CN106382617A - Boiler industrial control system - Google Patents
Boiler industrial control system Download PDFInfo
- Publication number
- CN106382617A CN106382617A CN201611007961.0A CN201611007961A CN106382617A CN 106382617 A CN106382617 A CN 106382617A CN 201611007961 A CN201611007961 A CN 201611007961A CN 106382617 A CN106382617 A CN 106382617A
- Authority
- CN
- China
- Prior art keywords
- module
- boiler
- input
- output
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
- F22B35/18—Applications of computers to steam boiler control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
- F23N1/022—Regulating fuel supply conjointly with air supply using electronic means
Abstract
The invention belongs to the technical field of boiler control and particularly relates to a boiler industrial control system. An output end of a PID regulator is in output connection with an input end of a wind coal proportion module; another input end of the wind coal proportion module is in input connection with a thermal efficiency optimization module; the output end of the wind coal proportion module is in output connection with an input end of an air blasting driving module; the output end of the air blasting driving module is in output connection with an air blower; the air blower is in output connection with another input port of a boiler. The boiler industrial control system solves the problem in the prior art that the traditional boiler wastes energy source seriously because optimized automatic adjustment of a coal-air ratio is not provided and has the following beneficial effects: an optimized control function is realized, energy consumption is reduced, heat exchanging efficiency is improved, stability and precision of boiler control are improved, and the energy-saving efficiency is improved.
Description
Technical field
The invention belongs to Boiler Control field, more particularly, to a kind of industrial control system of boiler.
Background technology
Micro computer boiler controller is actively to absorb advanced foreign technology, and what bonded boiler controlled being actually needed and specifically should
With using modern computer CPU control technology, and the new-generation digital boiler computer controller listing is it is adaptable to steam boiler, warm
Homogeneous solution-type reactor, the automatically controlling of drinking water boiler, have reliability height, high degree of automation, easy to use, simple to operate, function rich
Rich, the advantages of control flexible, handsome in appearance, there is conventional boiler and automatically adjust wind coal due to what there is no optimization in prior art
The situation wasting the energy is than more serious problem for ratio.
Content of the invention
The present invention provides a kind of industrial control system of boiler, to solve to propose prior art presence in above-mentioned background technology
, due to not having the coal-air ratio that automatically adjusts of optimization, the situation wasting the energy is than more serious problem for conventional boiler.
Technical problem solved by the invention employs the following technical solutions to realize：A kind of industrial control system of boiler,
Give module including steam pressure, described steam pressure gives module output and is connected to the input that steam pressure compares module
End, the outfan output that described steam pressure compares module is connected to the input of PID regulator, described PID regulator defeated
Go out end output and be connected to the input of powder drive module, the described outfan output to powder drive module is connected to machine supplying powder,
Described machine supplying powder output is connected to an input port of boiler, and the outfan output of described PID regulator is connected to coal-air ratio example
One input of module, another input input of described coal-air ratio example module connects thermal efficiency preferred module, described wind
The outfan output of coal ratio module is connected to the input of air blast drive module, the outfan output of described air blast drive module
It is connected to aerator, described aerator output is connected to another input port of boiler.
Further, the delivery outlet of described boiler is connected to heat-exchange device.
Further, described boiler output feedback end through pressure transmitter feed back in steam pressure compare module another
Input.
Further, described include to powder frequency-variable module to powder drive module.
Further, described air blast drive module includes air blast frequency-variable module.
Beneficial effects of the present invention are：
1st, this patent gives module output using described steam pressure and is connected to the input that steam pressure compares module, institute
State steam pressure and compare the outfan output of module and be connected to the input of PID regulator, the outfan of described PID regulator is defeated
Go out to be connected to the input of powder drive module, the described outfan output to powder drive module is connected to machine supplying powder, described gives
The output of powder machine is connected to an input port of boiler, and the outfan output of described PID regulator is connected to coal-air ratio example module
One input, another input input of described coal-air ratio example module connects thermal efficiency preferred module, described coal-air ratio example
The outfan output of module is connected to the input of air blast drive module, and the outfan output of described air blast drive module is connected to
Aerator, described aerator output is connected to another input port of boiler, when using, due to not knowing steam generator system number
On the premise of learning model, coal-supplying amount can be automatically adjusted, automatically search the optimal blow rate required, and become in environmental condition
Change（Such as coal dust calorific value changes）When, automatically search new optimum operating condition, that is, there is adaptive ability, in this control
In system processed, controlled volume based on boiler pressure, does PID fortune with the departure of steam pressure set-point and actual measured value
Calculate, its operation result is used for adjusting coal-supplying amount, after coal-supplying amount determines, most preferably given by the online searching of step-searching optimizing algorithm
Air quantity it is achieved that the boiler implosion of best practice, the control function of optimization and reduce energy consumption.
2nd, this patent is connected to heat-exchange device using the delivery outlet of described boiler, because heat-exchange device can be by heat energy
Externally arbitrarily change, improve heat exchanger effectiveness.
3rd, this patent is fed back through pressure transmitter using the output feedback end of described boiler and compares module in steam pressure
Another input, controls due to using feedback closed loop, improves stability and the precision of boiler implosion.
4th, this patent includes to powder frequency-variable module using described to powder drive module, and described air blast drive module includes air blast
Frequency-variable module, because the application of frequency-variable module is so that the amount of feeding is effectively controlled, improves energy-saving efficiency simultaneously.
Brief description
Fig. 1 is a kind of function structure chart of the industrial control system of boiler of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is described further：
In figure：1- steam pressure gives module, and 2- steam pressure compares module, 3-PID actuator, and 4- is to powder drive module, 5-
Machine supplying powder, 6- boiler, 7- coal-air ratio example module, 8- thermal efficiency preferred module, 9- air blast drive module, 10- aerator, 11- heat
Switch（Not shown）, 12- pressure transmitter, 13- is to powder frequency-variable module, 14- air blast frequency-variable module.
Embodiment：
The present embodiment：As shown in figure 1, a kind of industrial control system of boiler 6, give module 1, described steam including steam pressure
Pressure gives module 1 output and is connected to the input that steam pressure compares module 2, and described steam pressure compares module 2
Outfan output is connected to the input of PID regulator 3, and the outfan output of described PID regulator 3 is connected to and drives mould to powder
The input of block 4, the described outfan output to powder drive module 4 is connected to machine supplying powder 5, and described machine supplying powder 5 output is connected to
One input port of boiler 6, the outfan output of described PID regulator 3 is connected to an input of coal-air ratio example module 7,
Described coal-air ratio example module 7 another input input connect thermal efficiency preferred module 8, described coal-air ratio example module 7 defeated
Go out the input that end output is connected to air blast drive module 9, the outfan output of described air blast drive module 9 is connected to aerator
10, described aerator 10 output is connected to another input port of boiler 6.
The delivery outlet of described boiler 6 is connected to heat-exchange device 11.
The output feedback end of described boiler 6 through pressure transmitter 12 feed back in steam pressure compare module 2 another is defeated
Enter end.
Described include to powder frequency-variable module 13 to powder drive module 4.
Described air blast drive module 9 includes air blast frequency-variable module 14.
Operation principle：
This patent gives module output by described steam pressure and is connected to the input that steam pressure compares module, described
The outfan that steam pressure compares module exports the input being connected to PID regulator, the outfan output of described PID regulator
Be connected to the input of powder drive module, described to powder drive module outfan output be connected to machine supplying powder, described to powder
Machine output is connected to an input port of boiler, and the outfan output of described PID regulator is connected to the one of coal-air ratio example module
Individual input, another input input of described coal-air ratio example module connects thermal efficiency preferred module, described coal-air ratio example mould
The outfan output of block is connected to the input of air blast drive module, and the outfan output of described air blast drive module is connected to drum
Blower fan, described aerator output is connected to another input port of boiler, when using, due to not knowing steam generator system mathematics
On the premise of model, coal-supplying amount can be automatically adjusted, automatically search the optimal blow rate required, and change in environmental condition
（Such as coal dust calorific value changes）When, automatically search new optimum operating condition, that is, there is adaptive ability, in this control
In system, controlled volume based on boiler pressure, does PID fortune with the departure of steam pressure set-point and actual measured value
Calculate, its operation result is used for adjusting coal-supplying amount, after coal-supplying amount determines, most preferably given by the online searching of step-searching optimizing algorithm
It is achieved that the boiler implosion of best practice, the present invention solves prior art and there is conventional boiler due to not having optimization air quantity
Automatically adjust coal-air ratio, waste the situation of the energy than more serious problem, have optimization control function and reduce energy consumption,
Improve heat exchanger effectiveness, the stability that improve boiler implosion and precision, improve the Advantageous Effects of energy-saving efficiency.
Using technical scheme, or those skilled in the art, under the inspiration of technical solution of the present invention, designs
Go out similar technical scheme, and reach above-mentioned technique effect, all fall into protection scope of the present invention.
Claims (5)
1. a kind of industrial control system of boiler gives module it is characterised in that including steam pressure, and described steam pressure gives
Module output is connected to the input that steam pressure compares module, and described steam pressure compares the outfan output of module even
It is connected to the input of PID regulator, the outfan output of described PID regulator is connected to the input of powder drive module, institute
State the outfan output to powder drive module and be connected to machine supplying powder, described machine supplying powder output is connected to an input port of boiler,
The outfan output of described PID regulator is connected to an input of coal-air ratio example module, described coal-air ratio example module another
One input input connects thermal efficiency preferred module, and the outfan output of described coal-air ratio example module is connected to air blast and drives mould
The input of block, the outfan output of described air blast drive module is connected to aerator, and described aerator output is connected to boiler
Another input port.
2. a kind of industrial control system of boiler according to claim 1 is it is characterised in that the delivery outlet of described boiler connects
It is connected to heat-exchange device.
3. a kind of industrial control system of boiler according to claim 1 is it is characterised in that the output of described boiler is fed back
Another input comparing module in steam pressure is fed back, through pressure transmitter, in end.
4. a kind of boiler according to claim 1 industrial control system it is characterised in that described to powder drive module bag
Include to powder frequency-variable module.
5. a kind of industrial control system of boiler according to claim 1 is it is characterised in that described air blast drive module bag
Include air blast frequency-variable module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611007961.0A CN106382617A (en) | 2016-11-16 | 2016-11-16 | Boiler industrial control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611007961.0A CN106382617A (en) | 2016-11-16 | 2016-11-16 | Boiler industrial control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106382617A true CN106382617A (en) | 2017-02-08 |
Family
ID=57958638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611007961.0A Pending CN106382617A (en) | 2016-11-16 | 2016-11-16 | Boiler industrial control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106382617A (en) |
-
2016
- 2016-11-16 CN CN201611007961.0A patent/CN106382617A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170208 |