CN219023520U - Water filtering device for industrial sewage - Google Patents

Abstract

The utility model provides a water filtering device for industrial sewage, which belongs to the technical field of water filtering devices and comprises a shell, a fixed filter screen body, a rotary filter screen body and a rotating device, wherein a cavity is formed in the shell, the fixed filter screen body is fixedly arranged in the cavity in the shell, the rotary filter screen body is also arranged in the cavity in the shell and is nested in the fixed filter screen body, the rotary filter screen body can rotate along the central axis of the shell, the rotating device is arranged above the shell and is connected with the rotary filter screen body, and the rotating device drives the rotary filter screen body to rotate.

Description

Water filtering device for industrial sewage

Technical Field

The utility model belongs to the technical field of water filtering devices, and particularly relates to a water filtering device for industrial sewage.

Background

The water filter is mainly suitable for pipelines with the pipe diameter of below 500mm, so that the secondary filter screen can be replaced, the expenditure is saved, and the water filter is used for filtering impurities in pipeline water and the like.

When the industrial sewage is filtered, as a part of industrial sewage contains a large amount of sediment and sand and stone particles with larger diameters, the common water filtering device is used, sewage enters the water filtering device from the water inlet at the lower part, the sewage is filtered by the filter screen in the water filtering device, and filtered water is discharged from the water outlet.

Disclosure of Invention

Based on the above, the utility model provides a water filtering device for industrial sewage, which solves the technical problems that when the water filtering device encounters sewage containing a large amount of sediment and sand particles in the prior art, a filter screen in the water filtering device cannot timely filter the sediment and sand particles with larger diameters, so that the sediment and sand particles flow back, are accumulated near a water inlet, and when the time is long, the numerical value of a pressure gauge at the water inlet can rise rapidly, and the staff needs to discharge sewage frequently.

The technical scheme for solving the technical problems is as follows:

the utility model provides a water filter for industrial sewage, includes casing, fixed filter screen body, rotates filter screen body and rotating device, the inside cavity that has of casing, fixed filter screen body is fixed to be set up in the inside cavity of casing, rotate the filter screen body also to set up in the inside cavity of casing, and the nestification is in the inside of fixed filter screen body, rotate the filter screen body can be followed the casing axis rotates, rotating device sets up the casing top, and with rotate the filter screen body and be connected, rotating device drives rotate the filter screen body rotates, the casing includes barrel, upper cover and lower closing cap, be provided with the liquid outlet on the barrel, the upper cover sets up on the barrel up end, the upper cover with rotating device connects, be provided with on the upper cover the inlet, the lower closing cap sets up on the barrel lower terminal surface, be provided with the drain on the lower closing cap, be provided with a plurality of first sieve holes on the surface of rotating the filter screen body, be provided with the second sieve hole on the fixed filter screen body.

Preferably, the fixed filter screen body comprises a filter screen cylinder, a partition plate and a liquid outlet screen plate, the filter screen cylinder is arranged in the cavity inside the shell, the partition plate is vertically arranged on the inner wall of the filter screen cylinder, and the liquid outlet screen plate is arranged on the inner wall of the filter screen cylinder and is positioned on the upper end face of the partition plate.

Preferably, the number of the partition plates is N, and N is more than or equal to 2.

Preferably, the liquid outlet screen plate comprises a ring sleeve, a ring plate and a connecting rod, wherein the ring sleeve is sleeved on the outer wall of the rotary filter screen body, the ring plate is sleeved on the inner wall of the filter screen cylinder and positioned on the upper end face of the partition plate, a third sieve hole is formed in the ring plate, one end of the connecting rod is connected with the ring sleeve, and the other end of the connecting rod is connected with the ring plate.

Preferably, the rotary filter screen body is further provided with a first bearing and a second bearing, the first bearing is arranged on the upper end face of the rotary filter screen body, the first bearing is fixedly connected with the upper sealing cover, the second bearing is arranged on the lower end face of the rotary filter screen body, and the second bearing is fixedly connected with the lower sealing cover.

Preferably, the rotating device comprises a rotating motor and a rotating shaft, the rotating motor is fixedly arranged on the upper sealing cover, one end of the rotating shaft is connected with the rotating motor, and the other end of the rotating shaft is connected with the rotating filter screen body.

Preferably, the upper sealing cover is further provided with a flushing pipe, and the flushing pipe extends into the cavity inside the shell and is located above the fixed filter screen body.

Preferably, the drain outlet comprises a first drain outlet and a second drain outlet, the first drain outlet is communicated with the rotary filter screen body, and the second drain outlet is communicated with the cavity inside the shell.

Preferably, the lower sealing cover further comprises a first drain valve and a second drain valve, the first drain valve is connected with the first drain outlet, and the second drain valve is connected with the second drain outlet.

Preferably, the upper sealing cover is further provided with a first clamping plate, when the upper sealing cover is in close contact with the upper end face of the cylinder body, the first clamping plate is in close contact with the upper end face of the fixed filter screen body, the lower sealing cover is further provided with a second clamping plate, and when the lower sealing cover is in close contact with the lower end face of the cylinder body, the second clamping plate is in close contact with the lower end face of the fixed filter screen body.

Compared with the prior art, the utility model has at least the following advantages:

the utility model provides a filter water installation for industrial sewage adopts secondary filtration's mode, has improved the filter effect to industrial sewage, has avoided industrial sewage to cause gravel and sand granule backward flow because the blowdown is untimely, gathers near the inlet or blocks up the inlet, simultaneously, silt can deposit in the casing bottom, can persist more silt, and the manual work can regularly blowdown, and consuming time and consuming power are less.

Drawings

FIG. 1 is a sectional view of a water filtering apparatus for industrial sewage.

Fig. 2 is a front view of a water filtering device for industrial sewage.

Fig. 3 is a cross-sectional view of a rotary screen body.

Fig. 4 is a cross-sectional view of a stationary screen body.

Fig. 5 is an isometric view of a liquid discharge screen.

Fig. 6 is an isometric view of the upper cover.

Fig. 7 is an isometric view of the lower cover.

In the figure: the casing 10, the cylinder 110, the liquid outlet 111, the upper cover 120, the liquid inlet 121, the flushing pipe 122, the first clamping plate 123, the lower cover 130, the drain 131, the first drain 1311, the second drain 1312, the first drain valve 1313, the second drain valve 1314, the second clamping plate 132, the fixed screen body 20, the second screen holes 210, the screen cylinder 220, the partition 230, the liquid outlet screen plate 240, the collar 241, the collar 242, the third screen holes 2421, the connecting rod 243, the rotary screen body 30, the first screen holes 310, the first bearing 320, the second bearing 330, the rotating device 40, the rotary motor 410, and the rotary shaft 420.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The technical solution of the present utility model will be further described below with reference to the accompanying drawings of the embodiments of the present utility model, and the present utility model is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., that indicate an azimuth or a positional relationship based on the directions or the positional relationships shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limitations of the present patent, and that the specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1 and 2, a water filtering device for industrial sewage includes a housing 10, a fixed filter screen body 20, a rotary filter screen body 30 and a rotating device 40, a cavity is stored in the housing 10, the fixed filter screen body 20 is fixedly disposed in the cavity in the housing 10, the rotary filter screen body 30 is also disposed in the cavity in the housing 10 and is nested in the fixed filter screen body 20, the rotary filter screen body 30 can rotate along a central axis of the housing 10, the rotating device 40 is disposed above the housing 10 and is connected with the rotary filter screen body 30, the rotating device 40 drives the rotary filter screen body 30 to rotate, the housing 10 includes a cylinder 110, an upper cover 120 and a lower cover 130, a liquid outlet 111 is disposed on the cylinder 110, the upper cover 120 is connected with the rotating device 40, a liquid inlet 121 is disposed on the upper cover 120, the lower cover 130 is disposed on the lower end face of the cylinder 110, a plurality of filter screens 310 are disposed on the lower cover 130, and a plurality of filter screens 310 are disposed on the first filter screen body and a plurality of filter screens are disposed on the surface of the second filter screen.

The working principle of the water filtering device for industrial sewage is as follows: the industrial sewage containing more silt and sand particles with larger diameter enters the rotary filter screen body 30 from the liquid inlet 121 arranged on the upper sealing cover 120, the rotary device 40 rotates to drive the rotary filter screen body 30 to rotate, the rotary filter screen body 30 drives the industrial sewage to rotate in a spiral mode in the rotary filter screen body, the industrial sewage is discharged from the first sieve holes 310 under the action of centrifugal force and enters the cavity between the outer wall of the rotary filter screen body 30 and the inner wall of the fixed filter screen body 20, then the industrial sewage flows out from the second sieve holes 210 of the fixed filter screen body 20 and enters the cavity between the outer wall of the fixed filter screen body 20 and the inner wall of the shell 10, and finally the filtered industrial sewage is discharged from the liquid outlet 111.

The effect that water filter device for industrial sewage reached: after the industrial sewage enters the rotary filter screen body 30 (see fig. 3), the rotary filter screen body 30 rotates to drive the industrial sewage inside to rotate, water flows out from the first sieve opening 310 of the rotary filter screen body 30 under the action of centrifugal force, sand particles with larger diameters in the industrial sewage can stay in the center and the lower bottom of the industrial sewage in a rotating state, the first sieve opening 310 also can block the sand particles with larger diameters from being discharged from the inside of the rotary filter screen body 30 by the centrifugal action, the effect of filtering the industrial sewage for the first time is achieved, meanwhile, when part of the sand particles block the first sieve opening 310, the rotating industrial sewage can impact the sand particles blocked on the first sieve opening 310 under the action of centrifugal force, then, the industrial sewage after the first filtering flowing out from the first sieve opening 310 is subjected to the action of centrifugal force, the water flow has a certain speed and can be beaten on the inner wall of the fixed filter screen body 20 (see fig. 4), fine sediment in the industrial sewage has adhesion, when the industrial sewage contacts with the inner wall of the fixed filter screen body 20, and the fine sediment in the industrial sewage can be discharged from the fixed filter screen body after the industrial sewage reaches the first filtering effect of the fixed filter screen 111; because industrial sewage gets into from the last top of casing 10 the inside of rotating filter screen body 30, the great gravel and sand granule of diameter receives the influence of gravity, can be towards casing 10 bottom deposit, avoided gravel and sand granule backward flow, do not gather or block up inlet 121, with industrial sewage filters the back for a certain time, open earlier drain 131, discharge the silt and the gravel and sand granule that casing 10 bottom was deposited, close drain 131 again, let in industrial sewage, increase rotating device 40 rotational speed, drive rotating filter screen body 30 high-speed rotation, the inside industrial sewage of rotating filter screen body 30 rotates fast, and rivers can produce great centrifugal force, follow the industrial sewage velocity of flow that first sieve mesh 310 was gone out can increase, beat on the inner wall of fixed filter screen body 20, can with the silt that adheres on the fixed filter screen body 20 is washed off, sink to casing 10 bottom, open again the drain valve, discharge the silt after filtering, an industrial sewage adopts secondary filtration's mode for filter device, has improved the filter effect to industrial sewage, has avoided the silt to gather in time-consuming time near the inlet 121, can be in time spent in time because of the back flow of silt is less.

Further, referring to fig. 4 and 5, the fixed filter body 20 includes a filter cylinder 220, a partition 230, and a liquid outlet screen 240, the filter cylinder 110 is disposed in the cavity of the housing 10, the partition 230 is vertically disposed on the inner wall of the filter cylinder 220, and the liquid outlet screen 240 is disposed on the inner wall of the filter cylinder 220 and located on the upper end surface of the partition 230. The partition 230 is in a flat strip shape and is fixed perpendicular to the filter screen cylinder 220 or at a certain angle, the industrial sewage flowing out of the first sieve opening 310 is beaten on the filter screen cylinder 220 and the partition 230, the partition 230 not only increases the surface area of the filter screen cylinder 220, but also can enable more sediment in the industrial sewage to adhere on the filter screen cylinder 220 and the partition 230, the partition 230 can also block the speed of the industrial sewage flowing out of the first sieve opening 310, the industrial sewage then flows out of the liquid outlet sieve plate 240, the liquid outlet sieve plate 240 again plays a role in filtering the industrial sewage, the water outlet on the filter screen cylinder 220 is arranged above the liquid outlet sieve plate 240, and the industrial sewage flowing out of the liquid outlet sieve plate 240 finally flows out of the water outlet on the filter screen cylinder 220.

Specifically, the number of the partition boards 230 is N, N is more than or equal to 2, and generally the number of the partition boards 230 is 8, and the partition boards 230 are uniformly distributed on the inner wall of the screen cylinder, so that the surface area of the inner wall of the screen cylinder can be increased, more silt can be easily adhered to the inner wall of the screen cylinder and the partition boards 230, and the removal of silt in industrial sewage is facilitated.

Still further, referring to fig. 5, the liquid outlet screen plate 240 includes a ring cover 241, a ring plate 242 and a connecting rod 243, wherein the ring cover 241 is sleeved on the outer wall of the rotary filter screen body 30, the ring plate 242 is sleeved on the inner wall of the filter screen cylinder 220 and is located on the upper end surface of the partition plate 230, a third sieve opening 2421 is formed in the ring plate 242, one end of the connecting rod 243 is connected with the ring cover 241, and the other end is connected with the ring plate 242. The ring cover 241 plays a limiting role, is convenient for the rotation filter screen body 30 can be steady in the rotation process, prevents the rotation filter screen body 30 takes place to rock, the ring plate 242 plays the effect of separating the cavity between the fixed filter screen body 20 inner wall and the rotation filter screen body 30 outer wall, and is divided into upper strata and lower floor, and the industrial sewage that contains more silt is in the lower floor, through after the filtration of third sieve mesh 2421, industrial sewage is by the lower floor upwards, from last delivery port on the filter screen drum 220 flows.

Specifically, the liquid outlet screen 240 further includes a pressure sensor, and when the pressure in the casing 10 rises to a certain height, the pressure sensor is triggered to remind the worker that the first screen hole 310 is blocked by sand and stone with larger particles due to forgetting to time and discharge.

As a further description, referring to fig. 3, the rotary filter body 30 is further provided with a first bearing 320 and a second bearing 330, the first bearing 320 is disposed on an upper end surface of the rotary filter body 30, the first bearing 320 is fixedly connected with the upper cover 120, the second bearing 330 is disposed on a lower end surface of the rotary filter body 30, and the second bearing 330 is fixedly connected with the lower cover 130. Specifically, the first bearing 320 is provided with a sleeve, the sleeve is used as a liquid inlet channel, the sleeve is fixedly connected with the liquid inlet 121 of the upper sealing cover 120, the first bearing 320 is also connected with the rotary filter screen body 30, the second bearing 330 is also provided with a sleeve, the sleeve is used as a dirt outlet channel, the sleeve is fixedly connected with the dirt outlet of the lower sealing cover 130, the second bearing 330 is also connected with the rotary filter screen body 30, and the rotary filter screen body 30 is clamped between the first bearing 320 and the second bearing 330, so that the rotary filter screen body 30 can rotate along the central axis of the first bearing 320 or the central axis of the second bearing 330.

Further, the rotating device 40 includes a rotating motor 410 and a rotating shaft 420, the rotating motor 410 is fixedly disposed on the upper cover 120, one end of the rotating shaft 420 is connected to the rotating motor 410, and the other end is connected to the rotating filter body 30. The rotation motor 410 moves to drive the rotation shaft 420 to move, and the rotation shaft 420 is connected with the rotation screen body 30 between the first bearing 320 and the second bearing 330 to drive the rotation screen body 30 to rotate. The rotation speed of the rotation motor 410 can be adjusted, and is slow when the industrial sewage is filtered, and is fast when the sediment in the shell 10 is discharged.

Further, referring to fig. 6, a flushing pipe 122 is further disposed on the upper cover 120, and the flushing pipe 122 extends into the cavity inside the housing 10 and is located above the fixed filter screen 20. The front end of the flushing pipe 122 is provided with a high-pressure spray header, when the sewage is discharged from the cavity inside the shell 10, the flushing pipe 122 is opened, clean water is introduced into the flushing pipe 122, the sediment adhered on the inner wall of the fixed filter screen body 20 is flushed by using the clean water, and particularly, the front section of the flushing pipe 122 is provided with the high-pressure spray header, so that the sediment adhered on the inner wall of the fixed filter screen body 20 is conveniently and rapidly flushed.

In further detail, referring to fig. 7, the drain 131 includes a first drain 1311 and a second drain 1312, the first drain 1311 communicates with the rotary filter body 30, and the second drain 1312 communicates with the cavity inside the housing 10. From the great sand and stones of diameter granule of rotation filter screen body 30 first time filtering can deposit the lower bottom of rotation filter screen body 30, and the lower bottom of rotation filter screen body 30 can with first drain 1311 intercommunication, first drain 1311 is used for discharging the great sand and stones of granule diameter, the silt that adheres on the inner wall of fixed filter screen body 20 can assemble through washing the lower bottom of casing 10, the lower bottom of casing 10 with second drain 1312 communicates, second drain 1312 is used for discharging silt.

Further, the lower cover 130 further includes a first drain valve 1313 and a second drain valve 1314, where the first drain valve 1313 is connected to the first drain port 1311, and the second drain valve 1314 is connected to the second drain port 1312. The first drain valve 1313 and the second drain valve 1314 are used to control the opening and closing of the first drain valve 1313 and the second drain 1312.

Further, a first clamping plate 123 is further disposed on the upper cover 120, when the upper cover 120 is in contact with the upper end surface of the cylinder 110, the first clamping plate 123 is in contact with the upper end surface of the fixed filter screen body 20, a second clamping plate 132 is further disposed on the lower cover 130, when the lower cover 130 is in contact with the lower end surface of the cylinder 110, the second clamping plate 132 is in contact with the lower end surface of the fixed filter screen body 20. The first clamping plate 123 and the second clamping plate 132 are used for clamping the fixed filter screen body 20, so as to prevent the fixed filter screen body 20 from shaking in the housing 10.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a water filter for industrial sewage, its characterized in that includes casing, fixed filter screen body, rotates filter screen body and rotating device, the inside cavity that has of casing, fixed filter screen body is fixed to be set up in the inside cavity of casing, rotate the filter screen body and also set up in the inside cavity of casing, and the nestification is in the inside of fixed filter screen body, rotate the filter screen body can be followed the casing axis rotates, rotating device sets up the casing top, and with rotate the filter screen body and be connected, rotating device drives rotate the filter screen body rotates, the casing includes barrel, upper cover and lower closing cap, be provided with the liquid outlet on the barrel, the upper cover sets up on the barrel up end, the upper cover with rotating device is connected, be provided with the inlet on the upper cover, the lower closing cap sets up on the barrel down on the terminal surface, be provided with the drain on the sieve mesh of rotating the filter screen body, be provided with a plurality of first filter screens on the sieve surface of fixed body.

2. The apparatus according to claim 1, wherein the fixed filter screen body comprises a filter screen cylinder, a partition plate and a liquid outlet screen plate, the filter screen cylinder is disposed in the cavity inside the housing, the partition plate is vertically disposed on the inner wall of the filter screen cylinder, and the liquid outlet screen plate is disposed on the inner wall of the filter screen cylinder and located on the upper end face of the partition plate.

3. The apparatus of claim 2, wherein the number of baffles is greater than or equal to 2.

4. The water filtering device for industrial sewage as claimed in claim 2, wherein the liquid outlet screen plate comprises a ring sleeve, a ring plate and a connecting rod, the ring sleeve is sleeved on the outer wall of the rotary filter screen body, the ring plate is sleeved on the inner wall of the filter screen cylinder and is positioned on the upper end face of the partition plate, a third sieve hole is formed in the ring plate, one end of the connecting rod is connected with the ring sleeve, and the other end of the connecting rod is connected with the ring plate.

5. The water filtering device for industrial sewage according to claim 1, wherein a first bearing and a second bearing are further arranged on the rotary filter screen body, the first bearing is arranged on the upper end face of the rotary filter screen body and is fixedly connected with the upper sealing cover, the second bearing is arranged on the lower end face of the rotary filter screen body, and the second bearing is fixedly connected with the lower sealing cover.

6. The apparatus of claim 1, wherein the rotating means comprises a rotating motor and a rotating shaft, the rotating motor is fixedly disposed on the upper cover, one end of the rotating shaft is connected to the rotating motor, and the other end is connected to the rotating filter screen body.

7. The apparatus of claim 1, wherein the upper cover is further provided with a flush tube extending into the interior cavity of the housing and above the fixed screen body.

8. The water filter device for industrial wastewater as claimed in claim 1, wherein the drain comprises a first drain and a second drain, the first drain being in communication with the rotary screen body, the second drain being in communication with the housing interior cavity.

9. The apparatus of claim 8, wherein the lower cover further comprises a first drain valve and a second drain valve, the first drain valve being connected to the first drain port, the second drain valve being connected to the second drain port.

10. The industrial sewage filter device according to claim 1, wherein the upper cover is further provided with a first clamping plate, when the upper cover is attached to the upper end face of the cylinder, the first clamping plate is attached to the upper end face of the fixed filter screen body, the lower cover is further provided with a second clamping plate, and when the lower cover is attached to the lower end face of the cylinder, the second clamping plate is attached to the lower end face of the fixed filter screen body.

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