CN109932159A - A kind of dust wind tunnel system and its control method - Google Patents
A kind of dust wind tunnel system and its control method Download PDFInfo
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- CN109932159A CN109932159A CN201910278407.3A CN201910278407A CN109932159A CN 109932159 A CN109932159 A CN 109932159A CN 201910278407 A CN201910278407 A CN 201910278407A CN 109932159 A CN109932159 A CN 109932159A
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- 239000000428 dust Substances 0.000 title claims abstract description 178
- 238000000034 method Methods 0.000 title claims description 14
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 238000012937 correction Methods 0.000 claims abstract description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003546 flue gas Substances 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims description 44
- 238000004321 preservation Methods 0.000 claims description 8
- 238000004088 simulation Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 4
- 230000004069 differentiation Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 238000004886 process control Methods 0.000 claims 1
- 238000012795 verification Methods 0.000 abstract description 5
- 239000003500 flue dust Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Abstract
The invention discloses a kind of dust wind-tunnel, including blower, air-line system, dust delivery device, detection mouth, local control system, tele-control system, detected dust instrument, check and correction dust instrument；Blower is arranged in air-line system, the dust that blower drives dust delivery device to launch, the temperature of the wind speed and air draft of local control system or tele-control system control blower, simulated flue gas state, and pass through local control system or the runing time of tele-control system control air-line system；It is connected in detection mouth and is detected dust instrument and check and correction dust instrument；The dust data of detected dust instrument and check and correction dust instrument is read respectively by tele-control system, judges the state for being detected dust instrument；Foring can solve and lack the dust detection environment of standard the technical issues of whether dust instrument has reached correct detection range detected with the dust wind-tunnel of the environment where simulating dust and dust, for the detection and verification of dust instrument.
Description
Technical field
The present invention relates to a kind of dust wind tunnel system more particularly to a kind of dust wind tunnel system and its control methods.
Background technique
In detection process of the existing dust instrument for flue gas, usually detected using collimation detection Comparison Method,
After the dust that usually dust instrument is detected is weighed, the data of final flue gas can be just obtained；This data are due to passing through
Dust instrument has a deviation with the data obtained after detecting in data, still, for dust instrument, number that dust instrument is surveyed
It is all to have no idea to carry out, due to lacking the powder of standard according to correctly whether how dust instrument measures the data of standard in other words
Dirt detects environment to detect whether dust instrument has reached correct detection range, meanwhile, dust instrument in the prior art needs
It could complete to detect or proofread to scene, for the manufacturer of a dust instrument, this process is unable to meet production
Needs, it is described, need to simulate the environment of a dust, the detection and verification for dust instrument.
Summary of the invention
In place of according to above-mentioned the deficiencies in the prior art, the present invention realizes a kind of dust wind-tunnel system
System, including blower, air-line system, dust delivery device, detection mouth, local control system, tele-control system, detected dust
Instrument, check and correction dust instrument；Blower is arranged in air-line system, the dust that blower drives dust delivery device to launch, local control system
The temperature and humidity of the flow velocity of system or tele-control system control blower, pipeline, simulate flue dust state, and pass through local control
The runing time of system or tele-control system control air-line system；It is connected in detection mouth and is detected dust instrument and check and correction dust
Instrument；The dust data of detected dust instrument and check and correction dust instrument is read respectively by tele-control system, judges to be detected powder
The state of dirt instrument.
Further, the air-line system further includes air hose branch pipe, the total inlet pipe of air hose, the total outlet pipe of air hose, heater, humidification
Device, dust filter unit；Several air hose branch pipes are set in one end of the dust wind tunnel system, the air hose described in several
One end of branch pipe is communicated with atmosphere, and connects the dust delivery device, the other end of the air hose branch pipe described in several
One electric control valve of each connection；Any one of the air hose branch pipe described in several is upper to connect heater, after heater
Humidifier is connected on the air hose branch pipe at end, in the rear end of the electric control valve, air hose branch pipe described in several connects
It is connected to one end of the total inlet pipe of air hose, several temperature detection mouths, wet are respectively provided on the air hose branch pipe described in several
Spend detection mouth, wind speed measurement mouth and dust detection mouth；Dust filter unit is connected in the other end of the total inlet pipe of air hose
Import；The outlet of the dust filter unit connects the total outlet pipe of air hose；Several detections are set on the total inlet pipe of air hose
Mouthful；First air hose shutoff valve is set in the total outlet pipe of air hose；In the side of the total outlet pipe of air hose setting auxiliary air-exhausting duct, assisting
Second air hose shutoff valve is set on air-exhausting duct.
Further, the local control system further include PLC, touch screen, digital output module, digital input module,
Analog output module, analog input module；Fan frequency converter；Between PLC and touch screen, PLC and the tele-control system
It is ethernet network connection；PLC and digital output module, digital input module, analog output module, analog input module are simultaneously
The connection of row serial ports；PLC is that PROFIBUS is connect with fan frequency converter；Fan frequency converter and the blower are to be electrically connected；Wind
Machine frequency converter and digital output module, digital input module are to be electrically connected, and fan frequency converter and analog output module, simulation are defeated
Enter module for analog quantity connection；Analog input module is that analog quantity is connect with the detected dust instrument.
Further, the tele-control system is industrial control computer.
Further, the air hose branch pipe further includes the first air hose branch pipe, the second air hose branch pipe, third air hose branch pipe；?
One end of the first air hose branch pipe sets one end of the first elbow of connection, the other end of the first elbow and the air hose always into
One end of pipe connects；One end of second air hose branch pipe is connect with one end of the second elbow, and the other end and air hose of the second elbow are total
The connection of inlet pipe intersection；The top of the first air hose branch pipe is arranged in second air hose branch pipe；It is arranged in the top of the second air hose branch pipe
Third elbow, one end of third elbow are mutually passed through with the second air hose branch pipe and are connect, the other end and third air hose branch pipe of third elbow
One end connection；First air hose branch pipe, the second air hose branch pipe, third air hose branch pipe are communicated with the atmosphere.
Further, the diameter that the diameter of the first air hose branch pipe is greater than the second air hose branch pipe is greater than third air hose branch pipe
Diameter.
Further, the detection mouth further includes extraction-type test mouth, rear scattering formula test mouth, to formula test mouth is worn, and is taken out
The side of the total inlet pipe of the air hose is arranged in modus ponens test mouth；It is flange connection that extraction-type, which tests mouth,；Scattering formula is surveyed afterwards
Examination mouth is symmetricly set on the two sides of the total inlet pipe of air hose, is respectively provided with flanged joint knot in the two sides of the total inlet pipe of air hose
Structure；One segment pipe is set across the total inlet pipe of air hose to formula test mouth is worn, and flange arrangement is set on pipeline.
Further, the electric control valve is flange form controlled valve；The first air hose shutoff valve and
Two air hose shutoff valves are cut-off type motor switch valve.
A kind of control method of dust wind tunnel system is also disclosed in the present invention, which is characterized in that the dust wind
Hole system control method, steps are as follows:
Step S0；Flow passage selection and detection pattern selection:: in the first air hose branch pipe, the second air hose branch pipe, third
Any one is selected in air hose branch pipe, selects slow channels or middling speed channel or high-speed channel；Select dust detection pattern
Or any one in flue gas inspection mode；, enter step S10；
Step S10: judge whether electric control valve is opened: being, then enter step S40；It is no, then enter step 50；
Step S20: temperature, humidity, flow velocity parameter setting: are set in touch screen or tele-control system, after preservation
Enter step S30；
Step S30: test period setting: after test period preservation is set in touch screen or tele-control system, into
Enter step S40；
Step S40: pressing start button on the touchscreen or in tele-control system, and blower starting after starting, enters
Step S60；
Step S50: status alert: alarm signal is jumped out on the alarm page, alarm lamp lights；
Step S60: state output: the dust or flue gas of simulation are formed in the duct, enters step S70；
Step S70: it selects the function of starting: starting heater or humidification on the touchscreen or in tele-control system
Device enters step S80；
Step S80: record data: tele-control system record operation data includes that temperature, humidity, flow velocity are curved continuous
Output state then enters step S90；
Step S90: state judgement: Rule of judgment: whether there is or not flow velocity signals, if state is, enter step 120；Air hose system
System temperature >=60 DEG C；Heter temperature >=75 DEG C；Air-line system humidity >=85%；If state is, 100 are entered step；Step
110；If state is no, S150 is entered step；
Step S100: heater stops working；After stopping, S120 is entered step；
Step 110: humidifier stops working；After stopping, S120 is entered step；.
Step S120: blower stops working；After stopping, S130 is entered step；
Step S130: test stops；Enter step S50；
Step S150: the starting preproduction phase: dust wind tunnel system enters the starting preproduction phase；Start preproduction phase completion
Afterwards, S160 is entered step；
Step S160: working condition preproduction phase: temperature, humidity, stream of the dust wind tunnel system from reset condition to setting
The stage of the operating status of speed；After the completion of the working condition preproduction phase, then S170 is entered step；
Step S170: stable conditions differentiate the stage: differentiation of the dust wind tunnel system to the temperature of setting, humidity, flow velocity is sentenced
Whether the temperature that is arranged surely, humidity, flow velocity reach the stable conditions stage, after reaching, then enter step S180；
Step S180: operating condition reaches the stable condition stage: dust wind tunnel system maintains the temperature of setting, humidity, flow velocity, if
After the fixed time arrives, then S190 is entered step；
Step S190: enter test period: the detected dust instrument and check and correction dust instrument for being connected to dust wind tunnel system are opened
Begin to test, test data is sent in the tele-control system of dust wind tunnel system, and after preservation；Enter step S200:
Step S200: off-test determines: being to enter step S210；It is no, enter step S220；
Step S210: blower normally stops；After stopping, S230 is entered step；
Step S220: continue next working condition tests；Dust wind tunnel system returns to step S0；
Step S230: dust filter unit purging: collecting dust, in case next time uses.
It can be with the dust wind-tunnel system of the environment where simulating dust and dust the technical effects of the invention are that foring
System is solved and lacks the dust detection environment of standard and detect whether dust instrument reaches for the detection and verification of dust instrument
The technical issues of correct detection range.
Detailed description of the invention
Fig. 1 is top view of the invention.
Fig. 2 is control schematic diagram of the invention.
Fig. 3 is the flow chart of control method of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
In conjunction with shown in attached drawing 1, attached drawing 2, a kind of dust wind tunnel system, including blower 1, air hose system are disclosed in the present embodiment
System 100, dust delivery device 2, detection mouth 300, local control system 400, tele-control system 500, be detected dust instrument 10,
Proofread dust instrument 20；Blower 1 is arranged in air-line system 100, the dust that blower 1 drives dust delivery device 2 to launch, local to control
System 400 processed or tele-control system 500 control the temperature and humidity of the flow velocity of blower 1, pipeline, simulate flue dust state, and
The runing time of air-line system 100 is controlled by local control system 400 or tele-control system 500；Connect in detection mouth 300
Connect detected dust instrument 10 and check and correction dust instrument 20；By tele-control system 500 respectively to detected dust instrument 10 and check and correction
The dust data of dust instrument 20 is read, and judges the state for being detected dust instrument 10.On dust wind tunnel system simulated flue gas or
The state of dust, the state simulated and reality in flue gas or dust state temperature, humidity, in terms of base
This is consistent, is compared utilizing to be detected dust instrument 10 and proofread the dust data between dust instrument 20, final determine is detected
Survey whether dust instrument 10 meets testing requirements, in this way, just changing the technology that dust instrument needs to proofread and detect to scene
The technical issues of status meets the detection environment of dust instrument, changes the detection and verification of dust instrument.
In conjunction with shown in attached drawing 1, air-line system 100 further includes air hose branch pipe 3, the total inlet pipe 4 of air hose, the total outlet pipe 5 of air hose, heating
Device 6, humidifier 7, dust filter unit 8；Several air hose branch pipes 3 are set in one end of dust wind tunnel system, described in several
One end of air hose branch pipe 3 communicated with atmosphere, and connect dust delivery device 2, in this way, when wind tunnel system 100 works,
Dust delivery device 2 carries out dust and is dosed into wind tunnel system 100, so that dust is spread in entire dust wind tunnel system；
The amount that dust delivery device 2 launches dust is controlled, reaches dust value required for whole system, the different powder such as granularity
Dirt value；An electric control valve 9 is respectively connected in the other end of several air hose branch pipes 3；In any one of several air hose branch pipes 3
Heater 6 is connected on root, humidifier 7 is connected on the air hose branch pipe 3 of the rear end of heater 6, heater 6 and humidifier 7 are used for
Air and dust in air supply duct branch pipe 3 heat and humidify the temperature and humidity for controlling entire air-line system 100；Electronic
The rear end of control valve 9, several air hose branch pipes 3 are connected to one end of the total inlet pipe 4 of air hose, on several air hose branch pipes 3
It is respectively provided with several temperature detection mouths 11, Humidity Detection mouth 12 and wind speed measurement mouth 13；For monitoring in air-line system 100
Temperature, humidity and wind speed, and be connected with local control system 400, then, pass through transmission of network to tele-control system
In 500, the requirement of the environment for air-line system 10 required for controlling and reaching is connected in the other end of the total inlet pipe 4 of air hose
The outlet of the import of dust filter unit 8, dust filter unit 8 connects the total outlet pipe 5 of air hose；Several are set on the total inlet pipe 4 of air hose
Detection mouth 300；It is mainly used for being inserted into the flue gas feeler lever of detected dust instrument 10 in detection mouth 300, for detecting air-line system 100
The content of interior dust, meanwhile, it can detecte the temperature and humidity in air-line system 100；In order to realize in air-line system 100
It realizes gas exhaust inspecting, the first air hose shutoff valve 14 is set in the total outlet pipe 5 of air hose；In the side of the total outlet pipe 5 of air hose, setting is auxiliary
Air-exhausting duct 15 is helped, second air hose shutoff valve 16 is set on auxiliary air-exhausting duct 15；When being simple air in air-line system 100
When, the second air hose shutoff valve 16 is opened, realizes that air circulation indoors does not have the air of temperature, dust such as, this is main
For the blower dry running stage, when there is dust, the first air hose shutoff valve 14 is opened, will be discharged by filtered air
Outdoor such as has the air of temperature and dust.
In order to realize the control for blower 1 and air-line system 100, also to be designed such as local control system 400
Attached system shown in Fig. 2, the local control system 400 further include PLC401, touch screen 402, digital output module 403,
Digital input module 404, analog output module 405, analog input module 406；Fan frequency converter 407；PLC401 and touch screen
It 402, is ethernet network connection between PLC401 and tele-control system 400；PLC401 and output module 403, input mould
Block 404, analog output module 405, the connection of the parallel serial ports of analog input module 406；PLC401 is with fan frequency converter 407
PROFIBUS connection；Connection between above-mentioned device ensure that the control connection of the electrical system of whole system, realize local control
Requirement of the system 400 processed with tele-control system 400 for the control network of blower 1, fan frequency converter 407 and blower 1 are electricity
Property connection；It is connected between the two for power supply, is that fan frequency converter 407 drives blower 1；Fan frequency converter 407 and number
Word output module 403, digital input module 404 are to be electrically connected, between for the data of its wind speed carry out conversion control,
In, pass through the connection of digital quantity, such as starting, failure, stopping number between digital input module 404 and fan frequency converter 407
Control between amount, between fan frequency converter 407 and digital output module 403, alarm, alert primarily directed to frequency converter 407,
Indicator light, converter parameter are exported etc. in the form of 8421 yards；Fan frequency converter 407 and analog output module 405, simulation input mould
Block 406 is analog quantity connection；The input and output of the analog quantity of 0-10V, fan frequency converter 407 and analog output module 405 are provided
Between, mainly the parameter being arranged in local control system 400 and tele-control system 500 such as temperature, wind speed, humidity are converted
At analog quantity, and for controlling the rate-adaptive pacemaker of fan frequency converter 407, fan frequency converter 407 and analog input module 406 it
Between, the frequency on fan frequency converter is mainly inputed into analog input module 406, makes its local control system 400 and long-range
Actual wind speed is converted in control system 500；It is connect in analog input module 406 with detected dust instrument 10 for analog quantity,
Mainly the dust data that detected dust instrument detects is passed in analog input module 406, for local control system 400
It is read with tele-control system 500 and is converted to detected data.
In order to realize above-mentioned system control, tele-control system 500 is industrial control computer.
It further include the first air hose in conjunction with attached drawing 1, air hose branch pipe 3 to further realize wind speed in the variation of air hose branch pipe 3
Branch pipe 31, the second air hose branch pipe 32, third air hose branch pipe 33；The first elbow 34 of connection is set in one end of the first air hose branch pipe 31
The other end of one end, the first elbow 34 is connect with one end of the total inlet pipe 4 of air hose；One end of second air hose branch pipe 32 and the second elbow
35 one end connection, the other end of the second elbow 35 are connect with total 4 intersection of inlet pipe of air hose；The setting of second air hose branch pipe 32 is the
The top of one air hose branch pipe 31；In the top of the second air hose branch pipe 32, third elbow 36, one end of third elbow 36 and the are set
Two air hose branch pipes, 32 phase passes through connection, and the other end of third elbow 36 is connect with one end of third air hose branch pipe 33；First air hose branch
Pipe 31, the second air hose branch pipe 32, third air hose branch pipe 33 are communicated with the atmosphere；The first air hose branch pipe 31 in above-described embodiment,
Wind speed is mainly divided into high, normal, basic 3 kinds of speed according to different pipelines by the second air hose branch pipe 32,33 structure of third air hose branch pipe,
And be respectively controlled, above-mentioned structure, solve coexisting and controlling respectively for high, normal, basic 3 kinds of speed；Due to the first wind
The diameter that the diameter of pipe branch pipe 31 is greater than the second air hose branch pipe 32 is greater than the diameter of third air hose branch pipe 33, in identical air stream
In the case where amount, different wind speed is formd, high, normal, basic 3 kinds of different speed can be thus simulated, so that whole system
The application being closer in reality.
In order to meet the connection for being detected between dust instrument 10 and detection mouth 300, it will test mouth 300 and be designed to also wrap
Include extraction-type test mouth 301, rear scattering formula test mouth 302, to the detection mouth pattern for wearing formula test mouth 303, extraction-type tests mouth
301 are arranged in the side of the total inlet pipe 4 of air hose；It is flange connection that extraction-type, which tests mouth 301,；Scattering formula tests 302 pairs of mouth afterwards
Claim the two sides that the total inlet pipe 4 of air hose is set, is respectively provided with flange connection in the two sides of the total inlet pipe 4 of air hose；Mouth is tested to formula of wearing
303 one segment pipes of setting pass through the total inlet pipe 4 of air hose, and flange arrangement is arranged on pipeline.Above-mentioned 300 structure of detection mouth meets
Extraction-type, rear scattering formula and the detection to formula dust instrument is worn, meet, the testing requirements of a variety of dust instruments.
It is flange form controlled valve by electric control valve 9 to realize the control for air-line system 100；First wind
Pipe shutoff valve 14 and the second air hose shutoff valve 15 are cut-off type motor switch valve.
Dust wind tunnel system is controlled in order to realize, need for the dust wind tunnel system control method into
Row design, steps are as follows:
Step S0；Flow passage selection and detection pattern selection: the first air hose branch pipe 31, the second air hose branch pipe 32,
Any one is selected in third air hose branch pipe 33, selects slow channels or middling speed channel or high-speed channel；Select dust inspection
Any one in survey mode or flue gas inspection mode, enters step S10；
Step S10: judge whether electric control valve 9 is opened: being, then enter step S40；It is no, then enter step 50；
Step S20: parameter setting: being arranged temperature, humidity, flow velocity in touch screen 402 or tele-control system 500,
S30 is entered step after preservation；
Step S30: test period setting: test period is set in touch screen 402 or tele-control system 500 and is saved
Afterwards, S40 is entered step；
Step S40: pressing start button on touch screen 402 or in tele-control system 500, blower 1 starts, starting
Afterwards, S60 is entered step；
Step S50: status alert: alarm signal is jumped out on the alarm page, alarm lamp lights；
Step S60: state output: the dust or flue gas of simulation are formed in the duct, enters step S70；
Step S70: it selects the function of starting: starting heater 6 on touch screen 402 or in tele-control system 500
Or humidifier 7 enters step S80；
Step S80: record data: it includes that temperature, humidity, flow velocity are curved that tele-control system 500, which records operation data,
Continuous output state, then enter step S90；
Step S90: state judgement: Rule of judgment: whether there is or not flow velocity signals, if state is, enter step 120；Air hose system
System temperature >=60 DEG C；Heter temperature >=75 DEG C；Air-line system humidity >=85%；If state is, 100 are entered step；Step
110；If state is no, S150 is entered step；
Step S100: heater 6 stops working；After stopping, S120 is entered step；
Step 110: humidifier 7 stops working；After stopping, S120 is entered step；.
Step S120: blower 1 stops working；After stopping, S130 is entered step；
Step S130: test stops；Enter step S50；
Step S150: the starting preproduction phase: dust wind tunnel system enters the starting preproduction phase；Start preproduction phase completion
Afterwards, S160 is entered step；
Step S160: working condition preproduction phase: temperature, humidity, stream of the dust wind tunnel system from reset condition to setting
The stage of the operating status of speed；After the completion of the working condition preproduction phase, then S170 is entered step；
Step S170: stable conditions differentiate the stage: differentiation of the dust wind tunnel system to the temperature of setting, humidity, flow velocity is sentenced
Whether the temperature that is arranged surely, humidity, flow velocity reach the stable conditions stage, after reaching, then enter step S180；
Step S180: operating condition reaches the stable condition stage: dust wind tunnel system maintains the temperature of setting, humidity, flow velocity, if
After the fixed time arrives, then S190 is entered step；
Step S190: enter test period: being connected to the detected dust instrument 10 and check and correction dust instrument of dust wind tunnel system
20 start to test, and test data is sent in the tele-control system 500 of dust wind tunnel system, and after preservation；It enters step
S200:
Step S200: off-test determines: being to enter step S210；It is no, enter step S220；
Step S210: blower 1 normally stops；After stopping, S230 is entered step；
Step S220: continue next working condition tests；Dust wind tunnel system returns to step S0；
Step S230: dust filter unit 8 purges: dust is collected, in case next time uses.
By in the present embodiment dust wind tunnel system control method control, be able to solve for dust instrument detection and
When verification, lack the dust detection environment of standard the technical issues of whether dust instrument has reached correct detection range detected.
As the preferred embodiment of the invention, it is obvious to a person skilled in the art that showing the present invention is not limited to above-mentioned
The details of exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention, it can be with other specific
Form realizes the present invention and protection scope of the present invention.Therefore, in all respects, the embodiments should be taken as
It is exemplary, and be non-limiting, the scope of the invention being indicated by the appended claims rather than by the foregoing description, therefore purport
It is including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention.Right should not be wanted
Any appended drawing reference in asking is construed as limiting the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of dust wind tunnel system, including it is blower, air-line system, dust delivery device, detection mouth, local control system, remote
Process control system is detected dust instrument, check and correction dust instrument；Blower is arranged in air-line system, and blower drives dust delivery device
The dust of dispensing, local control system or tele-control system control the temperature and humidity of the flow velocity of blower, pipeline, simulate cigarette
Dirt state, and pass through local control system or the runing time of tele-control system control air-line system；It is connected in detection mouth
It is detected dust instrument and check and correction dust instrument；By tele-control system respectively to the dust of detected dust instrument and check and correction dust instrument
Reading data judges the state for being detected dust instrument.
2. a kind of dust wind tunnel system as described in claim 1, which is characterized in that the air-line system further includes air hose branch
Pipe, the total inlet pipe of air hose, the total outlet pipe of air hose, heater, humidifier, dust filter unit；In one end of the dust wind tunnel system
Several air hose branch pipes are set, and one end of the air hose branch pipe described in several is communicated with atmosphere, and is connected the dust and thrown
Device is put, the other end of the air hose branch pipe described in several respectively connects an electric control valve；The air hose described in several
Any one of branch pipe is upper to connect heater, humidifier is connected on the air hose branch pipe of heater rear end, in the electronic control
The rear end of valve processed, air hose branch pipe described in several is connected to one end of the total inlet pipe of air hose, described in several
Air hose branch pipe on be respectively provided with several temperature detection mouths, Humidity Detection mouth, wind speed measurement mouth and dust detection mouth；Described
The total inlet pipe of air hose the other end connection dust filter unit import；The outlet connection air hose of the dust filter unit always goes out
Pipe；Several detection mouths are set on the total inlet pipe of air hose；First air hose shutoff valve is set in the total outlet pipe of air hose；?
The side setting auxiliary air-exhausting duct of the total outlet pipe of air hose, is arranged the second air hose shutoff valve on auxiliary air-exhausting duct.
3. a kind of dust wind tunnel system as described in claim 1, which is characterized in that the local control system further includes
PLC, touch screen, digital output module, digital input module, analog output module, analog input module；Fan frequency converter；PLC
It is that ethernet network is connect between touch screen, PLC and the tele-control system；PLC and digital output module, number
The parallel serial ports connection of input module, analog output module, analog input module；PLC is that PROFIBUS is connect with fan frequency converter；
Fan frequency converter and the blower are to be electrically connected；Fan frequency converter and digital output module, digital input module are electrically
Connection, fan frequency converter are that analog quantity is connect with analog output module, analog input module；Analog input module and the quilt
Dust instrument is detected as analog quantity connection.
4. a kind of dust wind tunnel system as described in claim 1, which is characterized in that the tele-control system is industry control
Computer processed.
5. a kind of dust wind tunnel system as claimed in claim 2, which is characterized in that the air hose branch pipe further includes the first wind
Pipe branch pipe, the second air hose branch pipe, third air hose branch pipe；The one of the first elbow of connection is set in one end of the first air hose branch pipe
End, the other end of the first elbow are connect with one end of the total inlet pipe of the air hose；One end of second air hose branch pipe and the second elbow
One end connection, the other end of the second elbow connect with the total inlet pipe intersection of air hose；Second air hose branch pipe is arranged in the first air hose
The top of branch pipe；Third elbow is set in the top of the second air hose branch pipe, one end of third elbow is mutually passed through with the second air hose branch pipe
Connection, the other end of third elbow are connect with one end of third air hose branch pipe；First air hose branch pipe, the second air hose branch pipe, third
Air hose branch pipe is communicated with the atmosphere.
6. a kind of dust wind tunnel system as claimed in claim 5, which is characterized in that the diameter of the first air hose branch pipe is big
It is greater than the diameter of third air hose branch pipe in the diameter of the second air hose branch pipe.
7. a kind of dust wind tunnel system as claimed in claim 2, which is characterized in that the detection mouth further includes that extraction-type is surveyed
Examination mouth, rear scattering formula test mouth test formula of wearing mouth, and the side of the total inlet pipe of the air hose is arranged in extraction-type test mouth；It takes out
It is flange connection that modus ponens, which tests mouth,；Scattering formula test mouth is symmetricly set on the two sides of the total inlet pipe of air hose afterwards, in institute
The two sides of the total inlet pipe of the air hose stated are respectively provided with flange connection；One segment pipe is set across the air hose to formula test mouth is worn
Total inlet pipe, and flange arrangement is set on pipeline.
8. a kind of dust wind tunnel system as claimed in claim 2, which is characterized in that the electric control valve is flange form
Controlled valve；The first air hose shutoff valve and the second air hose shutoff valve is cut-off type motor switch valve.
9. a kind of control method of dust wind tunnel system as described in claim 1, which is characterized in that the dust wind-tunnel system
System control method, steps are as follows:
Step S0；Flow passage selection and detection pattern selection:: in the first air hose branch pipe, the second air hose branch pipe, third air hose
Any one is selected in branch pipe, selects slow channels or middling speed channel or high-speed channel；Select dust detection pattern or
Any one in flue gas inspection mode, enters step S10；
Step S10: judge whether electric control valve is opened: being, then enter step S40；It is no, then enter step 50；
Step S20: parameter setting: temperature, humidity, flow velocity are set in touch screen or tele-control system, entered after preservation
Step S30；
Step S30: test period setting: after test period preservation is arranged in touch screen or tele-control system, into step
Rapid S40；
Step S40: pressing start button on the touchscreen or in tele-control system, and blower starting after starting, enters step
S60；
Step S50: status alert: alarm signal is jumped out on the alarm page, alarm lamp lights；
Step S60: state output: the dust or flue gas of simulation are formed in the duct, enters step S70；
Step S70: select the function of starting: start on the touchscreen or in tele-control system heater or humidifier into
Enter step S80；
Step S80: record data: it includes temperature, humidity, the curved continuous output of flow velocity that tele-control system, which records operation data,
State then enters step S90；
Step S90: state judgement: Rule of judgment: whether there is or not flow velocity signals, if state is, enter step 120；Air-line system temperature
>=60 DEG C of degree；Heter temperature >=75 DEG C；Air-line system humidity >=85%；If state is, 100 are entered step；Step 110；
If state is no, S150 is entered step；
Step S100: heater stops working；After stopping, S120 is entered step；
Step 110: humidifier stops working；After stopping, S120 is entered step；.
Step S120: blower stops working；After stopping, S130 is entered step；
Step S130: test stops；Enter step S50；
Step S150: the starting preproduction phase: dust wind tunnel system enters the starting preproduction phase；After the completion of starting the preproduction phase, into
Enter step S160；
Step S160: working condition preproduction phase: temperature of the dust wind tunnel system from reset condition to setting, humidity, flow velocity
The stage of operating status；After the completion of the working condition preproduction phase, then S170 is entered step；
Step S170: stable conditions differentiate the stage: differentiation of the dust wind tunnel system to the temperature of setting, humidity, flow velocity determines to set
Whether the temperature set, humidity, flow velocity reach the stable conditions stage, after reaching, then enter step S180；
Step S180: operating condition reaches the stable condition stage: dust wind tunnel system maintains the temperature of setting, humidity, flow velocity, setting
After time arrives, then S190 is entered step；
Step S190: enter test period: the detected dust instrument and check and correction dust instrument for being connected to dust wind tunnel system start to survey
Examination, test data are sent in the tele-control system of dust wind tunnel system, and after preservation；Enter step S200:
Step S200: off-test determines: being to enter step S210；It is no, enter step S220；
Step S210: blower normally stops；After stopping, S230 is entered step；
Step S220: continue next working condition tests；Dust wind tunnel system returns to step S0；
Step S230: dust filter unit purging: collecting dust, in case next time uses.
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| CN201910278407.3A CN109932159A (en) | 2019-04-09 | 2019-04-09 | A kind of dust wind tunnel system and its control method |
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| CN201910278407.3A CN109932159A (en) | 2019-04-09 | 2019-04-09 | A kind of dust wind tunnel system and its control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113405960A (en) * | 2021-06-18 | 2021-09-17 | 中煤科工集团重庆研究院有限公司 | Continuous stable and environmental parameter adjustable circulation dust device and test system |
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