CN203425666U - Progressive scrap iron filtering device - Google Patents

Abstract

The utility model relates to a progressive scrap iron filtering device. The progressive scrap iron filtering device comprises a mounting rack (1), wherein a filter sieve (2) is mounted at the bottom end of the mounting rack (1), a filter net (3) is mounted above the filter sieve (2) and is located in the mounting rack (1), and exhaust holes (6) are formed in the top of the mounting rack (1) and are distributed in a progressive structure. The progressive scrap iron filtering device disclosed by the utility model is large in volume, strong in universality, simple in structure and high in filtering efficiency, is easy to replace and convenient to clean and is an effective device for filtering scrap iron dust; by utilizing the device, the production cost can be lowered, the efficiency can be increased, the environmental pollution can be reduced, the labor protection efficiency of workers can be increased, and the progressive scrap iron filtering device plays a great positive role in filtering scrap iron sundries.

Description

Layer enters formula iron chipping filter

Technical field

The utility model relates to a kind of layer and enters formula iron chipping filter, belongs to railway machinery design and manufacturing technology field.

Background technology

Along with the development of China railways high speed, heavy duty, track heavy-duty, large-scale maintenance machinery is used widely.By the operation and maintenance to large-scale maintenance machinery, managing, improve its reliability and maintain a good state, is one of main target of large-scale maintenance machinery management.And in the large-scale maintenance machinery course of work, can produce the impurity such as a large amount of iron filings, dust, and if these impurity are arbitrarily abandoned and are unfavorable for environmental protection, also may cause railway permanent ways maintaining personnel's personal injury, even affect rail track rail safety.Therefore, efficiently, iron filings, dust collecting are necessary critical components of railway machinery cheaply, secondly, the iron filings that produce in road maintainance machinery are discharged with gases at high pressure, its collection, filtration, processing all need specific purpose tool, if tool design is unreasonable, poor filtration effect, causes the operating efficiency of machinery integral to reduce, increase mechanical movement and maintenance cost and increase time cost, operating personnel's physical and mental health is all had to adverse effect.

Current domestic railway machinery iron filings dust-filtering adopts cloth bag collection mode mostly, and this mode volume is little, replacing is difficult, cleaning is inconvenient.Therefore design and develop the iron filings storehouse that a kind of volume is large, efficiency is high, and the iron chipping filter important part that is it, have simple in structure, change the features such as convenient.

Utility model content

The utility model is improved for above-mentioned defect, provide a kind of layer to enter formula iron chipping filter, it comprises installing rack, sieves is equipped with in the bottom of this installing rack, screen pack is equipped with in this sieves top, this screen pack is positioned at described installing rack, and this installing rack top comprises exhaust outlet, and this exhaust outlet is layer and enters formula structural configuration.

Preferably, described layer enter formula structure refer to every layer between not in the structure of same horizontal plane.

In above-mentioned arbitrary scheme, more preferably, it is all the structure of going forward one by one that described layer enters between every one deck of formula structure.

In above-mentioned arbitrary scheme preferably, described in go forward one by one end face that structure refers to every one deck than the structure of the end face indentation of its below one deck.

In above-mentioned arbitrary scheme, more preferably, described exhaust outlet is that transverse layers is entered formula structure.

In above-mentioned arbitrary scheme, more preferably, described exhaust outlet is that longitudinal layer enters formula structure.

In above-mentioned arbitrary scheme, more preferably, the horizontal and vertical layer that is of described exhaust outlet enters formula structure.

In above-mentioned arbitrary scheme, preferably, the cross section of described exhaust outlet is notch cuttype structure.

In above-mentioned arbitrary scheme, preferably, described installing rack comprises antetheca, rear wall, left side wall and right side wall, and left and right sidewall is all connected with rear wall with antetheca, and left and right sidewall lays respectively at left side and the right side of antetheca.

In above-mentioned arbitrary scheme, more preferably, the material of the antetheca of described installing rack, rear wall, left side wall and right side wall is steel or aluminium alloy.

In above-mentioned arbitrary scheme, more preferably, the left side wall of described installing rack welds with antetheca and rear wall respectively.

In above-mentioned arbitrary scheme, more preferably, the right side wall of described installing rack welds with antetheca and rear wall respectively.

In above-mentioned arbitrary scheme, preferably, described left side wall, right side wall and antetheca, rear wall are welded to form the installing rack of stereochemical structure.

In above-mentioned arbitrary scheme, more preferably, the antetheca of described installing rack and rear wall are octagon sheet material.

In above-mentioned arbitrary scheme, more preferably, the antetheca of described installing rack is identical with the shape of rear wall.

In above-mentioned arbitrary scheme, more preferably, the antetheca of described installing rack and the size of rear wall equate.

In above-mentioned arbitrary scheme, more preferably, the antetheca of described installing rack and rear wall include base along, two side edges and top margin edge, and this top margin is along consisting of five straight lines, and wherein three non-conterminous straight lines are parallel to each other, and this top margin is along being axially symmetric structure.

In above-mentioned arbitrary scheme, more preferably, two sides of the antetheca of described installing rack and rear wall are along all vertical with the edge, base of described antetheca and rear wall.

In above-mentioned arbitrary scheme, more preferably, the top margin of the antetheca of described installing rack is symmetrical along the center line about edge, described base, and two sides of described antetheca are along equal in length.

In above-mentioned arbitrary scheme, more preferably, the top margin of the rear wall of described installing rack is symmetrical along the center line about edge, described base, and two sides of described rear wall are along equal in length.

In above-mentioned arbitrary scheme preferably, the top margin of described installing rack antetheca is equipped with two hasps along outside, two hasps are symmetrical about the center line on edge, described installing rack antetheca base, and two hasps lay respectively at the 15-20mm place of the left and right sides, center line top on edge, described installing rack antetheca base.

In above-mentioned arbitrary scheme, more preferably, the top margin of described installing rack rear wall is equipped with hasp along outside, and this hasp is for fixing described exhaust outlet.

In above-mentioned arbitrary scheme preferably, described hasp comprises hook tongue, clasp, handle, the base being arranged on exhaust outlet, wherein hook tongue, handle are hinged on base, clasp is a U-shaped structure, it links together by axle and handle, pull-up handle, and clasp departs from hook tongue minimum point, clasp is broken to off-hook tongue, hasp is opened again; Clasp is put in hook tongue heart portion, puts down handle tension, hasp locking.

In above-mentioned arbitrary scheme, preferably, the hook tongue of described hasp is connected and is contained on described exhaust outlet by welding or bolt.

In above-mentioned arbitrary scheme more preferably, upper and lower Connection Block is equipped with at the two ends, left and right in described installing rack antetheca outside, lower connecting base is welded on the parts that this filter is located, upper connecting base is welded on installing rack antetheca, upper and lower Connection Block is bolted together, guarantee that like this this filter apparatus configuration is stable, and smear anti-oxidation fluid sealant on left side wall, right side wall and antetheca, edge, rear wall base.Upper connecting base both sides, along upper porose, are used for whole filter lifting.

In above-mentioned arbitrary scheme, more preferably, upper and lower mount pad is equipped with at the two ends, left and right in described installing rack rear wall outside.

In above-mentioned arbitrary scheme, more preferably, this filter can not use lower connecting base, adopts left side wall, right side wall and antetheca, rear wall base along direct welding manner, and upper connecting base is only for lifting use.

In above-mentioned arbitrary scheme, more preferably, the left side wall of described installing rack and right side wall main structure are rectangle section bar or the U-shaped sheet material of bending.

In above-mentioned arbitrary scheme, preferably, the left side wall of described installing rack is identical with the shape of right side wall.

In above-mentioned arbitrary scheme, preferably, the left side wall of described installing rack and the size of right side wall equate.

In above-mentioned arbitrary scheme, preferably, the left side wall of described installing rack and right side wall include edge, base, side edge and top margin edge.

In above-mentioned arbitrary scheme, more preferably, the antetheca of described installing rack is identical along length with the side of described left side wall and right side wall with the side of rear wall edge.

In above-mentioned arbitrary scheme more preferably, the antetheca of described installing rack and the side of rear wall along respectively with the side of described left side wall and right side wall along welding.

In above-mentioned arbitrary scheme, more preferably, the top margin of the left side wall of described installing rack is along being equipped with hinge, and the other end of this hinge is connected with described exhaust outlet.

In above-mentioned arbitrary scheme, more preferably, the top margin of the right side wall of described installing rack is along being equipped with hinge, and the other end of this hinge is connected with described exhaust outlet.

In above-mentioned arbitrary scheme, preferably, the left side wall of described installing rack and the top margin of right side wall, along all at least two hinges being housed, to accurately and effectively described installing rack is connected with described exhaust outlet, and can effectively open or close described exhaust outlet.

In above-mentioned arbitrary scheme, more preferably, described sieves is equipped with in the bottom, inner side of described installing rack.

In above-mentioned arbitrary scheme, preferably, the framework of described sieves consists of angle steel or aluminum corner brace.

In above-mentioned arbitrary scheme, preferably, described sieves is formed by connecting by two boards material at least, and sheet material material is steel or aluminium alloy.

In above-mentioned arbitrary scheme, preferably, described sieves is formed by connecting by the sheet material of framework and polylith rectangle.

In above-mentioned arbitrary scheme, more preferably, described sieves is formed by connecting by 35 rectangular slabs, and described 35 rectangular slabs comprise rectangular slab I, rectangular slab II, rectangular slab III three types.

In above-mentioned arbitrary scheme, more preferably, described rectangular slab I, rectangular slab II, rectangular slab III height are identical, and thickness is identical, and length is different.

In above-mentioned arbitrary scheme, more preferably, the height of described rectangular slab I, rectangular slab II, rectangular slab III is 30mm, and varied in thickness scope is 2-3mm, and this size meets the instructions for use of sieves, can keep off the iron filings that major part upwards flies.

In above-mentioned arbitrary scheme, more preferably, the thickness of the rectangular slab of described sieves is 2mm.

In above-mentioned arbitrary scheme, more preferably, the thickness of the rectangular slab of described sieves is 3mm.

In above-mentioned arbitrary scheme more preferably, described sieves is welded by described rectangular slab I, rectangular slab II, rectangular slab III, during welding, reserved spacing between two parallel rectangular slabs, orthogonal two rectangular slabs weld together, form so a plurality of rectangles gap, the gases at high pressure of the iron filings that are easy to carry are discharged by gap.

In above-mentioned arbitrary scheme, more preferably, between the rectangular slab that described sieves is parallel to each other, reserve the spacing of 150-200mm.

In above-mentioned arbitrary scheme, preferably, described sieves top is provided with screen pack.

In above-mentioned arbitrary scheme, more preferably, gripper shoe is equipped with in described screen pack below.

In above-mentioned arbitrary scheme, more preferably, two gripper shoes, the arranged direction of this gripper shoe and the parallel sidewalls of described installing rack are equipped with in middle part, described screen pack below.

In above-mentioned arbitrary scheme, preferably, described screen pack is comprised of at least one block plate IV and filter screen.

In above-mentioned arbitrary scheme, preferably, described screen pack is comprised of two block plate IV and filter screen.

In above-mentioned arbitrary scheme, more preferably, described screen pack is comprised of top steel plate IV, below steel plate IV and filter screen.

In above-mentioned arbitrary scheme, preferably, between the top steel plate IV of described screen pack and below steel plate IV, described filter screen is housed, together with top steel plate IV is bolted with below steel plate IV; Can be by the gases at high pressure by described sieves again by the steel plate IV of described screen pack, and then through the filter screen of described screen pack, finally reach the object of filtration.

In above-mentioned arbitrary scheme, preferably, top steel plate IV and the below steel plate IV of described screen pack are steel plate with holes.

In above-mentioned arbitrary scheme, more preferably, top steel plate IV and the below steel plate IV of described screen pack are the steel plate with square hole.

In above-mentioned arbitrary scheme, preferably, top steel plate IV and the below steel plate IV shape of described screen pack are all identical with size.

In above-mentioned arbitrary scheme, more preferably, the length of side of the top steel plate IV of described screen pack and the square hole of below steel plate IV is 35mm.

In above-mentioned arbitrary scheme, preferably, the distance between the adjacent square hole of the top steel plate IV of described screen pack is 10mm.

In above-mentioned arbitrary scheme, preferably, the distance between the adjacent square hole of the below steel plate IV of described screen pack is 10mm.

In above-mentioned arbitrary scheme, preferably, the top steel plate IV of described screen pack and the thickness of below steel plate IV are 3mm.

In above-mentioned arbitrary scheme, more preferably, the filter screen material of described screen pack is polyester, and its density is little, and quality is light, has good resistance to acids and bases, and good plasticity and toughness at high temperature still keep good mechanical property, and do not adsorb iron filings.

In above-mentioned arbitrary scheme, more preferably, the filter screen thickness of described screen pack is 2-4mm.

In above-mentioned arbitrary scheme, preferably, the steel plate IV of described screen pack is connected in described installing rack.

In above-mentioned arbitrary scheme more preferably, the steel plate IV of described screen pack comprises root and end, the root of described top steel plate IV by gemel connection on described installing rack, a blade that is hinge is welded on installing rack together with hinge axis, another blade of hinge is welded on the root of the top steel plate IV of screen pack, the blade of described hinge can be pulled down vertically, thereby makes the screen pack can dismounting from installing rack.

In above-mentioned arbitrary scheme more preferably, the root of the top steel plate IV of described screen pack by two gemel connections on installing rack.

In above-mentioned arbitrary scheme, more preferably, the end of the below steel plate IV of described screen pack is placed in the gripper shoe of described sieves top.

In above-mentioned arbitrary scheme more preferably, the steel plate IV end, top of described screen pack is fixed with screen pack steady pin respectively and between two gripper shoes of described screen pack below, while changing filter screen, open described screen pack steady pin and described filter screen can be taken off and changes new filter screen again.

In above-mentioned arbitrary scheme, more preferably, described exhaust outlet is symmetrical about the center line on the edge, base of the antetheca of described installing rack.

In above-mentioned arbitrary scheme, more preferably, described exhaust outlet is symmetrical about the center line on the edge, base of the sidewall of described installing rack.

In above-mentioned arbitrary scheme, more preferably, described exhaust outlet comprises exhaust outlet I and exhaust outlet II.

In above-mentioned arbitrary scheme, more preferably, described exhaust outlet I and exhaust outlet II are arranged on described installing rack top symmetrically.

In above-mentioned arbitrary scheme, more preferably, the structure of the structure of described exhaust outlet I and exhaust outlet II is symmetrical about the center line on the edge, base of described installing rack antetheca.

In above-mentioned arbitrary scheme, more preferably, described exhaust outlet I comprises antetheca, rear wall, is welded to connect successively plate and at least two upper cover plates between this antetheca and rear wall, between this upper cover plate, forms exhaust passage.

In above-mentioned arbitrary scheme, more preferably, the top margin of the left side wall of described exhaust outlet I and described installing rack is along passing through gemel connection.

In above-mentioned arbitrary scheme, more preferably, the top margin of the right side wall of described exhaust outlet II and described installing rack is along passing through gemel connection.

In above-mentioned arbitrary scheme, more preferably, the cross section of described exhaust outlet I and exhaust outlet II is notch cuttype structure.

In above-mentioned arbitrary scheme, more preferably, the antetheca of described exhaust outlet I and exhaust outlet II is installed handrail symmetrically, uses when lifting exhaust outlet.

In above-mentioned arbitrary scheme, more preferably, the antetheca of described exhaust outlet I and exhaust outlet II is installed strut symmetrically.

In above-mentioned arbitrary scheme, more preferably, described strut comprises stiff end and movable end.

In above-mentioned arbitrary scheme more preferably, the stiff end of described strut is hinged on the bottom, front side of described exhaust outlet, when exhaust ports during in closed condition movable end be fixed on the draw-in groove of described installing rack antetheca, and use bayonet lock that strut is completely fixed, prevent that strut from producing Large Amplitude Motion and causing self damage or other accident; When described strut is used for supporting exhaust outlet, movable end is installed in the sleeve of described installing rack antetheca upper edge, and uses described bayonet lock that strut is completely fixed, and prevents that support bar from upwards departing from sleeve along causing the accident in the process of hinge rollover.

In above-mentioned arbitrary scheme, more preferably, described filter comprises at least two exhaust outlets.

In above-mentioned arbitrary scheme, more preferably, described exhaust outlet I comprises four groups of exhaust passages, and described four groups of exhaust passages are that transverse layers is entered the structure that formula is arranged.

In above-mentioned arbitrary scheme, preferably, described every group of exhaust passage comprises upper cover plate, forms the exhaust passage of described exhaust outlet between every two upper cover plates.

In above-mentioned arbitrary scheme, preferably, the base of the plane at the upper cover plate place of described exhaust passage and described installing rack antetheca and rear wall acutangulates along the plane at place.

In above-mentioned arbitrary scheme, more preferably, the upper cover plate of described every group of exhaust passage is parallel.

In above-mentioned arbitrary scheme more preferably, the upper cover plate outward flange of described every group of exhaust passage extends into one deck exhaust passage one segment distance above it, and by the outside bending one acute angle angle in top, prevent that sleet from entering into exhaust apparatus inside, guaranteed air-out area simultaneously.

In above-mentioned arbitrary scheme, more preferably, the distance that the upper cover plate outward flange of described every group of exhaust passage extends into one deck exhaust passage above it is 0.12 ~ 0.13 times of upper cover plate length.

In above-mentioned arbitrary scheme, more preferably, dividing plate is equipped with in described every group of exhaust outlet inside, and the direction of this dividing plate is parallel with the antetheca direction of described installing rack.

In above-mentioned arbitrary scheme more preferably, described dividing plate is positioned at the centerline of described exhaust outlet, described dividing plate is played a supporting role to the upper cover plate of described exhaust passage, makes the Stability Analysis of Structures of exhaust outlet, not yielding, thus the service life of extension fixture integral body.

The working method that layer of the present utility model enters formula iron chipping filter is: layer is entered to formula iron chipping filter and lie in a horizontal plane on the ceiling of iron filings storehouse, gases at high pressure fly into from two pipelines of iron filings storehouse side wall with iron filings, pipeline is lower than sieves and be parallel to sieves, part iron filings fall under gravity in storehouse, fraction iron filings fly to above iron filings storehouse under the effect of high pressure draught, and sieves keeps off the most of iron filings that blow thereon to fall to falling down, then gases at high pressure continue to blow to screen pack, screen pack keeps off residue iron filings, gases at high pressure see through filter screen outside exhaust outlet is discharged storehouse, the filter screen that screen pack is used is thinner, main component is polyester, its density is little, quality is light, there is good resistance to acids and bases, good plasticity and toughness, at high temperature still keep good mechanical property, adsorptivity is poor, do not adsorb iron filings, filter screen can be destroyed under the frequent impact of iron filings, now, open exhaust outlet, the movable end of strut is stuck on installing rack, take out filter structure, the filter screen more renewing, and then the filter screen of more finishing changing is put into, strut is put down in rotation, exhaust outlet is closed up and can again carry out filtration operation.

More multioperation is all known for those of ordinary skills, repeats no more.

The technical scheme that layer provided by the utility model enters formula iron chipping filter comprises any combination of each part mentioned above, and the simple change of each part mentioned above assembly or combination are still protection domain of the present utility model.

Layer of the present utility model enters large, the easy replacing of formula iron chipping filter volume, clears up convenient, highly versatile; and simple in structure; filter efficiency is high; it is the efficient apparatus of iron filings dust-filtering; adopt this device can reduce production costs, raise the efficiency, reduce environmental pollution, improve the labour protection efficiency to staff, the filtration of the foreign material of iron filings is had to great positive role.

Accompanying drawing explanation

Fig. 1 is for entering the stereochemical structure open mode axonometric drawing of a preferred embodiment of formula iron chipping filter according to the layer of this practicality.

Fig. 2 is stereochemical structure closed condition axonometric drawing embodiment illustrated in fig. 1.

Fig. 3 is the embodiment illustrated in fig. 1 axonometric drawing of looking up.

Fig. 4 is front view embodiment illustrated in fig. 1.

Fig. 5 is top view embodiment illustrated in fig. 1.

Fig. 6 is left view embodiment illustrated in fig. 1.

Fig. 7 is upward view embodiment illustrated in fig. 1.

Fig. 8 is rearview embodiment illustrated in fig. 1.

Fig. 9 is cutaway view embodiment illustrated in fig. 1.

Figure 10 is the partial enlarged drawing of I embodiment illustrated in fig. 9 part.

Figure 11 is the stereochemical structure open mode axonometric drawing of embodiment bis-.

Figure 12 is left view embodiment illustrated in fig. 11.

Fig. 1-Figure 10 acceptance of the bid score not Biao Shi:

1 installing rack 2 sieves

3 screen pack 4 hinge I

5 screen pack steady pin 6 exhaust outlets

7 hinge II 8 hasps

9 struts.

The specific embodiment

In order to understand better the utility model, below in conjunction with accompanying drawing, describe respectively the preferred embodiment that enters formula iron chipping filter according to layer of the present utility model in detail.

Embodiment mono-: Fig. 1-Figure 11 for according to layer of the present utility model, enter a preferred embodiment of formula iron chipping filter stereochemical structure open mode axonometric drawing, closed condition axonometric drawing, look up axonometric drawing, and the planar structure schematic diagram of the antetheca of the front view of planar structure, top view, left view, upward view, rearview, cutaway view, partial enlarged drawing and installing rack and rear wall.In the present embodiment, layer enters formula iron chipping filter and comprises installing rack 1, and sieves 2 is equipped with in the bottom of this installing rack 1, screen pack 3 is equipped with in these sieves 2 tops, this screen pack 3 is positioned at described installing rack 1, and this installing rack 1 top comprises exhaust outlet 6, and exhaust outlet 6 is layer and enters formula structural configuration.

In the present embodiment, described layer enter formula structure refer to every layer between not in the structure of same horizontal plane.

In the present embodiment, it is all the structure of going forward one by one that described layer enters between every one deck of formula structure.

In the present embodiment, described in go forward one by one end face that structure refers to every one deck than the structure of the end face indentation of its below one deck.

In the present embodiment, described exhaust outlet 6 enters formula structure for transverse layers.

In the present embodiment, the cross section of described exhaust outlet 6 is notch cuttype structure.

In the present embodiment, described installing rack 1 comprises antetheca, rear wall, left side wall and right side wall, and left and right sidewall is all connected with rear wall with antetheca, and left and right sidewall lays respectively at left side and the right side of antetheca.

In the present embodiment, the material of the antetheca of described installing rack 1, rear wall, left side wall and right side wall is steel.

In the present embodiment, the left side wall of described installing rack 1 welds with antetheca and rear wall respectively.

In the present embodiment, the right side wall of described installing rack 1 welds with antetheca and rear wall respectively.

In the present embodiment, described left side wall, right side wall and antetheca, rear wall are welded to form the installing rack 1 of stereochemical structure.

In the present embodiment, the antetheca of described installing rack 1 and rear wall are octagon sheet material.

In the present embodiment, the antetheca of described installing rack 1 is identical with the shape of rear wall.

In the present embodiment, the antetheca of described installing rack 1 and the size of rear wall equate.

In the present embodiment, the antetheca of described installing rack 1 and rear wall include base along, two side edges and top margin edge, and this top margin is along consisting of five straight lines, and wherein three non-conterminous straight lines are parallel to each other, and this top margin is along being axially symmetric structure.

In the present embodiment, two sides of the antetheca of described installing rack 1 and rear wall are along all vertical with the edge, base of described antetheca and rear wall.

In the present embodiment, the top margin of the antetheca of described installing rack 1 is symmetrical along the center line about edge, described base, and two sides of described antetheca are along equal in length.

In the present embodiment, the top margin of the rear wall of described installing rack 1 is symmetrical along the center line about edge, described base, and two sides of described rear wall are along equal in length.

In the present embodiment, the top margin of described installing rack 1 antetheca is equipped with respectively a hasp 8 along outside, two hasps 8 are symmetrical about the center line on described installing rack 1 edge, antetheca base, and two hasps 8 lay respectively at the 15mm place of the left and right sides, center line top on described installing rack 1 edge, antetheca base.

In the present embodiment, two top margins of described installing rack 1 antetheca are equipped with hasp 8 along outside, and this hasp 8 is for fixing described exhaust outlet 6.

In the present embodiment, two top margins of described installing rack 1 rear wall are equipped with hasp 8 along outside.

In the present embodiment, the hook tongue of described hasp 8 is connected and is contained on described exhaust outlet 6 by welding or bolt.

In the present embodiment, upper and lower Connection Block is equipped with at the two ends, left and right in described installing rack 1 antetheca outside, lower connecting base is welded on the parts that this filter is located, upper connecting base is welded on installing rack 1 antetheca, upper and lower Connection Block is bolted together, guarantee that like this this filter apparatus configuration is stable, and smear anti-oxidation fluid sealant on left side wall, right side wall and antetheca, edge, rear wall base.Upper connecting base both sides, along upper porose, are used for whole filter lifting.

In the present embodiment, upper and lower mount pad is equipped with at the two ends, left and right in described installing rack 1 rear wall outside.

In the present embodiment, the left side wall of described installing rack 1 and right side wall main structure are rectangle section bar or the U-shaped sheet material of bending.

In the present embodiment, the left side wall of described installing rack 1 is identical with the shape of right side wall.

In the present embodiment, the left side wall of described installing rack 1 and the size of right side wall equate.

In the present embodiment, the left side wall of described installing rack 1 and right side wall include edge, base, side edge and top margin edge.

In the present embodiment, the antetheca of described installing rack 1 is identical along length with the side of described left side wall and right side wall with the side of rear wall edge.

In the present embodiment, the antetheca of described installing rack 1 and the side of rear wall along respectively with the side of described left side wall and right side wall along welding.

In the present embodiment, the top margin of the left side wall of described installing rack 1 is along being equipped with hinge II 7, and the other end of this hinge II 7 is connected with described exhaust outlet 6.

In the present embodiment, the top margin of the right side wall of described installing rack 1 is along being equipped with hinge II 7, and the other end of this hinge II 7 is connected with described exhaust outlet 6.

In the present embodiment, the left side wall of described installing rack 1 and the top margin of right side wall, along all at least two hinge II 7 being housed, to accurately and effectively described installing rack 1 is connected with described exhaust outlet 6, and can effectively open or close described exhaust outlet 6.

In the present embodiment, described sieves 2 is equipped with in the bottom, inner side of described installing rack 1.

In the present embodiment, described sieves 2 is formed by connecting by the sheet material of framework and polylith rectangle.

In the present embodiment, the framework of described sieves 2 consists of angle steel.

In the present embodiment, described sieves 2 is formed by connecting by 35 rectangular slabs, and described 35 rectangular slabs comprise rectangular slab I, rectangular slab II, rectangular slab III three types.

In the present embodiment, the material of described sieves rectangular slab is steel.

In the present embodiment, described rectangular slab I, rectangular slab II, rectangular slab III height are identical, and thickness is identical, and length is different.

In the present embodiment, the height of described rectangular slab I, rectangular slab II, rectangular slab III is 30mm, and thickness is 2mm, and this size meets the instructions for use of sieves 2, can keep off the iron filings that major part upwards flies.

In the present embodiment, described sieves 2 is welded by described rectangular slab I, rectangular slab II, rectangular slab III, during welding, reserved spacing between two parallel rectangular slabs, orthogonal two rectangular slabs weld together, form so a plurality of rectangles gap, the gases at high pressure of the iron filings that are easy to carry are discharged by gap.

In the present embodiment, the spacing of reserved 150mm between the rectangular slab that described sieves 2 is parallel to each other.

In the present embodiment, described sieves 2 tops are provided with screen pack 3.

In the present embodiment, gripper shoe is equipped with in described screen pack 3 belows.

In the present embodiment, two gripper shoes, the parallel sidewalls of the arranged direction of this gripper shoe and described installing rack 1 are equipped with in described screen pack 3 middle parts, below.

In the present embodiment, described screen pack 3 is comprised of two block plate IV and filter screen.

In the present embodiment, described screen pack 3 is comprised of top steel plate IV, below steel plate IV and filter screen.

In the present embodiment, between the top steel plate IV of described screen pack 3 and below steel plate IV, described filter screen is housed, two block plate IV are bolted together; Can be by the gases at high pressure by described sieves 2 again by the steel plate IV of described screen pack 3, and then through the filter screen of described screen pack 3, finally reach the object of filtration.

In the present embodiment, top steel plate IV and the below steel plate IV of described screen pack 3 are steel plate with holes.

In the present embodiment, top steel plate IV and the below steel plate IV shape of described screen pack 3 are all identical with size.

In the present embodiment, the thickness of the steel plate IV of described screen pack 3 is 3mm.

In the present embodiment, the filter screen material of described screen pack 3 is polyester, and its density is little, and quality is light, has good resistance to acids and bases, and good plasticity and toughness at high temperature still keep good mechanical property, and do not adsorb iron filings.

In the present embodiment, the filter screen thickness of described screen pack 3 is 2mm.

In the present embodiment, the steel plate IV of described screen pack 3 is connected in described installing rack 1.

In the present embodiment, the steel plate IV of described screen pack 3 comprises root and end, the root of described top steel plate IV is connected on described installing rack 1 by hinge I 4, a blade that is hinge I 4 is welded on installing rack 1 together with hinge axis, another blade of hinge I 4 is welded on the root of the top steel plate IV of screen pack 3, the blade of described hinge I 4 can be pulled down vertically, thereby makes the screen pack 3 can dismounting from installing rack 1.

In the present embodiment, the root of the top steel plate IV of described screen pack 3 is connected on installing rack 1 by two hinge I 4.

In the present embodiment, the end of the below steel plate IV of described screen pack 3 is placed in the gripper shoe of described sieves 2 tops.

In the present embodiment, the steel plate IV end, top of described screen pack 3 is fixed with screen pack steady pin 5 respectively and between two gripper shoes of described screen pack 3 belows, while changing filter screen, open described screen pack steady pin 5 and described filter screen can be taken off and changes new filter screen again.

In the present embodiment, described exhaust outlet 6 is symmetrical about the center line on the edge, base of the sidewall of described installing rack 1.

In the present embodiment, described exhaust outlet 6 comprises exhaust outlet I and exhaust outlet II.

In the present embodiment, described exhaust outlet I and exhaust outlet II are arranged on described installing rack 1 top symmetrically.

In the present embodiment, the structure of the structure of described exhaust outlet I and exhaust outlet II is symmetrical about the center line on the edge, base of described installing rack 1 antetheca.

In the present embodiment, described exhaust outlet I comprises antetheca, rear wall, is welded to connect successively plate and at least two upper cover plates between this antetheca and rear wall, between this upper cover plate, forms exhaust passage.

In the present embodiment, described exhaust outlet I is connected by hinge II 7 with the top margin edge of the left side wall of described installing rack 1.

In the present embodiment, described exhaust outlet II is connected by hinge II 7 with the top margin edge of the right side wall of described installing rack 1.

In the present embodiment, the cross section of described exhaust outlet I and exhaust outlet II is notch cuttype structure.

In the present embodiment, the antetheca of described exhaust outlet I and exhaust outlet II is installed handrail symmetrically, uses when lifting exhaust outlet 6.

In the present embodiment, the antetheca of described exhaust outlet I and exhaust outlet II is installed strut 9 symmetrically.

In the present embodiment, described strut 9 comprises stiff end and movable end.

In the present embodiment, the stiff end of described strut 9 is hinged on the bottom, front side of described exhaust outlet 6, when exhaust outlet 6 during in closed condition movable end be fixed on the draw-in groove of described installing rack 1 antetheca, and use bayonet lock that strut 9 is completely fixed, prevent that strut 9 from producing Large Amplitude Motion and causing self damage or other accident; Described strut 9 is when supporting exhaust outlet 6, and movable end is installed in the sleeve of described installing rack 1 antetheca upper edge, and uses described bayonet lock that strut 9 is completely fixed, and prevents that strut 9 from upwards departing from sleeve along causing the accident in the process of hinge rollover.

In the present embodiment, described exhaust outlet I comprises four groups of exhaust passages, and described four groups of exhaust passages are that transverse layers is entered the structure that formula is arranged.

In the present embodiment, described every group of exhaust passage comprises upper cover plate, forms the exhaust passage of described exhaust outlet 6 between every two upper cover plates.

In the present embodiment, the base of the plane at the upper cover plate place of described exhaust passage and described installing rack 1 antetheca and rear wall acutangulates along the plane at place.

In the present embodiment, the upper cover plate of described every group of exhaust passage is parallel.

In the present embodiment, the upper cover plate outward flange of described every group of exhaust passage extends into one deck exhaust passage one segment distance above it, and by the outside bending one acute angle angle in top, prevents that sleet from entering into exhaust apparatus inside, guaranteed air-out area simultaneously.

In the present embodiment, the distance that the upper cover plate outward flange of described every group of exhaust passage extends into the air-out passage of one deck exhaust outlet 6 above it is 0.12 times of upper cover plate length.

Embodiment bis-: Figure 12-Figure 13 is stereochemical structure open mode axonometric drawing and the left view that layer described in the utility model enters the second embodiment of formula iron chipping filter, it is with embodiment mono-, difference is, dividing plate is equipped with in described each exhaust outlet inside, and the direction of this dividing plate is parallel with the antetheca direction of described exhaust outlet.

In the present embodiment, more preferably, described dividing plate is positioned at the centerline of described exhaust outlet, and described dividing plate is played a supporting role to the upper cover plate of described exhaust outlet, makes the Stability Analysis of Structures of exhaust outlet, not yielding, thus the service life of extension fixture integral body.

Embodiment tri-: layer enters formula iron chipping filter, and with embodiment bis-, difference is that described exhaust outlet is that longitudinal layer enters formula structure.

Embodiment tetra-: layer enters formula iron chipping filter, and with embodiment bis-, difference is that the horizontal and vertical layer that is of described exhaust outlet enters formula structure.

Embodiment five: layer enters formula iron chipping filter, and with embodiment bis-, difference is that the material of the antetheca of described installing rack, rear wall, left side wall and right side wall is aluminium alloy.

Embodiment six: layer enters formula iron chipping filter, and with embodiment bis-, difference is that two hasps lay respectively at the 20mm place of the left and right sides, center line top on edge, described installing rack antetheca base.

Embodiment seven: layer enters formula iron chipping filter, with embodiment bis-, difference is that described hasp comprises hook tongue, clasp, handle, the base being arranged on exhaust outlet, hook tongue wherein, handle is hinged on base, and clasp is a U-shaped structure, and it links together by axle and handle, pull-up handle, clasp departs from hook tongue minimum point, then clasp is broken to off-hook tongue, and hasp is opened; Clasp is put in hook tongue heart portion, puts down handle tension, hasp locking.

Embodiment eight: layer enters formula iron chipping filter, and with embodiment bis-, difference is that the framework of described sieves consists of aluminum corner brace.

Embodiment nine: layer enters formula iron chipping filter, and with embodiment bis-, difference is that the material of described sieves rectangular slab is aluminium alloy.

Embodiment ten: layer enters formula iron chipping filter, and with embodiment bis-, difference is that the thickness of described rectangular slab I, rectangular slab II, rectangular slab III is 3mm.

Embodiment 11: layer enters formula iron chipping filter, and with embodiment ten, difference is between the rectangular slab that described sieves is parallel to each other, to reserve the spacing of 200mm.

Embodiment 12: layer enters formula iron chipping filter, and with embodiment 11, difference is that top steel plate IV and the below steel plate IV of described screen pack are the steel plate with square hole.

Embodiment 13: layer enters formula iron chipping filter, and with embodiment 12, difference is that the length of side of the square hole of the steel plate IV of described screen pack is 35mm.

Embodiment 14: layer enters formula iron chipping filter, and with embodiment 12, difference is that the distance between the adjacent square hole of the steel plate IV of described screen pack is 10mm.

Embodiment 15: layer enters formula iron chipping filter, and with embodiment 12, difference is that the filter screen thickness of described screen pack is 4mm.

Embodiment 16: layer enters formula iron chipping filter, and with embodiment bis-, difference is, the distance that the upper cover plate outward flange of described every group of exhaust passage extends into the air-out passage of one deck exhaust outlet above it is 0.13 times of upper cover plate length.

Embodiment 17: layer enters formula iron chipping filter, and with embodiment bis-, difference is, described left side wall, right side wall and antetheca, rear wall base are along being directly welded on position to be installed, and upper connecting base is only for lifting use.

The working method that layer described in above-described embodiment enters formula iron chipping filter is: layer is entered to formula iron chipping filter and lie in a horizontal plane on the ceiling of iron filings storehouse, gases at high pressure fly into from two pipelines of iron filings storehouse side wall with iron filings, pipeline is lower than sieves 2 and be parallel to sieves 2, part iron filings fall under gravity in storehouse, fraction iron filings fly to above iron filings storehouse under the effect of high pressure draught, and sieves 2 keeps off the most of iron filings that blow thereon to fall to falling down, then gases at high pressure continue to blow to screen pack 3, screen pack 3 gears fall to remaining iron filings, gases at high pressure see through filter screen and discharge outside storehouse through exhaust outlet 6, the filter screen that screen pack 3 is used is thinner, main component is polyester, its density is little, quality is light, there is good resistance to acids and bases, good plasticity and toughness, at high temperature still keep good mechanical property, adsorptivity is poor, do not adsorb iron filings, filter screen can be destroyed under the frequent impact of iron filings, now, open exhaust outlet 6, the movable end of strut 9 is stuck on installing rack 1, take out filter structure, the filter screen more renewing, and then the filter screen of more finishing changing is put into, strut 9 is put down in rotation, exhaust outlet 6 is closed up and can again carry out filtration operation.

More multioperation is all known for those of ordinary skills, repeats no more.

The technical scheme that the layer that the present embodiment provides enters formula iron chipping filter comprises any combination of each part mentioned above, and the simple change of each part mentioned above assembly or combination are still protection domain of the present utility model.

Layer described in the present embodiment enters large, the easy replacing of formula iron chipping filter volume, clears up convenient, highly versatile; and simple in structure; filter efficiency is high; it is the efficient apparatus of iron filings dust-filtering; adopt this device can reduce production costs, raise the efficiency, reduce environmental pollution, improve the labour protection efficiency to staff, the filtration of the foreign material of iron filings is had to great positive role.

Claims (70)

1. layer enter formula iron chipping filter, it comprises installing rack (1), sieves (2) is equipped with in the bottom of this installing rack (1), screen pack (3) is equipped with in this sieves (2) top, this screen pack (3) is positioned at described installing rack (1), exhaust storehouse is equipped with at this installing rack (1) top, and this exhaust storehouse is provided with exhaust outlet (6), it is characterized in that: this exhaust outlet (6) is layer and enters formula structural configuration.

2. layer as claimed in claim 1 enters formula iron chipping filter, it is characterized in that: described exhaust outlet (6) enters formula structure for transverse layers.

3. layer as claimed in claim 1 enters formula iron chipping filter, it is characterized in that: described exhaust outlet (6) enters formula structure for longitudinal layer.

4. layer as claimed in claim 1 enters formula iron chipping filter, it is characterized in that: the horizontal and vertical layer that is of described exhaust outlet (6) enters formula structure.

5. layer as claimed in claim 1 enters formula iron chipping filter, it is characterized in that: described installing rack (1) comprises antetheca, rear wall, left side wall and right side wall, and left and right sidewall is all connected with rear wall with antetheca, and left and right sidewall lays respectively at left side and the right side of antetheca.

6. layer as claimed in claim 5 enters formula iron chipping filter, it is characterized in that: the left side wall of described installing rack (1) welds with antetheca and rear wall respectively.

7. layer as claimed in claim 5 enters formula iron chipping filter, it is characterized in that: the right side wall of described installing rack (1) welds with antetheca and rear wall respectively.

8. layer as claimed in claim 5 enters formula iron chipping filter, it is characterized in that: described left side wall, right side wall and antetheca, rear wall are welded to form the installing rack (1) of stereochemical structure.

9. the layer as described in any one in claim 5-8 enters formula iron chipping filter, it is characterized in that: antetheca and the rear wall of described installing rack (1) are octagon sheet material.

10. the layer as described in any one in claim 5-8 enters formula iron chipping filter, it is characterized in that: the antetheca of described installing rack (1) is identical with the shape of rear wall.

11. layers as described in any one in claim 5-8 enter formula iron chipping filter, it is characterized in that: the antetheca of described installing rack (1) and the size of rear wall equate.

12. layers as described in any one in claim 5-8 enter formula iron chipping filter, it is characterized in that: the antetheca of described installing rack (1) and rear wall include base along, two side edges and top margin edge.

13. layers as described in any one in claim 12 enter formula iron chipping filter, it is characterized in that: two sides of the antetheca of described installing rack (1) and rear wall are along all vertical with the edge, base of described antetheca and rear wall.

14. layers as claimed in claim 12 enter formula iron chipping filter, it is characterized in that: the top margin of the antetheca of described installing rack (1) is symmetrical along the center line about edge, described base, and two sides of described antetheca are along equal in length.

15. layers as claimed in claim 12 enter formula iron chipping filter, it is characterized in that: the top margin of the rear wall of described installing rack (1) is symmetrical along the center line about edge, described base, and two sides of described rear wall are along equal in length.

16. layers as claimed in claim 14 enter formula iron chipping filter, it is characterized in that: the top margin of described installing rack (1) antetheca is equipped with two hasps (8) along outside.

17. layers as claimed in claim 16 enter formula iron chipping filter, it is characterized in that: two hasps (8) are symmetrical about the center line on edge, described installing rack (1) antetheca base.

18. layers as claimed in claim 16 enter formula iron chipping filter, it is characterized in that: two hasps (8) lay respectively at the 15-20mm place of the left and right sides, center line top on edge, described installing rack (1) antetheca base.

19. layers as claimed in claim 12 enter formula iron chipping filter, it is characterized in that: the top margin of described installing rack (1) rear wall is equipped with hasp (8) along outside.

20. layers as claimed in claim 18 enter formula iron chipping filter, it is characterized in that: upper and lower Connection Block is equipped with at the two ends, left and right in described installing rack (1) antetheca outside.

21. layers as claimed in claim 19 enter formula iron chipping filter, it is characterized in that: upper and lower Connection Block is equipped with at the two ends, left and right in described installing rack (1) rear wall outside.

22. layers as claimed in claim 5 enter formula iron chipping filter, it is characterized in that: the left side wall of described installing rack (1) and right side wall main structure are rectangle section bar or the U-shaped sheet material of bending.

23. layers as claimed in claim 22 enter formula iron chipping filter, it is characterized in that: the left side wall of described installing rack (1) is identical with the shape of right side wall.

24. layers as claimed in claim 23 enter formula iron chipping filter, it is characterized in that: the left side wall of described installing rack (1) and the size of right side wall equate.

25. layers as claimed in claim 24 enter formula iron chipping filter, it is characterized in that: the left side wall of described installing rack (1) and right side wall include edge, base, side edge and top margin edge.

26. layers as claimed in claim 25 enter formula iron chipping filter, it is characterized in that: the antetheca of described installing rack (1) and the side of rear wall are along identical along length with the side of described left side wall and right side wall.

27. layers as claimed in claim 26 enter formula iron chipping filter, it is characterized in that: the antetheca of described installing rack (1) and the side of rear wall along respectively with the side of described left side wall and right side wall along welding.

28. layers as claimed in claim 27 enter formula iron chipping filter, it is characterized in that: the top margin of the left side wall of described installing rack (1) is along being equipped with hinge II (7), and the other end of this hinge II (7) is connected with described exhaust outlet (6).

29. layers as claimed in claim 27 enter formula iron chipping filter, it is characterized in that: the top margin of the right side wall of described installing rack (1) is along being equipped with hinge II (7), and the other end of this hinge II (7) is connected with described exhaust outlet (6).

30. layers as claimed in claim 25 enter formula iron chipping filter, it is characterized in that: the left side wall of described installing rack (1) and the top margin of right side wall are along at least two hinge II (7) are all housed.

31. layers as claimed in claim 30 enter formula iron chipping filter, it is characterized in that: described sieves (2) is equipped with in the bottom, inner side of described installing rack (1).

32. layers as claimed in claim 31 enter formula iron chipping filter, it is characterized in that: described sieves (2) is formed by connecting by two boards material at least, and sheet material material is steel or aluminium alloy.

33. layers as claimed in claim 31 enter formula iron chipping filter, it is characterized in that: described sieves (2) is formed by connecting by the sheet material of framework and polylith rectangle.

34. layers as claimed in claim 31 enter formula iron chipping filter, it is characterized in that: described sieves (2) is formed by connecting by 35 rectangular slabs, and described 35 rectangular slabs comprise rectangular slab I, rectangular slab II, rectangular slab III three types.

35. layers as claimed in claim 34 enter formula iron chipping filter, it is characterized in that: described rectangular slab I, rectangular slab II, rectangular slab III height are identical, and thickness is identical, and length is different.

36. layers as claimed in claim 34 enter formula iron chipping filter, it is characterized in that: the height of described rectangular slab I, rectangular slab II, rectangular slab III is 30mm, and varied in thickness scope is 2-3mm.

37. layers as claimed in claim 34 enter formula iron chipping filter, it is characterized in that: described sieves (2) is welded by described rectangular slab I, rectangular slab II, rectangular slab III.

38. layers as claimed in claim 37 enter formula iron chipping filter, it is characterized in that: described sieves (2) top is provided with screen pack (3).

39. layers as claimed in claim 38 enter formula iron chipping filter, it is characterized in that: gripper shoe is equipped with in described screen pack (3) below.

40. layers as claimed in claim 38 enter formula iron chipping filter, it is characterized in that: two gripper shoes, the arranged direction of this gripper shoe and the parallel sidewalls of described installing rack are equipped with in middle part, described screen pack (3) below.

41. layers as claimed in claim 38 enter formula iron chipping filter, it is characterized in that: described screen pack (3) is comprised of at least one block plate IV and filter screen.

42. layers as claimed in claim 38 enter formula iron chipping filter, it is characterized in that: described screen pack (3) is comprised of top steel plate IV, below steel plate IV and filter screen.

43. layers as claimed in claim 42 enter formula iron chipping filter, it is characterized in that: between the top steel plate IV of described screen pack (3) and below steel plate IV, described filter screen is housed, together with top steel plate IV is bolted with below steel plate IV.

44. layers as claimed in claim 43 enter formula iron chipping filter, it is characterized in that: top steel plate IV and the below steel plate IV of described screen pack (3) are steel plate with holes.

45. layers as claimed in claim 43 enter formula iron chipping filter, it is characterized in that: top steel plate IV and the below steel plate IV of described screen pack (3) are the steel plate with square hole.

46. layers as claimed in claim 45 enter formula iron chipping filter, it is characterized in that: the length of side of the top steel plate IV of described screen pack (3) and the square hole of below steel plate IV is 35mm.

47. as described in claim 45 or 46 layer enter formula iron chipping filter, it is characterized in that: the distance between the adjacent square hole of the top steel plate IV of described screen pack (3) is 10mm.

48. layers as claimed in claim 46 enter formula iron chipping filter, it is characterized in that: the top steel plate IV of described screen pack (3) and the thickness of below steel plate IV are 3mm.

49. layers as claimed in claim 42 enter formula iron chipping filter, it is characterized in that: the filter screen material of described screen pack (3) is polyester.

50. layers as claimed in claim 49 enter formula iron chipping filter, it is characterized in that: the filter screen thickness of described screen pack (3) is 2-4mm.

51. layers as claimed in claim 41 enter formula iron chipping filter, it is characterized in that: the steel plate IV of described screen pack (3) is connected in described installing rack (1).

52. layers as claimed in claim 51 enter formula iron chipping filter, it is characterized in that: the steel plate IV of described screen pack (3) comprises root and end, the root of described top steel plate IV is connected on described installing rack (1) by hinge I (4), a blade that is hinge I (4) is welded on installing rack (1) above together with hinge axis, and another blade of hinge I (4) is welded on the root of the top steel plate IV of screen pack (3).

53. layers as claimed in claim 12 enter formula iron chipping filter, it is characterized in that: described exhaust outlet (6) is symmetrical about the center line on the edge, base of the antetheca of described installing rack (1).

54. layers as claimed in claim 53 enter formula iron chipping filter, it is characterized in that: described exhaust outlet (6) comprises exhaust outlet I and exhaust outlet II.

55. layers as claimed in claim 54 enter formula iron chipping filter, it is characterized in that: described exhaust outlet I and exhaust outlet II are arranged on described installing rack (1) top symmetrically.

56. layers as claimed in claim 55 enter formula iron chipping filter, it is characterized in that: described exhaust outlet I comprises antetheca, rear wall, are welded to connect successively plate and at least two upper cover plates between this antetheca and rear wall, between this upper cover plate, form exhaust passage.

57. layers as claimed in claim 55 enter formula iron chipping filter, it is characterized in that: described exhaust outlet I is connected by hinge II (7) with the top margin edge of the left side wall of described installing rack (1).

58. layers as claimed in claim 55 enter formula iron chipping filter, it is characterized in that: described exhaust outlet II is connected by hinge II (7) with the top margin edge of the right side wall of described installing rack (1).

59. layers as claimed in claim 57 enter formula iron chipping filter, it is characterized in that the cross section of described exhaust outlet I and exhaust outlet II is notch cuttype structure.

60. layers as claimed in claim 59 enter formula iron chipping filter, it is characterized in that: the antetheca of described exhaust outlet I and exhaust outlet II is installed handrail symmetrically.

61. layers as claimed in claim 60 enter formula iron chipping filter, it is characterized in that: the antetheca of described exhaust outlet I and exhaust outlet II is installed strut (9) symmetrically.

62. layers as claimed in claim 61 enter formula iron chipping filter, it is characterized in that: described exhaust outlet I comprises four groups of exhaust passages, and described four groups of exhaust passages are that transverse layers is entered the structure that formula is arranged.

63. layers as claimed in claim 62 enter formula iron chipping filter, it is characterized in that: described every group of exhaust passage comprises upper cover plate, form the exhaust passage of described exhaust outlet between every two upper cover plates.

64. as described in claim 63 layer enter formula iron chipping filter, it is characterized in that: the base of the plane at the upper cover plate place of described exhaust passage and described installing rack (1) antetheca and rear wall acutangulates along the plane at place.

65. as described in claim 63 layer enter formula iron chipping filter, it is characterized in that: the upper cover plate of described every group of exhaust passage is parallel.

66. layers as described in claim 65 enter formula iron chipping filter, it is characterized in that: the upper cover plate outward flange of described every group of exhaust passage extends into one deck exhaust passage one segment distance above it, and by the outside bending one acute angle angle in top.

67. layers as described in claim 66 enter formula iron chipping filter, it is characterized in that: the distance that the upper cover plate outward flange of described every group of exhaust passage extends into one deck exhaust passage above it is 0.12 ~ 0.13 times of upper cover plate length.

68. layers as claimed in claim 54 enter formula iron chipping filter, it is characterized in that: dividing plate is equipped with in described each exhaust outlet (6) inside, and the direction of this dividing plate is parallel with the antetheca direction of described installing rack.

69. as described in claim 68 layer enter formula iron chipping filter, it is characterized in that: described dividing plate is positioned at the centerline of described exhaust outlet (6).

70. layers as claimed in claim 19 enter formula iron chipping filter, it is characterized in that: described hasp (8) comprises hook tongue, clasp, handle, the base being arranged on exhaust outlet, wherein hook tongue, handle are hinged on base, and clasp is a U-shaped structure, and it links together by axle and handle.

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