CN107755269A - A kind of Zhi Sha buildings air quantity adjusting method and system - Google Patents
A kind of Zhi Sha buildings air quantity adjusting method and system Download PDFInfo
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- CN107755269A CN107755269A CN201610697862.3A CN201610697862A CN107755269A CN 107755269 A CN107755269 A CN 107755269A CN 201610697862 A CN201610697862 A CN 201610697862A CN 107755269 A CN107755269 A CN 107755269A
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 239000004576 sand Substances 0.000 claims abstract description 56
- 239000004575 stone Substances 0.000 claims abstract description 46
- 239000000843 powder Substances 0.000 claims abstract description 36
- 238000010304 firing Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 235000013312 flour Nutrition 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 9
- 238000005457 optimization Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/04—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
Abstract
The invention discloses a kind of Zhi Sha buildings air quantity adjusting method to include：Firing command is received, obtains the actual suction pressure value of pipeline air inlet；Compare actual suction pressure value and default negative pressure value, obtain difference data, preset the negative pressure value corresponding to the finished sand that negative pressure value is required content of stone powder；Blower motor rotating speed is adjusted according to difference data.The negative pressure value for detecting and changing pipeline air inlet position can effectively adjust the content of the stone flour in the Machine-made Sand of output, pass through the contrast of actual suction pressure value and default negative pressure value, and change the negative pressure value measured by adjusting blower motor rotating speed, actual suction pressure value is made to level off to or be substantially equal to default negative pressure value, to make the content of stone powder in Machine-made Sand level off to or substantially equal to required specified content.To sum up, Zhi Sha buildings air quantity adjusting method provided by the invention can efficiently solve the technical problem of the uncontrollable grade of content of stone powder in the Machine-made Sand using prior art production.The invention also discloses a kind of Zhi Sha buildings blast regulation system.
Description
Technical field
The present invention relates to engineering production technical field, more specifically to a kind of Zhi Sha buildings air quantity adjusting method, also relates to
A kind of and Zhi Sha buildings blast regulation system.
Background technology
Limited by natural resources, the natural sand based on river sand can not increasingly meet growing concrete amount
Demand, excessive exploitation natural sand source, the pressure caused by natural environment is also increasingly increased, most area has put into effect political affairs
Plan, limitation exploitation river sand.Machine-made Sand substitutes river sand at home and abroad turns into a kind of trend of Sustained Development for Concrete Industry.
The area that water resource lacks, dry-method sand manufacturing have irreplaceable advantage, can be to greatest extent how while environmental protection
Pledge system sand quality, be the target that all Machine-made Sand producers pursue at present.
The research of modern concrete shows that appropriate stone flour is beneficial to concrete, the presence for having appropriate stone flour, is made up
The defects of Machine-made Sand concrete batching workability difference, meanwhile, the incorporation of stone flour is thin less than 75 μm of spies to improving aggregate
The grading of particle, (at this point, limitation of the natural sand due to its mining type, its special fine grading does not have substantially) further carry
High concrete density is all helpful.Modern concrete design concept is the supporting role for emphasizing to play aggregate skeleton, and is played
The supporting role optimum conditions of aggregate skeleton are that space is minimum between making aggregate, compactness highest, and then it is mixed to play raising
Coagulate the effect of native combination property.
But in actual production, it is difficult to accomplish the content of stone powder of Effective Regulation Machine-made Sand so as to effectively control the mixed of output
Coagulate the quality of soil, the use of the Machine-made Sand limited significantly and its due market prospects.
In summary, the uncontrollable grade of content of stone powder in the Machine-made Sand using prior art production how is efficiently solved
Technical problem, it is current those skilled in the art's urgent problem.
The content of the invention
In view of this, first purpose of the invention is to provide a kind of Zhi Sha buildings air quantity adjusting method, the Zhi Sha buildings wind
The technology that amount adjustment method can efficiently solve the uncontrollable grade of content of stone powder in the Machine-made Sand using prior art production is asked
Topic, second object of the present invention are to provide a kind of Zhi Sha buildings blast regulation system.
In order to reach above-mentioned first purpose, the present invention provides following technical scheme：
A kind of Zhi Sha buildings air quantity adjusting method, including：
Firing command is received, obtains the actual suction pressure value of pipeline air inlet；
Compare actual suction pressure value and default negative pressure value, obtain difference data, the default negative pressure value is required content of stone powder
Finished sand corresponding to negative pressure value；
Blower motor rotating speed is adjusted according to the difference data.
Preferably, in above-mentioned Zhi Sha buildings air quantity adjusting method, after the reception firing command, in addition to：Excite acquisition
The operation of default negative pressure value, default negative pressure value is obtained, when the finished sand of required content of stone powder is made in Zhi Sha buildings, measures pipeline and enter
The negative pressure value of gas port is designated as default negative pressure value.
It is preferably, described that blower motor rotating speed is adjusted according to the difference data in above-mentioned Zhi Sha buildings air quantity adjusting method,
Including：
According to VFC instruction corresponding to difference data generation, and frequency conversion instruction is sent to variable frequency adjustment module,
Blower motor rotating speed described in the variable frequency adjustment module variable frequency adjustment.
Preferably, in above-mentioned Zhi Sha buildings air quantity adjusting method, the operation for exciting the default negative pressure value of acquisition, including：
Detect the action of regulation air inlet aperture.
Preferably, in above-mentioned Zhi Sha buildings air quantity adjusting method, the operation for exciting the default negative pressure value of acquisition, including：
Detect and open the action that charging aperture is fed again.
Preferably, in above-mentioned Zhi Sha buildings air quantity adjusting method, the firing command is sent receiving timing trigger module
Generated during timing signal, the timing trigger module sends a timing signal at interval of preset time.
This Zhi Sha buildings air quantity adjusting method proposed by the present invention includes：Firing command is received, obtains pipeline air inlet
Actual suction pressure value；Compare actual suction pressure value and default negative pressure value, obtain difference data, the default negative pressure value is that required stone flour contains
Negative pressure value corresponding to the finished sand of amount；Blower motor rotating speed is adjusted according to the difference data.By measuring pipeline air inlet
Negative pressure value can obtain the characteristic value for characterizing the air force in material wind selection case, because the air force in Winnowing box can be with
The content of stone powder in the Machine-made Sand of the output after Winnowing box processing is effectively influenceed, therefore the stone in Machine-made Sand is used as using the negative pressure value
The important relevant parameter of powder content；The negative pressure value for being detected by method provided by the invention and changing pipeline air inlet position can be with
The content of stone flour effectively in the Machine-made Sand of regulation output, by the contrast of actual suction pressure value and default negative pressure value, and passes through tune
Section blower motor rotating speed changes the negative pressure value measured, makes actual suction pressure value level off to or be substantially equal to default negative pressure value, to make machine
Content of stone powder in sand processed levels off to or substantially equal to required specified content.In summary, Zhi Sha buildings provided by the invention wind
The technology that amount adjustment method can efficiently solve the uncontrollable grade of content of stone powder in the Machine-made Sand using prior art production is asked
Topic.
In order to reach above-mentioned second purpose, present invention also offers a kind of Zhi Sha buildings blast regulation system, including：
Sensor assembly, the negative pressure value of signal piping air inlet；
Rotational speed regulation module, the rotating speed of the control instruction regulation blower motor of receive and control module；
Control module, communicated to connect with the sensor assembly and the rotational speed regulation module, obtain sensor assembly and survey
The negative pressure value obtained, and the acquisition difference data compared with default negative pressure value, accordingly generate control instruction control rotational speed regulation module and adjust
Save blower motor rotating speed.
Preferably, in above-mentioned Zhi Sha buildings blast regulation system, the sensor assembly is located at the material wind selection case in Zhi Sha buildings
Position, negative pressure value is obtained by the static pressure for the induced duct for detecting Winnowing box and the difference of standard atmospheric pressure.
Preferably, in above-mentioned Zhi Sha buildings blast regulation system, the rotational speed regulation module includes variable frequency adjustment device, passes through change
Frequency modulation section adjusts the rotating speed of the blower motor.
Preferably, in above-mentioned Zhi Sha buildings blast regulation system, the control module includes PID controller.
This Zhi Sha buildings blast regulation system, including：Sensor assembly, the negative pressure value of signal piping air inlet；Rotational speed regulation
Module, the rotating speed of the control instruction regulation blower motor of receive and control module；Control module, with the sensor assembly and described
Rotational speed regulation module communicates to connect, and obtains the negative pressure value that sensor assembly measures, and difference number is obtained compared with default negative pressure value
According to accordingly generating control instruction control rotational speed regulation module regulation blower motor rotating speed.Due to above-mentioned Zhi Sha buildings air quantity regulation
Method has above-mentioned technique effect, and the Zhi Sha buildings blast regulation system can realize above-mentioned Zhi Sha buildings air quantity adjusting method, institute
Should also have corresponding technique effect with the Zhi Sha buildings blast regulation system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flow chart of Zhi Sha buildings air quantity adjusting method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another Zhi Sha buildings air quantity adjusting method provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of Zhi Sha buildings provided in an embodiment of the present invention blast regulation system.
Marked in accompanying drawing as follows：
Control module 1, rotational speed regulation module 2, sensor assembly 3, Winnowing box 4, air inlet 4-1, induced duct 5, air inducing electricity
Machine 6.
Embodiment
The embodiment of the invention discloses a kind of Zhi Sha buildings air quantity adjusting method, to solve the mechanism using prior art production
The technical problem of the uncontrollable grade of content of stone powder in sand.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is the flow chart of Zhi Sha buildings air quantity adjusting method provided in an embodiment of the present invention.
This Zhi Sha buildings air quantity adjusting method proposed by the present invention includes：
S01：Firing command is received, obtains pipeline air inlet 4-1 actual suction pressure value.Wherein, firing command is Zhi Sha buildings
Blast regulation system caused by meet some requirements, after firing command is received, measurement pipeline air inlet 4-1's
Negative pressure value, and obtain the actual suction pressure value.
S02：Compare actual suction pressure value and default negative pressure value, obtain difference data, the default negative pressure value is required stone flour
Negative pressure value corresponding to the finished sand of content.Wherein, the material wind selection case 4 in Zhi Sha buildings pipeline when providing certain air quantity output
Interior to produce certain negative pressure, in the case of the content of stone powder in obtained Machine-made Sand is just to be preset value, its negative pressure value is pre-
If negative pressure value, default negative pressure value characterizes required Machine-made Sand content of stone powder.
S03：The rotating speed of blower motor 6 is adjusted according to the difference data.Wherein blower motor is that material wind selection case 4 is entered
The Fan Equipment of sector-style amount supply, by difference data, corresponding regulation is carried out to the rotating speed of blower motor, makes blower motor
Rotating speed carry out the quantitative increase of corresponding difference data or reduce actual suction pressure value caused by make blower motor level off to it is default
Negative pressure value.
Negative pressure value by measuring pipeline air inlet can obtain the characteristic value for characterizing the air force in material wind selection case,
The content of stone powder in the Machine-made Sand of the output after Winnowing box processing can be effectively influenceed due to the air force in Winnowing box, therefore
The important relevant parameter of the content of stone powder in Machine-made Sand is used as using the negative pressure value；Detect and change by method provided by the invention
The negative pressure value of pipeline air inlet position can effectively adjust the content of the stone flour in the Machine-made Sand of output, by actual suction pressure value with
The contrast of default negative pressure value, and change the negative pressure value measured by adjusting blower motor rotating speed, make actual suction pressure value level off to or
Substantially equal to default negative pressure value, to make the content of stone powder in Machine-made Sand level off to or substantially equal to required specified content.To sum up
Described, Zhi Sha buildings air quantity adjusting method provided by the invention can be efficiently solved in the Machine-made Sand using prior art production
The technical problem of the uncontrollable grade of content of stone powder.
Referring to Fig. 2, Fig. 2 is the flow chart of another Zhi Sha buildings air quantity adjusting method provided in an embodiment of the present invention.
For further optimization above-mentioned technical proposal, preferable on the basis of above-described embodiment, above-mentioned Zhi Sha buildings air quantity is adjusted
In section method, after the reception firing command, in addition to：S012 excites the operation for obtaining default negative pressure value, obtains preset negative
Pressure value, when the finished sand of required content of stone powder is made in Zhi Sha buildings, the negative pressure value for measuring pipeline air inlet 4-1 is designated as default negative pressure
Value.
Wherein it should be noted that the step of obtaining default negative pressure value can be located at after acquisition actual suction pressure value or it
Before, it is defaulted as before the step of compare actual suction pressure value and default negative pressure value, obtaining difference data.Wherein default negative pressure
Value can be measured by the operating procedure of the present embodiment, can also be pre-stored within the memory module of equipment, as air inlet aperture,
Corresponding pass between the parameters such as the granularity of initial material and the default negative pressure value corresponding to the Machine-made Sand of required content of stone powder
System, can store as above data, in actual use, directly select the default negative pressure value suitable for current working.
The method that negative pressure value is preset in this acquisition that the present embodiment provides is a kind of method of dynamic operation, instant survey
The content of stone flour in manufactured goods Machine-made Sand, and its corresponding negative pressure value and stored record, when content of stone powder meets to be taken,
Now corresponding negative pressure value is default negative pressure value.Default negative pressure value can have specific difference, such as air inlet according to different operating modes
Mouthful aperture, the granularity of initial material, in addition the use demand of specific content of stone powder can also influence default negative pressure value.
The method that negative pressure value is preset in this acquisition that the present embodiment provides is simple and easy to operate, easily in the short period of time
Obtain adapting to the default negative pressure value of current working, easily produce the mechanism that content of stone powder more accurately meets scheme requirement
Sand.
For further optimization above-mentioned technical proposal, preferable on the basis of above-described embodiment, above-mentioned Zhi Sha buildings air quantity is adjusted
It is described that the rotating speed of blower motor 6 is adjusted according to the difference data in section method, including：
According to VFC instruction corresponding to difference data generation, and frequency conversion instruction is sent to variable frequency adjustment module,
The rotating speed of blower motor 6 described in the variable frequency adjustment module variable frequency adjustment.
The technical scheme that the present embodiment provides the rotating speed of blower motor is adjusted by variable frequency adjustment module and whereby
Adjust content of stone powder.It is the AC power for power frequency supply being transformed into various frequencies that frequency conversion, which is adjusted, to realize that the speed change of motor is transported
OK, it has the low-loss advantage of high efficiency, high-performance, and speed governing responds the skill that timely speed governing effect is accurately adapted to the present invention
Art scheme.
For further optimization above-mentioned technical proposal, preferable on the basis of above-described embodiment, above-mentioned Zhi Sha buildings air quantity is adjusted
In section method, the operation for exciting the default negative pressure value of acquisition, including：Detect the action of regulation air inlet 4-1 apertures.
Wherein the discussion based on above example understands that the parameters such as air inlet aperture, the granularity of initial material can influence to produce
The content of stone powder for the Machine-made Sand that process obtains, therefore the default negative pressure value corresponding to its Machine-made Sand with required content of stone powder
Between there is also interactional relation, so carry out adjust air inlet aperture operation change air inlet structure when, preset negative
Corresponding change can occur for pressure value, so the technical scheme that this example provides, after the action of regulation air inlet aperture, is excited
The operation of default negative pressure value is obtained, default negative pressure value, to ensure in the dynamic process of production, total energy are obtained again through operation
Intake is provided to ensure can be made the machine that content of stone powder meets necessary requirement always to be best suitable for the amount of present behavior
Sand processed.
For further optimization above-mentioned technical proposal, preferable on the basis of above-described embodiment, above-mentioned Zhi Sha buildings air quantity is adjusted
In section method, the operation for exciting the default negative pressure value of acquisition, including：Detect and open the action that charging aperture is fed again.
With previous embodiment similarly, charging aperture is opened in the present embodiment and rejoins new a batch of material, it is new to add
Material granularity or the parameter such as density may be different with the material of last batch, and this can influence actual production, and order is pre-
If negative pressure value is varied from, so after unlatching charging aperture again charging action, the operation for obtaining default negative pressure value, weight are excited
Default negative pressure value newly is obtained by operating, can be with most suitable present behavior to ensure in the dynamic process of production
Amount provides intake to ensure that the satisfactory Machine-made Sand of content of stone powder can be made always.
For further optimization above-mentioned technical proposal, preferable on the basis of above-described embodiment, above-mentioned Zhi Sha buildings air quantity is adjusted
In section method, the firing command generates when receiving timing trigger module and sending timing signal, the timing trigger module
A timing signal is sent at interval of preset time.
The technical scheme that the present embodiment provides is provided with timing trigger module, and it possesses clocking capability, at interval of certain
Time generates a timing signal, sends out, and generates firing command after receiving timing signal, excites and obtain pipeline air inlet
Mouthful actual suction pressure value and its operation afterwards, this method can ensure to remain production in the production process of long period
The content of stone powder of the Machine-made Sand gone out levels off to standard value, is easy to monitoring in real time and carries out the adjustment of adaptability in real time, makes output
Machine-made Sand quality is more excellent.
Referring to Fig. 3, Fig. 3 is the schematic diagram of Zhi Sha buildings provided in an embodiment of the present invention blast regulation system.
Based on the Zhi Sha buildings air quantity adjusting method provided in above-described embodiment, present invention also offers a kind of Zhi Sha buildings air quantity
Regulating system, including：
Sensor assembly 3, signal piping air inlet 4-1 negative pressure value；
Rotational speed regulation module 2, the rotating speed of the control instruction regulation blower motor 6 of receive and control module 1；
Control module 1, communicated to connect with the sensor assembly 3 and the rotational speed regulation module 2, obtain sensor assembly
3 negative pressure values measured, and the acquisition difference data compared with default negative pressure value, accordingly generate control instruction control rotational speed regulation module
The 2 regulation rotating speeds of blower motor 6.
The Zhi Sha buildings blast regulation system can realize above-described embodiment Zhong Zhisha buildings air quantity adjusting method.So system
The beneficial effect of sand building blast regulation system refer to above-described embodiment, i.e., is detected by sensor assembly and change pipeline air inlet
The negative pressure value of position, by the control rotating speed of control module and rotational speed regulation module effectively to adjust the stone in the Machine-made Sand of output
The content of powder, the contrast of actual suction pressure value and default negative pressure value is realized by control module, and adjusted by rotational speed regulation module
Blower motor rotating speed changes the negative pressure value measured, makes actual suction pressure value level off to or be substantially equal to default negative pressure value, to make mechanism
Content of stone powder in sand levels off to or substantially equal to required specified content, to solve in the Machine-made Sand using prior art production
The uncontrollable grade of content of stone powder technical problem.
For further optimization above-mentioned technical proposal, preferable on the basis of above-described embodiment, above-mentioned Zhi Sha buildings air quantity is adjusted
In section system, the sensor assembly 3 is located at the position of material wind selection case 4 in Zhi Sha buildings, by the induced duct 5 for detecting Winnowing box 4
Static pressure and standard atmospheric pressure difference obtain negative pressure value.
Sensor assembly is arranged at the position of material wind selection case by the technical scheme that the present embodiment provides, can be with this position
The negative pressure value of pipeline air inlet is accurately measured, negative pressure value is big by the static pressure for the induced duct for detecting Winnowing box and standard
The mathematic interpolation of air pressure obtains.
For further optimization above-mentioned technical proposal, preferable on the basis of above-described embodiment, above-mentioned Zhi Sha buildings air quantity is adjusted
In section system, the rotational speed regulation module 2 includes variable frequency adjustment device, and the rotating speed of the blower motor 6 is adjusted by variable frequency adjustment.
The speed regulator of the present embodiment is variable frequency adjustment device, and rotating speed is adjusted using variable frequency adjustment device, is had following excellent
Gesture its：With high efficiency, the low-loss advantage of high-performance, and speed governing responds the skill that timely speed governing effect is accurately adapted to the present invention
Art scheme.
For further optimization above-mentioned technical proposal, preferable on the basis of above-described embodiment, above-mentioned Zhi Sha buildings air quantity is adjusted
In section system, the control module 1 includes PID controller.
PID control is that a kind of control mode the most frequently used in industrial production is applicable to carry out high-acruracy survey control
System, optimal pid control parameter can be gone out according to controlled device auto computing.It is applied particularly to PID in the technical scheme of the application
Controller can be realized effectively in certain stream time, to the sand building air quantity regulation system changed with each design parameter
The air inlet air quantity of system effectively dynamically continuously adjust, so that the content of stone powder in the Machine-made Sand of output is stable at demand
Value.
Fixed negative pressure value can be set as default negative pressure value in control module first, and can be needed to adjust finished product according to scene
The stone flour ratio of sand adjusts at any time；The PID control regulating guarantee stability of negative pressure.Rotational speed regulation module is received from control mould
The signal of block, the rotating speed of blower motor is adjusted in real time, change air quantity, stable negative pressure value；Motor speed is reduced, and air quantity is reduced, and is born
Pressure reduces；Motor speed raises, and air quantity increases, negative pressure increase；B/P EGR Back Pressure Transducer EGR monitors negative pressure in real time, and feeds back to control mould
Block.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
- A kind of 1. Zhi Sha buildings air quantity adjusting method, it is characterised in that including：Firing command is received, obtains the actual suction pressure value of pipeline air inlet；Compare actual suction pressure value and default negative pressure value, obtain difference data, the default negative pressure value be required content of stone powder into Negative pressure value corresponding to product sand；Blower motor rotating speed is adjusted according to the difference data.
- 2. Zhi Sha buildings air quantity adjusting method according to claim 1, it is characterised in that after the reception firing command, Also include：The operation of the default negative pressure value of acquisition is excited, obtains default negative pressure value, when the finished product of required content of stone powder is made in Zhi Sha buildings During sand, the negative pressure value for measuring pipeline air inlet is designated as default negative pressure value.
- 3. Zhi Sha buildings air quantity adjusting method according to claim 2, it is characterised in that described to be adjusted according to the difference data Blower motor rotating speed is saved, including：According to VFC instruction corresponding to difference data generation, and frequency conversion instruction is sent to variable frequency adjustment module, it is described Blower motor rotating speed described in variable frequency adjustment module variable frequency adjustment.
- 4. the Zhi Sha buildings air quantity adjusting method according to Claims 2 or 3, it is characterised in that described to excite acquisition preset negative The operation of pressure value, including：Detect the action of regulation air inlet aperture.
- 5. the Zhi Sha buildings air quantity adjusting method according to Claims 2 or 3, it is characterised in that described to excite acquisition preset negative The operation of pressure value, including：Detect and open the action that charging aperture is fed again.
- 6. Zhi Sha buildings air quantity adjusting method according to claim 1, it is characterised in that the firing command is receiving meter When trigger module generate when sending timing signal, the timing trigger module sends a timing signal at interval of preset time.
- A kind of 7. Zhi Sha buildings blast regulation system, it is characterised in that including：Sensor assembly, the negative pressure value of signal piping air inlet；Rotational speed regulation module, the rotating speed of the control instruction regulation blower motor of receive and control module；Control module, communicated to connect with the sensor assembly and the rotational speed regulation module, obtain what sensor assembly measured Negative pressure value, and the acquisition difference data compared with default negative pressure value, accordingly generate control instruction control rotational speed regulation module regulation and draw Wind turbine rotating speed.
- 8. Zhi Sha buildings according to claim 7 blast regulation system, it is characterised in that the sensor assembly is located at sand processed The material wind selection case position in building, negative pressure value is obtained by the static pressure for the induced duct for detecting Winnowing box and the difference of standard atmospheric pressure.
- 9. Zhi Sha buildings according to claim 7 blast regulation system, it is characterised in that the rotational speed regulation module includes becoming Frequency adjuster, the rotating speed of the blower motor is adjusted by variable frequency adjustment.
- 10. Zhi Sha buildings according to claim 7 blast regulation system, it is characterised in that the control module is controlled including PID Device processed.
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| CN201610697862.3A CN107755269A (en) | 2016-08-19 | 2016-08-19 | A kind of Zhi Sha buildings air quantity adjusting method and system |
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| CN201610697862.3A CN107755269A (en) | 2016-08-19 | 2016-08-19 | A kind of Zhi Sha buildings air quantity adjusting method and system |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002045795A (en) * | 2000-08-02 | 2002-02-12 | Mitsubishi Agricult Mach Co Ltd | Sorting apparatus |
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| CN101708067A (en) * | 2009-12-22 | 2010-05-19 | 广东中烟工业有限责任公司 | Method and device for separating cut tobacco in tobacco leaf dedusting system |
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Address after: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Applicant after: China Railway Construction Heavy Industry Group Co.,Ltd. Address before: 410100 No. 88 Dongqi Road, Jingkai District, Changsha City, Hunan Province Applicant before: China Railway Construction Heavy Industry Co.,Ltd. |
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Application publication date: 20180306 |