CN102720095A - Heavy calcium carbonate foam slurry line control system and method - Google Patents
Heavy calcium carbonate foam slurry line control system and method Download PDFInfo
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- CN102720095A CN102720095A CN2012102176517A CN201210217651A CN102720095A CN 102720095 A CN102720095 A CN 102720095A CN 2012102176517 A CN2012102176517 A CN 2012102176517A CN 201210217651 A CN201210217651 A CN 201210217651A CN 102720095 A CN102720095 A CN 102720095A
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Abstract
The invention discloses a heavy calcium carbonate foam slurry line control method which comprises the following steps of: calculating batching quantity of each material of foam slurry, wherein the materials comprise water, a dispersing agent and calcium carbonate dry powder, and setting the adding times of the dry powder and the adding quantity each time; pouring water into a foam slurry barrel trough, and meanwhile adding the dispersing agent; closing a water valve when the adding quantity of water reaches the batching quantity of water, and closing a dispersing agent pump when the adding quantity of the dispersing agent reaches the batching quantity; and adding the dry powder into the foam slurry barrel trough according to the set adding quantity, and stirring meanwhile; controlling a stirring machine to stir continuously according to the preset time after the dry powder stops to be added; and adding the dry powder repeatedly according to the set adding times and stirring until the adding quantity of the dry powder reaches the batching quantity, so as to obtain the foam slurry. The invention also provides a heavy calcium carbonate foam slurry line control system. According to the invention, the operation is simple, and the fault treatment speed is fast.
Description
Technical field
The present invention relates to a kind of paper technology, relate in particular to the powdered whiting bubble slurry line traffic control system and method in a kind of this paper technology.
Background technology
Powdered whiting (GCC) is one of indispensable filler in the paper technology; And bubble slurry (MAKEDOWN) system is the core technology in the GCC technology; Its function is that powder lime carbonate, dispersant and plain boiled water are evenly mixed in varing proportions, realizes a batch production GCC.
In the industry bubble slurry system is adopted " A-B PLC " (AB is a Business Name) and the control of " AutomationX " system more at present.Wherein " A-B PLC " is controlled to be continuous bubble slurry flow process, and its defective is: because indescribable shutdown phenomenon often appears in system, system is stable inadequately when causing producing, and safeguards quite difficulty." AutomationX " is though system's control has realized a batch production; But the AutomationX system need utilize two-server (SERVER), when data are transmitted each other, Synchronization timeout often occurs and reports to the police; The AutomationX system often shuts down because of this warning; Waste raw material thus, and the no abnormal processing capacity of AutomationX system, and complicated operation.
Summary of the invention
In view of above content, be necessary to provide a kind of powdered whiting bubble slurry line traffic control system, it adopts succinctly, system architecture commonly used, can batch production powdered whiting, and simple to operate, troubleshooting speed is fast.
Said powdered whiting bubble is starched the line traffic control system and is run in the process control equipment; This system comprises: operational module; Be used for dosage according to needed each material of recipe calculation blebbing slurry of said powdered whiting bubble slurry; This material comprises water, dispersant and calcium carbonate dry powder, and the interpolation number of times of calcium carbonate dry powder and each addition are set; Executive Module; Be used for opening the water injection bubble slurry bucket groove of water valve with water tower according to the dosage of above-mentioned water; Start the dispersant pump simultaneously and in this bubble slurry bucket groove, add dispersant; Addition according to the numerical computations water of weighing apparatus feedback; When the addition of this water reaches the dosage of said water, close water valve stopping to add water, and, when the addition of this dispersant reaches said dosage, close the dispersant pump to stop to add dispersant according to the addition of the integral and calculating dispersant of dispersant flowmeter; Said Executive Module; Also be used to start dry powder charging strand cage; Addition according to above-mentioned setting adds the calcium carbonate dry powder in the dry powder storehouse in the said bubble slurry bucket groove to; Open mixer simultaneously and in bubble slurry bucket groove, stir, the said mixer of control continues this bubble slurry bucket groove is stirred according to Preset Time after stopping to add calcium carbonate dry powder, repeats to add calcium carbonate dry powder according to the interpolation number of times of setting then and controls mixer and stir; Addition up to said calcium carbonate dry powder reaches the dosage that aforementioned calculation goes out, and obtains powdered whiting bubble slurry thus.
Also be necessary to provide a kind of powdered whiting bubble slurry line traffic control method, it adopts succinctly, system architecture commonly used, can batch production powdered whiting, and simple to operate, troubleshooting speed is fast.
Said powdered whiting bubble slurry line traffic control method is applied in the process control equipment.This method comprises: according to the dosage that needed each material is starched in the recipe calculation blebbing of said powdered whiting bubble slurry, this material comprises water, dispersant and calcium carbonate dry powder, and the interpolation number of times of calcium carbonate dry powder and each addition are set; Open water valve according to the dosage of above-mentioned water the water in the water tower is injected bubble slurry bucket groove, start the dispersant pump simultaneously and in this bubble slurry bucket groove, add dispersant; Addition according to the numerical computations water of weighing apparatus feedback;, the addition of this water closes water valve when reaching the dosage of said water to stop to add water; Reach addition, when the addition of this dispersant reaches said dosage, close the dispersant pump to stop to add dispersant according to the integral and calculating dispersant of dispersant flowmeter; Start dry powder charging strand cage, the calcium carbonate dry powder in the dry powder storehouse is added in the said bubble slurry bucket groove, open mixer simultaneously and in bubble slurry bucket groove, stir according to the addition of above-mentioned setting; The said mixer of control continues this bubble slurry bucket groove is stirred according to Preset Time after stopping to add calcium carbonate dry powder; And repeat to add calcium carbonate dry powder and control mixer and stir according to the interpolation number of times that is provided with, reach the dosage that aforementioned calculation goes out up to the addition of said calcium carbonate dry powder, and obtain powdered whiting bubble slurry thus.
Compared to prior art, system architecture of the present invention is simple and commonly used, and cost performance is high, can batch production powdered whiting.Because system is open fully, attendant's qualification is high, and the speed of troubleshooting is also fast.This system also has fault breakpoint hold function, after unit exception is repaired, can restart operation from breakpoint, cuts the waste.And in the process of each batch production,, avoided various raw materials once to add and the stirring that causes is uneven again through adding continuously the mode of raw material, guaranteed the quality of product.
Description of drawings
Fig. 1 is that powdered whiting bubble of the present invention is starched the control sketch of line traffic control system.
Fig. 2 is the structural representation of process control equipment of the present invention.
Fig. 3 is the functional block diagram that powdered whiting bubble of the present invention is starched the preferred embodiment of line traffic control system.
Fig. 4 is the operation process chart of powdered whiting bubble slurry line traffic control method of the present invention preferred embodiment.
Fig. 5 is the concrete operation process chart of the processing method of present device when unusual.
The main element symbol description
| Process control equipment | 1 |
| The dry powder storehouse | 2 |
| The dry powder feeding packing auger | 3 |
| Weighing apparatus | 4 |
| The |
5 |
| The dispersant flowmeter | 6 |
| Mixer | 7 |
| |
8 |
| Water tower | 9 |
| |
30、50、70 |
| Discharge valve | 10 |
| Storage tank | 11 |
| |
12 |
| |
14 |
| Length of run I/ |
16 |
| |
18 |
| The digital |
160 |
| The digital |
162 |
| The |
164 |
| |
100 |
| |
102 |
| |
104 |
| |
106 |
The following specific embodiment will combine above-mentioned accompanying drawing to further specify the present invention.
The specific embodiment
As shown in Figure 1, be that powdered whiting bubble of the present invention is starched the control sketch of line traffic control system.In this control sketch, illustrated in the bubble slurry preparation process annexation of each capital equipment and process control equipment on the bubble slurry production line 1.That is to say that in the present embodiment, each equipment on the bubble slurry line is by this process control equipment 1 control, to realize automatic preparation bubble slurry and batch production powdered whiting bubble slurry.
Wherein, said equipment comprises apparatus for feeding, checkout equipment, mixing plant and memory device.Particularly; Said apparatus for feeding comprises: dry powder storehouse 2, dry powder feeding packing auger 3, dispersant pump 5, water valve 8 and water tower 9; Said checkout equipment comprises: weighing apparatus 4 and dispersant flowmeter 6, and said mixing plant refers to mixer 7, said memory device refers to discharge valve 10 and storage tank 11.
In the present embodiment, said dry powder feeding packing auger 3, dispersant pump 5 and mixer 7 be respectively by a motor-driven, like the motor 30 that links to each other with dry powder feeding packing auger 3 among Fig. 1, the motor 50 that links to each other with dispersant pump 5, the motor 70 that links to each other with mixer 7.
As shown in Figure 2, be the structural representation of process control equipment 1 of the present invention.This process control equipment 1 comprises an active station 12, controller 14, one group of long-range I/O master station 16 and one group of frequency converter 18.
Said process control equipment 1 adopts succinct, the most the most frequently used system architecture; Be to use ethernet communication between active station 12 and the controller 14, and use fieldbus (PROFIBUS) communication between controller 14 and long-range I/O master station 16 and the frequency converter 18.
Said long-range I/O master station 16 comprises digital quantity input block 160, digital quantity output unit 162 and analog quantity unit 164.Wherein, digital quantity input block 160 is used to receive the fault-signal of above-mentioned each equipment feedback and the numerical value of said checkout equipment feedback.Control and fill order that digital quantity output unit 162 is used for controller 14 is sent send equipment to, to control each equipment operation.Said checkout equipment can detect weight, the flow of dispersant and the liquid level of storage tank of bubble slurry bucket groove (not shown) in real time through analog quantity unit 164.
Said frequency converter 18 is used for reaching the purpose that changes rotating speed through the frequency of the power supply that changes each device drives motor; Actual needs according to the motor that is connected with above-mentioned each equipment provides the supply voltage of its required frequency, and then reaches purpose energy-conservation, speed governing.
In order to realize steeping batch control of slurry preparation, the present invention utilizes figure control language (CFC), sequential control language (SFC) and human interface software (WINCC) to come the program in difference compilation operation station 12 and the controller 14.The present invention describes with module this active station 12 and the program description in the controller 14, because module is more suitable in the implementation of description program in computing equipment, and each module is to accomplish the computer program code segments of a specific function.
As shown in Figure 3, be the functional block diagram that powdered whiting bubble of the present invention is starched the preferred embodiment of line traffic control system.
In the figure, said powdered whiting bubble slurry line traffic control system comprises operational module 100, the control module 102 in the controller 14, Executive Module 104 and detection module 106 in the active station 12.
This operational module 100 is used for the dosage according to needed each material of recipe calculation blebbing slurry of said powdered whiting bubble slurry, and this material comprises water, dispersant and calcium carbonate dry powder, and the interpolation number of times of calcium carbonate dry powder and each addition are set.
Said control module 102 is used for generating according to the prescription of said powdered whiting bubble slurry the control scheme of bubble slurry preparation.
Said Executive Module 104 is used for opening the water injection bubble slurry bucket groove of water valve 8 with water tower 9, starts dispersant pump 5 simultaneously and in this bubble slurry barrel groove, adds dispersant.In the present embodiment, in bubble slurry bucket groove, inject the weight of water here and can be scheduled in advance, and be less than or equal to the dosage of said water.
The addition that said detection module 106 is used for controlling 4 pairs of these bubbles slurries of said weighing apparatus bucket groove water detects, and the addition that 6 pairs of this bubbles of control dispersant flowmeter are starched dispersant in barrel groove detects.Said control module 102 is accomplished the control of bubble slurry preparation order based on signal, the data of these detection module 106 feedbacks.That is to say that control module 102 is starched the preparation order according to signal, the data setting bubble of detection module 106 feedbacks, and control the preparation of bubble slurry line completion bubble slurry in proper order according to this bubble slurry preparation by Executive Module 104.Particularly:
When the addition of this water reached the weight of above-mentioned predetermined water, Executive Module 104 was closed water valve 8 to stop to add water.When the addition of this dispersant reached the dosage of being calculated, this Executive Module 104 was closed dispersant pump 5 to stop to add dispersant.
Said Executive Module 104 also is used to start dry powder charging strand cage 3, according to the addition of above-mentioned setting the calcium carbonate dry powder in the dry powder storehouse 2 is added in the said bubble slurry bucket groove, opens mixer 7 simultaneously and in bubble slurry bucket groove, stirs.
When the calcium carbonate dry powder of this time interpolation reached set addition, Executive Module 104 was closed dry powder charging strand cage 3, stopping to add calcium carbonate dry powder, and controlled said mixer 7 and continued this bubble slurry barrel groove is stirred according to Preset Time.In the present embodiment, this Preset Time can be 50 seconds, or other mixings time of operator's setting.The addition of said calcium carbonate dry powder calculates after also measuring bubble slurry bucket grooves by weighing apparatus 4, and the weight that is about to bubble slurry bucket groove deducts the water that added and the weight of dispersant, thereby obtains the weight of calcium carbonate dry powder.
In the present embodiment; Said Executive Module 104 also is used for repeating to add calcium carbonate dry powder and controlling mixer 7 and stir according to the interpolation number of times that is provided with; Addition up to said calcium carbonate dry powder reaches the dosage that aforementioned calculation goes out, and obtains powdered whiting bubble slurry thus.
In order to satisfy technological requirement, the powdered whiting bubble slurry that needs further dilution to be generated, therefore, said Executive Module 104 need be opened water valve 8 based on the dosage of above-mentioned water the water in the water tower 9 is re-injected in the bubble slurry bucket groove.Need to prove, inject the weight and the interpolation calcium carbonate dry powder forward direction bubble of water here and starch the dosage that barrel weight sum of groove injection water equals said calculating water.
Said Executive Module 104 also is used for through opening discharge valve 10 the powdered whiting bubble slurry for preparing being discharged into storage tank 11.Said detection module 106 control liquid level gauge (not shown)s detect to judge whether the preparing bubble slurry once more the liquid level of this storage tank 11.Particularly, whether detection module 106 passes through the liquid level of this storage tank 11 of liquid level gauge detection more than or equal to a preset liquid level, as: whether more than or equal to 80% of this storage tank.When the liquid level of this storage tank 11 during, stop to prepare once more the bubble slurry more than or equal to this preset liquid level.And when the liquid level of this storage tank 11 during less than this preset liquid level, preparation bubble slurry once more.
In above-mentioned preparation bubble slurry process; Whether said control module 102 also is used for used each equipment of monitoring bubble slurry preparation process unusual; Reach when unit exception, return after this is finished dealing with unusually and continue the unusual preceding bubble slurry of actuating equipment preparation flow.Concrete grammar will be described in detail in Fig. 5.
In the present embodiment, this control module 102 is that the fault-signal or the human intervention that move time feedback through equipment judged and unusual equipment occurred.
As shown in Figure 4, be the operation process chart of powdered whiting bubble slurry line traffic control method of the present invention preferred embodiment.
Step S100, operational module 100 judge whether to upgrade the prescription of said powdered whiting bubble slurry.When needs upgraded the prescription that is write down, flow process got into step S102.On the contrary, if need not upgrade the prescription that is write down, then directly get into step S104.
Step S102, operational module 100 is according to the dosage of needed each material of recipe calculation blebbing slurry of said powdered whiting bubble slurry, and this material comprises water, dispersant and calcium carbonate dry powder, and the interpolation number of times of calcium carbonate dry powder and each addition are set.
Step S104; Executive Module 104 is opened water valve 8 water in the water tower 9 is injected bubble slurry bucket groove; Start dispersant pump 5 simultaneously and in this bubble slurry bucket groove, add dispersant; The addition of water detects in 4 pairs of this bubble slurries of the said said weighing apparatus of detection module 106 controls bucket groove, and the addition of dispersant detects in 6 pairs of this bubble slurries of control dispersant flowmeter bucket groove.In the present embodiment, in bubble slurry bucket groove, inject the weight of water in this step and can be scheduled in advance, and be less than or equal to the dosage of said water.
When the addition of this water reach during predetermined in advance weight, Executive Module 104 is closed water valve 8 stopping to add water, and when the addition of this dispersant reached the dosage of being calculated, this Executive Module 104 was closed dispersant pump 5 to stop to add dispersant.
Step S106; Said Executive Module 104 starts dry powder charging strand cage 3; According to the addition of above-mentioned setting the calcium carbonate dry powder in the dry powder storehouse 2 is added in the said bubble slurry bucket groove, open mixer 7 simultaneously and in bubble slurry bucket groove, stir, when the calcium carbonate dry powder that adds reaches the set addition of this time; Executive Module 104 is closed dry powder charging strand cage 3, to stop to add calcium carbonate dry powder.
Step S108, the said mixer 7 of said Executive Module 104 controls continues this bubble slurry bucket groove is stirred according to Preset Time, for example, this bubble slurry bucket groove is stirred 50 seconds.
Step S110, said Executive Module 104 judges whether that according to the dosage of interpolation number of times that is provided with and calcium carbonate dry powder needs add calcium carbonate dry powder to bubble slurry bucket groove once more.When judged result for need add once more the time, flow process is returned step S106.And when judged result when not needing to add once more, flow process gets into step S112.
Step S112, said Executive Module 104 is opened water valve 8 according to the dosage of above-mentioned water the water in the water tower 9 is re-injected in the bubble slurry bucket groove, to dilute the powdered whiting bubble slurry that is generated.Need to prove that the weight of water that this step is injected and the weight sum of step water that S104 injects equal the dosage of the water that step S100 calculated.That is to say; Injecting the weight of water among this step S112 is confirmed when upgrading prescription by operating personnel; The dosage of the water that the gross weight of injecting water among step S112 and the step S104 equals to be calculated; If the weight of injecting water among the step S104 equals the dosage of water, then step S112 just need not add water in powdered whiting bubble slurry.
Step S114, said Executive Module 104 is discharged into the powdered whiting bubble slurry for preparing in the storage tank 11 through opening discharge valve 10.
Step S116, said detection module 106 control liquid level gauges detect the liquid level of this storage tank 11, and whether the liquid level of judging this storage tank 11 more than or equal to a preset liquid level, as more than or equal to 80% of this storage tank 11.
When the liquid level of this storage tank 11 during more than or equal to this preset liquid level, flow process finishes.
When the liquid level of this storage tank 11 during less than this preset liquid level, flow process is returned step S104 and is prepared the bubble slurry once more.
In the present embodiment, when judging whether to prepare once more the bubble slurry, said preset liquid level also can be not equal to 80%, and the operator can be provided with other preset liquid levels according to the demand of oneself, as 85%, 90% etc.
As shown in Figure 5, be the concrete operation process chart of the processing method of present device when unusual.
Step S200, whether used each equipment is unusual in the control module 102 monitoring bubble slurry preparation process.This equipment comprises motor 50, the dispersant flowmeter of motor 30, weighing apparatus, the dispersant pump 5 of dry powder charging strand cage 3, motor 70, water valve, discharge valve and the storage tank of mixer 7.
In the present embodiment, the fault-signal of feedback or human intervention were judged the equipment that appearance is unusual when said control module 102 was moved through equipment.
When in the said equipment during no unit exception, process ends.
When in the said equipment unit exception being arranged, in step S202, the current state of control module 102 record water valve 8, dry powder feeding packing auger 3 and motor 30, dispersant pump 5 and motors 50 thereof.
Step S204 closes water valve 8, motor 30 and 50;
Step S206 opens the motor 70 of mixer 7, drives 7 pairs of bubble slurries of mixer bucket groove and stirs.
Step S208, whether the getting rid of unusually of control module 102 monitoring equipments.After unusual eliminating of equipment, flow process gets into step S210.Otherwise when also not getting rid of unusually of equipment, flow process is returned step S208 and is proceeded monitoring.
Step S210, the duty of recovery water valve 8, dry powder feeding packing auger 3 and motor 30, dispersant pump 5 and motor 50 thereof.
Step S212, control module 102 skips to the main program point of interruption with flow process, is about to the bubble slurry preparation flow continuation preparation bubble slurry before flow process goes to unit exception.
What should explain at last is; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although the present invention is specified with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spirit and the scope of technical scheme of the present invention.For example, the method is applied to seeking boundary point on the boundary line clearly.
Claims (14)
1. a powdered whiting bubble slurry line traffic control system runs in the process control equipment, it is characterized in that this system comprises:
Operational module is used for the dosage according to needed each material of recipe calculation blebbing slurry of said powdered whiting bubble slurry, and this material comprises water, dispersant and calcium carbonate dry powder, and the interpolation number of times of calcium carbonate dry powder and each addition are set;
Executive Module; Be used for opening the water injection bubble slurry bucket groove of water valve with water tower according to the dosage of above-mentioned water; Start the dispersant pump simultaneously and in this bubble slurry bucket groove, add dispersant; Addition according to the numerical computations water of weighing apparatus feedback; When the addition of this water reaches the dosage of said water, close water valve stopping to add water, and, when the addition of this dispersant reaches said dosage, close the dispersant pump to stop to add dispersant according to the addition of the integral and calculating dispersant of dispersant flowmeter;
Said Executive Module; Also be used to start dry powder charging strand cage; Addition according to above-mentioned setting adds the calcium carbonate dry powder in the dry powder storehouse in the said bubble slurry bucket groove to; Open mixer simultaneously and in bubble slurry bucket groove, stir, the said mixer of control continues this bubble slurry bucket groove is stirred according to Preset Time after stopping to add calcium carbonate dry powder, repeats to add calcium carbonate dry powder according to the interpolation number of times of setting then and controls mixer and stir; Addition up to said calcium carbonate dry powder reaches the dosage that aforementioned calculation goes out, and obtains powdered whiting bubble slurry thus.
2. powdered whiting bubble as claimed in claim 1 is starched the line traffic control system; It is characterized in that; Said Executive Module also be used for above-mentioned obtain powdered whiting bubble slurry after; Control said water valve the water in the water tower is re-injected in the bubble slurry bucket groove, the weight sum of injection water equals the dosage of the water of aforementioned calculation before this weight that re-injects water in the bubble slurry bucket groove and the said interpolation calcium carbonate dry powder.
3. powdered whiting bubble as claimed in claim 2 is starched the line traffic control system, it is characterized in that, said Executive Module also is used for through opening discharge valve the powdered whiting bubble slurry for preparing being discharged into storage tank.
4. powdered whiting bubble as claimed in claim 3 is starched the line traffic control system, it is characterized in that this system also comprises:
Detection module; Being used for controlling said weighing apparatus detects the addition of said bubble slurry bucket groove water; Control dispersant flowmeter detects the addition of dispersant in the said bubble slurry bucket groove, and the control liquid level gauge detects to judge whether the preparing bubble slurry once more the liquid level of said storage tank.
5. powdered whiting bubble as claimed in claim 4 is starched the line traffic control system, it is characterized in that this system also comprises:
Control module is used for generating the control scheme that bubble is starched preparation according to the prescription of said powdered whiting bubble slurry, and accomplishes bubble slurry preparation control in proper order according to signal, the data of said detection module feedback; And
Said control module; Whether also be used for used each equipment of monitoring bubble slurry preparation process unusual; And when in the used equipment unit exception being arranged; Return after this is finished dealing with unusually and continue the bubble slurry preparation flow of actuating equipment before unusual, wherein, this equipment comprises motor, the dispersant flowmeter of motor, weighing apparatus, the dispersant pump of dry powder storehouse, dry powder charging strand cage, motor, water valve, discharge valve and the storage tank of mixer.
6. powdered whiting bubble as claimed in claim 5 is starched the line traffic control system, it is characterized in that the fault-signal of feedback or human intervention were judged the equipment that appearance is unusual when said control module was moved through equipment.
7. powdered whiting bubble as claimed in claim 5 is starched the line traffic control system; It is characterized in that; When in the said equipment unit exception being arranged, said control module is preserved the breakpoint in the bubble slurry preparation flow through following steps, to treat beginning to continue preparation bubble slurry from the point of interruption after the unit exception reparation:
The current state of record water valve, dry powder feeding packing auger and motor, dispersant pump and motor thereof;
Close the motor of motor, water valve and the dry powder charging strand cage of dispersant pump;
Open the motor of mixer, drive mixer and stir;
After the abnormality processing completion, recover the duty of water valve, dispersant pump and motor thereof, dry powder charging strand cage and motor thereof, and continue the unusual preceding bubble slurry of actuating equipment flow process.
8. powdered whiting bubble as claimed in claim 1 is starched the line traffic control system, it is characterized in that said Preset Time is 50 seconds.
9. a powdered whiting bubble is starched the line traffic control method, is applied to it is characterized in that this method comprises in the process control equipment:
According to the dosage that needed each material is starched in the recipe calculation blebbing of said powdered whiting bubble slurry, this material comprises water, dispersant and calcium carbonate dry powder, and the interpolation number of times of calcium carbonate dry powder and each addition are set;
Open water valve according to the dosage of above-mentioned water the water in the water tower is injected bubble slurry bucket groove, start the dispersant pump simultaneously and in this bubble slurry bucket groove, add dispersant;
Addition based on the numerical computations water of weighing apparatus feedback;, the addition of this water closes water valve when reaching the dosage of said water to stop to add water; Reach addition, when the addition of this dispersant reaches said dosage, close the dispersant pump to stop to add dispersant based on the integral and calculating dispersant of dispersant flowmeter;
Start dry powder charging strand cage, the calcium carbonate dry powder in the dry powder storehouse is added in the said bubble slurry bucket groove, open mixer simultaneously and in bubble slurry bucket groove, stir according to the addition of above-mentioned setting;
The said mixer of control continues this bubble slurry bucket groove is stirred according to Preset Time after stopping to add calcium carbonate dry powder; And
Repeat to add calcium carbonate dry powder and control mixer and stir according to the interpolation number of times that is provided with, reach the dosage that aforementioned calculation goes out up to the addition of said calcium carbonate dry powder, and obtain powdered whiting bubble slurry thus.
10. powdered whiting as claimed in claim 9 bubble slurry line traffic control method is characterized in that, this method also comprises behind the powdered whiting bubble slurry obtaining:
Control said water valve the water in the water tower is re-injected in the bubble slurry bucket groove, the weight sum of injection water equals the dosage of the water of aforementioned calculation before this weight that re-injects water in the bubble slurry bucket groove and the said interpolation calcium carbonate dry powder; And
Through opening discharge valve the powdered whiting bubble slurry for preparing is discharged in the storage tank.
11. powdered whiting bubble slurry line traffic control method as claimed in claim 10 is characterized in that this method also comprises:
Liquid level according to storage tank judges whether to proceed preparation bubble slurry;
If the liquid level of this storage tank more than or equal to a preset liquid level, then stops to prepare once more bubble slurry, process ends; Or
If the liquid level of this storage tank less than this preset liquid level, is then returned and is opened water valve based on the dosage of above-mentioned water the step that the water in the water tower injects bubble slurry bucket groove is prepared the bubble slurry once more.
12. powdered whiting bubble slurry line traffic control method as claimed in claim 9 is characterized in that said Preset Time is 50 seconds.
13. powdered whiting bubble slurry line traffic control method as claimed in claim 9 is characterized in that this method also comprises:
Whether used each equipment is unusual in the monitoring bubble slurry preparation process, and wherein, this equipment comprises motor, the dispersant flowmeter of motor, weighing apparatus, the dispersant pump of dry powder storehouse, dry powder charging strand cage, motor, water valve, discharge valve and the storage tank of mixer;
When in the said equipment unit exception being arranged, the current state of record water valve, dry powder feeding packing auger and motor, dispersant pump and motor thereof;
Close the motor of motor, water valve and the dry powder charging strand cage of dispersant pump;
Open the motor of mixer, drive mixer and stir;
After the abnormality processing completion, recover the duty of water valve, dispersant pump and motor thereof, dry powder charging strand cage and motor thereof, and continue the unusual preceding bubble slurry of actuating equipment flow process.
14. powdered whiting bubble as claimed in claim 13 is starched the line traffic control system, it is characterized in that, whether used each equipment is meant unusually in the said monitoring bubble slurry preparation process:
The fault-signal of feedback or human intervention are judged the equipment that appearance is unusual when moving through equipment.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103323086A (en) * | 2013-06-08 | 2013-09-25 | 深圳市阿莱恩斯科技有限公司 | Precise distributing and weighing control method and device |
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| CN1658962A (en) * | 2002-04-11 | 2005-08-24 | 摩必斯技术公司 | Control system and method for mixing of slurry |
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Application publication date: 20121010 |