CN109279363A - A kind of device and method directly to feed intake from Class C area to Class A area - Google Patents
A kind of device and method directly to feed intake from Class C area to Class A area Download PDFInfo
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- CN109279363A CN109279363A CN201810950515.6A CN201810950515A CN109279363A CN 109279363 A CN109279363 A CN 109279363A CN 201810950515 A CN201810950515 A CN 201810950515A CN 109279363 A CN109279363 A CN 109279363A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
Abstract
The present invention relates to the device and methods that one kind directly feeds intake from Class C area to Class A area, including feed system, extractor, cleaning system, described device further include the pipeline for having protective gas system and connecting protective gas system with feed system;Protective gas system further includes gas sealing system;Protective gas system carries out gas displacement to feed system and maintains feed system micro-positive pressure.It the advantage is that, by carrying out protection gas displacement to feed system, reduce combustable gas concentration in feed system, prevent feed system from burning or exploding;By gas sealing system, feed system is made to maintain micro-positive pressure always, the fuel gas in Class A area is effectively prevent to overflow into feed system;It is directly fed intake by Class C area to Class A area, realizes automation, improve the industrialized level of Chinese medicine production;After feeding intake, feed system can effectively be cleaned by cleaning system, and feed system is dried up using drying device, avoid cross-infection, obtain good result.
Description
Technical field
The present invention relates to extraction process technology fields, more particularly to a kind of device directly to feed intake from Class C area to Class A area
And method.
Background technique
Traditional Chinese medicine extraction is a vital link of Chinese medicine production, while being also restrict Chinese medicine industrialization development one
A bottleneck.And in traditional Chinese medicine extraction production, a key factor of the degree of automation lecturer's traditional Chinese medicine extraction automation to feed intake.
Traditional Chinese medicine extraction automation is applied in actual production currently, many pharmaceutical factories have been chased, as Yangtze River medicine company,
The pharmaceutical factories of traditional Chinese medicine such as Tianjin red sun medicine company have been provided with traditional Chinese medicine extraction and feed intake the facility of automation, realize nobody for feeding intake and extracting
Change, automation.But the automation installation in these pharmaceutical factories is non-antiknock device, can only be used in the extraction using water as solvent
In operation, that is, extracts the region that feeds intake and be necessarily placed at Class C area.
In numerous extracting technique of Chinese medicine, it is molten as extracting that many medicinal materials need to apply to organic solvent such as ethyl alcohol etc.
Agent.Therefore when being related to the Class A medium such as ethyl alcohol, according to the regulation in " Code for fire protection design of buildings " (GB50016-2014),
Region where extractor must be divided into Class A production area.And feed intake in operation in extraction, feeding cylinder is open form,
Therefore, the region that feeds intake will also regard as Class A production area.Currently, domestic existing Chinese medicine feed intake automation equipment can not be real
Existing explosion-proofization, to the Chinese medicine production technology of alcohol extracting, the automation that feeds intake still cannot achieve spicule.
Therefore, a kind of automatic feeding system that can be realized explosion-proofization and technique are needed, applies it in traditional Chinese medicine extraction work
Skill improves the degree of automation, reduces cost of labor, improves factory safety, and at present about this explosion-proofization automatic charging technique
It has not been reported.
Summary of the invention
It directly feeds intake from Class C area to Class A area the purpose of the present invention is aiming at the shortcomings in the prior art, providing one kind
Device and method.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of device directly to feed intake from Class C area to Class A area, including feed system, extractor, cleaning system are provided,
Described device further includes the pipeline for having protective gas system and connecting protective gas system with feed system;Protective gas system
System includes gas sealing system;Protective gas system carries out gas displacement to feed system and maintains feed system micro-positive pressure.
In order to advanced optimize above-mentioned apparatus, the concrete measure taken further include:
Above-mentioned apparatus further includes combustible gas monitoring device, which is arranged in feed system.
Above-mentioned apparatus further includes material metage system.
Above-mentioned apparatus further includes drying system.
Fire proofing material is covered with outside above-mentioned feed system.
The present invention also provides the methods that one kind directly feeds intake from Class C area to Class A area, comprising the following steps:
Step S1: protective gas system carries out gas displacement to feed system, removes the fuel gas inside feed system;
Step S2: putting into feed system for the material of constant weight, during being fed intake using protective gas system maintenance into
Material system micro-positive pressure;
Step S3: being conveyed from feed system to extractor, maintains feed system in transmission process using protective gas system
Micro-positive pressure;
Step S4: feed system is cleaned by cleaning system.
To optimize the above-mentioned method to feed intake, the concrete measure taken further include:
In above-mentioned steps S2~S3, the protective gas system maintains feed system micro-positive pressure by gas sealing system.
In above-mentioned steps S2, before material puts into feed system, weigh by material metage system to material.
In above-mentioned steps S4, after feed system cleaning, feed system is dried by drying system.
In above-mentioned steps S1~S3, the combustable gas concentration in feed system is detected by combustible gas monitoring device, and
It alarms when combustable gas concentration reaches the threshold value of setting.
In above-mentioned steps, after the alarm of combustible gas monitoring device, gas is carried out to feed system using protective gas system
Body displacement.
The invention adopts the above technical scheme, compared with prior art, has the following technical effect that
The device and method that one kind of the invention directly feeds intake from Class C area to Class A area, by being protected to feed system
Gas displacement is protected, combustable gas concentration in feed system is reduced, prevents feed system from burning or exploding;By gas sealing system, make into
Material system maintains micro-positive pressure always, and the fuel gas in Class A area is effectively prevent to overflow into feed system;By Class C area to Class A area
It directly feeds intake, realizes automation, improve the industrialized level of Chinese medicine production;It, can be to charging by cleaning system after feeding intake
System is effectively cleaned, and is dried up using drying device to feed system, and cross-infection is avoided, and obtains good result.
Detailed description of the invention
Fig. 1 is the schematic diagram of a preferred embodiment of the invention.
Appended drawing reference therein are as follows: weighing cabin 1;Weighing module 2;Feeding cylinder 3;Inlet valve 4;Outlet valve 5;Air inlet 6;Out
Port 7;Combustible gas monitoring device 8;Protect gas main valve 9;Protect gas straight-through valve 10;Gas sealing system 11;Drain valve 12;Compression is empty
Gas intake valve 13;Clean trolley 14;Extractor 15.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
Embodiment 1
As shown in Figure 1, a kind of device preferably directly to feed intake from Class C area to Class A area of the invention, including charging system
System, extractor, cleaning system, protective gas system, material metage system, drying system;
Material metage system includes weighing cabin 1, Weighing module 2, and the lower end of weighing cabin 1 is arranged in Weighing module 2;
The lower section of material metage system is arranged in feed system, and feed system is feeding cylinder 3, and feeding cylinder 3 includes inlet valve
4, outlet valve 5, air inlet 6, gas outlet 7, combustible gas monitoring device 8;Inlet valve 4 and outlet valve 5 are separately positioned on feeding cylinder 3
Upper and lower ends;Air inlet 6 and gas outlet 7 are separately positioned on the upper and lower ends of feeding cylinder 3;Combustible gas monitoring device 8 is arranged
In the lower end of feeding cylinder 3;
Protective gas system includes protection gas main valve 9, protection gas straight-through valve 10, gas sealing system 11, and protection gas main valve 9 is arranged
On the pipeline connecting with air inlet 6, protection gas straight-through valve 10 is arranged in protection gas main valve 9 and 6 connecting line of air inlet
Portion, gas sealing system 11 two, one is arranged on the pipeline connecting with air inlet 6 and connect with protection gas main valve 9, another sets
It sets on the pipeline being connect with gas outlet 7;
Cleaning system includes cleaning trolley 14, drain valve 12;The top of weighing cabin 1 is arranged in cleaning trolley 14, cleans small
Vehicle 14 is equipped with spray hose, and spray hose can protrude into weighing cabin 1 and feeding cylinder 3;Drain valve 12, which is arranged in, to be connect with gas outlet 7
On pipeline;
Extractor 15 is located at the lower part of the feeding cylinder 3;
Drying system is compressed air drying system, and drying system includes compressed air inlet valve 13, compressed air air inlet
Valve 13 is arranged on the pipeline connecting with air inlet 6;
Fire proofing material is covered with outside feeding cylinder 3, and fire proofing material is with a thickness of 10mm;
The protection gas that protective gas system uses is nitrogen.
Using above-mentioned apparatus, process flow is as follows:
Step S1, protection gas main valve 9 is opened, protection gas straight-through valve 10 is opened, is maintained in feeding cylinder 3 using gas sealing system 11
Micro-positive pressure, protection gas pass sequentially through protection gas main valve 9, protection gas straight-through valve 10, air inlet 6 and are continually fed into feeding cylinder 3 and carry out
Nitrogen displacement, the gas displaced is discharged by gas outlet 7, after the completion of gas displacement, closes protection gas straight-through valve 10;
Step S2, medicinal material is put into weighing cabin 1, after the medicinal material weight in weighing cabin 1 reaches specified wt, opens charging
Valve 4, medicinal material enter in feeding cylinder 3, close inlet valve 4, micro-positive pressure in feeding cylinder during being fed intake using the maintenance of gas sealing system 11;
Step S3, outlet valve 5 is opened, by medicinal material by utilizing gas sealing system 11 in feeding cylinder 3 vertical transport to extractor 15
Micro-positive pressure in feeding cylinder 3 in maintenance transmission process;
Step S4, after medicinal material conveying, it is first shut off outlet valve 5, protection gas main valve 9 is then shut off, opens inlet valve
4, and drain valve 12 is opened, the spray hose for cleaning trolley 14 is protruded into weighing cabin 1 and weighing cabin 3, to weighing cabin 1 and feeding cylinder
It is cleaned in 3, the waste water after cleaning is through drainage pipeline bleeder, and after cleaning, it is logical to open compressed air inlet valve 13
Enter compressed air, by purging in feeding cylinder 3 to after doing, closes compressed air inlet valve 13, drain valve 12 and inlet valve 4;
In step S1-S3, the combustable gas concentration in feeding cylinder 3 is monitored using combustible gas monitoring device 8, and can
Combustion gas bulk concentration is alarmed when reaching minimum alarm threshold value (such as 20%) of setting, while opening protection gas main valve 9 and protection
Gas straight-through valve 10 carries out protection gas displacement to feeding cylinder 3.
In step S2-S3, pressure protection is carried out to feeding cylinder 3 using gas sealing system 11, pressure is more than in feeding cylinder 3
It is released stress when maximum pressure threshold value, provides pressure when pressure is lower than minimum pressure threshold in feeding cylinder 3, feeding cylinder 3 is made to begin
Micro-positive pressure is maintained eventually.
By adopting the above technical scheme, medicinal material raw material can directly be fed intake to Class A area B from Class C area A, is utilized
Gas sealing system maintains always micro-positive pressure in feeding cylinder, even if charging cylinder pressure is consistently greater than the pressure of Class A area B, prevents flammable
Gas is overflowed into from Class A area B to Class C area A;Using combustible gas detecting device, it is dense can effectively to detect fuel gas in feeding cylinder
Degree is alarmed when concentration is more than alarm threshold value, and opens protection gas main valve and protection gas straight-through valve, to gas in feeding cylinder
It is replaced, prevents feeding cylinder from exploding;To after feeding intake weighing cabin and feeding cylinder be cleaned and dried, can effectively avoid friendship
Fork pollution;By the displacement of protection gas and feeding cylinder micro-positive pressure is maintained, can directly be fed intake from Class C area A to Class A area B, is reduced artificial
Carrying feeds intake, and raising, which feeds intake, automates efficiency, realizes that the process that feeds intake is explosion-proof, improves plant area's safety coefficient.
In order to verify above-mentioned apparatus practical application reliability, present inventor has performed two groups of control experiments, following institute
Show:
Experimental group 1
Certain uses the pharmaceutical factory of alcohol extracting taking technique, and extractor is equipped with 20, feeds intake 20t/ days, using it is of the invention it is direct by
The method that Class C area feeds intake to Class A area, material charging region construction area (Class C area) are 472.5m2, and do not set in the workshop section that feeds intake
Set workshop section personnel.
Control group 1
Certain uses the pharmaceutical factory of alcohol extracting taking technique, and extractor is equipped with 20, feeds intake 20t/ days, using the side of Manual material feeding
Formula, material charging region construction area (Class C area) are 405m2, and in the workshop section that feeds intake equipped with 8 people of workshop section personnel.
Experimental group 1 and the comparing result of control group 1 are as follows:
Experimental group 1 | Control group 1 | |
Extractor quantity, platform | 20 | 20 |
Throughput rate, t/ days | 20 | 20 |
Class C area construction area, m2 | 472.5 | 405 |
Workshop section personnel, name | 0 | 8 |
Experimental group 1 and control group 1 are compared, it can be found that identical extractor quantity (20), the identical energy that feeds intake
In the case where power (20t/ days), using automatic feeding system and process of the invention, although Class C area construction area
472.5m2It is greater than using the 405m in Manual material feeding mode2, but unmanned, automation can be carried out in material charging region and fed intake,
Cost of labor is effectively reduced, improves material charging region safety coefficient.
Experimental group 2
Certain uses the pharmaceutical factory of alcohol extracting taking technique, and extractor is equipped with 40, feeds intake 40t/ days, using it is of the invention it is direct by
The method that Class C area feeds intake to Class A area, material charging region construction area (Class C area) are 810m2, and be not provided in the workshop section that feeds intake
Workshop section personnel.
Control group 2
Certain uses the pharmaceutical factory of alcohol extracting taking technique, and extractor is equipped with 40, feeds intake 40t/ days, using the side of Manual material feeding
Formula, material charging region construction area (Class C area) are 742.5m2, and in the workshop section that feeds intake equipped with 16 people of workshop section personnel.
Experimental group 2 and the comparing result of control group 2 are as follows:
Embodiment 2 | Comparative example 2 | |
Extractor quantity, platform | 40 | 40 |
Throughput rate, t/ days | 40 | 40 |
Class C area construction area, m2 | 810 | 742.5 |
Workshop section personnel, name | 0 | 16 |
Experimental group 2 and control group 2 are compared, it can be found that identical extractor quantity (40), the identical energy that feeds intake
In the case where power (40t/ days), using automatic feeding system and process of the invention, although Class C area construction area 810m2
It is greater than using the 742.5m in Manual material feeding mode2, but unmanned, automation can be carried out in material charging region and fed intake, effectively
Cost of labor is reduced, material charging region safety coefficient is improved.
The present invention, by the displacement of protection gas and gas sealing system, makes feed system by carrying out explosion-proofization design to Class C area
It can be avoided overflowing into for Class A area fuel gas;Combustable gas concentration threshold value is set, using fuel gas detection mouth, can in time into
Row alarm, and protection gas displacement is carried out automatically, situations such as avoiding the occurrence of burning, explode;The degree of automation is improved, is realized unmanned
Cost of labor is effectively reduced in operation, improves factory safety.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (10)
1. the device that one kind directly feeds intake from Class C area to Class A area, including feed system, extractor, cleaning system, feature
It is, described device further includes the pipeline for having protective gas system and connecting protective gas system with feed system;It is described
Protective gas system includes gas sealing system;Protective gas system carries out gas displacement to feed system and maintains feed system micro-
Positive pressure.
2. the device according to claim 1 directly to feed intake from Class C area to Class A area, which is characterized in that described device is also
Including combustible gas monitoring device, the combustible gas monitoring device is arranged in feed system.
3. the device according to claim 1 directly to feed intake from Class C area to Class A area, which is characterized in that described device is also
Including material metage system.
4. the device according to claim 1 directly to feed intake from Class C area to Class A area, which is characterized in that described device is also
Including drying system.
5. the method that one kind directly feeds intake from Class C area to Class A area, which comprises the following steps:
Step S1: protective gas system carries out gas displacement to feed system, removes the fuel gas inside feed system;
Step S2: putting into feed system for the material of constant weight, charging system during being fed intake using protective gas system maintenance
System micro-positive pressure;
Step S3: being conveyed from feed system to extractor, maintains feed system in transmission process micro- just using protective gas system
Pressure;
Step S4: feed system is cleaned by cleaning system.
6. the method according to claim 5 directly to feed intake from Class C area to Class A area, which is characterized in that the step S2
In~S3, the protective gas system maintains micro-positive pressure inside feed system by gas sealing system.
7. the method according to claim 5 directly to feed intake from Class C area to Class A area, which is characterized in that the step S2
In, before material puts into feed system, weigh by material metage system to material.
8. the method according to claim 5 directly to feed intake from Class C area to Class A area, which is characterized in that the step S4
In, after feed system cleaning, feed system is dried by drying system.
9. the method according to claim 5 directly to feed intake from Class C area to Class A area, which is characterized in that the step S1
In~S3, the combustable gas concentration in feed system is detected by combustible gas monitoring device, and reach in combustable gas concentration
It alarms when the threshold value of setting.
10. the method according to claim 9 directly to feed intake from Class C area to Class A area, which is characterized in that described flammable
After gas controlling device alarm, gas displacement is carried out to feed system using protective gas system.
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CN201810950515.6A CN109279363B (en) | 2018-08-20 | 2018-08-20 | Device and method for directly feeding materials from class C area to class A area |
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CN109279363B CN109279363B (en) | 2021-05-14 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112340460A (en) * | 2019-08-06 | 2021-02-09 | 湖北省专用汽车研究院 | Bulk material vehicle-mounted high-pressure airflow screw mixing and conveying device |
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CN205627887U (en) * | 2016-05-19 | 2016-10-12 | 浙江华亿工程设计有限公司 | Flammable solid reation kettle throws material protection mechanism |
CN106044271A (en) * | 2016-08-01 | 2016-10-26 | 中石化上海工程有限公司 | Method for automatically dosing and feeding solid materials in pharmaceutical factory |
CN205815176U (en) * | 2016-06-24 | 2016-12-21 | 远大医药黄石飞云制药有限公司 | A kind of Chinese medicine extracting tank automatic extracting system |
CN107281979A (en) * | 2017-08-21 | 2017-10-24 | 中石化上海工程有限公司 | The solid material enclosed charging method of reactor |
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CN103693455A (en) * | 2013-12-24 | 2014-04-02 | 昆明昆船物流信息产业有限公司 | Automatic feeding system with inlet at top and outlet at bottom and feeding method for extracting Chinese traditional medicine |
CN205627887U (en) * | 2016-05-19 | 2016-10-12 | 浙江华亿工程设计有限公司 | Flammable solid reation kettle throws material protection mechanism |
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CN112340460A (en) * | 2019-08-06 | 2021-02-09 | 湖北省专用汽车研究院 | Bulk material vehicle-mounted high-pressure airflow screw mixing and conveying device |
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