CN102507232A - Intelligentized calibration device and method for nozzle - Google Patents
Intelligentized calibration device and method for nozzle Download PDFInfo
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- CN102507232A CN102507232A CN2011103127439A CN201110312743A CN102507232A CN 102507232 A CN102507232 A CN 102507232A CN 2011103127439 A CN2011103127439 A CN 2011103127439A CN 201110312743 A CN201110312743 A CN 201110312743A CN 102507232 A CN102507232 A CN 102507232A
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Abstract
The invention discloses an intelligentized calibration device and method for a nozzle. The intelligentized calibration device comprises a density monitor, a pressure monitor, a flow monitor, a grain size detector, a storage module and a calibration module, wherein the density monitor, the pressure monitor and the flow monitor are respectively connected with the storage module; and the storage module is also connected with the grain size detector and the calibration module. The intelligentized calibration device and method disclosed by the invention can be used for measuring working parameters of an atomizing nozzle in real time, carrying out performance analysis and calibrating minimum grain size working pressure, has an important guiding significance in optimizing the nozzle structure and improving the spraying performance and can be widely applied to industries, such as desulfuration and denitrification of a thermal power plant, agricultural irrigation, decoration and spray coating, ink jet printing and the like.
Description
Technical field
The present invention relates to spraying plant and technology, relate in particular to a kind of intelligent caliberating device and scaling method thereof that is used for nozzle.
Background technology
Atomization is the key factor of spraying system.For improving the nebulization efficiency of spraying system, carry out characteristic research to different types of nozzles, confirm that the pairing optimum running parameter of different spray nozzles is very important.
Mostly the operating mode factor that nozzle research and development are at present considered is working medium density, pressure, flow etc.Mostly be manual shift in the existing spray field test, present PID control technology utilization is ripe, can be incorporated in the spraying experimental study, realizes that multi-state detects in real time.In the spraying experimental study, atomizing particle size can constantly reduce along with the increase of working pressure, and when working pressure acquired a certain degree, particle diameter tended towards stability with the variation of pressure.At this moment, when particle diameter was reduced to a certain degree, if will continue to reduce, then corresponding pressure that will be bigger dropped into more a high proportion of energy consumption, did not meet the principle that efficient energy-saving is produced.Thereby, confirm that the working pressure of a suitable atomizing particle size is interval, both production requirement can be satisfied, and don't energy consumption need be dropped at high proportion, significant to realizing energy-efficient production.
Summary of the invention
For overcoming the shortcoming and defect of prior art; The present invention is provided for the intelligent caliberating device and the scaling method thereof of nozzle; Remedy existing spraying apparatus and can not calibrate automatically when atomizing particle size and be tending towards minimum and change the deficiency of pairing working pressure when tending towards stability, realized the demarcation of multi-state detection, performance evaluation and minimum grain size working pressure.
The present invention realizes through following technical proposals:
A kind of intelligent caliberating device that is used for nozzle; Comprise density watch-dog, pressure monitor device, flow monitor, particle diameter detecting device, memory module and demarcating module; Said density watch-dog, pressure monitor device, flow monitor are connected with memory module respectively, and said memory module also is connected with demarcating module with the particle diameter detecting device.
Said density watch-dog comprises density sensor, controller, the motorized valve that connects successively.
Said pressure monitor device comprises pressure transducer, controller, the variable valve that connects successively.
Said flow monitor comprises flow sensor, controller, the variable valve that connects successively.
Above-mentioned density watch-dog is unit C shown in Figure 3; The pressure monitor device is a unit B shown in Figure 3; Flow monitor is unit A shown in Figure 3.
The above-mentioned scaling method that is used for the intelligent caliberating device of nozzle, realize through following steps:
(1) memory module; Receive and deposit real-time working supplemental characteristic from storage density watch-dog, pressure monitor device, flow monitor, particle diameter detecting device; This supplemental characteristic comprises the data of power pressure, density, flow and particle diameter; Controller is again from memory module extracting parameter data, as control signal simultaneously;
This memory module integral data is drawn the variation performance curve of particle diameter about pressure, density, flow;
(2) demarcating module; The particle diameter that extracts in the memory module is analyzed about the variation performance curve of pressure; When the nozzle spray particle diameter about the rate of change of pressure during less than preset threshold; This constantly pairing working pressure of demarcating module output is interval, and this working pressure interval is the minimum grain size working pressure of being demarcated;
(3) particle diameter detecting device is gathered in real time and is analyzed the spray field of nozzle through optical method, obtains the spray particle diameter under the different operating modes in real time, and with the data delivery of this spray particle diameter to memory module.
Said optical method is to adopt high-speed camera or laser particle measuring instrument etc.
With respect to prior art, the invention has the beneficial effects as follows:
The present invention can regulate density, hydraulic pressure, the flow of working medium in real time automatically, carries out detection, performance evaluation and the demarcation minimum grain size working pressure of multi-state, for optimizing nozzle arrangements, improves pulverability and has great importance.Can be widely used in fuel-burning power plant desulphurization denitration, agricultural sprinkling irrigation, decorate industries such as spraying, ink jet printing.Remedy existing spraying apparatus and can not calibrate automatically when atomizing particle size and be tending towards minimum and change the deficiency of pairing working pressure when tending towards stability, realized the demarcation of multi-state detection, performance evaluation and minimum grain size working pressure.
Description of drawings
Fig. 1 is structure of the present invention and workflow synoptic diagram.
Fig. 2 is Fig. 1 demarcating module operational flowchart.
Fig. 3 is that the present invention combines existing equipment exemplified using synoptic diagram.
Embodiment
Following specific embodiments of the invention is done further detailed explanation, but embodiment of the present invention is not limited thereto.
As shown in Figure 1; The present invention is used for the intelligent caliberating device of nozzle; Comprise density watch-dog, pressure monitor device, flow monitor, particle diameter detecting device, memory module 19 and demarcating module 8; Said density watch-dog, pressure monitor device, flow monitor connect respectively at memory module 19, and said memory module 19 also is connected with demarcating module 8 with the particle diameter detecting device.
Said density watch-dog comprises density sensor 18, controller 1, the motorized valve 16 that connects successively; The density watch-dog is unit C shown in Figure 3.
Said pressure monitor device comprises pressure transducer 4, controller 1, the variable valve 5 that connects successively; The pressure monitor device is a unit B shown in Figure 3.
Said flow monitor comprises flow sensor 2, controller 1, the variable valve 3 that connects successively; Flow monitor is unit A shown in Figure 3.
As shown in Figure 3.The above-mentioned scaling method that is used for the intelligent caliberating device of nozzle, realize through following steps:
(1) memory module 19; Receive and deposit real-time working supplemental characteristic from storage density watch-dog, pressure monitor device, flow monitor, particle diameter detecting device; This supplemental characteristic comprises the data of power pressure, density, flow and particle diameter; Controller 1 is again from memory module 19 extracting parameter data, as control signal simultaneously;
These memory module 19 integral data are drawn the variation performance curve of particle diameter about pressure, density, flow;
(2) demarcating module 8; The particle diameter that extracts in the memory module 19 is analyzed computing (formula is seen Fig. 2) about the variation performance curve of pressure; When sprayer 6 spray particle diameters about the rate of change of pressure during less than preset threshold; This constantly pairing working pressure of demarcating module 8 outputs is interval, and this working pressure interval is the minimum grain size working pressure of being demarcated;
(3) particle diameter detecting device is gathered in real time and is analyzed the spray fields in the nebulization chamber 9 through optical method (this patent adopt laser particle measuring instrument 7), obtains the spray particle diameter under the different operating modes in real time, and with the data delivery of this spray particle diameter to memory module 19.
Said optical method is to adopt high-speed camera or laser particle measuring instrument etc.
For better understanding the present invention, Fig. 3 has provided applicating example with the mode that combines existing equipment.
Reference numeral among Fig. 3: controller 1; Flow sensor 2; Variable valve 3; Pressure transducer 4; Variable valve 5; Sprayer 6; Laser particle measuring instrument 7; Demarcating module 8 (computing machine or PLC); Nebulization chamber 9; Gas-holder 10; Blower fan 11; Pump 12; Stirring machine 13; Liquid storage tank 14; Funnel 15; Motorized valve 16; Inlet channel 17; Density sensor 18; Memory module 19 (computing machine); Pipeline 20.
Unit C, unit B, unit A all adopt PID control.The data that density sensor 18, pressure transducer 4, flow sensor 2 obtain can be transported to memory module, and controller 1 extracts control signal from memory module 19.
After laser particle measuring instrument 7 obtains spray field, be transported to memory module 19 and analyze.
Pressure, flow, density and particle size data that memory module 19 is integrated from density sensor 18, pressure transducer 4, flow sensor 2 and particle diameter detecting device are drawn the performance curve of particle diameter about pressure, flow, density.Simultaneously, density watch-dog, pressure monitor device, flow monitor, particle diameter detecting device are by extracting data as control signal in the memory module 19, and the data that demarcating module 8 extracts in the memory module 19 are carried out computing.
Atomizing particle size d (the x that demarcating module 8 receives from memory module 19
n) (in this instance, particle diameter unit is mm) and pressure p (x
n) (in this instance, pressure unit is Mpa), substitution discriminant
The value of Δ p and K is made as 0.01 and 400 in this example respectively, when discriminant is set up, and demarcating module 8 outputs and d (x
n) and d (x
N+1) [p (x between corresponding pressure zone
n), p (x
N+1)], realized the demarcation of working pressure.This working pressure interval is when atomizing particle size and is tending towards minimum and changes pairing working pressure when tending towards stability.
Just can realize this patent preferably as stated.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (4)
1. intelligent caliberating device that is used for nozzle; It is characterized in that comprising density watch-dog, pressure monitor device, flow monitor, particle diameter detecting device, memory module and demarcating module; Said density watch-dog, pressure monitor device, flow monitor are connected with memory module respectively, and said memory module also is connected with demarcating module with the particle diameter detecting device.
2. the intelligent caliberating device that is used for nozzle according to claim 1 is characterized in that said density watch-dog comprises density sensor, controller, the motorized valve that connects successively; Said pressure monitor device comprises pressure transducer, controller, the variable valve that connects successively; Said flow monitor comprises flow sensor, controller, the variable valve that connects successively.
3. claim 1 or the 2 said scaling methods that are used for the intelligent caliberating device of nozzle is characterized in that following steps:
(1) memory module; Receive and store real-time working supplemental characteristic from density watch-dog, pressure monitor device, flow monitor, particle diameter detecting device; This supplemental characteristic comprises the data of power pressure, density, flow and particle diameter; Controller is again from memory module extracting parameter data, as control signal simultaneously;
This memory module integral data is drawn the variation performance curve of particle diameter about pressure, density, flow;
(2) demarcating module; The particle diameter that extracts in the memory module is analyzed about the variation performance curve of pressure; When the nozzle spray particle diameter about the rate of change of pressure during less than preset threshold; This constantly pairing working pressure of demarcating module output is interval, and this working pressure interval is the minimum grain size working pressure of being demarcated;
(3) particle diameter detecting device adopts spray field image real-time acquisition and the analysis of optical method to nozzle, obtains the spray particle diameter under the different operating modes in real time, and with the data delivery of this spray particle diameter to memory module.
4. the scaling method that is used for the intelligent caliberating device of nozzle according to claim 3 is characterized in that, said optical method is to adopt high-speed camera or laser particle measuring instrument.
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| CN201110312743.9A CN102507232B (en) | 2011-10-14 | 2011-10-14 | Intelligentized calibration device and method for nozzle |
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|---|---|---|---|
| CN201110312743.9A CN102507232B (en) | 2011-10-14 | 2011-10-14 | Intelligentized calibration device and method for nozzle |
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| CN102507232A true CN102507232A (en) | 2012-06-20 |
| CN102507232B CN102507232B (en) | 2014-09-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109140494A (en) * | 2018-09-06 | 2019-01-04 | 佛山市顺德区美的洗涤电器制造有限公司 | For determining the method, apparatus and storage medium of the combustor parameter of gas-cooker |
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| CN109140494A (en) * | 2018-09-06 | 2019-01-04 | 佛山市顺德区美的洗涤电器制造有限公司 | For determining the method, apparatus and storage medium of the combustor parameter of gas-cooker |
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| CN102507232B (en) | 2014-09-10 |
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