阅读说明：本技术 除尘器滤筒 (Deduster filter cylinder ) 是由 刘波 于 2018-06-28 设计创作，主要内容包括：本发明公开了除尘器滤筒,包括筒体,筒体上端开口连接上端法兰环,筒体下端开口连接底部密封法兰,筒体外包覆有滤材,滤材通过上端法兰环和底部密封法兰固定,所述上端法兰环的下端端面一体成型有纵向密封插槽,纵向密封插槽内套设有密封橡胶圈,所述密封橡胶圈外周设置有用于连接花板的径向密封插槽；本发明的除尘器滤筒解决了现有滤筒密封不可靠的问题,上端法兰环与花板实现径向自锁、密封性能可靠、达到有效降低排放的目的。(The invention discloses deduster filter cylinders, including cylinder, cylinder upper end opening connects upper flanges ring, cylinder lower ending opening connects sealed bottom flange, cylinder is coated with filter material, and filter material is fixed by upper flanges ring and sealed bottom flange, and the lower end surface of the upper flanges ring is integrally formed with longitudinal sealing slot, sealing rubber ring is arranged in longitudinal sealing slot, the sealing rubber ring periphery is provided with the radial seal slot for connecting card；Deduster filter cylinder of the invention solves the problems, such as that existing filter cylinder sealing is insecure, and upper flanges ring and card realize that radially self-locking, sealing performance are reliable, achieve the purpose that discharge is effectively reduced.)

1. deduster filter cylinder, including cylinder, cylinder upper end opening connects upper flanges ring, and cylinder lower ending opening connects sealed bottom Flange, cylinder are coated with filter material, and filter material is fixed by upper flanges ring and sealed bottom flange, which is characterized in that on described The lower end surface of end flanges ring is arranged with sealing rubber ring in longitudinal sealing slot integrally formed with longitudinal sealing slot, described Sealing rubber ring periphery is provided with the radial seal slot for connecting card.

2. deduster filter cylinder according to claim 1, which is characterized in that the longitudinal sealing slot includes that first longitudinal direction is close It seals slot and second longitudinal direction seals slot, second longitudinal direction sealing slot is located on the outside of first longitudinal direction sealing slot, and described first is vertical It realizes that sealing is fixed to sealing slot and filter material upper end, is arranged the sealing rubber ring in the second longitudinal direction sealing slot.

3. deduster filter cylinder according to claim 2, which is characterized in that the first longitudinal direction sealing slot and second longitudinal direction Separated between sealing slot by annular space wall, annular space wall is provided at least on one side towards second longitudinal direction sealing slot One protrusion.

4. deduster filter cylinder according to claim 1, which is characterized in that the sealed bottom flange is towards inner barrel It is on one side in recessed semicircle spherical.

5. deduster filter cylinder according to claim 1 or 4, which is characterized in that it further include having water conservancy diversion Taper Pipe, water conservancy diversion Taper Pipe Bigger diameter end is connect with upper flanges ring, and miner diameter end is located at inner barrel.

6. deduster filter cylinder according to claim 5, which is characterized in that between the inner wall and cylinder of the water conservancy diversion Taper Pipe Angle is 15-30 °.

7. deduster filter cylinder according to claim 6, which is characterized in that between the first longitudinal direction sealing slot and filter material It is provided with connection viscose glue.

8. deduster filter cylinder according to claim 1, which is characterized in that be arranged between the sealed bottom flange and filter material There is connection viscose glue.

9. deduster filter cylinder according to claim 1, which is characterized in that the filter material periphery is provided with interval uniformly at least 3 or more bands.

10. deduster filter cylinder according to claim 1, which is characterized in that the radial seal slot of the sealing rubber ring Internal diameter is 345mm.

Technical field

The present invention relates to deduster technical fields, more particularly, to a kind of deduster filter cylinder.

Background technique

Currently, being to be bonded after being folded with non-woven fabrics, so a filter cylinder is suitable due to the filter material of filter cartridge dust remover The cloth bag of same length is no less than 15, therefore, compact-sized, small in size, and it is that filter cartridge dust remover is maximum that processing capacity is big etc. One of advantage.

Existing filter cylinder installation is by the way of side dress (Dou inserts installation) or upper dress (right angle setting), and upper dress (vertical peace Fill) it is better than side dress (Dou inserts installation) ash-removal effect, and production and replacement filter cylinder are more simple, currently, vertically arranged filter cylinder Structure, function point four major parts are seen below (see Fig. 1):

1. upper flanges ring；Function is will to separate between dust-laden room and clean room, and play sealing and fold filter material adhesion and make With；

2. middle section connects mesh tube；According to the length for folding filter material, while connecting flange in the bottom and bearing folding filter is played Material skeleton function；

3. sealed bottom flange；One effect is to connect mesh tube by middle section to weld upper flanges, and upper/lower terminal flange is viscous Even fold filter material, formed obturator, no matter dusty gas from it is interior or it is external all must through fold filter material be filtered.Another work With the purpose then also having for compressing upper flanges to " partition orifice plate "；

4. filter material；Majority is folded using non-woven fabrics or non-woven fabrics peritonaeum material, plays dust removal and filtration, length one As at 1.8 meters or so, filter cylinder producer out of the ordinary also have production to 2.4 meters；

5. sealing rubber ring: for upper flanges and separating the sealed connection between orifice plate (claiming card).

It is close however using end face seal between above-mentioned cartridge structure upper flanges and partition orifice plate (claiming card) It is not high to seal reliability, is easy to appear super row's phenomenon, i.e. sealing between upper flanges and partition orifice plate (claiming card) in use When rubber ring generates gap or tearing, also there are a large amount of radiation dust in end face, air leakage phenomena occurs.

To reducing discharge, must just solving upper flanges and separating the sealing reliability of orifice plate (claiming card), because removing Dirt device in operation, periodically can be reversely blown into filter cylinder, it is intended that vibrated using high-amplitude and reversed to reduce filter medium resistance Air-flow clears up " ash cake " of filter material another side, since frequent high-amplitude vibrates, the foamed glue " hardening " of upper flanges can be made to fail, In short, facts proved that must then improve the flat of partition orifice plate (claiming card) if continuing to improve reliability using end face seal Face degree and processing roughness, so big card is if being cold worked manufacture, and cost if can be " sky-high price ", so one Just meeting price is higher by as many as bag filter three times for the pulse filter cylinder dedusting of a little imports.Enterprise's " rising " must just be conformed to the principle of simplicity In the case that single manufacture requires, and it is close with upper flanges without influencing partition orifice plate (claiming card) to resist long-term high-amplitude vibration Sealing property.

Summary of the invention

In order to solve the above-mentioned existing problems, the present invention provides a kind of upper flanges ring can with card realize radially self-locking, Sealing performance is reliable, reaches the deduster filter cylinder that discharge is effectively reduced.

The technical solution of the present invention is as follows: a kind of deduster filter cylinder, including cylinder, cylinder upper end opening connect upper flanges Ring, cylinder lower ending opening connect sealed bottom flange, and cylinder is coated with filter material, and filter material passes through upper flanges ring and sealed bottom Flange is fixed, and the lower end surface of the upper flanges ring is arranged with integrally formed with longitudinal sealing slot in longitudinal sealing slot Sealing rubber ring, the sealing rubber ring periphery are provided with the radial seal slot for connecting card.

The longitudinal sealing slot includes first longitudinal direction sealing slot and second longitudinal direction sealing slot, and second longitudinal direction sealing is inserted For slot position on the outside of first longitudinal direction sealing slot, first longitudinal direction sealing slot and filter material upper end realize that sealing is fixed, described the The sealing rubber ring is arranged in two longitudinal sealing slots.

Separated between the first longitudinal direction sealing slot and second longitudinal direction sealing slot by annular space wall, annular space Wall is provided with an at least protrusion towards second longitudinal direction sealing slot on one side.

The one side of the sealed bottom flange towards inner barrel is in recessed semicircle spherical.

It as a further improvement of the present invention, further include having water conservancy diversion Taper Pipe, the bigger diameter end and upper flanges ring of water conservancy diversion Taper Pipe Connection, miner diameter end are located at inner barrel.

Angle between the inner wall and cylinder of the water conservancy diversion Taper Pipe is 15-30 °.

Connection viscose glue is provided between the first longitudinal direction sealing slot and filter material.

Connection viscose glue is provided between the sealed bottom flange and filter material.

The filter material periphery be provided be spaced uniform at least three or more than band.

The radial seal slot internal diameter of the sealing rubber ring is 345mm.

The invention has the benefit that

1, deduster filter cylinder of the invention is by being arranged longitudinal sealing slot, longitudinal sealing in upper flanges ring lower end surface It is arranged the sealing rubber ring with radial seal slot in slot, constitutes the radially self-locking sealing structure of upper flanges ring, it should Structure makes the installation of card and filter cylinder connection simpler, and sealing is more reliable, has prevented gas leak phenomenon, has improved deduster Filtering accuracy, concentration of emission can be down to 3.7 mg/m3 down to concentration of emission；

2, the upper flanges ring that deduster filter cylinder of the invention is sealed by using radially self-locking, simplify filter cylinder installation, The difficulty of replacement mitigates the labor intensity of installation, maintenance；

3, deduster filter cylinder of the invention is by using the one side towards inner barrel in the bottom of recessed semicircle spherical The compressed gas sprayed down can be reflected off filter material and sealed bottom flange cementing line simultaneously by portion's sealing flange, semicircle spherical Uniformly upwards, enable filter cylinder to bear bigger blowback pressure and tolerance, realize the filtering drum dust removing for using common non-woven fabric filter material Device can be applied to Wind Volume, concentration dusty occasion purpose, reduce cost payout, while reaching efficient deashing purpose, Reduce the phenomenon that filter cylinder folder ash is at " ash cake "；

4, deduster filter cylinder of the invention by using water conservancy diversion Taper Pipe increase filter material blowback moment reversed air quantity to mention High cartridge interior reverse pressure, so reversed wind of high pressure further blow off the viscous ash of surface of filter medium, realize and thoroughly eradicate pulse Filter cartridge dust remover easily presss from both sides the critical defect that ash is blocked at " ash cake ", and substantially increases the durability of filter cylinder, filtering accuracy.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of existing filter cylinder；

Fig. 2 is schematic structural view of the invention；

Fig. 3 is cylinder upper end formation schematic diagram of the present invention；

Fig. 4 is the structural schematic diagram of upper flanges ring of the present invention；

Fig. 5 is the structural schematic diagram of sealing rubber ring of the present invention；

Fig. 6 is cylinder lower end structure schematic diagram of the present invention.

In figure, 100, upper flanges ring；200, middle section connects mesh tube；300, sealed bottom flange；400, filter material；500, Sealing rubber ring；600, card；1, cylinder；2, upper flanges ring；21, first longitudinal direction seals slot；22, second longitudinal direction sealing is inserted Slot；23, annular space wall；24, protrusion；3, sealed bottom flange；31, ring flange；32, reflecting part；4, filter material；5, seal rubber Circle；51, radial seal slot；52, recess portion；6, viscose glue is connected；7, viscose glue is connected；8, band；9, water conservancy diversion Taper Pipe；91, deflection cone The inner wall of pipe；10, card.

Specific embodiment

The present invention is further elaborated with reference to the accompanying drawings and examples.

As shown in Fig. 2, including cylinder, cylinder upper end opening connects upper flanges ring, and it is close that cylinder lower ending opening connects bottom Flange is sealed, cylinder is coated with filter material, and filter material is fixed by upper flanges ring and sealed bottom flange, wherein cylinder is mesh Pipe, filter material is using non-woven fabrics wrinkle filter material.

As shown in Fig. 3,4,5, the lower end surface of upper flanges ring is integrally formed with longitudinal sealing slot, longitudinal sealing slot Slot is sealed including first longitudinal direction and second longitudinal direction seals slot, and first longitudinal direction seals between slot and second longitudinal direction sealing slot Separated by annular space wall, second longitudinal direction sealing slot is located on the outside of first longitudinal direction sealing slot, and first longitudinal direction seals slot It realizes that sealing is fixed with filter material upper end, sealing rubber ring, the setting of sealing rubber ring periphery is arranged in second longitudinal direction sealing slot Have a radial seal slot for connecting card, radial seal slot is used to install with card and connect, radial seal slot it is interior Diameter (in Fig. 5 shown in D) is 345mm, is applicable in the card that bore dia is 345mm, the groove depth of radial seal slot (in Fig. 5 shown in L) Preferably greater than 5mm, upper flanges ring look into the radial direction of sealing rubber ring realization and card difficult to understand certainly by being provided with radial seal Lock is tightly connected, which makes the installation of card and filter cylinder connection simpler, and filter cylinder can easily be mounted on 4mm to 5mm thickness On the card of hot rolled steel plate, and sealing is more reliable, has rejected gas leak phenomenon, improves the filtering accuracy of deduster, discharges dense It spends down within 3.7mg/m3, has reached EU criteria.

As a further improvement of the present invention, to improve the sealing tightness between upper flanges ring and sealing rubber ring, Second annular space wall is provided with an at least protrusion towards second longitudinal direction sealing slot on one side, and protrusion is for fixing seal rubber Circle, sealing rubber ring internal diameter is provided with an at least recess portion corresponding with protrusion, so that sealing rubber ring is connect with upper flanges ring More fasten, it is not easily to fall off.

Be provided with connection viscose glue between of the invention first longitudinal direction sealing slot and filter material, sealed bottom flange and filter material it Between be provided with connection viscose glue, connect viscose glue to improve the fastening of the sealing between upper flanges ring and sealed bottom flange and filter material Property.

Cylinder height of the invention is greater than 2 meters, and since filter material is using non-woven fabrics wrinkle filter material, filter material periphery is provided with At least three or more than band so that filter material is close to mesh tube, interval is uniform between band.

Existing filter cartridge dust remover in operation, periodically can be reversely blown into filter cylinder to reduce filter medium resistance, it is intended that " ash cake " of filter material another side is cleared up using high-amplitude vibration and back draught, since Wind Volume deduster air quantity is big, contains dust Concentration is high, and the reason of limitation by filter material wrinkle, blowback is difficult effect as having cloth bag, and the pressure of blowback cannot be increased, now be flowed Capable cartridge structure (see Fig. 1), it is real since the high-pressure blast of high pressure blow smelting operation mainly first acts on filter material and flange in the bottom cementing line Trampling proof and keeping out 4.1KG high-pressure blast has been critical pressure, sees that upper super 4.5KG high-pressure blast will be such that non-woven fabrics wrinkle filter material blows Tearing, so that deduster will be accumulated largely in short-term operation, inside wrinkle at " ash cake ", resistance rises quickly, filtering accuracy Decline is able to bear higher blowback pressure and air quantity, so that common nothing to realize the energy stable operation of Wind Volume filter cartridge dust remover Woven fabric filter cartridge dust remover can be applied to the occasion of Wind Volume, concentration dusty, improve filtering accuracy, sealed bottom of the invention Flange is designed to recessed semicircle spherical, the compressed gas that semicircle spherical can will spray down towards inner barrel on one side It is simultaneously uniformly upward to be reflected off filter material and sealed bottom flange cementing line, so that filter cylinder can bear bigger blowback pressure and tolerance And be unlikely to that non-woven fabrics wrinkle filter material is made to blow tearing, the verified filter cylinder using the structure can hold the blowback pressure of 6KG, even Being transferred to 8KG will not blow or tear；

Specifically, as shown in fig. 6, sealed bottom flange includes being mounted on the ring flange of cylinder lower ending opening and positioned at cylinder Internal reflecting part, is bolted connection between ring flange and reflecting part, and reflecting part surface is in recessed semicircle spherical.

As a further improvement of the present invention, deduster filter cylinder of the present invention further includes having a water conservancy diversion Taper Pipe, and water conservancy diversion Taper Pipe is set It sets at cylinder upper end opening, the bigger diameter end of water conservancy diversion Taper Pipe is fixedly connected with upper flanges ring, and miner diameter end is located at inner barrel, is led Shape forms an angle between the inner wall and cylinder of flow cone pipe, and water conservancy diversion Taper Pipe purpose is to increase filter material in the reversed wind of blowback moment Amount, when be blown high-speed flow it is downward when filter material one receive one, separate " ash cake " with filter material, later back draught because Taper Pipe inner wall buffer action increases cartridge interior reverse pressure, and so reversed wind of high pressure further blows off the viscous of surface of filter medium Ash, which so realizes, thoroughly to be eradicated Pulse filter drum dust collector and easily press from both sides ash into the critical defect of " ash cake " blocking, and is substantially increased The durability of filter cylinder, filtering accuracy.

Preferably, the angle between the inner wall and cylinder of water conservancy diversion Taper Pipe is 15 ° -30 °, in the angular range to the maximum extent Reverse pressure is improved, reversed blowing effect can reach optimal.

The above, only presently preferred embodiments of the present invention, are not intended to limit the invention, all skills according to the present invention Art any trickle amendment, equivalent replacement and improvement substantially to the above embodiments, should be included in technical solution of the present invention Protection scope in.