CN209791034U

CN209791034U - Built-in slag scraping device of rotary drum type filter

Info

Publication number: CN209791034U
Application number: CN201920293995.3U
Authority: CN
Inventors: 鞠炳辉; 鞠小辉
Original assignee: JIANGYIN TIANHUI ENVIRONMENTAL PROTECTION EQUIPMENT Co Ltd
Current assignee: JIANGYIN TIANHUI ENVIRONMENTAL PROTECTION EQUIPMENT Co Ltd
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2019-12-17
Anticipated expiration: 2029-03-07

Abstract

The utility model relates to a rotary drum filter discloses a rotary drum filter's built-in sediment device of scraping, and its technical scheme main points are including the box with rotate the drum filter screen of connection in the box, the box top is equipped with driving motor, the fixed cover of lateral wall of drum filter screen is equipped with the gear circle, the fixed cover of output shaft of driving motor is equipped with drive gear, drive gear meshes in the gear circle, wear to be equipped with the axis of rotation in the drum filter screen, the both ends of axis of rotation pass drum filter screen and box length direction's both ends respectively, the axis of rotation rotates and connects in drum filter screen and box, the one end of box is equipped with the linkage motor that links in the axis of rotation, fixedly connected with alignment jig in the axis of rotation, be equipped with the brush hair of contradicting in. The utility model discloses in, the impurity on the drum filter screen inside wall can be struck off more directly to the brush hair to the effect of clearance drum inside wall has further been improved.

Description

Built-in slag scraping device of rotary drum type filter

Technical Field

the utility model relates to a rotary drum filter, in particular to a built-in slag scraping device of a rotary drum filter.

background

The drum filter is a device widely used for sewage treatment, and mainly comprises a box body and a cylinder filter screen which is rotatably connected in the box body, sewage enters the cylinder filter screen from a water inlet outside the box body, and the sewage is filtered through filter holes on the surface of the cylinder filter screen.

At present, chinese patent with publication number CN208320147U discloses a blowdown structure for rotary drum filter, including collecting tank and the spray lance that is located the collecting tank top, spray lance fixed connection is in the box inner wall and just to the top of drum filter screen, the spray lance is equipped with the shower nozzle towards one side of drum filter screen, the collecting tank is located in the drum filter screen and is located the shower nozzle under, the collecting tank both sides are equipped with the gas blow pipe, the gas blow pipe is linked together with external air source, it has the gas blow hole to open on the relative inclined plane of collecting tank.

The blowdown structure for the rotary drum type filter blows down the residues on the inner side wall of the cylinder filter screen through the air flow in the spray rod and falls into the liquid collecting tank, so that the residues on the inner side wall of the cylinder are cleaned. However, in the actual use process, the cylinder filter screen is in a rotating state, and water flow moves along the surface of the cylinder filter screen after being subjected to the rotational restraining force of the cylinder filter screen, and only a small amount of water flow enters the cylinder filter screen through the filtering holes on the surface of the cylinder filter screen, so that the cleaning effect on residues in the cylinder filter screen is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a built-in sediment device of scraping of rotary drum filter has the advantage that improves drum inside wall clearance effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

The utility model provides a rotary drum filter's built-in sediment device of scraping, includes the box and rotates the drum filter screen of connection in the box, the box top is equipped with driving motor, the fixed cover of lateral wall of drum filter screen is equipped with the gear circle, the fixed cover of driving motor's output shaft is equipped with drive gear, drive gear meshes in the gear circle, wear to be equipped with the axis of rotation in the drum filter screen, the both ends of axis of rotation pass drum filter screen and box length direction's both ends respectively, the axis of rotation is rotated and is connected in drum filter screen and box, the one end of box is equipped with the linkage motor that links in the axis of rotation, fixedly connected with alignment jig in the axis of rotation, be equipped with the.

Through adopting above-mentioned technical scheme, driving motor drive drum filter screen rotates, and the sewage that is located drum filter screen realizes rolling through the drum filter screen to make impurity wherein homogenize, sewage flows through the filtration pore of drum filter screen at the in-process that rolls, realizes filtering. At drum filter screen pivoted in-process, linkage motor drive axis of rotation rotates, and the axis of rotation drives the alignment jig and the brush hair that sets up on the alignment jig rotates, and the brush hair is for drum filter screen's inside wall motion, and the impurity on the motion in-process is cleared up the drum filter screen inside wall. The utility model discloses a reciprocal motion between brush hair and the drum filter screen inside wall has realized the clearance to the drum filter screen inside wall, compares in spraying water from the outside, and impurity can be scraped more directly to the brush hair to can further improve the effect of clearance drum inside wall.

further, the alignment jig includes horizontal pole and vertical pole, the horizontal pole sets up along the length direction of drum filter screen, brush hair fixed connection is on the surface of horizontal pole, the vertical pole is equipped with a plurality of roots, the vertical pole is along the radial fixed connection of drum filter screen between horizontal pole and axis of rotation, the vertical pole includes pole body and lower bar cover, lower bar cover fixed connection is in the axis of rotation, the bottom of pole body slides and connects in the lower bar cover, its top fixed connection in the horizontal pole, the horizontal threaded connection in top of lower bar cover has the locking bolt that is used for conflicting the pole body.

Through adopting above-mentioned technical scheme, the vertical pole adopts the structure of upper boom body and lower pole cover for the length of vertical pole is adjustable, thereby has realized the adjustment to interval between brush hair and the drum filter screen inside wall. After the brush hair receives wearing and tearing, can extend the vertical pole, the height of adjustment horizontal pole to make the brush hair closely paste in the inside wall of drum filter screen more. In the adjusting process, the upper rod body is locked in the lower rod sleeve through the locking bolt.

Furthermore, a top support pressure spring is placed in the lower rod sleeve and is pressed on the upper rod body.

by adopting the technical scheme, when the upper rod body is adjusted, a worker contacts the limitation of the locking bolt, and the elasticity of the jacking pressure spring promotes the upper rod body to automatically rise in the lower rod sleeve, so that the labor consumed by the worker for overcoming the gravity of the cross rod is reduced.

Further, the vertical opening of tip of lower beam cover has two locking grooves, and this tip cover is equipped with the lock sleeve, the vertical opening of lateral wall of lock sleeve has the necking, the lock sleeve is close to the border fixedly connected with locking journal stirrup of necking, wear to be equipped with the pretension bolt assembly on the locking journal stirrup.

Through adopting above-mentioned technical scheme, the lock sleeve has played the effect of locking the upper boom body in lower boom sleeve, and it cooperates with the locking bolt jointly, carries out dual locking to the upper boom body.

Further, be equipped with lifting unit between horizontal pole and the axis of rotation, lifting unit includes pole group and adjusting screw, pole group includes first member, second member, third member and fourth member, the one end of first member and second member articulates respectively in the horizontal pole, the one end of third member and fourth member articulates in the axis of rotation, first member just to the third member in vertical direction, both articulate and connect and form first pin joint, the second member just to the fourth member, both articulate and connect and form the second pin joint, adjusting screw's one end fixedly connected with contradicts in the cap that compresses tightly of first pin joint, adjusting screw is first pin joint and second pin joint in proper order to with threaded connection between the second pin joint.

Through adopting above-mentioned technical scheme, lifting unit has played the effect of adjustment horizontal pole height, at the adjustment in-process, twists and moves adjusting screw, and when first pin joint and second pin joint both were close to each other, the horizontal pole rose, and when first pin joint and second pin joint both kept away from each other, the horizontal pole descends. The lifting assembly is arranged, so that the height of the cross rod can be adjusted by only one worker, and the waste of human resources is reduced.

Furthermore, one side, far away from the adjusting screw, of the pressing cap is fixedly connected with an adjusting sheet, and an adjusting through hole is formed in the adjusting sheet.

Through adopting above-mentioned technical scheme, at the in-process of rotating adjusting screw, the staff inserts the reinforcing bar towards adjusting through hole in to this increase rotates adjusting screw's moment, has reached laborsaving effect.

Furthermore, a reinforcing rib is vertically arranged on the upper rod body, and a sliding groove for the reinforcing rib to slide is vertically arranged on the inner side wall of the lower rod sleeve.

Through adopting above-mentioned technical scheme, strengthen the rib and improved the intensity of last pole body, reduced its possibility that produces and buckle.

Furthermore, the upper rod body is provided with scale marks.

Through adopting above-mentioned technical scheme, when the height of needs adjustment horizontal pole, the staff utilizes the tape measure to get the interval between brush hair and the drum inside wall, utilizes the height of this interval adjustment horizontal pole to make the adjustment to the horizontal pole more accurate and quick.

To sum up, the utility model discloses following beneficial effect has: the mutual motion between brush hair and the drum filter screen inside wall has realized comparing in the outside water spray to the clearance of drum filter screen inside wall, and the brush hair can scrape off impurity more directly to can further improve the effect of clearance drum inside wall.

Drawings

FIG. 1 is a schematic structural view for showing a connection relationship between a tank body and a cylindrical screen;

fig. 2 is a schematic structural diagram for embodying the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a sectional view for showing the internal structure of the side rail;

Fig. 5 is an enlarged view for embodying the portion B in fig. 2.

In the figure, 1, a box body; 2. a cylindrical filter screen; 21. a gear ring; 3. a drive motor; 31. a drive gear; 4. a rotating shaft; 41. a linkage motor; 5. an adjusting bracket; 51. a cross bar; 52. a longitudinal bar; 521. feeding a rod body; 5211. a reinforcing rib; 5212. scale lines; 522. a lower rod sleeve; 5221. a locking groove; 5222. a sliding groove; 523. locking the bolt; 524. propping up a pressure spring; 6. brushing; 7. a locking sleeve; 71. reducing the diameter; 72. locking the support lug; 73. pre-tightening the bolt assembly; 8. a lifting assembly; 81. a set of rods; 811. a first bar member; 812. a second bar member; 813. a third bar member; 814. a fourth bar member; 82. adjusting the screw rod; 821. a compression cap; 822. a regulating sheet; 8221. adjusting the through hole; 83. a first hinge point; 84. a second hinge point.

Detailed Description

the present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a built-in slag scraping device of a rotary drum filter, referring to fig. 1, comprises a box body 1 and a cylinder filter screen 2 which is rotatably connected in the box body 1. The upper part of the box body 1 is connected with a driving motor 3 through a bolt, the outer side wall of the cylinder filter screen 2 is fixedly sleeved with a gear ring 21, and an output shaft of the driving motor 3 is fixedly sleeved with a driving gear 31 meshed with the gear ring 21. When carrying out the filtering to sewage, drum filter screen 2 produces rotatoryly through driving motor 3's drive, and sewage rolls in drum filter screen 2 and filters out through the filtration pore on drum filter screen 2 surface to this realization is to the filtration of sewage.

Referring to fig. 1, a rotation shaft 4 is inserted into a cylindrical screen 2, and the rotation shaft 4 is provided along the axial direction of the cylindrical screen 2. Both ends of the rotating shaft 4 respectively penetrate through both ends of the cylindrical filter screen 2 and the length direction of the box body 1, and the rotating shaft 4 is rotatably connected to the cylindrical filter screen 2 and the box body 1. An interlocking motor 41 for driving the rotating shaft 4 is provided at one end of the case 1 in the longitudinal direction. An adjusting frame 5 (refer to fig. 2) is fixedly connected to the rotating shaft 4, bristles 6 (refer to fig. 2) abutting against the inner side wall of the cylindrical filter screen 2 are arranged on the adjusting frame 5, and the bristles 6 are made of steel materials.

Referring to fig. 1, in the process of filtering the cylinder filter screen 2, the linkage motor 41 is started, the linkage motor 41 drives the rotation shaft 4 to rotate, the rotation shaft 4 drives the bristles 6 (refer to fig. 2) to rotate relative to the inner side wall of the cylinder filter screen 2 in the rotating process, and the impurities adhered to the inner side wall of the cylinder filter screen 2 are scraped due to the relative motion between the bristles 6 and the inner side wall of the cylinder filter screen 2, so that the cleanness degree of the inner side wall of the cylinder filter screen 2 is improved.

Referring to fig. 2, the adjustable frame 5 includes a cross bar 51 and a longitudinal bar 52, the cross bar 51 is disposed along the length direction of the cylindrical screen 2, and the brush staples 6 are fixedly attached to the surface of the cross bar 51. The longitudinal bar 52 is provided with a plurality of longitudinal bars 52, and the longitudinal bars 52 are fixedly connected between the cross bar 51 and the rotating shaft 4 along the radial direction of the cylindrical filter screen 2. The cross bars 51 are used for arranging the bristles 6, and the longitudinal bars 52 enable the bristles 6 to be attached to the inner side wall of the cylindrical filter screen 2.

Referring to fig. 2 and 3, the side rail 52 includes an upper rail 521 and a lower rail 522, the lower rail 522 is fixedly connected to the rotation shaft 4, a bottom end of the upper rail 521 is slidably connected to the lower rail 522, a top end of the upper rail is fixedly connected to the cross bar 51, and a locking bolt 523 for abutting against the upper rail 521 is transversely screwed to a top of the lower rail 522. Two locking grooves 5221 are vertically formed in the end portion of the lower rod sleeve 522, a locking sleeve 7 is sleeved outside the end portion, a reducing opening 71 is vertically formed in the outer side wall of the locking sleeve 7, a locking support lug 72 is fixedly connected to the edge of the locking sleeve 7 close to the reducing opening 71, and a pre-tightening bolt assembly 73 penetrates through the locking support lug 72.

Referring to fig. 2 and 3, when the installation of the cross bar 51 and the side bar 52 is completed, the worker releases the locking bolt 523 and the pre-tightening bolt assembly 73, and removes the deadlocking between the upper bar 521 and the lower bar cover 522. At this time, the height of the cross bar 51 is adjusted by moving the upper shaft 521, and when the bristles 6 on the surface of the cross bar 51 abut against the inner side wall of the cylindrical screen 2, the locking bolt 523 and the pre-tightening bolt assembly 73 are tightened, so that the upper shaft 521 is locked in the lower shaft sleeve 522, thereby achieving the effect of limiting the height of the cross bar 51.

Referring to fig. 2 and 3, the locking bolt 523 achieves the effect of locking the upper shaft 521 in the lower shaft sleeve 522, and the locking sleeve 7 plays a role of safety and is matched with the locking bolt 523 to lock the upper shaft 521. After a long time of use, when the bristles 6 are worn, the height of the cross bar 51 can also be adjusted so that the bristles 6 always abut against the inner side wall of the cylinder screen 2.

Referring to fig. 4, a top support compression spring 524 is placed in the lower shaft sleeve 522, and the top support compression spring 524 is pressed by the upper shaft 521. When the height of the cross rod 51 is adjusted, the cross rod 51 can be automatically lifted by the jacking compression springs 524, and physical strength consumed when workers overcome the gravity of the cross rod 51 is reduced.

Referring to fig. 3, since the upper shaft 521 needs to bear a longitudinal load from the crossbar 51 and a lateral load generated during rotation, in order to reduce the possibility of bending thereof, a reinforcing rib 5211 is vertically provided on the upper shaft 521, and a sliding groove 5222 for sliding the reinforcing rib 5211 is vertically provided on an inner side wall of the lower sleeve 522. In order to adjust the crossbar 51 more accurately, the upper shaft 521 is provided with scale marks 5212.

referring to fig. 2 and 5, a lifting assembly 8 is disposed between the cross bar 51 and the rotating shaft 4, the lifting assembly 8 includes a bar group 81 and an adjusting screw 82, and the bar group 81 includes a first bar 811, a second bar 812, a third bar 813, and a fourth bar 814. One ends of the first and second levers 811 and 812 are hinged to the cross bar 51, and one ends of the third and fourth levers 813 and 814 are hinged to the rotating shaft 4, respectively. The first bar 811 is vertically opposite to the third bar 813, and the first hinge point 83 is formed by the hinged connection of the two bars. The second rod 812 is opposite the fourth rod 814 and the hinged connection forms the second hinge point 84.

Referring to fig. 2 and 5, a pressing cap 821 for abutting against the first hinge point 83 is fixedly connected to one end of the adjusting screw 82, and the adjusting screw 82 is in turn connected to the first hinge point 83 and the second hinge point 84 through a screw thread. One surface of the pressing cap 821, which is far away from the adjusting screw 82, is fixedly connected with an adjusting sheet 822, and an adjusting through hole 8221 is formed in the adjusting sheet 822.

Referring to fig. 2 and 5, when adjusting the height of the cross bar 51, a worker screws the adjusting screw 82, and the distance between the first hinge point 83 and the second hinge point 84 is changed due to the screw connection between the adjusting screw 82 and the second hinge point 84, and the height of the cross bar 51 is increased when the distance between the first hinge point 83 and the second hinge point 84 is close; otherwise, the height of the cross bar 51 is lowered.

The specific implementation process comprises the following steps:

1. Roughly measuring the distance between the bristles 6 and the inner side wall of the cylindrical filter screen 2 by using a tape measure, and unscrewing the locking bolt 523 and the pre-tightening bolt assembly 73 after measuring is finished;

2. A reinforcing bar is inserted into the adjusting through-hole 8221 to increase the moment when the adjusting screw 82 is rotated. Then screwing the adjusting screw rod 82, confirming the moving distance of the upper rod body 521 according to the distance data measured in the step 1, and stopping screwing the adjusting screw rod 82 when the moving distance of the upper rod body 521 is slightly larger than the distance data measured in the step 1;

3. After the height of the cross bar 51 is adjusted, the locking bolt 523 and the pre-tightening bolt assembly 73 are tightened, so that the upper rod body 521 is locked.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a built-in sediment device of scraping of rotary drum filter, includes box (1) and rotates cylinder filter screen (2) of connecting in box (1), its characterized in that: box (1) top is equipped with driving motor (3), the fixed cover of lateral wall of drum filter screen (2) is equipped with gear circle (21), the fixed cover of output shaft of driving motor (3) is equipped with drive gear (31), drive gear (31) mesh in gear circle (21), wear to be equipped with axis of rotation (4) in drum filter screen (2), the both ends of axis of rotation (4) are passed drum filter screen (2) and box (1) length direction's both ends respectively, axis of rotation (4) rotate to be connected in drum filter screen (2) and box (1), the one end of box (1) is equipped with linkage motor (41) in axis of rotation (4), fixedly connected with alignment jig (5) is gone up in axis of rotation (4), be equipped with brush hair (6) of contradicting in drum filter screen (2) inside wall on alignment jig (5).

2. The built-in slag scraping device of a drum filter according to claim 1, characterized in that: the adjustable frame (5) comprises a cross rod (51) and a longitudinal rod (52), the cross rod (51) is arranged along the length direction of the cylinder filter screen (2), bristles (6) are fixedly connected to the surface of the cross rod (51), the longitudinal rod (52) is provided with a plurality of rods, the longitudinal rod (52) is fixedly connected between the cross rod (51) and the rotating shaft (4) along the radial direction of the cylinder filter screen (2), the longitudinal rod (52) comprises an upper rod body (521) and a lower rod sleeve (522), the lower rod sleeve (522) is fixedly connected to the rotating shaft (4), the bottom end of the upper rod body (521) is connected to the lower rod sleeve (522) in a sliding mode, the top end of the upper rod body is fixedly connected to the cross rod (51), and the transverse thread at the top of the lower rod sleeve (522) is connected with a locking bolt (523) used for abutting against the.

3. the built-in slag scraping device of a drum filter according to claim 2, characterized in that: a top supporting pressure spring (524) is arranged in the lower rod sleeve (522), and the top supporting pressure spring (524) is pressed on the upper rod body (521).

4. The built-in slag scraping device of a drum filter according to claim 2, characterized in that: the vertical division of the tip of lower beam sleeve (522) has two locking grooves (5221), and this tip cover is equipped with lock sleeve (7), the vertical division of the lateral wall of lock sleeve (7) has reducing mouth (71), fixedly connected with locking journal stirrup (72) are located to border that lock sleeve (7) are close to reducing mouth (71), wear to be equipped with pretension bolt assembly (73) on locking journal stirrup (72).

5. The built-in slag scraping device of a drum filter according to claim 2, characterized in that: a lifting assembly (8) is arranged between the cross rod (51) and the rotating shaft (4), the lifting assembly (8) comprises a rod group (81) and an adjusting screw rod (82), the rod group (81) comprises a first rod piece (811), a second rod piece (812), a third rod piece (813) and a fourth rod piece (814), one end of the first rod piece (811) and one end of the second rod piece (812) are respectively hinged to the cross rod (51), one end of the third rod piece (813) and one end of the fourth rod piece (814) are hinged to the rotating shaft (4), the first rod piece (811) is right opposite to the third rod piece (813) in the vertical direction and is hinged to form a first hinge point (83), the second rod piece (812) is right opposite to the fourth rod piece (814) and is hinged to form a second hinge point (84), one end of the adjusting screw rod (82) is fixedly connected with a compression cap (821) abutted to the first hinge point (83), the adjusting screw rod (82) is sequentially connected with the first hinge point (83) and the second hinge point (84) in a threaded mode.

6. The built-in slag scraping device of a drum filter according to claim 5, characterized in that: one side of the pressing cap (821) far away from the adjusting screw rod (82) is fixedly connected with an adjusting sheet (822), and an adjusting through hole (8221) is formed in the adjusting sheet (822).

7. The built-in slag scraping device of a drum filter according to claim 2, characterized in that: the upper rod body (521) is vertically provided with a reinforcing rib (5211), and the inner side wall of the lower rod sleeve (522) is vertically provided with a sliding groove (5222) for the sliding of the reinforcing rib (5211).

8. The built-in slag scraping device of a drum filter according to claim 2, characterized in that: the upper shaft body (521) is provided with scale marks (5212).