CN206045652U - A kind of filter capability testing stand - Google Patents
A kind of filter capability testing stand Download PDFInfo
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- CN206045652U CN206045652U CN201621066246.XU CN201621066246U CN206045652U CN 206045652 U CN206045652 U CN 206045652U CN 201621066246 U CN201621066246 U CN 201621066246U CN 206045652 U CN206045652 U CN 206045652U
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Abstract
This utility model provides a kind of filter capability testing stand, and which includes ducting system, resistance measurement system, efficiency test system and measuring system；Ducting system includes being tightly connected the first connecting cylinder to form air channel, the first absolute filter, test air duct and the second absolute filter successively；Extraneous tested filter is connected with the outer end opening of the first connecting cylinder with the first opening and the second opening, the first opening；Ducting system also includes blower fan, and the delivery outlet of blower fan is connected with the outer end opening of the second absolute filter；Resistance measurement system at least includes the first static pressure rings being arranged on the first connecting cylinder, and the first static pressure rings are used for the resistance for testing tested filter；Efficiency test system is connected with the second opening；Measuring system at least includes orifice flowmeter, and orifice flowmeter is arranged in test air duct, and the air mass flow in energy experiment with measuring air duct.This utility model can carry out various tests, and the accuracy of gathered data is high, simple to operate, easy to use.
Description
Technical field
This utility model is related to the technical field of testing equipment, more particularly to a kind of test for testing filters performance
Platform.
Background technology
Filter is played an important role in the filter process of air, its initial resistance, efficiency of dust filtration and Drainage efficiency
It is the major criterion for judging filter capability etc. index.Existing testing stand cannot be measured simultaneously to These parameters, tested
Project is single, and testing efficiency is relatively low.And, existing testing stand is single to the test mode of efficiency of dust filtration, is easily subject to the external world
The impact of other factors, so that the data of collection have larger deviation, causes the desired value accuracy for drawing not high.
Utility model content
To solve above-mentioned technical problem, the utility model proposes a kind of filter capability testing stand, can be respectively used to resistance
Power, efficiency of dust filtration, the test of Drainage efficiency, measure corresponding performance indications, and the accuracy of gathered data is high, simple to operate, makes
With conveniently.
The utility model proposes a kind of filter capability testing stand, the filter capability testing stand includes：
Ducting system, including be tightly connected successively to form air channel the first connecting cylinder, the first absolute filter, test air duct
With the second absolute filter；Extraneous tested filter with the first opening and the second opening, first opening and described the
The outer end opening connection of one connecting cylinder；The ducting system also includes blower fan, and the delivery outlet of the blower fan is absolute with described second
The outer end opening connection of filter；
Resistance measurement system, at least including the first static pressure rings being arranged on first connecting cylinder, first static pressure
Ring is used for the resistance for testing the tested filter；
Efficiency test system, which is connected with the described second opening；
Measuring system, at least including orifice flowmeter, the orifice flowmeter is arranged in the test air duct, and can be surveyed
Air mass flow in the amount test air duct.
Used as another kind of enforceable mode, the efficiency test system is efficiency of dust filtration test system；
The dust filtration efficiency test system include dissipating into the air channel dust send out dirt device, sampling pump, first
Sampling tube, the first sampling kettle and the first sampling film that can be positioned in the first sampling kettle；
Described dirt device at least includes removedly being connected to the dust tube of second opening；First sampling tube
One end open and first connecting cylinder inner space, another end opening of first sampling tube and the described first sampling
The one end open connection of kettle, another end opening of the first sampling kettle are connected with the sampling pump；
The measuring system also include balance, the balance to test before and after first sampling film weigh.
Used as another kind of enforceable mode, the efficiency test system is efficiency of dust filtration test system；
What the dust filtration efficiency test system included dissipating into the air channel dust sends out dirt device, stucco air duct and the
One filter bag；The stucco air duct is removedly connected to second opening, and described dirt device at least includes dust tube, described
The inner space of the inner chamber of dust tube and the stucco air duct；First filter bag is removedly connected to the described first absolute mistake
In filter；
The measuring system also include balance, the balance to test before and after first filter bag weigh.
Used as another kind of enforceable mode, the efficiency test system is Drainage efficiency test system；
The Drainage efficiency test system includes absorbing membrane and device of drenching with rain；The absorbing membrane is removedly connected to described
Between tested filter and first connecting cylinder, the device of drenching with rain can movably be disposed on the tested filter
Outside, and can be towards the described second opening water spray；
The measuring system also includes water ga(u)ge and balance, and the water ga(u)ge measurement is described to drench with rain what device sprayed
Water, the balance to test before and after the absorbing membrane weigh.
Further, the ducting system also includes the second connecting cylinder, and second connecting cylinder is removedly connected to institute
State between the second opening and the dust tube；
The dust filtration efficiency test system also includes the second sampling tube, the second sampling kettle and can be positioned over second sampling
The second sampling film in kettle；
The inner space of the one end open of second sampling tube and second connecting cylinder, second sampling tube it is another
One end open is connected with the one end open of the described second sampling kettle, another end opening and the sampling pump of the second sampling kettle
Connection；The balance to test before and after second sampling film weigh；
The resistance measurement mechanism also includes the second static pressure rings being arranged on second connecting cylinder, second static pressure
Ring is used for the resistance for testing the tested filter.
Further, the dust filtration efficiency test system also includes removedly being connected in second absolute filter
The second filter bag.
Further, described dirt device also includes hello the dirt device with dust mouth, the one end open of the dust tube
Connect with the dust mouth, its other end is arranged on the side wall of second connecting cylinder, the dust tube connects with described second
The junction point for connecing cylinder is located at the one end on second connecting cylinder away from the tested filter.
Further, described dirt device also includes hello the dirt device with dust mouth, the one end open of the dust tube
Connect with the dust mouth, its other end is arranged on the side wall of the stucco air duct, the dust tube and the stucco air duct
Junction point be located at the stucco air duct on away from the tested filter one end.
Further, the ducting system also includes being connected at the input port of the blower fan ripple for being used for noise reduction in turn
Pipe, the deafener for vibration damping and the ultimate filter for Chalk-dust filtering.
Further, the filter capability testing stand also includes control system；
The control system and the blower fan, the resistance measurement system, the efficiency test system and the measurement system
System is electrically connected, and the control system controls the blower fan, the resistance measurement system, the efficiency test system and opens
Stop, the control system receives the data signal that the measuring system is measured.
This utility model compared to the beneficial effect of prior art is：Filter capability testing stand of the present utility model,
Various tests can be carried out, the test of resistance, efficiency of dust filtration and Drainage efficiency can be carried out to tested filter respectively.Using this practicality
When novel test resistance, efficiency of dust filtration and Drainage efficiency, the rotating speed of blower fan is can adjust, so as to simulate the tested mistake under different wind speed
The performance indications of filter.And, the simple to operate of related components of the present utility model is installed or removed, it is easy to use, save time
It is laborsaving, improve test efficiency.
This utility model can not only carry out the test of efficiency of dust filtration by sample mode to tested filter, can also pass through
Weight calculation mode carries out the test of efficiency of dust filtration, selects suitable mode to be tested with reference to practical situation, is conducive to improving collection
The accuracy of data, the accuracy of the index drawn after calculating also accordingly can be improved.
Description of the drawings
Fig. 1 is structural representation of the filter capability testing stand of the present utility model when using the first filter dirt test system
Figure；
Fig. 2 is structural representation of the filter capability testing stand of the present utility model when using the second filter dirt test system
Figure；
Fig. 3 is structural representation of the filter capability testing stand of the present utility model when using Drainage efficiency test system
Figure；
Fig. 4 is the structural representation of the device of drenching with rain of filter capability testing stand of the present utility model；
Fig. 5 is the structural representation for feeding dirt device of filter capability testing stand of the present utility model；
Fig. 6 is the front schematic perspective view of the control system of filter capability testing stand of the present utility model；
Fig. 7 is the back side schematic perspective view of the control system of filter capability testing stand of the present utility model.
Reference：
The tested filters of 100-；
The first connecting cylinders of 12-；The second connecting cylinders of 13-；The first absolute filters of 14-；
16- tests air duct；The second absolute filters of 18-；
The first static pressure rings of 22-；The second static pressure rings of 24-；
30- sends out dirt device；
32- feeds dirt device；322- sends out dirt disk；324- feeds dirt roller；326- infrared lamps；34- dust tubes；
42- sampling pumps；The first sampling tubes of 44-；The second sampling tubes of 45-；
The sampling kettles of 46- first；The sampling kettles of 47- second；
52- stucco air ducts；
64- drenches with rain device；
642- water pumps；644- storage tanks；646- nozzles；
72- orifice flowmeters；74- water ga(u)ges；76- balances；
82- blower fans；84- corrugated tubes；85- butterfly valves；86- deafeners；88- ultimate filters；
90- control systems；91- control stations；92- processors；
93- data collecting instruments；94- flow integrators；
95- sends out dirt system controller；96- controller of fan；97- intelligence manual operators.
Specific embodiment
Below in conjunction with accompanying drawing, the technical characteristic above-mentioned to this utility model and advantage are clearly and completely described, and show
So, described embodiment is only section Example of the present utility model, rather than whole embodiments.
Refer to shown in Fig. 1 and Fig. 2, the utility model proposes a kind of filter capability testing stand, it include ducting system,
Resistance measurement system, efficiency test system and measuring system.
Ducting system includes being tightly connected the first connecting cylinder 12 to form air channel, the first absolute filter 14, test successively
Air duct 16 and the second absolute filter 18；Extraneous tested filter 100 with the first opening and the second opening, the first opening with
The outer end opening connection of the first connecting cylinder 12；Ducting system also includes blower fan 82, the delivery outlet of blower fan 82 and the second absolute filtration
The outer end opening connection of device 18.
Resistance measurement system at least includes the first static pressure rings 22 being arranged on the first connecting cylinder 12, and the first static pressure rings 22 are used
In the resistance for testing tested filter 100.Efficiency test system is connected with the second opening, for testing tested filter 100
Performance.Measuring system at least includes orifice flowmeter 72, and orifice flowmeter 72 is arranged in test air duct 16, and can experiment with measuring
Air mass flow in air duct 16.
That is, the inner chamber of the first connecting cylinder 12, the inner chamber of the first absolute filter 14, test air duct 16 inner chamber and
The inner chamber of the second absolute filter 18 is sequentially communicated to form air channel.First absolute filter of inner connection of the first connecting cylinder 12
14, the outer end of the first connecting cylinder 12 is used to connect tested filter 100, the inner joint test air duct of the second absolute filter 18
16, the outer end of the second absolute filter 18 is used for air intake.
More preferably, blower fan 82 is frequency conversion fan, by variable-frequency power sources control, so as to adjust to the flow in air channel
Section.Orifice flowmeter 72 is converted into digital display pattern by the inverse transmitter of difference, is conducive to conveniently and efficiently adjusting in test process
Wind speed.Filter capability testing stand is powered using variable-frequency power sources, makes the regulation of flow in air channel more convenient.
Used as a kind of enforceable mode, filter capability testing stand of the present utility model can be received by sample mode test
The efficiency of dust filtration of examination filter 100, as shown in figure 1, efficiency test system is efficiency of dust filtration test system, efficiency of dust filtration test system
Uniting includes the dirt device 30 that dust can be dissipated into air channel, sampling pump 42, first the 44, first sampling kettle 46 of sampling tube and can put
The first sampling film (being not shown in Fig. 1) being placed in the first sampling kettle 46.
Dirt device 30 is sent out at least including the dust tube 34 for being removedly connected to the second opening；One end of first sampling tube 44
The one end open of the inner space of opening and the first connecting cylinder 12, another end opening of the first sampling tube 44 and the first sampling kettle 46
Connection, (incorporated by reference to shown in Fig. 6, sampling pump 42 is placed on control system to another end opening of the first sampling kettle 46 with sampling pump 42
On 90 control station 92) connection.Measuring system also includes balance 76, and the first sampling film before and after 76 pairs of tests of balance is weighed.
Send out dirt device 30 dust to be dissipated or is ejected in air channel by dust tube 34, send out dirt device 30 and can adjust, control
Powder amount, so as to the correlation values for being conducive to being precisely calculated in process of the test.In 72 experiment with measuring air duct 16 of orifice flowmeter
Air mass flow, the first sampling film before the test of balance 76 pairs weighs；After sampling a period of time, first after 76 pairs of tests of balance
Sampling film is weighed, and can calculate the efficiency of dust filtration of tested filter 100 by related data.Related computational methods are existing skill
Art, in this not go into detail.Open blower fan 82 and control the wind speed of blower fan 82, the tested filtration under different wind speed can be tested
The efficiency of dust filtration of device 100.
Used as another kind of enforceable mode, filter capability testing stand of the present utility model can be also surveyed by weight calculation mode
The efficiency of dust filtration of tested filter 100 is tried, as shown in Fig. 2 efficiency test system is efficiency of dust filtration test system, efficiency of dust filtration is surveyed
Test system includes dirt device 30, stucco air duct 52 and the first filter bag (being not shown in Fig. 2) that dust can be dissipated into air channel.
Stucco air duct 52 is removedly connected to the second opening, and sending out dirt device 30 at least includes dust tube 34, dust tube 34
Inner chamber and stucco air duct 52 inner space；First filter bag is removedly connected in the first absolute filter 14.Measurement system
System also includes balance 76, and the first filter bag before and after 76 pairs of tests of balance is weighed.
Send out dirt device 30 dust to be dissipated or is ejected in air channel by dust tube 34, send out dirt device 30 and can adjust, control
Powder amount, so as to the correlation values for being conducive to being precisely calculated in process of the test.In 72 experiment with measuring air duct 16 of orifice flowmeter
Air mass flow, the first filter bag before the test of balance 76 pairs weighs；After off-test, the first filter bag after 76 pairs of tests of balance claims
Weight, can calculate the efficiency of dust filtration of tested filter 100 by related data.Related computational methods are prior art, here
No longer it is described in detail.Open blower fan 82 and control the wind speed of blower fan 82, the tested filter 100 under different wind speed can be tested
Efficiency of dust filtration.
As described above, filter capability testing stand of the present utility model is integrated with sample mode and weight calculation mode, to test
Efficiency of dust filtration, it is convenient to tested using any of which.Send out dirt device 30 and can adopt buncher or programmable type
Motor is driven, so as to freely adjust its dirt speed.Air pressure-adjusting valve is set in sending out dirt device 30, for air
The regulation of pressure.
As another kind of enforceable mode, refer to shown in Fig. 3, efficiency test system is Drainage efficiency test system,
Drainage efficiency test system includes absorbing membrane and device 64 of drenching with rain.Absorbing membrane is removedly connected to tested filter 100 and
Between one connecting cylinder 12, device 64 of drenching with rain can movably be disposed on the outside of tested filter 100, and device 64 of drenching with rain can court
Second opening water spray.Measuring system also includes water ga(u)ge 74 and balance 76, and the measurement of water ga(u)ge 74 drenches with rain what device 64 sprayed
Water, the absorbing membrane before and after 76 pairs of tests of balance are weighed.
Device 64 of drenching with rain can be adjusted, be controlled towards the second injection flow rate being open, and water ga(u)ge 74 can record injection flow rate, so as to have
Beneficial to the correlation values being precisely calculated in process of the test.Air mass flow in 72 experiment with measuring air duct 16 of orifice flowmeter, day
Absorbing membrane before flat 76 pairs of tests is weighed；After off-test, the absorbing membrane after 76 pairs of tests of balance is weighed, can by related data
To calculate the Drainage efficiency of tested filter 100.Related computational methods are prior art, and in this not go into detail.Open
Blower fan 82 simultaneously controls the wind speed of blower fan 82, can test the Drainage efficiency of the tested filter 100 under different wind speed.
More preferably, incorporated by reference to device 64 of shown in Fig. 3 and Fig. 4, drenching with rain include for water pressurization water pump 642, storage tank 644,
Return water tank and the nozzle 646 for injection water.The quantity of nozzle 646 is allowed the water to equably to be dispersed into second and is opened for multiple
Mouthful.Return water tank is arranged on the lower section of clearance space between nozzle 646 and the second opening, is introduced into second for reclaiming and holding
The water of opening, and recycle-water is transported to into storage tank 644, as shown in Figure 3, the longitudinal section of return water tank is in an inverted triangle
Shape.Device 64 of drenching with rain is supplied water using the pressurization of water pump 642, can be by Valve controlling flow, so as to carry out the regulation of injection flow rate.
In the present embodiment, water pump 642 is self-priming water pump.Water ga(u)ge 74 is arranged between storage tank 644 and nozzle 646
On pipeline, for the water yield of metered injection.Device 64 of drenching with rain is also provided with water pressure gauge, for measuring hydraulic pressure.Storage tank 644 with
Water knockout drum is also provided between nozzle 646, for the water that storage tank 644 is exported is diverted to each nozzle 646.
Filter capability testing stand of the present utility model, by adopting the efficiency test system with difference in functionality, can be right
Tested filter 100 carries out the test of resistance, efficiency of dust filtration and Drainage efficiency respectively.Using this utility model test resistance, filter
When dirt efficiency and Drainage efficiency, the rotating speed of blower fan 82 is can adjust, so as to simulate the performance of the tested filter 100 under different wind speed
Index.And, the simple to operate of related components of the present utility model is installed or removed, it is easy to use, it is time saving and energy saving, improve
Test efficiency.
This utility model can not only pass through sample mode carry out the test of efficiency of dust filtration to tested filter 100, can be with
The test of efficiency of dust filtration is carried out by weight calculation mode, selects suitable mode to be tested with reference to practical situation, be conducive to improving
The accuracy of gathered data, the accuracy of the index drawn after calculating also accordingly can be improved.
Further, as shown in figure 1, when testing the efficiency of dust filtration of tested filter 100 by sample mode, ducting system
Also include the second connecting cylinder 13, the second connecting cylinder 13 is removedly connected between the second opening and dust tube 34.Efficiency of dust filtration
Test system is also including second the 45, second sampling kettle 47 of sampling tube and the second sampling film that can be positioned in the second sampling kettle 47
(being not shown in Fig. 1).
The inner space of the one end open of the second sampling tube 45 and the second connecting cylinder 13, the other end of the second sampling tube 45 are opened
Mouth is connected with the one end open of the second sampling kettle 47, and another end opening of the second sampling kettle 47 is connected with sampling pump 42；Balance 76
The second sampling film before and after to test is weighed.Resistance measurement mechanism also includes the second static pressure rings being arranged on the second connecting cylinder 13
24, the second static pressure rings 24 are used to test the resistance of tested filter 100.
The first static pressure rings 22 and the second static pressure rings 24 are set respectively in the front and back position of tested filter 100, can be multiple
The resistance of the tested filter of position measurement 100, so as to improve the accuracy of gathered data, the resistance drawn after calculating it is accurate
Degree also accordingly can be improved.More preferably, the first static pressure rings 22 and the second static pressure rings 24 can test the initial resistance of tested filter 100
Power and whole resistance.
Further, when testing the efficiency of dust filtration of tested filter 100 by sample mode, efficiency of dust filtration test system is also
Including the second filter bag being removedly connected in the second absolute filter 18.
It is absolute that first filter bag and the second filter bag are installed to the first absolute filter 14 and second using quick pressure plate structure
In filter 18, absorbing membrane is also adopted by quick pressure plate structure and installs, and not only installation process is convenient and swift for quick pressure plate structure, and
It is fixed reliable, do not allow at higher wind speeds easy to fall off yet.
Further, when testing the efficiency of dust filtration of tested filter 100 by sample mode, sending out dirt device 30 also includes
Hello dirt device 32 (referring to shown in Fig. 5) with dust mouth, the one end open of dust tube 34 are connected with dust mouth, dust tube 34
The other end is arranged on the side wall of the second connecting cylinder 13, and the junction point of dust tube 34 and the second connecting cylinder 13 is located at the second connecting cylinder
On 13 away from tested filter 100 one end.That is, the inner space of the inner chamber of dust tube 34 and the second connecting cylinder 13,
Dust is made more uniformly to diffuse to the second opening of tested filter 100 by the second connecting cylinder 13.
Further, when testing the efficiency of dust filtration of tested filter 100 by weight calculation mode, sending out dirt device 30 also includes
Hello dirt device 32 with dust mouth, the one end open of dust tube 34 are connected with dust mouth, and the other end of dust tube 34 is arranged on and spreads
On the side wall of sand air duct 52, dust tube 34 is located on stucco air duct 52 away from tested filter with the junction point of stucco air duct 52
100 one end.
More preferably, as shown in Fig. 2 stucco air duct 52 is loudspeaker in the side of the second opening towards tested filter 100
Mouthful, i.e. the shape of flaring outwardly makes the dust sprayed via dust tube 34 that certain impulsive force is formed in extension diameter section, is conducive to
Ensure that tested filter 100 can be uniformly in contact with simultaneously Chalk-dust filtering, so as to obtain metastable test result.
More preferably, refer to shown in Fig. 5, feeding dirt device 32 is included for placing sending out dirt disk 322, feeding 324 and of dirt roller for dust
Infrared lamp 326.Feed dirt roller 324 and be arranged on the top for sending out dirt disk 322, the uniformity of 32 dirt of dirt device is fed for control.It is infrared
Line lamp 326 is arranged on the top for sending out dirt disk 322, and is spaced a distance with dirt disk 322 is sent out, and infrared lamp 326 is towards a dirt
Disk 322 irradiates, and for toasting to sending out the dust in dirt disk 322, prevents dust bonding to hello dirt roller 324.By two
Motor drives the one end open direction of the rotation for moving horizontally and feeding dirt roller 324 for sending out dirt disk 322, dust tube 34 to send out respectively
Dirt disk 322, its another end opening can erupt dust.One is arranged at the middle part of dust tube 34 is used to connect the joint of external wind source.
Further, as depicted in figs. 1 and 2, ducting system also includes being connected to ripple at the input port of blower fan 82 in turn
Pipe 84, deafener 86 and ultimate filter 88, Jing ultimate filters 88, deafener 86 and corrugated tube 84 enter extraneous air successively
Enter blower fan 82.Corrugated tube 84 is used for as 82 noise reduction of blower fan in process of the test, and deafener 86 is used for as the blower fan in process of the test
82 vibration dampings, ultimate filter 88 are used for Chalk-dust filtering, prevent the dust in process of the test from spilling into outside contamination environment.
More preferably, butterfly valve 85 is set in ducting system, the input port that blower fan 82 can be adjusted into a small range is entered
Air quantity.In the present embodiment, butterfly valve 85 is electric butterfly valve.
More preferably, as depicted in figs. 1 and 2, first connecting cylinder 12 in formation air channel, the first absolute filter 14, test wind
Cylinder 16 and the second absolute filter 18 are held up by support respectively, on fixed installation level ground.Can be torn open with the second opening respectively
The second connecting cylinder 13 for connecting with unloading, stucco air duct 52 can be arranged on travel(l)ing rest, and travel(l)ing rest can be on level ground
Slide, so as to more easily move.As shown in figure 1, travel(l)ing rest can also adjust height up and down, the end of the second connecting cylinder 13 is made
Portion's opening, the open-ended of stucco air duct 52 easily can be connected with the second open butt joint.
More preferably, as the dust tube 34 for sending out dirt device 30 is removedly connected to the second opening, and work as efficiency test
System is Drainage efficiency test system, when filter capability testing stand needs to test the Drainage efficiency of tested filter 100, no longer
Need to send out dirt device 30, as depicted in figs. 1 and 2, a dirt device 30 is arranged on the travel(l)ing rest that can be slided on level ground
On, easily can will send out dirt device 30 and withdraw from test site.
In the same manner, when efficiency test system is efficiency of dust filtration test system, filter capability testing stand needs to test tested mistake
During the efficiency of dust filtration of filter 100, it is no longer necessary to device 64 of drenching with rain, device 64 of drenching with rain is arranged on what is can slided on level ground
On travel(l)ing rest, device 64 of easily drenching with rain is withdrawn from test site.It is dismounting between each parts of the present utility model
Formula connects, and can flexibly be adapted to various test requests, and the functional diversities of filter capability testing stand improve test effect
Rate, simple to operate, convenient use.
Further, refer to shown in Fig. 6 and Fig. 7, filter capability testing stand also includes control system 90, control system
90 are electrically connected with blower fan 82, resistance measurement system, efficiency test system and measuring system, the control blower fan of control system 90
82nd, the start and stop of resistance measurement system, efficiency test system, control system 90 receive the data signal that measuring system is measured.
In the present embodiment, control system 90 and the first static pressure rings 22, orifice flowmeter 72, water ga(u)ge 74, balance 76, drench
Rain device 64, a dirt device 30 and blower fan 82 are electrically connected.First static pressure rings 22 measure the resistance of tested filter 100 and pass
To control system 90, orifice flowmeter 72 measures air mass flow and transmits air flow rate signal to control system defeated resistance signal
90, water ga(u)ge 74 measures the injection flow rate of device 64 of drenching with rain and transmits water flow signal to control system 90, what balance 76 was measured
Weight signal is transferred to control system 90.
The control of control system 90 is drenched with rain device 64, the start and stop for sending out dirt device 30 and blower fan 82, and can control device 64 of drenching with rain
Injection flow rate, send out dirt device 30 powder amount and blower fan 82 wind speed.
In filter capability testing stand of the present utility model, will be each system altitude integrated, data are provided with control station 91
Acquisition Instrument 93, for electrically connecting to the first static pressure rings 22 and the second static pressure rings 24, so as to collect the resistance of tested filter 100
Value, data collecting instrument 93 can also gather the air mass flow that orifice flowmeter 72 is measured, and in the present embodiment, data collecting instrument 93 is
Nine channel data Acquisition Instruments.The air mass flow that orifice flowmeter 72 is measured by flow integrator 94 carries out correlation computations.
More preferably, control system 90 can also include Hygrothermograph, air cartridge pressure gauge and chopper etc..Hygrothermograph is used
Temperature, humidity in experiment with measuring environment, air cartridge pressure gauge are used for the atmospheric pressure of experiment with measuring environment, and it is right that chopper is used for
The main power of filter capability testing stand is controlled.
Send out dirt system controller 95 to control to send out the start and stop of dirt device 30, send out dirt speed and powder amount.Controller of fan
96 start and stop that can control blower fan 82 and wind speed.Intelligent manual operator 97 can control the folding size of butterfly valve 85.Control system 90
Related data is collected, and is calculated by processor 92, improve test efficiency.
Filter capability testing stand of the present utility model carries out resistance test, sample mode test to tested filter 100
Efficiency of dust filtration test, weight calculation mode test efficiency of dust filtration test and Drainage efficiency test specifically used method enumerate respectively as
Under：
1st, test the resistance of tested filter 100；
Step S12, as shown in figure 1, by the second absolute filter 18, testing air duct 16, the first absolute filter 14, first
Connecting cylinder 12 and the second connecting cylinder 13 from left to right are tightly connected to form air channel successively, and tested filter 100 is arranged on first
Between connecting cylinder 12 and the second connecting cylinder 13, the first opening and the outer end opening of the first connecting cylinder 12 of tested filter 100 connect
It is logical, the inner open communication of the second opening and the second connecting cylinder 13；
The delivery outlet of blower fan 82 is connected with the outer end opening of the second absolute filter 18；Connect in the first connecting cylinder 12 and second
Connect；
Step S14, according to the incoming air area and the wind speed that need to be tested of tested filter 100, calculates in test air duct 16
Air mass flow；
Step S16, starts blower fan 82, adjusts the air stream in air channel by controller of fan 96 and intelligent manual operator 97
Amount, it is close with the 16 required air mass flow of test air duct for calculating to make the instantaneous delivery shown on flow integrator 94；
Step S16, is read by connecting the display window of the first static pressure rings 22 and the second static pressure rings 24 in data collecting instrument 93
Go out its Resistance Value and record.
Wherein, the first absolute filter 14 and the second absolute filter 18 preferably do not install filter bag additional eventually, to reduce blower fan
Load.Need to check the sealing of whole ducting system after tested filter 100 is installed.
2nd, the efficiency of dust filtration of tested filter 100 is tested by sample mode；
Step S21, as shown in figure 1, by the second absolute filter 18, testing air duct 16, the first absolute filter 14, first
Connecting cylinder 12 and the second connecting cylinder 13 from left to right are tightly connected to form air channel successively, and tested filter 100 is arranged on first
Between connecting cylinder 12 and the second connecting cylinder 13, the first opening and the outer end opening of the first connecting cylinder 12 of tested filter 100 connect
It is logical, the inner open communication of the second opening and the second connecting cylinder 13；
The delivery outlet of blower fan 82 is connected with the outer end opening of the second absolute filter 18；Dust tube 34 is removedly connected to
On second connecting cylinder 13；Connect first the 44, first sampling kettle 46 of sampling tube on the first connecting cylinder 12 and first can be positioned over and adopt
The first sampling film in sample kettle 46, connects second the 45, second sampling kettle 47 of sampling tube on the second connecting cylinder 13 and can be positioned over
The second sampling film in second sampling kettle 47, the first sampling kettle 46 and the second sampling kettle 47 connect sampling pump 42 respectively；
Step S22, according to the incoming air area and the wind speed that need to be tested of tested filter 100, calculates in test air duct 16
Air mass flow；
Step S23, adjusts and sends out dirt device 30 in the case where wind speed is specified by a dirt speed of tested filter 100；If adopted
Buncher powder producer is used, the rotating speed of motor need to be regulated in advance；If adopting motor powder producer, SH- need to be used in advance
4ZZW controllers are programmed；
Step S24, when calculating specified wind speed, installs the first connecting cylinder 12 and the wind speed at the second connecting cylinder 13, with this
The air specific discharge needed in calculating the first sampling tube 44 and the second sampling tube 45；
Step S25, after the first sampling film and the second sampling film are weighed respectively, is respectively charged into the first sampling kettle 46 and second
In sampling kettle 47；
Step S26, starts blower fan 82, adjusts the air stream in air channel by controller of fan 96 and intelligent manual operator 97
Amount, it is close with the 16 required air mass flow of test air duct for calculating to make the instantaneous delivery shown on flow integrator 94；
Step S27, starts sampling pump 42, and is adjusted to required specific discharge, starts afterwards and sends out dirt device 30, by required
Dust quantity carries out sending out dirt；
Step S28, after sampling certain hour, first closes sampling pump 42, closes afterwards and send out dirt device 30 and blower fan 82；
Step S29, lightly takes out the first sampling film and the second sampling film, and weighs respectively, calculate tested mistake with this
The efficiency of dust filtration of filter 100.
After the wind speed of adjustable blower fan 82, above operation is repeated, the filter of tested filter 100 under different wind speed is calculated
Dirt efficiency.
Wherein, the first absolute filter 14 does not install the first filter bag additional, and the second absolute filter 18 installs the second filter bag additional, to subtract
The load of little blower fan.Need to check the sealing of whole ducting system after tested filter 100 is installed.
3rd, the efficiency of dust filtration of tested filter 100 is tested by weight calculation mode；
Step S31, as shown in Fig. 2 by the second absolute filter 18, testing air duct 16, the first absolute filter 14, first
Connecting cylinder 12 and stucco air duct 52 from left to right are tightly connected to form air channel successively, and tested filter 100 is arranged on the first company
Connect between cylinder 12 and stucco air duct 52, the first opening of tested filter 100 is connected with the outer end opening of the first connecting cylinder 12, the
The inner open communication of two openings and stucco air duct 52；
The delivery outlet of blower fan 82 is connected with the outer end opening of the second absolute filter 18；Dust tube 34 is removedly connected to
On stucco air duct 52；
Step S32, according to the incoming air area and the wind speed that need to be tested of tested filter 100, calculates in test air duct 16
Air mass flow；
Step S33, adjusts and sends out dirt device 30 in the case where wind speed is specified by a dirt speed of tested filter 100；If adopted
Buncher powder producer is used, the rotating speed of motor need to be regulated in advance；If adopting motor powder producer, SH- need to be used in advance
4ZZW controllers are programmed；
Step S34, the first filter bag being installed in the first absolute filter 14 is weighed, and writes down its weight；
Step S35, a certain amount of dust of weighing are poured into and are sent out in dirt device 30；
Step S36, starts blower fan 82, adjusts the air stream in air channel by controller of fan 96 and intelligent manual operator 97
Amount, it is close with the 16 required air mass flow of test air duct for calculating to make the instantaneous delivery shown on flow integrator 94；
Step S37, starts and sends out dirt device 30, all dissipates until pouring the dust for sending out dirt device 30 into；
Step S38, closes blower fan 82 and sends out dirt device 30, after blower fan 82 stops operating, unload the first absolute filter
The first filter bag in 14, and weigh, compare the weightening before test after calculating the test of the first filter bag；
Step S39, calculates tested filtration with the dust weight in a dirt device 30 is poured into according to the weightening of the first filter bag
The efficiency of dust filtration of device 10.
After the wind speed of adjustable blower fan 82, above operation is repeated, the filter of tested filter 100 under different wind speed is calculated
Dirt efficiency.
Wherein, the first absolute filter 14 installs the first filter bag additional, and the second absolute filter 18 does not install the second filter bag additional, to subtract
The load of little blower fan.Need to check the sealing of whole ducting system after tested filter 100 is installed.
4th, test the Drainage efficiency of tested filter 100；
Step S41, as shown in figure 3, by the second absolute filter 18, test air duct 16, the first absolute filter 14 and the
One connecting cylinder 12 from left to right is tightly connected to form air channel successively；The outer end of the delivery outlet of blower fan 82 and the second absolute filter 18
Open communication；
Step S42, according to the incoming air area and the wind speed that need to be tested of tested filter 100, calculates in test air duct 16
Air mass flow.
Step S43, is removedly connected to after absorbing membrane is weighed between tested filter 100 and the first connecting cylinder 12；
Step S44, calculates the injection flow rate of device 64 of drenching with rain according to the size of tested filter 100, installs suitable
The nozzle 646 of quantity and position, as shown in figure 3, device 64 of drenching with rain can movably be disposed on the outer of tested filter 100
Side, and regulate hydraulic pressure；
Step S45, starts blower fan 82 and the water pump 642 drenched with rain in device 64, makes to drench with rain device 64 towards the second opening water spray,
Tested；
Step S46, after test certain hour, switches off the pump 642, closes blower fan 82 afterwards；
Step S47, absorbing membrane is unloaded, and weighs and calculate the weightening of absorbing membrane, according to the weightening of absorbing membrane and from water
The single flow that effusion meter 74 reads, calculates the Drainage efficiency of tested filter 100.
After the wind speed of adjustable blower fan 82, above operation is repeated, the filter of tested filter 100 under different wind speed is calculated
Water efficiency.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
The detailed description of step, it will be appreciated that the foregoing is only specific embodiment of the utility model, is not used to limit this reality
With new protection domain.Particularly point out, to those skilled in the art, it is all it is of the present utility model spirit and principle it
Interior, any modification, equivalent substitution and improvements done etc. are should be included within protection domain of the present utility model.
Claims (10)
1. a kind of filter capability testing stand, it is characterised in that the filter capability testing stand includes：
Ducting system, including be tightly connected successively to form air channel the first connecting cylinder, the first absolute filter, test air duct and the
Two absolute filters；Extraneous tested filter connects with described first with the first opening and the second opening, first opening
Connect the outer end opening connection of cylinder；The ducting system also includes blower fan, the delivery outlet of the blower fan and second absolute filtration
The outer end opening connection of device；
Resistance measurement system, at least including the first static pressure rings being arranged on first connecting cylinder, first static pressure rings are used
In the resistance for testing the tested filter；
Efficiency test system, which is connected with the described second opening；
Measuring system, at least including orifice flowmeter, the orifice flowmeter is arranged in the test air duct, and can measure institute
State the air mass flow in test air duct.
2. filter capability testing stand according to claim 1, it is characterised in that the efficiency test system is filter dirt effect
Rate test system；
What the dust filtration efficiency test system included dissipating into the air channel dust sends out dirt device, sampling pump, the first sampling
Pipe, the first sampling kettle and the first sampling film that can be positioned in the first sampling kettle；
Described dirt device at least includes removedly being connected to the dust tube of second opening；The one of first sampling tube
The inner space of end opening and first connecting cylinder, another end opening of first sampling tube and the described first sampling kettle
One end open is connected, and another end opening of the first sampling kettle is connected with the sampling pump；
The measuring system also include balance, the balance to test before and after first sampling film weigh.
3. filter capability testing stand according to claim 1, it is characterised in that the efficiency test system is filter dirt effect
Rate test system；
The dust filtration efficiency test system includes that send out dirt device, stucco air duct and first that dust can be dissipated into the air channel are filtered
Bag；The stucco air duct is removedly connected to second opening, and described dirt device at least includes dust tube, described dirt
The inner space of the inner chamber of pipe and the stucco air duct；First filter bag is removedly connected to first absolute filter
It is interior；
The measuring system also include balance, the balance to test before and after first filter bag weigh.
4. filter capability testing stand according to claim 1, it is characterised in that the efficiency test system is drainage effect
Rate test system；
The Drainage efficiency test system includes absorbing membrane and device of drenching with rain；The absorbing membrane is removedly connected to described tested
Between filter and first connecting cylinder, the device of drenching with rain can movably be disposed on the outer of the tested filter
Side, and can be towards the described second opening water spray；
The measuring system also includes water ga(u)ge and balance, the water that the water ga(u)ge measurement device of drenching with rain sprays, institute
The absorbing membrane before and after balance is stated to test is weighed.
5. filter capability testing stand according to claim 2, it is characterised in that the ducting system also connects including second
Cylinder is connect, second connecting cylinder is removedly connected between second opening and the dust tube；
The dust filtration efficiency test system also includes the second sampling tube, the second sampling kettle and can be positioned in the second sampling kettle
The second sampling film；
The inner space of the one end open of second sampling tube and second connecting cylinder, the other end of second sampling tube
It is open, another end opening of the second sampling kettle is connected with the sampling pump
Connect；The balance to test before and after second sampling film weigh；
The resistance measurement mechanism also includes the second static pressure rings being arranged on second connecting cylinder, and second static pressure rings are used
In the resistance for testing the tested filter.
6. filter capability testing stand according to claim 2, it is characterised in that the dust filtration efficiency test system is also wrapped
Include the second filter bag being removedly connected in second absolute filter.
7. filter capability testing stand according to claim 5, it is characterised in that described dirt device also includes having
Hello the dirt device of dirt mouth, the one end open of the dust tube are connected with the dust mouth, and its other end is arranged on second connection
On the side wall of cylinder, the dust tube is located on second connecting cylinder away from described tested with the junction point of second connecting cylinder
One end of filter.
8. filter capability testing stand according to claim 3, it is characterised in that described dirt device also includes having
Hello the dirt device of dirt mouth, the one end open of the dust tube are connected with the dust mouth, and its other end is arranged on the stucco air duct
Side wall on, the junction point of the dust tube and the stucco air duct is located on the stucco air duct away from the tested filter
One end.
9. filter capability testing stand according to claim 1, it is characterised in that the ducting system also includes connecting successively
Being connected at the input port of the blower fan is used for corrugated tube, the deafener for vibration damping and the terminal mistake for Chalk-dust filtering of noise reduction
Filter.
10. filter capability testing stand according to claim 1, it is characterised in that the filter capability testing stand is also
Including control system；
The control system and the blower fan, the resistance measurement system, the efficiency test system and the measuring system point
Do not electrically connect, the control system controls the blower fan, the resistance measurement system, the start and stop of the efficiency test system, institute
State control system and receive the data signal that the measuring system is measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066246.XU CN206045652U (en) | 2016-09-20 | 2016-09-20 | A kind of filter capability testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066246.XU CN206045652U (en) | 2016-09-20 | 2016-09-20 | A kind of filter capability testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206045652U true CN206045652U (en) | 2017-03-29 |
Family
ID=58370621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621066246.XU Expired - Fee Related CN206045652U (en) | 2016-09-20 | 2016-09-20 | A kind of filter capability testing stand |
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| Country | Link |
|---|---|
| CN (1) | CN206045652U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553966A (en) * | 2019-07-10 | 2019-12-10 | 西安成立航空制造有限公司 | Tool and method for measuring certain type of oil filtering flow resistance |
| CN114324116A (en) * | 2022-01-06 | 2022-04-12 | 中车青岛四方车辆研究所有限公司 | Filter performance testing device and testing method |
| CN114354234A (en) * | 2022-01-06 | 2022-04-15 | 中车青岛四方车辆研究所有限公司 | Water-blocking filter performance testing device and testing method |
-
2016
- 2016-09-20 CN CN201621066246.XU patent/CN206045652U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553966A (en) * | 2019-07-10 | 2019-12-10 | 西安成立航空制造有限公司 | Tool and method for measuring certain type of oil filtering flow resistance |
| CN114324116A (en) * | 2022-01-06 | 2022-04-12 | 中车青岛四方车辆研究所有限公司 | Filter performance testing device and testing method |
| CN114354234A (en) * | 2022-01-06 | 2022-04-15 | 中车青岛四方车辆研究所有限公司 | Water-blocking filter performance testing device and testing method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170329 Termination date: 20180920 |