CN211521878U

CN211521878U - Combined high-efficiency reaction clarification filter

Info

Publication number: CN211521878U
Application number: CN201922419650.0U
Authority: CN
Inventors: 况力; 王静; 蔡开建; 黄文建; 李秋燕; 邓福芹; 罗祥; 赖政钢
Original assignee: Chongqing Gangli Environmental Protection Co ltd
Current assignee: Chongqing Gangli Environmental Protection Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-18
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a combined high-efficiency reaction clarification filter, which comprises a body, a mud bucket, a clarification layer, a filter layer and a water outlet weir are sequentially arranged from the bottom to the top in the body, the bottom of the machine body is provided with an ejector, the machine body is also provided with a first reaction chamber and a second reaction chamber, the filter layer is a light filter material floating on the water surface, a filter plate is arranged below the water outlet weir, a spray head is arranged on the filter plate, the top end of the second reaction chamber extends to a position between the clarification layer and the filter layer, a back washing device is arranged between the second reaction chamber and the filter layer, the back washing device comprises a water inlet pipe, a back washing main pipe and a plurality of back washing branch pipes which are connected in sequence, the back washing branch pipe is provided with a washing nozzle, the machine body is provided with a back washing water inlet and a back washing water outlet, the water inlet pipe is connected with the back washing water inlet, and the back washing water outlet is positioned between the back washing branch pipe and the clarification layer. The utility model discloses increased filter area, improved filter speed, the back flush is more thorough.

Description

Combined high-efficiency reaction clarification filter

Technical Field

The utility model belongs to clarification equipment field, concretely relates to modular high-efficient reaction clarification filter.

Background

Often can adopt clarification equipment in order to realize solid-liquid separation carrying out sewage treatment often, present integration hydrodynamic force clarification equipment can realize clarification and filtration simultaneously to power when utilizing the sprayer to spray drives inside mixed liquid circulation, and it is better to go out water quality of water, but present integration hydrodynamic force clarification equipment has following problem: 1. the area of the filter layer is small, the filtering speed is low, and meanwhile, the position of the filter layer is fixed and cannot be dispersed, so that the filter layer is not thoroughly cleaned during backwashing, and the filtering effect is reduced; 2. the water outlet weir is annular, the spray heads which are closer to the water outlet weir discharge water quickly, the spray heads which are farther from the water outlet weir in the middle of the water outlet weir discharge water slowly, and the filtering layers are not uniformly used, so that the filtering effect is influenced; 3. the ejector is arranged at the bottom of the mud bucket, and sludge near the ejector can circulate continuously under the power of hydraulic ejection, so that the water content of the sludge discharged from a mud discharge port of the mud bucket is too high.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims at providing a can effectively wash the filter layer, improve the high-efficient reaction clarification filter of combination formula of filter effect.

Therefore, the utility model discloses the technical scheme who adopts does: a combined high-efficiency reaction clarification filter comprises a machine body, wherein a mud bucket, a clarification layer, a filter layer and a water outlet weir are sequentially arranged from the bottom to the top in the machine body, an ejector is arranged at the bottom of the machine body, a first reaction chamber and a second reaction chamber are further arranged in the machine body, a water outlet of the ejector extends into a water inlet at the bottom of the first reaction chamber, the top end of the first reaction chamber extends to the position close to the top in the second reaction chamber, sewage enters the rear part from the bottom of the first reaction chamber and overflows to the second reaction chamber from the top, a water outlet of the second reaction chamber is positioned at the bottom of the second reaction chamber, the water outlet of the second reaction chamber is positioned below the clarification layer, the sewage is sequentially discharged from the water outlet weir after passing through the clarification layer and the filter layer after coming out from the second reaction chamber, the filter layer is a light filter material floating on the water surface, and a filter plate blocking the light filter material is, the filter plate is provided with a plurality of uniformly distributed spray heads, the top end of the second reaction chamber extends to a position between the clarification layer and the filtration layer, a backwashing device is arranged between the second reaction chamber and the filtration layer, the backwashing device comprises a water inlet pipe, a backwashing main pipe and a plurality of backwashing branch pipes which are uniformly distributed and sequentially connected, one end of each backwashing branch pipe is communicated with the backwashing main pipe, the other end of each backwashing branch pipe horizontally extends and is fixed on the inner wall of the machine body, the backwashing branch pipes are provided with a plurality of flushing spray heads facing the filtration layer, the machine body is provided with a backwashing water inlet and a backwashing water outlet, the water inlet pipe is connected with the backwashing water inlet, and the backwashing water outlet is positioned between.

Preferably, the machine body is cylindrical, the main backwash pipe is mounted above the second reaction chamber and is coaxial with the machine body, the backwash branch pipes extend radially, and the water inlet pipe extends horizontally and is located above the backwash branch pipes. By adopting the structure, the back washing branch pipes are reasonably arranged, the back washing effect is further improved, and the water inlet pipe is positioned above the back washing branch pipes, so that the energy is saved.

Preferably, the effluent weir is in a cross shape, and the cross center of the effluent weir is coincided with the center of the machine body. By adopting the structure, the effluent enters the effluent weir from the two sides of the effluent weir, the average distance between each spray head and the effluent weir is shortened, and the effluent speed of each spray head is more uniform.

Preferably, the machine body is cylindrical, the diameter of the lower part of the machine body is gradually reduced from top to bottom to form a cone-shaped settling area, the top opening of the mud bucket is communicated with the upper part of the settling area, and a mud discharge port is formed in the lower part of the mud bucket. By adopting the structure, the mud bucket is communicated with the upper part of the settling area, so that the sludge entering the mud bucket can not be circulated again under the action of hydraulic jet, the water content of the sludge in the mud bucket is reduced, and the settling effect is improved.

Preferably, the body is supported by four support legs arranged in a rectangular shape, the size of the mud bucket is gradually reduced from top to bottom, and the bottom of the mud bucket forms a support surface which is flush with the bottom surfaces of the support legs. The structure more than adopting does benefit to mud and gets into the bagger, and the bagger can be as the auxiliary stay of organism simultaneously, makes the mounting structure of organism more stable.

The utility model has the advantages that: the filter layer floats on the whole water surface, so that the filter area is increased, and the filter speed is increased; the position of the filter layer can be adjusted through the height of the water surface, so that the height of the filter layer can be reduced during backwashing, the distance between the filter layer and the backwashing branch pipe is shortened, the backwashing effect is improved, and meanwhile, the light filter material is more dispersed during backwashing, so that the backwashing is more thorough.

Drawings

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

FIG. 2 is a schematic view of the structure of the weir;

fig. 3 is a schematic structural diagram of the backwashing device.

Detailed Description

The invention will be further described by way of examples with reference to the accompanying drawings:

as shown in figure 1, a combined high-efficiency reaction clarification filter mainly comprises a machine body 1, a mud bucket 2, a clarification layer 3, a filter layer 4, a water outlet weir 5, a first reaction chamber 6, a second reaction chamber 7, an ejector 8, a back washing device 9, supporting legs 10, a filter plate 11 and a spray head 12, wherein the machine body 1 is supported by the supporting legs 10, the mud bucket 2, the clarification layer 3, the filter layer 4 and the water outlet weir 5 are sequentially arranged in the machine body 1 from bottom to top, the clarification layer 3 is an inclined tube layer, the ejector 8 is arranged at the bottom of the machine body 1, the first reaction chamber 6 and the second reaction chamber 7 are positioned in the machine body 1, the first reaction chamber 6 is of a conical structure with the diameter gradually reduced from top to bottom, the second reaction chamber 7 is cylindrical, the lower end water outlet of the second reaction chamber 7 is positioned between the mud bucket 2 and the clarification layer 3, the lower end water inlet of the first reaction chamber 6 is positioned below the second reaction chamber 7, the water outlet at the upper end extends into the second reaction chamber 7 and is close to the top of the second reaction chamber 7, the water outlet of the ejector 8 extends into the water inlet of the first reaction chamber 6, and mine water enters from the ejector 8 and then sequentially passes through the first reaction chamber 6, the second reaction chamber 7, the clarification layer 3 and the filter layer 4 and then is discharged from the water outlet weir 5.

As shown in fig. 1 and 3, the machine body 1 is cylindrical, the filter layer 4 is a light filter material floating on the water surface and located above the second reaction chamber 7, the filter layer 4 can be ceramsite or other light filter materials, a filter plate 11 is arranged below the water outlet weir 5, the filter plate 11 is used for blocking the light filter material and preventing the light filter material from overflowing from the water outlet weir 5, the filter plate 11 is horizontally arranged and fixed on the inner wall of the machine body 1, a plurality of uniformly distributed nozzles 12 are arranged on the filter plate 11, and the outlet water is filtered by the filter layer 4 and then sprayed out from the nozzles 12. A back washing device 9 is arranged between the second reaction chamber 7 and the filter layer 4, the back washing device 9 comprises a water inlet pipe 901, a back washing main pipe 902 and a plurality of back washing branch pipes 903 which are uniformly distributed and are connected in sequence, the back washing main pipe 902 is arranged above the second reaction chamber 7, and is arranged coaxially with the machine body 1, one end of the back washing branch pipe 903 is communicated with the back washing main pipe 902, the other end extends horizontally and radially and is fixed on the inner wall of the machine body 1, a plurality of flushing nozzles facing the filter layer 4 are arranged on the back flushing branch pipe 903, the water inlet pipe 901 extends horizontally and radially and is positioned above the back flushing branch pipe 903, the machine body 1 is provided with a back flush water inlet 101 and a back flush water outlet 102, the water inlet pipe 901 is connected with the back flush water inlet 101, and the back flush water outlet 102 is positioned between the back flush branch pipe 903 and the clarification layer 3, so that water sprayed out of the back flush branch pipe 903 can be prevented from being directly discharged from the back flush water outlet 102. During backwashing, the backwashing water outlet 102 is opened to reduce the water level, so that the filter layer 4 is closer to the backwashing branch pipe 903, then the backwashing water inlet 101 is opened, water enters from the backwashing water inlet 101, flows through the water inlet pipe 901, the backwashing main pipe 902 and the backwashing branch pipe 903 in sequence and is sprayed out from the washing nozzle, backwashing is performed on the filter layer 4, backwashing drainage water is discharged from the backwashing water outlet 102, the filter layer 4 is always kept above the backwashing branch pipe 903 and is closer to the backwashing branch pipe 903, meanwhile, the light filter material rolls, disperses and gathers under the impact of water flow in the backwashing process, and the backwashing effect is effectively improved.

As shown in fig. 1 and 2, the effluent weir 5 is cross-shaped, and the cross center of the effluent weir 5 coincides with the center of the machine body 1, and the water sprayed from the nozzles 12 flows into the effluent weir 5 from both sides of the effluent weir 5, so that the average distance between each nozzle 12 and the effluent weir 5 is shortened compared with the existing annular effluent weir, the effluent efficiency is higher, and the effluent of each nozzle 12 is more uniform.

As shown in fig. 1, the machine body 1 is supported by four support legs 10 arranged in a rectangular shape, the diameter of the lower part of the machine body 1 is gradually reduced from top to bottom to form a circular truncated cone-shaped settling area 103, two opposite sides of the bottom of the machine body 1 are respectively provided with a mud bucket 2, the top opening of the mud bucket 2 is communicated with the upper part of the settling area 103, the lower part of the mud bucket 2 is provided with a mud discharge port 201, the size of the mud bucket 2 is gradually reduced from top to bottom, and the bottom of the mud bucket 2 forms a support surface flush with the bottom surfaces of the support legs 10, so that the mud bucket 2 plays a role of auxiliary support for the machine body 1.

Claims

1. A combined high-efficiency reaction clarification filter comprises a machine body (1), wherein a mud bucket (2), a clarification layer (3), a filter layer (4) and a water outlet weir (5) are sequentially arranged in the machine body (1) from bottom to top, an ejector (8) is arranged at the bottom of the machine body (1), a first reaction chamber (6) and a second reaction chamber (7) are further arranged in the machine body (1), a water outlet of the ejector (8) extends into a water inlet at the bottom of the first reaction chamber (6), the top end of the first reaction chamber (6) extends to a position close to the top in the second reaction chamber (7), sewage flows into the second reaction chamber (7) from the top after entering from the bottom of the first reaction chamber (6), a water outlet of the second reaction chamber (7) is positioned at the bottom of the second reaction chamber, and a water outlet of the second reaction chamber (7) is positioned below the clarification layer (3), sewage is discharged from a water outlet weir (5) after sequentially passing through a clarification layer (3) and a filter layer (4) after coming out of a second reaction chamber (7), and is characterized in that: the filter layer (4) is a light filter material floating on the water surface, a filter plate (11) for blocking the light filter material is arranged below the water outlet weir (5), a plurality of uniformly distributed spray heads (12) are arranged on the filter plate (11), the top end of the second reaction chamber (7) extends to a position between the clarification layer (3) and the filter layer (4), a back washing device (9) is arranged between the second reaction chamber (7) and the filter layer (4), the back washing device (9) comprises a water inlet pipe (901), a back washing main pipe (902) and a plurality of uniformly distributed back washing branch pipes (903) which are sequentially connected, one end of each back washing branch pipe (903) is communicated with the back washing main pipe (902), the other end of each back washing branch pipe horizontally extends and is fixed on the inner wall of the machine body (1), and a plurality of washing spray heads facing the filter layer (4) are arranged on the back, a backwashing water inlet (101) and a backwashing water outlet (102) are arranged on the machine body (1), the water inlet pipe (901) is connected with the backwashing water inlet (101), and the backwashing water outlet (102) is positioned between the backwashing branch pipe (903) and the clarification layer (3).

2. The combined high efficiency reaction and clarification filter of claim 1, characterized in that: the machine body (1) is cylindrical, the back washing main pipe (902) is arranged above the second reaction chamber (7) and is coaxial with the machine body (1), the back washing branch pipes (903) extend in the radial direction, and the water inlet pipe (901) extends horizontally and is positioned above the back washing branch pipes (903).

3. The combined high efficiency reaction and clarification filter of claim 1, characterized in that: the water outlet weir (5) is in a cross shape, and the cross center of the water outlet weir coincides with the center of the machine body (1).

4. The combined high efficiency reaction and clarification filter of claim 1, characterized in that: the machine body (1) is cylindrical, the diameter of the lower part of the machine body is gradually reduced from top to bottom to form a cone-shaped settling area (103), the top opening of the mud bucket (2) is communicated with the upper part of the settling area (103), and a mud discharging opening (201) is formed in the lower part of the mud bucket (2).

5. The combined high efficiency reaction and clarification filter of claim 4, characterized in that: the machine body (1) is supported by four support legs (10) which are arranged in a rectangular shape, the size of the mud bucket (2) is gradually reduced from top to bottom, and the bottom of the mud bucket forms a support surface which is flush with the bottom surfaces of the support legs (10).