CN212632027U

CN212632027U - Power plant sewage filtering device convenient for back flushing and filter layer disassembly and assembly

Info

Publication number: CN212632027U
Application number: CN202020142505.2U
Authority: CN
Inventors: 闫丽; 潘清波
Original assignee: Yankuang Group Zhongke Cleaning Energy Technology Co ltd
Current assignee: Yankuang Group Zhongke Cleaning Energy Technology Co ltd
Priority date: 2019-06-18
Filing date: 2020-01-20
Publication date: 2021-03-02
Anticipated expiration: 2030-01-20

Abstract

The utility model relates to a sewage filter equipment of power plant convenient to backflush, dismouting filtering layer. The existing power plant sewage filtering device has large volume, large occupied area and more backwashing water. The water flow backwashing device comprises a base and a shell, wherein the upper part of the shell is a cylindrical part, the lower part of the shell is a funnel part, the cylindrical part is provided with a coarse filter disc, a middle filter disc and a fine filter disc, the funnel part is provided with a main shaft and blades which are driven by an external driving motor, the funnel part is connected with a water outlet pipe and a backwashing pipe through a vertical pipeline, and is provided with a water outlet valve and a backwashing valve, the water outlet valve, the backwashing valve and the driving motor are in linkage control, the water outlet valve and the backwashing valve are always in an open state and a closed state, when the backwashing valve is opened, the driving motor is started to drive water flow to upwelle and backflush, and when the backwashing valve. The utility model has the advantages of small occupied area, less water consumption for back washing and simple and convenient operation, is suitable for treating various sewage, and is particularly suitable for treating the sewage of a thermal power plant.

Description

Power plant sewage filtering device convenient for back flushing and filter layer disassembly and assembly

Technical Field

The utility model relates to a sewage filter equipment of power plant convenient to backflush, dismouting filtering layer.

Background

The electric power generation of China is mainly based on thermal power, the power plant is an industrial sewage discharge household, and with the emphasis of the country on environmental protection, the power plant enterprises need to realize the purposes of no scaling and no corrosion of circulating water, and zero emission is realized, and the added medicament is required to avoid the generation of a large amount of metal ions.

The existing sewage filtering device for the power plant comprises a rough filtering tank, a middle filtering tank, a fine filtering tank and other multi-stage filtering tanks, the equipment is large in size and large in occupied area, back flushing is needed after the sewage filtering device is used for a period of time, the sewage filtering device can only be used for back flushing independently and one by one during back flushing, the operation is complex, the water consumption for back flushing is large, and the filter plates are inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is how to overcome the above-mentioned defect of prior art, it is little to provide one kind, and the backwash water quantity is few, the sewage filter equipment of power plant of the backwash of being convenient for, dismouting filtering layer.

For solving above-mentioned technical problem, this power plant sewage filter equipment convenient to backwash, dismouting filtering layer includes the base, be equipped with a plurality of supporting leg on the base, the top of supporting leg is fixed with the casing, casing upper portion is the drum portion, and the casing lower part is funnel portion, and top-down is equipped with thick filter disc, well filter disc and smart filter disc in proper order in the drum portion, casing open-top, thick filter disc, well filter disc and smart filter disc constitute by considering the material of disc cavity casing and inside packing, and wherein disc cavity casing upper and lower surface all opens the through-hole that permeates water, and the inside filter media of thick filter disc, well filter disc and smart filter disc are rubble, coarse sand and fine sand respectively, and the diameter of the through-hole that permeates water of thick filter disc, well filter disc and smart filter disc all is less than its inside minimum particle diameter of considering the material, its characterized in that: the funnel comprises a funnel part and is characterized in that a base plate is arranged in a lower opening of the funnel part, an axle center hole is formed in the center of the base plate, water passing holes are formed in the periphery of the axle center hole, a main shaft is arranged in the axle center hole, a stainless steel thrust bearing is arranged between the main shaft and the base plate, a plurality of stirring arms and large bevel gears which are uniformly distributed are arranged on the main shaft, a paddle is fixed at the outer end of each stirring arm, the large bevel gear is meshed with a small bevel gear, a horizontal pipe is fixedly connected to the side wall of the funnel part, a small flat shaft is arranged in the horizontal pipe, a shaft seal is arranged between the horizontal pipe and a horizontal shaft, the small bevel gear is coaxially fixed at the inner end of the horizontal shaft, and the outer end of.

The lower opening of the funnel part is connected with a vertical pipeline, the side part of the vertical pipeline is respectively connected with a water outlet pipe and a backwashing pipe, the water outlet pipe and the backwashing pipe are respectively provided with a water outlet valve and a backwashing valve, the water outlet valve, the backwashing valve and a driving motor are in linkage control, the water outlet valve and the backwashing valve are always in an open state and a closed state, when the backwashing valve is opened, the driving motor is started to drive water flow to upwelle and backflush, when the backwashing valve is closed, the driving motor is stopped, and the blades only play a role in guiding the water flow.

When the water purifier is normally used, the driving motor stops, the water outlet valve is opened, the backwashing valve is closed, and to-be-filtered water enters from the top opening of the shell and is discharged from the water outlet pipe. When backflushing is needed, the water outlet valve is closed, the backflushing valve is opened, the driving motor operates to drive the blades to rotate rapidly, water in the funnel is driven to flow upwards rapidly like boiling, backflushing is conducted, dirt attached to the coarse filter disc, the middle filter disc and the fine filter disc is flushed away rapidly, and the dirt overflows from the upper edge of the shell.

By the design, the dirt in the coarse filter disc, the middle filter disc and the fine filter disc can be washed away at one time by using a small amount of washing water. The water consumption for back washing is small, and the operation is simple.

Preferably, a cleaning liquid bin is further arranged on one side of the base, an air inlet and an air outlet are formed in the top of the cleaning liquid bin, a blow-off pipe and a blow-off valve are arranged at the bottom of the cleaning liquid bin, cleaning liquid is stored in the cleaning liquid bin, a water pump is matched with the cleaning liquid bin, a water inlet pipe of the water pump is communicated with the bottom of the interior of the cleaning liquid bin, and a water outlet pipe of the water pump is communicated into the funnel portion through a check valve. By the design, when more scale is attached to the coarse filter disc, the middle filter disc and the fine filter disc, weak-acid cleaning liquid can be prepared in a cleaning liquid bin, then a water outlet valve and a back flush valve are closed, water is stopped from entering the shell through a water pump, after the water is soaked for a certain time, alkali is added to neutralize the water in the shell, finally the back flush valve is opened, and back flushing is carried out through clean water.

Preferably, the coarse filter disc, the middle filter disc and the fine filter disc are fixed on a filter frame, N base stations are uniformly distributed on the outer side wall of the upper portion of the shell, each base station is provided with a lifting motor, an output shaft of each lifting motor is fixedly connected with a twisting barrel, a stand column is further arranged on each base station or on the shell adjacent to the base station, a fixed pulley is arranged on each stand column, a twisting rope is fixed on the outer wall of each twisting barrel, the other end of each twisting rope spans the fixed pulleys on the adjacent stand columns and then is connected to the filter frame, N is a positive integer and is not less than 2 and not more than 4. So design, when needing, only start elevator motor, just can filter the frame and together rough filter disc, well filter disc and smart filter disc, wholly hang out the casing together, be convenient for change the filter disc to in the inside maintenance of casing.

Preferably, the filter frame comprises a cylinder, a bottom sieve plate and two spacing rings, the outer edge of the bottom sieve plate is fixedly connected with the cylinder, sieve holes are densely distributed on the bottom sieve plate, an inner protruding table is arranged on the cylinder, the outer edge of the fine filter disc is pressed on the inner protruding table, one spacing ring is arranged between the outer edge of the rough filter disc and the outer edge of the middle filter disc, and the other spacing ring is arranged between the outer edge of the middle filter disc and the outer edge of the fine filter disc. By the design, sewage can be effectively prevented from forming a channel between the filter layers, and each part of each filter disc can fully exert the filtering function.

As an optimization, the filter device further comprises a pressing ring, the pressing ring is fixed on the upper edge of the cylinder of the filter frame through a plurality of uniformly distributed screws or bolts, a notch is formed in the corresponding position of the pressing ring, and the twisted rope penetrates through the notch and is fixed on the filter frame. By the design, the filter disc is convenient to disassemble and assemble, and each filter disc is not easy to jump during backwashing.

Preferably, the water outlet pipe is further provided with a filter, the filter comprises a shell with a flange plate and an internal filter element, and the internal filter element is internally stored with activated carbon. So design, when filterable, activated carbon can also adsorb slight filth impurity, reaches and filters, adsorbs dual effect, and activated carbon must update when necessary.

The utility model discloses the sewage filter equipment of power plant convenient to backwash, dismouting filtering layer has and takes up an area of for a short time, and the back flush water consumption is few, and easy and simple to handle's advantage is suitable for handling various sewage, is particularly suitable for handling the sewage of steam power plant.

Drawings

The utility model discloses be convenient for backflush, the power plant sewage filter equipment of dismouting filtering layer is explained further below with the attached drawing:

FIG. 1 is a schematic sectional view of the power plant sewage filtering apparatus for facilitating back flushing and assembling and disassembling of the filtering layer (the casing is cut along a plane passing through the axial lead).

In the figure: 1 is a base, 2 is a supporting leg, 3 is a shell, 4 is a coarse filter disc, 5 is a middle filter disc, 6 is a fine filter disc, 7 is a base plate, 8 is a water through hole, 9 is a main shaft, 10 is a stirring arm, 11 is a large bevel gear, 12 is a blade, 13 is a small bevel gear, 14 is a horizontal pipe, 15 is a small flat shaft, 16 is a driving motor, 17 is a vertical pipeline, 18 is a sewage discharge pipe, 19 is a sewage discharge valve, 20 is a water outlet pipe, 21 is a back flushing pipe, 22 is a water outlet valve, 23 is a back flushing valve, 24 is a water pump, 25 is a check valve, 26 is a filter frame, 27 is a base table, 28 is a lifting motor, 29 is a winch drum, 30 is an upright column, 31 is a fixed pulley, 32 is a winch rope, 33 is a spacing ring, 34 is a sieve hole, 35 is an inner boss, 36 is a fixed pulley, 37 is a notch, 38 is a filter absorber, 381 is a shell with a flange plate, 382 is an internal filter element, and 39.

Detailed Description

The first implementation mode comprises the following steps: as shown in fig. 1, the utility model discloses power plant's sewage filter equipment convenient to backwash, dismouting filtering layer includes base 1, be equipped with a plurality of supporting leg 2 on the base 1, the top of supporting leg 2 is fixed with

casing

3, 3 upper portions of casing are the cylindric portion, and the casing lower part is funnel portion, and top-down is equipped with coarse filter disc 4, well filter disc 5 and essence filter disc 6 in proper order in the cylindric portion, 3 open-top of casing, coarse filter disc 4, well filter disc 5 and essence filter disc 6 are by the worry material constitution of disc cavity casing and inside packing, and wherein disc cavity casing upper and lower surface all opens the through-hole that permeates water, and the inside filter media of coarse filter disc 4, well filter disc 5 and essence filter disc 6 are rubble, coarse sand and fine sand respectively, and the diameter of the through-hole that permeates water of coarse filter disc 4, well filter disc 5 and essence filter disc 6 all is less than the minimum particle size of its inside worry.

The method is characterized in that: the funnel comprises a funnel part, and is characterized in that a base plate 7 is arranged in a lower opening of the funnel part, an axial hole is formed in the center of the base plate 7, water passing holes 8 are formed in the periphery of the axial hole, a main shaft 9 is arranged in the axial hole, a stainless steel thrust bearing is arranged between the main shaft 9 and the base plate 7, a plurality of stirring arms 10 and large bevel gears 11 which are uniformly distributed are arranged on the main shaft 9, a paddle 12 is fixed at the outer end of each stirring arm 10, the large bevel gear 11 is meshed with a small bevel gear 13, a horizontal pipe 14 is fixedly connected to the side wall of the funnel part, a small flat shaft 15 is arranged in the horizontal pipe 14, a shaft seal is arranged between the horizontal pipe 14 and a horizontal shaft 15, the small bevel gear 13 is coaxially fixed on the inner end of the horizontal shaft 15, and the outer end of the horizontal shaft 15.

The lower opening of the funnel part is connected with a vertical pipeline 17, the lower end of the vertical pipeline 17 is provided with a drain pipe 18, the drain pipe 18 is provided with a drain valve 19, the side part of the vertical pipeline 17 is respectively connected with a water outlet pipe 20 and a back washing pipe 21, the water outlet pipe 20 and the back washing pipe 21 are respectively provided with a water outlet valve 22 and a back washing valve 23, and the water outlet valve 22, the back washing valve 23 and the driving motor 16 are in linkage control.

The water outlet valve 22 and the back flush valve 23 are always in an open state and a closed state, when the back flush valve 23 is opened, the driving motor 16 is started to drive the water flow to upwelle and backflush, when the back flush valve 23 is closed, the driving motor 16 is stopped, the blades 12 only play a role in guiding the water flow, and can be manually controlled and also automatically controlled.

The cleaning solution storage device is characterized in that a cleaning solution bin 39 is further arranged on one side of the base 1, an air inlet and an air outlet are formed in the top of the cleaning solution bin 39, a sewage discharge pipe 18 and a sewage discharge valve 19 are arranged at the bottom of the cleaning solution bin 39, cleaning solution is stored in the cleaning solution bin 39, a water pump 24 is matched with the cleaning solution bin 39, a water inlet pipe of the water pump 24 is communicated into the bottom of the cleaning solution bin 39, and a water outlet pipe of the water pump 24 is communicated into the funnel portion.

The coarse filter disc 4, the middle filter disc 5 and the fine filter disc 6 are fixed on a filter frame 26, the outer side wall of the upper portion of the shell 3 is provided with N base stations 27 which are uniformly distributed, each base station 27 is provided with a lifting motor 28, an output shaft of each lifting motor 28 is fixedly connected with a twisting cylinder 29, each base station 27 or the shell 3 adjacent to the base station 27 is further provided with an upright post 30, the upright post 30 is provided with a fixed pulley 31, the outer wall of each twisting cylinder 29 is fixedly provided with a twisting rope 32, the other end of each twisting rope 32 spans the fixed pulley 31 on the adjacent upright post 30 and then is connected onto the filter frame 26, wherein N is a positive integer, and N is not less than 2 and not more than 4.

The filter frame 26 comprises a cylinder, a bottom sieve plate and two spacing rings 33, the outer edge of the bottom sieve plate is fixedly connected with the cylinder, sieve holes 34 are densely distributed on the bottom sieve plate, an inner protruding platform 35 is arranged on the cylinder, the outer edge of the fine filter disc 6 is pressed on the inner protruding platform 35, one spacing ring 33 is arranged between the outer edge of the coarse filter disc 4 and the outer edge of the middle filter disc 5, and the other spacing ring 33 is arranged between the outer edge of the middle filter disc and the outer edge of the fine filter disc.

The filter frame further comprises a pressing ring 36, the pressing ring 36 is fixed on the upper edge of the cylinder of the filter frame 26 through a plurality of uniformly distributed screws or bolts, a notch 37 is formed in the corresponding position of the pressing ring 36, and the stranded rope 32 penetrates through the notch 37 and is fixed on the filter frame 26.

The water outlet pipe 20 is further provided with a filter 38, the filter 38 includes a housing 381 with a flange plate and an inner filter element 382, and the inner filter element 382 stores activated carbon therein.

Claims

1. The utility model provides a sewage filter equipment of power plant convenient to backwash, dismouting filtering layer, the on-line screen storage device comprises a base, be equipped with a plurality of supporting leg on the base, the top of supporting leg is fixed with the casing, casing upper portion is the drum portion, and the casing lower part is funnel portion, and top-down is equipped with thick filter disc, well filter disc and smart filter disc in proper order in the drum portion, casing open-top, thick filter disc, well filter disc and smart filter disc constitute by the filter media of disc cavity casing and inside packing, and wherein disc cavity casing upper and lower surface all opens the through-hole that permeates water, and the inside filter media of thick filter disc, well filter disc and smart filter disc are rubble, coarse sand and fine sand respectively, and the diameter of the through-hole that permeates water of thick filter disc, well filter disc and smart filter disc all is less than its inside minimum particle size of filter: a base plate is arranged in the lower opening of the funnel part, an axle center hole is formed in the center of the base plate, water passing holes are formed in the periphery of the axle center hole, a main shaft is arranged in the axle center hole, a stainless steel thrust bearing is arranged between the main shaft and the base plate, a plurality of stirring arms and large bevel gears which are uniformly distributed are arranged on the main shaft, a paddle is fixed at the outer end of each stirring arm, the large bevel gear is meshed with a small bevel gear, a horizontal pipe is fixedly connected to the side wall of the funnel part, a small flat shaft is arranged in the horizontal pipe, a shaft seal is arranged between the horizontal pipe and a horizontal shaft, the small bevel gear is coaxially fixed at the inner end of the horizontal shaft, the outer end of the horizontal shaft extends out of the funnel part and is driven,

2. The power plant sewage filtering device facilitating back flushing and filter layer dismounting as claimed in claim 1, wherein: the cleaning machine is characterized in that a cleaning liquid bin is further arranged on one side of the base, an air inlet and an air outlet are formed in the top of the cleaning liquid bin, a blow-off pipe and a blow-off valve are arranged at the bottom of the cleaning liquid bin, cleaning liquid is stored in the blow-off pipe and the blow-off valve, a water pump is matched with the cleaning liquid bin, a water inlet pipe of the water pump is communicated into the bottom of the interior of the cleaning liquid bin, and a water outlet pipe.

3. The power plant sewage filtering device facilitating back flushing and filter layer dismounting as claimed in claim 1, wherein: the coarse filter disc, the middle filter disc and the fine filter disc are fixed on a filter frame, N base stations which are uniformly distributed are arranged on the outer side wall of the upper portion of the shell, each base station is provided with a lifting motor, an output shaft of each lifting motor is fixedly connected with a twisting cylinder, a stand column is further arranged on each base station or on the shell adjacent to the base station, a fixed pulley is arranged on each stand column, a twisting rope is fixed on the outer wall of each twisting cylinder, the other end of each twisting rope spans the fixed pulley on the adjacent stand column and then is connected onto the filter frame, wherein N is a positive integer, and N is not less than 2 and not more than 4.

4. The power plant sewage filtering device facilitating back flushing and filter layer dismounting as claimed in claim 3, wherein: the filter frame comprises a cylinder, a bottom sieve plate and two spacing rings, the outer edge of the bottom sieve plate is fixedly connected with the cylinder, an inner protruding table is arranged on the cylinder, the outer edge of the fine filter disc is pressed on the inner protruding table, one spacing ring is arranged between the outer edge of the coarse filter disc and the outer edge of the middle filter disc, and the other spacing ring is arranged between the outer edge of the middle filter disc and the outer edge of the fine filter disc.

5. The power plant sewage filtering device facilitating back flushing and filter layer dismounting as claimed in claim 4, wherein: the filter frame is characterized by further comprising a pressing ring, the pressing ring is fixed on the upper edge of the cylinder of the filter frame through a plurality of uniformly distributed screws or bolts, a notch is formed in the corresponding position of the pressing ring, and the stranded rope penetrates through the notch and is fixed on the filter frame.

6. The power plant sewage filtering device facilitating back flushing and filter layer dismounting as claimed in claim 1, wherein: the water outlet pipe is also provided with a filter, the filter comprises a shell with a flange plate and an internal filter element, and the internal filter element is internally stored with active carbon.