CN205032018U - Air filtration device - Google Patents
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- CN205032018U CN205032018U CN201520719976.4U CN201520719976U CN205032018U CN 205032018 U CN205032018 U CN 205032018U CN 201520719976 U CN201520719976 U CN 201520719976U CN 205032018 U CN205032018 U CN 205032018U
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Abstract
The utility model relates to a filtration field especially relates to an air filtration device. This air filtration device includes first filter, first filter include porous buckled plate (1) and set up the surface smoothness that is used for improving porous buckled plate (1) of the surface of porous buckled plate (1) with so that reduce the material layer of binding energy. The material layer has prevented effectively that dust and sand particle, moisture and foreign matter (like poplar wadding, catkin, weeds etc. ) from attached to on the porous buckled plate, especially comparing in prior art, has prevented on flocculus in the air such as catkin, yang xu is attached to porous buckled plate effectively and and then inspiration air filtration device inner space for first filter has played the effect of the flocculus in the air such as isolated catkin, yang xu. Further, when for example using on the locomotive, the side direction wind of the in -process that traveles can be assisted and blown away the rupturable flocculus. To sum up, this air filtration device especially can filter the flocculus in the air such as catkin, yang xu effectively.
Description
Technical field
The utility model relates to field of air filtration, particularly relates to a kind of air filtration unit.
Background technology
The electrical equipment of electric locomotive (comprising motor-car, high ferro) and the engine of diesel locomotive are a kind of visual plants ensureing that locomotive normally runs.In order to ensure the normal operation of locomotive, on the electrical equipment of electric locomotive, be usually provided with the air filtration unit for filtering cooling-air, diesel locomotive is provided with the air filtration unit sucking air for filtering engine.Along with the raising of the performance of locomotive and power, to the filter effect also increasingly stringent of air, require that air filtration unit can remove sand and dust particulate in air (as the grains of sand, coal ash, dust etc.), moisture and foreign matter (as poplar wadding, catkin, weeds etc.) effectively, ensure the clean of air, ensure the electrical equipment of locomotive and the safety of engine.
At present, the locomotive (electric locomotive, diesel locomotive) usually adopted exists with air filtration unit removes sand and dust particulate (as the grains of sand, coal ash, dust etc.), moisture and foreign matter (as poplar wadding, catkin, the weeds etc.) defect that efficiency is lower.In actual application, the dust granule that electric component surface attachment is tiny, in the environment that humidity is larger, electric component discharging gap can be caused to occur electric fault not, seasonal floccule attachment electric component surface causes overheated and then breaking down.And the engine of diesel locomotive also causes damage because sucking sand and dust.
At present, CRH380BL type EMUs high-pressure system cooling unit air inlet has three layer of air filters, is respectively skirtboard grid, fine mesh dirt coarse filter and FSA air cleaner.Skirtboard grid, as ground floor air cleaner, mainly prevents in EMUs high-speed cruising that foreign matter is to the impact of air inlet, and degree of protection, at about IP21, prevents the object such as stone, flying bird from entering air inlet.The pitch-row of the filter bores on fine mesh dirt coarse filter is about 1mm, prevents the foreign matters such as oarse-grained dust and fallen leaves from entering air inlet.FSA air cleaner is arranged on the rear portion of fine mesh dirt coarse filter, has certain filter effect to fine particle, moisture content in air.This overall structure is better for the resultant effect of filtered water, stone particle, and ventilation speed is at more than 6m/s, can ensure ventilation, so adopted by high ferro EMUs such as Europe.China has also introduced this kind of air filtration unit when motor-car technology transfer simultaneously.
But the effect that above-mentioned air filtration unit filters the foreign objects such as floccule, short fiber, a large amount of dusts storm is poor.China's high ferro running environment is poor, when cooling fan works, the fibre object such as floccule can pass through this which floor filter plant, be attached directly to cooler surface, cause radiating property of cooler not good, thus cause coolant temperature in cooling system to raise, train diagnostic system is according to the actual temp of cooling fluid, corresponding reduction part traction power, causes EMUs limiting operation.Often there is the phenomenon of COOLANT TEMPERATURE in high-tension apparatus in the CRH380BL type EMUs running the lines such as in Beijing-Shanghai-Hangzhoupro, capital is wide, Lanzhou-Xinjiang in particularly annual catkin season, dust storm season, train diagnostic system reduces car load traction power automatically, cause car group fall-back, have a strong impact on the operation order of high ferro circuit.
In addition, due to the air filtration less effective of air-conditioning system cooler, use for airfiltering non-woven fabrics and just must enter pulled down cleaning in 2 days.Find that air filtration unit surface is cleaner to after the air filtration unit inspection of traction convertor, tractive transformer, and cooler surface floccule is seriously polluted, this illustrates that air filtration unit does not play good filtration to catkin, and the equipment that have impact on normally works.For solving the problem, the motor-car department that uses has to dismounting and cleaning filter screen when the maintenance of each motor-car warehouse-in, within about 20 days, air filtration unit to be pulled down the dirt of cleaning heat-exchanger surface, workload is very large, what more allow people worry is hidden danger on the application safety that causes of frequent dismounting, and causing dismounting position normal service life to reduce, these all use motor-car and propose baptism, urgently to be resolved hurrily.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of air filtration unit that effectively can filter floccule.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of air filtration unit, comprise the first filter, the first filter comprise protruded ripple plate and be arranged on protruded ripple plate outer surface for the surface smoothness that improves protruded ripple plate with so that reduce combine can material layer.
According to the utility model, material layer is nano mirror sprayed coating or automatically cleaning alloy material layer; And/or material surface is smooth; And/or the corner of material layer is mellow and full.
According to the utility model, material layer is nano mirror sprayed coating or automatically cleaning alloy material layer.
According to the utility model, material surface is smooth.
According to the utility model, the corner of material layer is mellow and full.
According to the utility model, the scrimp angle of protruded ripple plate is positioned at the scope of 85 °-95 °; And/or protruded ripple plate forms by the blank with multiple through hole is folding, be parallel to through hole cross section plane projection in the diameter of the gross area of the through hole scope and/or through hole that are arranged in the 30%-40% of the gross area of blank be the scope that the centre-to-centre spacing of two through holes that 3mm and/or multiple through hole are adjacent is positioned at 4.25mm-5.25mm.
According to the utility model, the scrimp angle of protruded ripple plate is positioned at the scope of 85 °-95 °.
According to the utility model, protruded ripple plate forms by the blank with multiple through hole is folding, be parallel to through hole cross section plane projection in, the gross area of through hole is positioned at the scope of the 30%-40% of the gross area of blank.
According to the utility model, protruded ripple plate forms by the blank with multiple through hole is folding, and the diameter of through hole is 3mm.
According to the utility model, protruded ripple plate forms by the blank with multiple through hole is folding, and the centre-to-centre spacing of two through holes adjacent in multiple through hole is positioned at the scope of 4.25mm-5.25mm.
According to the utility model, also comprise: the second filter being positioned at the first filter downstream, the second filter is at least one vortex tube.
According to the utility model, vortex tube comprises: main pipe, be arranged on the eddy flow portion of main pipe front portion and be arranged on the separation unit at main pipe rear portion, the sidewall of main pipe corresponds to separation unit and is provided with through dust mouth; Wherein, the rear end in eddy flow portion and the front end of separation unit form separated space separately, separation unit has through clean air passing away, the front end of clean air passing away is communicated with separated space, the outer wall of separation unit and the inwall of main pipe form dust discharge passage separately, and separated space is communicated with dust mouth by dust discharge passage.
According to the utility model, the length in eddy flow portion equals 1/3 of the length of main pipe; And/or the distortion 175 °-180 ° in the length of main pipe's 1/3rd of the helical blade in eddy flow portion; And/or 4 helical blades are set; And/or the outer wall of separation unit forms guide face, the water conservancy diversion angle of guide face is positioned at the scope of 60 °-65 °; And/or the length of separated space equals 1/4 of the length of main pipe; And/or dust mouth is the half of the periphery girth of main pipe along the length of the circumferential direction of main pipe.
According to the utility model, the length of the helical blade in eddy flow portion equals 1/3 of the length of main pipe.
According to the utility model, helical blade distortion 175 °-180 ° in the length of main pipe's 1/3rd in eddy flow portion.
According to the utility model, 4 helical blades are set.
According to the utility model, the outer wall of separation unit forms guide face, and the water conservancy diversion angle of guide face is positioned at the scope of 60 °-65 °.
According to the utility model, the length of separated space equals 1/4 of the length of main pipe.
According to the utility model, dust mouth is the half of the periphery girth of main pipe along the length of the circumferential direction of main pipe.
According to the utility model, also comprise: casing, there is the front panel, rear board, top board, base plate, left plate and the right plate that surround enclosed cavity; Wherein, front panel is provided with multiple first through hole, rear board is provided with and multiple first through hole multiple second through hole one to one, corresponding to each first through hole and second through hole corresponding with it, a vortex tube is set, the two ends of vortex tube connect the first through hole and the second through hole respectively, and the direction that eddy flow portion points to separation unit is identical with the direction that the first through hole points to the second through hole, and dust mouth is arranged downward; Wherein, protruded ripple plate is arranged on front panel, and is positioned at the upstream of vortex tube; Wherein, front panel is provided with and selectively opens and closes with by selective with the external world for the enclosed cavity dust removing door be communicated with, dust removing door is positioned at the below of multiple first through hole, and base plate is along the downward-sloping setting in direction pointing to front panel.
According to the utility model, the two ends of vortex tube are bonding with the first through hole and the second through hole respectively; And/or protruded ripple plate is connected with front panel by welding, riveting the one in being connected with bolt; And/or the outer peripheral edge of dust removing door is provided with sealing strip; And/or dust removing door and front panel are connected through the hinge, and be connected by bolt and front panel are selective; And/or in front panel, there is framework, protruded ripple plate is fixed in framework, and framework is provided with conduction hole, and the strip groove of protruded ripple plate is in communication with the outside by conduction hole.
According to the utility model, the two ends of vortex tube are bonding with the first through hole and the second through hole respectively.
According to the utility model, protruded ripple plate is connected with front panel by welding, riveting the one in being connected with bolt.
According to the utility model, the outer peripheral edge of dust removing door is provided with sealing strip.
According to the utility model, dust removing door and front panel are connected through the hinge, and are connected by bolt and front panel are selective.
According to the utility model, separation unit and main pipe are integrated part.
According to the utility model, air filtration unit is for the engine of the electrical equipment or diesel locomotive that are arranged on electric locomotive.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages:
Air filtration unit of the present utility model, the first filter wherein comprises protruded ripple plate, the outer surface of protruded ripple plate be provided with surface smoothness for improving protruded ripple plate with so that reduce combine can material layer.Thus, material layer effectively prevent sand and dust particulate (as the grains of sand, coal ash, dust etc.), moisture and foreign matter (as poplar wadding, catkin, weeds etc.) and is attached on protruded ripple plate, especially prior art is compared to, material layer effectively prevent the floccule in the air such as catkin, Yang Xu to be attached on protruded ripple plate and and then suck air filter inner space, make the first filter serve the effect of the floccule in the air such as isolated catkin, Yang Xu.Further, when being such as used in locomotive (electric locomotive or diesel locomotive) and being upper, the lateral wind in driving process can be assisted and be blown away by the floccule in the air such as isolated catkin, Yang Xu.To sum up, make the air filtration unit of the present embodiment effectively can filter sand and dust particulate (as the grains of sand, coal ash, dust etc.), moisture and foreign matter (as poplar wadding, catkin, weeds etc.), be compared to prior art, especially effectively can filter the floccule in the air such as catkin, Yang Xu.Time in the cooling system being applied in locomotive, especially in catkin season, do not solve the radiating property of cooler that causes because cooler surface attachment floccule good thus cause the problem that in cooling system, coolant temperature raises, also and then solve the corresponding EMUs limiting operation problem caused.
Accompanying drawing explanation
Fig. 1 is the front schematic perspective view of an embodiment of air filtration unit of the present utility model, which basically illustrates the inlet side of this air filtration unit;
Fig. 2 is the structural representation of the protruded ripple plate of air filtration unit in Fig. 1;
Fig. 3 is the back side schematic perspective view of the air filtration unit in Fig. 1, which basically illustrates the air side of this air filtration unit;
Fig. 4 be air filtration unit in Fig. 1 the structural representation of casing;
Fig. 5 is the fragmentary sectional view of the air filtration unit in Fig. 1, it illustrates front panel, vortex tube and rear board;
Fig. 6 is the schematic perspective view of the vortex tube of air filtration unit in Fig. 1;
Fig. 7 is the sectional view of the vortex tube of air filtration unit in Fig. 1;
Fig. 8 is the front end view of the vortex tube of air filtration unit in Fig. 1;
Fig. 9 is the dust removing door of air filtration unit in Fig. 1 and the structural representation of connected hinge;
Figure 10 is the air mass flow-air drag performance chart mentioned in table 2 below.
In figure:
1: protruded ripple plate; 2: vortex tube; 21: main pipe; 22: eddy flow portion; 23: separation unit; 24: dust mouth; 25: separated space; 26: clean air passing away; 27: dust discharge passage; 3: front panel; 4: rear board; 5: top board; 6: base plate; 7: left plate; 8: right plate; 9: the first through holes; 10: the second through holes; 11: dust removing door; 12: openings.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.Wherein, " front " mentioned herein and " afterwards " are all with reference to air intake direction, by the direction being " front " sensing " afterwards " along air intake direction.
With reference to Fig. 1, an embodiment of air filtration unit of the present utility model, it comprises the first filter.In the utility model, the first filter comprises protruded ripple plate 1 and is arranged on the material layer of outer surface of protruded ripple plate 1, this material layer for the surface smoothness that improves protruded ripple plate 1 with so that reduce in conjunction with energy.Wherein, " outer surface of protruded ripple plate 1 " is protruded ripple plate 1 surface towards inlet side in the application.Thus, material layer effectively prevent sand and dust particulate (as the grains of sand, coal ash, dust etc.), moisture and foreign matter (as poplar wadding, catkin, weeds etc.) and is attached on protruded ripple plate, especially prior art is compared to, material layer effectively prevent the floccule in the air such as catkin, Yang Xu to be attached on protruded ripple plate and and then suck air filter inner space, make the first filter serve the effect of the floccule in the air such as isolated catkin, Yang Xu.Further, when being such as used in locomotive (electric locomotive or diesel locomotive) and being upper, the lateral wind in driving process can be assisted and be blown away by the floccule in the air such as isolated catkin, Yang Xu.To sum up, make the air filtration unit of the present embodiment effectively can filter sand and dust particulate (as the grains of sand, coal ash, dust etc.), moisture and foreign matter (as poplar wadding, catkin, weeds etc.), be compared to prior art, especially effectively can filter the floccule in the air such as catkin, Yang Xu.Time in the cooling system being applied in locomotive, especially in catkin season, do not solve the radiating property of cooler that causes because cooler surface attachment floccule good thus cause the problem that in cooling system, coolant temperature raises, also and then solve the corresponding EMUs limiting operation problem caused.
With further reference to Fig. 1 and Fig. 2, in the present embodiment, protruded ripple plate 1 forms by the blank with multiple through hole is folding, that is, first form through hole in plate blank upper punch hole, then the blank this with multiple through hole is folded to form protruded ripple plate 1.Preferably, protruded ripple plate 1 (i.e. blank) is made up of metal material.
Wherein, to be formed in plate blank upper punch hole after through hole and before being folded to form protruded ripple plate 1, be parallel to through hole cross section plane projection in, the gross area of through hole is positioned at the scope of the 30%-40% of the gross area of blank.The diameter of the through hole on blank is 3mm, and the centre-to-centre spacing of two through holes adjacent in the multiple through holes on blank is positioned at the scope of 4.25mm-5.25mm.Preferably, the multiple through holes on blank are that multiple matrix type that is horizontally-arranged and multiple vertical setting of types composition is arranged.The scrimp angle of protruded ripple plate 1 is positioned at the scope of 85 °-95 °, above-mentioned " scrimp angle " the i.e. angle of the drift angle of the ripple of protruded ripple plate 1.Air inlet area can be increased thus.Have the corrugated plating that above-mentioned concrete size is arranged, filter effect is more remarkable.
Wherein, material layer is nano mirror sprayed coating or automatically cleaning alloy material layer, preferably adopts nano mirror sprayed coating because nano mirror sprayed coating price is lower.Wherein, nano mirror sprayed coating or automatically cleaning alloy material layer all reduce combination energy because this reducing the irregularity degree on protruded ripple plate surface, and then prevent the attachment of the floccule in the air such as catkin, Yang Xu.Certainly, the utility model is not limited to this, in other alternative-embodiments, can adopt any to floccule without absorption or adhesive attraction material formed material layer, as long as floccule can be prevented to be attached on protruded ripple plate 1.In addition, material surface is smooth and corner is mellow and full, avoids the floccule such as catkin, Yang Xu attached thereto further.
Wherein, with reference to Fig. 1-Fig. 5, in the present embodiment, air filtration unit also comprises casing and the second filter, and the second filter is that at least one vortex tube 2, second filter bits is in the downstream of the first filter, namely air is first through the first metre filter, and then through the second metre filter.Enter a small amount of foreign matter (as poplar wadding, catkin, weeds etc.) of air filtration unit, sand and dust particulate (as the grains of sand, coal ash, dust etc.) and moisture by the first filter can be separated by vortex tube 2 further, which thereby enhance the integral filter efficiency of this air filtration unit to sand and dust particulate (as the grains of sand, coal ash, dust etc.), moisture and foreign matter (as poplar wadding, catkin, weeds etc.).
More specifically, in the present embodiment, casing has front panel 3, rear board 4, top board 5, base plate 6, left plate 7 and right plate 8, the enclosed cavity that front panel 3, rear board 4, top board 5, base plate 6, left plate 7 and right plate 8 are encircled a city jointly for holding dirt.Wherein, front panel 3 and rear board 4 are oppositely arranged, and top board 5 and base plate 6 are oppositely arranged, and left plate 7 and right plate 8 are oppositely arranged, and the direction that front panel points to rear board is air intake direction.Preferably, front panel 3, rear board 4, top board 5, base plate 6, left plate 7 and right plate 8 are made up of metal material, by riveting or be welded to connect formation enclosed cavity.
Wherein, front panel 3 is provided with multiple first through hole 9, rear board 4 is provided with multiple second through hole 10, multiple second through holes 10 and multiple first through hole 9 one_to_one corresponding.In the present embodiment, the line at the center of the first through hole and the center of the second through hole is perpendicular to front panel 3 and rear board 4, corresponding to each first through hole 9 and second through hole 10 corresponding with it, a vortex tube 2 is set, the two ends of vortex tube 2 connect the first through hole 9 and the second through hole 10 respectively, thus, multiple vortex tube 2 is fixed on casing.Preferably, the two ends of vortex tube 2 are bonding with the first through hole 9 and the second through hole 10 respectively, to guarantee sealing.
Wherein, protruded ripple plate 1 is arranged on front panel 3, and thus, protruded ripple plate 1 is also fixed on casing.And then the first filter and the second filter are all incorporated on casing.In addition, protruded ripple plate 1 is positioned at the upstream of vortex tube 2, namely air by after the through hole of protruded ripple plate 1 through vortex tube 2, thus, the protruded ripple plate 1 being provided with above-mentioned material layer not only serves the effect of the floccule in the air such as isolated poplar wadding, catkin, also serves and prevents from causing because of foreign matter impact the effect that vortex tube 2 damages.Preferably, protruded ripple plate 1 is connected with front panel 3 by welding, riveting the one in being connected with bolt.Wherein, the magnitude setting of vortex tube 2 adjusts according to specified ventilation, and certainly, the quantity of the quantity basis vortex tube 2 of the first through hole 9 and the second through hole 10 is determined.
Further, with reference to Fig. 5-Fig. 8, vortex tube 2 comprises main pipe 21, eddy flow portion 22 and separation unit 23, and eddy flow portion 22 is arranged on the front portion of main pipe 21, and separation unit 23 is arranged on the rear portion of main pipe 21.The sidewall of main pipe 21 corresponds to separation unit 23 and be provided with through dust mouth 24, the rear end in eddy flow portion 22 and the front end of separation unit 23 form separated space 25 separately, separation unit 23 has through clean air passing away 26, the front end of clean air passing away 26 is communicated with separated space 25, the outer wall of separation unit 23 and the inwall of main pipe 21 form dust discharge passage 27 separately, separated space 25 is communicated with dust mouth 24 by dust discharge passage 27, and (namely the entrance of dust discharge passage 27 is communicated with separated space 25, the outlet of dust discharge passage 27 is communicated with dust mouth 24).Can understand, dust discharge passage 27 is the passages between the outer wall of separation unit 23 and the inwall of main pipe 21, and clean air passing away 26 is the through channel being arranged in separation unit 23, and the two is isolated from each other and entrance is communicated with separated space 25 respectively.When vortex tube 2 is arranged on casing, the direction that eddy flow portion 22 points to separation unit 23 is identical with the direction that the first through hole 9 points to the second through hole 10.Wherein, the front portion of vortex tube 2 towards the direction at rear portion, the front end in eddy flow portion 22 towards the direction of rear end, the front end of separation unit 23 towards the direction of rear end all along air intake direction.
Thus, first air through the first metre filter enters into eddy flow portion 22, high speed centrifugation power is produced in eddy flow portion 22, after entering separated space 25, high speed centrifugation power by sand and dust particulate (as the grains of sand, coal ash, dust etc.), moisture and foreign matter are (as poplar wadding, catkin, weeds etc.) isolate from air and assemble the periphery being positioned at separated space, due to self gravitation and wind speed, sand and dust particulate is (as the grains of sand, coal ash, dust etc.), moisture and foreign matter are (as poplar wadding, catkin, weeds etc.) enter into dust discharge passage 27 and discharge from dust mouth 24 further, and the air (i.e. clean air) isolating above-mentioned substance directly under enter into clean air passing away 26 and and then discharge vortex tube 2.Thus, by the second filter, sand and dust particulate (as the grains of sand, coal ash, dust etc.), moisture and foreign matter (as poplar wadding, catkin, weeds etc.) are isolated from air, second time is created to air and filters.Especially, above-mentioned vortex tube 2, except having significant filter effect to the illustrated grains of sand, coal ash, dust, moisture, Yang Xu, catkin, weeds, also has significant filter effect to plastics.To sum up, the air filtration unit with the first filter and the second filter is particularly useful for the locomotive run between catkin season, sand and dust seasonal period.
Be configured on the basis of said structure at vortex tube 2, continue with reference to Fig. 7, arrange 4 helical blades in vortex tube 2, the length of vortex tube 2 equals 1/3 of the length of main pipe 21, and each helical blade is distortion 175 °-180 ° in the length of main pipe 21 1/3rd.The outer wall of the formation dust discharge passage 27 of separation unit 23 forms guide face, and the water conservancy diversion angle of guide face is positioned at the scope of 60 °-65 °.The length of separated space 25 equals 1/4 of the length of main pipe 21.The filter effect with the vortex tube of above-mentioned concrete size and vibrational power flow is more remarkable.Wherein, the length of the length in eddy flow portion 22, the length of main pipe 21 and separated space 25 is all that it is separately along the length of the axial direction of vortex tube 2.
Preferably, eddy flow portion 22 and main pipe 21 are integrated part.More preferably, separation unit 23 is made up of ABS engineering plastics, and eddy flow portion 22 and main pipe 21 are integrally formed by ABS engineering plastics.Further preferably, separation unit 23 is bonding with main pipe 21 by ABS glue, bonding by this, and separation unit 23 and main pipe 21 are merged and formed integral piece.Certainly, the utility model is not limited to this, and in other alternative-embodiments, those skilled in the art can adopt other modes to make separation unit 23, eddy flow portion 22 and main pipe 21 form integral piece.
Further, dust mouth 24 is arranged downward, is communicated with the enclosed cavity in casing.Thus, the sand and dust particulate (as the grains of sand, coal ash, dust etc.) of being discharged by dust mouth 24, moisture and foreign matter (as poplar wadding, catkin, weeds etc.) enter into enclosed cavity, and drop in enclosed cavity on base plate 6, and then pile up on base plate 6.Further, dust mouth 24 is the half of the periphery girth of main pipe 21 along the length of the circumferential direction of main pipe 21, this is provided with the impurity (from air isolated above-mentioned substance) be beneficial in dust discharge passage 27 and draws off, and prevents accumulation of impurities in vortex tube 2.Wherein, the length of the circumferential direction of dust mouth 24 refers to: in cross-section, and dust mouth 24 is along the arc length in the circle at the periphery wall place of main pipe 21; The periphery girth of main pipe 21 refers to: in cross-section, the girth in the circle at the periphery wall place of main pipe 21.
Further, with reference to Fig. 1, front panel 3 is provided with the dust removing door 11 selectively opened and closed, and the opening and closing of dust removing door 11 are used for enclosed cavity to be communicated with the external world is selective.Specific in the present embodiment, dust removing door 11 is positioned at the below of above-mentioned multiple first through hole 9, and base plate 6 is along the downward-sloping setting in direction pointing to front panel 3.Thus, in enclosed cavity, drop to the impurity on base plate 6 pile up towards the direction of dust removing door 11, when needs draw off impurity and safeguard, dust removing door 11 can be opened to remove the ponding laying dust in enclosed cavity, simple and easy to do, and solve the susceptible to plugging problem of air filtration unit in prior art.Preferably, the outer peripheral edge of dust removing door 11 is provided with sealing strip, with when dust removing door 11 is closed, guarantees enclosed cavity to be isolated from the outside out.Wherein, sealing strip can be arranged along the total length of the outer peripheral edge of dust removing door 11, or is only arranged in the place easily occurring gap between dust removing door 11 and front panel 3.Alternatively, dust removing door 11 is made up of metal material.
Can understand, front panel 3 is provided with openings 12, dust removing door 11 selectively covers this openings 12.Alternatively, as shown in Figure 9, dust removing door 11 and front panel 3 are connected through the hinge, and hinge welds with front panel 3 or rivets, and be connected with front panel 3 is selective by bolt, when dust removing door 11 is connected with front panel 3 by bolt, dust removing door 11 covers openings 12, is isolated from the outside by enclosed cavity, when removing bolt, dust removing door 11 outwards can rotate relative to front panel 3, and then exposes openings 12, and enclosed cavity is in communication with the outside.Also optional, dust removing door 11 is slidably arranged on front panel 3, and by sliding, dust removing door 11 covers openings 12 or exposes openings 12.Certainly, also optional, dust removing door 11 and front panel 3 clamping, when snapping in dust removing door 11, dust removing door 11 covers openings 12, when extracting dust removing door 11, exposes openings 12.
In addition, in the present embodiment, in front panel 3, there is framework, protruded ripple plate 1 is fixed in framework, framework is provided with conduction hole, the strip groove of protruded ripple plate 1 is in communication with the outside by conduction hole, is derived by impurity foreign material such as () sandy environment, moisture, catkins being gathered in the end of strip groove.
Particularly, conduction hole be arranged on the upper and lower sidewall of upper side wall of framework, up/down perforation.Corresponding Far Left and rightmost strip groove arrange conduction hole respectively and arrange conduction hole corresponding to each strip groove in the middle of both is selective, also can arrange conduction hole in the equal correspondence in the two ends of the strip groove of protruded ripple plate 1.The diameter of conduction hole is positioned at the scope of 10-12mm.Preferably, at least 8 conduction holes are respectively set at the upper side wall of framework and lower wall.Thus, conduction hole is set and can prevents impurity from accumulating, ensure more than 95% from dust removing effects.Wherein, can understand, after protruded ripple plate is arranged on front panel 3, face phase front panel 3 is looked, and protruded ripple plate just forms the form that strip bulge and strip groove are arranged alternately.
The air filtration unit of the present embodiment is tested through railway research institute, and has provided survey report (No. W-0826th, (2014) JL word) by locomotive Vehicle inspection station, Ministry of Railways's product quality supervision and inspection center.Wherein, name of product is " GYN type motor-car air cleaner ", and the report date of issuance is on October 15th, 2014.Interventions Requested have: outward appearance, size, weight check, initial resistance, filter efficiency, dust containing capacity, smoke test, the air drag under regulation flow, abrasion test, anti-catkin test, vibration test.Concrete assay is in Table 1-3 and Figure 10.
Table 1
Table 2
Table 3
Wherein, the air mass flow mentioned in table 1-air drag performance chart is see Figure 10 and table 3.
To sum up, the filtering efficiency of above-mentioned air filtration unit at least can be greater than 75%, effectively can filter sand and dust particulate (as the grains of sand, coal ash, dust etc.), moisture and foreign matter (as poplar wadding, catkin, weeds etc.), and performance efficiency is stablized, long service life, safeguards simple.Adopt the enclosed cavity of above-mentioned appearance dirt and the integrative design of two filters and dust removing door, make dust discharge simple and convenient, can a few minutes complete dust discharge work whenever and wherever possible, non-maintaining service life can reach more than 10 years.In addition, this air filtration unit can be applied in the update of all air filters of the various EMUs of system-wide, uses problems faced and hidden danger to solve motor-car.
When air filtration unit of the present utility model is on the engine of the electrical equipment or diesel locomotive that are arranged on electric locomotive, because the drainage of above-mentioned air filtration unit, efficiency of dust filtration are high, when being arranged on electric equipment, can isolate in application process preferably and easily be attached to the tiny dust granule in electrical part surface, and then prevent in the environment that humidity is larger due to the gap apparatus failure occurred not between electrical part electric discharge; Time on the engine being arranged on diesel locomotive, the protection good to engine is provided, greatly reduces the wearing and tearing of engine.
In addition, in China, how regional dust storm Duration Ratio be longer, and the dust foreign substance pollution in indivedual regional operation environment is serious.The filter effect of the air filtration system that diesel locomotive filled originally to sand and dust particulate and foreign matter is good not, and cause diesel engine intake quality low, fired state is bad, and piston and piston ring, cylinder sleeve abrasion are accelerated, and oil consumption increases.Now, adopt above-mentioned air filtration unit to substitute original air filtration unit, filtering efficiency improves twice, reaches more than 85%.Further, this air filtration unit is through locomotive Vehicle inspection station, Ministry of Railways's product quality supervision and inspection center, and performance indications reach the requirement of diesel engine to air mass and pressure completely.Compared with domestic like product, dependable performance, advanced technology.To solving improper abrasion that diesel engine of diesel locomotive parts improper abrasion particularly cause because of dust storm and reduce engine oil consumption has significant effect.
Certainly, air filtration unit of the present utility model Be very effective when being applied to locomotive, but, this air filtration unit still can be used for other field, plays it to the excellent filter effect of sand and dust particulate (as the grains of sand, coal ash, dust etc.), moisture and foreign matter (as poplar wadding, catkin, weeds etc.).
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. an air filtration unit, comprises the first filter, it is characterized in that,
Described first filter comprise protruded ripple plate (1) and be arranged on described protruded ripple plate (1) outer surface for the surface smoothness that improves described protruded ripple plate (1) with so that reduce combine can material layer.
2. air filtration unit according to claim 1, is characterized in that,
Described material layer is nano mirror sprayed coating or automatically cleaning alloy material layer; And/or
Described material surface is smooth; And/or
The corner of described material layer is mellow and full.
3. air filtration unit according to claim 1, is characterized in that,
The scrimp angle of described protruded ripple plate (1) is positioned at the scope of 85 °-95 °; And/or
Described protruded ripple plate (1) forms by the blank with multiple through hole is folding, be parallel to described through hole cross section plane projection described in the diameter of the gross area of the through hole scope and/or described through hole that are arranged in the 30%-40% of the gross area of described blank be the scope that the centre-to-centre spacing of two through holes that 3mm and/or described multiple through hole are adjacent is positioned at 4.25mm-5.25mm.
4. air filtration unit according to claim 1, is characterized in that, also comprises:
Be positioned at the second filter of described first filter downstream, described second filter is at least one vortex tube (2).
5. air filtration unit according to claim 4, is characterized in that, described vortex tube (2) comprising:
Main pipe (21), be arranged on the anterior eddy flow portion (22) of described main pipe (21) and be arranged on the separation unit (23) at described main pipe (21) rear portion, the sidewall of described main pipe (21) corresponds to described separation unit (23) and be provided with through dust mouth (24);
Wherein, the rear end of described eddy flow portion (22) and the front end of described separation unit (23) form separated space separately, described separation unit (23) has through clean air passing away (26), the front end of described clean air passing away (26) is communicated with described separated space (25), the outer wall of described separation unit (23) and the inwall of described main pipe (21) form dust discharge passage (27) separately, and described separated space (25) is communicated with described dust mouth (24) by described dust discharge passage (27).
6. air filtration unit according to claim 5, is characterized in that,
The length of described eddy flow portion (22) equals 1/3 of the length of described main pipe (21); And/or
Helical blade distortion 175 °-180 ° in the length of described main pipe's (21) 1/3rd of described eddy flow portion (22); And/or
4 described helical blades are set; And/or
The described outer wall of described separation unit (23) forms guide face, and the water conservancy diversion angle of described guide face is positioned at the scope of 60 °-65 °; And/or
The length of described separated space (25) equal the length of described main pipe (21) 1/4 and/or
Described dust mouth (24) is the half of the periphery girth of described main pipe (21) along the length of the circumferential direction of described main pipe (21).
7. air filtration unit according to claim 5, is characterized in that, also comprises:
Casing, has the front panel (3), rear board (4), top board (5), base plate (6), left plate (7) and the right plate (8) that surround enclosed cavity;
Wherein, described front panel (3) is provided with multiple first through hole (9), described rear board (4) is provided with and described multiple first through hole (9) multiple second through hole (10) one to one, corresponding to each described first through hole (9) and described second through hole (10) corresponding with it, a described vortex tube (2) is set, the two ends of described vortex tube (2) connect described first through hole (9) and described second through hole (10) respectively, and the direction that described eddy flow portion (22) points to described separation unit (23) is identical with the direction that described first through hole (9) points to described second through hole (10), described dust mouth (24) is arranged downward,
Wherein, described protruded ripple plate (1) is arranged on described front panel (3), and is positioned at the upstream of described vortex tube (2);
Wherein, described front panel (3) is provided with and selectively opens and closes with by selective with the external world for the described enclosed cavity dust removing door (11) be communicated with, described dust removing door (11) is positioned at the below of described multiple first through hole (9), and described base plate (6) is along the downward-sloping setting in direction pointing to described front panel (3).
8. air filtration unit according to claim 7, is characterized in that,
The two ends of described vortex tube (2) are bonding with described first through hole (9) and described second through hole (10) respectively; And/or
Described protruded ripple plate (1) is connected with described front panel (3) by welding, riveting the one in being connected with bolt; And/or
The outer peripheral edge of described dust removing door (11) is provided with sealing strip; And/or
Described dust removing door (11) and described front panel (3) are connected through the hinge, and are connected with described front panel (3) is selective by bolt; And/or
Described front panel has framework in (3), and described protruded ripple plate (1) is fixed in described framework, and described framework is provided with conduction hole, and the strip groove of described protruded ripple plate (1) is in communication with the outside by described conduction hole.
9. air filtration unit according to claim 5, is characterized in that,
Described separation unit (23) and described main pipe (21) are integrated part.
10. the air filtration unit according to any one of claim 1-9, is characterized in that,
Described air filtration unit is for the engine of the electrical equipment or diesel locomotive that are arranged on electric locomotive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520719976.4U CN205032018U (en) | 2015-09-17 | 2015-09-17 | Air filtration device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520719976.4U CN205032018U (en) | 2015-09-17 | 2015-09-17 | Air filtration device |
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| CN205032018U true CN205032018U (en) | 2016-02-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178790A (en) * | 2016-08-29 | 2016-12-07 | 慧城（北京）科技有限公司 | A kind of air filter |
| CN110005011A (en) * | 2018-09-27 | 2019-07-12 | 柳工常州机械有限公司 | A kind of bull-dozer desert type cooling system |
| CN113098237A (en) * | 2021-05-12 | 2021-07-09 | 郑州铁路职业技术学院 | Power converter and electric railway vehicle equipped with power converter |
| CN113769506A (en) * | 2021-10-26 | 2021-12-10 | 西安石油大学 | Air blowing-off filtering device, air inlet port filtering system and filtering method thereof |
-
2015
- 2015-09-17 CN CN201520719976.4U patent/CN205032018U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178790A (en) * | 2016-08-29 | 2016-12-07 | 慧城（北京）科技有限公司 | A kind of air filter |
| CN110005011A (en) * | 2018-09-27 | 2019-07-12 | 柳工常州机械有限公司 | A kind of bull-dozer desert type cooling system |
| CN113098237A (en) * | 2021-05-12 | 2021-07-09 | 郑州铁路职业技术学院 | Power converter and electric railway vehicle equipped with power converter |
| CN113098237B (en) * | 2021-05-12 | 2022-05-31 | 郑州铁路职业技术学院 | Power converter and electric railway vehicle equipped with power converter |
| CN113769506A (en) * | 2021-10-26 | 2021-12-10 | 西安石油大学 | Air blowing-off filtering device, air inlet port filtering system and filtering method thereof |
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