CN2237478Y - Rotary vibration flat bag duster - Google Patents

Abstract

The utility model relates to a rotary vibration flat bag duster, which comprises a vibrating mechanism on the top of a case body, a filter bag device connected with a steel wire component, a drive device driving the vibrating mechanism to rotate, an upper cover, a central case body with a cyclone ring, an upper case body, an ash bucket and a dumping ash valve. In the rotary vibration flat bag duster, the vibrating device which is arranged on the vibrating mechanism, springs the movable pulley of the steel wire assembly which connects with a filter bag carcass, the supporting filter bag carcass is lifted to a definite height and the filter bag carcass is in the state of striking and vibrating after loosing. Due to ash cleaning has no direct action on the filter bag, the life of the filter bag is prolonged. Realizing cleaning ash pouch by pouch and filtrating continuously by enacting the position of the vibrating device on the rotating shaft and regulating the size of spring stroke journey. So the utility model is the rotary vibration flat bag duster of simple structure, low energy consumption, reliable operation and pronounced ash cleaning effect.

Description

Swinging springing flat bag deduster

The filter cloth that sack cleaner relies on braiding or felt to knit reaches the purpose of separating dust in the dusty gas as filtering material.Dust is pounced on collection and is adhered to its table by filter cloth the time, this just increases filtration resistance to a certain extent, influences dust removing effects, therefore, prolongs the key factor that life-span of the filter bag and purge mode are the decision performance of precipitator.Chinese patent " the springing deashing device that is used for sack cleaner " (the ZL patent No. 93203432.2) is though to have a maintenance management than traditional purge mode simple, reliable, the ash-removal effect outstanding feature, but its structure only is applicable to the deduster of rectangular box and circle bag, fails to give full play to the unique effect of springing deashing.

The purpose of this utility model is specially at flat bag constructions, utilize the principle of springing deashing, design a kind of saving energy, life of bag filter is long, the significant swinging springing of ash-removal effect flat bag deduster, be characterized in arranging springing mechanism, utilize the springing device to play the elastic force of the movable pulley that connects with steel wire, drive the Filter-bag carcass vibrations at upper box, play the size of stroke by adjustment, change the power of deashing dynamics, realize by bag deashing, continuous filtration.The life-span of filter bag directly has influence on operating cost, factors such as efficiency of dust collection, the utility model adopts whole skeletal vibration, and the structure of filter bag envelope dirt does not directly act on filter bag when making deashing, the wearing and tearing of filter bag are reduced to maximum limit, thereby prolonged life-span of the filter bag, and close with respect to present widely used machinery rotation blowback flat bag deduster and screen and to blow the flat bag deduster that shakes, on performance comparatively superior outside, also can save a cover back blowing machine, save operating cost.

Swinging springing flat bag deduster links together by the filter bag device that is arranged at upper box springing mechanism, connecting steel wire assembly, the loam cake that drives the rotating drive unit of springing mechanism, fixed drive device, band whirlwind circle, the upper box that is equipped with the filter bag device and middle casing and with middle casing, is used to store the unloading valve composition of the ash bucket of dust and the dust of unloading.Springing mechanism with the rotating shaft of steel or steel pipe processing, the bearing block of supporting revolving shaft, and is equipped with the springing device composition that quantity does not wait by the shaft coupling that connects with drive unit in rotating shaft.Along with the rotation of rotating shaft, the springing device is circled round, stir the movable pulley that connects with steel wire, Filter-bag carcass is promoted to certain altitude, after unclamping, Filter-bag carcass is shaken off the dust on the filter bag through colliding, trembling, and carries out filter bag ash removal.The springing device that assembles in the rotating shaft is by opening trouble, being with platform, the fixator that can lock, springing piece, bolt, nut, packing ring to form.Fixator one end is welded with predefined driving lever, and a corresponding end is welded with balancing weight, the balance when turning round to guarantee to play.The driving lever end is drilled with a fixing hole and three adjustable ports that cooperate with the springing piece, and fixator can move axially, and locks after being convenient to aim at the movable pulley on the filter bay assembly.The springing piece is by the band groove, and shallow by being deep to, the carbon steel of the level and smooth cam-like in top is made, and quenches in the processing back.Groove deep width is bigger, is convenient to admit pulley, and its afterbody is drilled with a fixing hole and three adjustable ports.When the springing device rotates, can change the rotary track of springing device, reduce or increase the Filter-bag carcass hoisting depth, reduce or increase springing power.The filter bag device is made up of Filter-bag carcass, circle hook, flat bag, stage clip, spring base, top envelope dirt device, supporting seat, card, mounting plate and steel wire assembly.The Filter-bag carcass outer surface is tightly jumping flat bag, forms the film shape as far as possible, and one section neutral gear is left on top, the perforate of passing card, and the bottom is provided with rotating round hook.Top envelope konisphere is made up of filter bag cloth circle, rubber pressing plate, keeper plate of steel, bolt, packing ring.The rubber pressing plate is wide to go out keeper plate of steel, stretches out outside the card perforate, Filter-bag carcass is unlikely with card directly rubs, and push down filter bag cloth circle, and making the unlikely wearing and tearing of filter cloth, the Bu Quan other end is fixed on the skeleton upper end, when skeleton promotes like this, card still sealing suitable for reading, unlikely airborne dust and influence efficiency of dust collection.The steel wire assembly is made up of adjustable rod, sliding tube, movable pulley, screw shaft and steel wire.Movable pulley and adjustable rod can rotate according to the distance that steel wire is released.Mounting plate is the fixing usefulness of steel wire assembly, as the filter bag device have two enclose more than, then to avoid the steel wire of inner ring.Have the Chang Yuan hole on the supporting plate, regulate the engagement of springing piece groove and pulley, use nut check in the time of fixedly.Screw rod of adjustable rod for the band square toes, the other end is end boring, can insert split pin, the bearing pin of an end band boss, the centre is drilled with a screw, can screw in screw rod, sliding tube is with opening by the middle part, and makes round steel end drilling and tapping at the steel pipe of one section round steel of corresponding bottom welding, during installation the screw rod and the round steel of pulley and band circular hole are tightened, and guaranteed freely rotating of pulley.Pulley is made by the carbon steel or the PVC engineering plastics that quench.One on steel wire hangs over the round hook of Filter-bag carcass bottom, and the screw shaft on other end and the movable sheave connects, but formation can promote the integral body of springing.Adjust the degree of tightness of steel wire, rotate adjustable rod and get final product.The quantity of stage clip can be increased to three at most according to the length setting of filter bag.Drive unit is made up of the reductor of big retarding ratio, translator and the shaft coupling of connection springing mechanism.Upper box, middle casing, ash bucket, the unloading valve of all the other loam cakes, band whirlwind circle are known technology, repeat no more.

Principle of compositionality of the present utility model and functional characteristics are illustrated conjunction with figs. one by one:

Fig. 1, swinging springing flat bag deduster is always schemed.1-springing mechanism wherein, 2-filter bag device, 3-drive unit, 4-loam cake, the upper box of 5-whirlwind circle, 6-purified gas outlet, casing among the 7-, the import of 8-dusty gas, 9-ash bucket, 10-card, 11-supporting seat, 12-unloading valve.

Fig. 2, A amplifies.Springing device action diagram.

Fig. 3, springing piece front view.

Fig. 4, springing piece vertical view.

Fig. 5, springing mechanism.The 1-rotating shaft, 2-fixator, 3-springing piece, 4-bearing pin, 5-split pin.

Fig. 6, springing mechanism vertical view.(two pairs of springing devices) 1-springing device, 2-rotating shaft, 3-bearing block, 4-shaft coupling.

Fig. 7, the filter bag device.1-Filter-bag carcass wherein, 2-circle hook, the flat bag of 3-, 4-stage clip, 5-spring base, 6-top envelope dirt device, 7-supporting seat, 8-card, 9-mounting plate, 10-steel wire assembly, 11-collision block.

Fig. 8, the B enlarged drawing.Steel wire assembly: 1-adjustable rod, 2-movable pulley, 3-sliding tube, 4-steel wire, 5-screw shaft.

Fig. 9, the C enlarged drawing.Top envelope dirt device: 1-filter bag cloth circle, 2-rubber pressing plate, 3-keeper plate of steel, 4-bolt, 5-pad figure, 6-skeleton sheet metal.

Figure 10, the flat bag of D-D profile.

Fig. 1 as can be known, the filter bag device of swinging springing flat bag deduster is divided into two layers, like this, just two pairs of springing devices (part 1 among Fig. 6) need be set in springing mechanism (1).During deashing, under the situation of locellus not, do not allow filter bag to vibrate simultaneously.Springing mechanism (1) can preestablish the rotating speed of drive unit (3) according to the time of vibration gap of filter bag, and springing mechanism (1) is cleared up filter bag in revolution one by one.In case the filter bag device increases by a circle, the rotating shaft that then need extend (part 2 among Fig. 6) increases a pair of springing device, by that analogy.When the mounting plate that filter bag device (Fig. 7) is set (9), should consider to avoid the steel wire assembly (Fig. 8) of last circle, in order to avoid springing mechanism (1) revolution the time runs foul of each other, influence serviceability.

As shown in Figure 5, the change of springing stroke is by the decision of the relative position of springing piece (3) and fixator (2).Take off the adjustable alignment pin (4) on fixator (2) and the springing piece (3), springing piece (3) is done to move relative to revolution, and bearing pin (4) is put in the hole, plugs split pin (5) and gets final product.Like this, change the distance that steel wire is ejected, make the stroke alteration that spurs the Filter-bag carcass (1) in the filter bag device (Fig. 7) that connects with steel wire, reach the purpose of adjusting springing power.

As shown in Figure 7, Filter-bag carcass (1) top adopts sheet metal to center on, and the gap of its outer surface and card (8) causes that easily dust enters upper box, therefore, adopts top envelope dirt device (6) to solve.When skeleton (1) when being raised, sheet metal (6) and rubber pressing plate (2) in the envelope dirt device (Fig. 9) are collided, and along with the increase of height, filter bag cloth circle (1) is drawn back, and after the falling, filter bag cloth circle (1) is folded, and has guaranteed envelope dirt effect, the raising efficiency of dust collection.

The purpose of this utility model is achieved in that as shown in Figure 1, enter the air inlet (8) of deduster when dusty gas after, whirlwind circle (5) by upper box falls into ash bucket (9) with the big dust particle separation earlier, is suspended in the gas than granule, is blocked in flat bag outer surface.During deashing, drive springing mechanism (1) revolution by drive unit (3), movable pulley (2) in the groove incision steel wire assembly (Fig. 8) of the springing piece (3) in the springing mechanism (Fig. 5), along with rotation, the springing piece promotes movable pulley and outwards moves, the stage clip (4) that filter bag device (Fig. 7) supporting seat (7) is fixed in drive is compressed, Filter-bag carcass raises, and the movable pulley (2) in the steel wire assembly (Fig. 8) is pulled to outside the groove top, suddenly from groove, steel wire (4) is ejected, stage clip bounces back rapidly, like this, and Filter-bag carcass (1) bounce-back in the filter bag device (Fig. 7), the collision block (11) of bump bottom, flat bag (3) is in the collision and the state that trembles, and the dust on surface is fallen clearly because of the fierceness vibration, and amplitude by maximum to calmness for some time, deashing force by strong to a little less than, can keep certain initial bisque.Go round and begin again then and carry out the cleaning of one and another filter bag, make the resistance of deduster drop to given numerical value.

Claims (10)

1, a kind of swinging springing flat bag deduster, by the springing mechanism that is arranged at upper box, the filter bag device of connecting steel wire assembly, drive the rotating drive unit of springing mechanism, the loam cake of fixed drive device, the upper box that is equipped with the filter bag device and the middle casing of band whirlwind circle, and link together with middle casing, be used to store the unloading valve composition of the ash bucket of dust and the dust of unloading, it is characterized in that in the rotating shaft of springing mechanism, being equipped with the springing device that equates with the filter bag device number of plies, springing piece in the springing device is stirred the movable pulley in the steel wire assembly that is bound up with Filter-bag carcass, make Filter-bag carcass be in bump, the state that trembles carries out filter bag ash removal.

2, device according to claim 1 is characterized in that springing mechanism by the shaft coupling that connects with drive unit, with the rotating shaft of steel or steel pipe processing, the bearing block of supporting revolving shaft, and is equipped with the springing device composition that quantity does not wait in rotating shaft.

3, device according to claim 1, the springing device that it is characterized in that assembling in the rotating shaft is by opening trouble, being with platform, the fixator that can lock, springing piece, bolt, nut, packing ring to form.

4, device according to claim 3 is characterized in that fixator one end is welded with predefined driving lever, and a corresponding end is welded with balancing weight, the balance when turning round to guarantee to play; The driving lever end is drilled with a fixing hole and three adjustable ports that cooperate with the springing piece, and fixator can move axially, and locks after being convenient to aim at the movable pulley on the filter bay assembly.

5, device according to claim 3 is characterized in that the springing piece by the band groove, and shallow by being deep to, and the carbon steel of the cam-like that the top is level and smooth is made, and quenches in the processing back.Groove depths width is bigger, is convenient to admit pulley, and its afterbody is drilled with a fixing hole and three adjustable ports.

6, device according to claim 1 is characterized in that the filter bag device is sealed dirt device, supporting seat, card, mounting plate and steel wire assembly and formed by Filter-bag carcass, circle hook, flat bag, stage clip, spring base, top; Filter-bag carcass by with the connection of extension spring, steel wire assembly, but form the integral body of a springing; The quantity of stage clip according to the length setting of filter bag, can be increased to three.

7, device according to claim 6, it is characterized in that envelope konisphere in top is made up of filter bag cloth circle, rubber pressing plate keeper plate of steel, bolt, packing ring, the rubber pressing plate is wide to go out keeper plate of steel, stretches out outside the card hole, and push down filter bag cloth circle, the Bu Quan other end is fixed on the Filter-bag carcass upper end.

8, device according to claim 6 is characterized in that the steel wire assembly is made up of adjustable rod, sliding tube, movable pulley, screw shaft and steel wire and the colligate movable pulley of adjustable rod, along with steel wire is pushed out and rotates.

9, device according to claim 8, it is characterized in that screw rod of adjustable rod for the band square toes, the other end is end boring, can insert split pin, the bearing pin of one end band boss, the centre is drilled with a screw, can screw in screw rod: movable pulley is made by the carbon steel or the PVC engineering plastics that quench: sliding tube is with opening by the middle part, and the steel pipe at one section round steel of corresponding bottom welding is made, internal thread has been attacked in the round steel end, be convenient to put behind the movable pulley and the screw shaft connection, pipe diameter cooperates with the adjustable rod bearing pin, and is free to rotate.

10, device according to claim 1 is characterized in that drive unit selects the reductor of big retarding than, translator for use.

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