CN110514569A - The ducting assembly of strainability detection system of fume filtering element - Google Patents

The ducting assembly of strainability detection system of fume filtering element Download PDF

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Publication number
CN110514569A
CN110514569A CN201910609318.2A CN201910609318A CN110514569A CN 110514569 A CN110514569 A CN 110514569A CN 201910609318 A CN201910609318 A CN 201910609318A CN 110514569 A CN110514569 A CN 110514569A
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China
Prior art keywords
air duct
air
filtering element
detection system
oil smoke
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Granted
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CN201910609318.2A
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Chinese (zh)
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CN110514569B (en
Inventor
李娓郦
朱吉兴
李清恩
冯征祥
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Freudenberg Apollo Filtration Technologies Co Ltd
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Foshan Shunde Apollo Air Cleaner Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/0806—Details, e.g. sample holders, mounting samples for testing

Abstract

The invention discloses a kind of ducting assemblies of strainability detection system of fume filtering element, the ducting assembly of strainability detection system of fume filtering element includes: air duct, the air duct has air intake and outlet air end, and the air duct is equipped with sampled upstream mouth and sampled downstream mouth and the sample to be tested installation position between the sampled upstream mouth and the sampled downstream mouth；Current equalizer, the current equalizer are set in the air duct and between the air intake and the sampled upstream mouth, and the concentration that the current equalizer is configured to the oil smoke flowed through is uniformly distributed in the cross section in the air duct.The ducting assembly of strainability detection system of fume filtering element according to an embodiment of the present invention can be improved the distributing homogeneity of oil smoke concentration, have many advantages, such as the accurate high of testing result.

Description

The ducting assembly of strainability detection system of fume filtering element
Technical field
The present invention relates to fume filtering element detection technique fields, more particularly, to an a kind of strainability detection of fume filtering element The ducting assembly of system.
Background technique
China's dietetic variety is abundant, and cooking method is various, and relative to other forms such as western-style foods, the oil smoke that when culinary art generates is dense Spend higher, complicated component.China is directed to the detection method of cooking fume control equipment referring to " cooking fume cleaning equipment technology is wanted Ask and inspection specifications (tentative) " (HJ/T 62-2001) and " cooking fume discharge standard (tentative) " (GB 18483- 2001) it carries out.
Strainability detection technique of fume filtering element in the related technology carries out oil fume acquisition, oil using sample devices Cigarette is adsorbed in the filter core in acquisition rifle by acquisition, and the filter core for having collected oil smoke is placed in polytetrafluoroethylene sleeve with cover It is interior, it is cleaned by ultrasonic in use for laboratory carbon tetrachloride as solvent, moves into quartz colorimetric utensil constant volume with cover, use infrared spectroscopy Photometry measures the content of upstream and downstream oil smoke, and calculates the volume of dry flue gas under sampling process Plays state, by fortune Calculation obtains filtering oil smoke efficiency.
Since air duct front end has the factors such as 90 degree of bending section, the air of the oil smoke and side that are generated from oil smoke generator It is mixed into air duct, the distribution at random in the air duct of finite length of chaotic flue gas together, concentration is distributed on the cross section in air duct Uniformity is bad, influences the accuracy of testing result.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention It is to propose a kind of ducting assembly of strainability detection system of fume filtering element, strainability inspection of the fume filtering element The ducting assembly of examining system can be improved the distributing homogeneity of oil smoke concentration, have many advantages, such as the accurate high of testing result.
Embodiment according to the present invention proposes a kind of ducting assembly of strainability detection system of fume filtering element, described The ducting assembly of strainability detection system of fume filtering element includes: air duct, and the air duct has air intake and outlet air end, The air duct is equipped with sampled upstream mouth and sampled downstream mouth and between the sampled upstream mouth and the sampled downstream mouth Sample to be tested installation position；Current equalizer, the current equalizer be set to the air duct in and positioned at the air intake and it is described on It swims between thief hatch, the concentration that the current equalizer is configured to the oil smoke flowed through is uniform in the cross section in the air duct Distribution.
The ducting assembly of strainability detection system of fume filtering element according to an embodiment of the present invention can be improved oil smoke The distributing homogeneity of concentration has many advantages, such as the accurate high of testing result.
Some specific embodiments according to the present invention, the current equalizer include: at least one homogenizing plate, the homogenizing plate On be evenly distributed with multiple equal discharge orifices.
Further, the homogenizing plate is multiple and includes: the first homogenizing plate, is evenly distributed on first homogenizing plate Multiple first equal discharge orifices；Second homogenizing plate is evenly distributed with the multiple second equal discharge orifices on second homogenizing plate；Third flows Plate is evenly distributed with the equal discharge orifice of multiple thirds on the third homogenizing plate；Wherein, first homogenizing plate, described second are flowed Plate and the third homogenizing plate are along from the air intake to the direction of the sampled upstream mouth successively arranged for interval, and described first The cross-sectional area of equal discharge orifice, the second equal discharge orifice and the equal discharge orifice of the third is sequentially increased.
Further, the quantity of the described first equal discharge orifice, the quantity of the second equal discharge orifice and the equal discharge orifice of the third Quantity is successively reduced.
Further, the distance between first homogenizing plate and second homogenizing plate are 10cm-15cm；Described second The distance between homogenizing plate and the third homogenizing plate are 10cm-15cm.
Some specific examples according to the present invention, the ducting assembly of strainability detection system of fume filtering element is also It include: mixed flow fan, the mixed flow fan is set to the air intake in the air duct, and the mixed flow fan is configured to the oil The oil smoke that smoke chest generates mixes with the air around the air intake and imports the air duct.
Some specific examples according to the present invention, the ducting assembly of strainability detection system of fume filtering element is also It include: fairing, the air duct has bend loss, and the bend loss is between the air intake and the current equalizer And the air duct is changed into horizontal direction from vertical direction, the fairing is set in the bend loss, the rectification dress The air-flow for being configured to flow through is set along the flowing of the direction for the bending axis for being parallel to the bend loss.
Further, the fairing includes: rectification frame；Multiple cowling panels, each cowling panel edge are parallel to The direction of the bending axis of the bend loss extends camber, and multiple cowling panels are set to the rectification frame at equal intervals It is interior.
Some specific examples according to the present invention, the ducting assembly of strainability detection system of fume filtering element is also It include: flow mixing device, the flow mixing device is set in the air duct and between the air intake and the current equalizer, The flow mixing device is configured to the oil smoke and air flowed through mixing.
Further, the flow mixing device includes: several first bridge inserts, and it is logical that first bridge insert is equipped with multiple first It keeps out the wind region in wind region and multiple first；Several second bridge inserts, second bridge insert be equipped with multiple second aerated areas and Multiple second keep out the wind region；Wherein, in the axial direction in the air duct, first bridge insert and second bridge insert alternating Interval setting, multiple first aerated areas and multiple described second keep out the wind region position correspond, multiple described the One position for keeping out the wind region and multiple second aerated areas corresponds.
Further, first aerated area is equipped with spaced multiple first air grids, second ventilation Region is equipped with spaced multiple second air grids, and first air grid and second air grid are opposite In the axially inclined setting in the air duct and the inclined direction of the two it is opposite.
Further, the distance between adjacent first bridge insert and second bridge insert are 5cm-10cm.
Some specific embodiments according to the present invention, the ducting assembly of strainability detection system of fume filtering element Further include: constant-current stabilizer, the constant-current stabilizer be set in the air duct and positioned at the air intake and the sampled upstream mouth it Between, the constant-current stabilizer is configured to axial direction flowing of the air-flow flowed through along the air duct.
Further, the constant-current stabilizer includes: current stabilization frame；Multiple transverse direction grids, each lateral grid is along water Square to extension, multiple lateral grids along the vertical direction spaced set in the current stabilization frame；Multiple vertical lattice Grid, each vertical grid extend along the vertical direction and are connected respectively with multiple lateral grids, multiple vertical lattice Grid in the horizontal direction spaced set in the current stabilization frame；Wherein, multiple lateral grids and multiple vertical lattice Grid limit multiple current stabilization channels, and multiple current stabilization channels are uniformly distributed in the cross section in the air duct, each described steady Circulation road is axially extending along the air duct.
Some specific examples according to the present invention, the ducting assembly of strainability detection system of fume filtering element is also Include: light mixing device, the light mixing device be set in the air duct and positioned at the flow mixing device and the current equalizer it Between, the light mixing device is configured to the oil smoke flowed through and air mixing.
Further, the light mixing device includes: gently to mix frame；Multiple mixed flow inclined plates, each mixed flow inclined plate are opposite Axially inclined setting in the air duct, multiple mixed flow inclined plates are parallel and spaced set is in the gently mixed frame.
Further, the angle between the mixed flow inclined plate and the axial direction in the air duct is 45 °.
Some specific examples according to the present invention, the ducting assembly of strainability detection system of fume filtering element is also Include:
Detection block, the detection block are adapted to mount to the sample to be tested installation position, and the cross section of the detection block is divided equally It is test point at the center of each detection zone for multiple detection zones, multiple detection zones are arranged in multirow and more Column, the detection block are equipped with multiple acquisition holes, and multiple acquisition holes and multirow detection zone correspond.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of strainability detection system of fume filtering element according to an embodiment of the present invention.
Fig. 2 is the structure of the oil smoke generator of strainability detection system of fume filtering element according to an embodiment of the present invention Schematic diagram.
Fig. 3 is the part knot of the ducting assembly of strainability detection system of fume filtering element according to an embodiment of the present invention Structure schematic diagram.
Fig. 4 is that the structure of the fairing of strainability detection system of fume filtering element according to an embodiment of the present invention is shown It is intended to.
Fig. 5 is that the structure of the flow mixing device of strainability detection system of fume filtering element according to an embodiment of the present invention is shown It is intended to.
Fig. 6 is that the structure of the constant-current stabilizer of strainability detection system of fume filtering element according to an embodiment of the present invention is shown It is intended to.
Fig. 7 is that the structure of the light mixing device of strainability detection system of fume filtering element according to an embodiment of the present invention is shown It is intended to.
Fig. 8 is that the structure of the current equalizer of strainability detection system of fume filtering element according to an embodiment of the present invention is shown It is intended to.
Fig. 9 is the structural representation of the detection block of strainability detection system of fume filtering element according to an embodiment of the present invention Figure.
Figure 10 is that the principle of the detection block of strainability detection system of fume filtering element according to an embodiment of the present invention is shown It is intended to.
Figure 11 is the structural representation of the plug of strainability detection system of fume filtering element according to an embodiment of the present invention Figure.
Figure 12 is the knot of the oil smoke sampling head of strainability detection system of fume filtering element according to an embodiment of the present invention Structure schematic diagram.
Figure 13 is the gaseous pollutant sampling of strainability detection system of fume filtering element according to an embodiment of the present invention Head.
Figure 14 is the flow chart of strainability detection method of fume filtering element according to an embodiment of the present invention.
Appended drawing reference:
Strainability detection system 1 of fume filtering element,
Oil smoke generator 100, oil smoke generation cavity 110, outlet flue 111, air inlet hole 112, shell 113, door body 114, observation Window 115, heating kettle 120, warm table 130, grease pre-mixing apparatus 140, catheter 141, flexible tube segment 142, high temperature resistant rigid pipe Section 143, control pump 150, locomotive 160,
Air duct 200, air intake 201, outlet air end 202, sampled upstream mouth 203, sampled downstream mouth 204, sample to be tested installation Position 205, exhaust fume collecting hood 206, upstream air duct 210, sample upstream installation end 211, bend loss 212, mixed flow pipeline section 213, current stabilization pipeline section 214, equalizer flow tube section 215, upstream cleaning pipeline section 216, upstream cleaning window 217, sampled upstream pipeline section 218, upstream static pressure ring 219, Downstream air duct 220, sample downstream installation end 221, downstream cleaning pipeline section 222, downstream cleaning window 223, sampled downstream pipeline section 224, Filter pipeline section 225, downstream static pressure ring 226, mounting flange 230, clamping jaw 231, rail brackets 240,
Current equalizer 300, the first homogenizing plate 310, the first equal discharge orifice 311, the second homogenizing plate 320, the second equal discharge orifice 321, The equal discharge orifice 331 of third homogenizing plate 330, third,
Mixed flow fan 400,
Fairing 410, rectification frame 420, cowling panel 430,
Flow mixing device 500, the first bridge insert 510, the first aerated area 511, first are kept out the wind region 512, the first air grating Grid 513, the second bridge insert 520, the second aerated area 521, second keep out the wind region 522, the second air grid 523,
Constant-current stabilizer 600, current stabilization frame 610, lateral grid 620, vertical grid 630, current stabilization channel 640,
Light mixing device 700, gently mixed frame 710, mixed flow inclined plate 720,
Detection block 800, detection zone 810, test point 820, acquisition hole 830,
Nozzle box 900,
Filter device 1000, primary filter 1010, high efficiency particulate air filter 1020,
Accessory fan 1100,
Volume damper 1200,
Plug 1300, plugging cap 1310, the first sealing ring 1320,
Oil smoke sampling head 1400, sampling ring 1410, sampling gun insert port 1411, the second sealing ring 1420,
Gas pollutant sampling head 1500, sampling cap 1510, sampling pipe 1520, third sealing ring 1530.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to The embodiment of attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, " fisrt feature ", " second feature " may include one or more of the features. In the description of the present invention, the meaning of " plurality " is two or more, and " several " are meant that one or more.
Below with reference to the accompanying drawings strainability detection system 1 of fume filtering element according to an embodiment of the present invention is described.
As shown in Fig. 1-Figure 13, strainability detection system 1 of fume filtering element according to an embodiment of the present invention includes oil Smoke chest 100 and ducting assembly, the ducting assembly include air duct 200 and current equalizer 300.
Oil smoke generator 100 is for generating oil smoke.Air duct 200 has air intake 201 and outlet air end 202, air intake 201 Towards oil smoke generator 100, air duct 200 is equipped with sampled upstream mouth 203 and sampled downstream mouth 204 and is located at sampled upstream mouth Sample to be tested installation position 205 between 203 and sampled downstream mouth 204, sample to be tested installation position 205 is for installing sample to be tested. Current equalizer 300 is set in air duct 200 and between air intake 201 and sampled upstream mouth 203, and current equalizer 300 is constructed It is uniformly distributed in the cross section in air duct 200 at the concentration of the oil smoke flowed through.
The oil smoke that oil smoke generator 100 generates enters air duct 200 by air intake 201, after current equalizer 300, in wind It is uniformly distributed in the cross section in road 200, is sampled later by sampled upstream mouth 203, after sample to be tested filters, then by downstream Thief hatch 204 samples.
Strainability detection method of fume filtering element according to an embodiment of the present invention is described below with reference to Figure 14.
Strainability detection method of fume filtering element according to an embodiment of the present invention includes:
S100: oil smoke is generated；
S200: the oil smoke of generation is flowed, is uniformly distributed the concentration of oil smoke in the cross section in air duct；
S300: the oil smoke after flowing is conveyed to sample to be tested；
S400: oil smoke sampling is carried out in the upstream and downstream of sample to be tested respectively；
S500: analyzing the oil smoke of sampling, obtains strainability of oil smoke of the sample to be tested.
Strainability detection system 1 of fume filtering element and detection method according to an embodiment of the present invention, by air duct Current equalizer 300 is set in 200, current equalizer 300 is arranged between air intake 201 and sampled upstream mouth 203, Ke Yili Oil smoke concentration is uniformly distributed in the cross section in air duct 200 with current equalizer 300, improves the distributing homogeneity of oil smoke concentration, Oil smoke acquired in sampled upstream and sampled downstream in this way, can represent the oil smoke situation of corresponding position, to effectively improve detection As a result accuracy.
In some embodiments of the invention, as shown in Fig. 2, oil smoke generator 100 include oil smoke generation cavity 110, Heating kettle 120, warm table 130, grease pre-mixing apparatus 140 and control pump 150.
Heating kettle 120 is set in oil smoke generation cavity 110.Warm table 130 is set in oil smoke generation cavity 110 and for heating Heating kettle 120, for example, warm table 130 is set to the inner bottom surface of oil smoke generation cavity 110, heating kettle 120 is seated warm table 130 On.Grease pre-mixing apparatus 140 is set to outside oil smoke generation cavity 110 and is connected with catheter 141, and grease pre-mixing apparatus 140 is first oil It is pre-mixed with water, the oil water mixture in grease pre-mixing apparatus 140 is delivered to heating kettle 120 by catheter 141, is added Thermal station 130 is actuated for heating, and generates oil smoke.Control pump 150 is connected to catheter 141 and controls oil water mixture from drain Conveying speed of the pipe 141 to heating kettle 120.
In the detection method of the embodiment of the present invention, as shown in figure 14, the step S100 the following steps are included:
S101: oil and water are pre-blended into oil water mixture；
S102: the oil water mixture is added dropwise to heating kettle；
S103: it heats the oil water mixture in the heating kettle and generates oil smoke.
Oil and water are directly added by strainability detection system of fume filtering element in the related technology, oil smoke generator Into heating kettle (heating kettle has been heated at this time), grease is caused to splash, it is uneven not only to influence detection environment, oil mixing with water It is even, and splashing can also cause the ingredient of oil smoke to change, in addition, oil and water are separately added into heating kettle, the addition speed of the two It degree and is cooperateed with other parameters (such as temperature, air quantity), it is more difficult to control, problem above will affect the standard of testing result True property.
Oil smoke generator 100 and detection method according to an embodiment of the present invention, by the way that grease pre-mixing apparatus 140 is arranged, It can use grease pre-mixing apparatus 140 to carry out oil and water to be pre-mixed into oil water mixture, then conveyed by catheter 141 It is heated to heating kettle 120, i.e., first mixes and heat afterwards, in this way it is possible to prevente effectively from splashing, improve the cleaning of detection environment Property, it is uniformly mixed oil and water, the ingredient of oil smoke is avoided to change, also, further 150 control grease of setting control pump Mixture is conveyed from catheter 141 to the speed of heating kettle 120, it is possible thereby to convenient for the addition speed of control oil water mixture, And be conducive to cooperate with other parameters (such as temperature, air quantity), the oil smoke concentration in air duct 200 is controlled in OK range, And then promote the accuracy of testing result.
Therefore, oil smoke generator 100 and detection method according to an embodiment of the present invention can be avoided grease splashing, easily In controlling every test parameters and its collaboration, to improve the accuracy of testing result.
For example, the higher rapeseed oil of smoke rate can be selected as test oil, in the step S101, grease is mixed The mass ratio of conjunction is 3:1-5:1, preferably 4:1.
In the step S102, the addition speed of oil water mixture and temperature Collaborative Control is allowed to reach continuous steady to realize Determine smoke, the rate of addition V (g/min) of the oil water mixture and the air quantity Q (m in air duct 2003/ h) meet: V=Q/1000, For example, 500m3The addition speed of oil water mixture can be 0.5g/min, 1000m under/h air quantity3Oil water mixture under/h air quantity Addition speed can be 1g/min, 1500m3The addition speed of oil water mixture can be 1.5g/min under/h air quantity.
Wherein, concentration of the oil smoke in air duct 200 before by the sample to be tested is controlled in 8mg/m3-12mg/m3, Preferably 10mg/m3。
Further, in the step S103, the temperature of heating is 250 DEG C -270 DEG C.By different classes of vegetable oil The temperature verifying of smoke is heated, temperature is relatively low when 220 DEG C, and the oil droplet to drip is accumulated in heating kettle 120, can not be complete Volatilization, causes smoke concentration lower, is unable to reach 10mg/m3.When 250 DEG C and 300 DEG C heating, 250 DEG C and 300 DEG C can be full Sufficient 10mg/m3Smoke concentration, temperature is excessively high to cause grease to be carbonized Ignition Phenomena in order to avoid occurring, and temperature tried not Height, follow-up test temperature are maintained at as far as possible between 250~270 DEG C.
In some embodiments of the invention, as shown in Fig. 2, for the ease of oil smoke generator 100 movement, oil Smoke chest 100 further includes locomotive 160.
Oil smoke generation cavity 110, grease pre-mixing apparatus 140 and control pump 150 are set to locomotive 160, grease pre-mixing apparatus 140 and control pump 150 be located at oil smoke generation cavity 110 outside, to avoid generation oil smoke and high temperature to 140 He of grease pre-mixing apparatus Control pump 150 generates pollution and influences.
Optionally, grease pre-mixing apparatus 140 is magnetic stirring apparatus, and control pump 150 is peristaltic pump, passes through magnetic stirring apparatus High-speed stirred mixing is carried out to oil and water, water is scatter in the oil, the flow velocity of oil water mixture, benefit are adjusted according to test air quantity The oil water mixture mixed is transferred in heating kettle 120 with peristaltic pump, make in air duct 200 oil smoke concentration control 8~ 12mg/m3, continue to be slowly stirred oil water mixture with magnetic stirring apparatus while peristaltic pump is added dropwise, keep oil mixing with water state Uniformity.
In some specific examples of the invention, as shown in Fig. 2, the upper surface of oil smoke generation cavity 110 is opened wide to be formed out Mouth 111 enters air duct 200 convenient for the oil smoke of generation, and the side wall of oil smoke generation cavity 110 is equipped with air inlet hole 112, for example, air inlet Hole 112 is multiple, the circumferentially-spaced side wall that is arranged in oil smoke generation cavity 110 of multiple air inlet holes 112 along oil smoke generation cavity 110 Bottom, the air inlet hole 112 of such 110 surrounding of oil smoke generation cavity can introduce moving air by oil smoke band air inlet duct 200, from And the oil smoke generated is enable preferably to be mixed into air duct 200 with the air around oil smoke generator 100.
Wherein, oil smoke generation cavity 110 includes shell 113 and door body 114.
The side of shell 113 is opened wide, and door body 114 may be pivotally mounted to shell 113 to open and close shell 113 Open side, consequently facilitating picking and placing the operations such as heating kettle 120, wherein observation window 115 can be equipped in door body 114, so as to In observation smoke situation.
In some specific examples of the invention, as shown in Fig. 2, catheter 141 includes flexible tube segment 142 and high temperature resistant Rigid pipe section 143.
Flexible tube segment 142 is connected with grease pre-mixing apparatus 140 and control pump 150.High temperature resistant rigid pipe section 143 and flexibility Pipeline section 142 is connected, and high temperature resistant rigid pipe section 143 passes through oil smoke generation cavity 110 and is suspended in 120 top of heating kettle, for example, soft Property pipeline section 142 be silicone tube, high temperature resistant rigid pipe section 143 be copper pipe.The front half section of catheter 141 uses flexible tube segment as a result, 142, can be convenient for the conveying of oil water mixture and the control of control pump 150, and the second half section uses high temperature resistant rigid pipe section 143, on the one hand there is certain rigidity to be supported with passing through oil smoke generation cavity 110, guarantee the accuracy that position is added dropwise, separately On the one hand there is certain heat-resisting quantity, melt to avoid by high temperature sintering.
In some embodiments of the invention, strainability detection system 1 of fume filtering element includes oil smoke Device 100 and air duct 200.
Air duct 200 has air intake 201 and outlet air end 202, and air intake 201 is set towards oil smoke generator 100, air duct 200 There are sampled upstream mouth 203 and sampled downstream mouth 204 and to be measured between sampled upstream mouth 203 and sampled downstream mouth 204 Sample installation position 205.
Strainability detection system 1 of fume filtering element according to an embodiment of the present invention, by utilizing above-described embodiment Oil smoke generator 100 can be avoided grease splashing, easily controllable items test parameters and its collaboration, to improve detection knot The accuracy of fruit.
In some embodiments of the invention, as shown in Figure 2 and Figure 8, current equalizer 300 includes that at least one is equal Flowing plate is evenly distributed with multiple equal discharge orifices on the homogenizing plate.
For example, the homogenizing plate is multiple and flows including the first homogenizing plate 310, the second homogenizing plate 320 and third Plate 330.
The multiple first equal discharge orifices 311 are evenly distributed on first homogenizing plate 310.It is evenly distributed on second homogenizing plate 320 Multiple second equal discharge orifices 321.The equal discharge orifice 331 of multiple thirds is evenly distributed on third homogenizing plate 330.
Wherein, the first homogenizing plate 310, the second homogenizing plate 320 and third homogenizing plate 330 are adopted along from air intake 201 to upstream The direction of sample mouth 203 successively arranged for interval, the cross section of the first equal discharge orifice 311, the second equal discharge orifice 321 and the equal discharge orifice 331 of third Product is sequentially increased, and the quantity of the quantity of the first equal discharge orifice 311, the quantity of the second equal discharge orifice 321 and the equal discharge orifice 331 of third is successively It reduces.
For example, the first equal discharge orifice 311, the second equal discharge orifice 321 and the equal discharge orifice 331 of third are circular hole, the first equal discharge orifice 311 diameter is 9mm, quantity is 36*36, and the diameter of the second equal discharge orifice 321 is 12mm, quantity is 32*32, and third is equal The diameter of discharge orifice 331 is 15mm, quantity is 29*29.
Optionally, the distance between the first homogenizing plate 310 and the second homogenizing plate 320 are 10cm-15cm, the second equal discharge orifice The distance between 321 and third homogenizing plate 330 are 10cm-15cm.
Oil smoke in air duct 200, by least one homogenizing plate, on it under the guiding of equally distributed equal discharge orifice, In the even cross section for being distributed in air duct 200, to guarantee that oil smoke concentration is uniformly distributed in the cross section in air duct 200.
In some specific examples of the invention, as shown in figures 1 and 3, the ducting assembly further includes mixed flow fan 400, mixed flow fan 400 is set to the air intake 201 in air duct 200, and exhaust fume collecting hood 206 can be set in the air intake 201 in air duct 200, Mixed flow fan 400 be arranged in exhaust fume collecting hood 206, mixed flow fan 400 be configured to the oil smoke for generating oil smoke generator 100 with Air around air intake 201 mixes and imports air duct 200, thus mix oil smoke quickly with the air on side, mixed flow The revolving speed of fan 400 can be set to 100-400r/min.
In some specific examples of the invention, as shown in Figure 3 and Figure 4, the ducting assembly further includes fairing 410。
Air duct 200 has bend loss 212, and bend loss 212 is between air intake 201 and current equalizer 300 and by air duct 200 are changed into horizontal direction from vertical direction, i.e., downward, fairing 410 is set in bend loss 212 air intake 201, Fairing 410 is configured to the air-flow flowed through along the flowing of the direction for the bending axis for being parallel to bend loss 212, thus right The air-flow that bend loss 212 goes out disorder is rectified.
Specifically, fairing 410 includes rectification frame 420 and multiple cowling panels 430.
Each cowling panel 430 extends camber, multiple cowling panels along the direction for the bending axis for being parallel to bend loss 212 430 are set at equal intervals in rectification frame 420, and rectification frame 420 is capable of fixing the relative position of multiple cowling panels 430, and Fairing 410 can be dismounted on air duct 200 as a whole.
In this some specific example of the invention, as shown in Figure 3 and Figure 5, the ducting assembly further includes flow mixing device 500。
Flow mixing device 500 is set in air duct 200 and between air intake 201 and current equalizer 300, such as positioned at whole It flows between device 400 and current equalizer 300, flow mixing device 500 is configured to the oil smoke and air flowed through mixing.
Specifically, flow mixing device 500 includes several first bridge inserts 510 and several second bridge inserts 520.
First bridge insert 510 is equipped with multiple first aerated areas 511 and multiple first and keeps out the wind region 512.Second bridge insert 520, which are equipped with multiple second aerated areas 521 and multiple second, keeps out the wind region 522.
Wherein, in the axial direction in air duct 200, the first bridge insert 510 and the setting of 520 alternate intervals of the second bridge insert are multiple First aerated area 511 and multiple second keep out the wind region 522 position correspond, multiple first keep out the wind region 512 and multiple The position of second aerated area 521 corresponds, and the vent position of the first bridge insert 510 and the second bridge insert 520 is being just as a result, It is good on the contrary, i.e. oil smoke the first aerated area 511 for passing through the first bridge insert 510, by the second gear of the second bridge insert of face 520 Wind region 522 and cannot pass through, need to pass through around second aerated area 521 on side, achieve the effect that abundant mixed flow in this way, To in mixed gas oil smoke and air secondary be sufficiently mixed.
It will be appreciated by those skilled in the art that ground is, the quantity and friendship of the first bridge insert 510 and the second bridge insert 520 The sequence replaced can be arranged according to actual needs, and the present invention is not specifically limited in this embodiment, and the two is arranged alternately.
Optionally, the first aerated area 511 is equipped with spaced multiple first air grids 513, the second aerated area 521 are equipped with spaced multiple second air grids 521, and the first air grid 513 and the second air grid 523 are opposite The inclined direction of axially inclined setting in air duct 200, the first air grid 513 and the second air grid 523 on the contrary, for example, First air grid 513 tilts gradually downward from upstream to downstream, and the second air grid 523 is gradually upward from upstream to downstream Inclination, it is possible thereby to further increase the mixability of oil smoke and air.
Further, the distance between adjacent first bridge insert 510 and the second bridge insert 520 are 5cm-10cm, with into one Step improves mixed flow effect, and guarantees windage in the appropriate range, to be conducive to keep air quantity.
In some specific examples of the invention, as shown in Figure 3 and Figure 6, the ducting assembly further includes constant-current stabilizer 600。
Constant-current stabilizer 600 is set in air duct 200 and between air intake 201 and sampled upstream mouth 203, such as positioned at Between flow mixing device 500 and current equalizer 300, constant-current stabilizer 600 is configured to the air-flow flowed through along the axial direction in air duct 200 Flowing, so that chaotic flue gas be made to gradually become tranquil.
Specifically, constant-current stabilizer 600 includes current stabilization frame 610, multiple lateral grids 620 and multiple vertical grids 630.
It is each transverse direction grid 620 it is horizontally extending, it is multiple transverse direction grids 620 along the vertical direction spaced set in steady It flows in frame 610.Each vertical grid 630 extends along the vertical direction and is connected respectively with multiple lateral grids 620, multiple perpendicular To grid 630, for spaced set in current stabilization frame 610, current stabilization frame 610 is capable of fixing multiple lateral grids in the horizontal direction 620 and multiple vertical grids 630 relative position, and constant-current stabilizer 600 is torn open on air duct 200 as a whole Dress.
Wherein, multiple lateral grids 620 and multiple vertical grids 630 limit multiple current stabilization channels 640, multiple current stabilizations Channel 640 is uniformly distributed in the cross section in air duct 200, such as the cross section in air duct 200 is distributed in a manner of 10*10, often A current stabilization channel 640 is along the axially extending of air duct 200.
In some specific examples of the invention, as shown in Figure 3 and Figure 7, the ducting assembly further includes light mixing device 700.
Light mixing device 700 is set in air duct 200 and between flow mixing device 500 and current equalizer 300, such as positioned at Between constant-current stabilizer 600 and current equalizer 300, light mixing device 700 be configured to the oil smoke flowed through in a manner of relatively mild and Air mixes again.
Specifically, light mixing device 700 includes gently mixing frame 710 and multiple mixed flow inclined plates 720.
Axially inclined setting of each mixed flow inclined plate 720 relative to air duct 200, for example, mixed flow inclined plate 720 and air duct 200 Axial direction between angle be 45 °, multiple mixed flow inclined plates 720 are parallel and spaced set is in light mixed frame 710, gently mixed frame The relative position of the fixed multiple mixed flow inclined plates 720 of frame 710, and can be by light mixing device 700 as a whole in air duct 200 On dismounted, mixed flow inclined plate 720 can be three, each mixed flow inclined plate 720 be 500*230*1mm plate, adjacent mixed flow The spacing of inclined plate 720 is 10cm.
In strainability detection method of fume filtering element of the embodiment of the present invention, as shown in figure 14, in the step Between S100 and step S200, further includes:
S110: the oil smoke of generation is mixed with the air of surrounding and imports the air duct.
S120: rectifying the air-flow for the bending part for flowing through the air duct, and air-flow edge is made to be parallel to the bending part It flows in the direction of bending axis.
S130: carrying out mixed flow to the air-flow after rectification, mixes oil smoke and air.
S140: carrying out current stabilization to the air-flow after mixed flow, makes axial direction flowing of the air-flow along the air duct.
S150: gently mixing the air-flow after current stabilization, mixes oil smoke and air.
Strainability detection system 1 of fume filtering element and detection method according to an embodiment of the present invention, it is mixed by being arranged Flow fan 400, fairing 410, flow mixing device 500, constant-current stabilizer 600, light mixing device 700 and current equalizer 300, thus The oil smoke and air for entering air duct 200 can be mixed, rectified, mixed flow, current stabilization, secondary mixed flow and the processing flowed, be protected The stability and uniformity of air quantity, oil smoke, gaseous pollutant in card air duct 200, to further increase the standard of testing result True property.
In some embodiments of the invention, as shown in figure 14, in strainability detection of the fume filtering element In method, before the step S100 further include:
S001: dirty to air quantity stability, resistance stability, wind speed uniformity, oil smoke uniformity, oil smoke stability, gaseous state At least one in dye object uniformity, gaseous pollutant stability is tested.
Specifically, in the step S001, the wind speed uniformity, the oil smoke uniformity, the gaseous state are being tested When pollutant uniformity, the cross-sectional uniformity in the air duct is divided into multiple detection zones；
In the central data relevant parameter of each detection zone；
Calculate the deviation of the relevant parameter of the central data of each detection zone and the average value of relevant parameter:
The test passes if deviation is no more than predetermined value, the test failure if deviation is more than predetermined value.
Correspondingly, as shown in Figure 9 and Figure 10, strainability detection system 1 of fume filtering element further includes detection block 800.
Detection block 800 is adapted to mount to sample to be tested installation position 205, and the cross section of detection block 800 is divided into multiple detections Region 810, the cross section of detection block 800 refers to the cross section in the channel that detection block 800 surrounds, each detection zone 810 here Center at be test point 820, multiple detection zones 810 are arranged in rows and columns, and detection block 800 is equipped with multiple acquisitions Hole 830, multiple acquisition holes 830 are corresponded with multirow detection zone 810.Such as it is divided into nine detection zones in the form of nine grids Domain 810, the side wall of detection block 800 are set there are three hole 830 is acquired, and respectively correspond three row detection zones 810.
When testing, it will test frame 800 and be assemblied in sample to be tested installation position 205, after the completion of to be tested, under disassembly Detection block 800 can be restored normally to detect, simple to operate, and avoid and additionally open up acquisition hole on air duct 200, from And reduce the possibility of air-tightness problem generation.
Citing below describes strainability detection system 1 of fume filtering element and detection method according to an embodiment of the present invention Test for parameters.
1) air quantity stability test
Air quantity is adjusted, in full scale 2000m3Under the air quantity of/h, every 1min tests 2000m3Actual air volume under/h air quantity, Follow-on test 10min, as a result as follows:
2) resistance stability test
3) wind speed uniformity test
It is 500* that the detection block 800 that wind speed uniformity test and oil smoke uniformity test use, which is one section of cross section, 500mm, the stainless steel pipe that length is 200mm.Three acquisition holes 830 are equidistantly opened in 800 side of detection block, and aperture 60mm makes Test point 820 with airspeedometer or oil smoke sampler by three acquisition corresponding three rows detection zones 810 in hole 830 carries out wind The acquisition of speed, oil smoke or gaseous pollutant, after remove detection block 800 and restore proper testing.
For example, the cross section of detection block 800 is divided into nine detection zones 810, each detection zone 810 is being chosen just The point in center is as test point 820.
The wind speed that each test point 820 is tested using anemobiagraph obtains nine air speed values, then calculation of wind speed value and average wind The deviation factor of speed, the numerical value are not to be exceeded ± 10%, adjust air quantity in 500m3/h、1000m3/h、2000m3Under the air quantity of/h The wind speed of the test point 820 of each detection zone 810 is measured by anemobiagraph, is measured 10 times, 10 test results of calculation of wind speed Relative deviation and nine test points 820 test result relative standard deviation.
The mean wind speed of detection block 800 is 0.58m/s, the average air quantity 522m3/h of detection block 800, nine tested every time The measuring wind speed result relative standard deviation of a test point 820 is within 10%.10 wind speed of each test point 820 are surveyed Result relative standard deviation is measured within 10%.
The mean wind speed 1.11m/s of detection block 800 is the average air quantity 999m3/h of detection block 800, nine tested every time The measuring wind speed result relative standard deviation of a test point 820 is within 10%.10 wind speed of each test point 820 are surveyed Result relative standard deviation is measured within 10%.
The mean wind speed 2.23m/s of detection block 800 is the average air quantity 2008m3/h of detection block 800, nine tested every time The measuring wind speed result relative standard deviation of a test point 820 is within 10%.10 wind speed of each test point 820 are surveyed Result relative standard deviation is measured within 10%.
4) oil smoke uniformity test
The oil smoke that a certain amount of (>=0.5 μm) concentration occurs acquires oil smoke in nine test points 820 using oil smoke sampler, The oil smoke concentration value of nine test points 820 is obtained, then the deviation factor of oil smoke concentration and mean concentration is calculated, the numerical value It is not to be exceeded ± 15%, in 1000m3The test point 820 of each detection zone 810 is measured under the air quantity of/h using Infrared Oil Determination Instrument Oil smoke concentration, calculate the relative standard deviation of the oil smoke concentration test result of nine test points 820.Data are as follows:
5) oil smoke stability test
In 1000m3Under the air quantity of/h, 10 sample test oil smoke concentrations of 800 central point of continuous acquisition detection block are calculated The relative standard deviation of all samples oil smoke concentration.
6) gaseous pollutant (such as non-methane total hydrocarbons) uniformity test
In 1000m3The non-methane of the test point 820 of each detection zone 810 is measured under/h air quantity using gas chromatograph Total hydrocarbon concentration, calculates the relative standard deviation of the non-methane total hydrocarbons concentration test result of nine test points 820, which does not answer More than ± 15%, data are as follows:
7) gaseous pollutant (such as non-methane total hydrocarbons) stability test is tested
In 1000m3Under the air quantity of/h, the oil smoke at 800 center of continuous acquisition detection block acquires 10 samples, calculates all The relative standard deviation of sample oil smoke concentration, the numerical value are not to be exceeded ± 10%.
Data are shown, by increasing front end fairing 410, flow mixing device 500, constant-current stabilizer 600, light mixing device 700 With army road device 300, the stability and uniformity test result of air quantity, oil smoke and gaseous pollutant in air duct 200 can reach To good control.
In some embodiments of the invention, as shown in Figure 1, air duct 200 includes upstream air duct 210 and lower urticaria Road 220.
The one end in upstream air duct 210 has bend loss 212 and the other end forms sample upstream installation end 211, air intake 201 It is formed in bend loss 212, and air duct 200 is changed into horizontal direction by bend loss 212 from vertical direction, i.e., air duct 200 is in bend pipe Section 212 carries out bending, and sampled upstream mouth 203 is set to upstream air duct 210.
The one end in downstream air duct 220 forms outlet air end 202 and the other end forms sample downstream installation end 221, sampled downstream Mouth 204 is set to downstream air duct 220, and sample to be tested peace is formed between sample upstream installation end 211 and sample downstream installation end 221 Fill position 205.
Wherein, the equivalent diameter in air duct 200 is D, sampled upstream mouth 203 and (the i.e. bending in air duct 200 of bend loss 212 Place) distance in the axial direction in air duct 200 is 5D-7D, preferably 6D；Sampled downstream mouth 204 and sample downstream installation end 221 Distance in the axial direction in air duct 200 is 3D-4D, preferably 4D.
Strainability detection system of fume filtering element in the related technology, the air inlet/outlet connecting pipe in air duct respectively have one The straight pipe of 4.5 times of equivalent diameters of section.Thief hatch is set respectively at away from elbow, 3 times of sample to be tested downstream equivalent diameter, due to The real-time synchronization effect of sample devices isokinetic sampling is poor, and needing oil smoke air-flow in air duct is laminar condition.But under operating condition, Air-flow length is extremely difficult to laminar condition in the air duct of 3 times of equivalent diameters, especially in the air duct of air intake, because preceding The difference for holding wind-collecting cover effect, easily forms the turbulent flow of rotation, to influence the constant speed acquisition of sample devices, and then influences inspection Survey the accuracy of result.
Air duct 200 according to an embodiment of the present invention and detection method pass through setting sampled upstream mouth 203 and bend loss 212 Distance be 5D-7D, and sampled downstream mouth 204 is 3D-4D with sample downstream installation end 221 at a distance from, and such oil smoke can be It is uniformly mixed on long path with air realization as far as possible, reduces air-flow and change bring adverse effect, make oil smoke air-flow more Close to laminar condition, so that being conducive to sample devices realizes higher constant speed reproduced in synchronization rate, and then testing result is effectively improved Accuracy.
Therefore, air duct 200 according to an embodiment of the present invention and detection method can be realized higher etc. conducive to sample devices Fast reproduced in synchronization rate, to improve the accuracy of testing result.
Further, as shown in Figure 1, upstream air duct 210, which is equipped with upstream, cleans window 217, downstream air duct 220 is equipped with downstream Window 223 is cleaned, it can be respectively 350*350mm that window 217 and the size of downstream cleaning window 223 are cleaned in upstream.
Since air duct 200 is up to more than 10 rice, under high concentration oil smoke experimental condition, tube wall needs periodically cleaning, but air duct 200 dismounting trouble, and assemble and disassemble refitting and need to collimate, window 217 and downstream cleaning window 223 are cleaned in horizontal professional operation, upstream Setting, can be convenient and periodically air duct 200 is cleaned, and leakproofness is met the requirements.
In some specific examples of the invention, as shown in Figure 1, upstream air duct 210 includes bend loss 212, mixed flow pipeline section 213, current stabilization pipeline section 214, equalizer flow tube section 215, upstream cleaning pipeline section 216 and sampled upstream pipeline section 218.
Bend loss 212, mixed flow pipeline section 213, current stabilization pipeline section 214, equalizer flow tube section 215, upstream cleaning pipeline section 216 and upstream Sampling pipeline section 218 is sequentially connected.
Wherein, installation fairing 410 is suitable in bend loss 212, installation flow mixing device 500 is suitable in mixed flow pipeline section 213, It is suitable for installation constant-current stabilizer 600 in current stabilization pipeline section 214, installation current equalizer 300 is suitable in equalizer flow tube section 215, window is cleaned in upstream 217 settings clean pipeline section 216 in upstream, and sampled upstream mouth 203 and sample upstream installation end 211 are set to sampled upstream pipeline section 218。
In some specific examples of the invention, as shown in Figure 1, downstream air duct 220 include downstream cleaning pipeline section 222, under Trip sampling pipeline section 224 and filtering pipeline section 225.
Downstream cleaning pipeline section 222, sampled downstream pipeline section 224 and filtering pipeline section 225 are sequentially connected.
Wherein, downstream cleaning window 223 is set to downstream cleaning pipeline section 222, and sample downstream installation end 221 is set to downstream cleaning Pipeline section 222, sampled downstream mouth 204 are set to sampled downstream pipeline section 224, installation filter device 1000 are suitable in filtering pipeline section 225, 1000 following Example of filter device will be discussed in detail.
Air duct 200 according to an embodiment of the present invention, it is more by splitting into upstream air duct 210 and downstream air duct 220 respectively A pipeline section, on the one hand can be in favor of the dismounting of 200 interior arrangement of air duct and the setting of each structure, on the other hand due to single The length of pipeline section is reduced, for example, the length of any pipeline section is not more than 1.5m, so as to be convenient for dividing air duct 200 Duan Qingjie.
Further, sampled upstream pipeline section 218 is arranged with upstream static pressure ring 219, and upstream static pressure ring 219 is adopted positioned at upstream Between sample mouth 203 and sample upstream installation end 211.Downstream cleaning pipeline section 222 is arranged with downstream static pressure ring 226, downstream static pressure ring 226 between sample downstream installation end 221 and downstream cleaning window 223.
In some specific examples of the invention, the opposite end of adjacent tubular segments is respectively equipped with connecting flange and (does not show in figure Out), the connecting flange of the opposite end of adjacent tubular segments is detachably connected, such as is connected by screw to, in order to guarantee air duct 200 Overall tightness, sealing element is equipped between the connecting flange of the opposite end of adjacent tubular segments, the sealing element can be foam list Face adhesive tape, bubble face one-faced tapes with a thickness of 4mm-6mm, intensity 130NN/mm-170NN/mm.
In some specific examples of the invention, the sample upstream installation end 211 in upstream air duct 210 and downstream air duct 220 Sample downstream installation end 221 be respectively arranged on mounting flange 230, each mounting flange 230 is equipped with for clamping sample tooling The clamping jaw 231 of (not shown), the sample tooling is interior to be suitable for accommodating sample to be tested.
For example, mounting flange 230 is made of 304 stainless steel plates of thickness 5mm, each band three in every side of mounting flange 230 A clamping jaw 231, sample tooling are made of 304 stainless steels of thickness 10mm, and inside casing size is mutually all with 200 internal diameter of air duct 500*500mm, respectively there are three folder positions for cooperating clamping jaw 231 on every side.
In some specific examples of the invention, as shown in Figure 1, in upstream air duct 210 and downstream air duct 220 at least One is connected with rail brackets 240, for example, upstream air duct 210 and downstream air duct 220 are respectively connected with rail brackets 240, upstream Air duct 210 and downstream air duct 220 are punished open and close in sample to be tested installation position 205 by rail brackets 240 and are closed, consequently facilitating Sample to be tested and detection block 800 are assembled, the track stroke of advancing of rail brackets 240 can be 800mm.
In some embodiments of the invention, as shown in Figure 1, the primary mistake of fume filtering element according to an embodiment of the present invention Filtering performance detecting system 1 includes oil smoke generator 100 and air duct 200, and the air intake 201 in air duct 200 is towards oil smoke generator 100。
Strainability detection system 1 of fume filtering element according to an embodiment of the present invention, by utilizing on according to the present invention The air duct 200 of embodiment is stated, sample devices can be conducive to and realize higher constant speed reproduced in synchronization rate, to improve testing result Accuracy.
In some embodiments of the invention, strainability detection system 1 of fume filtering element includes oil smoke Device 100, air duct 200, nozzle box 900 and filter device 1000.
Air duct 200 has air intake 201 and outlet air end 202, and air intake 201 is set towards oil smoke generator 100, air duct 200 There are sampled upstream mouth 203 and sampled downstream mouth 204 and to be measured between sampled upstream mouth 203 and sampled downstream mouth 204 Sample installation position 205.Nozzle box 900 is connected with the outlet air end 202 in air duct 200.Filter device 1000 be set to air duct 200 in and Between sampled downstream mouth 204 and nozzle box 900.
In some specific examples of the invention, as shown in figure 14, after the step S400 further include:
S410: nozzle box is re-directed after being filtered to the oil smoke after the sampling in the sample to be tested downstream；
S420: the oil smoke of the nozzle box is passed through in discharge.
Specifically, strainability detection system 1 of fume filtering element further includes accessory fan 1100 and volume damper 1200.Accessory fan 1100 is connected with nozzle box 900, and volume damper 1200 is connected with accessory fan 1100, finally to oil smoke It is discharged.
Strainability detection system of fume filtering element in the related technology, the clean-up effect such as sample is not up to standard, Then filtered flue gas can not only pollute the flow nozzle in nozzle box, influence the accuracy of testing result, and oil It pollutes the environment after cigarette discharge, the health and safety of hazard detection personnel.
Filter device is arranged in air duct 200 in strainability detection system 1 of fume filtering element according to an embodiment of the present invention 1000, and filter device 1000 is between sampled downstream mouth 204 and nozzle box 900, it can be ensured that after oil smoke is fully cleaned up It using flow nozzle and is discharged, it is possible thereby to avoid flow nozzle and laboratory or external environment contaminated, is guaranteed The accuracy of testing result and the health and safety of testing staff.
Therefore, strainability detection system 1 of fume filtering element according to an embodiment of the present invention, can be improved testing result Accuracy, reduce to detection environment and external environment pollution, guarantee the health and safety of testing staff.
Specifically, filter device 1000 includes primary filter 1010 and high efficiency particulate air filter 1020, primary filter 1010 With high efficiency particulate air filter 1020 along from sampled downstream mouth 204 to the direction of nozzle box 900 successively arranged for interval.
In some specific examples of the invention, air duct 200 is made of 304 stainless steel plates of thickness 2mm, and the material is just In cleaning.
It in some embodiments of the invention, as shown in figure 14, further include existing respectively in the step S400 The upstream and downstream of the sample to be tested carries out gaseous pollutant sampling；
In the step S500, further includes analyzing the gaseous pollutant of sampling, obtain the sample to be tested Strainability of gaseous pollutant.
Specifically, carrying out the sampling of oil smoke after oil smoke is stablized in the step S400, being sampled using oil smoke Device carries out repeatedly (such as three times) oil smoke sampling in the upstream and downstream of the sample to be tested respectively, each oil smoke sampling when Between be 8min-12min, acquisition speed is 8L/min-12L/min, it is preferable that the time of each oil smoke sampling is 10min, adopts Integrate speed as 10L/min.
Meanwhile in the step S400, multiple gaseous contamination is carried out respectively in the upstream and downstream of the sample to be tested Object sampling, the mode of acquisition can be gas sampler connection miniature peristaltic pump, and the time of each gaseous pollutant sampling is 3min-7min, acquisition speed are 0.2L/min-0.3L/min, it is preferable that the time of each gaseous pollutant sampling is 5min.
Due in kitchen fume Volatile Organic Components and peculiar smell be also human health is caused high risks because The effect of element, fume filtering element, is not only to be removed oil, and gaseous pollutant (such as non-methane total hydrocarbons) is also gone It removes.The relevant technologies account for not to this, strainability detection system 1 of fume filtering element according to an embodiment of the present invention and Detection method increases the removal energy for gaseous pollutant on the basis of removing oil particulates object capability evaluation to filter core The assessment of power establishes compound detection assessment technology.
In some specific examples of the invention, as shown in figures 11-13, strainability detection system of fume filtering element 1 further includes plug 1300, oil smoke sampling head 1400 and gas pollutant sampling head 1500.
Each of sampled upstream mouth 203 and sampled downstream mouth 204, selectively installed plug 1300, oil smoke sample One of first 1400 and gas pollutant sampling head 1500.
Specifically, as shown in figure 11, plug 1300 includes plugging cap 1310 and the first sealing ring 1320, plugging cap 1310 outer peripheral surface is equipped with the first seal groove along its circumferentially extending, and the first sealing ring 1320 is sheathed on the outer of plugging cap 1310 Circumferential surface and be located at it is described first block slot in.
As shown in figure 12, oil smoke sampling head 1400 includes sampling ring 1410 and the second sealing ring 1420, and sampling ring 1410 has There is sampling gun insert port 1411, the outer peripheral surface of sampling ring 1410 is equipped with the second seal groove along its circumferentially extending, the second sealing ring 1420 are sheathed on the outer peripheral surface of sampling ring 1410 and are located in second seal groove.
As shown in figure 13, gas pollutant sampling head 1500 includes sampling cap 1510, sampling pipe 1520 and third sealing ring 1530, sampling cap 1510 is equipped with self-sealing thieff hatch, and the outer peripheral surface of sampling cap 1510 is equipped with the third sealing along its circumferentially extending Slot, sampling pipe 1520 pass through the self-sealing thieff hatch, and third sealing ring 1530 is sheathed on the outer peripheral surface of sampling cap 1510 and position In in the third seal groove.
Comprehensive consideration is carried out to the ingredient in flue gas, is not only to be removed oil smoke, for gaseous pollutant with non-first Alkane total hydrocarbon is also removed Performance Evaluation as object.For not sampling on sampling mouth structure, oil recovery cigarette and gaseous contamination is adopted Object Three models are designed, and plug 1300, oil smoke sampling head 1400,1,500 3 kinds of portions of gas pollutant sampling head are equipped with Part is combined according to different use patterns.
For example, when not sampling, installed plug 1300 is distinguished in sampled upstream mouth 203 and sampled downstream mouth 204, it is real The sealing of existing sampled upstream mouth 203 and sampled downstream mouth 204；
When carrying out oil smoke sampling, sampled upstream mouth 203 and sampled downstream mouth 204 install oil smoke sampling head 1400 respectively, Oil smoke sampling gun is protruded into sampling gun insert port 1411, the length that control sampling gun protrudes into makes pipette tips be located at air duct 200 The center position of cross section is acquired the oil smoke in air duct 200；
When carrying out gaseous pollutant sampling, sampled upstream mouth 203 and sampled downstream mouth 204 install gas pollutant respectively Sampling head 1500, adjust sampling pipe 1520 and at the center of the cross section that makes inner end be located at air duct 200, connection miniature peristaltic pump Upstream and downstream gaseous pollutant is acquired.
In some embodiments of the invention, as shown in figure 14, in step S500, include oil smoke analysis and gaseous state Pollutant analysis, specific as follows:
1) oil smoke is analyzed
The carbon tetrachloride solvent of the sampling gun filter cylinder environment-friendly type after sampling, it is immersed in polytetrafluoroethylene (PTFE) sampling cylinder, It tightens lid and is lived top enfeoffment with sealed membrane, sampling cylinder is placed in ultrasonic cleaner, be cleaned by ultrasonic 10min, clear Washing lotion is transferred in 25mL volumetric flask, then the carbon tetrachloride solvent for adding people above-mentioned in Washing cup, is cleaned by ultrasonic 5min, clear Washing lotion is equally transferred in above-mentioned 25mL volumetric flask.Filter cylinder is cleaned with a little carbon tetrachloride again and polytetrafluoroethylene (PTFE) cup is secondary, one And be transferred in above-mentioned 25mL volumetric flask, carbon tetrachloride is added and is diluted to dial markings.Preheating infrared be divided oil content analyzer 1h with On, upstream sample high standard curve determination, the standard curve determination of downstream sample low concentration, switching standards curve Filter cylinder carbon tetrachloride after experiment, is submerged ultrasound 10min, cleaning solution moves into waste liquid, gold by necessary blank zeroing afterwards Belong to filter cylinder from sampling cylinder take out, the two be placed in draught cupboard dry up it is spare.
2) non-methane total hydrocarbons is analyzed
Open gas chromatograph, upload the analysis method of non-methane total hydrocarbons, to instrument it is ready after, directly by airbag Gas by gas sampling valve injection, analysis upstream and downstream gas respectively twice, shut down after analysis by gas-chromatography.
Wherein, oil smoke and removal rate calculation method of non-methane total hydrocarbons are as follows:
A) oil smoke concentration in air duct:
C pipeline --- the concentration of oil smoke, mg/m in pipeline3；
C oil --- the concentration of carbon tetrachloride solution oil, mg/m3；
V --- liquor capacity, mL；
V0 --- oil smoke sampling volume, L；
B) oil smoke/non-methane total hydrocarbons removal efficiency；
P --- oil smoke/non-methane total hydrocarbons removal efficiency, %；
C is upper --- oil smoke/non-methane total hydrocarbons concentration, mg/m in upstream line3；
Q is upper --- the air quantity in upstream line, m3/h；
Under Q --- oil smoke/non-methane total hydrocarbons concentration, mg/m in downstream line3；
Under Q --- the air quantity in downstream line, m3/h。
Other compositions of strainability detection system 1 of fume filtering element and detection method according to an embodiment of the present invention with And operation be all for those of ordinary skills it is known, be not detailed herein.
In the description of this specification, the description of reference term " specific embodiment ", " specific example " etc. means to combine and be somebody's turn to do Embodiment or example particular features, structures, materials, or characteristics described are contained at least one embodiment of the present invention or show In example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, The scope of the present invention is defined by the claims and their equivalents.

Claims (18)

1. a kind of ducting assembly of strainability detection system of fume filtering element characterized by comprising
Air duct, the air duct have air intake and outlet air end, and the air duct is equipped with sampled upstream mouth and sampled downstream mouth and position Sample to be tested installation position between the sampled upstream mouth and the sampled downstream mouth；
Current equalizer, the current equalizer are set in the air duct and between the air intake and the sampled upstream mouth, The concentration that the current equalizer is configured to the oil smoke flowed through is uniformly distributed in the cross section in the air duct.
2. the ducting assembly of strainability detection system of fume filtering element according to claim 1, which is characterized in that institute Stating current equalizer includes: at least one homogenizing plate, and multiple equal discharge orifices are evenly distributed on the homogenizing plate.
3. the ducting assembly of strainability detection system of fume filtering element according to claim 2, which is characterized in that institute Homogenizing plate is stated to be multiple and include:
First homogenizing plate is evenly distributed with the multiple first equal discharge orifices on first homogenizing plate；
Second homogenizing plate is evenly distributed with the multiple second equal discharge orifices on second homogenizing plate；
Third homogenizing plate is evenly distributed with the equal discharge orifice of multiple thirds on the third homogenizing plate；
Wherein, first homogenizing plate, second homogenizing plate and the third homogenizing plate are along from the air intake on described Swim the direction successively arranged for interval of thief hatch, the cross of the first equal discharge orifice, the second equal discharge orifice and the equal discharge orifice of the third Sectional area is sequentially increased.
4. the ducting assembly of strainability detection system of fume filtering element according to claim 3, which is characterized in that institute The quantity, the quantity of the second equal discharge orifice and the quantity of the equal discharge orifice of the third for stating the first equal discharge orifice are successively reduced.
5. the ducting assembly of strainability detection system of fume filtering element according to claim 3, which is characterized in that institute Stating the distance between the first homogenizing plate and second homogenizing plate is 10cm-15cm；
The distance between second homogenizing plate and the third homogenizing plate are 10cm-15cm.
6. the ducting assembly of strainability detection system of fume filtering element according to claim 1, which is characterized in that also Include:
Mixed flow fan, the mixed flow fan are set to the air intake in the air duct, and the mixed flow fan is configured to the oil smoke The oil smoke that generator generates mixes with the air around the air intake and imports the air duct.
7. the ducting assembly of strainability detection system of fume filtering element according to claim 1, which is characterized in that also Include:
Fairing, the air duct have bend loss, the bend loss between the air intake and the current equalizer and The air duct is changed into horizontal direction from vertical direction, the fairing is set in the bend loss, the fairing The air-flow flowed through is configured to along the flowing of the direction for the bending axis for being parallel to the bend loss.
8. the ducting assembly of strainability detection system of fume filtering element according to claim 7, which is characterized in that institute Stating fairing includes:
Rectify frame；
Multiple cowling panels, each cowling panel extends camber along the direction for the bending axis for being parallel to the bend loss, more A cowling panel is set at equal intervals in the rectification frame.
9. the ducting assembly of strainability detection system of fume filtering element according to claim 1, which is characterized in that also Include:
Flow mixing device, the flow mixing device are set in the air duct and between the air intake and the current equalizer, institute It states flow mixing device and is configured to the oil smoke flowed through and air mixing.
10. the ducting assembly of strainability detection system of fume filtering element according to claim 9, which is characterized in that The flow mixing device includes:
Several first bridge inserts, first bridge insert are equipped with multiple first aerated areas and multiple first and keep out the wind region；
Several second bridge inserts, second bridge insert are equipped with multiple second aerated areas and multiple second and keep out the wind region；
Wherein, in the axial direction in the air duct, first bridge insert and the second bridge insert alternate intervals setting, Duo Gesuo State the first aerated area and multiple described second keep out the wind region position correspond, multiple described first keep out the wind region and multiple The position of second aerated area corresponds.
11. the ducting assembly of strainability detection system of fume filtering element according to claim 10, which is characterized in that First aerated area is equipped with spaced multiple first air grids, and second aerated area is equipped with spaced Multiple second air grids, first air grid and second air grid are both with respect to the axially inclined of the air duct It is arranged and the inclined direction of the two is opposite.
12. the ducting assembly of strainability detection system of fume filtering element according to claim 10, which is characterized in that The distance between adjacent first bridge insert and second bridge insert are 5cm-10cm.
13. the ducting assembly of strainability detection system of fume filtering element according to claim 1, which is characterized in that Further include:
Constant-current stabilizer, the constant-current stabilizer are set in the air duct and between the air intake and the sampled upstream mouth, The constant-current stabilizer is configured to axial direction flowing of the air-flow flowed through along the air duct.
14. the ducting assembly of strainability detection system of fume filtering element according to claim 13, which is characterized in that The constant-current stabilizer includes:
Current stabilization frame；
Multiple transverse direction grids, each lateral grid is horizontally extending, and multiple lateral grids are along the vertical direction etc. Spacing is set in the current stabilization frame；
Multiple vertical grids, each vertical grid extend along the vertical direction and are connected respectively with multiple lateral grids, Multiple vertical grids in the horizontal direction spaced set in the current stabilization frame；
Wherein, multiple lateral grids and multiple vertical grids limit multiple current stabilization channels, and multiple current stabilizations are logical Road is uniformly distributed in the cross section in the air duct, and each current stabilization channel is along the axially extending of the air duct.
15. the ducting assembly of strainability detection system of fume filtering element according to claim 9, which is characterized in that Further include:
Light mixing device, the light mixing device are set in the air duct and between the flow mixing device and the current equalizer, The light mixing device is configured to the oil smoke flowed through and air mixing.
16. the ducting assembly of strainability detection system of fume filtering element according to claim 15, which is characterized in that The light mixing device includes:
Gently mixed frame；
Multiple mixed flow inclined plates, axially inclined setting of each mixed flow inclined plate relative to the air duct, multiple mixed flows are oblique Plate is parallel and spaced set is in the gently mixed frame.
17. the ducting assembly of strainability detection system of fume filtering element according to claim 16, which is characterized in that Angle between the mixed flow inclined plate and the axial direction in the air duct is 45 °.
18. the ducting assembly of strainability detection system of fume filtering element according to claim 1, which is characterized in that Further include:
Detection block, the detection block are adapted to mount to the sample to be tested installation position, and the cross section of the detection block is divided into more A detection zone is test point at the center of each detection zone, and multiple detection zones are arranged in rows and columns, described Detection block is equipped with multiple acquisition holes, and multiple acquisition holes and multirow detection zone correspond.
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Citations (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1186202A (en) * 1998-01-04 1998-07-01 吴解生 Picture style smoke sucking filter
CA2334480A1 (en) * 2000-02-14 2001-08-14 J. Rushton Bailey Air filtration system
CA2349132A1 (en) * 2000-05-26 2001-11-26 The Coleman Company, Inc. Heater with light
CN2517997Y (en) * 2002-01-08 2002-10-23 彭查理 Efficiency cooker hood with fume & smoke filter core
CN1392391A (en) * 2002-07-25 2003-01-22 浙江大学 Multiple air channel air amount measuring method and device in large air channel
CN2671688Y (en) * 2003-09-16 2005-01-19 陈国榘 Front combined electrid dust removing and air flow even distribution smoke box
CN101281698A (en) * 2008-06-03 2008-10-08 浙江融智能源科技有限公司 Simulation platform and test method for flow field arrangement structure of flue gas denitration apparatus
CN101637700A (en) * 2009-08-14 2010-02-03 中电投远达环保工程有限公司 SCR denitrification process and denitrification device of ammonia injection grid adopting non-unidiameter injection orifices
CN201524524U (en) * 2009-09-29 2010-07-14 曾永健 Analog platform of flow field distribution structure of flue gas denitration device
CN101995018A (en) * 2009-08-24 2011-03-30 戴卫军 Cyclone pulverized coal burner
CN201819235U (en) * 2010-10-09 2011-05-04 溧阳平陵林机有限公司 Smokeless charcoal grill
CN202146712U (en) * 2011-06-27 2012-02-22 南京龙源环保有限公司 Smoke catalytic reduction denitration device capable of mixing uniformly, equalizing and guiding flow
US20120071082A1 (en) * 2005-05-06 2012-03-22 John Chris Karamanos Modular building utilities systems and methods
CN202533242U (en) * 2012-02-21 2012-11-14 南开大学 Multifunctional movable type wind erosion wind tunnel
CN103076151A (en) * 2013-01-21 2013-05-01 山东大学 Selective catalytic reduction (SCR) flue gas denitrification flow field cold state testing system and method
CN103292835A (en) * 2013-05-10 2013-09-11 中国科学技术大学 Comprehensive detection simulation experiment device for fire detection performance
CN103592330A (en) * 2013-08-12 2014-02-19 中国东方电气集团有限公司 Flow mixing device for air duct system
CN203971752U (en) * 2014-06-20 2014-12-03 天津永福环保技术发展有限公司 A kind of cooking fume remover
CN204284777U (en) * 2014-10-28 2015-04-22 鞍山红拖机械制造股份有限公司 A kind of pipe-line system distributes negative pressure device
CN204974198U (en) * 2015-07-28 2016-01-20 广州华优电器有限公司 Module formula air purifier
CN105618244A (en) * 2016-03-17 2016-06-01 苏州西热节能环保技术有限公司 Primary air flow mixing and equilibrating device for round air duct of coal mill inlet
CN105880020A (en) * 2016-04-07 2016-08-24 浙江南源环境工程技术有限公司 System for guaranteeing electric field inlet airflow uniformity of wet electric dust remover
CN106198897A (en) * 2016-08-31 2016-12-07 武汉华正环境检测技术有限公司 The detection device of a kind of cooking fume remover and detection method thereof
CN206317379U (en) * 2016-12-26 2017-07-11 铜陵中发三佳科技股份有限公司 A kind of bridge insert for plastic irregular profile mould
US20170241892A1 (en) * 2012-06-18 2017-08-24 Sobru Solutions, Inc. Organism Evaluation System and Method of Use
JP2017149304A (en) * 2016-02-25 2017-08-31 株式会社デンソー Air blowout device for vehicle
CN107126835A (en) * 2017-06-09 2017-09-05 中国联合工程公司 A kind of SCR denitration ammonification and even flow field structure and its operation method
CN107824044A (en) * 2017-12-01 2018-03-23 山西大学 A kind of flow fieldoptimization device of apparatus of thermo-electric power boiler denitrating system
CN107899419A (en) * 2017-12-06 2018-04-13 佛山早稻田环保节能科技有限公司 A kind of kitchen exhaust gas deodorization device
CN108168022A (en) * 2017-10-26 2018-06-15 佛山市顺德区阿波罗环保器材有限公司 intelligent air purifying system
CN108303358A (en) * 2018-01-30 2018-07-20 天津大学 Oil smoke generating means
CN207722634U (en) * 2017-12-01 2018-08-14 山西大学 A kind of flow fieldoptimization device of apparatus of thermo-electric power boiler denitrating system
CN207830214U (en) * 2017-12-16 2018-09-07 大唐东北电力试验研究所有限公司 A kind of fan outlet constant-current stabilizer
CN108636102A (en) * 2018-04-28 2018-10-12 南京新瓦特智控科技有限公司 A kind of online dynamic of denitration velocity field is adjustable commutation system and method
CN108980947A (en) * 2018-09-27 2018-12-11 佛山市顺德区美的洗涤电器制造有限公司 Range hood
CN109028207A (en) * 2018-09-20 2018-12-18 郑州大学环境技术咨询工程公司 A kind of cooperated purification system of food and beverage sevice unit oil smoke and volatile organic matter
CN109489094A (en) * 2018-12-18 2019-03-19 中山尚诚环保科技有限公司 It is a kind of to have the function of back-fire relief and the high lampblack filter of oil removal efficiency
CN208703991U (en) * 2018-08-14 2019-04-05 佛山市卓健环保科技有限公司 A kind of fume purifying all-in-one machine equipped with novel homogenizing plate
CN209068574U (en) * 2018-08-14 2019-07-05 佛山市卓健环保科技有限公司 The extreme low-altitude discharge static fume purification integrated machine of automatically cleaning

Patent Citations (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1186202A (en) * 1998-01-04 1998-07-01 吴解生 Picture style smoke sucking filter
CA2334480A1 (en) * 2000-02-14 2001-08-14 J. Rushton Bailey Air filtration system
CA2349132A1 (en) * 2000-05-26 2001-11-26 The Coleman Company, Inc. Heater with light
CN2517997Y (en) * 2002-01-08 2002-10-23 彭查理 Efficiency cooker hood with fume & smoke filter core
CN1392391A (en) * 2002-07-25 2003-01-22 浙江大学 Multiple air channel air amount measuring method and device in large air channel
CN2671688Y (en) * 2003-09-16 2005-01-19 陈国榘 Front combined electrid dust removing and air flow even distribution smoke box
US20120071082A1 (en) * 2005-05-06 2012-03-22 John Chris Karamanos Modular building utilities systems and methods
CN101281698A (en) * 2008-06-03 2008-10-08 浙江融智能源科技有限公司 Simulation platform and test method for flow field arrangement structure of flue gas denitration apparatus
CN101637700A (en) * 2009-08-14 2010-02-03 中电投远达环保工程有限公司 SCR denitrification process and denitrification device of ammonia injection grid adopting non-unidiameter injection orifices
CN101995018A (en) * 2009-08-24 2011-03-30 戴卫军 Cyclone pulverized coal burner
CN201524524U (en) * 2009-09-29 2010-07-14 曾永健 Analog platform of flow field distribution structure of flue gas denitration device
CN201819235U (en) * 2010-10-09 2011-05-04 溧阳平陵林机有限公司 Smokeless charcoal grill
CN202146712U (en) * 2011-06-27 2012-02-22 南京龙源环保有限公司 Smoke catalytic reduction denitration device capable of mixing uniformly, equalizing and guiding flow
CN202533242U (en) * 2012-02-21 2012-11-14 南开大学 Multifunctional movable type wind erosion wind tunnel
US20170241892A1 (en) * 2012-06-18 2017-08-24 Sobru Solutions, Inc. Organism Evaluation System and Method of Use
CN103076151A (en) * 2013-01-21 2013-05-01 山东大学 Selective catalytic reduction (SCR) flue gas denitrification flow field cold state testing system and method
CN103292835A (en) * 2013-05-10 2013-09-11 中国科学技术大学 Comprehensive detection simulation experiment device for fire detection performance
CN103592330A (en) * 2013-08-12 2014-02-19 中国东方电气集团有限公司 Flow mixing device for air duct system
CN203971752U (en) * 2014-06-20 2014-12-03 天津永福环保技术发展有限公司 A kind of cooking fume remover
CN204284777U (en) * 2014-10-28 2015-04-22 鞍山红拖机械制造股份有限公司 A kind of pipe-line system distributes negative pressure device
CN204974198U (en) * 2015-07-28 2016-01-20 广州华优电器有限公司 Module formula air purifier
JP2017149304A (en) * 2016-02-25 2017-08-31 株式会社デンソー Air blowout device for vehicle
CN105618244A (en) * 2016-03-17 2016-06-01 苏州西热节能环保技术有限公司 Primary air flow mixing and equilibrating device for round air duct of coal mill inlet
CN105880020A (en) * 2016-04-07 2016-08-24 浙江南源环境工程技术有限公司 System for guaranteeing electric field inlet airflow uniformity of wet electric dust remover
CN106198897A (en) * 2016-08-31 2016-12-07 武汉华正环境检测技术有限公司 The detection device of a kind of cooking fume remover and detection method thereof
CN206317379U (en) * 2016-12-26 2017-07-11 铜陵中发三佳科技股份有限公司 A kind of bridge insert for plastic irregular profile mould
CN107126835A (en) * 2017-06-09 2017-09-05 中国联合工程公司 A kind of SCR denitration ammonification and even flow field structure and its operation method
CN108168022A (en) * 2017-10-26 2018-06-15 佛山市顺德区阿波罗环保器材有限公司 intelligent air purifying system
CN207722634U (en) * 2017-12-01 2018-08-14 山西大学 A kind of flow fieldoptimization device of apparatus of thermo-electric power boiler denitrating system
CN107824044A (en) * 2017-12-01 2018-03-23 山西大学 A kind of flow fieldoptimization device of apparatus of thermo-electric power boiler denitrating system
CN107899419A (en) * 2017-12-06 2018-04-13 佛山早稻田环保节能科技有限公司 A kind of kitchen exhaust gas deodorization device
CN207830214U (en) * 2017-12-16 2018-09-07 大唐东北电力试验研究所有限公司 A kind of fan outlet constant-current stabilizer
CN108303358A (en) * 2018-01-30 2018-07-20 天津大学 Oil smoke generating means
CN108636102A (en) * 2018-04-28 2018-10-12 南京新瓦特智控科技有限公司 A kind of online dynamic of denitration velocity field is adjustable commutation system and method
CN208703991U (en) * 2018-08-14 2019-04-05 佛山市卓健环保科技有限公司 A kind of fume purifying all-in-one machine equipped with novel homogenizing plate
CN209068574U (en) * 2018-08-14 2019-07-05 佛山市卓健环保科技有限公司 The extreme low-altitude discharge static fume purification integrated machine of automatically cleaning
CN109028207A (en) * 2018-09-20 2018-12-18 郑州大学环境技术咨询工程公司 A kind of cooperated purification system of food and beverage sevice unit oil smoke and volatile organic matter
CN108980947A (en) * 2018-09-27 2018-12-11 佛山市顺德区美的洗涤电器制造有限公司 Range hood
CN109489094A (en) * 2018-12-18 2019-03-19 中山尚诚环保科技有限公司 It is a kind of to have the function of back-fire relief and the high lampblack filter of oil removal efficiency

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘卫刚 等: "T/R组件通风风道散热设计", 《电子科技》 *
郭爱军 等: "液压支架过滤器滤芯过滤性能的测试", 《山西煤炭》 *

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