CN110155657A - Rubbish travelling speed control device and method in a kind of waste incineration and generating electricity - Google Patents
Rubbish travelling speed control device and method in a kind of waste incineration and generating electricity Download PDFInfo
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- CN110155657A CN110155657A CN201910422749.8A CN201910422749A CN110155657A CN 110155657 A CN110155657 A CN 110155657A CN 201910422749 A CN201910422749 A CN 201910422749A CN 110155657 A CN110155657 A CN 110155657A
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- Prior art keywords
- rubbish
- carrier bar
- speed control
- generating electricity
- waste incineration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides rubbish travelling speed control device and methods in a kind of waste incineration and generating electricity, including data collection station, dcs (DCS), monitoring computer, chain board motor etc..The process of rubbish travelling speed control method are as follows: (1) data collection station measures the rubbish thickness transported on carrier bar, sends monitoring computer fitting rubbish section configuration to, calculates garbage bulk, and shows；(2) monitoring computer judges junk traffic current on carrier bar according to rubbish section configuration and bulking value, sets reasonable motor speed value, passes to DCS；(3) DCS adjusts the speed that carrier bar transports rubbish according to motor speed setting value, Quality Initiative board motor.
Description
Technical field
The present invention relates to ultrasound examination and Motor Control Field, in particular to rubbish transports in a kind of waste incineration and generating electricity
Speed control unit and method.
Background technique
Waste incineration and generating electricity is a kind of effective means for handling rubbish, during rubbish enters high temperature furnace burning, is needed
The flow to transport rubbish to carrier bar is rationally controlled.Once there is bulk accumulation, the rubbish in incinerator does not fill burning
Point, energy conversion rate can be not only reduced, but also toxic and harmful gas, such as HCl, SO can be generated2、NOxDeng.Therefore it surveys in real time
The garbage bulk in transporting is measured, so that the rubbish efficiently controlled on feeding inlet carrier bar launches speed, there is certain reality to answer
With value.
Traditional mode is the rubbish body accumulated amount observed on carrier bar by artificial eye, adjusts the speed of chain board motor, makes
The junk traffic that incinerator must be entered is uniform as far as possible, and which automatization level is low, and visually observes and be easy fatigue and cause to miss
The generation of operation.
Summary of the invention
Technical problem to be solved by the invention is to provide rubbish travelling speed control devices in a kind of waste incineration and generating electricity
And method, it is intended to which the waste for solving human resources improves the automation and safety of garbage burning factory.The present invention is controlled using CPLD
Multichannel ultrasonic signal processed measures the thickness information of rubbish section on carrier bar simultaneously, and thickness information is sent to monitoring by Serial Port Line
Computer.Monitoring computer draws rubbish section configuration and estimates garbage bulk, judges junk traffic current on carrier bar, and setting is closed
The motor speed value of reason, passes to DCS system.DCS system adjusts carrier bar according to motor speed setting value, Quality Initiative board motor
Transport the speed of rubbish.Technical solution is as follows:
Rubbish travelling speed control device in a kind of waste incineration and generating electricity, described device include data collection station, distribution
Formula control system (DCS), monitoring computer, chain board motor.
The data, which are adopted terminal and sent data to, connects monitoring computer, and the monitoring computer passes through motor speed setting control
Dcs, the dcs Quality Initiative board motor adjust the speed that carrier bar transports rubbish.
Data collection station includes ultrasonic array, CPLD controller, Serial Port Line.Ultrasonic array is received by N number of ultrasonic wave
Sending out device HC-SR04, linearly, equidistantly (spacing d) is rearranged, and overall width and carrier bar ensure both ends with wide (width W)
Point respectively has a ultrasonic transmitter-receiver.Ultrasonic array is mounted on above carrier bar at H meters of position and keeps with carrier bar direction of advance
It is orthogonal.Rubbish is placed on the carrier bar in groove, and carrier bar is followed to move, into incinerator combustion power generation.CPLD controller chip
Using the XC95144XL of Xilinx company, Serial Port Line uses RS-485 communication protocol.
Rubbish travelling speed control method in a kind of waste incineration and generating electricity, using above-mentioned device, step includes:
(1) data collection station measures the rubbish thickness transported on carrier bar, and it is disconnected to send monitoring computer fitting rubbish to
Face shape calculates garbage bulk, and shows；
(2) monitoring computer judges junk traffic current on carrier bar according to rubbish section configuration and bulking value, and setting is closed
The motor speed value of reason passes to dcs DCS；
(3) DCS resets carrier bar motor speed, adjusts the speed that carrier bar transports rubbish.
Step (1) data collection station measures the rubbish thickness transported on carrier bar, and it is quasi- to send monitoring computer to
It closes rubbish section configuration, calculate garbage bulk, and show and include the following steps:
(1.1) CPLD controls ultrasonic array real time distance；
(1.2) data packet of range data composition user-defined format is sent to monitoring computer by CPLD；
(1.3) monitoring computer passes through serial communication received data packet；
(1.4) data packet is converted into curvilinear coordinate, plot and display rubbish section configuration on monitoring computer；
(1.5) garbage bulk is calculated on monitoring computer, shows volume change curve.
Step (1.1) pass through capture ultrasonic transmitter-receiver HC-SR04 echo pin echo level on lower edge method come
Calculate distance.Specific steps are as follows:
(2.1) counter for defining one 14, for record echo high level pulse number and one 12
Data storage cell, for storing calculated distance；
(2.2) when echo generates rising edge, counter will record the pulse number of Base clock；
(2.3) when echo generates failing edge, by the pulse number of current basal clock and the arteries and veins of counter records before
It rushes number and make difference relatively, difference is the pulse number of echo high level；
(2.4) distance value calculated from left to right is followed successively by { S1,S2,…SN, it is calculated according to ultrasonic distance measurement formula (1)
I-th tunnel distance SiAre as follows:
Si=cnT/2 (1)
Wherein c is the aerial spread speed of ultrasonic wave, chooses desired value according to room temperature；N is returning for counter records
Wave height level pulse number；T is the high level time of each pulse.
The data packet of user-defined format contains 3N byte altogether in step (1.2), and every 3 bytes are one group, and N number of group altogether.
The 1st byte in every group is start bit F5, and the 2nd byte high four are address code, for distinguishing different ultrasonic transmitter-receivers
The data of acquisition, the 2nd byte it is low four for institute's ranging from high four figures evidence, the 3rd byte for institute's ranging from low eight
Data.
Data packet is converted to curvilinear coordinate on monitoring computer by step (1.4), and plot and display rubbish section configuration is specific
Are as follows:
(3.1) space coordinates are established；
(3.2) sampled point in xoz plane is chosen, and coordinate assignment is carried out to sampled point；
(3.3) thickness of definition structure body storage rubbish section sampling point, by each road surveyed range data (hexadecimal table
Show) it is converted into the decimal system, by { H-Si| i=1,2 ... N } deposit structural body queue；
(3.4) data are taken out from structural body queue, form coordinate { (i, the H-S of rubbish sectional curvei) | i=1,2 ...
N}；
(3.5) plot and display rubbish section configuration.
Step (3.1) establishes space coordinate system, method are as follows: rubbish section and carrier bar direction of advance are orthogonal, with carrier bar advance side
To for y-axis, for rubbish with a thickness of z-axis (vertically upward), rubbish section bottom edge is x-axis (horizontally to the right), rubbish section lower left corner top
Point is coordinate origin o, establishes space coordinates.
Step (3.2) chooses sampled point in xoz plane, and carries out coordinate assignment method to sampled point are as follows: single ultrasound
The intersection point of vertical join line is sampled point on wave transceiver to rubbish surface, and sampled point and ultrasonic transmitter-receiver correspond.Root
Sample point coordinate according to the spacing d of chain board width W and ultrasonic transmitter-receiver, at rubbish sectional curve left end point are as follows: (0, H-S1),
Sample point coordinate is (W, H-S at right endpointN).Because of ultrasonic transmitter-receiver equidistant arrangement, intermediate sample point coordinate be followed successively by (d,
H-S2) ... (W-d, H-SN-1)。
Step (3.5) plot and display rubbish section configuration specifically:
(4.1) painting canvas 1 is initialized using QwtPlotCanvas class；
(4.2) curve 1 is instantiated using QwtPlotCurve class；
(4.3) use setSamples () function by coordinate { (i, the H-S of rubbish sectional curve in queuei) | i=1,2 ...
N } it is loaded on curve 1；
(4.4) curve 1 is loaded by painting canvas 1 using attach () function；
(4.5) curve 1 is refreshed using replot () function.
Step (1.5) calculates garbage bulk on monitoring computer, shows volume change curve specifically:
(5.1) rubbish sectional curve equation is fitted according to Newton interpolating method, is denoted as N (x)；
(5.2) garbage bulk in the sampling time is calculated；
(5.3) change curve of plot and display garbage bulk.
Step (5.2) is when the sampling time is sufficiently small, it is believed that and rubbish surface is almost without variation, and bulk density is constant,
Then the garbage bulk within this section of sampling time also be rubbish section cross-sectional area multiplied by rubbish in carrier bar direction of advance (y
Axis) on moving distance, according to formula (2) calculate sampling time in garbage bulk are as follows:
Wherein τ is the sampling time, and v is carrier bar motor speed, and rubbish sectional curve equation N (x) is in carrier bar wide [0, w]
Integral is rubbish cross-sectional area.
The change curve of step (5.3) plot and display garbage bulk specifically:
(6.1) painting canvas 2 is initialized using QwtPlotCanvas class；
(6.2) curve 2 is instantiated using QwtPlotCurve class；
(6.3) define dynamic array QVector<double>timeData storage time and dynamic array QVector<
Double > Vdata stores rubbish body accumulated amount；
(6.4) garbage bulk formula (2) being calculated is stored in structural body queue, using dynamic array Vdata from knot
Data are taken out in structure body queue, form garbage bulk change curve coordinate (timeData, VData)；
(6.5) (timeData, VData) is loaded on curve 2 using setSamples () function；
(6.6) curve 2 is loaded by painting canvas 2 using attach () function；
(6.7) curve 2 is refreshed using replot () function.
Advantageous effects of the invention:
Rubbish travelling speed control method in a kind of waste incineration and generating electricity of the present invention controls multichannel ultrasonic signal using CPLD
The thickness information for measuring rubbish section on carrier bar simultaneously, is sent to monitoring computer for thickness information by Serial Port Line.Monitoring computer
It draws rubbish section configuration and estimates garbage bulk, judge junk traffic current on carrier bar, set reasonable motor speed
Value, passes to dcs DCS.DCS resets carrier bar motor speed, adjusts the speed that carrier bar transports rubbish, so that
Junk traffic into incinerator is uniform as far as possible, improves the automation and safety of garbage burning factory, reduces manpower naked-eye observation
Maloperation.
Detailed description of the invention
Fig. 1 is rubbish travelling speed control device architecture diagram in waste incineration and generating electricity；
Fig. 2 is burner hearth feeding inlet rubbish section configuration and volume measurement device structural schematic diagram；
Fig. 3 is that rubbish travelling speed controls overall flow figure in waste incineration and generating electricity.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.As shown in Figure 1 and Figure 2, in a kind of waste incineration and generating electricity
Rubbish travelling speed control device, described device include data collection station, dcs (DCS), monitoring computer, chain
Board motor.The data, which are adopted terminal and sent data to, connects monitoring computer, and the monitoring computer passes through motor speed setting control
Dcs, the dcs Quality Initiative board motor adjust the speed that carrier bar transports rubbish.
Data collection station is made of ultrasonic array, CPLD controller, Serial Port Line etc..Ultrasonic array is by N number of ultrasound
Wave transceiver HC-SR04 is linear, equidistant (spacing d) is rearranged, and overall width and carrier bar ensure simultaneously with wide (width W)
Two-end-point respectively has a ultrasonic transmitter-receiver.Ultrasonic array is mounted on above carrier bar at H meters of position and carrier bar direction of advance
Keep orthogonal.Rubbish is placed on the carrier bar in groove, and carrier bar is followed to move, into incinerator combustion power generation.CPLD controller
Chip uses the XC95144XL of Xilinx company, and Serial Port Line uses RS-485 communication protocol.
As shown in Figure 1, Figure 3, rubbish travelling speed control method in a kind of waste incineration and generating electricity, using above-mentioned device,
Step includes: that (1) data collection station measures the rubbish thickness transported on carrier bar, and it is disconnected to send monitoring computer fitting rubbish to
Face shape calculates garbage bulk, and shows；(2) monitoring computer judges that carrier bar is taken according to rubbish section configuration and bulking value
Preceding junk traffic sets reasonable motor speed value, passes to dcs DCS；(3) DCS resets carrier bar electricity
Machine speed adjusts the speed that carrier bar transports rubbish.
Step (1) data collection station measures the rubbish thickness transported on carrier bar, sends monitoring computer fitting rubbish to
Rubbish section configuration calculates garbage bulk, and shows and include the following steps:
(1.1) CPLD controls ultrasonic array real time distance；
(1.2) data packet of range data composition user-defined format is sent to monitoring computer by CPLD；
(1.3) monitoring computer passes through serial communication received data packet；
(1.4) data packet is converted into curvilinear coordinate, plot and display rubbish section configuration on monitoring computer；
(1.5) garbage bulk is calculated on monitoring computer, shows volume change curve.
Step (1.1) pass through capture ultrasonic transmitter-receiver HC-SR04 echo pin echo level on lower edge method come
Calculate distance.Specific steps are as follows:
(2.1) counter for defining one 14, for record echo high level pulse number and one 12
Data storage cell, for storing calculated distance；
(2.2) when echo generates rising edge, counter will record the pulse number of Base clock；
(2.3) when echo generates failing edge, by the pulse number of current basal clock and the arteries and veins of counter records before
It rushes number and make difference relatively, difference is the pulse number of echo high level；
(2.4) distance value calculated from left to right is followed successively by { S1,S2,…SN, it is calculated according to ultrasonic distance measurement formula (1)
I-th tunnel distance SiAre as follows:
Si=cnT/2 (1)
Wherein c is the aerial spread speed of ultrasonic wave, chooses desired value according to room temperature；N is returning for counter records
Wave height level pulse number；T is the high level time of each pulse.
The data packet of user-defined format contains 3N byte altogether in step (1.2), and every 3 bytes are one group, and N number of group altogether.
The 1st byte in every group is start bit F5, and the 2nd byte high four are address code, for distinguishing different ultrasonic transmitter-receivers
The data of acquisition, the 2nd byte it is low four for institute's ranging from high four figures evidence, the 3rd byte for institute's ranging from low eight
Data.
Data packet is converted to curvilinear coordinate on monitoring computer by step (1.4), and plot and display rubbish section configuration is specific
Are as follows:
(3.1) space coordinates are established；
(3.2) sampled point in xoz plane is chosen, and coordinate assignment is carried out to sampled point；
(3.3) thickness of definition structure body storage rubbish section sampling point, by each road surveyed range data (hexadecimal table
Show) it is converted into the decimal system, by { H-Si| i=1,2 ... N } deposit structural body queue；
(3.4) data are taken out from structural body queue, form coordinate { (i, the H-S of rubbish sectional curvei) | i=1,2 ...
N}；
(3.5) plot and display rubbish section configuration.
Step (3.1) establishes space coordinate system, method are as follows: rubbish section and carrier bar direction of advance are orthogonal, with carrier bar advance side
To for y-axis, for rubbish with a thickness of z-axis (vertically upward), rubbish section bottom edge is x-axis (horizontally to the right), rubbish section lower left corner top
Point is coordinate origin o, establishes space coordinates.
Step (3.2) chooses sampled point in xoz plane, and carries out coordinate assignment method to sampled point are as follows: single ultrasound
The intersection point of vertical join line is sampled point on wave transceiver to rubbish surface, and sampled point and ultrasonic transmitter-receiver correspond.Root
Sample point coordinate according to the spacing d of chain board width W and ultrasonic transmitter-receiver, at rubbish sectional curve left end point are as follows: (0, H-S1),
Sample point coordinate is (W, H-S at right endpointN).Because of ultrasonic transmitter-receiver equidistant arrangement, intermediate sample point coordinate be followed successively by (d,
H-S2) ... (W-d, H-SN-1)。
Step (3.5) plot and display rubbish section configuration specifically:
(4.1) painting canvas 1 is initialized using QwtPlotCanvas class；
(4.2) curve 1 is instantiated using QwtPlotCurve class；
(4.3) use setSamples () function by coordinate { (i, the H-S of rubbish sectional curve in queuei) | i=1,2 ...
N } it is loaded on curve 1；
(4.4) curve 1 is loaded by painting canvas 1 using attach () function；
(4.5) curve 1 is refreshed using replot () function.
Step (1.5) calculates garbage bulk on monitoring computer, shows volume change curve specifically:
(5.1) rubbish sectional curve equation is fitted according to Newton interpolating method, is denoted as N (x)；
(5.2) garbage bulk in the sampling time is calculated；
(5.3) change curve of plot and display garbage bulk.
Step (5.2) is when the sampling time is sufficiently small, it is believed that and rubbish surface is almost without variation, and bulk density is constant,
Then the garbage bulk within this section of sampling time also be rubbish section cross-sectional area multiplied by rubbish in carrier bar direction of advance (y
Axis) on moving distance, according to formula (2) calculate sampling time in garbage bulk are as follows:
Wherein τ is the sampling time, and v is carrier bar motor speed, and rubbish sectional curve equation N (x) is in carrier bar wide [0, w]
Integral is rubbish cross-sectional area.
The change curve of step (5.3) plot and display garbage bulk specifically:
(6.1) painting canvas 2 is initialized using QwtPlotCanvas class；
(6.2) curve 2 is instantiated using QwtPlotCurve class；
(6.3) define dynamic array QVector<double>timeData storage time and dynamic array QVector<
Double > Vdata stores rubbish body accumulated amount；
(6.4) garbage bulk formula (2) being calculated is stored in structural body queue, using dynamic array Vdata from knot
Data are taken out in structure body queue, form garbage bulk change curve coordinate (timeData, VData)；
(6.5) (timeData, VData) is loaded on curve 2 using setSamples () function；
(6.6) curve 2 is loaded by painting canvas 2 using attach () function；(6.7) refreshed using replot () function bent
Line 2.
Claims (14)
1. rubbish travelling speed control device in a kind of waste incineration and generating electricity, it is characterised in that: described device includes data acquisition
Terminal, dcs, monitoring computer, chain board motor；The data, which are adopted terminal and sent data to, connects monitoring computer, institute
State monitoring computer by motor speed set control dcs, the dcs Quality Initiative board motor,
Adjust the speed that carrier bar transports rubbish.
2. rubbish travelling speed control device in a kind of waste incineration and generating electricity according to claim 1, it is characterised in that:
The data collection station includes ultrasonic array, CPLD controller, Serial Port Line；The CPLD controller and data collection station
Connection, CPLD controller connect monitoring computer by Serial Port Line；
By N number of ultrasonic transmitter-receiver HC-SR04, linear, equidistant arrangement forms the ultrasonic array, spacing d, overall width and
Carrier bar ensures two-end-point respectively and has a ultrasonic transmitter-receiver with wide, width W；The ultrasonic array is mounted on carrier bar
At top H meters of position and carrier bar direction of advance keeps orthogonal.
3. rubbish travelling speed control device in a kind of waste incineration and generating electricity according to claim 2, it is characterised in that:
The chip of the CPLD controller uses the XC95144XL of Xilinx company, and Serial Port Line uses RS-485 communication protocol.
4. rubbish travelling speed control method in a kind of waste incineration and generating electricity, it is characterised in that utilize described in claim 1 one
Rubbish travelling speed control device in kind waste incineration and generating electricity, the specific method is as follows:
(1) data collection station measures the rubbish thickness transported on carrier bar, sends monitoring computer fitting rubbish section shape to
Shape calculates garbage bulk, and shows；
(2) monitoring computer judges junk traffic current on carrier bar according to rubbish section configuration and bulking value, and setting is reasonable
Motor speed value passes to dcs；
(3) dcs adjusts the speed that carrier bar transports rubbish according to motor speed setting value, Quality Initiative board motor.
5. rubbish travelling speed control method in a kind of waste incineration and generating electricity according to claim 4, the step (1)
The specific method is as follows:
(5.1) CPLD controls ultrasonic array real time distance；
(5.2) data packet of range data composition user-defined format is sent to monitoring computer by CPLD；
(5.3) monitoring computer passes through serial communication received data packet；
(5.4) data packet is converted into curvilinear coordinate, plot and display rubbish section configuration on monitoring computer；
(5.5) garbage bulk is calculated on monitoring computer, shows volume change curve.
6. rubbish travelling speed control method in a kind of waste incineration and generating electricity according to claim 5, it is characterised in that:
It is the echo by capturing ultrasonic transmitter-receiver HC-SR04 that CPLD, which controls ultrasonic array real time distance, in the step (5.1)
The method of lower edge calculates distance, specific steps on pin echo level are as follows:
(6.1) counter for defining one 14, for recording the pulse number and one 12 data of echo high level
Storage unit, for storing calculated distance；
(6.2) when echo generates rising edge, counter will record the pulse number of Base clock；
(6.3) when echo generates failing edge, by the pulse number of current basal clock and the pulse of counter records before
Number make difference relatively, and difference is the pulse number of echo high level；
(6.4) distance value calculated from left to right is followed successively by { S1,S2,…SN, the i-th tunnel is calculated according to ultrasonic distance measurement formula (1)
Distance SiAre as follows:
Si=cnT/2 (1)
Wherein c is the aerial spread speed of ultrasonic wave, chooses desired value according to room temperature；N is that the echo of counter records is high
Level pulse number；T is the high level time of each pulse.
7. rubbish travelling speed control method in a kind of waste incineration and generating electricity according to claim 5, it is characterised in that:
The data packet of user-defined format contains 3N byte altogether in the step (5.2), and every 3 bytes are one group, and N number of group altogether, every group
In the 1st byte be start bit F5, the 2nd byte high four are address code, for distinguishing the acquisition of different ultrasonic transmitter-receivers
Data, the 2nd byte it is low four for institute's ranging from high four figures evidence, the 3rd byte for institute's ranging from low eight bit data.
8. rubbish travelling speed control method in a kind of waste incineration and generating electricity according to claim 5, it is characterised in that:
Data packet is converted into curvilinear coordinate, plot and display rubbish section configuration on monitoring computer in the step (5.4) specifically:
(8.1) space coordinates are established；
(8.2) sampled point in xoz plane is chosen, and coordinate assignment is carried out to sampled point；
(8.3) thickness of definition structure body storage rubbish section sampling point, the hexadecimal representation range data that each road is surveyed
It is converted into the decimal system, by { H-Si| i=1,2 ... N } deposit structural body queue；
(8.4) data are taken out from structural body queue, form coordinate { (i, the H-S of rubbish sectional curvei) | i=1,2 ... N }；
(8.5) plot and display rubbish section configuration.
9. rubbish travelling speed control method in a kind of waste incineration and generating electricity according to claim 8, it is characterised in that:
The step (8.1) establishes space coordinate system, method are as follows: rubbish section and carrier bar direction of advance are orthogonal, are with carrier bar direction of advance
Y-axis, rubbish is with a thickness of z-axis, and vertically upward, rubbish section bottom edge is x-axis to z-axis, and x-axis horizontally to the right, push up by the rubbish section lower left corner
Point is coordinate origin o, establishes space coordinates.
10. rubbish travelling speed control method, feature exist in a kind of waste incineration and generating electricity according to claim 8
In: the step (8.2) chooses sampled point in xoz plane, and carries out coordinate assignment method to sampled point are as follows: single ultrasonic wave
The intersection point of vertical join line is sampled point on transceiver to rubbish surface, and sampled point and ultrasonic transmitter-receiver correspond, according to
The spacing d of chain board width W and ultrasonic transmitter-receiver, the sample point coordinate at rubbish sectional curve left end point are as follows: (0, H-S1), it is right
Sample point coordinate is (W, H-S at endpointN), because of ultrasonic transmitter-receiver equidistant arrangement, intermediate sample point coordinate is followed successively by (d, H-
S2) ... (W-d, H-SN-1)。
11. rubbish travelling speed control method, feature exist in a kind of waste incineration and generating electricity according to claim 8
In: step (8.5) the plot and display rubbish section configuration specifically:
(11.1) painting canvas 1 is initialized using QwtPlotCanvas class；
(11.2) curve 1 is instantiated using QwtPlotCurve class；
(11.3) use setSamples () function by coordinate { (i, the H-S of rubbish sectional curve in queuei) | i=1,2 ... N }
It is loaded on curve 1；
(11.4) curve 1 is loaded by painting canvas 1 using attach () function；
(11.5) curve 1 is refreshed using replot () function.
12. rubbish travelling speed control method, feature exist in a kind of waste incineration and generating electricity according to claim 5
In: the step (5.5) calculates garbage bulk on monitoring computer, shows volume change curve specifically:
(12.1) rubbish sectional curve equation is fitted according to Newton interpolating method, is denoted as N (x)；
(12.2) garbage bulk in the sampling time is calculated；
(12.3) change curve of plot and display garbage bulk.
13. rubbish travelling speed control method in a kind of waste incineration and generating electricity according to claims 12, feature exist
In: the step (12.2) is when the sampling time is sufficiently small, it is believed that rubbish surface is almost without variation, and bulk density is constant, then
Garbage bulk within this section of sampling time be also rubbish section cross-sectional area multiplied by rubbish in carrier bar direction of advance, i.e. y
Moving distance on axis calculates the garbage bulk in the sampling time according to formula (2) are as follows:
Wherein τ is the sampling time, and v is carrier bar motor speed, integral of the rubbish sectional curve equation N (x) in carrier bar wide [0, w]
As rubbish cross-sectional area.
14. rubbish travelling speed control device and method in a kind of waste incineration and generating electricity according to claims 12,
It is characterized in that: the change curve of step (12.3) the plot and display garbage bulk specifically:
(14.1) painting canvas 2 is initialized using QwtPlotCanvas class；
(14.2) curve 2 is instantiated using QwtPlotCurve class；
(14.3) define dynamic array QVector<double>timeData storage time and dynamic array QVector<
Double > Vdata stores rubbish body accumulated amount；
(14.4) garbage bulk formula (2) being calculated is stored in structural body queue, using dynamic array Vdata from structural body
Data are taken out in queue, form garbage bulk change curve coordinate (timeData, VData)；
(14.5) (timeData, VData) is loaded on curve 2 using setSamples () function；
(14.6) curve 2 is loaded by painting canvas 2 using attach () function；
(14.7) curve 2 is refreshed using replot () function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422749.8A CN110155657A (en) | 2019-05-21 | 2019-05-21 | Rubbish travelling speed control device and method in a kind of waste incineration and generating electricity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422749.8A CN110155657A (en) | 2019-05-21 | 2019-05-21 | Rubbish travelling speed control device and method in a kind of waste incineration and generating electricity |
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| Publication Number | Publication Date |
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| CN110155657A true CN110155657A (en) | 2019-08-23 |
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| CN201910422749.8A Pending CN110155657A (en) | 2019-05-21 | 2019-05-21 | Rubbish travelling speed control device and method in a kind of waste incineration and generating electricity |
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