CN109693905A - Polyester regenerated material intelligent distribution hybrid system and method - Google Patents
Polyester regenerated material intelligent distribution hybrid system and method Download PDFInfo
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- CN109693905A CN109693905A CN201811501499.9A CN201811501499A CN109693905A CN 109693905 A CN109693905 A CN 109693905A CN 201811501499 A CN201811501499 A CN 201811501499A CN 109693905 A CN109693905 A CN 109693905A
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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
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/137—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed
- B65G1/1373—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed for fulfilling orders in warehouses
Abstract
The invention discloses polyester regenerated material intelligent distribution hybrid system and methods, the system includes storage bin, dispense pipeline, batch bin and host computer, the reworked material of each storage bin storage single variety, dispensing pipeline includes conveying pipeline, the discharge port of each storage bin of conveying piping connection and the feeding port of batch bin, batch bin is for holding through mixed reworked material, host computer includes blowing computing module and dispatching control module, blowing computing module is used for according to factory formula and production plan, it obtains the kind of required reworked material and calculates the dosage of each kind reworked material, the theoretical dispensing speed of corresponding storage bin is calculated according to the reworked material bulk density of corresponding storage bin again, dispatching control module is used to adjust the dispensing speed of corresponding storage bin and the delivery rate of conveying pipeline according to the theoretical dispensing speed calculated, so that required reworked material is simultaneously Batch bin is dosed into be mixed.The system and method realizes classification, storage and conveying to reworked material and carries out automatically controlling.
Description
Technical field
The present invention relates to reworked material production technical fields, in particular to polyester regenerated material intelligent distribution hybrid system and side
Method.
Background technique
Reworked material refers to all raw materials that are industrially recuperable, can reusing by certain process,
Such as polyester regenerated material.Reworked material is typically all the recycling and reusing of chemical products and generates, and passes through certain manufacturing process, system
Various corresponding products are produced, product demand is different, and the attribute of reworked material is also just different, thus can use reworked material system
Produce different products.It is more and more using the user of reworked material in recent years because of the problem of world resource, plastic product manufacture
Quotient also increasingly favors in the use of reworked material.
In current reworked material production management system, Automatic Control is had not been achievable, material allocation especially therein
Hybrid system needs more product line worker to maintain production, and the degree of automation and intelligence degree are lower, lead to production efficiency
It is lower and easily make mistakes.
Meanwhile current reworked material production management system is also faced with conveying and manufacture linkage and pipeline network configuration etc.
Problems need to improve.
Summary of the invention
(1) goal of the invention
To overcome above-mentioned at least one defect of the existing technology, can classification, storage and conveying to reworked material carry out from
Dynamicization, intelligentized control, the present invention provides following technical schemes.
(2) technical solution
As the first aspect of the present invention, the invention discloses a kind of polyester regenerated material intelligent distribution hybrid systems, comprising:
At least one storage bin, each storage bin are used to store the reworked material of single variety；
Pipeline is dispensed, for the reworked material in the storage bin to be controllably delivered to the batch bin, the dispatching pipeline packet
Include conveying pipeline, the discharge port of each storage bin of conveying piping connection and the feeding port of batch bin；
The batch bin, for holding through mixed reworked material；
Host computer comprising blowing computing module and dispatching control module, the blowing computing module are used for according to factory formula
And production plan, it obtains the kind of required reworked material and calculates the dosage of each kind reworked material, then again according to corresponding storage bin
Raw material bulk density calculates the theoretical dispensing speed of corresponding storage bin, and the dispatching control module is used to put according to the theory calculated
Material speed adjusts the dispensing speed of corresponding storage bin and the delivery rate of the conveying pipeline, so that required reworked material is thrown simultaneously
Expect that the batch bin is mixed.
In a kind of possible embodiment, the batch bin is connect with extruder, and the feeding device of the extruder is matched
It has and claims for adjusting charging rate and measuring the weightless of extrusion output；Wherein,
The weightless charging rate for claiming to adjust the feeding device according to the delivery rate of the conveying pipeline.
In a kind of possible embodiment, the host computer further include: Production rate module, the Production rate module
For calculating the weightless flow for claiming the unit time, and then the extruder is calculated in the extrusion output of setting period.
It include foam material storage bin, the bubble at least one described storage bin in a kind of possible embodiment
Material storage bin is connect by the foam material line that feeds intake with foam material feeding port.
In a kind of possible embodiment, the radar material position of material reserves in monitoring storehouse is installed in each storage bin
Meter, the blowing computing module are also used to calculate the use of each kind reworked material according to the material reserves that the radar level gauge acquires
The theoretical dispensing speed of amount and storage bin, the material storage that the dispatching control module is used to acquire according to the radar level gauge
Amount adjusts the dispensing speed of storage bin and the delivery rate of the conveying pipeline.
In a kind of possible embodiment, the dispatching pipeline includes a plurality of conveying pipeline, every conveying
Pipeline with conveying piping connection described in other, each storage bin with conveying piping connection described in one of them；Also,
The dispatching hybrid system includes multiple batch bins, and the outlet of each batch bin and a wherein conveying pipeline connects
It connects.
In a kind of possible embodiment, each storage bin is equipped with multiple discharge ports, also, the conveying pipeline
Road includes a plurality of dispersion conveying section connecting with the storing bin discharge port external, and respectively with the dispersion conveying section and described mixed
The mixing conveying section of storehouse feeding port connection is closed, each discharge port of the same storage bin is defeated from the different dispersions respectively
Expect section connection.
In a kind of possible embodiment, the dispatching pipeline further includes blowing pipeline, each storage bin it is every
For a discharge port by the blowing pipeline and the conveying piping connection, the blowing pipeline will be described using screw conveyor
Material in storage bin is delivered to the conveying pipeline.
In a kind of possible embodiment, the conveying pipeline uses blower by material pneumatic conveying to the batch bin.
As a second aspect of the invention, the invention discloses a kind of polyester regenerated material intelligent distribution mixed methods, comprising:
According to factory formula and production plan, obtains the kind of required reworked material and calculate the dosage of each kind reworked material；
It is put according to each kind reworked material dosage and the reworked material bulk density of corresponding storage bin, the theory for calculating corresponding storage bin
Expect speed；
According to the theoretical dispensing speed, the defeated of the dispensing speed of storage bin and the conveying pipeline of blending transportation reworked material is adjusted
Expect speed, is mixed so that required reworked material is dosed into batch bin simultaneously.
In a kind of possible embodiment, the dispatching mixed method further include:
The delivery rate of the conveying pipeline is acquired in real time；
According to the delivery rate of the conveying pipeline, pass through the weightless charging rate for claiming to adjust extruder feeding device.
In a kind of possible embodiment, the dispatching mixed method further include:
The weightless flow for claiming the unit time is calculated, and then calculates the extruder in the extrusion output of setting period.
In a kind of possible embodiment, the material reserves also according to each storage bin calculate the reason of corresponding storage bin
By dispensing speed, and the dispensing speed and conveying pipeline of storage bin are also adjusted according to the material reserves of each storage bin
Delivery rate.
(3) beneficial effect
Polyester regenerated material intelligent distribution hybrid system and method provided by the invention, have the following beneficial effects:
1, can export to reworked material, conveying automated, intelligentized control；By dispensing change system automatically, tie
Information-based application technology and DCS background information platform courses commander are closed, realizes that material precisely incorporates production system；Also, pass through
The intelligent storage of building and automatic on-line delivery system using smart machine and information-based means, realize raw material warehouse logistics and
The seamless connection of production.
2, the delivery rate of charging rate and conveying pipeline that weightlessness claims is associated, prevents the conveying speed of conveying pipeline
The charging rate that degree is faster than weightless title causes plugging or batch bin material position excessively high, and the delivery rate of conveying pipeline is prevented to be slower than
The charging rate that weightlessness claims leads to extruder low efficiency.
3, the configuration of more conveying pipelines and polygamy feed bin, enable the system to meet the production requirement of more different modes with
And production plan.
It 4, can be respectively by the discharge port of different location, so that three kinds of reworked material difference are advanced when multiple storing warehouse dischargings
Enter different dispersion conveying sections, finally summarizes mixing in mixing conveying section, the uniformity of mixing can be increased, convenient for control
System.
Detailed description of the invention
It is exemplary below with reference to the embodiment of attached drawing description, it is intended to for the explanation and illustration present invention, and cannot manage
Solution is the limitation to protection scope of the present invention.
Fig. 1 is the structural block diagram of polyester regenerated material intelligent distribution hybrid system first embodiment provided by the invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.
It should be understood that in the accompanying drawings, from beginning to end same or similar label indicate same or similar element or
Element with the same or similar functions.Described embodiments are some of the embodiments of the present invention, rather than whole implementation
Example, in the absence of conflict, the features in the embodiments and the embodiments of the present application can be combined with each other.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall within the protection scope of the present invention.
Herein, " first ", " second " etc. are only used for mutual differentiation, rather than indicate their significance level and sequence
Deng.
Implement below with reference to the first of the polyester regenerated material intelligent distribution hybrid system that Fig. 1 the present invention is described in detail provides
Example.The present embodiment is mainly used in the dispatching and mixing of polyester regenerated material, can export to reworked material, conveying carry out it is automatic
Change, intelligentized control；By dispensing change system, combining information application technology and DCS background information platform courses automatically
Commander realizes that material precisely incorporates production system；Also, intelligence is utilized by the intelligent storage of building and automatic on-line delivery system
Energy equipment and information-based means, realize the seamless connection of raw material warehouse logistics and production.
As shown in Figure 1, polyester regenerated material intelligent distribution hybrid system provided in this embodiment mainly includes: at least one
Storage bin, and dispatching pipeline, batch bin and host computer.
Storage bin is the feed bin for storing the polyester regenerated material such as bottle piece, is making moulding plastics using polyester regenerated material
When, the material used is just obtained from storage bin.Due to the usual more than one of the raw material used in process of production, system
It is inside provided at least one storage bin, as shown in Figure 1, there are three storage bins for setting in the present embodiment.Each storage bin is for depositing
The reworked material of single variety is stored up, to realize that Classification of materials is stored, and the dosage of any material can be controlled when taking.
It is understood that the quantity of storage bin can be set to more, it is more with material or the storage of storing more different cultivars
The material of quantity.The storage bin of the present embodiment can store about 1500 tons of raw material.Storage bin is commonly equipped with feed bin turnover panel, control
The flap valve of feed bin turnover panel can also be controlled by host computer.
Dispatching pipeline is used to that the reworked material in storage bin to be delivered to batch bin by PC control.Wherein, pipeline is dispensed
Including conveying pipeline.The discharge port of each storage bin of conveying piping connection, is also connected with the feeding port of batch bin.Carrying out, material is defeated
When sending, PC control opens the discharge port of the corresponding storage bin of raw material required for making current plastics, so that in storage bin
Reworked material is devoted in conveying pipeline, is transported to batch bin through conveying pipeline.In one embodiment, conveying pipeline is adopted
With blower by material pneumatic conveying to batch bin.Blower uses frequency control, the parameters such as start and stop, output power, the delivery rate of blower
It can be set and be controlled by host computer, and adjust the power of blower when unloaded or putty occurs in pipeline, play protection
The effect of motor, while improving transfer efficiency.
Batch bin is for holding through mixed reworked material.Reworked material is mixed in conveying pipeline, in required regeneration
When material is devoted in batch bin by the feeding port of batch bin, reworked material has been in admixture, that is, the process mixed exists
It has been substantially completed in feeding pipe, detailed process sees below description.Mixed regeneration material can be transported to next production through batch bin
In the correspondence equipment of process.
Dispatching hybrid system provided in this embodiment carries out decentralised control and centralized management using DCS system.DCS
(Distributed Control System), i.e. dcs or Distributed Control System, by process control level and mistake
Range monitoring grade composition using communication network as the multi-level computer system of tie, combine computer, communication, display and control etc.
Technology, basic thought is decentralised control, centralized operation, differentiated control, configuration flexibly and configuration is convenient.Wherein, excessively program-controlled
Grade processed mainly includes process control station, I/O unit and field instrument, is the main implementation section of system control function.
In the present embodiment, DCS system includes host computer, and host computer includes blowing computing module and dispatching control module.On
Position machine uses industrial control computer, is connected by Ethernet with slave computer.Five base stations of slave computer point, the PLC of each base station
It is all made of Mitsubishi Q series high-end product, PLC and field control equipment to set by bus system, each base station passes through total linear system
System connection is grid-connected.
The factory formula and production plan that blowing computing module is used to send according to ERP system, obtain required reworked material
Kind and the dosage for calculating each kind reworked material, and again according to each kind reworked material dosage and the regeneration material heap of corresponding storage bin
Product density calculates the theoretical dispensing speed of corresponding storage bin.Factory formula include required for producing a certain plastic product again
The weight ratio (or volume ratio) of the type of raw material and each reworked material, production plan include producing the target production of above-mentioned plastic product
Amount passes through the dosage for each reworked material that the plastics that target output can calculate productive target yield need.Bulk density is handle
Dust or powder are freely filled in a certain container, measured mass per volume, bulk density after the completion of rigid filling
Difference influence whether dispensing speed.The target output of above-mentioned plastic product is more, and theoretical dispensing speed will be arranged faster,
To complete target output as early as possible.
Dispatching control module is used to adjust the dispensing speed of corresponding storage bin and defeated according to the theoretical dispensing speed calculated
The delivery rate on expects pipe road is mixed so that required reworked material is dosed into batch bin simultaneously.The dispensing speed of storage bin can be with
The flow regulators such as the valve by discharge outlet are adjusted, and the dispensing speed by adjusting storage bin is realized to different product
The reworked material of kind is mixed in transfer pipeline, such as needs tri- kinds of materials of M1, M2, M3, M1 accounting 10%, M2 accounting 30%,
M3 accounting 60%, then just substantially the 2 of M2 times of the dispensing speed of M3, are 6 times of M1, realize three kinds of materials almost simultaneously with this
Start blowing and almost terminates blowing simultaneously, so that during transportation, in the mixed material in conveying pipeline, M1, M2 and M3
Ratio substantially 1:3:6.The delivery rate of conveying pipeline can be adjusted by controlling the power of blower, and delivery rate needs
Cooperate dispensing speed to be arranged, prevents that unloaded or delivery rate is caused to lead to plugging slowly excessively because delivery rate is too fast.
Above-mentioned intelligent distribution hybrid system, by automatic delivery, combining information application technology and DCS background information
Platform courses commander realizes that material precisely incorporates production system；Also, pass through the intelligent storage of building and automatic on-line dispatching system
System realizes the seamless connection of raw material warehouse logistics and production using smart machine and information-based means.
In one embodiment, batch bin is connect with extruder, and the feeding device of extruder adds equipped with for adjusting
Expect speed and measures the weightless title of extrusion output.Wherein, weightless that the delivery rate according to conveying pipeline is claimed to adjust adding for feeding device
Expect speed.
Extruder be by screw rod rotation generate pressure and shearing force, can allow material sufficiently carry out plasticizing and
Uniformly mixing, is formed, extrusion plastic products by mouth mold.Reworked material after mixing, can be transported to extruder and carry out plastics production
Product production, extruder generally include transmission component, feeding device, barrel, screw rod, head and mouth mold.Screw rod is for passing through rotation
To which plastics are generated with the effect of extreme pressure, plastics can just move in barrel, be pressurized and the fetching portion from friction
Heat, plastics are mixed and are plasticized in the moving process in barrel, and the melt of viscous state flows through mouth mold being extruded
When, it obtains required shape and forms.Running part is usually by motor, the composition such as reduction gearbox and bearing, for driving screw rod
And feed screw required torque and revolving speed in extrusion process.Feeding device is used to be extruder adding raw materials.Head
Effect is that the plastic melt in rotary motion is changed into parallel lines movement, is plasticized plastics further uniformly, and make to melt
Body uniformly smoothly imports mouth mold, also assigns necessary briquetting pressure, keeps plastics easy to form closely knit with resulting product.
Feeding device equipped with weightlessness claim, weightlessness claim flow can within the scope of 0-100% step-less adjustment, for conveying
Raw material is simultaneously adjusted to charging rate when extruder feeds.The delivery rate of conveying pipeline is faster than the charging of weightless title in order to prevent
Speed causes plugging or batch bin material position excessively high, and the charging rate for preventing the delivery rate of conveying pipeline to be slower than weightless title is led
Extruder low efficiency is caused, the delivery rate of charging rate and conveying pipeline that weightlessness claims is associated, the above problem is avoided
Generation.
Weightlessness claims start and stop that can set and control by host computer.Weightlessness claims to be all made of metering special converter control turn
Speed finds out extrusion output according to revolving speed.In feeding device equipped with multiple weightless titles and each weightless title control different material
Flow when, every kind of raw material only needs setting ratio relationship, and weightlessness claims that metered rate can be adjusted, and reaches accurate proportion.
In one embodiment, host computer further includes Production rate module, and Production rate module is for calculating weightless title
The flow of unit time, and then extruder is calculated in the extrusion output of setting period.Every weightlessness is claimed by manual process first
Each revolution of extrusion output calculates, and can accurately find out every weightless title yield hourly at runtime.
In one embodiment, at least one storage bin in all storage bins is foam material storage bin, foam material storage
Feed bin is connect by the foam material line that feeds intake with foam material feeding port.By launching foam material from foam material feeding port, pass through
The foam material line that feeds intake is transported to the entrance of foam material storage bin, and then enters foam material storage bin and store.
In one embodiment, the radar level gauge of material reserves in monitoring storehouse, radar material are installed in each storage bin
Position meter is connect with host computer.Blowing computing module is also used to calculate each kind regeneration according to the material reserves of radar level gauge acquisition
The dosage of material and the theoretical dispensing speed of storage bin, dispatching control module are used for the material reserves according to radar level gauge acquisition
Adjust the dispensing speed of storage bin and the delivery rate of conveying pipeline.
The kind of required reworked material is obtained according to factory formula and production plan in blowing computing module and calculates each kind
When the dosage of reworked material, it can also be calculated according to the material reserves of radar level gauge acquisition, if wherein one or more are stored up
The material reserves of feed bin are unable to meet production plan, then blowing computing module can according to one of the plan that is unable to meet production or
In multiple storage bins, material reserves are produced with the material reserves for planning the minimum storage bin of the ratio between required reworked material.For example,
Factory formula are as follows: the C of 20% A, 30% B and 50%, production plan be consumption in total 10 tons reworked material go into operation, that is,
Need the C of 2 tons of A, B and 5 of 3 tons ton.And radar level gauge feedback material position statistics indicate that, store the material of the storage bin of B
Reserves only remain 2 tons, and the material reserves for storing the storage bin of B only remain 4 tons, i.e. the surplus of B material makes the life for being only capable of completing 2/3
Plan is produced, the surplus of C material to be only capable of to complete 4/5 production plan, then at this time due to the limitation of B material, according to
2/3 production plan formulates the dosage of reworked material and the theoretical dispensing speed of storage bin, that is, needs 4/3 ton of A material, C material
10/3 ton.And reformulating due to production plan, theoretical dispensing speed can may also reduce therewith, the dispensing speed of storage bin
And the delivery rate of conveying pipeline can may also reduce therewith, to guarantee that material is sufficiently mixed.
In one embodiment, dispatching pipeline includes a plurality of conveying pipeline, every conveying pipeline with other conveying pipelines
Road connection, each storage bin with one of conveying piping connection.Also, dispensing hybrid system includes multiple batch bins, often
A batch bin is connect with the outlet of a wherein conveying pipeline.Specifically, dispatching hybrid system includes two conveying pipelines, ten
Storage bin and four batch bins, every conveying piping connection wherein five storage bins, and every conveying pipeline is directly connected to
Two of them batch bin, and pass through another conveying piping connection other two batch bin.Carrying out reworked material dispatching mixing
During, two with the storing warehouse discharging of the first conveying piping connection, and by the first conveying pipeline be transported to it is first defeated
The batch bin that expects pipe road is directly connected to, the storing warehouse discharging of another and the second conveying piping connection, and successively by the
Two conveying pipelines and the first conveying pipeline are transported to that batch bin being directly connected to the first conveying pipeline.
It is understood that if the corresponding storage bin of required raw material and selected is matched with same conveying piping connection
The feed bin sparetime, the conveying pipeline was directly connected to, then dispensed mixed process without designing other conveying pipelines and other batch bins.
The configuration of more conveying pipelines and polygamy feed bin, enable the system to the production requirement for meeting more different modes and
Production plan.
In one embodiment, each storage bin is equipped with multiple discharge ports, also, conveying pipeline includes a plurality of and storage
The dispersion conveying section of feed bin discharge hole connection, and the mixing conveying being connect respectively with dispersion conveying section and mixing bunker feeding port
Section, each discharge port of same storage bin are connected from different dispersion conveying sections respectively.Specifically, in above-mentioned ten storage bins, often
A storage bin is all provided with there are three discharge port, in above-mentioned two conveying pipelines, every conveying pipeline include three dispersion conveying sections with
One mixing conveying section, three discharge ports of each storage bin are separately connected three dispersion conveying sections of conveying pipeline, and three points
Conveying section is dissipated to merge and connect with a corresponding mixing conveying section, every mixing conveying section is directly connected to two batch bins, and
And the cross line of intercommunication is connected between two mixing conveying sections.Reworked material dispatching mixed process in, it is assumed that there are three with
The storing warehouse discharging of first conveying piping connection, then three storage bins can be respectively by the discharge port of different location, so that three
Kind reworked material is introduced into different dispersion conveying sections respectively, finally summarizes mixing in mixing conveying section, can increase mixing
The uniformity, convenient for control.
In one embodiment, dispatching pipeline further includes blowing pipeline, and each discharge port of each storage bin passes through
Blowing pipeline and conveying piping connection；Also, the material in storage bin is delivered to conveying using screw conveyor by blowing pipeline
Pipeline.It is first discharged using screw conveyor, quantitative control can be carried out to load, is then carried out again by conveying pipeline
Wind is sent.The revolving speed of quantitative auger screw conveyor can set and control in host computer.
Implement below with reference to the first of the polyester regenerated material intelligent distribution mixed method that Fig. 2 the present invention is described in detail provides
Example.The present embodiment can implement above-mentioned polyester regenerated material intelligent distribution system first embodiment, be mainly used in polyester regenerated material
Dispatching and mixing, can export to reworked material, conveying automated, intelligentized control；By dispensing equipment automatically
System, combining information application technology and DCS background information platform courses commander, realize that material precisely incorporates production system；And
And former material feed bin is realized using smart machine and information-based means by the intelligent storage of building and automatic on-line delivery system
The seamless connection of storing stream and production.
As shown in Fig. 2, dispatching mixed method provided in this embodiment includes the following steps:
Step 100, it according to factory formula and production plan, obtains the kind of required reworked material and calculates the use of each kind reworked material
Amount.
Step 200, according to each kind reworked material dosage and the reworked material bulk density of corresponding storage bin, corresponding storage is calculated
The theoretical dispensing speed of feed bin.
Step 300, according to the theoretical dispensing speed, the dispensing speed and blending transportation reworked material of storage bin are adjusted
The delivery rate of conveying pipeline is mixed so that required reworked material is dosed into batch bin simultaneously.
Factory formula includes the type of reworked material required for producing a certain plastic product and the weight of each reworked material
Than (or volume ratio), production plan includes the target output for producing above-mentioned plastic product, can be calculated by target output
The dosage for each reworked material that the plastics of productive target yield need.Bulk density be dust or powder are freely filled in it is a certain
In container, measured mass per volume, the difference of bulk density influence whether dispensing speed after the completion of rigid filling.It is above-mentioned
The target output of plastic product is more, and theoretical dispensing speed will be arranged faster, to complete target output as early as possible.
The dispensing speed of storage bin can be adjusted by flow regulators such as the valves of discharge outlet, pass through adjusting
The dispensing speed realization of storage bin mixes the reworked material of different cultivars in transfer pipeline, such as needs M1, M2, M3 tri-
Kind material, M1 accounting 10%, M2 accounting 30%, M3 accounting 60%, then just substantially the 2 of M2 times of the dispensing speed of M3, are 6 times of M1,
It starts simultaneously at blowing almost with this realizing three kinds of materials and almost while terminating blowing, so that during transportation, conveying pipeline
In mixed material in road, the ratio of M1, M2 and M3 substantially 1:3:6.The delivery rate of conveying pipeline can be by controlling wind
The power of machine is adjusted, and delivery rate needs to cooperate dispensing speed to prevent from causing because delivery rate is too fast unloaded or defeated to be arranged
Material speed leads to plugging slowly excessively.
When carrying out material conveying, PC control opens going out for the corresponding storage bin of raw material required for making current plastics
Material mouth is transported to batch bin through conveying pipeline so that the reworked material in storage bin is devoted in conveying pipeline.
Above-mentioned intelligent distribution mixed method, by automatic delivery, combining information application technology and DCS background information
Platform courses commander realizes that material precisely incorporates production system；Also, pass through the intelligent storage of building and automatic on-line dispatching system
System realizes the seamless connection of raw material warehouse logistics and production using smart machine and information-based means.
In one embodiment, the dispatching mixed method further include:
The delivery rate of acquisition conveying pipeline in real time；
According to the delivery rate of conveying pipeline, pass through the weightless charging rate for claiming to adjust extruder feeding device.
Extruder be by screw rod rotation generate pressure and shearing force, can allow material sufficiently carry out plasticizing and
Uniformly mixing, is formed, extrusion plastic products by mouth mold.Feeding device is used to be extruder adding raw materials.The effect of head is
Plastic melt in rotary motion is changed into parallel lines movement, is plasticized plastics further uniformly, and keep melt uniform
And mouth mold is smoothly imported, necessary briquetting pressure is also assigned, keeps plastics easy to form closely knit with resulting product.
Feeding device equipped with weightlessness claim, weightlessness claim flow can within the scope of 0-100% step-less adjustment, for conveying
Raw material is simultaneously adjusted to charging rate when extruder feeds.The delivery rate of conveying pipeline is faster than the charging of weightless title in order to prevent
Speed causes plugging or batch bin material position excessively high, and the charging rate for preventing the delivery rate of conveying pipeline to be slower than weightless title is led
Extruder low efficiency is caused, the delivery rate of charging rate and conveying pipeline that weightlessness claims is associated, the above problem is avoided
Generation.
Weightlessness claims start and stop that can set and control by host computer.Weightlessness claims to be all made of metering special converter control turn
Speed finds out extrusion output according to revolving speed.In feeding device equipped with multiple weightless titles and each weightless title control different material
Flow when, every kind of raw material only needs setting ratio relationship, and weightlessness claims that metered rate can be adjusted, and reaches accurate proportion.
In one embodiment, the dispatching mixed method further include:
The weightless flow for claiming the unit time is calculated, and then calculates extruder in the extrusion output of setting period.
Every weightless each revolution of extrusion output of title is calculated by manual process, can accurately find out every at runtime
Weightlessness claims yield hourly.
In one embodiment, the theoretical blowing speed of corresponding storage bin is also calculated according to the material reserves of each storage bin
Degree, and the dispensing speed of storage bin and the delivery rate of conveying pipeline are also adjusted according to the material reserves of each storage bin.
The radar level gauge of material reserves in monitoring storehouse is installed, according to factory formula and production plan in each storage bin
It, can also be according to the material of radar level gauge acquisition when obtaining the kind of required reworked material and calculating the dosage of each kind reworked material
Reserves are calculated, can be according to can not if the material reserves of wherein one or more storage bins are unable to meet production plan
Meet in one or more storage bins of production plan, material reserves and the object for planning the minimum storage bin of the ratio between required reworked material
Material reserves are produced.For example, factory formula are as follows: the C of 20% A, 30% B and 50%, production plan are 10 tons in total of consumption
Reworked material go into operation, that is, need the C of 2 tons of A, B and 5 of 3 tons ton.And radar level gauge feedback material position statistics indicate that,
The material reserves for storing the storage bin of B only remain 2 tons, and the material reserves for storing the storage bin of B only remain 4 tons, the i.e. surplus of B material
So that being only capable of completing 2/3 production plan, the surplus of C material makes the production plan for being only capable of completing 4/5, then at this time due to B
The limitation of material, therefore the dosage of reworked material and the theoretical dispensing speed of storage bin are formulated according to 2/3 production plan, that is, it needs
Want 4/3 ton of A material, 10/3 ton of C material.And reformulating due to production plan, theoretical dispensing speed can may also subtract therewith
Small, the dispensing speed of storage bin and the delivery rate of conveying pipeline can may also reduce therewith, to guarantee that material is sufficiently mixed.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of polyester regenerated material intelligent distribution hybrid system characterized by comprising
At least one storage bin, each storage bin are used to store the reworked material of single variety；
Pipeline is dispensed, for the reworked material in the storage bin to be controllably delivered to the batch bin, the dispatching pipeline packet
Include conveying pipeline, the discharge port of each storage bin of conveying piping connection and the feeding port of batch bin；
The batch bin, for holding through mixed reworked material；
Host computer comprising blowing computing module and dispatching control module, the blowing computing module are used for according to factory formula
And production plan, it obtains the kind of required reworked material and calculates the dosage of each kind reworked material, then again according to corresponding storage bin
Raw material bulk density calculates the theoretical dispensing speed of corresponding storage bin, and the dispatching control module is used to put according to the theory calculated
Material speed adjusts the dispensing speed of corresponding storage bin and the delivery rate of the conveying pipeline, so that required reworked material is thrown simultaneously
Expect that the batch bin is mixed.
2. dispatching hybrid system as described in claim 1, which is characterized in that the batch bin is connect with extruder, described to squeeze
The feeding device of machine claims equipped with for adjusting charging rate and measuring the weightless of extrusion output out；Wherein,
The weightless charging rate for claiming to adjust the feeding device according to the delivery rate of the conveying pipeline.
3. dispatching hybrid system as claimed in claim 2, which is characterized in that the host computer further include: Production rate module,
The Production rate module is used to calculate the weightless flow for claiming the unit time, and then calculates the extruder in the setting period
Extrusion output.
4. dispatching hybrid system as described in claim 1, which is characterized in that be equipped with object in monitoring storehouse in each storage bin
Expect the radar level gauge of reserves, the material reserves that the blowing computing module is also used to acquire according to the radar level gauge calculate
The dosage of each kind reworked material and the theoretical dispensing speed of storage bin, the dispatching control module are used for according to the radar material
The material reserves of position meter acquisition adjust the dispensing speed of storage bin and the delivery rate of the conveying pipeline.
5. dispatching hybrid system as described in claim 1, which is characterized in that the dispatching pipeline includes a plurality of conveying pipeline
Road, every conveying pipeline with conveying piping connection described in other, each storage bin with it is defeated described in one of them
Expect piping connection；Also, the dispatching hybrid system includes multiple batch bins, each batch bin and wherein one it is described defeated
The outlet on expects pipe road connects.
6. dispatching hybrid system as claimed in claim 1 or 5, which is characterized in that each storage bin be equipped with it is multiple go out
Material mouth, also, the conveying pipeline includes a plurality of dispersion conveying section connecting with the storing bin discharge port external, and respectively with institute
State the mixing conveying section that dispersion conveying section is connected with the mixing bunker feeding port, each discharge port point of the same storage bin
It is not connected from the different dispersion conveying sections.
7. a kind of polyester regenerated material intelligent distribution mixed method characterized by comprising
According to factory formula and production plan, obtains the kind of required reworked material and calculate the dosage of each kind reworked material；
It is put according to each kind reworked material dosage and the reworked material bulk density of corresponding storage bin, the theory for calculating corresponding storage bin
Expect speed；
According to the theoretical dispensing speed, the defeated of the dispensing speed of storage bin and the conveying pipeline of blending transportation reworked material is adjusted
Expect speed, is mixed so that required reworked material is dosed into batch bin simultaneously.
8. dispatching mixed method as claimed in claim 7, which is characterized in that the dispatching mixed method further include:
The delivery rate of the conveying pipeline is acquired in real time；
According to the delivery rate of the conveying pipeline, pass through the weightless charging rate for claiming to adjust extruder feeding device.
9. dispatching mixed method as claimed in claim 8, which is characterized in that the dispatching mixed method further include:
The weightless flow for claiming the unit time is calculated, and then calculates the extruder in the extrusion output of setting period.
10. dispatching mixed method as claimed in claim 7, which is characterized in that the material reserves also according to each storage bin
The theoretical dispensing speed of corresponding storage bin is calculated, and also adjusts the blowing of storage bin according to the material reserves of each storage bin
The delivery rate of speed and conveying pipeline.
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| CN114662913A (en) * | 2022-03-23 | 2022-06-24 | 新泰市日进化工科技有限公司 | Automatic quantitative feeding system and method for formamide raw materials |
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Effective date of registration: 20220802 Address after: No.266 Binhai 2nd Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee after: Ningbo Dafa New Material Co.,Ltd. Address before: 315300 Binhai 2nd Road, Hangzhou Bay New Area, Cixi Economic Development Zone, Ningbo City, Zhejiang Province Patentee before: NINGBO DAFA CHEMICAL FIBER Co.,Ltd. |