CN102350166B - Air filter system and steel rail grinding train - Google Patents
Air filter system and steel rail grinding train Download PDFInfo
- Publication number
- CN102350166B CN102350166B CN201110253363.2A CN201110253363A CN102350166B CN 102350166 B CN102350166 B CN 102350166B CN 201110253363 A CN201110253363 A CN 201110253363A CN 102350166 B CN102350166 B CN 102350166B
- Authority
- CN
- China
- Prior art keywords
- air
- panel
- dust
- collecting plate
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention provides an air filter system and a steel rail grinding train. The air filter system comprises coarse filter nets, a magnetic dust removal device and a dust filter box; the dust filter box is provided with a cavity which is enclosed by panels; each panel is provided with an air port inner side air inlet which is fixedly formed on the side wall of a train body and an air outlet which is used for conveying filtered air out of the train; each coarse filter net is covered and fixed on the air inlet and is used for performing coarse filtering on air entering the cavity; and the magnetic dust removal device is connected with the dust filter box and is used for adsorbing metal dust which is doped in air in the cavity. In the air filter system, the magnetic dust removal device is arranged to absorb metal dust so as to guarantee the air filtering effect; and fine filter nets are saved, so ventilation capacity of an air filer is not influenced, and overlarge negative pressure in a vehicle is avoided.
Description
Technical field
The present invention relates to train air filtration technology, relate in particular to a kind of air filtering system and rail grinding train.
Background technology
China railways is carried out speed-raising and heavily loaded technical policy, so the damage of the contact fatigue of rail is more and more serious, has had a strong impact on security and the economy of railway transportation.In such cases, the maintenance of rail and maintenance just seem more and more important.Steel rail grinding operation is the important method to railroad track maintenance.
Steel rail grinding operation refers to: rail grinding train adopts wheel grinding to remove the method for rail surface board defect.A rail iron filings part under polishing is bonded on grinding apparatus framework, and major part is converted into fine grain dust.And rail grinding train when operation needs a large amount of air, with cooling in-vehicle device, so car body inside must be communicated with outside air.Because a large amount of metallic dusts in disperse in rail grinding train ambient air, and metallic dust is very easily adsorbed on electrical equipment and causes equipment Damage by Short Circuit, so must filter entering the air of car body inside.
In existing rail grinding train, the partial structurtes of air filtering system as shown in Figure 1.Air filtering system is arranged on the outside, air port on rail grinding train vehicle body side wall, and filtration system comprises filter core and filter frame, and wherein filter core comprises shutter 11, coarse strainer 22 and fie screen 33.Shutter 11, coarse strainer 22 and fie screen 33 are all fixed on filter frame (not shown), and filter frame is arranged on the outside, air port of train body side wall.Shutter 11 is for opening and closing window, and plays dash effect.Outside air first filters out the large granular impurities such as leaf, stone through shutter 11; Then pass through coarse strainer 22 with metallic particles larger in filtered air, finally by crossing fie screen 33, the granule metallic dust with in filtered air, then enters car body inside.
At least there is following problem in prior art: the filtering accuracy of existing filtration system depends on fie screen, and the filtering accuracy of filter screen and draught capacity contradiction.The too high draught capacity that affects of filtering accuracy, causes the interior negative pressure of car too large; The too low effective Chalk-dust filtering of filtering accuracy.Because iron filings and the oxide particle thereof of polishing are thinner than general dust, existing filtration system, under assurance draught capacity prerequisite, cannot effectively be filtered, and causes metallic dust in car constantly to assemble, and causes electrical equipment short circuit.
Summary of the invention
The invention provides a kind of air filtering system and rail grinding train, in order to effective filtration, enter the airborne metallic dust of train, and do not affect draught capacity.
The invention provides a kind of air filtering system, wherein:
Comprise coarse strainer, magnetic dust removing device and filter dirt case;
Described filter dirt case has by panel and encloses the cavity forming, on described panel, offers respectively for being fixedly installed on the air inlet of the inner side, air port on train body side wall, and for the air outlet of air after output filtering in car;
Described coarse strainer hides and is fixed on described air inlet, to carry out coarse filtration to entering the air of described cavity;
Described magnetic dust removing device is connected with described filter dirt case, the metallic dust adulterating for adsorbing described inside cavity air.
Air filtering system as above, preferably:
Described magnetic dust removing device comprises collecting plate and magnetic force piece, the collecting plate that described collecting plate is soft magnetic materials;
Described collecting plate detachable is fixed on the panel of described filter dirt case;
Described magnetic force piece is fixed on described collecting plate, to magnetize described collecting plate.
Air filtering system as above, preferably:
In described filter dirt case, be also provided with cyclone dust collectors, described cyclone dust collectors be located on described air inlet, and be fixedly connected with described the first panel, described cyclone dust collectors and described magnetic dust removing device are oppositely arranged, for carrying out dedusting to entering the air of described filter dirt case, and the air after filtering is guided to described magnetic dust removing device.
Air filtering system as above, preferably:
The cavity of described filter dirt case is hexahedron;
On described hexahedral the first panel, offer as described air inlet the first through hole;
On described hexahedral the second panel, offer as described air outlet the second through hole, described the second panel and described the first panel are hexahedral adjacently situated surfaces, and described the second panel arranges upward;
Described magnetic dust removing device is fixedly installed on hexahedral the 3rd panel, and described the 3rd panel and described the second panel are hexahedral adjacently situated surfaces, and described the 3rd panel and described the first panel are oppositely arranged.
Air filtering system as above, preferably:
Described hexahedral the first panel is along perpendicular setting, described the 3rd panel is obliquely installed, described the second panel is connected between described the first panel and the top edge of the 3rd panel, and the angle of the inner surface of the inner surface of described the 3rd panel and described the second panel in obtuse angle.
Air filtering system as above, preferably:
The collecting plate upper lateral of described magnetic dust removing device is fixedly installed dust board, and described dust board is vertical with described collecting plate.
Air filtering system as above, preferably:
On described magnetic force piece, lever is installed, to control conducting and the disconnection of described magnetic force piece magnetic force.
Air filtering system as above, preferably:
Also comprise kuppe;
Described kuppe is located at described air outlet outside, to guide air to flow out described filter dirt case.
The present invention also provides a kind of rail grinding train, and its kind comprises the arbitrary described air filtering system of the present invention, and described air filtering system is arranged on the inner side, air port on train body side wall.
Air filtering system provided by the invention and rail grinding train, adopt and be provided with magnetic dust removing device with adsorbing metal dust, guaranteed the filter effect of air; Fie screen is no longer set, therefore can not affect the draught capacity of air cleaner, can cause the interior negative pressure of car excessive.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of existing air filtering system.
The schematic diagram of the air filtering system that Fig. 2 provides for the embodiment of the present invention one.
The schematic diagram of the air filtering system that Fig. 3 A provides for the embodiment of the present invention two.
Fig. 3 B is that schematic diagram is looked on a left side of Fig. 3 A.
Reference numeral:
11-shutter; 22-coarse strainer; 33-fie screen;
1-coarse strainer; 2-dust board; 3-collecting plate;
4-magnetic force piece; 5-cyclone cylinder; 6-blow-off pipe;
7-disposal box; 8-kuppe; 9-lever;
261-the second through hole; 21-cavity; 22-coarse strainer;
25-the first panel; 26-the second panel; 27-the 3rd panel;
28-shrouding; 33-fie screen; 251-the first through hole;
271-third through-hole.
The specific embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The air filtering system that the embodiment of the present invention provides, is applicable to the track train of Multiple Type, is particularly useful for the train that rail grinding train etc. needs metallic dust in filtered air.
Embodiment mono-
The schematic diagram of the air filtering system that Fig. 2 provides for the embodiment of the present invention one.The embodiment of the present invention one provides a kind of air filtering system, and this filtration system comprises coarse strainer 1, magnetic dust removing device and filter dirt case; Filter dirt case has by panel and encloses the cavity 21 forming, and offers respectively air inlet and air outlet on panel, and air inlet is for being fixedly installed on the inner side, air port on train body side wall, the air of air outlet after for output filtering in car; Coarse strainer 1 hides and is fixedly installed on air inlet, to carry out coarse filtration to entering the air of cavity 21; Magnetic dust removing device is connected with filter dirt case, the metallic dust adulterating for adsorbing cavity 21 inner airs.
Coarse strainer is for carrying out coarse filtration to entering the air of filter dirt case, such as filtering leaf, impurity that stone equal-volume is large, coarse strainer hides to be fixed on air inlet can realize above-mentioned functions, the present invention is not particularly limited coarse strainer, and to be positioned at filter dirt case inner or outside, and the present embodiment be take coarse strainer, and to be arranged on filter dirt case outside be example.
Magnetic dust removing device is for adsorbing the metallic dust that cavity inner air adulterates, and position and the way of realization of setting have multiple choices, such as magnetic dust removing device can be used a plurality of magnetic stripes, provide magnetic force, the metallic dust that magnetic stripe effectively adulterates in absorbed air; Each magnetic stripe can disperse to be fixed on inside cavity, also can be fixed on the inner surface of panel, and magnetic stripe can be half-hard magnetic material or permanent-magnet material.When the panel that the panel of filter dirt case is metal material, magnetic dust removing device can also be used electromagnet that magnetic force is provided, and electromagnet is fixed on the panel of filter dirt case with magnetization panel, and the panel being magnetized can adsorb the metallic dust adulterating in air in cavity.In brief, as long as magnetic dust removing device can adsorbing metal dust.
The shape of filter dirt case can, for spherical or prismatic, for the present embodiment, be filtered the preferred implementation of dirt case as shown in Figure 2: the cavity of filter dirt case is hexahedron, on hexahedral the first panel 25, offers the first through hole 251, usings as air inlet; On hexahedral the second panel 26, offer the second through hole 261, using as air outlet, the second panel 26 and the first panel 25 are hexahedral adjacently situated surfaces, and the second panel 26 arranges upward; Magnetic dust removing device is fixedly installed on hexahedral the 3rd panel 27, and the 3rd panel 27 and the second panel 26 are hexahedral adjacently situated surfaces, and the 3rd panel 27 and the first panel 25 are oppositely arranged.In the present embodiment, filter dirt case is to take the example that hexahedron carries out as example, so go back bolt between the first panel 25 and the 3rd panel 27, connected shrouding 28, further, the bottom of considering filter dirt case is mainly used in accommodating dust, is also provided with sealing gasket (not shown) to guarantee the sealing effectiveness of shrouding 28.
Further, hexahedral the first panel 25 is along perpendicular setting, the 3rd panel 27 is obliquely installed, and the second panel 26 is connected between the first panel 25 and the top edge of the 3rd panel 27, and the angle of the inner surface of the inner surface of the 3rd panel 27 and the second panel 26 in obtuse angle.
By hexahedral first panel of filter dirt case, along perpendicular setting, be for the ease of filter dirt case is arranged on locomotive side wall.The second panel is arranged upward, so that air outlet upward, this is to consider that in filter dirt process, dust drops on the bottom of filtering dirt case.The 3rd panel is obliquely installed, in collecting plate upper edge and the 3rd panel pivot joint, in the situation that collecting plate lower edge is fixedly connected with the 3rd panel pivot joint, during dust in cleaning on collecting plate, remove after being fixedly connected with between collecting plate and the 3rd panel, collecting plate has just naturally left the 3rd panel under the effect of gravity, so that remove the dust on collecting plate.In addition, the 3rd panel be obliquely installed and be convenient to non-magnetic dust and clash into after under Action of Gravity Field along its landing to filtering dirt case bottom.
For realizing reusing of magnetic force removal device, the metallic dust of magnetic force removal device absorption should be convenient to remove, therefore, preferred implementation and the mounting means of magnetic dust removing device are: magnetic dust removing device comprises collecting plate 3 and magnetic force piece 4, and the material of collecting plate 3 is soft magnetic materials; Collecting plate 3 detachables are fixed on the panel of filter dirt case; Magnetic force piece 4 is fixed on collecting plate 3, to magnetize collecting plate 3.Particularly, on the 3rd panel 27 of filter dirt case, offer third through-hole 271; The outer rim pivot joint of the upper side edge of collecting plate 3 and third through-hole 271, the lower side of collecting plate 3 is connected to illustrate with the outer rim bolt of third through-hole 271, as shown in Figure 2, in addition, the dotted line in Fig. 2 is for representing the state of collecting plate 3 when opening.
Collecting plate is selected soft magnetic materials, and its magnetic is short-term, and in needs adsorbing metal dust, collecting plate is processed in electromagnet magnetization, and the collecting plate after magnetization can be realized the effect of adsorbing metal dust; When needs clean filter dirt case, stop magnetization and process collecting plate, the metallic dust of collecting plate absorption can fall, so that clean.
Being switched on or switched off of magnetic force piece magnetic can be used following manner to realize: take magnetic force piece as electromagnet is example, lever 9 is installed on magnetic force piece 4, to control conducting and the disconnection of magnetic force piece 4 magnetic force.Be understandable that, the magnetic force state of magnetic force piece is divided into conducting and disconnects two kinds of situations, be that its work gear is " on " and " off ", wherein, " on " represents magnetic force connection, and collecting plate is in the state of being magnetized, " off " represents that magnetic force disconnects, collecting plate magnetic force disappears, as long as lever can be controlled the connecting and disconnecting of electric current, can realize and control the conducting of magnetic force piece magnetic force and the object of disconnection.If the magnet that the magnetic force piece of take is permanent-magnet material is example, operating grip can controlling magnet rotates to realize conducting and the disconnection of magnetic force.
Further, collecting plate 3 upper lateral of magnetic dust removing device are fixedly installed dust board 2, and dust board 2 is vertical with collecting plate 3.Dust board can stop the metallic dust being adsorbed on collecting plate, increases the height that metallic dust is piled up, thereby improves the water environment capacity of collecting plate.
The air filtering system that the embodiment of the present invention one provides, adopts to be provided with magnetic dust removing device with adsorbing metal dust, the effective dust in absorbed air, and especially airborne metallic dust, has guaranteed the filter effect of air; Fie screen is no longer set, therefore can not affect the draught capacity of air cleaner, can cause the interior negative pressure of car excessive; Fixing between filter dirt case and side wall can select bolt to be connected, so that maintaining, and increase and install and the convenience of replacing.
Embodiment bis-
The schematic diagram of the air filtering system that Fig. 3 A provides for the embodiment of the present invention two, Fig. 3 B is that schematic diagram is looked on a left side of Fig. 3 A.The embodiment of the present invention two is with the difference of embodiment mono-, air filtering system also comprises cyclone dust collectors, be specially: in filter dirt case, be also provided with cyclone dust collectors, cyclone dust collectors be located on air inlet, cyclone dust collectors and magnetic dust removing device are oppositely arranged, for carrying out dedusting to entering the air of filter dirt case, and the air after filtering is guided to magnetic dust removing device.
Cyclone dust collectors comprise cyclone cylinder 5, blow-off pipe 6 and disposal box 7, and cyclone cylinder 5 is fixedly mounted on disposal box 7 inside, and one end of blow-off pipe 6 is communicated with the bottom of disposal box 7, and the other end stretches out disposal box 7.In the present embodiment, the other end of blow-off pipe 6 extends to the bottom of filter dirt case.
The dust-cleaning principle of cyclone dust collectors is: air enters after cyclone cylinder, and under the effect of centrifugal force, bulky grain metallic dust is thrown out of cyclone cylinder, and enters disposal box, and the bulky grain metallic dust that is deposited on disposal box bottom is discharged disposal box via blow-off pipe.
In the present embodiment, what cyclone dust collectors were selected is the cyclone dust collectors with a plurality of cyclone cylinders, and the parallel distribution of each cyclone cylinder, and this is the size of considering air filtering system air inlet.
The benefit that cyclone dust collectors and magnetic dust removing device are oppositely arranged is, the air flowing out from cyclone dust outlet device has certain speed and direction, and direction is generally along the length direction of the cyclone cylinder of cyclone dust collectors.Cyclone dust collectors and magnetic dust removing device are oppositely arranged, being about to magnetic dust removing device is arranged on the length direction of cyclone cylinder, under the effect of inertia force, from cyclone dust collectors, air out can hit magnetic dust removing device, can further improve the adsorption effect of magnetic dust removing device like this, and then improve filter effect.
Further, air filtering system also comprises kuppe 8; Kuppe 8 is located at air outlet outside, to guide air to flow out filter dirt case.With the present embodiment, kuppe 8 is positioned at the top of filter dirt case, and this is due to the bottom of dust deposit at filter dirt case, certainly, the side that air outlet is opened in to filter dirt case also can, now, kuppe 8 is also positioned at the side of filter dirt case.
When train is in running order, body apparatus can air draught, therefore can form certain negative pressure in car, kuppe is set, and can sorption air along the trend of kuppe, flows, and effectively the wind direction of the air of filter dirt case is flowed out in guiding.It should be noted that, in actual applications, kuppe also can connect ventilation duct, to carry cleaned air to ventilation duct.
The principle of filtering of the air filtering system that the use embodiment of the present invention two provides is as follows: first, magnetic force piece is set to duty, i.e. logical magnetic state; Secondly, during the work of car body internal part, air draught causes car interior in certain negative pressure state, and extraneous air is inhaled into air filtering system; Then, the air being inhaled into is through coarse strainer, to complete coarse filtration; Again, the air of process coarse filtration enters cyclone dust collectors, and oarse-grained powder is thrown out of cyclone cylinder, and filters dirt case via blow-off pipe; Finally, through cyclone dust collectors filtered air and collecting plate, bump, granule metallic dust is attracted on collecting plate, and nonmetal small particle powder is after clashing into, and speed reduces, and along collecting plate landing, is gathered in filter dirt case bottom.
Collecting plate detachable is fixed in the outer rim of third through-hole, take following implementation as example detailed description scale removal process: with collecting plate, is arranged on filter dirt case outside, and an outer rim pivot joint of a side of collecting plate and third through-hole, another outer rim bolt of another side and third through-hole is connected to example.While needing the dust of clean filter dirt case inside, open collecting plate and be connected with the bolt between third through-hole edge, collection container is set below collecting plate, such as dust collection; Then, by magnetic force piece, in disconnected magnetic state, the most of metallic dust adsorbing on collecting plate can fall, and remaining metallic dust knocks gently collecting plate or adopts wire brush can remove totally.
The kuppe that the embodiment of the present invention two has, is equally applicable to the technical scheme of the embodiment of the present invention one.
The air filtering system that the embodiment of the present invention two provides, has cyclone dust collectors, can effectively remove the big dust particle adulterating in air, to improve air filtration effect.
The embodiment of the present invention also provides a kind of rail grinding train, and comprising the air filtering system described in any embodiment of the present invention, air filtering system is arranged on the inner side, air port on train body side wall.
The rail grinding train that the embodiment of the present invention provides, the air filtering system of installing on it, has magnetic force removal device, the effective metallic dust in absorbed air, thus can, not affecting under the future of draught capacity, greatly improve filter effect.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. an air filtering system, is characterized in that:
Comprise coarse strainer, magnetic dust removing device and filter dirt case;
Described filter dirt case has by panel and encloses the cavity forming, on described panel, offers respectively for being fixedly installed on the air inlet of the inner side, air port on train body side wall, and for the air outlet of air after output filtering in car;
Described coarse strainer hides and is fixed on described air inlet, to carry out coarse filtration to entering the air of described cavity;
Described magnetic dust removing device is connected with described filter dirt case, the metallic dust adulterating for adsorbing described inside cavity air;
Wherein, in described filter dirt case, be also provided with cyclone dust collectors, described cyclone dust collectors button is established and is fixed on described air inlet, described cyclone dust collectors and described magnetic dust removing device are oppositely arranged, for carrying out dedusting to entering the air of described filter dirt case, and the air after filtering is guided to described magnetic dust removing device.
2. air filtering system according to claim 1, is characterized in that:
Described magnetic dust removing device comprises collecting plate and magnetic force piece, the collecting plate that described collecting plate is soft magnetic materials;
Described collecting plate detachable is fixed on the panel of described filter dirt case;
Described magnetic force piece is fixed on described collecting plate, to magnetize described collecting plate.
3. air filtering system according to claim 1, is characterized in that:
The cavity of described filter dirt case is hexahedron;
On described hexahedral the first panel, offer the first through hole as described air inlet;
On described hexahedral the second panel, offer as described air outlet the second through hole, described the second panel and described the first panel are hexahedral adjacently situated surfaces, and described the second panel arranges upward;
Described magnetic dust removing device is fixedly installed on hexahedral the 3rd panel, and described the 3rd panel and described the second panel are hexahedral adjacently situated surfaces, and described the 3rd panel and described the first panel are oppositely arranged.
4. air filtering system according to claim 3, is characterized in that:
Described hexahedral the first panel is along perpendicular setting, described the 3rd panel is obliquely installed, described the second panel is connected between described the first panel and the top edge of the 3rd panel, and the angle of the inner surface of the inner surface of described the 3rd panel and described the second panel in obtuse angle.
5. air filtering system according to claim 2, is characterized in that:
The collecting plate upper lateral of described magnetic dust removing device is fixedly installed dust board, and described dust board is vertical with described collecting plate.
6. air filtering system according to claim 2, is characterized in that:
On described magnetic force piece, lever is installed, to control conducting and the disconnection of described magnetic force piece magnetic force.
7. air filtering system according to claim 1, is characterized in that:
Also comprise kuppe;
Described kuppe is located at described air outlet outside, to guide air to flow out described filter dirt case.
8. a rail grinding train, is characterized in that: comprise the arbitrary described air filtering system of claim 1-7, described air filtering system is arranged on the inner side, air port on train body side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253363.2A CN102350166B (en) | 2011-08-30 | 2011-08-30 | Air filter system and steel rail grinding train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253363.2A CN102350166B (en) | 2011-08-30 | 2011-08-30 | Air filter system and steel rail grinding train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102350166A CN102350166A (en) | 2012-02-15 |
| CN102350166B true CN102350166B (en) | 2014-03-12 |
Family
ID=45573875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110253363.2A Active CN102350166B (en) | 2011-08-30 | 2011-08-30 | Air filter system and steel rail grinding train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102350166B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102772977B (en) * | 2012-08-25 | 2014-07-30 | 罗光雄 | Novel air differential purification device |
| CN104492207A (en) * | 2014-11-13 | 2015-04-08 | 苏州博菡环保科技有限公司 | Air circulating system for indoor air purifier |
| CN107062388A (en) * | 2017-01-18 | 2017-08-18 | 武汉汉唐天下投资管理有限公司 | A kind of gas production for cleaning negative oxygen ion air, storage and release system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318512A (en) * | 2007-06-04 | 2008-12-10 | 南车四方机车车辆股份有限公司 | Aeration air intake method and apparatus for high-speed train |
| CN101376122A (en) * | 2008-10-13 | 2009-03-04 | 宁波科宁达工业有限公司 | Magnetic dust-cleaning equipment |
| CN201380023Y (en) * | 2009-02-24 | 2010-01-13 | 中国北车集团大连机车研究所有限公司 | Combined air filter |
| CN202263504U (en) * | 2011-08-30 | 2012-06-06 | 北京二七轨道交通装备有限责任公司 | Air filter system and steel rail polishing train |
-
2011
- 2011-08-30 CN CN201110253363.2A patent/CN102350166B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318512A (en) * | 2007-06-04 | 2008-12-10 | 南车四方机车车辆股份有限公司 | Aeration air intake method and apparatus for high-speed train |
| CN101376122A (en) * | 2008-10-13 | 2009-03-04 | 宁波科宁达工业有限公司 | Magnetic dust-cleaning equipment |
| CN201380023Y (en) * | 2009-02-24 | 2010-01-13 | 中国北车集团大连机车研究所有限公司 | Combined air filter |
| CN202263504U (en) * | 2011-08-30 | 2012-06-06 | 北京二七轨道交通装备有限责任公司 | Air filter system and steel rail polishing train |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102350166A (en) | 2012-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102966014B (en) | Rail grinding dust-precipitating system and rail grinding wagon | |
| CN102350166B (en) | Air filter system and steel rail grinding train | |
| CN202263504U (en) | Air filter system and steel rail polishing train | |
| CN105013255B (en) | A kind of vehicle mounted road thick fog and haze cleaning equipment | |
| CN104998510B (en) | Removing device and method for inhalable particles and fine particles in flue gas | |
| CN100553737C (en) | A kind of sound wave auxiliary composite bag type dust remover | |
| CN103475157B (en) | Air guiding device and permanent magnet synchronous motor with same | |
| CN208959515U (en) | A kind of polishing class dust pulse dust collector | |
| CN216023749U (en) | Dust collector for blast furnace gas | |
| CN201375864Y (en) | Bag-type dust collector | |
| CN208893864U (en) | A kind of electric automatization dust-extraction unit | |
| CN207025575U (en) | A kind of wet electric cleaner of electrostatic absorption type | |
| CN110038383A (en) | A kind of efficient degreasing filter device | |
| CN202139557U (en) | Road motor sweeper with high-voltage electrostatic dust cleaning apparatus | |
| CN103934105A (en) | Air filter device of composite cooler of haulage motor | |
| CN204546299U (en) | A kind of dust pelletizing system | |
| CN108126453A (en) | A kind of NEW TYPE OF COMPOSITE dedusting takes off mist device | |
| CN207123000U (en) | Air cleaning unit based on cohesion and magnetic suck recombination mechanism | |
| CN207576046U (en) | A kind of NEW TYPE OF COMPOSITE dedusting takes off mist device | |
| CN201752608U (en) | Dust pre-removing device for dust remover | |
| CN204911114U (en) | Inhalable particle and fine particles's desorption device in flue gas | |
| CN101987268A (en) | Air filtering device for electric locomotive | |
| CN205672692U (en) | A kind of dust arrester | |
| CN205042858U (en) | Defeated coal belt baffle box negative pressure dust suppression device | |
| CN205796840U (en) | A kind of cyclone electrostatic dust arrester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1, Yang Gong Zhuang, Chang Xin store, Fengtai District, Beijing Patentee after: CRRC BEIJING LOCOMOTIVE Co.,Ltd. Address before: No. 1, Yang Gong Zhuang, Chang Xin store, Fengtai District, Beijing Patentee before: BEIJING FEB. 7TH RAILWAY TRANSPORTATION EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181220 Address after: 030027 No. 129 Xinghua West Street, Wanbailin District, Taiyuan City, Shanxi Province Patentee after: CRRC TAIYUAN Co.,Ltd. Address before: No. 1, Yang Gong Zhuang, Chang Xin store, Fengtai District, Beijing Patentee before: CRRC BEIJING LOCOMOTIVE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200428 Address after: 030000 No. 129 Xinghua West Street, Wan Berlin District, Shanxi, Taiyuan Patentee after: Taiyuan CRRC times Track Engineering Machinery Co.,Ltd. Address before: Xinghua 030027 West Street in Shanxi city of Taiyuan province Berlin District No. 129 Patentee before: CRRC TAIYUAN Co.,Ltd. |
|
| TR01 | Transfer of patent right |