CN110345098A - Kiln head exhaust fan air quantity Automatic adjustment method, device, system, equipment and medium - Google Patents
Kiln head exhaust fan air quantity Automatic adjustment method, device, system, equipment and medium Download PDFInfo
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- CN110345098A CN110345098A CN201910535487.6A CN201910535487A CN110345098A CN 110345098 A CN110345098 A CN 110345098A CN 201910535487 A CN201910535487 A CN 201910535487A CN 110345098 A CN110345098 A CN 110345098A
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- kiln head
- exhaust fan
- air quantity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a kind of kiln head exhaust fan air quantity Automatic adjustment method, device, system, equipment and medium, building kiln head exhaust fan air quantity first adjusts model；Before carrying out air quantity adjusting to kiln head exhaust fan, frequency converter revolving speed a reference value, kiln head cover negative pressure a reference value and the adjustment factor of setting exhaust blower connection；When carrying out air quantity adjusting to kiln head exhaust fan, kiln head cover negative pressure is obtained in real time, according to each parameter value of above-mentioned setting, model is adjusted by kiln head exhaust fan air quantity, and the connected frequency converter rotational speed regulation value of kiln head exhaust fan is calculated, then corresponding rotary speed regulating signal is generated according to rotational speed regulation value, and is sent to the connected frequency converter of kiln head exhaust fan；The present invention can in real time, accurately realize the automatic adjustment to kiln head exhaust fan air quantity, reduce the work load of operator, and substantially increase the adjusting efficiency of kiln head exhaust fan air quantity.
Description
Technical field
The present invention relates to new type dry kiln production technical fields, in particular to a kind of kiln head exhaust fan air quantity automatic adjustment side
Method, device, system, equipment and medium.
Background technique
In new type dry kiln production process, wind, coal, material and kiln speed are four generally acknowledged big operational elements, wherein with wind problem
It is most important, and control parameter the most complicated.System is larger with wind parameter, the slight change of some portion structure size,
Or the influence of external factor (such as buildup, skinning and leak out), it can all be changed using wind condition, to the production matter of kiln system
Amount, electric heating consumption have a negative impact, and control manipulation difficulty is larger in actual production process.
New type dry kiln uses DCS control system, and in the prior art, operator is adjusted manually by monitoring kiln head cover negative pressure
Whole kiln head exhaust fan revolving speed controls negative pressure value at -50pa (± 20pa), realizes into kiln air quantity and enters the flat of the big cloth bag air quantity of kiln hood
Weighing apparatus will consider that grate-cooler thickness of feed layer, grate-cooler fan delivery increase bring shadow while adjusting kiln head exhaust fan revolving speed
It rings, brings biggish workload to operator.According to conventional method, when the grate-cooler bed of material is thinning or thickens, when increase is combed
Cold fan delivery or reduce grate-cooler fan delivery and when kiln tail air quantity variation when, operator will frequently adjust kiln hood row
Rotation speed of fan brings great workload, the biggish energy of scatter operation person to operator；If operator is to kiln head cover negative pressure tune
Section not in time, will affect into kiln air quantity and firer's condition.
Traditional PID controller is made of proportional unit (P), integral unit (I) and differentiation element (D), not because of PID control
Has the control strategy of good dynamic quality, closed-loop dynamic quality is very sensitive to the variation of PID gain, so working as controlled device
When in the environment often changed, PID control is with regard to unsuitable；It facts have proved that PID control is not suitable for kiln head exhaust fan and turns
Speed automatic adjustment.
Summary of the invention
The first object of the present invention is the shortcomings that overcoming the prior art and insufficient, provide a kind of kiln head exhaust fan air quantity from
Dynamic adjusting method, this method can in real time, accurately be realized to the automatic adjustment of kiln head exhaust fan air quantity, reduce operator's
Work load improves the adjusting efficiency of kiln head exhaust fan air quantity.
The second object of the present invention is to provide a kind of kiln head exhaust fan quantity automatic adjusting device of air.
The third object of the present invention is to provide a kind of kiln head exhaust fan air quantity automatic regulating system.
The fourth object of the present invention is to provide a kind of calculating equipment.
The fifth object of the present invention is to provide a kind of storage medium.
The first object of the present invention is achieved through the following technical solutions: a kind of kiln head exhaust fan air quantity Automatic adjustment method,
Steps are as follows:
Frequency converter revolving speed a reference value SP, the kiln head cover negative pressure a reference value P2, adjustment factor connected according to kiln head exhaust fan
SET and kiln head cover negative pressure P1 building kiln head exhaust fan air quantity adjusts model；
It is directed to the kiln head exhaust fan of air quantity to be adjusted, sets the frequency converter revolving speed a reference value SP of its connection；It is directed to and wants
Kiln hood where adjusting the exhaust blower of air quantity sets kiln head cover negative pressure a reference value P2；Set adjustment factor SET；
Kiln hood where being directed to the exhaust blower of air quantity to be adjusted obtains kiln head cover negative pressure P1 in real time；Then it is set according to above-mentioned
Fixed frequency converter revolving speed a reference value SP, kiln head cover negative pressure a reference value P2 and adjustment factor SET, are adjusted by kiln head exhaust fan air quantity
The connected frequency converter rotational speed regulation value S of kiln head exhaust fan is calculated in model；
Model is adjusted according to kiln head exhaust fan air quantity, and the corresponding rotational speed regulation of frequency converter rotational speed regulation value S generation is calculated
Signal, and it is sent to the frequency converter that kiln head exhaust fan is connected.
Preferably, constructed kiln head exhaust fan air quantity adjusts model are as follows:
Wherein S connects frequency converter rotational speed regulation value by kiln head exhaust fan.
Further, kiln head cover negative pressure a reference value P2 is set as -30 ± 5Pa.
Further, adjustment factor is set as 0.7, is directed to the kiln head exhaust fan of air quantity to be adjusted, is set its connection
Frequency converter revolving speed a reference value SP be 600 revs/min.
The second object of the present invention is achieved through the following technical solutions: a kind of kiln head exhaust fan quantity automatic adjusting device of air,
Include:
Model construction module, the frequency converter revolving speed a reference value SP for being connected according to kiln head exhaust fan, kiln head cover negative pressure
A reference value P2, adjustment factor SET and kiln head cover negative pressure P1 building kiln head exhaust fan air quantity adjust model；
First setting module sets the frequency converter revolving speed of its connection for being directed to the kiln head exhaust fan of air quantity to be adjusted
A reference value SP；
Second setting module sets kiln head cover negative pressure benchmark for kiln hood where being directed to the exhaust blower of air quantity to be adjusted
Value P2；
Third setting module, for setting adjustment factor SET；
Module is obtained, for kiln hood where being directed to the exhaust blower of air quantity to be adjusted, obtains kiln head cover negative pressure P1 in real time；
Computing module, for being according to frequency converter revolving speed a reference value SP, the kiln head cover negative pressure a reference value P2 and adjusting of setting
Number SET adjusts model by kiln head exhaust fan air quantity and the connected frequency converter rotational speed regulation value S of kiln head exhaust fan is calculated；
Frequency converter revolving speed is calculated for adjusting model according to kiln head exhaust fan air quantity in rotary speed regulating signal generation module
Regulated value S generates corresponding rotary speed regulating signal, and is sent to the connected frequency converter of kiln head exhaust fan.
Preferably, kiln head exhaust fan air quantity constructed by model construction module adjusts model are as follows:
Wherein S connects frequency converter rotational speed regulation value by kiln head exhaust fan.
The third object of the present invention is achieved through the following technical solutions: a kind of kiln head exhaust fan air quantity automatic regulating system,
Including controller and the baroceptor of kiln head cover is set；
The baroceptor connects controller, is used for real-time detection kiln head cover negative pressure P1, and will test kiln head cover
Negative pressure P1 sends controller to；
The controller connects the connected frequency converter of kiln head exhaust fan, for executing kiln head exhaust fan described in embodiment 1
Air quantity Automatic adjustment method.
Preferably, the controller connects alarm.
The fourth object of the present invention is achieved through the following technical solutions: a kind of calculating equipment, including processor and is used for
The memory of storage processor executable program realizes the present invention first when the processor executes the program of memory storage
Kiln head exhaust fan air quantity Automatic adjustment method described in purpose.
The fifth object of the present invention is achieved through the following technical solutions: a kind of storage medium, is stored with program, and feature exists
In, when described program is executed by processor, kiln head exhaust fan air quantity Automatic adjustment method described in realization an object of the present disclosure.
The present invention has the following advantages and effects with respect to the prior art:
(1) kiln head exhaust fan air quantity Automatic adjustment method of the present invention, the frequency converter connected first according to kiln head exhaust fan
Revolving speed a reference value SP, kiln head cover negative pressure a reference value P2, adjustment factor SET and kiln head cover negative pressure P1 construct kiln head exhaust fan air quantity
Adjust model；Before carrying out air quantity adjusting to kiln head exhaust fan, the frequency converter revolving speed a reference value of exhaust blower connection is set first
SP, kiln head cover negative pressure a reference value P2 and adjustment factor SET；When carrying out air quantity adjusting to kiln head exhaust fan, kiln is obtained in real time
Head-shield negative pressure P1, according to the frequency converter revolving speed a reference value SP of above-mentioned setting, kiln head cover negative pressure a reference value P2 and adjustment factor SET,
Model is adjusted by kiln head exhaust fan air quantity, the connected frequency converter rotational speed regulation value S of kiln head exhaust fan is calculated, then basis
Rotational speed regulation value S generates corresponding rotary speed regulating signal, and is sent to the connected frequency converter of kiln head exhaust fan.By it is above-mentioned can
See, in the present invention, frequency converter rotational speed regulation value S be directed to by kiln head exhaust fan air quantity adjusting model in real time and is calculated,
It is rotated so that frequency converter can control exhaust blower motor according to corresponding revolving speed, realizes the automatic adjustment of air draft fan delivery,
It can in real time, accurately realize the automatic adjustment to kiln head exhaust fan air quantity, reduce the work load of operator, and significantly
Improve the adjusting efficiency of kiln head exhaust fan air quantity.
(2) in kiln head exhaust fan air quantity Automatic adjustment method of the present invention, constructed kiln head exhaust fan air quantity adjusts model
For S=SP- (P1-P2)/SET, by above-mentioned model it is found that the method for the present invention presses kiln head exhaust fan revolving speed and kiln head cover directly
Adjusting relationship can according to model preset condition after getting real-time kiln head cover negative pressure P1 similar to a first-order equation
Parameter (frequency converter rotational speed regulation value) real-time conditions are carried out, are not influenced by operator's experience；According further to above-mentioned model
It is found that the method for the present invention makes kiln hood Boiler pressure control in a reference range by adjusting kiln head cover negative pressure a reference value P2, reduce
The fluctuation of systematic air flow；And it can change the amplitude of rotational speed regulation value S by the setting of adjustment factor, there is flexible adjustment
And the advantage that applicability is wide.
(3) in kiln head exhaust fan air quantity automatic regulating system of the present invention, for executing the automatic adjustment of kiln head exhaust fan air quantity
The controller of method is also connected with alarm, carries out alert operation by alarm, such as when the kiln head cover negative pressure got in real time
When P1 is more than certain threshold value, controller can drive alarm to alarm, and operator is reminded to check abnormal conditions.
Detailed description of the invention
Fig. 1 is kiln head exhaust fan air quantity Automatic adjustment method flow chart of the present invention.
Fig. 2 is kiln head exhaust fan air quantity automatic regulating system structural block diagram of the present invention.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment 1
Present embodiment discloses a kind of kiln head exhaust fan air quantity Automatic adjustment methods, apply the row in new type dry kiln kiln hood
On blower, as shown in Figure 1, steps are as follows:
Step S1, frequency converter revolving speed a reference value SP, kiln head cover negative pressure a reference value P2, the tune connected according to kiln head exhaust fan
It saves coefficient S ET and kiln head cover negative pressure P1 building kiln head exhaust fan air quantity and adjusts model；In the present embodiment, the kiln hood row of building
Fan delivery adjusts model are as follows:
Wherein S connects frequency converter rotational speed regulation value by kiln head exhaust fan.
Step S2, it is directed to the kiln head exhaust fan of air quantity to be adjusted, sets the frequency converter revolving speed a reference value SP of its connection；Needle
For kiln hood where the exhaust blower of air quantity to be adjusted, kiln head cover negative pressure a reference value P2 is set；Set adjustment factor SET.In this reality
Apply in example, kiln head cover negative pressure a reference value P2 can be set as -30 ± 5Pa, adjustment factor 0.7, wherein kiln head cover negative pressure often on
7Pa is risen, then improves 10 revs/min of kiln head exhaust fan revolving speed.It is directed to the kiln head exhaust fan of air quantity to be adjusted, its company can be set
The frequency converter revolving speed a reference value SP connect is 600 revs/min.Above-mentioned setting value, can be raw according to new type dry kiln by operator
Production. art actual conditions are set.
Step S3, kiln hood where being directed to the exhaust blower of air quantity to be adjusted obtains kiln head cover negative pressure P1 in real time；Then basis
Frequency converter revolving speed a reference value SP, kiln head cover the negative pressure a reference value P2 and adjustment factor SET of above-mentioned setting, pass through kiln head exhaust fan wind
Amount adjusts model and the connected frequency converter rotational speed regulation value S of kiln head exhaust fan is calculated；
Step S4, model is adjusted according to kiln head exhaust fan air quantity and frequency converter rotational speed regulation value S generation is calculated accordingly
Rotary speed regulating signal, and be sent to the frequency converter that kiln head exhaust fan is connected, so that frequency converter revolving speed based on the received
Adjustment signal control exhaust blower motor is rotated according to corresponding revolving speed, to realize the automatic adjustment of air draft fan delivery.
Those of ordinary skill in the art will appreciate that implement the method for the above embodiments be can be with
Relevant hardware is instructed to complete by program, corresponding program can be stored in a computer readable storage medium,
The storage medium, such as ROM/RAM, disk or CD.
Embodiment 2
Present embodiment discloses a kind of kiln head exhaust fan quantity automatic adjusting device of air, including model construction module, first set
Cover half block, third setting module, obtains module, computing module and rotary speed regulating signal generation module, each mould at the second setting module
Each function of block is as follows:
Model construction module, the frequency converter revolving speed a reference value SP for being connected according to kiln head exhaust fan, kiln head cover negative pressure
A reference value P2, adjustment factor SET and kiln head cover negative pressure P1 building kiln head exhaust fan air quantity adjust model；
In the present embodiment, the kiln head exhaust fan air quantity of model construction module building adjusts model are as follows:
Wherein S connects frequency converter rotational speed regulation value by kiln head exhaust fan.
First setting module sets the frequency converter revolving speed of its connection for being directed to the kiln head exhaust fan of air quantity to be adjusted
A reference value SP；In the present embodiment, operator sets frequency converter revolving speed base according to new type dry kiln production technology actual conditions
Quasi- value SP.
Second setting module sets kiln head cover negative pressure benchmark for kiln hood where being directed to the exhaust blower of air quantity to be adjusted
Value P2；
Third setting module, for setting adjustment factor SET, wherein the setting of adjustment factor SET can change revolving speed tune
The amplitude of section value S, operator can set adjustment factor SET according to new type dry kiln production technology actual conditions, so that kiln
Head air draft fan delivery is adjusted according to corresponding amplitude every time.For example, when setting adjustment factor SET in the present embodiment as 0.7,
The every rising 7Pa of kiln head cover negative pressure, then improve 10 revs/min of kiln head exhaust fan revolving speed.
Module is obtained, for kiln hood where being directed to the exhaust blower of air quantity to be adjusted, obtains kiln head cover negative pressure P1 in real time；Its
The detection of middle kiln head cover negative pressure P1 can be realized by the way that the baroceptor of kiln head cover is arranged in.
Computing module, for being according to frequency converter revolving speed a reference value SP, the kiln head cover negative pressure a reference value P2 and adjusting of setting
Number SET adjusts model by kiln head exhaust fan air quantity and the connected frequency converter rotational speed regulation value S of kiln head exhaust fan is calculated；
Frequency converter revolving speed is calculated for adjusting model according to kiln head exhaust fan air quantity in rotary speed regulating signal generation module
Regulated value S generates corresponding rotary speed regulating signal, and is sent to the connected frequency converter of kiln head exhaust fan so that frequency converter according to
Received rotary speed regulating signal control exhaust blower motor is rotated according to corresponding revolving speed, to realize air draft fan delivery
Automatic adjustment.
It should be noted that system provided by the above embodiment is only illustrated with the division of above-mentioned each functional module
Illustrate, in practical applications, can according to need and be completed by different functional modules above-mentioned function distribution, i.e., by internal junction
Structure is divided into different functional modules, to complete all or part of the functions described above.
It is appreciated that term " first ", " second " used in the system of above-described embodiment etc. can be used for describing various lists
Member, but these units should not be limited by these terms.These terms are only used to distinguish first module and another module.Citing
For, without departing from the scope of the invention, the first setting module can be known as the second setting module, and similar
Second setting module can be known as the first setting module by ground.
Embodiment 3
Present embodiment discloses a kind of kiln head exhaust fan air quantity automatic regulating systems, as shown in Fig. 2, include controller and
The baroceptor of kiln head cover is set；Wherein:
Baroceptor connects controller, is used for real-time detection kiln head cover negative pressure P1, and will test kiln head cover negative pressure
P1 sends controller to；In the present embodiment, Siemens MF44331BA222AB6Z can be used in baroceptor, the air pressure transmission
The range of sensor: -100 to 100pa.
Controller connects the connected frequency converter of kiln head exhaust fan, for executing kiln head exhaust fan air quantity described in embodiment 1
Automatic adjustment method is as follows:
Frequency converter revolving speed a reference value SP, the kiln head cover negative pressure a reference value P2, adjustment factor connected according to kiln head exhaust fan
SET and kiln head cover negative pressure P1 building kiln head exhaust fan air quantity adjusts model；
It is directed to the kiln head exhaust fan of air quantity to be adjusted, sets the frequency converter revolving speed a reference value SP of its connection；It is directed to and wants
Kiln hood where adjusting the exhaust blower of air quantity sets kiln head cover negative pressure a reference value P2；Set adjustment factor SET；
Kiln hood where being directed to the exhaust blower of air quantity to be adjusted obtains kiln head cover negative pressure P1 in real time；Then it is set according to above-mentioned
Fixed frequency converter revolving speed a reference value SP, kiln head cover negative pressure a reference value P2 and adjustment factor SET, are adjusted by kiln head exhaust fan air quantity
The connected frequency converter rotational speed regulation value S of kiln head exhaust fan is calculated in model；
Model is adjusted according to kiln head exhaust fan air quantity, and the corresponding rotational speed regulation of frequency converter rotational speed regulation value S generation is calculated
Signal, and it is sent to the connected frequency converter of kiln head exhaust fan, so that frequency converter rotary speed regulating signal control based on the received
Exhaust blower motor processed is rotated according to corresponding revolving speed, to realize the automatic adjustment of air draft fan delivery.
In the present embodiment, controller can be the device that PLC, single-chip microcontroller, DSP, MCU etc. have control and processing function
Part.
In the present embodiment, controller is connected with input equipment and display, needs to set by input equipment input
Frequency converter revolving speed a reference value SP, kiln head cover negative pressure a reference value P2 and adjustment factor SET.Wherein input equipment can be keyboard etc. and set
It is standby.
In the present embodiment, controller is connected with alarm, and wherein alarm can be combined aural and visual alarm.Controller obtains
When to kiln head cover negative pressure P1, it is compared with threshold value, if being more than threshold value, drives combined aural and visual alarm to alarm, to mention
The operator that wakes up checks abnormal conditions.
In the present embodiment, combined aural and visual alarm may include buzzer connected to the controller and LED light.
Embodiment 4
Present embodiment discloses a kind of calculating equipment, including processor and depositing for storage processor executable program
Reservoir, which is characterized in that when the processor executes the program of memory storage, realize kiln head exhaust fan described in embodiment 1
Air quantity Automatic adjustment method is as follows:
Frequency converter revolving speed a reference value SP, the kiln head cover negative pressure a reference value P2, adjustment factor connected according to kiln head exhaust fan
SET and kiln head cover negative pressure P1 building kiln head exhaust fan air quantity adjusts model；
It is directed to the kiln head exhaust fan of air quantity to be adjusted, sets the frequency converter revolving speed a reference value SP of its connection；It is directed to and wants
Kiln hood where adjusting the exhaust blower of air quantity sets kiln head cover negative pressure a reference value P2；Set adjustment factor SET；
Kiln hood where being directed to the exhaust blower of air quantity to be adjusted obtains kiln head cover negative pressure P1 in real time；Then it is set according to above-mentioned
Fixed frequency converter revolving speed a reference value SP, kiln head cover negative pressure a reference value P2 and adjustment factor SET, are adjusted by kiln head exhaust fan air quantity
The connected frequency converter rotational speed regulation value S of kiln head exhaust fan is calculated in model；
Model is adjusted according to kiln head exhaust fan air quantity, and the corresponding rotational speed regulation of frequency converter rotational speed regulation value S generation is calculated
Signal, and it is sent to the connected frequency converter of kiln head exhaust fan, so that frequency converter rotary speed regulating signal control based on the received
Exhaust blower motor processed is rotated according to corresponding revolving speed, to realize the automatic adjustment of air draft fan delivery.
Storage medium described in the present embodiment can be the media such as ROM, RAM, disk, CD.
Embodiment 5
Present embodiment discloses a kind of storage mediums, are stored with program, when described program is executed by processor, realizes and implement
Kiln head exhaust fan air quantity Automatic adjustment method described in example 1 is as follows:
Frequency converter revolving speed a reference value SP, the kiln head cover negative pressure a reference value P2, adjustment factor connected according to kiln head exhaust fan
SET and kiln head cover negative pressure P1 building kiln head exhaust fan air quantity adjusts model；
It is directed to the kiln head exhaust fan of air quantity to be adjusted, sets the frequency converter revolving speed a reference value SP of its connection；It is directed to and wants
Kiln hood where adjusting the exhaust blower of air quantity sets kiln head cover negative pressure a reference value P2；Set adjustment factor SET；
Kiln hood where being directed to the exhaust blower of air quantity to be adjusted obtains kiln head cover negative pressure P1 in real time；Then it is set according to above-mentioned
Fixed frequency converter revolving speed a reference value SP, kiln head cover negative pressure a reference value P2 and adjustment factor SET, are adjusted by kiln head exhaust fan air quantity
The connected frequency converter rotational speed regulation value S of kiln head exhaust fan is calculated in model；
Model is adjusted according to kiln head exhaust fan air quantity, and the corresponding rotational speed regulation of frequency converter rotational speed regulation value S generation is calculated
Signal, and it is sent to the connected frequency converter of kiln head exhaust fan, so that frequency converter rotary speed regulating signal control based on the received
Exhaust blower motor processed is rotated according to corresponding revolving speed, to realize the automatic adjustment of air draft fan delivery.
It is hand-held eventually that calculating equipment described in the present embodiment can be desktop computer, laptop, smart phone, PDA
End, tablet computer or other terminal devices with input function.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of kiln head exhaust fan air quantity Automatic adjustment method, which is characterized in that steps are as follows:
The frequency converter revolving speed a reference value SP that is connected according to kiln head exhaust fan, kiln head cover negative pressure a reference value P2, adjustment factor SET with
And kiln head cover negative pressure P1 building kiln head exhaust fan air quantity adjusts model；
It is directed to the kiln head exhaust fan of air quantity to be adjusted, sets the frequency converter revolving speed a reference value SP of its connection；Being directed to will be adjusted
Kiln hood where the exhaust blower of air quantity sets kiln head cover negative pressure a reference value P2；Set adjustment factor SET；
Kiln hood where being directed to the exhaust blower of air quantity to be adjusted obtains kiln head cover negative pressure P1 in real time；Then according to above-mentioned setting
Frequency converter revolving speed a reference value SP, kiln head cover negative pressure a reference value P2 and adjustment factor SET adjust model by kiln head exhaust fan air quantity
The connected frequency converter rotational speed regulation value S of kiln head exhaust fan is calculated；
Model is adjusted according to kiln head exhaust fan air quantity, and the corresponding rotational speed regulation letter of frequency converter rotational speed regulation value S generation is calculated
Number, and it is sent to the frequency converter that kiln head exhaust fan is connected.
2. kiln head exhaust fan air quantity Automatic adjustment method according to claim 1, which is characterized in that constructed kiln hood row
Fan delivery adjusts model are as follows:
Wherein S connects frequency converter rotational speed regulation value by kiln head exhaust fan.
3. kiln head exhaust fan air quantity Automatic adjustment method according to claim 2, which is characterized in that setting kiln head cover negative pressure
A reference value P2 is -30 ± 5Pa.
4. kiln head exhaust fan air quantity Automatic adjustment method according to claim 2, which is characterized in that set adjustment factor as
0.7, it is directed to the kiln head exhaust fan of air quantity to be adjusted, sets the frequency converter revolving speed a reference value SP of its connection as 600 revs/min.
5. a kind of kiln head exhaust fan quantity automatic adjusting device of air characterized by comprising
Model construction module, frequency converter revolving speed a reference value SP, kiln head cover negative pressure benchmark for being connected according to kiln head exhaust fan
Value P2, adjustment factor SET and kiln head cover negative pressure P1 building kiln head exhaust fan air quantity adjust model；
First setting module sets the frequency converter revolving speed benchmark of its connection for being directed to the kiln head exhaust fan of air quantity to be adjusted
Value SP；
Second setting module sets kiln head cover negative pressure a reference value P2 for kiln hood where being directed to the exhaust blower of air quantity to be adjusted；
Third setting module, for setting adjustment factor SET；
Module is obtained, for kiln hood where being directed to the exhaust blower of air quantity to be adjusted, obtains kiln head cover negative pressure P1 in real time；
Computing module, for frequency converter revolving speed a reference value SP, kiln head cover negative pressure a reference value P2 and the adjustment factor according to setting
SET adjusts model by kiln head exhaust fan air quantity and the connected frequency converter rotational speed regulation value S of kiln head exhaust fan is calculated；
Frequency converter rotational speed regulation is calculated for adjusting model according to kiln head exhaust fan air quantity in rotary speed regulating signal generation module
Value S generates corresponding rotary speed regulating signal, and is sent to the connected frequency converter of kiln head exhaust fan.
6. kiln head exhaust fan quantity automatic adjusting device of air according to claim 5, which is characterized in that model construction module institute
The kiln head exhaust fan air quantity of building adjusts model are as follows:
Wherein S connects frequency converter rotational speed regulation value by kiln head exhaust fan.
7. a kind of kiln head exhaust fan air quantity automatic regulating system, which is characterized in that including controller and kiln head cover is arranged in
Baroceptor；
The baroceptor connects controller, is used for real-time detection kiln head cover negative pressure P1, and will test kiln head cover negative pressure
P1 sends controller to；
The controller connects the connected frequency converter of kiln head exhaust fan, for kiln described in any one of perform claim requirement 1~4
Head air draft fan delivery Automatic adjustment method.
8. kiln head exhaust fan air quantity automatic regulating system according to claim 7, which is characterized in that the controller connection
Alarm.
9. a kind of calculating equipment, including processor and for the memory of storage processor executable program, which is characterized in that
When the processor executes the program of memory storage, realize the described in any item kiln head exhaust fan air quantity of Claims 1 to 4 certainly
Dynamic adjusting method.
10. a kind of storage medium, is stored with program, which is characterized in that when described program is executed by processor, realize claim
1~4 described in any item kiln head exhaust fan air quantity Automatic adjustment methods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910535487.6A CN110345098A (en) | 2019-06-20 | 2019-06-20 | Kiln head exhaust fan air quantity Automatic adjustment method, device, system, equipment and medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910535487.6A CN110345098A (en) | 2019-06-20 | 2019-06-20 | Kiln head exhaust fan air quantity Automatic adjustment method, device, system, equipment and medium |
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| CN110345098A true CN110345098A (en) | 2019-10-18 |
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Citations (5)
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