CN207528469U - A kind of electric precipitator performance experimental system - Google Patents
A kind of electric precipitator performance experimental system Download PDFInfo
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- CN207528469U CN207528469U CN201721763368.9U CN201721763368U CN207528469U CN 207528469 U CN207528469 U CN 207528469U CN 201721763368 U CN201721763368 U CN 201721763368U CN 207528469 U CN207528469 U CN 207528469U
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- 239000012716 precipitator Substances 0.000 title claims abstract description 166
- 239000003546 flue gas Substances 0.000 claims abstract description 221
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 220
- 238000002474 experimental method Methods 0.000 claims abstract description 135
- 239000000428 dust Substances 0.000 claims abstract description 121
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 238000007664 blowing Methods 0.000 claims abstract description 25
- 238000007689 inspection Methods 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 20
- 238000012360 testing method Methods 0.000 claims description 19
- 230000005684 electric field Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
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- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 2
- 238000011056 performance test Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
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- 238000009826 distribution Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 239000002956 ash Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005367 electrostatic precipitation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 108010001267 Protein Subunits Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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Abstract
The utility model embodiment discloses a kind of electric precipitator performance experimental system, including：Flue gas generation unit, experiment electric precipitator, dust collection unit, flue gas inspection unit and blowing unit；The entrance of the outlet connection experiment electric precipitator of flue gas generation unit, the entrance of the outlet connection dust collection unit of experiment electric precipitator, the entrance of the outlet connection flue gas generation unit of dust collection unit form flue gas recirculation channel；Flue gas generation unit exports the flue gas of default dust concentration to the entrance of experiment electric precipitator；Dust collection unit collects the dust that experiment is not removed with electric precipitator in flue gas；The state of at least one predetermined position flue gas in flue gas inspection unit detection flue gas recirculation channel；Blowing unit adjusts the flow of flue gas in flue gas recirculation channel.Performance test system is built without repetition using the electric precipitator performance experimental system and multinomial experiment can be realized, reduce the consumption of the material resources, manpower and financial resources of performance test.
Description
Technical field
The utility model is related to electrostatic precipitation technology field more particularly to a kind of electric precipitator performance experimental systems.
Background technology
Electric precipitator is most important cleaner now, is widely used in the row such as coal fired power plant, metallurgy, chemical industry, cement
Industry has many advantages, such as that processing exhaust gas volumn is big, resistance is small, low energy consumption, stable operation.The operation principle of electric precipitator is：In flue gas
When dust granule passes through high voltage electric field, collide with interelectrode ion and electronics and charged, charged grit is in electric field force
Under effect to gather dust polar motion and adsorb on dust collector pole, the dust on dust collector pole is made to fall into ash bucket eventually by modes such as rappings
In, so as to be purified the flue gas by electric precipitator.
The development of electric precipitator technology be unable to do without the support of electric precipitator experimental study.That carries out at present is real to electric precipitator
It tests, usually using single experiment content as foundation, respectively each experiment is built corresponding experimental provision and realized, for example, opening
When opening up Volt-Ampere Characteristic, only simply installation cathode line and anode plate carry out Volt-Ampere Characteristic, and can not put into dust progress
Efficiency of dust collection experimental study, experimental provision function is relatively single, and experiment expends larger.
Utility model content
In view of this, the utility model provides a kind of electric precipitator performance experimental system, can solve in the prior art
Respectively corresponding experimental provision is built in each experiment, caused by experimental provision function it is relatively single, experiment expends big asks
Topic.
A kind of electric precipitator performance experimental system that the utility model embodiment provides, including：Flue gas generation unit, experiment
With electric precipitator, dust collection unit, flue gas inspection unit and blowing unit；
The outlet of the flue gas generation unit connects the entrance of the experiment electric precipitator, the experiment electric precipitator
Outlet connect the entrance of the dust collection unit, the outlet of the dust collection unit connects the flue gas generation unit
Entrance forms flue gas recirculation channel；
The flue gas generation unit, for the flue gas of default dust concentration to be exported entering to the experiment electric precipitator
Mouthful；
The dust collection unit, for collecting the dust that experiment described in flue gas is not removed with electric precipitator；
The flue gas inspection unit, for detecting the shape of at least one predetermined position flue gas in the flue gas recirculation channel
State；
The blowing unit, for adjusting the flow of flue gas in the flue gas recirculation channel.
Optionally,
The flue gas generation unit, be additionally operable to adjust the output to the flue gas of the experiment electric precipitator temperature and/or
Humidity.
Optionally,
The dust collection unit is sack cleaner.
Optionally,
The experiment electricity consumption deduster has 2-4 electric field.
Optionally, which further includes：Host computer；
The host computer, for acquiring the smoke behavior of the flue gas inspection unit detection, to obtain the experiment electricity consumption
The working condition of the efficiency of dust collection of deduster and/or the electric precipitator performance experimental system；
The host computer is additionally operable to according to the smoke behavior, controls the flue gas generation unit and the blowing unit,
To adjust the output to the state of the flue gas of the experiment electric precipitator；It is additionally operable to control the work of the experiment electric precipitator
State, to test the working efficiency of the experiment electric precipitator.
Optionally,
Insulating layer is equipped with outside the hull outside of experiment electric precipitator and the flue gas recirculation channel；
Having heaters is set between the hull outside of experiment electric precipitator and the insulating layer；
The heater, for maintaining the temperature of flue gas in the experiment electric precipitator.
Optionally, the flue gas inspection unit, specifically includes：Dust instrument, picture pick-up device, flow detection subelement, pressure
Detection sub-unit, weighing sensor, temperature detection subelement and Humidity Detection subelement；
The dust instrument, for detecting the dust concentration at the experiment electricity consumption house outlet；
The picture pick-up device, for monitoring the experiment electric precipitator internal state；
The flow detection subelement, for detecting at least one predetermined position flue gas in the flue gas recirculation channel
Flow；
The pressure detecting subelement, for detecting at least one predetermined position flue gas in the flue gas recirculation channel
Pressure；
The weighing sensor, for detecting the Dust Capacity of the flue gas generation unit output；
The temperature detection subelement, for detecting at least one predetermined position flue gas in the flue gas recirculation channel
Temperature；
The Humidity Detection subelement, for detecting at least one predetermined position flue gas in the flue gas recirculation channel
Humidity.
Optionally,
The flow detection subelement, including at least a flowmeter, which removes for detecting the experiment electricity consumption
The flow of the inlet flue gas of dirt device；
The pressure detecting subelement, including at least three pressure gauges, which is respectively used to detect the reality
Test the pressure of the entrance and exit and the dust collection unit exit flue gas with electric precipitator；
The temperature detection subelement, including at least three temperature sensors, which is respectively used to examine
Survey the temperature of the entrance of the experiment electric precipitator, inside and exit flue gas；
The Humidity Detection subelement, including at least a humidity sensor, which is used to detect the reality
Test the humidity of the inlet flue gas with electric precipitator.
Optionally, the flue gas generation unit, including：To powder equipment；When the flue gas generation unit be additionally operable to adjust it is defeated
When going out to the temperature of the flue gas of the experiment electric precipitator, the flue gas generation unit further includes：Heat subelement；Work as institute
When stating flue gas generation unit and being additionally operable to adjust the output to the humidity of the flue gas of the experiment electric precipitator, the flue gas generation is single
Member further includes：Humidify subelement；
The entrance of the blowing unit connects the outlet of the dust collection unit, and the air outlet of the blowing unit is one by one
Through the heating subelement, the humidification subelement and the entrance that the experiment electric precipitator is connected to powder equipment.
Optionally, it is described to powder equipment, it specifically includes：Hopper, screw feeding machine, feeding bin, intermediate bin and feed motor；
Experiment is sent to the entrance on the feeding bin top with dust along the outlet of the hopper through the screw feeding machine；
The outlet of the feeding bin lower part connects the entrance of the intermediate bin through Pneumatic butterfly valve；
The outlet of the intermediate bin connects the flue gas recirculation channel through twin-screw charging gear；
The feed motor, it is described defeated to powder equipment to control for controlling the switch degree of the twin-screw charging gear
Go out to the Dust Capacity of flue gas recirculation channel.
Compared with prior art, the utility model has at least the following advantages：
In the utility model embodiment, flue gas generation unit, experiment are mutually interconnected with electric precipitator with dust collection unit
The flue gas recirculation channel to be formed is connect, flue gas is promoted to be recycled in flue gas recirculation channel using blowing unit, in flue gas recirculation channel
Smoke behavior is stablized, and avoids influence of the external environment mutation to experimental result, ensure that the accuracy of experimental result.Flue gas is given birth to
Flue gas into unit output close to default dust concentration simulates true flue gas environment, with to the reality to experiment electric precipitator
It tests and is tested with electric precipitator dust removal performance under specific circumstances and working condition, can not only be obtained to electric precipitator
C-V characteristic is tested, and is compared C-V characteristic of the electric precipitator not under homopolarity distribution type formula, is shown that the pole of optimal discharge characteristic is matched
Pattern；It can also be detected to obtain the state of flue gas in flue gas recirculation channel, actual experiment electric precipitator according to flue gas inspection unit
Dust removal performance, without repeat build performance test system, realize electric precipitator performance multi-functional, that multinomial experiment can be completed
Experimental system reduces the consumption of the material resources, manpower and financial resources of performance test.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or it will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of a kind of electric precipitator performance experimental system that the utility model embodiment provides；
Fig. 2 is the structure diagram of another electric precipitator performance experimental system that the utility model embodiment provides；
Fig. 3 is the structure diagram of a kind of specific electric precipitator experimental system that the utility model embodiment provides；
Fig. 4 is to the schematic diagram of powder equipment in the utility model specific embodiment.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model,
Those of ordinary skill in the art's all other embodiments obtained without making creative work, belong to this reality
With novel protected range.
Referring to Fig. 1, which is that the structure of a kind of electric precipitator performance experimental system that the utility model embodiment provides is shown
It is intended to.
The electric precipitator performance experimental system that the utility model embodiment provides, including：Flue gas generation unit 100, experiment
With electric precipitator 200, dust collection unit 300, flue gas inspection unit 400 and blowing unit 500；
The entrance of the outlet connection experiment electric precipitator 200 of flue gas generation unit 100, experiment electric precipitator 200
The entrance of outlet connection dust collection unit 300, the entrance of the outlet connection flue gas generation unit 100 of dust collection unit 300,
Form flue gas recirculation channel.
In the utility model embodiment, flue gas can be in flue gas generation unit 100, experiment electric precipitator 200 and powder
It moves in circles between dirt collector unit 300, forms flue gas recirculation channel.The flue gas recirculation channel can not only prevent flue gas from revealing
Lead to the dust content of experimental situation to increase, influence the normal operation of environment Instrumental and the health of experimenter；It also is able to protect
The state of flue gas in flue gas recirculation channel is demonstrate,proved, such as flue-gas temperature and humidity are maintained in certain range, avoid extraneous ring
Border is mutated the influence to smoke behavior, maintains stablizing relatively for experiment smoke behavior, eliminates outside environmental elements and experiment is tied
The influence of fruit improves the accuracy of experimental result.
Flue gas generation unit 100, for the flue gas of default dust concentration to be exported entering to experiment electric precipitator 200
Mouthful.
In the utility model embodiment, flue gas generation unit 100 can make output to the cigarette of experiment electric precipitator 200
The dust concentration of gas is adjusted to the desired dust concentration (such as dust concentration similar with practical dedusting scene) of experiment, with
Experiment is tested with the efficiency of dust collection in a particular state of electric precipitator 200 or grading pattern.
When it is implemented, flue gas generation unit 100 can include to powder equipment, add to powder equipment into flue gas recirculation channel
Flyash as being added on the dust-like involved by practical dust removal process makes output to experiment electric precipitator 200 with adjustment
The dust concentration of flue gas, the flue gas for making output to experiment electric precipitator 200 meet practical dedusting scene.
It should also be noted that, in practical applications, hot wet cigarette is generally into the flue gas that electric precipitator is dusted
Gas, the temperature and humidity of flue gas influence whether the electric field strength in electric precipitator so that the electric field of electric precipitator is more easy to puncture, lead
Field voltage deficiency is sent a telegraph, is affected to electric precipitator performance.To make 200 performance of experiment electric precipitator and practical electric precipitator
It is identical, ensure that smoke behavior is close to actual conditions in experiment electric precipitator 200, so as to more accurately to testing electric precipitator
Working efficiency and working condition at dedusting scene are tested, some possible realization methods in the utility model embodiment
In, flue gas generation unit 100 is additionally operable to adjust the output to the temperature and/or humidity of 200 flue gas of experiment electric precipitator.
In some possible realization methods, needed for the temperature of flue gas, saving heat up in fast lifting exhaust gases passes
Energy consumption, insulating layer is equipped with outside the hull outside of experiment electric precipitator 200 and flue gas recirculation channel, with for flue gas
Heat preservation；Also, having heaters is set between the hull outside and insulating layer of experiment electric precipitator 200, which can tie up
The temperature of flue gas in experiment electric precipitator is held, ensures that flue gas does not generate apparent temperature drop in experiment electric precipitator 200.As
One example, the heater can (such as be wrapped in experiment to use with laying between 200 surface of electric precipitator and insulating layer in experiment
Outside the housing of electric precipitator 200) electric tracing cable or resistance wire.
Flue gas is exported to experiment electric precipitator 200, and experiment is in running order with electric precipitator 200, removes in it
Dust in portion's flue gas, the flue gas after dedusting are exported to dust collection unit 300.In the specific implementation, in order to be removed to true electricity
The dust removing effects of dirt device are tested, and ensure that the floor space of electric precipitator experimental system is smaller, experiment electric precipitator 200
The small-sized electric precipitator with 2-4 electric field may be used to realize, including inlet duct, trumpet type entrance smoke box, airflow uniform distribution
Plate, cathode line, dust collection plate, anode and cathode frame, trumpet type outlet smoke box, 100kV/10mA silicon rectifying transformers power supply and
Connecting cable.
What needs to be explained here is that the efficiency of dust collection of electric precipitator is influenced by various factors, generally to particle in flue gas
The dust removing effects of larger dust are more preferable, but smaller dust dust removing effects are weaker to particle, this causes experiment electric precipitator
200 cannot remove the smaller dust of particle in the flue gas of its output completely.And flue gas is in the cigarette of electric precipitator performance experimental system
It moves in circles in gas circulation canal, experiment is adjusting dust with the flue gas that electric precipitator 200 exports by flue gas generation unit 100
Output to the experiment entrance of electric precipitator 200, causes to export into the flue gas of experiment electric precipitator 200 again after concentration
The smaller dust ratio of grain gradually adds up, and the smaller dust concentration of particle in practical flue gas causes to experiment electric precipitation
There are deviations for 200 experimental result of device and actual conditions, influence the accuracy of experiment.Therefore, in the utility model embodiment,
Connection dust collection unit 300 behind the outlet of experiment electric precipitator 200, for collecting experiment electric precipitator 200 in flue gas
The dust not removed.
In the utility model embodiment in some possible realization methods, dust collection unit 300 can be bag-type dusting
Device.Sack cleaner is suitable for trapping tiny, dry, non-fiber dust, mainly includes bag filter ontology, soot blowing
System lets out ash system and electric control gear.
Flue gas inspection unit 400, for detecting the state of at least one predetermined position flue gas in flue gas recirculation channel.
In the utility model embodiment, flue gas inspection unit 400 is used to detect at least one default position in exhaust gases passes
The state of place's flue gas is put, show that providing data supports with the experimental result for electric precipitator.As an example, the shape of flue gas
State can include but is not limited to one or more of following parameter：Dust concentration, temperature, humidity, pressure and flow etc..
The predeterminated position can include：The entrance and exit of experiment electric precipitator 200, flue gas inspection unit 400 enter
Mouth and outlet and the outlet of flue gas generation unit 100 etc., will not enumerate here.Those skilled in the art can be according to reality
Border needs, and the position of specific setting detection smoke behavior, the utility model embodiment is not specifically limited this.It is being embodied
When, the state of flue gas at the experiment entrance and exit of electric precipitator 200 can be detected, to ensure to remove experiment electricity consumption
The experimental result of dirt device 200 it is accurate.
Blowing unit 500, for adjusting the flow of flue gas in flue gas recirculation channel.
In the utility model embodiment, the air blast into flue gas recirculation channel of blowing unit 500 makes flue gas in flue gas recirculation
It is recycled in channel with specific flow.According to actual needs, adjustment blowing unit 500 to air quantity, realize the flow to flue gas
It can be adjusted correspondingly.
In the specific implementation, blowing unit 500 can be arranged in bag filter outlet, air quantity 2000~
10000Nm3/ h is adjustable.Blowing unit 500 can include centrifugal fan, fan frequency conversion controller and air-supply pipeline.Experiment
When, can the air quantity of output be controlled by the rotating speed for the FREQUENCY CONTROL centrifugal fan for adjusting fan frequency conversion controller, be
System provides the air quantity of accurate stable.
In the utility model embodiment, flue gas generation unit, experiment are mutually interconnected with electric precipitator with dust collection unit
The flue gas recirculation channel to be formed is connect, flue gas is promoted to be recycled in flue gas recirculation channel using blowing unit, in flue gas recirculation channel
Smoke behavior is stablized, and avoids influence of the external environment mutation to experimental result, ensure that the accuracy of experimental result.Flue gas is given birth to
Flue gas into unit output close to default dust concentration simulates true flue gas condition, with to the reality to experiment electric precipitator
It tests and is tested with electric precipitator dust removal performance under specific circumstances and working condition, can not only be obtained to electric precipitator
C-V characteristic is tested, and is compared C-V characteristic of the electric precipitator not under homopolarity distribution type formula, is shown that the pole of optimal discharge characteristic is matched
Pattern；The state of flue gas in also adjustable flue gas recirculation channel such as temperature, humidity, tests removing for electric precipitator under different conditions
Dirt performance builds performance test system without repeating, and realizes electric precipitator performance experiment that is multi-functional, can completing multinomial experiment
System reduces the consumption of the material resources, manpower and financial resources of performance test.
Referring to Fig. 2, which is the structural representation of another electric precipitator experimental system that the utility model embodiment provides
Figure.Compared to Fig. 1, this figure provides a kind of more specifical electric precipitator experimental systems.
On the basis of Fig. 1, the electric precipitator experimental system of the utility model embodiment offer can also include：It is upper
Machine 600；
Host computer 600, for acquiring the smoke behavior of the detection of flue gas inspection unit 400, to obtain experiment electric precipitator
200 efficiency of dust collection and/or the working condition of electric precipitator performance experimental system.
In the utility model embodiment, host computer 600 can concentrate the smoke behavior that flue gas inspection unit 400 detects
It has been shown that, so that experimenter is monitored experimental result.Host computer 600 can also be according to the smoke behavior that detects, directly
Obtain the efficiency of dust collection of experiment electric precipitator 200 and/or the working condition of electric precipitator performance experimental system, to control and
Maintenance.
In some possible realization methods, system is tested to the electric precipitator that the utility model embodiment provides in order to realize
The operation and control for entirety of uniting, host computer 600 are additionally operable to the smoke behavior detected according to flue gas inspection unit 400, control flue gas life
Into unit 100 and blowing unit 600, to adjust the output to the state of the flue gas of experiment electric precipitator 200, different flue gases are simulated
Under the conditions of operative scenario, working condition of the electric precipitator under different scenes is tested.Host computer 600 is additionally operable to control
The working condition of experiment electric precipitator 200, with the experiments experiment working efficiency of electric precipitator 200, can specifically pass through tune
Electric power thus supplied (i.e. the voltage and current of output to experiment electric precipitator 200) that is whole and monitoring experiment electric precipitator 200 is real
It is existing.
Referring to Fig. 3, which is the structure of a kind of specific electric precipitator experimental system that the utility model embodiment provides
Schematic diagram.
In the utility model embodiment, flue gas generation unit 100 can specifically include：To powder equipment 101.It is set to powder
Standby 101 are arranged on before 200 entrance of experiment electric precipitator, by leading to the flue gas recirculation of 200 upstream of experiment electric precipitator
Dust, the dust concentration of control output to experiment 200 flue gas of electric precipitator are launched in road.
In some possible realization methods, as shown in figure 4, to powder equipment, specifically include：Hopper 1011, spiral feeding
Machine 1012, feeding bin 1013, intermediate bin 1014 and feed motor 1015；
Experiment dust is sent to the entrance on 1013 top of feeding bin along the outlet of hopper 1011 through screw feeding machine 1012；
Hopper 1011 can be placed on convenient for the position of experimenter's dropping test dust.
Entrance of the outlet of 1013 lower part of feeding bin through Pneumatic butterfly valve connection intermediate bin 1014；
The outlet of intermediate bin 1014 connects flue gas recirculation channel through 1016 charging gear of twin-screw；
Be fed motor 1015, for controlling the switch degree of twin-screw charging gear 1016, with control to powder equipment export to
The Dust Capacity of flue gas recirculation channel.
In practical applications, the dust concentration needed according to actual experiment, frequency control feed motor 1015 adjust centre
Storehouse 1014 is thrown to the Dust Capacity of flue gas recirculation channel, and feed precision can be can be controlled within 1%, realizes precisely feed.
When flue gas generation unit 100 is additionally operable to adjust the output to the temperature of the flue gas of experiment electric precipitator 200, flue gas
Generation unit further includes：Heat subelement 102；When flue gas generation unit 100 is additionally operable to adjust the output to experiment electric precipitator
During the humidity of 200 flue gas, flue gas generation unit 100 further includes：Humidify subelement 103.
In some possible realization methods, the outlet of the entrance connection dust collection unit 300 of blowing unit 500 is sent
The air outlet of wind unit 500 one by one heated subelement 102, humidification subelement 103 and to powder equipment 101 connect experiment electricity consumption remove
The entrance of dirt device 200.
In the specific implementation, heating subelement 102 can control flue-gas temperature room temperature to 150 DEG C it is adjustable.Heating is single
Member 10 can specifically include：Electric heater and master control table.Master control table can acquire heater outlet temperature signal, micro- through proportional integration
(Proportion Integration Differentiation, PID) is divided to calculate, outputs a control signal to power controller,
The output power of electric heater is automatically adjusted by power controller, flue gas is made to be heated to the temperature value of setting, it can be achieved that flue gas
Temperature fluctuates in ± 5 DEG C.Humidification subelement 103 can specifically include：Electric heating humidifier, humidity sensor and power control
Device.Humidity sensor acquisition electric heating humidifier downstream flue gas moisture signal, calculates through PID, outputs a control signal to power
Controller, by power controller adjustment output to electric heating humidifier voltage, to control the humidification amount of electric heating humidifier, it can be achieved that
It is less than 5% fluctuation within humidity 20000PPM.
In practical applications, host computer can by control dust device 101 start and stop and feeding coal and control blow
The start and stop of unit 500 and air quantity are adjusted, the dust concentration of control output to experiment electric precipitator 200；Control heating subelement
102 start and stop and heating power adjust to control flue-gas temperature；Control humidification subelement 103 start and stop and humidification power regulation with
Control smoke moisture.
In the utility model embodiment, flue gas inspection unit 400 can specifically include：Dust instrument 401, picture pick-up device
402nd, flow detection subelement, pressure detecting subelement, weighing sensor (being not shown), temperature detection subelement and wet
Spend detection sub-unit.
Dust instrument 401, for the test experience dust concentration in 200 exit of electric precipitator.In some possible realizations
In mode, can also one dust instrument be equally set in 200 inlet of experiment electric precipitator, it is real so as to accurately obtain entering
Test the dust concentration with electric precipitator 200, the dust concentration of accurate control output to experiment electric precipitator 200.
Picture pick-up device 402, the colour TV camera that can be arranged at the top of 200 electric field of experiment electric precipitator, for supervising
Survey experiment 200 internal state of electric precipitator, such as the shape that gathers dust of electric field internal discharge situation and experiment electric precipitator 200
Condition.
Weighing sensor, for detecting the Dust Capacity of the output of flue gas generation unit 100.It for example, can be in powder equipment
The weighing sensor is set, with the Dust Capacity of detection output to flue gas recirculation channel.
Flow detection subelement, for detecting the flow of at least one predetermined position flue gas in flue gas recirculation channel.Make
For an example, flow detection subelement, including at least a flowmeter 403, can be arranged on blowing unit 500 outlet or
Person tests the inlet with electric precipitator 200.The flowmeter 403 is used for the inlet flue gas of test experience electric precipitator 200
Flow.In practical applications, it can determine that output to experiment is used according to the Dust Capacity that flowmeter 403 and weighing sensor measure
The dust concentration of electric precipitator 200.
Pressure detecting subelement, for detecting the pressure of at least one predetermined position flue gas in flue gas recirculation channel.Make
For an example, pressure detecting subelement, including at least three pressure gauges 404, which may be respectively used for examining
Survey the pressure of the 300 exit flue gas of entrance and exit and dust collection unit of experiment electric precipitator 200.
It is understood that according to experiment 200 discharge gage of electric precipitator and 300 exit of dust collection unit
404 registration difference of pressure gauge can obtain the pressure drop of dust collection unit 300, according to this voltage drop value, it can be determined that go out dust receipts
Whether collection 300 filter bag of unit occurs dust blocking, and determines the frequency of 300 jetting deashing of adjustment dust collection unit, avoids powder
Dirt is excessive in 300 accumulated plugging flue gas recirculation channel of dust collection unit, the power consumption of blowing unit 500.In practical applications, also
It can detect in flue gas recirculation channel with the presence or absence of place of leaking out according to the pressure gauge 404 for being arranged on different location, dust avoided to let out
Experimental results error caused by dew and the influence to site environment.
Temperature detection subelement, for detecting the temperature of at least one predetermined position flue gas in flue gas recirculation channel.Make
For an example, temperature detection subelement, including at least three temperature sensors 405, which can divide
Not Yong Yu the entrance of test experience electric precipitator 200, inside and exit flue gas temperature.
Humidity Detection subelement, for detecting the humidity of at least one predetermined position flue gas in flue gas recirculation channel.Make
For an example, Humidity Detection subelement, including at least a humidity sensor 406, which is used to detect reality
Test the humidity of the inlet flue gas with electric precipitator 200.
Using above-mentioned flue gas inspection unit 400, can realize wet to dust powder-feeding amount, dust concentration, flue-gas temperature, flue gas
Degree, pressure, flow, the real-time monitoring for testing the parameters such as the pressure drop for using electric precipitator 200 and dust collection unit 300, for experiment
The control of process and obtaining for experimental result provide control foundation and data support.
In practical applications, experimenter utilizes the electric precipitator performance experimental system that the utility model embodiment provides,
It can at least realize following five kinds of experimental projects, the research for electrostatic precipitation technology provides support：
First, Volt-Ampere Characteristic.The cathode line of specific model is configured with electric precipitator for experiment and anode plate is risen
Compacting is tested, and can obtain the C-V characteristic of the experiment electric precipitator, and corresponding C-V characteristic can be directly exported by host computer
Curve.
Second, pole is tested with type selecting.Different cathode lines and anode plate pattern are replaced for experiment electric precipitator, specific
Smoke behavior under compare the not respective C-V characteristic of homopolarity distribution type formula, can obtain under the smoke behavior have optimal discharge characteristic
Pole match pattern.
Third, efficiency of dust collection experiment.Practical dust is put into experiment electric precipitator, under specific smoke behavior, according to
The dust concentration of experiment electric precipitator entrance and exit can obtain the dedusting of experiment electric precipitator under the specific smoke behavior
Efficiency.
4th, cold conditions and hot electric precipitator are tested.When heating subelement is not actuated, electric precipitator cold conditions reality can be carried out
It tests；Start heating subelement to heat flue gas, electric precipitator Thermal-state test can be carried out.
5th, the experiment of dedusting influence factor.Under the conditions of different temperatures, different humidity, dust concentration, electric precipitator is tested
C-V characteristic, efficiency of dust collection, can obtain flue-gas temperature and humidity and dust concentration to C-V characteristic and efficiency of dust collection
Influence.
It should be noted that each embodiment is described by the way of progressive in this specification, each embodiment emphasis is said
Bright is all difference from other examples, and just to refer each other for identical similar portion between each embodiment.Term " packet
Include ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that the mistake including a series of elements
Journey, method, article or equipment not only include those elements, but also including other elements that are not explicitly listed, either
It further includes as elements inherent to such a process, method, article, or device.In the absence of more restrictions, by sentence
The element that "including a ..." limits, it is not excluded that also deposit in the process, method, article or apparatus that includes the element
In other identical element.
The above is only the section Example of the utility model, and not the utility model is made in any form
Limitation.Although the utility model has been disclosed with preferred embodiment as above, it is not limited to the utility model.It is any ripe
Those skilled in the art is known, in the case where not departing from technical solutions of the utility model ambit, all using the side of the disclosure above
Method and technology contents technical solutions of the utility model are made many possible changes and modifications or be revised as equivalent variations etc.
Imitate embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the technical essence of the utility model to
Any simple modifications, equivalents, and modifications that upper embodiment is done still fall within the model of technical solutions of the utility model protection
In enclosing.
Claims (10)
1. a kind of electric precipitator performance experimental system, which is characterized in that including：Flue gas generation unit, experiment electric precipitator, powder
Dirt collector unit, flue gas inspection unit and blowing unit；
The outlet of the flue gas generation unit connects the entrance of the experiment electric precipitator, and the experiment electric precipitator goes out
Mouth connects the entrance of the dust collection unit, and the outlet of the dust collection unit connects entering for the flue gas generation unit
Mouthful, form flue gas recirculation channel；
The flue gas generation unit, for exporting the flue gas of default dust concentration to the entrance of the experiment electric precipitator；
The dust collection unit, for collecting the dust that experiment described in flue gas is not removed with electric precipitator；
The flue gas inspection unit, for detecting the state of at least one predetermined position flue gas in the flue gas recirculation channel；
The blowing unit, for adjusting the flow of flue gas in the flue gas recirculation channel.
2. system according to claim 1, which is characterized in that
The flue gas generation unit is additionally operable to adjust the output to the temperature and/or humidity of the flue gas of the experiment electric precipitator.
3. system according to claim 1, which is characterized in that the dust collection unit is sack cleaner.
4. system according to claim 1, which is characterized in that the experiment electricity consumption deduster has 2-4 electric field.
5. system according to any one of claims 1-4, which is characterized in that the system further includes：Host computer；
The host computer, for acquiring the smoke behavior of the flue gas inspection unit detection, to obtain the experiment electric precipitation
The working condition of the efficiency of dust collection of device and/or the electric precipitator performance experimental system；
The host computer is additionally operable to according to the smoke behavior, controls the flue gas generation unit and the blowing unit, to adjust
Section is exported to the state of the flue gas of the experiment electric precipitator；It is additionally operable to control the work shape of the experiment electric precipitator
State, to test the working efficiency of the experiment electric precipitator.
6. system according to any one of claims 1-4, which is characterized in that
Insulating layer is equipped with outside the hull outside of experiment electric precipitator and the flue gas recirculation channel；
Having heaters is set between the hull outside of experiment electric precipitator and the insulating layer；
The heater, for maintaining the temperature of flue gas in the experiment electric precipitator.
7. system according to any one of claims 1-4, which is characterized in that the flue gas inspection unit specifically includes：
Dust instrument, picture pick-up device, flow detection subelement, pressure detecting subelement, weighing sensor, temperature detection subelement and humidity
Detection sub-unit；
The dust instrument, for detecting the dust concentration at the experiment electricity consumption house outlet；
The picture pick-up device, for monitoring the experiment electric precipitator internal state；
The flow detection subelement, for detecting the stream of at least one predetermined position flue gas in the flue gas recirculation channel
Amount；
The pressure detecting subelement, for detecting the pressure of at least one predetermined position flue gas in the flue gas recirculation channel
Power；
The weighing sensor, for detecting the Dust Capacity of the flue gas generation unit output；
The temperature detection subelement, for detecting the temperature of at least one predetermined position flue gas in the flue gas recirculation channel
Degree；
The Humidity Detection subelement, for detecting the wet of at least one predetermined position flue gas in the flue gas recirculation channel
Degree.
8. system according to claim 7, which is characterized in that
The flow detection subelement, including at least a flowmeter, which is used to detect the experiment electric precipitator
Inlet flue gas flow；
The pressure detecting subelement, including at least three pressure gauges, which is respectively used to detect the experiment use
The pressure of the entrance and exit of electric precipitator and the dust collection unit exit flue gas；
The temperature detection subelement, including at least three temperature sensors, which is respectively used to detection institute
State the temperature of the entrance of experiment electric precipitator, inside and exit flue gas；
The Humidity Detection subelement, including at least a humidity sensor, which uses for detecting the experiment
The humidity of the inlet flue gas of electric precipitator.
9. system according to claim 2, which is characterized in that the flue gas generation unit, including：To powder equipment；Work as institute
When stating flue gas generation unit and being additionally operable to adjust the output to the temperature of the flue gas of the experiment electric precipitator, the flue gas generation is single
Member further includes：Heat subelement；When the flue gas generation unit is additionally operable to adjust the output to the cigarette of the experiment electric precipitator
During the humidity of gas, the flue gas generation unit further includes：Humidify subelement；
The entrance of the blowing unit connects the outlet of the dust collection unit, and the air outlet of the blowing unit is one by one through institute
State heating subelement, the humidification subelement and the entrance that the experiment electric precipitator is connected to powder equipment.
10. system according to claim 9, which is characterized in that it is described to powder equipment, it specifically includes：Hopper, spiral feeding
Machine, feeding bin, intermediate bin and feed motor；
Experiment is sent to the entrance on the feeding bin top with dust along the outlet of the hopper through the screw feeding machine；
The outlet of the feeding bin lower part connects the entrance of the intermediate bin through Pneumatic butterfly valve；
The outlet of the intermediate bin connects the flue gas recirculation channel through twin-screw charging gear；
The feed motor, for controlling the switch degree of the twin-screw charging gear, with control it is described to powder equipment export to
The Dust Capacity of flue gas recirculation channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721763368.9U CN207528469U (en) | 2017-12-15 | 2017-12-15 | A kind of electric precipitator performance experimental system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721763368.9U CN207528469U (en) | 2017-12-15 | 2017-12-15 | A kind of electric precipitator performance experimental system |
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| CN207528469U true CN207528469U (en) | 2018-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894342A (en) * | 2017-12-15 | 2018-04-10 | 福建龙净环保股份有限公司 | A kind of electric precipitator performance experimental system |
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2017
- 2017-12-15 CN CN201721763368.9U patent/CN207528469U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894342A (en) * | 2017-12-15 | 2018-04-10 | 福建龙净环保股份有限公司 | A kind of electric precipitator performance experimental system |
| CN107894342B (en) * | 2017-12-15 | 2024-03-08 | 福建龙净环保股份有限公司 | Performance experiment system of electric dust collector |
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