CN201260914Y - Rotary drum type filter - Google Patents

Abstract

The utility model discloses a rotary drum filter which is applied to environment-friendly water filtering and treatment engineering. The rotary drum filter comprises a cycloidal pinwheel speed reducer 1, a driving device 2, a rotary drum device 3, a brush 4, a spray pipe 5, a water inlet pipe 6, a filtering screen cylinder 7, a mud discharge pipe 8, a washing water pipe 9, a pulse impeller 10, a cylinder body 11, a spiral shaft 12, a strengthening frame 13, a guide wheel 14, a sludge falling hopper 15, a water outlet pipe 16, and the like. The utility model has the advantages of compact structure, simple and convenient maintenance, convenient installation, energy conservation, environment protection, high running efficiency, and the like.

Description

A kind of drum type filteration device

Technical field

Drum filter is that the waste water filtering that is applicable to papermaking, weaving, leather, wine brewing, food processing industry is handled.

Background technology

The filtering net cylinder of the net tube of drum device and internal layer all is the mesh grid tube in the drum filter of innovation and creation before this, and its shortcoming is that net tube brush is unclean, and when brush net tube, easily the net tube is damaged, to such an extent as to the life-span of net tube is lower.Secondly the helical axis of drum filter inside all is isometrical before, and is bad for the press dewatering effect of mud like this, so filter efficiency is just very low.Structure more complicated simultaneously, installation, maintenance is all inconvenient, and power is big, the rotating speed height, power consumption, the production efficiency of existing drum filter is low in a word, and consumption costs height, the wasting of resources are big.

The utility model content

The utility model purpose is to have overcome the deficiency of existing product by the design filter that a kind of efficient is higher, production cost is lower, the wasting of resources is less, realizes improving the purpose of sludge dewatering efficient.

The utility model purpose is achieved in that a kind of drum filter of design, and it is made up of cycloidal planetary gear speed reducer, transmission device, drum device, brush, shower, water inlet pipe, filtering net cylinder, sludge out pipe, wash tub pipe, impulse impeller, cylindrical shell, helical axis, stiffening frame, directive wheel, the bucket that falls, outlet pipe; It is characterized in that: link to each other with transmission device by cycloidal planetary gear speed reducer, and give drum device and helical axis transmission of power; Water inlet pipe extend in the drum device from sidewall, and the drum device left end supports and guiding by directive wheel, does the circular motion that moves in circles in cylindrical shell; Fall bucket in drum device the inside, the vertically position of top; Brush and is close to the inwall of drum device directly over the bucket that falls; Being furnished with shower in the drum device outside simultaneously comes its flushing; Stiffening frame is reinforced it in the outside of filtering net cylinder, also is furnished with wash tub pipe in the outside of filtering net cylinder simultaneously and comes its flushing; In the inside of filtering net cylinder is exactly helical axis, and it is big that the diameter of helical axis becomes gradually; End at sludge out pipe is furnished with impulse impeller, and final mud is discharged from sludge out pipe; And a water part flow in the cylindrical shell from drum device, and another part flows in the cylindrical shell in filtering net cylinder, discharges from outlet pipe afterwards.

Description of drawings

Below in conjunction with accompanying drawing embodiment of the present utility model is described further

Fig. 1 is the structural representation of drum filter

Fig. 2 is the right flank schematic diagram of drum filter

Fig. 3 is the left surface schematic diagram of drum filter

The specific embodiment

Describe the tool embodiment that the utility model proposes in detail below in conjunction with Figure of description.

A kind of drum filter cardinal principle of the utility model is: by drum device 3 rotations of V-structure, realize elementary mud-water separation, again mud is dashed, brushes in the filtering net cylinder of V-structure 7, diameter variation by helical axis 12, carry out the filtration extruding of secondary, realize the effect of screw press, the last again mud that press dry the propelling by impulse impeller 10 discharged.

The utility model drum filter specific embodiment is: give drum device 3 and helical axis 12 transmission of power by cycloidal planetary gear speed reducer 1 by transmission device 2.Drum device 3 is formed (the grid gap can be selected according to designing requirement) by the section V-type net tube that can rotate, and the tip of section V-type net tube outwardly.When sewage when water inlet pipe enters into 3 li of drum device, drum device 3 is along with directive wheel 14 is done the circular motion that moves in circles in cylindrical shell 11, mud will be taken to the top of bucket 15, at this moment mud is under the effect of gravity, part drops in the bucket, and some remaining mud, it sticks to the section V-type net tube inner surface of drum device 3, because the tip of section V-type net tube outwardly, inner surface accuracy is than higher, stainless like this brush 4 will be fallen in the bucket 15 inboard mud is brushed completely of net tube, and is furnished with shower 5 simultaneously in the section V-type net tube outside of drum device 3.When drum device 3 is dammed more dirt and is formed section V-type net tube inside and outside differential pressure and reach design load, the section V-type net tube of shower 5 waters flushing drum device 3, can make drum device 3 be unlikely to stop up like this, can make mud fall into bucket 15 completely again.Mud is compiled along with helical axis 12 rotates propelling by the bucket 15 that falls, in the outside of helical axis 12 is exactly the filtering net cylinder 7 that section V-type filter screen is formed, the outside of filtering net cylinder 7 is stiffening frames 13, so just can make filtering net cylinder 7 that good rigidity is arranged, and guarantees that filtering net cylinder is firmly indeformable.Along with its diameter of helical axis 12 becomes big gradually, will make the filtration extrusion dehydration of mud secondary, discharge from sludge out pipe 8 afterwards, simultaneously is furnished with impulse impeller 10 in the end of sludge out pipe 8, the mud of Pai Chuing can be discharged downwards like this, also can upwards discharge, and water just flows in the cylindrical shell 11 from filtering net cylinder 7 stream inboards, just discharge afterwards by outlet pipe 16.

Eventually the above, after the transmission of novel drum filter, squeezing, dehydration, the mud mass dryness fraction reaches and can reach about 40%DS, improves sludge dewatering efficient greatly.

Claims (1)

1. The utility model is a kind of drum filter of design, and it is made up of cycloidal planetary gear speed reducer (1), transmission device (2), drum device (3), brush (4), shower (5), water inlet pipe (6), filtering net cylinder (7), sludge out pipe (8), wash tub pipe (9), impulse impeller (10), cylindrical shell (11), helical axis (12), stiffening frame (13), directive wheel (14), the bucket that falls (15), outlet pipe (16); It is characterized in that: link to each other with transmission device (2) by cycloidal planetary gear speed reducer (1), and give drum device (3) and helical axis (12) transmission of power; Water inlet pipe (6) extend into drum device (3) lining from sidewall, and drum device (3) left end supports and guiding by directive wheel (14), does the circular motion that moves in circles in cylindrical shell (11); Fall bucket (15) in drum device (3) the inside, the vertically position of top; Brush (4) and is close to the inwall of drum device (3) directly over the bucket that falls (15); Being furnished with shower (5) in drum device (3) outside simultaneously comes its flushing; Stiffening frame (13) is reinforced it in the outside of filtering net cylinder (7), also is furnished with wash tub pipe (9) in the outside of filtering net cylinder (7) simultaneously and comes its flushing; In the inside of filtering net cylinder (7) is exactly helical axis (12), and the diameter of helical axis (12) becomes big gradually; Be furnished with impulse impeller (10) in the end of sludge out pipe (8), final mud is discharged from sludge out pipe (8); And a water part flow in the cylindrical shell (11) from drum device (3), and another part flows in the cylindrical shell (11) in filtering net cylinder (7), discharges from outlet pipe (16) afterwards.

Images