CN107866115B - Dust remover bag cage and filter bag - Google Patents
Dust remover bag cage and filter bag Download PDFInfo
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- CN107866115B CN107866115B CN201711184045.9A CN201711184045A CN107866115B CN 107866115 B CN107866115 B CN 107866115B CN 201711184045 A CN201711184045 A CN 201711184045A CN 107866115 B CN107866115 B CN 107866115B
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- 239000000428 dust Substances 0.000 title claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 238000007664 blowing Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 210000003205 muscle Anatomy 0.000 description 17
- 239000004744 fabric Substances 0.000 description 11
- 238000009434 installation Methods 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000889 poly(m-phenylene isophthalamide) Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
Classifications
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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
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/06—Details of supporting structures for filtering material, e.g. cores
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a dust collector bag cage and a filter bag, wherein the bag cage comprises a head cover, a protective sleeve, a frame longitudinal inner rib, a frame longitudinal outer rib and a 16-angle lace type bottom cover, wherein the frame longitudinal inner rib is arranged in the head cover, the protective sleeve is arranged in the head cover to mount the frame longitudinal outer rib, 16 frame longitudinal inner ribs and 16 frame longitudinal outer ribs are respectively provided, a plurality of support rings are arranged, and the bottoms of the support rings are respectively connected with the inner corners and the outer corners of the 16-angle lace type bottom cover to form the bag cage. The filter bag comprises a bottom cover, a straight cylinder, a bag head and a fixed snap ring, wherein the bottom cover, the straight cylinder and the bag head are all 16-angle lace-shaped, and the fixed snap ring is used for fixing the filter bag with the bag cage. The invention adopts the mode of inner ribs and outer ribs to fix and protect the filter bag, the area of the filter bag is increased by 2.5 times on the existing filter space, the bag cage is designed by referring to the grating principle, the requirements of low steel consumption and small occupied area of the bag cage of the whole equipment are realized, and the dust removing effect is better.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to a dust remover bag cage and a filter bag.
Background
Bag filters have found wide application in various industries in China. As a traditional elliptical, circular and other bag cage, the current market demands can not be met far enough. The traditional structure is high in steel consumption, large in occupied area and poor in effect, and is gradually overtaken by the electric dust remover, and under the condition, the bag cage technology needs to be innovated.
The current market discloses a combined large-area self-oscillation dust collector bag cage and cloth bag device (application number: 201410305098.1), the adopted bag cage is of a star-shaped structure, which is seemingly improved compared with the original circular and oval bag cage, but the following problems exist in the actual use process: 1. the structure adopts a star-shaped structure, but only has inner ribs and lacks the reinforcement of outer ribs. In the running process, the filter bag of the cloth bag is instantly sprayed, the filter bag is just like a blowing ball, and if the outer reinforcing ribs do not serve as supports, the filter bag instantly expands, so that the damage to the filter bag is extremely serious; 2. the bag cage is easy to be eccentric due to the self-vibration structure without the external reinforcing ribs in the operation process, so that air flow directly washes the bag filter bag, and the bag cage is extremely easy to be torn, so that the traditional circular or oval bag cage is replaced once in 3 years, the star-shaped bag cage is inspected once in 3-6 months, the replacement times are more frequent, and the operation cost is obviously increased; 3. the vertical ribs and the elastic outer limiting rings are locked by screws instead of adopting a welding mode, and the screws are easy to loosen and even fall off due to the fact that the screws are sprayed and blown for many times under the comprehensive working conditions of thermal expansion and cold contraction and vibration; 4. the structure does not solve the problem of matching and installing the filter bag and the bag cage; 5. from the attached drawings, the star-shaped structure is hexagonal, the area of the filter cloth is limited to be enlarged, and the structure has no advantages in space and material saving and is free from work and reactive power. Therefore, according to the 5 conditions, the structure is not suitable for the operation of a conventional bag-type dust collector.
Disclosure of Invention
The invention aims to provide a dust collector bag cage and a filter bag, which are used for solving the technical defects of high steel consumption, large occupied area and poor effect of the traditional dust collector bag cage, improving the dust collection efficiency of the cloth bag and reducing the operation and maintenance cost and the manufacturing cost of cloth bag equipment.
The technical problems solved by the invention can be realized by adopting the following technical scheme:
a dust remover bag cage, characterized in that: the novel frame comprises a head cover, a protective sleeve, a frame longitudinal inner rib, a frame longitudinal outer rib and a 16-angle lace type bottom cover, wherein the head cover is provided with a boss, and the inner side surface of the boss is uniformly distributed with the frame longitudinal inner rib; the middle part of the head cover is provided with a straight hole, a protective sleeve is arranged in the straight hole, a long boss is arranged in the middle part below the protective sleeve, the middle part is provided with a through hole, the inner side of the long boss is provided with frame longitudinal outer ribs in a looping and uniformly distributing manner, and the frame longitudinal inner ribs and the frame longitudinal outer ribs are 16 longitudinal ribs;
the 16-angle lace bottom cover is arranged at the bottom of the bag cage and comprises a 16-angle lace bottom plate and 16-angle bosses, wherein the 16 angles of the 16-angle lace bottom plate are identical in size and shape, and the 16-angle bosses are arranged along the edges of the 16-angle lace bottom plate to form 16 inner angles and 16 outer angles; the bottom of the frame longitudinal inner rib is tightly welded with 16 inner corners of the 16-angle lace type bottom cover, and the bottom of the frame longitudinal outer rib is tightly installed with 16 outer corners of the 16-angle lace type bottom cover.
Preferably, a circle of uniformly distributed bolt holes are formed in the periphery of the outer circle of the through hole of the protective sleeve, which avoids the boss, and the number of the bolt holes is 16, and the 16 bolt holes are correspondingly connected with 16 longitudinal outer ribs of the frame; the upper part of the longitudinal outer rib of the frame is provided with a screw rod, and the screw rod passes through the bolt hole and is fixed up and down by a locking nut.
Preferably, the inner rib support rings are arranged at certain axial intervals of the inner ribs of the frame to serve as reinforcing ribs, the inner rib support rings comprise inner rings and inner ring connecting rods, the diameter of each inner ring is smaller than the diameter formed by the periphery of the outer ribs of the frame, and the inner ring connecting rods are provided with 16 equal-length inner ribs which are respectively connected with the 16 frame inner ribs.
Preferably, the outer muscle axial of the frame is upwards equipped with outer muscle holding ring at intervals, outer muscle holding ring staggers with the inner muscle holding ring and sets up, outer muscle holding ring includes outer lane and outer lane connecting rod, the diameter of outer lane is greater than the diameter that the frame indulges the inner muscle and encloses, the outer lane connecting rod has equilong 16, is connected with 16 frames respectively and indulges outer muscle.
The bag filter bag comprises a bottom cover, a straight cylinder, a bag head and a fixed clamping ring, wherein the straight cylinder is a filter bag main body sleeved on the bag cage; the bottom cover is connected with the bottom of the straight cylinder; the bag head is connected with the top end of the straight cylinder, and the fixed clamping ring is sleeved in the bag head.
Preferably, the bottom cover is 16-angle lace-type bottom cover, the circumferential array is provided with 16 equal angles and 32 edges, and the included angle between the edges is 20-59 degrees, and the edges are matched with the bag cage.
Preferably, the straight cylinder is a 16-angle lace type filter bag.
The invention relates to a 16-angle lace-structured bag cage and a filter bag, wherein the bag cage adopts an inner rib and an outer rib mode to fix and protect the filter bag, and the invention has the following gain effects: 1. the area of the 16-angle lace type bag cage and the area of the filter bag are increased by 2.5 times on the existing filter space; 2. although the weight of a single bag cage is increased by about one time, the weight of the bag cage of the whole equipment can be reduced to 3/4 of that of the bag cage of the original traditional circular bag cage dust collector; 3. under the same working condition, the 16-angle lace type bag cage and the filter bag structure are adopted, so that the occupied area of the original equipment can be reduced to 1/2 of the original area, and the consumption of the whole steel is reduced by half. The invention designs the bag cage by referring to the grating principle, thereby realizing the requirements of low steel consumption and small occupied area of the bag cage of the whole equipment and having better dust removal effect.
Drawings
Fig. 1 is a schematic perspective view of the bag cage of the present invention.
FIG. 2 is a schematic view of the structure of the longitudinal inner ribs of the frame of the bag cage of the present invention.
FIG. 3 is a schematic view of the structure of the longitudinal outer ribs of the frame of the bag cage of the present invention.
Fig. 4 is a schematic illustration of the attachment of the head cover of the bag cage of the present invention to other components.
FIG. 5 is a schematic illustration of the attachment of the 16-corner lace bottom cover to other components of the bag cage of the present invention.
FIG. 6 is a schematic illustration of the attachment of the bag cage of the present invention at the snap ring.
FIG. 7 is a schematic view of a filter bag of the present invention.
FIG. 8 is a schematic diagram of the positional relationship between the fixed snap ring of the filter bag and the longitudinal inner and outer ribs of the frame of the bag cage.
In the figure, the 1-head cover, the 2-protective sleeve, the 3-frame longitudinal inner rib, the 4-frame longitudinal outer rib, the 5-snap ring, the 6-inner rib supporting ring, the 7-outer rib supporting ring, the 8-16-angle lace type bottom cover, the 9-filter bag, the 11-boss, the 12-straight hole, the 21-long boss, the 22-through hole, the 23-bolt hole, the 51-upper ring, the 52-lower ring, the 61-inner ring, the 62-inner ring connecting rod, the 71-outer ring, the 72-outer ring connecting rod, the 81-16-angle lace type bottom plate, the 82-16-angle boss, the 83-inner angle, the 84-outer angle, the 91-filter bag bottom cover, the 92-filter bag straight cylinder, the 93-filter bag head and the 94-fixed snap ring are arranged.
Detailed Description
The present invention will be described in further detail with reference to examples, but embodiments of the present invention are not limited thereto.
Fig. 1-6 are schematic structural views of the bag cage according to the present invention, including a head cover 1, a protective sleeve 2, a frame longitudinal inner rib 3, a frame longitudinal outer rib 4, a snap ring 5, an inner rib supporting ring 6, an outer rib supporting ring 7, and a 16-angle lace type bottom cover 8.
The head cover 1 is the upper cover of whole frame for the muscle 3 and protective sheath 2 are indulged to the installation frame, are equipped with boss 11, evenly distributed welded fastening has the frame to indulge in the muscle 3 on the medial surface of boss 11, the frame indulges the muscle 3 and includes 16 the same length indulges the muscle, and the top and the head cover 1 welding of every ensures that the terminal surface of all indulges the muscle flushes during welded mounting, and the welding is firm.
The middle part of skull 1 is opened there is straight hole 12, is provided with protective sheath 2 in, and protective sheath 2 is used for installing the frame and indulges outer muscle 4, and protective sheath 2's below middle part is equipped with long boss 21, and the centre is through-hole 22, for convenient to detach overhauls, and the position of avoiding the boss around the excircle of through-hole 22 is opened there is round bolt hole 23 of equipartition for connecting the frame and indulging outer muscle 4, and in this embodiment, bolt hole 23 is 16, corresponds to connect 16 frames and indulges outer muscle 4. The upper portion of the outer muscle 4 is indulged to the frame is the screw rod, passes behind the bolt hole 23 and fixes from top to bottom with the lock nut to guarantee not vibrations from top to bottom in the back jetting, can adjust the straightness that hangs down of outer muscle 4 is indulged to the frame through the nut simultaneously, avoid just once installing the back unable straightness that hangs down like current bag cage, lead to the filter bag askew easy damage. During installation, nuts are required to be fixed and flush, and the vertical longitudinal ribs of the bag cage are ensured to be vertical. The protective sleeve 2 can prevent the back-blowing air flow from directly flushing the head of the filter bag, thereby playing a role in guiding flow, protecting the head of the filter bag and prolonging the service cycle of the filter bag.
The protective sleeve 2 and the head cover 1 can be connected in a clamping groove and clamping manner, and also can be connected through threads. In this embodiment, a groove is formed on the upper end surface of the head cover 1, and the edge of the protective sleeve 2 protrudes downwards to be clamped into the groove for fixing.
As shown in fig. 2, the inner rib 3 is provided with an inner rib supporting ring 6 as a reinforcing rib at a certain distance in the axial direction, the inner rib supporting ring 6 comprises an inner ring 61 and an inner ring connecting rod 62, the diameter of the inner ring 61 is smaller than the diameter of a circle surrounded by the bolt holes 23 (i.e. the diameter surrounded by the outer rib 4 of the frame), and the connection is ensured not to interfere with the filter bag. The inner ring connecting rods 62 are provided with 16 equal-length connecting rods which are respectively connected with the 16 longitudinal inner ribs 3 of the frame. The inner rib supporting ring 6 can be provided with a distance according to the strength requirement.
For convenience of assembly and processing, the middle of the longitudinal inner rib 3 of the frame can be connected in a split mode by adopting a clamping ring 5, the clamping ring 5 is divided into an upper ring 51 and a lower ring 52, and the upper ring 51 and the lower ring 52 can be connected in a fastening or threaded mode. As shown in fig. 6, the outer diameter of the snap ring 5 is preferably the same as the diameter of the inner rib support ring 6, and smaller than the diameter enclosed by the frame longitudinal outer ribs 4. The frame longitudinal inner rib 3 is bent for the second time when approaching to the connection position of the clamping ring 5, and is vertically attached to the outer surface of the clamping ring 5 for welding after being inclined.
As shown in fig. 3, the outer rib supporting rings 7 are arranged at intervals in the axial direction of the outer rib 4 of the frame, and the outer rib supporting rings 7 and the inner rib supporting rings 6 are staggered. The outer rib supporting ring 7 comprises an outer ring 71 and an outer ring connecting rod 72, and the diameter of the outer ring 71 is larger than the diameter surrounded by the longitudinal inner ribs 3 of the frame, so that the outer rib supporting ring is not interfered with the filter bag during connection. The outer ring connecting rods 72 have 16 equal length and are respectively connected with the 16 longitudinal outer ribs 4 of the frame. The longitudinal outer ribs 4 of the frame are connected in a straight body without segmentation.
The bottom of the bag cage is a 16-angle lace type bottom cover 8, the bag cage comprises a 16-angle lace type bottom plate 81 and 16-angle bosses 82, the 16 angles of the 16-angle lace type bottom plate 81 are identical in size and shape, the 16-angle bosses 82 are arranged along the edges of the 16-angle lace type bottom plate 81, small circular arcs are adopted at the inner and outer included angles to be transited to form 16 inner angles 83 and 16 outer angles 84, the bottom of a frame longitudinal inner rib 3 is tightly welded with the 16 inner angles 83 of the 16-angle lace type bottom cover 8, the bottom of the frame longitudinal outer rib 4 is tightly mounted with the 16 outer angles 84 of the 16-angle lace type bottom cover 8, and preferably, 90 ︒ bending is arranged at the bottom of the frame longitudinal outer rib 4 and is hooked on the 16-angle lace type bottom plate 81, so that the bag cage is connected with the bottom plate 81 and the outer angles 84, and has higher strength for clamping.
The middle interlayer of the frame longitudinal inner rib 3 and the frame longitudinal outer rib 4 is used for installing the filter bag.
Fig. 7 is a schematic view of the structure of the filter bag of the present invention, including a filter bag bottom cover 91, a filter bag straight tube 92, a filter bag head 93 and a fixing clip 94. For clarity of illustration, the filter bag bottom cover 91 is not connected to the filter bag cylinder 92 in fig. 7.
The filter bag straight cylinder 92 is a filter bag main body sleeved on a bag cage; the filter bag bottom cover 91 is connected with the bottom of the filter bag straight cylinder 92; the filter bag head 93 is connected with the top end of the filter bag straight cylinder 92, and the fixed clamping ring 94 can be made of soft iron wires, high-temperature resistant ropes or rubber and is sleeved in the filter bag head 93.
The shape of the filter bag bottom cover 91 is a 16-angle lace type bottom cover, the circumferential array is provided with 16 angles and 32 edges which are equal, the included angle between the edges is 20-59 degrees, the filter bag bottom cover is matched with a bag cage, and the edge of the filter bag bottom cover 91 is provided with a folded edge. The 20mm portion of the fold was connected to the straight filter bag cylinder 92 by a 10mm double line stitch, the seam being 5mm from the bottom edge of the straight filter bag cylinder 92.
The straight tube 92 of the filter bag is a 16-angle lace type filter bag, every three corners are sewed with a sewed edge, the double sides of the sewed position are ensured to have a repetition length of 20mm, double-line sewing with a distance of 10mm is adopted, and the distance between the seam and the side edge is 5mm.
The top end of the straight filter bag cylinder 92 is connected with a filter bag head 93, the filter bag head 93 is double-layered, the lower edge of the filter bag head is 20mm and is used for being connected with the straight filter bag cylinder 92, and double-line stitching with a 10mm interval is adopted; the upper double layer is unsewn leaving a through hole for the retaining collar 94 to pass through, as shown in fig. 8.
The filter bag head 93 is the structure of sewing up behind the filter bag turn-ups, leaves the through-hole that the fixed snap ring 94 passed in the middle of the head after the turn-ups, and filter bag head 93 is discontinuous in every bight department, has the opening, and the purpose is in order to make things convenient for fixed snap ring 4 to pass or walk around the frame of bag cage and indulge internal reinforcement 3 and the frame and indulge external reinforcement 4, locks fixedly the filter bag, prevents that the filter bag from appearing falling below the protective sheath 2 bottom of bag cage when the pulse valve carries out the back-blowing, and the dust will bypass the filter bag and get into the air-purifying chamber.
The material of the filter bag is not limited to PE, PP, PTFE, PMIA, NMO.
The installation mode of the invention has two modes.
1. When the length of the bag cage is less than 4 meters, the installation sequence is as follows:
1) Firstly, the head cover 1 of the bag cage and the bottom cover 8 of the frame with the longitudinal inner ribs 3 and the 16-angle lace type are installed;
2) Bagging the mouth of the filter bag 9 along the bottom of the longitudinal inner rib of the integral frame towards the head;
3) When the mouth of the filter bag 9 reaches the top, the fixed clamping ring 94 of the filter bag 9 passes through the inner hole system of the filter bag head 93, and the notch close to the longitudinal inner rib 3 of the frame bypasses the inner side of the longitudinal inner rib 3 of the frame, so that the fixed clamping ring 94 is limited by the longitudinal inner rib 3 of the frame, and the mouth of the filter bag 9 is prevented from moving;
4) The whole frame longitudinal outer ribs 4 are sleeved with the bottom of the 16 lace filter bag 9 along the longitudinal inner rib direction towards the filter bag head 93, when the filter bag head 93 passes, all the frame longitudinal outer ribs 4 bypass the fixed clamping rings 94 of the filter bag 9, so that the fixed clamping rings 94 of the filter bag 9 obtain the supporting and limiting functions of the supporting rings of the frame longitudinal outer ribs 4, and finally binding is carried out; as shown in fig. 8;
5) And then installing the protective sleeve 2, enabling the head screw rod of the longitudinal outer rib 4 of the frame to pass through the bolt holes 23 and be correspondingly locked with the nuts up and down, and completing the installation of the whole bag cage and the filter bag, so that the protective sleeve can be installed on a pattern plate of a dust remover.
2. If the bag cage is greater than 4M, the installation sequence is as follows:
1) Firstly, mounting a frame longitudinal outer rib 4 in a pattern plate hole of a dust remover;
2) The corner 16 of the filter bag 9 is aligned with the longitudinal outer rib 4 of the frame, and is placed down along the longitudinal outer rib 4 of the frame to the bottom.
3) The inner rib 3 of the frame is sleeved downwards along the 16 corner edges of the filter bag 9, the filter bag is connected to a split part and then is continuously lowered, after the 16 bolt holes 23 of the protective sleeve 2 are sleeved in place corresponding to the outer rib 4 of the frame, the fixed clamping ring 94 of the filter bag 9 passes around the filter bag head hole, and bypasses when encountering the inner rib 3 of the frame and the outer rib 4 of the frame, the filter bag 9 is limited by the annular support of the inner rib 3 of the frame and the outer rib 4 of the frame, and then is tensioned and bound.
Example 1:
the specification of the bag cage is ∅, the filter bag is consolidated and reinforced by adopting 32 inner and outer ribs, and the normal perimeter of the filter bag is 1263mm after the filter bag is matched with 16-angle flower-edge filter bags to shuttle the inner and outer longitudinal ribs. The standard of the conventional circular bag cage is ∅, only 16 inner ribs are arranged, the normal perimeter of the circular bag cage is 502mm, and the installation outer diameter of the circular bag cage also occupies ∅, so that under the condition of the same height, 32 inner ribs and 32 outer ribs are adopted, and the dust collection area of the circular bag cage is enlarged by 2.5 times.
Taking 75 ton stove as an example, ∅ bag cage specification needs 616 internal and external tendons, and the structural arrangement area 5280mm is 12000mm, under the same condition that reaches, only need 250 internal and external tendons through using 32 bag cages, structural arrangement area 4500mm is 6900mm, the number and occupation area of bag cages are drastically reduced, the specification model of steel can select the model of 1~3 grades (for example, 30I-steel is originally used, 27I-steel is available now), therefore, whole weight is reduced by a wide margin, the quantity of solenoid valves for the bag ash removal system is also changed from 44 to 25, other equipment is also relatively reduced, and the condition is not influenced.
The invention adopts the 16-angle bag cage, the included angle of the filter cloth is 20 ︒ -59 ︒, dust can still be collected at the included angle, if the number of the folded angles of the filter cloth is increased, the included angle clearance is reduced, the dust collection at the inner angle close to the outer rib is limited, the triangular concave part cannot leave more space between the gaps for dust accumulation, and the filter cloth at the inner angle is equivalent to failure, so that the dust collection area is reduced, and the 16-angle filter cloth is the larger treatment of the filter cloth. If the number of folded angles is reduced, under the same load working condition, the 16-angle 14-angle 12-angle downward forward is adopted, the area of the filter cloth is gradually reduced by 2.5 times, 2.3 times and 2 times along with the increase of the included angle, that is, the filtering area contacted with dust in the existing space of a single filter bag is reduced, so that the length, width, height and size of the whole equipment are increased, and the manufacturing cost of the whole equipment is increased along with the increase. Therefore, the invention adopts the 16-angle bag cage, so that the steel used by the whole equipment is smaller, the occupied area is smaller, the dust removal effect is good, and the service lives of the bag cage and the filter bag are long under the same working condition.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the present invention.
Claims (4)
1. A dust remover bag cage, characterized in that: the novel frame comprises a head cover, a protective sleeve, a frame longitudinal inner rib, a frame longitudinal outer rib and a 16-angle lace type bottom cover, wherein the head cover is provided with a boss, and the inner side surface of the boss is uniformly distributed with the frame longitudinal inner rib; the middle part of the head cover is provided with a straight hole, a protective sleeve is arranged in the straight hole, a long boss is arranged in the middle part below the protective sleeve, the middle part is provided with a through hole, the inner side of the long boss is provided with frame longitudinal outer ribs in a looping and uniformly distributing manner, and the frame longitudinal inner ribs and the frame longitudinal outer ribs are 16 longitudinal ribs;
the 16-angle lace bottom cover is arranged at the bottom of the bag cage and comprises a 16-angle lace bottom plate and 16-angle bosses, wherein the 16 angles of the 16-angle lace bottom plate are identical in size and shape, and the 16-angle bosses are arranged along the edges of the 16-angle lace bottom plate to form 16 inner angles and 16 outer angles; the bottom of the longitudinal inner rib of the frame is tightly welded with 16 inner corners of the 16-angle lace type bottom cover, and the bottom of the longitudinal outer rib of the frame is tightly installed with 16 outer corners of the 16-angle lace type bottom cover;
a circle of uniformly distributed bolt holes are formed in the periphery of the outer circle of the through hole of the protective sleeve, which is away from the boss, and the number of the bolt holes is 16, and the 16 bolt holes are correspondingly connected with 16 longitudinal outer ribs of the frame; the upper part of the longitudinal outer rib of the frame is provided with a screw rod, and the screw rod passes through the bolt hole and is fixed up and down by a locking nut so as to ensure that the vertical vibration is avoided in back blowing, and meanwhile, the perpendicularity of the longitudinal outer rib of the frame can be adjusted through the nut;
the middle of the longitudinal inner rib of the frame is connected in a split mode through a clamping ring, the longitudinal inner rib of the frame is bent for the second time when approaching to the connecting position of the clamping ring, and the inclined longitudinal inner rib of the frame is vertically bonded and welded with the outer surface of the clamping ring;
the bottom of the longitudinal outer rib of the frame is provided with 90-degree bending and is hooked on a 16-angle lace type bottom plate, so that the bottom plate and the outer angle are connected.
2. A dust collector bag cage as set forth in claim 1 wherein: the inner rib support rings are arranged at certain axial intervals of the longitudinal inner ribs of the frame and comprise inner rings and inner ring connecting rods, the diameter of each inner ring is smaller than that of the longitudinal outer ribs of the frame, and the inner ring connecting rods are provided with 16 equal-length longitudinal inner ribs which are connected with the 16 longitudinal inner ribs of the frame respectively.
3. A dust collector bag cage as set forth in claim 1 wherein: the outer rib support rings are arranged at intervals in the axial direction of the outer rib of the frame in a staggered mode, each outer rib support ring comprises an outer ring and an outer ring connecting rod, the diameter of each outer ring is larger than that of the outer rib of the frame in a surrounding mode, and the outer ring connecting rods are 16 in equal length and are respectively connected with the 16 outer ribs of the frame in a longitudinal mode.
4. A bag filter bag compatible with the dust collector bag cage of any one of claims 1-3, characterized in that: the filter bag comprises a bottom cover, a straight cylinder, a bag head and a fixed clamping ring, wherein the straight cylinder is a filter bag main body sleeved on a bag cage; the bottom cover is connected with the bottom of the straight cylinder; the bag head is connected with the top end of the straight cylinder, and the fixed clamping ring is sleeved in the bag head; the bottom cover is in a shape of a 16-angle lace type bottom cover, the circumferential array is provided with 16 angles and 32 sides which are equal, the included angle between the sides is 20-59 degrees, and the bottom cover is matched with the bag cage; the straight cylinder is a 16-angle lace type filter bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711184045.9A CN107866115B (en) | 2017-11-23 | 2017-11-23 | Dust remover bag cage and filter bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711184045.9A CN107866115B (en) | 2017-11-23 | 2017-11-23 | Dust remover bag cage and filter bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107866115A CN107866115A (en) | 2018-04-03 |
| CN107866115B true CN107866115B (en) | 2024-03-12 |
Family
ID=61754679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711184045.9A Active CN107866115B (en) | 2017-11-23 | 2017-11-23 | Dust remover bag cage and filter bag |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA3104355A1 (en) * | 2018-07-09 | 2020-01-16 | All Filtration Technologies (Holdings) Pty Limited | Low resistance cage for pulse jet filter |
| CN109201973B (en) * | 2018-10-26 | 2024-03-08 | 浙江鸿盛新材料科技集团股份有限公司 | Modular bag cage preparation system |
| CN114871707B (en) * | 2022-06-07 | 2023-12-19 | 江苏森隆环保科技有限公司 | Bag cage for pleated filter bag and processing technology thereof |
| CN115337718A (en) * | 2022-08-01 | 2022-11-15 | 安徽工业大学 | Y-shaped pleated filter bag and support frame thereof |
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| CN107866115A (en) | 2018-04-03 |
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