CN218345192U

CN218345192U - Water treatment equipment for coupling light suspended filler filtration of circulating granulation fluidized bed

Info

Publication number: CN218345192U
Application number: CN202222299764.8U
Authority: CN
Inventors: 雷春元; 胡瑞柱; 黄廷林; 李凯; 薛章哲
Original assignee: Xi'an Weiyuan Water Technology Co ltd; Xi'an Tap Water Co ltd; Xian University of Architecture and Technology
Current assignee: Xi'an Weiyuan Water Technology Co ltd; Xi'an Tap Water Co ltd; Xian University of Architecture and Technology
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-20
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a filterable water treatment facilities of circulation granulation fluidized bed coupling light suspension filler, the jar body between clear water district and water collection district on install the perforated plate, the clear water district intussuseption of perforated plate below is filled with the light and is packed, the light is packed and can floats in the book in clear water district and is blockked by the perforated plate and form the filter layer for block that the tiny particle rises. The cleaning water distribution pipe is arranged below the perforated plate and used for cleaning mud and dirt on the perforated plate, a plurality of cleaning water outlets are formed in the cleaning water distribution pipe, and the cleaning water distribution pipe is connected with the cleaning water pipe extending out of the tank body. And a light filler stirring blade for stirring the filtering layer is also arranged in the clear water area. The utility model discloses a high-efficient water treatment is realized to the filterable mode of circulation granulation fluidized bed coupling, will coagulate principle and filter the principle and realize in same equipment, and the inside structure of make full use of fluidized bed realizes good water effect.

Description

Water treatment equipment for coupling light suspended filler filtration of circulating granulation fluidized bed

Technical Field

The utility model belongs to the technical field of the water treatment, a circulation agglomeration granulation fluidized bed is related to, concretely relates to filterable water treatment facilities of circulation granulation fluidized bed coupling light suspension filler.

Background

In recent years, in the field of feedwater treatment, with the increasing emphasis on environmental and resource efficient utilization in the country, water purification and wastewater recycling are receiving more and more attention. Therefore, the research of new medicaments and new processes for water quality treatment is a development direction of the research field of water treatment turbidity removal.

With the shortage of water resources, the serious environmental pollution and the deepened implementation of national energy-saving and emission-reducing policies, the task of water pollution treatment is heavier and heavier, the concentration of suspended matters in water is higher and heavier, and the task of removing the suspended matters in a water treatment process is heavier and heavier, so that the development and research of efficient sewage turbidity control devices are inevitable development trends. Various treatment technologies are developed at home and abroad for single high-turbidity water, low-temperature low-turbidity water and high-algae water, and are applied to practical engineering. Such as synergistic clarification technology and agglomeration flocculation technology applied to low-temperature and low-turbidity water; the improved vortex type precipitation technology and the secondary coagulation precipitation technology are applied to high turbidity water, the air flotation technology and the ACTIFLO technology, and have strong algae removal capacity. The water quality conditions can appear alternately in surface water source water along with seasons, and at present, the main mode for solving the problems is to add a pretreatment and strengthening treatment unit, but a series of problems of complex purification process, large occupied area, inconvenient operation and management and the like can be caused. The main way to solve the above problems is to add a pretreatment and strengthening unit, but this results in a series of problems such as complex purification process, large floor area, inconvenient operation and management, etc.

The prior circulating granulation fluidization technology is widely applied, but small particles which are not intercepted flow out of a clear water area in the practical application process; in the prior art, a vertical vortex reinforced granulation fluidized bed is arranged, but the actual processing and manufacturing process of a vertical vortex device is complex, the number of corrugated pipes for generating vertical vortices is large, the vertical vortex device is inconvenient to fix, complete verticality cannot be guaranteed, and the vortex effect is poor;

disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a filterable water treatment facilities of circulation granulation fluidized bed coupling light suspension filler, the filtering capacity of the circulation granulation fluidized bed of solving among the prior art remains the technical problem who further promotes.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a water treatment device for coupling and filtering a light suspended filler of a circulating granulation fluidized bed comprises a tank body of the circulating granulation fluidized bed, wherein a sludge concentration area, a circulating granulation area, a separation area, a clear water area and a water collection area which are sequentially communicated are arranged in the tank body from the bottom to the top.

The tank body between the clear water area and the water collecting area is provided with a perforated plate, the clear water area below the perforated plate is filled with light filler, and the light filler can float in a book in the clear water area and is blocked by the perforated plate to form a filter layer for blocking small particles from rising.

The lower part of the perforated plate is provided with a cleaning water distribution pipe for cleaning mud and dirt on the perforated plate, the cleaning water distribution pipe is provided with a plurality of cleaning water outlets, and the cleaning water distribution pipe is connected with a cleaning water pipe extending out of the tank body.

And a light filler stirring blade for stirring the filtering layer is also arranged in the clear water area.

The utility model discloses still have following technical characteristic:

the aperture of the holes on the perforated plate is smaller than the particle size of the light filler.

A middle cylinder and an inner cylinder are arranged in the circulating granulation area; the tank body, the middle cylinder and the inner cylinder are coaxially arranged from outside to inside in sequence, the top ends of the middle cylinder and the inner cylinder are open, the bottom end of the inner cylinder is open, and the bottom end of the middle cylinder is closed; the bottom end of the middle cylinder is lower than the bottom end of the inner cylinder, and the bottom of the middle cylinder is provided with a mixing area with a closed bottom end.

The inner cylinder is internally provided with a granulation fluidization area, a reflux area is arranged between the inner cylinder and the middle cylinder, and a sludge settling area is arranged between the middle cylinder and the tank body.

The inner tube in install the (mixing) shaft, the top of (mixing) shaft stretch out the top of inner tube, pass disengagement zone, clear water district and water collection district, stretch out the top of jar body, the (mixing) shaft drives the rotation through the stirring driving motor who installs on jar body top.

The central position of perforated plate put and be provided with the axle sleeve, the (mixing) shaft passes the axle sleeve and can rotate in the axle sleeve, light filler stirring paddle install on the (mixing) shaft and drive the rotation through the (mixing) shaft.

The bottom end of the stirring shaft extends into the mixing area, a water distributor is arranged in the mixing area and close to the bottom, and the bottom end of the stirring shaft is rotatably arranged on the water distributor; stirring blades are also arranged on the stirring shafts in the granulation fluidization area and the mixing area.

The side wall of the middle cylinder is contracted inwards to form a contracted inner wall at a position close to the bottom end of the inner cylinder, so that a backflow water outlet slit is formed between the bottom end of the inner cylinder and the contracted inner wall and is used for forming local negative pressure and providing backflow power. The backflow zone is communicated with the top end of the mixing zone through a backflow water outlet slit.

The bottom of the mixing area is connected with a water inlet pipe extending out of the tank body, and a water outlet pipe is arranged on a tank body top cover at the top of the water collecting area; and a sludge discharge pipe is arranged at the bottom of the sludge concentration area.

Compared with the prior art, the utility model, following technological effect has:

(I) the utility model discloses a high-efficient water treatment is realized to the filterable mode of circulation granulation fluidized bed coupling, will coagulate the principle and filter the principle and realize in same equipment, and the inside structure of make full use of fluidized bed when realizing good water effect, greatly reduces area, has improved the fluidized bed and has carried out water treatment's efficiency, has saved required each item resource.

(II) the utility model discloses add the light filler in circulating granulation fluidized bed, design annular perforated plate at the clear water district and block that the filter material runs off, the light filler has certain compressive capacity, and its density is less than water suspension in the clear water district, forms the filter layer, can prevent less granule outflow fluidized bed, guarantees the fluidized bed effect of delivering water.

(III) the utility model discloses the light filler of throwing is thrown compares with quartz sand and need not the back flush, and self also does not wash, has reduced extra step and expense, and it is long to have an operating duration, and the operation mode is simple and convenient, obvious advantage that the running cost is low.

(IV) the utility model discloses the light filler of throwing can float in the fluidized bed top at any time, can start at any time, when facing the water treatment condition of complicacy, can continuous operation, also can intermittent operation, has improved circulation granulation fluidized bed impact resistance and sustainability.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a water treatment device with a circulating granulation fluidized bed coupled with filtration of light suspended fillers.

Fig. 2 is a schematic view of the structure of the perforated plate.

FIG. 3 is a schematic view of the structure of a cleaning water distributor.

The meaning of the individual reference symbols in the figures is: 1-tank, 2-sludge concentration zone, 3-circular granulation zone, 4-separation zone, 5-clear water zone, 6-water collection zone, 7-perforated plate, 8-light filler, 9-cleaning water distributor, 10-cleaning water outlet, 11-cleaning water pipe, 12-light filler stirring blade, 13-hole, 14-middle cylinder, 15-inner cylinder, 16-mixing zone, 17-granulation fluidization zone, 18-reflux zone, 19-sludge settling zone, 20-stirring shaft, 21-sludge discharge pipe, 22-stirring driving motor, 23-shaft sleeve, 24-water distributor, 25-stirring blade, 26-reflux water outlet slit, 27-water inlet pipe and 28-water outlet pipe.

The following examples are provided to explain the present invention in further detail.

Detailed Description

It is to be understood that all devices and components of the present invention, unless otherwise specified, are intended to be covered by the present invention as if they were all known in the art.

The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.

The embodiment is as follows:

the embodiment provides a water treatment device for coupling a circulating granulation fluidized bed with filtering of a light suspended filler, which comprises a tank body 1 of the circulating granulation fluidized bed, wherein the tank body 1 is internally provided with a sludge concentration area 2, a circulating granulation area 3, a separation area 4, a clear water area 5 and a water collection area 6 which are sequentially communicated from bottom to top.

As shown in figure 2, a perforated plate 7 is arranged on the tank body 1 between the clean water area 5 and the water collecting area 6, the clean water area 5 below the perforated plate 7 is filled with light filler 8, and the light filler 8 can float in a book of the clean water area and is blocked by the perforated plate 7 to form a filter layer for blocking small particles from rising.

As shown in fig. 3, a cleaning water distribution pipe 9 for cleaning mud on the perforated plate 7 is arranged below the perforated plate 7, a plurality of cleaning water outlets 10 are arranged on the cleaning water distribution pipe 9, and the cleaning water distribution pipe 9 is connected with a cleaning water pipe 11 extending out of the tank 1.

And a light filler stirring blade 12 for stirring the filtering layer is also arranged in the clear water area 5.

In this embodiment, when the perforated plate 7 is subjected to surface scale deposition or more silt is attached to the surface, the cleaning water pipe 11 can be opened for washing.

In this embodiment, the light filler 8 blocks more and more particles, and if hardening occurs, the light filler stirring paddle 12 can stir the filter layer, thereby effectively preventing the light filler 8 from hardening and ensuring the filtering and intercepting effects.

In a preferred embodiment of the present embodiment, the holes 13 of the perforated plate 7 have a diameter smaller than the particle diameter of the light-weight filler 8. In this embodiment, the light weight filler 8 is a known light weight filler commonly used in the art, and the light weight filler can float on water.

As a specific scheme of this embodiment, a middle cylinder 14 and an inner cylinder 15 are installed in the circulating granulation zone 3; the tank body 1, the middle cylinder 14 and the inner cylinder 15 are coaxially arranged from outside to inside in sequence, the top ends of the middle cylinder 14 and the inner cylinder 15 are open, the bottom end of the inner cylinder 15 is open, and the bottom end of the middle cylinder 14 is closed; the bottom end of the middle cylinder 14 is lower than the bottom end of the inner cylinder 15, and the bottom of the middle cylinder 14 is provided with a mixing area 16 with a closed bottom end.

In this embodiment, the top end of the middle cylinder 14 is higher than the top end of the inner cylinder 15, forming a backflow water inlet.

In this embodiment, the tank 1 and the middle cylinder 14 and the inner cylinder 15 are connected by a rib plate. As the flow to be carried is increased, the diameters of the tank body 1, the middle barrel 14 and the inner barrel 15 are increased, and the rib plates can more stably fix the tank body, the middle barrel 14 and the inner barrel together.

In this embodiment, the tank 1 is supported and mounted by a base frame. The top of the tank body 1 is provided with a manhole.

Further, a granulation fluidization area 17 is arranged in the inner cylinder 15, a reflux area 18 is arranged between the inner cylinder 15 and the middle cylinder 14, and a sludge settling area 19 is arranged between the middle cylinder 14 and the tank body 1.

As a preferable scheme of this embodiment, a stirring shaft 20 is installed in the inner cylinder 15, a top end of the stirring shaft 20 extends out of a top end of the inner cylinder 15, passes through the separation region 4, the clear water region 5 and the water collection region 6, and extends out of a top end of the tank body 1, and the stirring shaft 20 is driven to rotate by a stirring driving motor 22 installed at the top end of the tank body 1.

The central position of perforated plate 7 is provided with axle sleeve 23, and (mixing) shaft 20 passes axle sleeve 23 and can rotate in axle sleeve 23, and light filler stirring paddle 12 is installed on (mixing) shaft 20 and is driven the rotation through (mixing) shaft 20.

The bottom end of the stirring shaft 20 extends into the mixing zone 16, a water distributor 24 is arranged in the mixing zone 16 close to the bottom, and the bottom end of the stirring shaft 20 is rotatably arranged on the water distributor 24; stirring shafts 20 in the granulation fluidization zone 17 and the mixing zone 16 are also provided with stirring blades 25.

In this embodiment, the water distributor 24 has three functions, the first function is water distribution, the second function is blocking and blocking particulate matter in the mixing region 16, so that fine sand does not enter the water inlet pipe 27, and the third function is supporting the stirring shaft 20, so that the stirring shaft 20 can rotate more stably.

In this embodiment, the stirring blade 25 may be set to a mechanical stirring manner such as a slant paddle type stirring manner or a propeller type stirring manner.

As a preferable scheme of the embodiment, the position of the side wall of the middle cylinder 14 close to the bottom end of the inner cylinder 15 is contracted inwards to form a contracted inner wall, so that a backflow water outlet slit 26 is formed between the bottom end of the inner cylinder 15 and the contracted inner wall, and is used for forming local negative pressure and providing backflow power. The recirculation zone 18 communicates with the top of the mixing zone 16 through recirculation outlet slots 26.

As a preferable scheme of this embodiment, the bottom of the mixing area 16 is connected with a water inlet pipe 27 extending out of the tank body 1, and a water outlet pipe 28 is arranged on the top cover of the tank body 1 at the top of the water collecting area 6; the bottom of the sludge concentration area 2 is provided with a sludge discharge pipe 21.

In this embodiment, after the sludge particles in the inner cylinder 15 and the middle cylinder 14 reach the dynamic balance, a part of the sludge particles fall into the sludge concentration area 2, and when the sludge in the sludge concentration area 2 is accumulated to a certain height, the sludge is discharged through the sludge discharge pipe 21.

In this embodiment, can install the mud scraper that sets up at jar 1 bottom inboard in the sludge concentration district 2 as required, the mud scraper passes through the rotatory mud of scraping of the mud driving motor drive of 1 bottom installation of jar body.

In this embodiment, all the pipes are provided with corresponding valves as required.

The utility model discloses a filterable water treatment facilities of circulation granulation fluidized bed coupling light suspension filler is when using, medicament such as little sand and/or powder carbon can be added as required in the former aquatic, the former raw water advances to the mixed district 16 in jar body 1 through inlet tube 27, and in the granulation fluidization district 17 in the entering inner tube 15, constantly rise under stirring vane 25's stirring, the granule grow gradually, mud granule in the granulation fluidization district 17 reaches dynamic balance under the effect of rivers power and self gravity of intaking, the partial mud granule of formation rises to the bobbin top of inner tube 15 along with rivers, and before the bobbin top of reaching middle tube 14, mud granule turns over down through the backward flow water inlet, get into the 18 interior backward flow circulation granulation of intermediate layer recirculation district between inner tube 15 and the middle tube 14.

When the muddy water circularly flows back to the backflow water outlet slit 26, negative pressure is locally formed, and the micro-sand and/or the powdered carbon are separated from the sludge core body through the side wall reinforced stirring effect, so that the micro-sand and/or the powdered carbon can be recycled.

In the clear water area 5, the light filler 8 can float on water and is blocked by the perforated plate 7 to form a filter layer to prevent small particles from rising; when the surface of the perforated plate 7 is accumulated with scale or the surface is attached with more silt, the cleaning water pipe 11 can be opened for washing.

In the whole process, a single stirring driving motor 22 simultaneously drives the light filler stirring paddle 12 and the stirring blade 25 to rotate together through the stirring shaft 20. The light filler 8 blocks more and more particles, and if hardening occurs, the light filler stirring paddle 12 can stir the filter layer, so that the light filler 8 is effectively prevented from hardening, and the filtering and intercepting effect is ensured.

Claims

1. The utility model provides a filterable water treatment facilities of circulation granulation fluidized bed coupling light suspended filler, includes the jar body (1) of circulation granulation fluidized bed, jar body (1) in divide into sludge concentration district (2), circulation granulation district (3), disengagement zone (4), clear water district (5) and water collection district (6) that communicate in proper order from the bottom to the top, its characterized in that:

a perforated plate (7) is arranged on the tank body (1) between the clear water area (5) and the water collecting area (6), a light filler (8) is filled in the clear water area (5) below the perforated plate (7), and the light filler (8) can float in a book of the clear water area and is blocked by the perforated plate (7) to form a filter layer for blocking small particles from rising;

a cleaning water distribution pipe (9) used for cleaning mud and dirt on the perforated plate (7) is arranged below the perforated plate (7), a plurality of cleaning water outlets (10) are formed in the cleaning water distribution pipe (9), and the cleaning water distribution pipe (9) is connected with a cleaning water pipe (11) extending out of the tank body (1);

and a light filler stirring blade (12) for stirring the filtering layer is also arranged in the clear water area (5).

2. The recycling granulation fluidized bed coupled light suspended filler filtration water treatment equipment as claimed in claim 1, characterized in that the hole (13) of said perforated plate (7) has a diameter smaller than the particle diameter of the light suspended filler (8).

3. A water treatment plant coupled with filtration of light suspended fillers in a circulating granulation fluid bed according to claim 1, characterized in that said circulating granulation zone (3) is equipped with a central drum (14) and an inner drum (15); the tank body (1), the middle cylinder (14) and the inner cylinder (15) are coaxially arranged from outside to inside in sequence, the top ends of the middle cylinder (14) and the inner cylinder (15) are open, the bottom end of the inner cylinder (15) is open, and the bottom end of the middle cylinder (14) is closed; the bottom end of the middle cylinder (14) is lower than the bottom end of the inner cylinder (15), and the bottom of the middle cylinder (14) is provided with a mixing area (16) with a closed bottom end.

4. The water treatment equipment for coupling lightweight suspended filler filtration of the circulating granulation fluidized bed as claimed in claim 3, wherein the inside of the inner cylinder (15) is a granulation fluidization region (17), a reflux region (18) is arranged between the inner cylinder (15) and the middle cylinder (14), and a sludge settling region (19) is arranged between the middle cylinder (14) and the tank body (1).

5. The water treatment equipment for coupling light suspended filler filtration of the circulating granulation fluidized bed as claimed in claim 4, wherein a stirring shaft (20) is installed in the inner cylinder (15), the top end of the stirring shaft (20) extends out of the top end of the inner cylinder (15), passes through the separation zone (4), the clear water zone (5) and the water collection zone (6), and extends out of the top end of the tank body (1), and the stirring shaft (20) is driven to rotate by a stirring driving motor (22) installed at the top end of the tank body (1);

a shaft sleeve (23) is arranged at the central position of the perforated plate (7), a stirring shaft (20) penetrates through the shaft sleeve (23) and can rotate in the shaft sleeve (23), and the light filler stirring paddle (12) is installed on the stirring shaft (20) and is driven to rotate by the stirring shaft (20);

the bottom end of the stirring shaft (20) extends into the mixing area (16), a water distributor (24) is arranged in the mixing area (16) close to the bottom, and the bottom end of the stirring shaft (20) is rotatably arranged on the water distributor (24); stirring blades (25) are also arranged on the stirring shafts (20) in the granulation fluidization area (17) and the mixing area (16).

6. The water treatment equipment for coupling lightweight suspended filler filtration in the circulating granulation fluidized bed as claimed in claim 4, wherein the side wall of the middle cylinder (14) is inwardly contracted to form a contracted inner wall at a position close to the bottom end of the inner cylinder (15), so that a backflow water outlet slit (26) is formed between the bottom end of the inner cylinder (15) and the contracted inner wall, for forming a local negative pressure to provide a backflow power; the backflow area (18) is communicated with the top end of the mixing area (16) through a backflow water outlet slit (26).

7. A water treatment device coupled with light suspended filler filtration for circulation granulation fluidized bed according to claim 3, characterized in that the bottom of the mixing zone (16) is connected with a water inlet pipe (27) extending out of the tank body (1), and a water outlet pipe (28) is arranged on the top cover of the tank body (1) on the top of the water collection zone (6); the bottom of the sludge concentration area (2) is provided with a sludge discharge pipe (21).