CN205031958U - Rotary drum type filter - Google Patents

Abstract

The utility model relates to the technical field of waste liquid treatment, and in particular to a rotary drum filter, comprising a housing, a cylindrical filter, a driving mechanism, a cleaning mechanism and a sewage discharge mechanism, wherein the cylindrical filter is installed in the housing; the driving mechanism is connected to the cylindrical filter and drives it to rotate in the housing; the sewage discharge mechanism is installed in the housing and is located in the cylindrical filter; a first cleaning component of the cleaning mechanism is installed in the sewage discharge mechanism and is located in the cylindrical filter, and a second cleaning component is installed in the housing and is located outside the cylindrical filter; waste liquid such as coolant to be treated enters the cylindrical filter, solid impurities in the coolant are separated by the cylindrical filter, and clean cutting fluid flows into the housing and is discharged through the housing; the cleaning mechanism cleans the impurities attached to the inner wall of the cylindrical filter to the sewage discharge mechanism and discharges them through the sewage discharge mechanism; the utility model has a simple structure, the cylindrical filter is easy to clean, no additional manual cleaning is required, sewage is conveniently discharged, and the waste liquid treatment cost is reduced.

Description

a drum filter

technical field

The utility model relates to the technical field of sewage treatment, in particular to a rotary drum filter.

Background technique

The metal processing process requires a large amount of water-based coolant, and in the metal cutting process, some fine chips, metal powder, grinding wheel powder and other debris are often produced, most of which are mixed into the coolant.

Such sundries are easy to block the pipeline and damage the seal of the pump; the sundries settle at the bottom of the oil pool and coalesce with organic matter to form a sediment layer with a large number of pores, which provides favorable conditions for the reproduction of microorganisms, and the reproduction of a large number of microorganisms will It causes the coolant to stink and deteriorate, which makes the coolant unusable; in addition, the metal powder in the coolant has high chemical activity, which can make certain components in the coolant invalid.

The sundries in the coolant (such as chips, metal powder, etc.) will also greatly reduce the service life of the tool, because during cutting, the sundries will enter the interface between the tool face and the workpiece contact area, resulting in strong Friction increases the cutting temperature, greatly reduces tool durability, and deteriorates the quality of the machined surface.

In order to improve tool life and reliability, and improve parts processing quality, it is necessary to purify the coolant.

Contents of the invention

In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a drum type filter with simple structure, easy cleaning of the cylindrical filter screen and convenient sewage discharge.

In order to achieve the above purpose, a drum type filter of the present invention includes a box body, a cylindrical filter screen, a driving mechanism, a cleaning mechanism and a sewage discharge mechanism. The box body is provided with a water outlet, and the cylindrical filter screen is installed in the box. In the body, the cylindrical filter screen is provided with a water inlet; the driving mechanism is connected to the cylindrical filter screen, and the driving mechanism drives the cylindrical filter screen to rotate in the box; the sewage discharge mechanism installed in the box body is located in the cylindrical filter screen. The cylinder filter screen is provided with a sewage outlet, and the sewage discharge mechanism is connected to the outside of the box through the sewage discharge port; the cleaning mechanism includes a first cleaning part and a second cleaning part, the first cleaning part is installed in the sewage discharge mechanism and is located inside the cylindrical filter screen, and The second cleaning piece is installed on the box body and is located outside the cylindrical filter screen.

Wherein, the box body includes a first side wall and a second side wall that are oppositely arranged, and the first side wall and the second side wall are respectively provided with through holes, and the first side wall and the second side wall are equipped with rotatable Two support wheels, the support wheels are located below the through hole; the cylindrical filter screen includes a cylinder body and lugs, the lugs protrude from the two ends of the cylinder body in a direction away from each other, and the lugs are supported through the through hole On the supporting wheel, one of the lugs is provided with a water inlet connected to the cylindrical filter, and the other lug is provided with a sewage outlet connected to the cylindrical filter.

Wherein, the driving mechanism includes a motor and a gear set, the gear set includes a driving wheel and a driven wheel meshing with the driving wheel, the driving wheel is connected to the output shaft of the motor, and the driven wheel is connected to the lug.

Wherein, the sewage discharge mechanism includes a tray, and the tray includes a bottom plate, side plates extending upwards from both sides of the bottom plate, and baffles extending upwards from the other two sides of the bottom plate; one of the baffles is provided with a protruding protrusion The pillar protrudes through the water inlet, and the other baffle is provided with a collar protruding outward, and the collar protrudes out through the sewage outlet; the bottom plate is an inclined plate, and the end of the bottom plate near the protruding column is higher than the bottom plate One end close to the ring; the first side wall and the second side wall are respectively provided with fixed frames extending upwards, one of which is fixed to the stud; the other fixed frame is fixed to the ring.

Wherein, the bottom plate is an arc-shaped plate, and the axis of the bottom plate is parallel to the axis of the cylindrical filter screen; the sewage discharge mechanism also includes a spiral chip removal shaft, which is installed on the first side wall, and the spiral chip removal shaft Projects into the tray through the collar and is surrounded by the bottom plate.

Wherein, the two side panels are formed by extending away from each other.

Wherein, the first cleaning part includes a cross bar, a connecting rod and brushes, the cross bar is fixed to the side plate through the connecting rod, the connecting rod is fixed to the end of the side plate away from the stud, and the cross bar is equipped with a plurality of brushes.

Wherein, the second cleaning part includes a spray bar and a spray head, the spray bar is fixed to the box and arranged parallel to the axis of the cylindrical filter, and the spray bar is provided with a plurality of spray heads.

Wherein, the drum filter also includes a liquid level sensor, the liquid level sensor includes a first sensor and a second sensor, the height of the first sensor is higher than the height of the second sensor; The sensor is connected to the sewage mechanism and located in the cylinder filter, and the second sensor is connected to the box body.

Wherein, the drum type filter also includes a water inlet pipe, and the water inlet pipe extends into the cylindrical filter screen through the water inlet.

Beneficial effects of the utility model: dirty liquid such as coolant to be treated enters the cylinder filter screen, solid debris in the coolant is separated by the cylinder filter screen, clean cutting fluid flows into the box and is discharged through the box The cleaning mechanism cleans the sundries attached to the inner wall of the cylindrical filter to the sewage discharge mechanism and discharges them through the sewage discharge mechanism; the utility model has a simple structure, and the cylindrical filter is easy to clean, without additional manual cleaning, convenient sewage discharge, and reduces the cost of sewage treatment .

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the three-dimensional structure schematic diagram of another angle of view of the present utility model;

Fig. 3 is the structural representation of the cylinder filter screen of the present utility model;

Fig. 4 is the assembly structure schematic diagram of the present utility model;

FIG. 5 is a schematic structural view of the utility model without the second side wall.

Reference signs include:

1—box 10—bottom wall 11—first side wall

12—second side wall 13—third side wall 14—fourth side wall

15—support wheel 16—fixed frame 17—first mounting frame

18—second mounting frame 2—cylindrical filter screen 20—annular side wall

21—circular side wall 22—lug 3—drive mechanism

30—motor 31—driving wheel 32—driven wheel

40—tray 401—bottom plate 402—side plate

403—baffle plate 404—column 405—collar

41—spiral chip removal shaft 50—cross bar 51—connecting rod

52—spray bar 6—inlet pipe 71—first sensor

72—second sensor.

detailed description

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and accompanying drawings 1 to 5, and the content mentioned in the embodiment is not a limitation of the utility model.

Please refer to Fig. 1, Fig. 2 and Fig. 5, a kind of drum type filter of the present utility model comprises box body 1, cylindrical filter screen 2, drive mechanism 3, cleaning mechanism and blowdown mechanism, and the cutting Dirty liquid such as liquid enters the cylindrical filter 2, the driving mechanism 3 drives the cylindrical filter 2 to rotate, the cutting fluid is filtered by the cylindrical filter 2 and then enters the box 1, and the box 1 is provided with a water outlet for To discharge the cutting fluid, when the cylindrical filter 2 needs to be cleaned, the cleaning mechanism will remove the debris attached to the inner wall of the cylindrical filter 2, and the cleaned debris will fall into the sewage discharge mechanism, and the waste will be discharged through the sewage discharge mechanism. Drum filter described above.

The box body 1 is roughly in the shape of a hollow cuboid. The box body 1 includes a bottom wall 10, a first side wall 11 and a second side wall 12 extending upward from both sides of the bottom wall 10, and respectively upward from the other two sides of the bottom wall 10. The extended third side wall 13, the fourth side wall 14, the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14 are connected to each other, and the opening opposite to the bottom wall 10 passes through The opening is installed with other components in the box body 1. Of course, those skilled in the art can install an upper cover on the opening as required, and the water outlet can be arranged on the bottom wall 10, the first side wall 11, and the second side wall 12 as required. , on the third side wall 13 or the fourth side wall 14 .

The first side wall 11 and the second side wall 12 have substantially the same shape, and the first side wall 11 and the second side wall 12 are respectively provided with through holes. Preferably, the through holes are located in the first side wall 11 and the second side wall 12 The upper part makes the box body 1 at the lower part of the through hole have a larger accommodation space. The first side wall 11 and the second side wall 12 are equipped with two supporting wheels 15 that can rotate respectively, and the two supporting wheels 15 are all located below the through hole; the first side wall 11 and the second side wall 12 are respectively equipped with a fixed frame 16. The fixing frame 16 is located below the support wheel 15, and the fixing frame 16 extends upward from the first side wall 11 and the second side wall 12. The second side wall 12 is further equipped with a first installation frame 17 , and the first side wall 11 is also equipped with a second installation frame 18 .

Please refer to Fig. 3, the main body shape of the cylindrical filter screen 2 is cylindrical, and the cylindrical filter screen 2 is made of stainless steel. According to the size of the solid particles to be filtered, the mesh number of the cylindrical filter screen 2 can be freely selected. The weaving method of the cylindrical filter screen 2 can adopt common plain weave, twill weave or dense weave.

The cylindrical filter screen 2 includes an annular side wall 20 and a circular side wall 21 encapsulated at both ends of the annular side wall 20. Each circular side wall 21 is provided with a protruding lug 22, and the two lugs 22 face each other. Extending away from the direction, one of the lugs 22 is provided with a water inlet connected to the inside of the cylindrical filter 2, and the other lug 22 is provided with a sewage outlet connected to the inside of the cylindrical filter 2, each lug 22 Through the through hole and supported on the two supporting wheels 15, the cylindrical filter screen 2 is installed inside the box body 1 .

2 and 4, the drive mechanism 3 is fixed on the first mounting frame 17, the drive mechanism 3 is connected to the cylindrical filter screen 2 and drives the cylindrical filter screen 2 to rotate in the box body 1, of course, the drive Mechanism 3 also can not be installed on the box body 1, for example, driving mechanism 3 is installed on the ground, drives cylinder filter screen 2 to rotate by chain or conveyor belt.

The driving mechanism 3 includes a motor 30 and a gear set. The gear set includes a driving wheel 31 and a driven wheel 32 meshed with the driving wheel 31. The output shaft of the motor 30 is connected to the driving wheel 31. The driven wheel 32 can be fixed on the lug by welding or the like. 22, as required, a speed reducer can also be added between the motor 30 and the gear set. At this time, the output shaft of the motor 30 is connected to the speed reducer, and the output shaft of the speed reducer is connected to the driving wheel 31.

Please refer to Fig. 4 and shown in Fig. 5, described blowdown mechanism is installed in box body 1 and is positioned at the inside of cylindrical filter screen 2, and blowdown mechanism is connected to the outside of box body 1 through blowdown outlet, and blowdown mechanism includes tray 40, and tray 40 The tray 40 includes a bottom plate 401, side plates 402 extending upward from both sides of the bottom plate 401, and the two side plates 402 extend away from each other. In this way, the side plates 402 and The bottom plate 401 forms an included angle, and solid debris falling on the side plate 402 automatically slides down to the bottom plate 401 under the action of gravity.

The other two sides of the tray 40 are baffles 403 extending upwards respectively, the baffles 403 are connected to the ends of the side panels 402, one of the baffles 403 is provided with a protruding post 404, and the protruding post 404 passes through the water inlet protrudes out and is fixed on the fixing frame 16 of the second side wall 12; the other baffle plate 403 is provided with a collar 405 protruding outwards, and the collar 405 communicates with the storage tank inside the tray 40, and the collar 405 passes through the sewage discharge The opening protrudes and is fixed on the fixing frame 16 of the first side wall 11; the tray 40 is fixed on the box body 1 to ensure that when the cylindrical filter screen 2 rotates, the tray 40 is fixed, so that the cylindrical filter screen 2. The debris attached to the inner wall falls into the tray 40 and is discharged from the cylindrical filter 2.

The bottom plate 401 is a plane inclined plate, and the height between the end of the bottom plate 401 close to the stud 404 and the bottom wall 10 is greater than the height between the end of the bottom plate 401 close to the collar 405 and the bottom wall 10, so as to ensure that it falls into the storage slot of the tray 40 The fixed sundries inside are automatically discharged from the cylindrical filter screen 2 under the action of gravity.

The bottom plate 401 can also be an arc-shaped plate. At this time, the axis of the bottom plate 401 is parallel to the axis of the cylindrical filter screen 2. The sewage discharge mechanism also includes a spiral chip removal shaft 41, and the spiral chip removal shaft 41 is installed on the first side wall 11 on the second mounting bracket 18, the spiral chip removal shaft 41 extends into the tray 40 through the collar 405 and is surrounded by the bottom plate 401, the spiral chip removal shaft 41 is connected with a motor (not shown), and the motor drives the screw chip removal shaft 41 Rotate, of course, the spiral chip removal shaft 41 also can not be fixed on the casing 1, for example, the spiral chip removal shaft 41 is fixed on the object outside the described drum type filter, and the spiral chip removal shaft 41 is stretched into through the sewage outlet The tray 40 is surrounded by the bottom plate 401 .

Please refer to Figure 5, the cleaning mechanism includes a first cleaning part and a second cleaning part, the first cleaning part is installed in the sewage discharge mechanism and is located inside the cylindrical filter screen 2, and the first cleaning part includes a cross bar 50 , connecting rod 51 and hair brush (not shown), the cross bar 50 is fixed on the side plate 402 by the connecting rod 51, the connecting rod 51 is fixed on the end of the side plate 402 away from the bottom plate 401, and the cross bar 50 is equipped with a plurality of The hair brush, preferably, the hair brush is a stainless steel wire brush.

The second cleaning part is installed on the box body 1 and is located outside the cylindrical filter screen 2. The second cleaning part includes a spray rod 52 and a spray head. The axes are arranged in parallel, and the spray bar 52 is provided with a plurality of spray heads (not shown), and the spray bar 52 is connected with a compressed air cylinder, at this time, the spray head sprays out compressed gas to blow off the solid debris attached to the cylindrical filter 2 to the tray 40 Middle; the spray rod 52 can also be connected to a water pump. At this time, the nozzle sprays water to rinse the cylindrical filter 2, and the solid debris on the cylindrical filter 2 flows to the tray 40 with the water. Of course, the nozzle can also spray other liquids for washing Cylindrical filter.

The drum filter also includes a water inlet pipe 6, one end of the water inlet pipe 6 extends into the cylindrical filter screen 2 through the water inlet, and the other end of the water inlet pipe 6 is connected to the cooling liquid to be treated, when the cooling liquid needs to be filtered During processing, the coolant to be treated flows into the cylinder filter 2 through the pump, and is filtered by the cylinder filter 2, and the clean coolant flows into the box 1, and the solid debris in the coolant is isolated in the cylinder filter 2 Inside.

The drum filter also includes a liquid level sensor, the liquid level sensor includes a first sensor 71 and a second sensor 72, the height of the first sensor 71 is higher than the height of the second sensor 72, The first inductor 71 is connected to the lower end of the tray 40 and is located in the cylindrical filter screen 2, and the second inductor 72 is connected to the box body 1, such as the first side wall 11 or the second side wall 12, when the box body 1 When the liquid level is higher than the first sensor 71, the water pump pumps out the cooling liquid through the water outlet on the tank 1; when the liquid level in the tank 1 is lower than the second sensor 72, the water pump stops working.

The working process of the drum filter of the utility model is as follows:

The cylinder filter 2 of the rotary drum filter adopts stainless steel filter as the filter layer, and the dirty liquid such as coolant that needs to be filtered enters the cylinder filter 2 from the water inlet, and the coolant automatically passes through the filter due to the gravity of the liquid itself. In addition to solid debris, the cylindrical filter screen 2 is driven by the motor 30 to rotate in a circle. After the coolant enters the cylindrical filter screen 2, it flows with the rotation of the filter screen itself, thereby achieving the largest contact area with the filter screen and cooling The fixed debris in the liquid is adsorbed on the inner surface of the filter screen, and the clean cooling liquid flows out from the outside of the cylindrical filter screen 2 into the box body 1.

The solid debris on the inner surface of the cylindrical filter screen 2 is brushed onto the tray 40 by the brush of the first cleaning part; there are also multiple nozzles on the outer side of the cylindrical filter screen 2, and the power used by the nozzles is compressed air or water. Waiting for the liquid, the nozzle blows from the outside of the cylindrical filter 2 to blow all the solid debris adhering to the inner surface of the cylindrical filter 2 onto the tray 40, so that the start of the nozzle can follow the movement of the cylindrical filter 2. Rotate to turn on, or set a time interval to start the nozzle regularly.

After the solid debris falls into the tray 40, it will be automatically discharged along with the designed slope of the tray 40, or discharged through the spiral chip removal shaft 41, and the spiral chip removal shaft 41 will discharge the solid debris into the waste chip box to realize the whole filtration process. Work.

The drum filter is also provided with a liquid level sensor. When the liquid level in the tank 1 is higher than the first sensor 71, the water pump will pump out the coolant through the water outlet on the tank 1; when the tank 1 When the liquid level in 1 is lower than the second sensor 72, the water pump stops working; this makes the whole work of the drum filter automatic without manual operation.

To sum up, it can be seen that the utility model has the above-mentioned excellent characteristics, so that it can improve the performance that is not available in the prior art in use, and has practicality, and becomes a product with great practical value.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (10)

1. a drum type filteration device, comprises casing, cylinder leaching net, driving mechanism, wiper mechanism and pollution discharge mechanism, it is characterized in that: casing is provided with delivery port, and cylinder leaching net is installed in casing, and cylinder leaching net is provided with water inlet; Driving mechanism is connected to cylinder leaching net, and driving mechanism drives cylinder leaching net to rotate in casing; Be installed on the pollution discharge mechanism of casing, pollution discharge mechanism is positioned at cylinder leaching net, and cylinder leaching net is provided with sewage draining exit, and pollution discharge mechanism is communicated to outside casing by sewage draining exit; Wiper mechanism comprises the first cleaning part and the second cleaning part, and the first cleaning part is installed on pollution discharge mechanism and is positioned at the inside of cylinder leaching net, and the second cleaning part is installed on casing and is positioned at the outside of cylinder leaching net.

2. drum type filteration device according to claim 1, it is characterized in that: described casing comprises the first side wall and the second sidewall that are oppositely arranged, the first side wall and the second sidewall offer through hole respectively, the first side wall and the second sidewall are all equiped with rotary two support wheels, and support wheel is positioned at below through hole; Described cylinder leaching net comprises cylindrical shell and lug, lug forms towards direction projection away from each other respectively from cylindrical shell two ends, lug is supported in support wheel through through hole, and a lug is provided with the water inlet be communicated in cylinder leaching net, and another lug is provided with the sewage draining exit being communicated in cylinder leaching net.

3. drum type filteration device according to claim 2, is characterized in that: described driving mechanism comprises motor and gear train, the driven pulley that gear train comprises driving wheel and engages with driving wheel, and driving wheel is connected to the output shaft of motor, and driven pulley is connected to lug.

4. drum type filteration device according to claim 2, is characterized in that: described pollution discharge mechanism comprises pallet, and described pallet comprises base plate, the side plate from base plate both sides respectively to upper extension, the baffle plate from the other both sides of base plate respectively to upper extension; Wherein a baffle plate is provided with the protruded stigma of outside projection, and protruded stigma is gone out by water inlet projection, and another baffle plate is provided with the collar of outside projection, and the collar is gone out by sewage draining exit projection; Base plate is hang plate, base plate near one end of protruded stigma higher than base plate one end near the collar; The first side wall and the second sidewall are respectively equipped with the fixed mount upwards extended, and wherein a fixed mount is fixed on protruded stigma, and another fixed mount is fixed on the collar.

5. drum type filteration device according to claim 4, is characterized in that: described base plate is arc, the axis of base plate and the axis being parallel of cylinder leaching net; Described pollution discharge mechanism also comprises debris axle, and debris axle is installed on described the first side wall, debris axle to be stretched in pallet by the collar and by base plate around.

6. drum type filteration device according to claim 5, is characterized in that: side plate described in two forms towards direction extension away from each other.

7. drum type filteration device according to claim 6, is characterized in that: described first cleaning part comprises cross bar, connecting rod and hairbrush, and cross bar is fixed on side plate by connecting rod, and connecting rod is fixed on side plate one end away from protruded stigma, and cross bar is equiped with multiple hairbrush.

8. drum type filteration device according to claim 1, is characterized in that: described second cleaning part comprises spray boom and shower nozzle, and spray boom is fixed on casing and arranges with the axis being parallel of cylinder leaching net, and spray boom is provided with multiple shower nozzle.

9. drum type filteration device according to claim 1, is characterized in that: described drum type filteration device also comprises level sensor, and described level sensor comprises the first inductor and the second inductor, and the height of the first inductor is higher than the height of the second inductor; First inductor is connected to pollution discharge mechanism and is positioned at cylinder leaching net, and the second inductor is connected to casing.

10. drum type filteration device according to claim 1, is characterized in that: described drum type filteration device also comprises water inlet pipe, and water inlet pipe is stretched in cylinder leaching net by water inlet.