CN212403561U

CN212403561U - Fiber rotary disc filter

Info

Publication number: CN212403561U
Application number: CN202021001663.2U
Authority: CN
Inventors: 陈文�
Original assignee: Chongqing Volik Environmental Protection Equipment Co ltd
Current assignee: Chongqing Volik Environmental Protection Equipment Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-01-26
Anticipated expiration: 2030-06-04

Abstract

The utility model adopts a fiber rotary disc filter, which comprises a tank body and a control unit, wherein a liquid level detector connected with the control unit is arranged in the tank body, a filtering device for filtering sewage is arranged in the tank body, and an oil stain collecting mechanism is arranged above the filtering device in the tank body; the oil stain collecting mechanism comprises a rotating roller which is erected in the tank body and is rotationally connected with the tank body, the rotating roller is provided with a felt adsorption layer, the rotating roller is also provided with an oil collecting tank which is matched with the rotating roller along the length direction of the rotating roller, one side wall of the oil collecting tank is arranged in contact with the felt adsorption layer, the oil collecting tank is communicated with a drain pipe, the drain pipe is provided with a drain electromagnetic valve, and the drain electromagnetic valve is connected with the control unit; the utility model discloses the greasy dirt collection mechanism that sets up can be collected the greasy dirt that floats on the surface of water, detach the interior sewage of cell body and float greasy dirt on the surface, avoid piling up of the internal greasy dirt of cell body influence sewage quality of water, cause the corrupt problem of sewage, less sewage subsequent treatment degree of difficulty.

Description

Fiber rotary disc filter

Technical Field

The utility model belongs to filter field for sewage treatment, concretely relates to fibre carousel filter.

Background

The fiber rotary disc filter is used for the advanced treatment and recycling field of sewage, is often arranged in a conventional activated sludge process device, a Sequencing Batch Reactor (SBR) by an activated sludge process, an oxidation ditch, a trickling filter, an oxidation pond system and the like, upgrades and reforms an established sewage treatment plant, can make the effluent reach a sewage treatment level A standard from a sewage treatment level B standard, and realizes the following steps: removing suspended solids; adding a medicament to remove phosphorus in combination; removing heavy metals and the like.

The fiber rotary disc filter is important equipment in sewage treatment engineering, is commonly used for sewage advanced treatment to remove total suspended solids, and is key equipment for upgrading and transforming a sewage treatment plant.

The fiber rotary disc filter in the prior art comprises a tank body, a central cylinder and a plurality of fiber rotary discs, wherein the central cylinder is rotatably erected in the tank body, the fiber rotary discs are sleeved on the central cylinder and communicated with the central cylinder, the central cylinder is connected with a water outlet pipe, the tank body is connected with a water inlet pipe, a backwashing device matched with the fiber rotary discs for use is arranged in the tank body, and the central cylinder is further provided with a driving mechanism for driving the central cylinder to rotate.

When the fiber rotary disc filter is used: leading sewage to be treated into the tank body from the water inlet pipe, filtering the sewage through the fiber rotary table, leading the filtered water into the water outlet pipe along the central cylinder, and then leading the water out; because can adsorb mud gradually on the fibre filter layer on the fibre carousel and be blockked up, the water level in the pond body will rise after the fibre filter layer of fibre carousel is blockked up, rises to the backwash water level when the water level in the pond body, and the control unit of fibre carousel filter will send a signal, makes the work of backwash device carry out the backwash, inhales the mud that the fibre filter layer blockked up and takes off, ensures the effective filtration use of fibre carousel.

When the fiber rotary disc filter is used for treating oily wastewater, the density of an oil layer is less than that of water, the fiber rotary disc filter can float on the water surface, bacteria in the pool body can be easily bred for a long time, and subsequent sewage treatment work is not facilitated, so that the fiber rotary disc filter which can effectively remove oil stains on the surface of sewage in the pool body is necessary at present.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a fibre carousel filter has solved the problem that the interior showy oil reservoir of pond was unfavorable to be detached among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a fiber rotary disc filter comprises a pool body and a control unit, wherein a liquid level detector connected with the control unit is arranged in the pool body, a filtering device used for filtering sewage is arranged in the pool body, and an oil stain collecting mechanism is arranged above the filtering device in the pool body;

the oil stain collecting mechanism comprises a rotating roller which is erected in the tank body and is rotationally connected with the tank body, the rotating roller is provided with a felt adsorption layer, the rotating roller is also provided with an oil collecting tank which is matched with the rotating roller along the length direction of the rotating roller, one side wall of the oil collecting tank is arranged in contact with the felt adsorption layer, the oil collecting tank is communicated with a drain pipe, the drain pipe is provided with a drain electromagnetic valve, and the drain electromagnetic valve is connected with the control unit;

the rotary roller rotates under the action of the driving mechanism, the rotary roller rotates to drive the felt adsorption layer to rotate and be used for adsorbing oil stains on the surface of sewage, the felt adsorption layer adsorbing the oil stains rotates to the oil collecting tank, the oil stains adhered to the felt adsorption layer are scraped off through the side wall of the oil collecting tank, and the oil stains separated from the felt adsorption layer are led out of the tank body along with the sewage discharge pipe.

Further, the cell body is equipped with the settling basin that communicates with each other and sets up, and the settling basin intercommunication has the inlet tube that is used for leading-in sewage, and the settling basin bottom is hopper-shaped structure, and the settling basin bottom is equipped with the dredge pump, and the dredge pump is connected with the mud pipe.

Furthermore, the filtering device comprises a hollow central cylinder, a plurality of fiber turntables sleeved on the central cylinder and communicated with the central cylinder, and a water outlet pipe communicated with the central cylinder, wherein the central cylinder is erected on two mounting seats arranged in the tank body, the central cylinder is rotatably connected with the two mounting seats, a first driven gear is arranged on the central cylinder, the first driven gear is connected with a first driving gear through a first transmission chain, the first driving gear is connected with a coaxially arranged driving motor, and the driving motor is connected with the control unit.

Furthermore, the filtering device is also provided with a plurality of backwashing devices which are matched for use, each backwashing device is arranged between the two fiber rotating discs or is arranged close to the fiber rotating discs arranged at the end parts, each backwashing device comprises a backwashing pump, a backwashing valve and a backwashing pipe, the backwashing pipe is arranged in the tank body and is arranged close to any side surface of the fiber rotating discs, the backwashing valve is arranged on the backwashing pipe, and the backwashing valve is connected with the control unit.

Furthermore, the water outlet pipe is communicated with a water outlet chamber, and a steady flow baffle plate is arranged in the water outlet chamber.

Further, the driving mechanism comprises a rotating motor, a second driving gear coaxially arranged on the rotating motor, a second driven gear arranged on the rotating roller and a second transmission chain for connecting the first driving gear and the second driven gear.

The principle of the utility model is as follows: the fiber rotary disc filter has a filtering water level and a backwashing water level in the using process; the utility model discloses the height that the rotation cylinder that sets up matches with the filtration water level (the minimum height of rotation cylinder is slightly higher than the height of filtration water level in the pond), the greasy dirt layer that gets into the pond along with sewage at this moment will float on the surface of water, the rotation cylinder rotates under actuating mechanism's effect, the rotation cylinder rotates and drives the felt adsorbed layer and rotate and be used for adsorbing the greasy dirt on sewage surface, the felt adsorbed layer that adsorbs the greasy dirt rotates to the oil trap and strikes off the greasy dirt that adheres on the felt adsorbed layer through the groove lateral wall of oil trap, the greasy dirt that separates with the felt adsorbed layer derives the cell body along with the blow off pipe; can be blockked up by the mud impurity in the sewage after filter equipment uses a period, because the intaking in the cell body does not change, the water level will continuously rise, when the liquid level detector that sets up in the cell body detects the water level and rises to being close the oil trap (predetermine the liquid level value), the blowdown solenoid valve that the control unit control blow off pipe set up closes the blow off pipe, water level in the cell body reduces after filter equipment backwash, the water level reduces to when predetermineeing below the liquid level value, the work of the blowdown solenoid valve that the control unit control blow off pipe set up opens the blow off pipe and removes the greasy dirt.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses the greasy dirt collection mechanism that sets up can be collected the greasy dirt that floats on the surface of water, detach the interior sewage of cell body and float greasy dirt on the surface, avoid piling up of the internal greasy dirt of cell body influence sewage quality of water, cause the corrupt problem of sewage, less sewage subsequent treatment degree of difficulty.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the cooperation between the rotating cylinder and the oil collecting tank of the present invention.

In the figure, a sedimentation tank 1, a water inlet pipe 2, a sludge discharge pipe 3, a sludge submersible pump 4, a sludge guide pipe 5, a back flush valve 6, a back flush pipe 7, a mounting seat 8, a first driven gear 9, a water outlet chamber 10, a steady flow partition plate 11, a water outlet pipe 12, a water outlet pipe 13, a central cylinder 14, a fiber rotary table 15, a liquid level detector 16, a second driven gear 17, an overflow port 18, a rotary roller 19, a felt adsorption layer 191, an oil collecting tank 20, a second transmission chain 21, a first transmission chain 22, a driving motor 23, a first driving gear 24, a second driving gear 25, a rotary motor 26, a tank body 27 and a sewage discharge pipe 28.

Detailed Description

As shown in fig. 1 and 2, the utility model relates to a fiber turntable 15 filter, including cell body 27 and the control unit (singlechip or PLC the control unit), be equipped with the level detector 16 of being connected with the control unit in the cell body 27, cell body 27 is connected with the settling basin 1 rather than communicating the setting, and 1 intercommunication of settling basin has the inlet tube 2 that is used for leading-in sewage, and 1 bottom of settling basin is hourglass hopper-shaped structure, and 1 bottom of settling basin is equipped with sludge pump 4, and sludge pump 4 is connected with mud pipe 3. The sewage to be treated enters the sedimentation tank 1 through the water inlet pipe 2 to be settled, the sludge content in the sewage is reduced, the sludge accumulated in the sedimentation tank 1 is led out of the sedimentation tank 1 through the sludge submersible pump 4 arranged at the bottom of the sedimentation tank, the sewage after the primary settlement enters the tank body 27 through the overflow port 18 communicated with the sedimentation tank 1, and the sewage is filtered through the filtering device arranged in the tank body 27.

The utility model discloses the filter equipment who sets up includes that the center section of thick bamboo 14 that cavity set up, the cover is established on a center section of thick bamboo 14 with a plurality of fibre carousel 15 that a center section of thick bamboo 14 communicates with each other the setting and communicates with each other the outlet pipe 13 that sets up with a center section of thick bamboo 14, wherein a center section of thick bamboo 14 erects on two mount pads 8 that set up in cell body 27, a center section of thick bamboo 14 rotates with two mount pads 8 to be connected, be equipped with first driven gear 9 on a center section of thick bamboo 14, first driven gear 9 is connected with first drive gear 24 through first drive chain 22, first drive gear 24 is connected with the driving motor. One end of the central cylinder 14 is provided with a mounting shaft which is rotatably connected with one mounting seat 8 through a bearing, the other end of the central cylinder 14 is provided with a mounting hole, the water outlet pipe 13 is arranged in the mounting hole and is connected with the mounting hole through a sealing bearing, the other end of the central cylinder 14 is rotatably connected with the other mounting seat 8 through a bearing, and the first driven gear 9 is arranged at the other end of the central cylinder 14. The sewage entering the tank body 27 passes through the filter cloth arranged on the fiber rotary disc 15 under the action of gravity, enters the central cylinder 14 and is finally led out from the water outlet pipe 13. The water outlet pipe 13 is communicated with the water outlet chamber 10, a steady flow baffle plate 11 is arranged in the water outlet chamber 10, a water outlet pipe 12 is arranged on the other side of the steady flow baffle plate 11 on the water outlet chamber 10, and water led out from the water outlet pipe 13 can smoothly enter the next sewage treatment working section from the water outlet pipe 12 under the action of the water outlet chamber 10 and the steady flow baffle plate 11.

Along with fibre carousel 15 lasts filters sewage, the filter cloth of fibre carousel 15 is blockked up easily to the impurity that contains in the sewage, because the inflow is unchangeable and the water yield reduces, then the water level in the cell body 27 will rise, when treating that the water level rises to certain water level in the cell body 27, the sludge blanket that forms on the filter cloth on the fibre carousel 15 need be handled, so the utility model discloses still be equipped with a plurality of backwash devices that use with the filter equipment cooperation, every backwash device sets up between two fibre carousels 15 or is close to the fibre carousel 15 setting of installing at the tip, and every backwash device all includes backwash pump, backwash valve 6 and backwash pipe 7, and backwash pipe 7 sets up in cell body 27 and is close to fibre carousel 15 arbitrary side setting, backwash valve 6 sets up at last backwash pipe 7, and backwash valve 6 is connected with the control unit. When the liquid level in the tank reaches a cleaning set value (high water level), the control unit starts the backwashing pump, simultaneously starts the driving motor 23 to work, the driving motor 23 works to drive the central cylinder 14 to rotate, and then drives the fiber rotating discs 15 to rotate, and the cleaning process of the fiber rotating discs 15 is started. The backwash time and period can be adjusted. And the sludge on the filter cloth of the fiber rotating disc 15 is discharged by a backwashing water pump through a backwashing device and enters a plant area sludge system. The utility model discloses the control unit and the control unit's that sets up control principle is prior art, for example the model: the control unit in the ZP rotary disc microfilter is used. The sedimentation of the sludge at the bottom of the sedimentation tank 1 reduces the sludge content entering the tank body 27, thereby reducing the sludge amount on the filter cloth of the fiber rotating disc 15, prolonging the filtering time and reducing the back flushing water amount. Even if the sedimentation tank 1 can pre-treat sludge in sewage, a small amount of sludge enters the tank body 27 along with the sewage, so a sludge guide pipe 5 is arranged at the bottom of the tank body 27, the sludge guide pipe 5 is connected with a sewage discharge pump, and the sludge accumulated in the tank body 27 is guided out by the sewage discharge pump.

Because the surface of the sewage which passes through the sedimentation tank 1 from the water inlet pipe 2 and enters the tank body 27 has an oil layer, the oil layer is accumulated on the surface of the sewage for a long time and is easy to go bad and rot, the quality of the sewage is influenced, the subsequent treatment is inconvenient, and in order to solve the problem, the oil stain collecting mechanism is arranged above the filtering device in the tank body 27; the oil stain collecting mechanism comprises a rotary roller 19 which is erected in the tank body 27 and is rotatably connected with the tank body 27 through a bearing, a felt adsorption layer 191 is arranged on the rotary roller 19, an oil collecting tank 20 matched with the rotary roller 19 is also arranged on the rotary roller 19 along the length direction of the rotary roller, one side wall of the oil collecting tank 20 is in contact with the felt adsorption layer 191, the oil collecting tank 20 is communicated with a drain pipe 28, a drain electromagnetic valve is arranged on the drain pipe 28, and the drain electromagnetic valve is connected with a control unit; the rotary roller 19 rotates under the action of the driving mechanism, the rotary roller 19 rotates to drive the felt adsorption layer 191 to rotate for adsorbing oil stains on the surface of sewage, the felt adsorption layer 191 adsorbing the oil stains rotates to the oil collecting tank 20, the oil stains adhered to the felt adsorption layer 191 are scraped through the side wall of the oil collecting tank 20, and the oil stains separated from the felt adsorption layer 191 are led out of the tank body 27 along with the sewage discharge pipe 28. The driving mechanism comprises a rotating motor 26, a second driving gear 25 coaxially arranged on the rotating motor 26, a second driven gear 17 arranged on the rotating drum 19 and a second transmission chain 21 connecting the first driving gear 24 and the second driven gear 17.

When the greasy dirt collecting mechanism is used: the fiber rotary disc 15 filter has a filtering water level and a backwashing water level in the using process; the utility model discloses the height that the rotation cylinder 19 that sets up and the height of filtering the water level phase-match (the minimum height that rotates cylinder 19 is slightly higher than the height of filtering the water level in the cell body 27), the greasy dirt layer that gets into the cell body 27 along with sewage this moment will float on the surface of water, rotation motor 26 rotates, through first drive gear 24, the transmission of second driven gear 17 and second drive chain 21, can drive rotation cylinder 19 and rotate, rotation cylinder 19 rotates and drives felt adsorbed layer 191 and rotate and be used for adsorbing the greasy dirt on sewage surface, the felt adsorbed layer 191 that adsorbs the greasy dirt rotates to oil trap 20 and strikes off the greasy dirt of adhesion on felt adsorbed layer 191 through the groove lateral wall of oil trap 20, the greasy dirt that separates with felt adsorbed layer 191 derives cell body 27 along with blow off pipe 28; can be blockked up by the mud impurity in the sewage after filter equipment uses a period, because the intaking in the cell body 27 does not change, the water level will continuously rise, liquid level detector 16 when setting up in the cell body 27 detects that the water level rises to being close oil trap 20 (predetermine the liquid level value), the blowdown solenoid valve that the control unit control blow off pipe 28 set up closes blow off pipe 28, the water level in the cell body 27 reduces after filter equipment backwash, the water level reduces to when predetermineeing below the liquid level value, the work of the blowdown solenoid valve that the control unit control blow off pipe 28 set up opens blow off pipe 28 and gets rid of the greasy dirt. The utility model discloses the greasy dirt collection mechanism that sets up can be collected the greasy dirt that floats on the surface of water, detach 27 interior sewage of cell body and go up showy greasy dirt on the surface, avoid piling up of 27 interior greasy dirt of cell body influence sewage quality of water, cause the corrupt problem of sewage, less sewage subsequent treatment degree of difficulty.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a fibre carousel filter, includes cell body and the control unit, be equipped with the liquid level detector who is connected with the control unit in the cell body, be equipped with the filter equipment who is used for filtering sewage in the cell body, its characterized in that: an oil stain collecting mechanism is arranged above the filtering device in the tank body;

2. A fibrous rotary disc filter according to claim 1, wherein: the cell body is equipped with the settling basin that communicates with each other and sets up, and the settling basin intercommunication has the inlet tube that is used for leading-in sewage, and the settling basin bottom is hopper-shaped structure, and the settling basin bottom is equipped with the dredge pump, and the dredge pump is connected with the mud pipe.

3. A fibrous rotary disc filter according to claim 2, wherein: the filtering device comprises a hollow central cylinder, a plurality of fiber rotating discs and a water outlet pipe, wherein the fiber rotating discs are sleeved on the central cylinder and are communicated with the central cylinder, the water outlet pipe is communicated with the central cylinder, the central cylinder is erected on two mounting seats arranged in the tank body and is rotatably connected with the two mounting seats, a first driven gear is arranged on the central cylinder and is connected with a first driving gear through a first transmission chain, the first driving gear is connected with a coaxially arranged driving motor, and the driving motor is connected with a control unit.

4. A fibrous rotary disc filter according to claim 3, wherein: the filter device is also provided with a plurality of backwashing devices which are matched for use, each backwashing device is arranged between the two fiber rotating discs or is arranged close to the fiber rotating disc arranged at the end part, each backwashing device comprises a backwashing pump, a backwashing valve and a backwashing pipe, the backwashing pipe is arranged in the tank body and is arranged close to any side surface of the fiber rotating disc, the backwashing valve is arranged on the upper backwashing pipe, and the backwashing valve is connected with the control unit.

5. A fibrous rotary disc filter according to claim 4, wherein: the water outlet pipe is communicated with a water outlet chamber, and a steady flow baffle plate is arranged in the water outlet chamber.

6. A fibrous rotary disc filter according to claim 5, wherein: the driving mechanism comprises a rotating motor, a second driving gear coaxially arranged on the rotating motor, a second driven gear arranged on the rotating roller and a second transmission chain for connecting the first driving gear and the second driven gear.