CN1795962A - Bag filters used guarding circle - Google Patents
Bag filters used guarding circle Download PDFInfo
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- CN1795962A CN1795962A CNA2005100917577A CN200510091757A CN1795962A CN 1795962 A CN1795962 A CN 1795962A CN A2005100917577 A CNA2005100917577 A CN A2005100917577A CN 200510091757 A CN200510091757 A CN 200510091757A CN 1795962 A CN1795962 A CN 1795962A
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- Prior art keywords
- retainer ring
- terminal part
- guarding
- circle
- filters used
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4272—Special valve constructions adapted to filters or filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
Abstract
To provide a retainer for a bag filter in which a welding process of fixing ring single bodies for forming fixing rings is eliminated, in which a drastic reduction in the man power for the welding process release productivity remarkably, in which the fixing rings do not receive the heat affect of welding for manufacturing the fixing rings, in which the fixing rings have high mechanical strength and excellent durability without forming any small parts low in mechanical strength, and in which the durability of a filter cloth can be enhanced. The retainer 1 for a bag filter is provided with a plurality of fixing rings 2 made of metal wire in an annular shape and arranged at predetermined intervals, and a plurality of vertical wires 6 connected to the outside of the fixing rings 2. The fixing rings 2 are provided with lap parts 5 formed by overlapping both of the end parts 3, 3 and connecting parts 7 connecting the vertical wires 6 with at least one of the end parts 3, 3 of the lap parts 5.
Description
Technical field
The present invention relates to from the bag filters used guarding circle of inboard supporting precipitron filter cloth.
Background technology
In the past,, used the device that has with lower member: make dust-contained airflow pass through the also filter cloth (filter bag) of separated and collected dust, support the supporting frame (hereinafter referred to as guard ring) of filter cloth for the shape that keeps filter cloth from the inboard as precipitron.Because if make precipitron running, then filter cloth is collected dust and along with the passing pressure loss of the duration of runs will become greatly, so the dust of collecting needs quilt intermittence or shake off continuously.Have such device of shaking off mechanism, pulse jet type precipitron is for example arranged.
Fig. 6 is the ideograph with precipitron of shaking off mechanism of pulse jet type, Fig. 7 (a) is the stereogram of guard ring in the past, Fig. 7 (b) is the major part front view of guard ring retainer ring in the past, Fig. 7 (c) is the major part vertical view of retainer ring, the major part ideograph of the state of filter cloth when Fig. 8 (a) is the expression control of dust, Fig. 8 (b) are the major part ideographs of the state of (during back washing) filter cloth when representing to shake off dust.
In Fig. 6, the 10th, precipitron, the 11st, dust storage chamber, the 12nd, be formed at the dust-contained airflow inlet of the bottom of dust storage chamber 11, the 13rd, be disposed at a plurality of guard rings on dust storage chamber 11 tops, the 14th, be disposed at the filter cloth of the tubular in guard ring 13 outsides.In addition, in explanation, omitted the part of the filter cloth 14 in guard ring 13 outsides.The 15th, set the Venturi tube of the upper end of being fixed in guard ring 13, the 16th, be equipped on Venturi tube 15 tops, spray compressed-air actuated nozzle to Venturi tube 15, the 17th, open and close the valve of nozzle 16 at regular intervals, the 18th, be used for discharging the clean gas flow outlet of the clean gas flow that forms behind the dust by filter cloth 14 separated and collected dust-contained airflows, the 19th, will fall within the rotary valve of the dust of dust storage chamber 11 belows from dust storage chamber 11 discharges.
In Fig. 7, the 20th, the retainer ring of guard ring 13, this retainer ring disposes a plurality of with leaving predetermined distance, and described retainer ring is to be that wires such as steel wire about 3-5mm electric resistance welding crooked and by butt welding etc. engages the end and makes with the ring-type that this forms toroidal, polygon etc. each other with diameter.The 21st, the end interface each other of retainer ring 20 is applied electric current, carries out resistance heated, pressurization simultaneously, resistance welded and the junction surface that forms, 21 periphery protuberance has melt metal at the junction surface, forms jut.The 22nd, form, be welded on many vertical wire rods of the guard ring 13 in retainer ring 20 outsides by wires such as steel wires.Be equipped with in the outside of guard ring 13 that inorfil by the synthetic fibers of the natural fiber of kapok etc., polyamide etc., glass fibre etc. etc. forms tubular and the filter cloth 14 made.The 23rd, by spot welding etc. with retainer ring 20 and vertical wire rod 22 articulate junction surfaces.
As shown in Figure 6, flow into dust-contained airflow the dust storage chamber 11 from the outer side inflow of filter cloth 14 from the dust-contained airflow of precipitron 10 inlet 12, dust is collected into the outside of filter cloth 14, and the clean gas flow after the separated collection of dust is discharged from clean gas flow outlet 18.Above filter cloth 14, be equipped with nozzle 16, spray compressed air every the stipulated time to filter cloth 14 inboards, will shake off to the outside of filter cloth 14 attached to the dust moment ground on the filter cloth 14 from nozzle 16.
As mentioned above, because when control of dust and dust flow into reverse air-flow to filter cloth 14 when shaking off, so when control of dust, shown in Fig. 8 (a), filter cloth 14 contacts with the vertical wire rod 22 of guard ring 13 and the periphery of retainer ring 20, when shaking off, shown in Fig. 8 (b), filter cloth 14 separates with retainer ring 20 from vertical wire rod 22 of guard ring 13.Carry out this action repeatedly every the stipulated time.Under situation with the such jut in junction surface 21, if carry out control of dust repeatedly and shake off dust, then filter cloth 14 can be repeatedly contact with the jut at the junction surface 21 of retainer ring 20, has the problem that opening is broken, formed easily to the filter cloth 14 that formed by fibrous matter and junction surface 21 position contacting.If the filter cloth 14 formation opening that in a single day breaks, then dust can make opening more become bigger, the problem that generation can't control of dust.In addition, if form jut on junction surface 21, then when covering filter cloth 14 at guard ring 13, filter cloth 14 is easy to hang on the jut at junction surface 21, has the problem that filter cloth 14 sometimes is damaged.
In order to prevent these problems, as the major part ideograph of the state of filter cloth when representing control of dust, promptly, shown in Figure 9, with the junction surface 21 of the retainer ring 20 that is formed with jut be positioned at vertical wire rod 22 laterally near form be configured, and near the of the junction surface 21 of retainer ring 20 and vertical wire rod 22 are welded.Junction surface 21 is covered by vertical wire rod 22, so the jut at junction surface 21 is difficult to touch filter cloth 14.But, near the junction surface 21 of retainer ring 20, owing to when welding, be subjected to heat affecting, mechanical strength reduces, and owing to the welding with vertical wire rod 22 causes mechanical strength further to descend, so under the influence of the environment of dust-contained airflow and pressure, apply load, will produce the problem of near retainer ring 20 bending junction surface 21, frangibility to retainer ring 20.If retainer ring 20 bendings, fracture, then bent position can contact with filter cloth 14 tartly with the position that fractures, and causes being easy to form opening, so be very serious problem.
In addition, in order to form retainer ring 20, in butt joint end wiry each other and under the situation about engaging of the arc welding by TIG welding etc., owing to make about mechanical strength decline 30%-40% by when welding, also being subjected to heat affecting near the junction surface of arc welding joint, so influence based on the environment of dust-contained airflow, pressure, back washing number of times, near the junction surface, also there is the problem of retainer ring bending, frangibility.
In order to address the above problem, for example in (patent documentation 1), " a kind of manufacture method of bag filters used guarding circle is characterized in that, the terminal part that encircles is bent towards the ring center, and make its intersection, overlapping, carries out spot welding then " disclosed.
[patent documentation 1] spy opens the 2001-1093 communique
But, in above-mentioned technology in the past, have following problem.
(1) in (patent documentation 1) disclosed technology, because the terminal part of ring is bent to the center of ring, and make its intersection, therefore can be as the end being docked each other, forming jut when carrying out resistance welded, but owing to go up the recess that forms the V font at the ring (2) that is bent at ring terminal part (1), so when carrying out control of dust repeatedly and shake off the dust operation, because filter cloth (13) contacts repeatedly with the bending part of ring (2), so filter cloth (13) breaks easily, opening, has the problem that filter cloth (13) lacks durability.
(2),, need subsequently to carry out ring (2) and vertical bone line (14) are welded 2 times fixing welding, the problem that have when needing the Welder, productivity ratio is low by ring terminal part (1) is carried out spot welding manufacturing ring (2) in order to make guard ring (12).
(3) owing to ring (2) is to carry out spot welding at the place, crosspoint of ring terminal part (1) to form, so the bonding strength of spot-welded on portion is little, under the environment and pressure effect of dust-contained airflow, will be to guard ring (12) imposed load, have that spot-welded on portion comes off easily, the problem of guard ring (12) poor durability.
The present invention for solve above-mentioned in the past problem and propose, so that following a kind of bag filters used guarding circle to be provided is purpose, promptly, can save the welding processing of the retainer ring monomer that carries out in order to form retainer ring, man-hour and the productivity ratio that can significantly cut down welding processing are higher, in addition, retainer ring can not be subjected to the heat affecting of the welding carried out in order to make retainer ring, retainer ring can not form the little position of mechanical strength, so higher, excellent in te pins of durability of mechanical strength, and can improve the durability of filter cloth, realize long-term, the stabilisation of precipitron running.
Summary of the invention
In order to solve above-mentioned problem in the past, bag filters used guarding circle of the present invention has following structure.
Technical scheme 1 described bag filters used guarding circle of the present invention, have by wire form ring-type and leave predetermined distance ground configuration a plurality of retainer rings, be engaged in many vertical wire rods in the outside of said fixing ring, it is characterized in that the said fixing ring has the terminal part that overlaps above-mentioned both sides wiry and the overlapping portion that forms, junction surface that at least one side of the above-mentioned end portion of above-mentioned overlapping portion is engaged with above-mentioned vertical wire rod.
According to this structure, can obtain following effect.
(1) because the junction surface that has the retainer ring that forms overlapping portion, at least one side of the terminal part of overlapping portion is engaged with vertical wire rod, so can save the welding processing of the retainer ring monomer that carries out in order to form retainer ring, the man-hour of welding processing can be significantly cut down, productivity ratio can be significantly improved simultaneously.
(2) owing to needn't engage, make retainer ring each other to the terminal part of retainer ring with arc welding, electric resistance welding etc., so the heat affecting that retainer ring is welded is less, the mechanical strength of mother metal is difficult to diminish, so mechanical strength is higher, excellent in te pins of durability.
(3) because the jut that in the retainer ring monomer, does not form because of welding, and the terminal part of overlapping portion is engaged with vertical wire rod, so overlapping portion is in the behind of vertical wire rod, filter cloth can not touch end wiry during control of dust, on filter cloth, be difficult to occur opening, can improve the durability of filter cloth.
At this, overlapping portion is meant wire both sides' terminal part is overlapping and part that form, that is, and and the lap till from the end of the side's wiry of retainer ring terminal part to the end of the opposing party's terminal part.
As overlapping portion, can use any in following two kinds of structures: make both sides' terminal part and the structure that vertically wire rod contacts, wire rod is set up in parallel both sides' terminal part along the longitudinal; Or the terminal part in a side terminal part is superimposed in the opposing party's terminal part inboard, as the to make the opposing party outside and vertical wire rod contacting structure.In addition, the terminal part of overlapping portion can use any in the following structure each other: a contacting structure is carried out in more than one position, or make its line contacting structure, or do not contact and wait its structure that separates with leaving the proper spacing that can engage by welding with suitable length.
The length of overlapping portion is 1-3 times of vertical gauge or diameter of wire, preferably selects 1-2 structure doubly for use.Thus, owing to overlapping portion can be accommodated in the inboard of vertical wire rod,, can improve the durability of filter cloth so filter cloth can not run into end wiry during control of dust.
In addition, along with 1 times of the diameter that is shorter in length than vertical wire rod of overlapping portion, have vertical wire rod and overlapping portion be connected area little, engage trend insufficient, that bond strength reduces.Be longer than vertical gauge or diameter of wire along with the length of overlapping portion 2 times, have that end wiry is difficult in the shade of the vertical wire rod of income, during control of dust filter cloth contact with end wiry easily, filter cloth durability downward trend, if it will be more remarkable surpassing 3 times of then this tendencies, therefore should not adopt.
As the junction surface, the structure that adopts the electric resistance welding etc. of arc welding by TIG welding etc., spot welding etc. that at least one side in the terminal part of overlapping portion is engaged with vertical wire rod.
Wire as retainer ring, vertical wire rod for example, can list the steel wire of stainless steel or aluminum etc., implements zinc-plated and plating silk that form to iron wire, steel wire etc., the cladding wire of the steel wire of coating aluminum etc. etc., but be not limited to this.
Technical scheme 2 described inventions of the present invention are in technical scheme 1 described bag filters used guarding circle, it is characterized in that, the both sides of the above-mentioned end portion of above-mentioned overlapping portion are set up in parallel along above-mentioned vertical wire rod, and above-mentioned junction surface is formed on the both sides of above-mentioned end portion of above-mentioned overlapping portion.
According to this structure, on the basis of the effect that obtains by technical scheme 1, also has following effect.
(1) since the both sides of the terminal part of overlapping portion longitudinally wire rod be set up in parallel, and the junction surface is formed on the both sides of terminal part of overlapping portion, so can improve the bond strength and the durability at junction surface.
(2) since the both sides of the terminal part of overlapping portion longitudinally wire rod be set up in parallel, so when overlapping of joint and vertical wire rod, vertical wire rod stably can be fixed on the outside of overlapping portion, simultaneously, retainer ring can be vertically set on vertical wire rod the operability excellence during manufacturing.
Technical scheme 3 described the present invention of the present invention in technical scheme 1 or 2 described bag filters used guarding circles, is characterized in that, are formed with bend near the above-mentioned wire at least one side's the above-mentioned end portion.
According to this structure, on basis, also has following effect by technical scheme 1 or 2 effects that obtain.
(1) owing near the above-mentioned wire at least one side's the above-mentioned end portion, forms bend, so the wire of removing from the terminal part to the bend is on the same horizontal plane, therefore can a plurality of retainer rings of configured in parallel and join on vertical wire rod, its result, when linking a plurality of guard rings or the guard ring lid is installed, can make the connecting portion material that links between the retainer ring, the lid generalization that is used to form the fastening portion of fastening retainer ring, the productivity excellence.Not on same circumference, during eccentric or skew, because can not the configured in parallel retainer ring and engages with vertical wire rod, so must prepare lid, binding parts, described lid be formed with and the degree of eccentricity and the corresponding fastening of side-play amount portion at the wire of retainer ring.
At this, as bend, use with near the wire at least one side's the terminal part the opposing party's terminal part up and down or inside bend become size more than the diameter wiry, thereby form the structure of overlapping portion.The wire of removing from the terminal part to the bend is placed on the same horizontal plane in advance.
As above, according to bag filters used guarding circle of the present invention, can obtain following advantageous effects.
According to technical scheme 1 described invention,
(1) can provide the welding processing that can save the retainer ring monomer that carries out in order to form retainer ring, can significantly cut down the man-hour of welding processing and the bag filters used guarding circle of productivity excellence.
(2) owing to retainer ring is not subjected to so the mechanical strength of mother metal is difficult to descend, can provide the bag filters used guarding circle of intensity height, excellent in te pins of durability in order to make the heat affecting of the welding that retainer ring carries out.
(3) since overlapping portion when being in behind, the control of dust of vertical wire rod filter cloth bump less than end wiry, so the bag filters used guarding circle that filter cloth is too embarrassed to say, can improve the filter cloth durability can be provided.
According to technical scheme 2 described inventions, on the basis of the effect of technical scheme 1,
(1) can provide the bond strength height at junction surface, the bag filters used guarding circle of excellent in te pins of durability.
(2) can provide the outside that vertical wire rod stably can be fixed on overlapping portion, retainer ring can be vertically set on the bag filters used guarding circle of the productivity excellence on vertical wire rod, when making simultaneously.
According to technical scheme 3 described inventions, on the basis of the effect of technical scheme 1 or 2,
(1) can be provided in when linking a plurality of guard rings or the guard ring lid being installed, can will link the bag filters used guarding circle of the lid generalization of attaching parts between the retainer ring, fastening retainer ring and productivity excellence, freedom excellence.
Description of drawings
Fig. 1 (a) is the stereogram of the bag filters used guarding circle of embodiment 1, (b) is the major part front view of the retainer ring end of bag filters used guarding circle, (c) is the major part vertical view of retainer ring end.
Fig. 2 (a) is the major part front view of retainer ring end of the bag filters used guarding circle of embodiment 2, (b) is the major part vertical view of retainer ring end.
Fig. 3 is the major part front view that is illustrated in the state of mounting cover on the end of bag filters used guarding circle of embodiment 2.
Fig. 4 (a) is the major part front view of retainer ring end of the bag filters used guarding circle of embodiment 3, (b) is the major part vertical view of retainer ring end.
Fig. 5 (a) is the major part front view of retainer ring end of the bag filters used guarding circle of embodiment 4, (b) is the major part vertical view of retainer ring end.
Fig. 6 has the ideograph that the pulsed Puffer type is shaken off the precipitron of mechanism.
Fig. 7 (a) is the stereogram of guard ring in the past, (b) is the major part front view of the retainer ring of guard ring in the past, (c) is the major part vertical view of retainer ring.
The major part ideograph of the state of the filter cloth when Fig. 8 (a) is the expression control of dust (b) is the major part ideograph of the filter cloth state when representing to shake off dust.
The major part ideograph of the state of the filter cloth when Fig. 9 is the expression control of dust.
The specific embodiment
Below, with reference to drawing preferred forms of the present invention is described.
(embodiment 1)
Fig. 1 (a) is the stereogram of the bag filters used guarding circle of embodiments of the present invention 1, and Fig. 1 (b) is the major part front view of the retainer ring end of bag filters used guarding circle, and Fig. 1 (c) is the major part vertical view of retainer ring end.
Among the figure, the 1st, the bag filters used guarding circle of embodiment 1, the 2nd, form ring-type and dispose a plurality of retainer rings with leaving predetermined distance by the wire of stainless steel etc., 3, the 3rd, the both sides' of retainer ring 2 terminal part, the 4th, the end of terminal part 3, the 5th, with the overlapping portion that wire both sides' terminal part 3,3 overlaps to form, terminal part 3,3 forms curve-like and even linearity and line contact, is set up in parallel along vertical wire rod 6 described later for concentric shape and with roughly the same curvature.In addition, L is overlapping 5 a length, in the present embodiment, overlapping 5 length L form vertical wire rod 6 diameter 1-3 doubly.The 6th, form, engage vertical wire rod that overlapping 5 both sides' of retainer ring 2 terminal part 3,3 forms by the wire of stainless steel etc. by spot welding etc., the 7th, by the engagement end portions such as motlten metal 3,3 and the vertical junction surface of wire rod 6,8 filter clothes for the tubular that is configured in bag filters used guarding circle 1 outside etc.
About the bag filters used guarding circle of embodiments of the present invention 1 as constituted above, following its manufacture method of explanation.
The wire of stainless steel etc. is formed ring-type, and make wire both sides' terminal part 3,3 be concentric shape, and be set up in parallel, make a plurality of retainer rings 2 that are formed with overlapping 5 with roughly the same line of curvature contact and with it.Then, the both sides of overlapping 5 the terminal part 3,3 of retainer ring 2 are contacted with vertical wire rod 6, utilize junction surface 7 to engage between vertical wire rods 6 and the terminal part 3,3 by spot welding etc. then, retainer ring 2 is vertically set on vertical wire rod 6.Equally, vertically leaving a plurality of retainer rings 2 of predetermined distance ground joint on the wire rod 6, and then, at many vertical wire rods 6 of outer side engagement of retainer ring 2, make the bag filters used guarding circle 1 that forms by a plurality of retainer rings 2 many vertical wire rods 6 of binding.
Because as the bag filters used guarding circle of above-mentioned formation embodiments of the present invention 1, so have following effect.
(1) owing to has the retainer ring 2 that forms overlapping 5, overlapping 5 terminal part 3,3 engaged the junction surface 7 that forms with vertical wire rod 6, so can omit the welding processing of the retainer ring monomer that is used to form retainer ring 2, when significantly cutting down welding processing man-hour, can significantly improve productivity ratio.
(2) owing to do not make retainer ring 2,, descend because the mechanical strength of mother metal is very difficult, so mechanical strength is higher, excellent in te pins of durability so retainer ring 2 is less because of the heat affecting that welding is subjected to by the terminal part 3,3 of joint retainer rings 2 such as arc welding, electric resistance welding.
(3) because the jut that on the retainer ring monomer, does not form by electric resistance welding etc., and overlapping 5 terminal part 3,3 is engaged with vertical wire rod 6, so overlapping 5 behind that is in vertical wire rod 6, filter cloth 8 can not contact with end 4,4 wiry during control of dust, on filter cloth 8, be difficult to form opening, can improve the durability of filter cloth 8.
(4) since with overlapping 5 terminal part 3,3 both sides longitudinally wire rod 6 be set up in parallel, and junction surface 7 is formed on overlapping 5 terminal part 3,3 both sides, so can improve the bonding strength at junction surface 7, and can improve durability.
(5) because overlapping 5 terminal part 3,3 is concentric shape, and form curve-like and even linearity with roughly the same curvature, and with terminal part 3,3 both sides longitudinally wire rod 6 be set up in parallel, so with overlapping 5 with when vertically wire rod 6 engages, vertical wire rod 6 can be stably fixed at overlapping 5 the outside, operability excellence during bonding operation can effectively retainer ring 2 be bonded on vertical wire rod 6.
(6) since overlapping 5 length L is formed vertical wire rod 6 diameter 1-3 doubly, so can be with overlapping 5 inboard that is accommodated in vertical wire rod 6, when control of dust, during back washing, the not end 4,4 of contacting metal silk of filter cloth 8 can be made, the durability of filter cloth 8, long-term, the stabilisation of realization precipitron running can be improved.
In addition, in the present embodiment, although understand and to make the contact of terminal part 3,3 lines and to form overlapping 5 situation, make 3,3 the above some contact in a place or emptyly open small situation about being spaced apart but also have.Also can obtain same effect by these modes.
(embodiment 2)
Fig. 2 (a) is the front view of major part of retainer ring end of the bag filters used guarding circle of embodiments of the present invention 2, Fig. 2 (b) is the major part vertical view of retainer ring end, and Fig. 3 is the major part front view that the state of lid has been installed in the end at bag filters used guarding circle in the expression embodiments of the present invention 2.In addition, with the identical part of embodiment 1 content, use same-sign, and omit its explanation.
In Fig. 2,2a is that the wire by stainless steel etc. forms ring-type and the retainer ring of the bag filters used guarding circle of the embodiment 2 made, 3a is retainer ring 2a one side's a terminal part, 5a is that the side's of retainer ring 2a terminal part 3a and the opposing party's terminal part 3 is vertically overlapping with length direction and overlapping portion that form, terminal part 3a and 3 is concentric shapes, and form curve-like and even linearity doubling contact with roughly the same curvature, longitudinally wire rod 6 is set up in parallel, 7a is by 3a of engagement end portion such as motlten metals, the junction surface that terminal part 3 forms with vertical wire rod 6, the 9th, the bend that near the wire bending the terminal part 3a is formed, for the wire of removing from terminal part 3a to bend 9 retainer ring 2a is on the same horizontal plane, the downside of portion 3 is bent to form the size roughly the same with the diameter of terminal part 3 endways.
In Fig. 3,9a is the discoideus lid that is installed on the end of vertical wire rod 6 of bag filters used guarding circle, and 9b is the fastening portion that is arranged on a plurality of positions of covering the 9a periphery, is used for fastening retainer ring 2a that prolongs with identical length.
The as above manufacture method of the bag filters used guarding circle of the embodiment 2 of Gou Chenging, except that forming bend 9, since identical with the content of explanation in the embodiment 1, so omit its explanation.
Owing to as above constitute the bag filters used guarding circle of embodiment 2, on the basis of the effect that obtains by embodiment 1, also can obtain following effect.
(1) owing to be formed with bend 9 near the retainer ring 2a the 3a of portion endways, thus the wire of removing from terminal part 3a to bend 9 retainer ring 2a is on the same horizontal plane, can a plurality of retainer ring 2a of configured in parallel.Thus, owing to become the distance of homogeneous till can making from retainer ring 2a to the end that the vertical wire rod 6 that covers 9a is installed, so as shown in Figure 3, can use a plurality of fastening 9b of portion that form same length will cover the 9a fastening and on retainer ring 2a and with it, be installed on the end of vertical wire rod 6, can make and cover the 9a generalization, the productivity excellence.The wire of retainer ring not on the same horizontal plane, produce under the situation of eccentric or skew, need to make lid, this lid is formed with the fastening portion of the various different lengths corresponding with the degree of eccentricity, side-play amount, so versatility is relatively poor.
In addition, in the present embodiment, though, also exist to make more than one location point contact, the sky of terminal part 3a and 3 open the situation that slight gap is separated to terminal part 3a is illustrated with the situation that terminal part 3 lines contacted, formed overlapping 5a.Also can obtain same effect according to these situations.In addition, though the situation near formation bend 9 side terminal part 3a is illustrated, but the manufacturing process's complicated situation that also has retainer ring, that is, near portion 3 also forms bend, all forms the situation of bend near both sides' terminal part endways.In this case, though depend on size, the shape of bend, but still can obtain following effect: make the wire of the retainer ring 2a that removes from terminal part to bend be positioned on the same horizontal plane, can dispose a plurality of retainer ring 2a abreast.
(embodiment 3)
Fig. 4 (a) is the major part front view of retainer ring end of the bag filters used guarding circle of embodiments of the present invention 3, and Fig. 4 (b) is the vertical view of the major part of retainer ring end.In addition, the content identical with embodiment 1 used identical symbol and omitted its explanation.
In the drawings, 2b is that the wire by stainless steel etc. forms ring-type and the retainer ring of the bag filters used guarding circle of the embodiment 3 made, 3b is the side's of retainer ring 2b a terminal part, 5b be terminal part 3b with wire one side the inboard overlapping of the opposing party's terminal part 3 and the overlapping portion that forms, terminal part 3b is set up in parallel along all sides in the terminal part 3.7b is the junction surface that forms by engagement end portions such as motlten metal 3 and vertical wire rod 6.
Now the bag filters used guarding circle of embodiment 3 as constituted above just illustrates its manufacture method.
The wire of stainless steel etc. is formed ring-type and wire one side's terminal part 3b is set up in parallel along interior all sides of the opposing party's terminal part 3, make a plurality of retainer ring 2b that are formed with overlapping 5b.Then, the terminal part 3 of overlapping the 5b of retainer ring 2b and vertically wire rod 6, terminal part 3 and terminal part 3b are engaged by spot welding etc.Equally, on vertical wire rod 6, sky is opened predetermined distance ground and is engaged a plurality of retainer ring 2b, and then, at many vertical wire rods 6 of outer side engagement of retainer ring 2b, make the bag filters used guarding circle that forms by a plurality of retainer ring 2b many vertical wire rods 6 of binding.
Because as the bag filters used guarding circle of above-mentioned formation embodiment of the present invention 3, so can obtain and the identical effect of embodiment 1 described device.
In addition, in the present embodiment, though to terminal part 3b is illustrated, also has the situation that makes terminal part 3b, 3 more than one location point contact with the situation that interior all side lines of terminal part 3 contacted, formed overlapping 5b.Also can obtain same effect by it.
(embodiment 4)
Fig. 5 (a) is the major part front view of retainer ring end of the bag filters used guarding circle of embodiment of the present invention 4, and Fig. 5 (b) is the major part vertical view of retainer ring end.In addition, the part identical with embodiment 1 used identical symbol and omitted its explanation.
In the drawings, 2c is that the wire by stainless steel etc. forms ring-type and the retainer ring of the bag filters used guarding circle of the embodiment 4 made, 3c is the side's of retainer ring 2c a terminal part, 5c is that retainer ring 2c one side's terminal part 3c and the opposing party's terminal part 3 is overlapping and overlapping portion that form, and terminal part 3c is set up in parallel along interior all sides of terminal part 3.7c is the junction surface that forms by engagement end portions such as motlten metal 3 and vertical wire rod 6,9c is the bend that near the wire bending the terminal part 3c is formed, the wire of removing the retainer ring 2c from terminal part 3c to bend 9c forms with the inside bend ground of identical with the diameter of terminal part 3 big or small terminad portion 3, so that be positioned on the same circumference.
The manufacture method of the bag filters used guarding circle of embodiment 4 is identical with the content of embodiment 3 explanations except forming bend 9c as constituted above, therefore omits its explanation.
Because as constitute the bag filters used guarding circle of embodiments of the present invention 4 above-mentionedly, so on the basis of the effect that obtains by embodiment 3, also can obtain following effect.
(1) owing to is formed with bend 9c near the wire the 3c of portion endways, so the wire of the retainer ring 2c that removes from terminal part 3c to bend 9c is positioned on the same circumference, when linking a plurality of guard rings or the guard ring lid is installed, with in the embodiment 2 explanation content in the same manner, can easily link the generalization of parts, lid.
(2) because the wire that forms the retainer ring 2c with bend 9c is positioned at the form on the same circumference, so can reduce the difference of height of terminal part 3c and vertical wire rod 6, when control of dust and back washing, can prevent that the filter cloth that is provided in the outside from stretching significantly, can prevent the damage of filter cloth.
In addition, in the present embodiment, though to terminal part 3c is illustrated, also has the situation of the location point contact more than 1 that makes terminal part 3c and 3 with the situation that interior all side lines of terminal part 3 contacted, formed overlapping 5c.Also can obtain same effect by such situation.
Utilize possibility on the industry
The present invention relates to from the bag filters used guarding circle of the filter cloth of inboard supporting precipitron, with provide as Under a kind of bag filters used guarding circle be purpose, that is, can save that retainer ring carries out in order to form The welding processing of retainer ring monomer, man-hour and the productivity ratio that can significantly cut down welding processing are higher, In addition, the heat affecting that retainer ring can not be subjected to welding in order to make retainer ring, retainer ring Can not form the little position of mechanical strength, so mechanical strength is higher, excellent in te pins of durability, and Can improve the durability of filter cloth, realize long-term, the stabilisation of precipitron running.
Claims (3)
1. bag filters used guarding circle, have by wire form ring-type and leave predetermined distance ground configuration a plurality of retainer rings, be engaged in many vertical wire rods in the outside of said fixing ring, it is characterized in that the said fixing ring has the terminal part that overlaps above-mentioned both sides wiry and the overlapping portion that forms, junction surface that at least one side of the above-mentioned end portion of above-mentioned overlapping portion is engaged with above-mentioned vertical wire rod.
2. bag filters used guarding circle as claimed in claim 1 is characterized in that, the both sides of the above-mentioned end portion of above-mentioned overlapping portion are set up in parallel along above-mentioned vertical wire rod, and above-mentioned junction surface is formed on the both sides of above-mentioned end portion of above-mentioned overlapping portion.
3. bag filters used guarding circle as claimed in claim 1 or 2 is characterized in that, is formed with bend near the above-mentioned wire at least one side's the above-mentioned end portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004378146A JP3959093B2 (en) | 2004-12-27 | 2004-12-27 | Bug filter retainer |
| JP2004378146 | 2004-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1795962A true CN1795962A (en) | 2006-07-05 |
| CN100406100C CN100406100C (en) | 2008-07-30 |
Family
ID=36734973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100917577A Expired - Fee Related CN100406100C (en) | 2004-12-27 | 2005-08-17 | Bag filters used guarding circle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3959093B2 (en) |
| KR (1) | KR100651674B1 (en) |
| CN (1) | CN100406100C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102772959A (en) * | 2011-05-11 | 2012-11-14 | 宜兴宝明环保设备有限公司 | Flat filter bag framework |
| CN102772964A (en) * | 2011-05-09 | 2012-11-14 | 宜兴宝明环保设备有限公司 | Angle-shaped filter bag framework |
| CN108744916A (en) * | 2018-06-12 | 2018-11-06 | 王鹏 | A kind of industrial smoke treatment process |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784529A (en) * | 2011-05-16 | 2012-11-21 | 宜兴宝明环保设备有限公司 | Filtration bag frame containing shutter protection sleeve |
| DE102012005957A1 (en) * | 2012-03-23 | 2013-09-26 | Alantum Europe Gmbh | Support basket for a bag filter |
| CN109432836A (en) * | 2018-09-26 | 2019-03-08 | 江苏臻中滤料科技有限公司 | A kind of filter bag promoting filter material replacement efficiency |
| KR102127875B1 (en) | 2018-11-05 | 2020-06-29 | (주)제이에이치환경산업 | A band of the bag filter for the dust collector |
-
2004
- 2004-12-27 JP JP2004378146A patent/JP3959093B2/en active Active
-
2005
- 2005-08-03 KR KR1020050070915A patent/KR100651674B1/en active IP Right Grant
- 2005-08-17 CN CNB2005100917577A patent/CN100406100C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102772964A (en) * | 2011-05-09 | 2012-11-14 | 宜兴宝明环保设备有限公司 | Angle-shaped filter bag framework |
| CN102772959A (en) * | 2011-05-11 | 2012-11-14 | 宜兴宝明环保设备有限公司 | Flat filter bag framework |
| CN108744916A (en) * | 2018-06-12 | 2018-11-06 | 王鹏 | A kind of industrial smoke treatment process |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006181485A (en) | 2006-07-13 |
| CN100406100C (en) | 2008-07-30 |
| KR100651674B1 (en) | 2006-12-01 |
| KR20060074812A (en) | 2006-07-03 |
| JP3959093B2 (en) | 2007-08-15 |
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