity for closing gas increases to 0.5~1.0MPa.
Compared with prior art, beneficial effects of the present invention include one or more in following aspect：
(1) entire drug (for example, pesticide) powder preparation process is in closed cycle under inert gas shielding, during which not to
Outer discharge gas, isopropanol gas can recycle in system, and because system has completely cut off air, whole process is safely controllable, is not easy to send out
The danger such as raw explosion；
(2) contain the pressurized rear condensation of isopropanol gas to collect, the refrigeration requirement of isopropanol gas can be substantially reduced, to
Greatly save energy consumption (for example, 90% or more energy consumption can be saved).
Description of the drawings
The description carried out by following accompanying drawings, above and other purpose of the invention and feature will become apparent,
Wherein：
Fig. 1 shows the closed cycle drug processing of the no isopropanol discharge of property embodiment according to an example of the present invention
The structural schematic diagram of device；
Fig. 2 shows the closed cycle drugs of the no isopropanol of another exemplary embodiment according to the present invention discharge to add
The structural schematic diagram that tooling is set；
Fig. 3 shows that the closed cycle drug of the no isopropanol discharge of another exemplary embodiment according to the present invention adds
The structural schematic diagram that tooling is set；
Fig. 4 shows the closed cycle drug processing of the no isopropanol discharge of property embodiment according to an example of the present invention
The flow diagram of technique.
The reference numerals are as follows：
The first pipelines of 1-, the second pipelines of 2-, 3- thirds pipeline, the 4th pipelines of 4-.
Specific implementation mode
Hereinafter, the enclosed that the no isopropanol that the present invention will be described in detail is discharged will be carried out in conjunction with exemplary embodiment and attached drawing
Recycle the closed cycle drug processing technology of pharmaceutical process plant and no isopropanol discharge.
Fig. 1 shows the closed cycle drug processing of the no isopropanol discharge of property embodiment according to an example of the present invention
The structural schematic diagram of device.
As shown in Figure 1, in one exemplary embodiment, the closed cycle pharmaceutical process plant of no isopropanol discharge includes
It is inert gas feed unit and the enclosed dosage unit being linked in sequence by pipeline, air-flow crushing unit, stage unit, close
Enclosed dedusting collector unit, presser unit and condensing unit.
Enclosed dosage unit receives the medicament powder containing isopropanol being added, and passes through the first pipeline 1 and inert gas
Feed unit connects so that medicament powder is in atmosphere of inert gases.For example, enclosed dosage unit may include feed bin,
And retractable charge door, retractable gas access, retractable gas vent, retractable discharge port with feed bin cooperation.Contain
The medicament powder of isopropyl alcohol component can be added to by retractable charge door in the open state in feed bin.Retractable gas enters
Mouth can be connect by the first pipeline 1 with inert gas feed unit, and the inert gas in inert gas feed unit is fed
Feed bin, and by original gas (for example, air) in feed bin of the inert gas replacement equipped with medicament powder, be replaced original
Gas can be discharged by openable and closable outlet, so that it is guaranteed that the medicament powder containing isopropyl alcohol component is at inert gas atmosphere
In enclosing.Medicament powder in atmosphere of inert gases can be discharged by retractable discharge port in the open state.In addition, the
Valve can be also set on one pipeline 1, for example, explosion-proof solenoid valve, to control the opening and closing of the first pipeline, and open
Aperture.
Air-flow crushing unit receives the medicament powder in atmosphere of inert gases from enclosed dosage unit, passes through the second pipe
Road 2 receives the inert gas that inert gas feed unit provides, and the inert gas is formed air-flow to crush medicament powder.Example
Such as, air-flow crushing unit can be airflow milling.Airflow milling with it is being provided by inert gas feed unit and by the second pipeline 2 into
Enter the air-flow of the inert gas formation of the airflow milling as power gas source, crushes the drug powder in atmosphere of inert gases protection
Body, to realize the safe crushing and processing to the medicament powder containing isopropyl alcohol component.Then, the medicament powder after crushing is arranged
Go out.The pulverized degree of medicament powder can determine or adjust according to reality or product requirement.In addition, may be used also on the second pipeline 2
Valve is set, for example, explosion-proof solenoid valve, to control the opening and closing of the second pipeline, and the aperture opened.In addition,
Supercharging or speeder can be set in the second pipeline 2, so that the gas in the second pipeline is in desired pressure or flow velocity, from
And it is preferably matched with air-flow crushing unit.
Stage unit is received from air-flow crushing unit by the medicament powder of air-flow crushing, and can be classified according to grain size
Processing.For example, stage unit can be grader or enclosed filter device, so as to according to reality or product requirement come to warp
The medicament powder of air-flow crushing carries out grading, obtains the medicament powder for meeting granularity requirements and undesirable drug powder
Body.Here, air-flow crushing can be delivered to for example, by Loop Seals such as pipeline, conveyers by not meeting the medicament powder of granularity requirements
Unit is crushed again.However, present exemplary embodiment is not limited to this, for example, can not will also meet the drug of granularity requirements
Powder can be delivered to dosage unit for example, by Loop Seals such as pipeline, conveyers.
Closed dedusting collector unit receives the medicament powder for meeting granularity requirements from stage unit, and can carry out closed
Formula dedusting and collection, to obtain the medicament powder of targeted particle size and the mixed gas containing isopropanol and inert gas.For example, close
Enclosed dedusting collector unit can be sack cleaner, so as to the medicament powder for meeting granularity requirements in inert gas
(including the dust formed by medicament powder micronic dust) is collected, and then obtains the medicament powder of targeted particle size and contain isopropanol
With the mixed gas of inert gas.The medicament powder of targeted particle size can be packed directly, and product is formed.
Presser unit receives the mixed gas from closed dedusting collector unit, and can be carried out to the mixed gas
Pressurized treatments.For example, presser unit can be the compression sets such as technique compressor.In addition, in order to further ensure that safety,
Oil free screw contracting press may be used in the compression set of presser unit, and incendiary source ignition isopropanol gas is met after preventing mist of oil；
In addition, according to isopropanol explosive properties, fire-proof motor, the devices such as explosion-proof solenoid valve can also be used.At the pressurization of pressurized unit
After reason, the intensity of pressure of mixed gas can be 0.5~1.0MPa, however, present exemplary embodiment is not limited to this, for example, can
The size of the intensity of pressure is adjusted according to target powder granularity requirements.After pressurized, the dew-point temperature of isopropanol greatly improves, at this time
To its condensing recovery, the cooling medium of temperature very low (- 60 DEG C) is not needed, a large amount of energy consumptions can be reduced.For example, by gaseous mixture
Body carries out pressurized treatments, the condensation temperature of isopropanol in mixed gas can be substantially reduced, for example, the pressure in mixed gas is
In the case of 0.6MPa, the condensation temperature of isopropanol can be 270 DEG C.
Condensing unit receives the mixed gas Jing Guo pressurized treatments from presser unit, and is condensed to it, to obtain
Isopropanol liquid and recyclegas.Condensing unit may include that cooling driers, the temperature of condensation water may be controlled to 0~5 DEG C.So
And present exemplary embodiment is not limited to this, for example, can be adjusted within the scope of conventional condensation coolant-temperature gage, as long as cooling can be played
Effect.Here, isopropanol liquid can be collected by isopropanol fluid reservoir.Recyclegas can be defeated by third pipeline 3
A part as power gas source or power gas source is sent to air-flow crushing unit.In the present example embodiment, inert gas can
Think nitrogen.In addition, valve can be also set on third pipeline 3, for example, explosion-proof solenoid valve, to control the opening of third pipeline
And closure, and open aperture.In addition, supercharging or speeder can also be arranged in third pipeline 3, so that in third pipeline
Gas be in desired pressure or flow velocity, to preferably being matched with air-flow crushing unit.Certainly, in third pipeline 3
Supercharging or speeder also can in the second pipeline supercharging or speeder be same device.
The closed cycle pharmaceutical process plant of the no isopropanol discharge of the present exemplary embodiment can realize closed cycle, have
Effect ground isolation air, so that it is guaranteed that safety, and not to environmental emission gas, and isopropanol gas only in the device cycle and
Recycling.
Fig. 2 shows the closed cycle drugs of the no isopropanol of another exemplary embodiment according to the present invention discharge to add
The structural schematic diagram that tooling is set.As shown in Fig. 2, in another exemplary embodiment, the closed cycle medicine of no isopropanol discharge
Object processing unit (plant) can further comprise the 4th pipeline 4 on the architecture basics of the above exemplary embodiments.Specifically, the 4th
Pipeline 4 can directly connect the pipeline between closed dedusting collector unit and presser unit with inert gas feed unit
It is logical, so that inert gas feed unit can carry out the mixed gas that will enter presser unit by the 4th pipeline 4
Gas supplements or pressure supplement.In addition, valve is may be provided on the 4th pipeline 4, for example, explosion-proof solenoid valve.4th pipeline can root
Mixed gas is supplemented according to the system balancing and stability requirement of closed cycle pharmaceutical process plant.
Fig. 3 shows that the closed cycle drug of the no isopropanol discharge of another exemplary embodiment according to the present invention adds
The structural schematic diagram that tooling is set.As shown in figure 3, in another exemplary embodiment, the closed cycle medicine of no isopropanol discharge
Object processing unit (plant) can further comprise safe dust removing units on the architecture basics of any one above-mentioned exemplary embodiment.Its
In, safe dust removing units may be provided at after closed dedusting collector unit and before presser unit, so as to institute
It states mixed gas and carries out safe dedusting, unsafe problems will not be generated because of dust problem to further ensure that.In addition, safety is removed
Dirt unit may also be arranged on after closed dedusting collector unit and before the 4th pipeline 4.For example, safe dust removing units can
As redundant safety cleaner, when closed dedusting collector unit can not work normally, to be dusted processing.
Fig. 4 shows the closed cycle drug processing of the no isopropanol discharge of property embodiment according to an example of the present invention
The flow diagram of technique.
As shown in figure 4, in one exemplary embodiment, the closed cycle drug processing technology of no isopropanol discharge can lead to
Following steps are crossed to realize.
Enclosed feeding chamber is added in medicament powder containing isopropyl alcohol component, inert gas is passed through into enclosed feeding chamber
(for example, nitrogen) is so that medicament powder is in atmosphere of inert gases.That is, by equipped with the medicine containing isopropyl alcohol component
The enclosed feeding chamber of powder is passed through inert gas in setting, and can effectively replace original gas in enclosed feeding chamber (for example, empty
Gas).
Air-flow crushing processing is carried out to the medicament powder in atmosphere of inert gases.For example, the indifferent gas bodily form can be passed through
At air-flow as power gas source, the medicament powder in atmosphere of inert gases protection is crushed, to realize to containing isopropyl
The safe crushing and processing of the medicament powder of alcohol component.The pulverized degree of medicament powder can be determined according to reality or product requirement
Or adjustment.
To through air-flow crushing, treated that medicament powder carries out classification processing according to grain size, to obtain meeting granularity requirements
Medicament powder and undesirable medicament powder.For example, can by such as closed grader or enclosed filter device come
It is classified.Granularity when classification processing can determine and adjust according to reality or product requirement.Here, granularity requirements are not met
Medicament powder can be delivered to air-flow crushing processing step by Loop Seals such as pipeline, conveyers and crushed again.
However, present exemplary embodiment is not limited to this, for example, also can be by such as managing by the medicament powder for not meeting granularity requirements
The Loop Seals such as road, conveyer are delivered to enclosed feeding chamber.
Medicament powder to meeting granularity requirements carries out closed dedusting and collection, obtain targeted particle size medicament powder and
Mixed gas containing isopropanol and inert gas.For example, can be wanted by sack cleaner etc. to meeting granularity in inert gas
The medicament powder (including the dust formed by medicament powder micronic dust) asked is collected, and then obtains the medicament powder of targeted particle size
With the mixed gas containing isopropanol and inert gas.Then, the medicament powder of targeted particle size can be packed directly, form production
Product.
Pressurized treatments, the mixed gas after being pressurizeed are carried out to above-mentioned mixed gas.The pressurized treatments of pressurized unit
Afterwards, the intensity of pressure of mixed gas can be 0.5~1.0MPa, however, present exemplary embodiment is not limited to this, for example, can root
The size of the intensity of pressure is adjusted according to target powder granularity requirements.
Condensation process is carried out to the mixed gas after pressurization, obtains isopropanol liquid and recyclegas.Condensation process with plus
Pressure processing matches, and can substantially reduce the energy consumption (for example, can save 90% or more energy consumption) of recycling isopropanol and improve back
It produces effects rate, and under atmosphere of inert gases and closed dedusting and the cooperation of collection step, it can be ensured that entire processing technology
In safety and cycle in the case of without environmental hazard, steadily carry out.
Isopropanol liquid is collected, recyclegas is delivered to the power that air-flow crushing processing step is handled as air-flow crushing
Air source.Specifically, isopropanol liquid can be collected by isopropanol fluid reservoir.Recyclegas also can transport to air-flow crushing
A part of the processing step as power gas source or power gas source.
The closed cycle drug processing technology of the no isopropanol discharge of the present exemplary embodiment can realize closed cycle, have
Effect ground isolation air, so that it is guaranteed that safety, and not to environmental emission gas, and isopropanol gas recycle only in technique with
Recycling.
In addition, in another exemplary embodiment, the closed cycle drug processing technology of no isopropanol discharge can be upper
On the basis of the technological process for stating exemplary embodiment, further comprise walking with pressurized treatments in closed dedusting and collection step
Between rapid, the step of topping up is carried out to the mixed gas.Here, the step of topping up can be according to enclosed
System balancing and the stability requirement of drug processing technology are recycled to determine whether topping up, and/or determines inert gas
Magnitude of recruitment.
In addition, in another exemplary embodiment, the closed cycle drug processing technology of no isopropanol discharge can be upper
On the basis of the technological process for stating any one exemplary embodiment, further comprise carrying out safe dust removal process to mixed gas
The step of.Specifically, safe dust removal process step can after closed dedusting and collection step and positioned at pressurization steps it
Before, as redundant safety facility.In addition, safe dust removal process step after closed dedusting and collection step and can also be located at
Before the step of topping up.
Although having been combined exemplary embodiment above and attached drawing describing the present invention, those of ordinary skill in the art
It will be apparent to the skilled artisan that in the case where not departing from spirit and scope by the claims, above-described embodiment can be carry out various modifications.
Claims (10)
1. a kind of closed cycle drug processing technology of no isopropanol discharge, which is characterized in that the closed cycle drug processing
Technique includes the following steps：
Enclosed feeding chamber is added in medicament powder containing isopropanol, inert gas is passed through so that the medicine into enclosed feeding chamber
Powder is in atmosphere of inert gases；
Air-flow crushing processing is carried out to the medicament powder in atmosphere of inert gases；
To through air-flow crushing, treated that medicament powder carries out classification processing according to grain size；
Medicament powder to meeting granularity requirements carries out closed dedusting and collection, obtains the medicament powder of targeted particle size and contains
The mixed gas of isopropanol and inert gas；
Pressurized treatments, the mixed gas after being pressurizeed are carried out to the mixed gas；
Condensation process is carried out to the mixed gas after the pressurization, obtains isopropanol liquid and recyclegas；
The isopropanol liquid is collected, the recyclegas is delivered to the air-flow crushing processing step as the air-flow powder
The power gas source of broken processing.
2. the closed cycle drug processing technology of no isopropanol discharge according to claim 1, which is characterized in that described point
Grade processing step further includes that the medicament powder for not meeting granularity requirements is delivered to the air-flow crushing processing step.
3. the closed cycle drug processing technology of no isopropanol discharge according to claim 1, which is characterized in that described to close
It further includes between the closed dedusting and collection step and the pressure treating steps, to institute that formula, which recycles drug processing technology,
State the step of mixed gas carries out topping up.
4. the closed cycle drug processing technology of no isopropanol discharge according to claim 3, which is characterized in that described to close
Formula cycle drug processing technology further include the steps that the closed dedusting and collection step and the topping up it
Between, to the mixed gas carry out safe dust removal process the step of.
5. the closed cycle drug processing technology of no isopropanol discharge according to claim 1, which is characterized in that described to add
The intensity of mixed gas after pressure is 0.5~1.0MPa.
6. a kind of closed cycle pharmaceutical process plant of no isopropanol discharge, which is characterized in that the closed cycle drug processing
Device includes inert gas feed unit and the enclosed dosage unit being linked in sequence by pipeline, air-flow crushing unit, classification
Unit, closed dedusting collector unit, presser unit and condensing unit, wherein
The enclosed dosage unit receives the medicament powder containing isopropanol being added, and is supplied by the first pipeline and inert gas
It is connected to unit so that medicament powder is in atmosphere of inert gases；
The air-flow crushing unit receives the medicament powder in atmosphere of inert gases from enclosed dosage unit, passes through the second pipe
Road receives the inert gas that inert gas feed unit provides, and the inert gas is formed air-flow to crush medicament powder；
The stage unit is received from the air-flow crushing unit by the medicament powder of air-flow crushing, and can be carried out according to grain size
Classification is handled；
The closed dedusting collector unit receives the medicament powder for meeting granularity requirements from the stage unit, and can carry out
Closed dedusting and collection, to obtain the medicament powder of targeted particle size and the mixed gas containing isopropanol and inert gas；
The presser unit receives the mixed gas from the closed dedusting collector unit, and can be to the mixed gas
Carry out pressurized treatments；
The condensing unit receives from the presser unit and condenses the mixed gas by pressurized treatments, obtains isopropanol liquid
And recyclegas, the recyclegas pass through third Pipeline transport to the air-flow crushing unit.
7. the closed cycle pharmaceutical process plant of no isopropanol discharge according to claim 6, which is characterized in that described point
Grade unit further includes the Loop Seal that the medicament powder for not meeting granularity requirements can be delivered to the air-flow crushing unit.
8. the closed cycle pharmaceutical process plant of no isopropanol discharge according to claim 6, which is characterized in that described to close
It further includes by pipeline and indifferent gas between closed dedusting collector unit and presser unit that formula, which recycles pharmaceutical process plant,
4th pipeline of object supply unit connection, inert gas feed unit can be to that will enter presser unit by the 4th pipeline
Mixed gas carries out gas supplement or pressure supplement.
9. the closed cycle pharmaceutical process plant of no isopropanol discharge according to claim 8, which is characterized in that described to close
Formula cycle pharmaceutical process plant further includes the safety for being arranged after closed dedusting collector unit and being located at before the 4th pipeline
Dust removing units, the safe dust removing units can carry out safe dedusting to the mixed gas.
10. the closed cycle pharmaceutical process plant of no isopropanol discharge according to claim 6, which is characterized in that described
The intensity of mixed gas can be increased to 0.5~1.0MPa by presser unit.
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| CN105363541A (en) * | 2015-11-28 | 2016-03-02 | 南阳福森镁粉有限公司 | Magnesium metal smashing and grading device and technique thereof |
| CN205146412U (en) * | 2015-11-28 | 2016-04-13 | 南阳福森镁粉有限公司 | Comminuted grading plant |
| CN106964458A (en) * | 2017-03-31 | 2017-07-21 | 浙江工业大学 | A kind of powder is crushed and conveying explosive-proof protector system |
| CN206716159U (en) * | 2017-03-31 | 2017-12-08 | 浙江工业大学 | A kind of powder crushes and conveying explosive-proof protector system |
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2018
- 2018-02-08 CN CN201810126164.7A patent/CN108380350A/en active Pending
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|---|---|---|---|---|
| CN1903406A (en) * | 2005-07-25 | 2007-01-31 | 梅罗尼设计有限公司 | Condensing method and equipment for recycling systems |
| CN104841544A (en) * | 2015-06-02 | 2015-08-19 | 天华化工机械及自动化研究设计院有限公司 | Nitrogen gas sealed circulating PVA powder processing method |
| CN105363541A (en) * | 2015-11-28 | 2016-03-02 | 南阳福森镁粉有限公司 | Magnesium metal smashing and grading device and technique thereof |
| CN205146412U (en) * | 2015-11-28 | 2016-04-13 | 南阳福森镁粉有限公司 | Comminuted grading plant |
| CN106964458A (en) * | 2017-03-31 | 2017-07-21 | 浙江工业大学 | A kind of powder is crushed and conveying explosive-proof protector system |
| CN206716159U (en) * | 2017-03-31 | 2017-12-08 | 浙江工业大学 | A kind of powder crushes and conveying explosive-proof protector system |
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Application publication date: 20180810 |