CN212076632U

CN212076632U - Sedimentation tank with multi-stage filtration function

Info

Publication number: CN212076632U
Application number: CN201921711296.2U
Authority: CN
Inventors: 宋永宾; 陈浩; 刘岩; 王双
Original assignee: Liaoning Baiao Environmental Protection Co ltd
Current assignee: Liaoning Baiao Environmental Protection Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-12-04
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a sedimentation tank with multi-stage filtration function, which relates to the technical field of sewage treatment and solves the technical problem that the prior sedimentation tank only filters impurities in sewage by a filter screen to thoroughly reduce the working efficiency of the sedimentation tank, the sedimentation tank comprises a first sedimentation tank and a second sedimentation tank, wherein the side wall surface of the first sedimentation tank is provided with a water inlet pipe, the other side wall surface of the first sedimentation tank is provided with a water outlet pipe, the side wall surface of the second sedimentation tank is provided with a water supply pipe, the top end of the other side wall surface of the second sedimentation tank is provided with a water outlet pipe, the sedimentation tank carries out primary filtration by the first sedimentation tank, adopts a cyclone to settle large granular substances in the sewage, generates bubbles by an aerator to filter fine suspended matters in the sewage, and discharges the primarily filtered water into the second sedimentation tank to carry out secondary filtration, and during secondary filtration, a flocculating agent is added into the sewage through the filler device, so that chemical substances in the sewage react to generate floccules.

Description

Sedimentation tank with multi-stage filtration function

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sedimentation tank with multistage filtering capability.

Background

The water source is an indispensable resource in people's life, because the utilization of the water source is wide, the water source can be polluted in different degrees, the polluted water has a large amount of impurities, and the polluted water needs to be filtered, for example, in the utility model patent with the name of a biogas slurry sedimentation tank and the publication number of CN208694464U, the arrangement of the sedimentation tank, the feeding pipe, the discharging pipe, the filter plate, the supporting block, the box body, the through hole, the supporting plate, the motor, the gear, the toothed plate and the lifting plate is designed, so that the biogas slurry sedimentation tank has the advantage of filtering the biogas slurry, the practicability of the sedimentation tank is improved, the problem that the traditional biogas slurry sedimentation tank can not filter the biogas slurry is solved, the circulation state of the biogas slurry in the feeding pipe can be controlled by using the first valve, the filter plate can be cleaned and replaced by workers conveniently by using the box door, use through the mount, can consolidate the motor, strengthen the stability of motor, consolidate the motor, through the fixed block, the cooperation of spout and slider is used, can support and spacing the removal of pinion rack, protect the pinion rack, use through the second valve, make things convenient for the staff to emit the natural pond liquid in the sedimentation tank, use through the water pump, can take out the natural pond liquid in the sedimentation tank, but current sedimentation tank only adopts and subsides in the natural pond liquid, subside the kind to sewage and have the limitation, and current sedimentation tank only filters through a filter screen, still there is slight impurity in the sewage after the filtration, thereby make the impurity filtration in the sewage thorough inadequately, the work efficiency of sedimentation tank has been reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a sedimentation tank with multiple stage filtration function has solved current sedimentation tank and has only filtered the technical problem who makes the impurity in the sewage thoroughly reduce sedimentation tank work efficiency inadequately through a filter screen.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a sedimentation tank with a multistage filtering function comprises a first sedimentation tank and a second sedimentation tank, wherein a water inlet pipe is installed on the side wall surface of the first sedimentation tank, a water outlet pipe is installed on the other side wall surface of the first sedimentation tank, a water feeding pipe is installed on the side wall surface of the second sedimentation tank, a water discharging pipe is installed at the top end of the other side wall surface of the second sedimentation tank, the water outlet pipe is fixedly connected with the water feeding pipe through a communicating pipe, a water pump is installed on the communicating pipe, sludge discharging pipes are respectively installed on the lower wall surfaces of the first sedimentation tank and the second sedimentation tank, a cyclone is installed in the first sedimentation tank through a supporting frame, the water inlet end of the cyclone is connected with the water inlet pipe, a first filter plate is installed between the cyclone and the inner wall surface of the first sedimentation tank, an aeration pipe is installed below the first filter plate on the inner wall surface of the, the aerator is characterized in that the output end of the aerator is connected with an aerator pipe, a water distribution chamber is installed in the second sedimentation tank, the water inlet end of the water distribution chamber is connected with a water supply pipe, a filler device is installed at the top end of the second sedimentation tank, the discharge end of the filler device penetrates through the top end of the second sedimentation tank and is communicated with the top end of the water distribution chamber, and a second filter plate is installed between the water outlet of the water distribution chamber and the inner wall surface of the second sedimentation tank.

Preferably, the packing device comprises a packing box, the packing box is fixedly mounted on the upper wall surface of the second sedimentation tank, a discharge pipe is mounted on the lower wall surface of the packing box, the discharge pipe penetrates through the upper wall surface of the second sedimentation tank and is communicated with the water distribution chamber, a motor is mounted on the packing box, a stirring rod is mounted on a motor driving end, the stirring rod penetrates through the upper wall surface of the packing box and is located in the packing box, and a feeding hole is mounted in the side wall surface of the packing box.

Preferably, a plurality of baffles with the same structure are installed in the water distribution chamber, the baffles are mutually staggered and located in the water distribution chamber, and the baffles are mutually staggered to form a stepped structure.

Preferably, the drain pipe is located the second settling basin inner and is the hose material, install the balancing weight on the drain pipe second settling basin inner, install the cursory on the balancing weight.

Preferably, the first filter plate and the second filter plate are funnel-shaped structures respectively.

Preferably, the aeration pipe is installed on the inner wall surface of the first sedimentation tank in an annular structure.

Preferably, the lower wall surfaces of the first settling tank and the second settling tank are respectively provided with a settling tank, and the settling tanks are respectively communicated with the sludge discharge pipe.

Preferably, the side wall surfaces of the first sedimentation tank and the second sedimentation tank are respectively provided with a liquid level meter.

Advantageous effects

The utility model provides a sedimentation tank with multi-stage filtration function, which solves the technical problem that the impurity in the sewage is not filtered thoroughly enough to reduce the working efficiency of the sedimentation tank by only one-time filtering of a filter screen in the existing sedimentation tank, the utility model carries out primary filtration by a first sedimentation tank, adopts a cyclone to settle the large granular substances in the sewage, and generates bubbles to filter the fine suspended matters in the sewage by an aerator, then discharges the water after the primary filtration into a second sedimentation tank for secondary filtration, adds a flocculating agent in the sewage by a filling device during the secondary filtration, causes the chemical substances in the sewage to react to generate floccules, baffles which are mutually staggered in a ladder shape in a water distribution chamber can increase the reaction path of the sewage and the flocculating agent, causes the sewage to fully react with the flocculating agent, and is filtered by a second filter screen, and the water after the secondary filtration is discharged by a drain pipe, the balancing weight and the buoy on the drain pipe can make the output end of the drain pipe always keep at the liquid level, so that the filtered water is discharged continuously, and impurities in the first settling pond and the second settling pond can be regularly discharged and removed through the external mud discharging device of the mud discharging pipe.

Drawings

Fig. 1 is a schematic view of a main structure of a sedimentation tank with a multi-stage filtration function.

Fig. 2 is the structure schematic diagram of a filling device of a sedimentation tank with a multi-stage filtration function.

In the figure: 1-a first settling tank; 2-a second sedimentation tank; 3-water inlet pipe; 4-water outlet pipe; 5-a water supply pipe; 6, a drain pipe; 7-communicating pipe; 8-a water pump; 9-a sludge discharge pipe; 10-a support frame; 11-a cyclone; 12-a first filter plate; 13-an aerator pipe; 14-an aerator; 15-water distribution chamber; 16-a second filter plate; 17-stuffing box; 18-a discharge pipe; 19-a motor; 20-a stirring rod; 21-a feed inlet; 22-a baffle; 23-a counterweight block; 24-floating; 25-a deposition tank; 26-liquid level meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a sedimentation tank with a multistage filtering function comprises a first sedimentation tank 1 and a second sedimentation tank 2, wherein a water inlet pipe 3 is arranged on the side wall surface of the first sedimentation tank 1, a water outlet pipe 4 is arranged on the other side wall surface of the first sedimentation tank 1, a water feeding pipe 5 is arranged on the side wall surface of the second sedimentation tank 2, a water discharging pipe 6 is arranged at the top end of the other side wall surface of the second sedimentation tank 2, the water outlet pipe 4 is fixedly connected with the water feeding pipe 5 through a communicating pipe 7, a water pump 8 is arranged on the communicating pipe 7, mud discharging pipes 9 are respectively arranged on the lower wall surfaces of the first sedimentation tank 1 and the second sedimentation tank 2, a cyclone 11 is arranged in the first sedimentation tank 1 through a support frame 10, the water inlet end of the cyclone 11 is connected with the water inlet pipe 3, a first filter plate 12 is arranged between the cyclone 11 and the inner wall surface of the first sedimentation tank 1, and an aeration pipe 13 is arranged below the first, the outer wall surface of the first sedimentation tank 1 is provided with an aerator 14, the output end of the aerator 14 is connected with an aerator pipe 13, a water distribution chamber 15 is arranged in the second sedimentation tank 2, the water inlet end of the water distribution chamber 15 is connected with a water supply pipe 5, the top end of the second sedimentation tank 2 is provided with a filler device, the discharge end of the filler device penetrates through the top end of the second sedimentation tank and is communicated with the top end of the water distribution chamber 15, a second filter plate 16 is arranged between the water outlet of the water distribution chamber 15 and the inner wall surface of the second sedimentation tank 2, the filler device comprises a filler box 17, the filler box 17 is fixedly arranged on the upper wall surface of the second sedimentation tank 2, the lower wall surface of the filler box 17 is provided with a discharge pipe 18, the discharge pipe 18 penetrates through the upper wall surface of the second sedimentation tank 2 and is communicated with the water distribution chamber 15, the filler box 17 is provided with, the stirring rod 20 penetrates through the upper wall surface of the stuffing box 17 and is positioned in the stuffing box 17, a feeding hole 21 is arranged on the side wall surface of the stuffing box 17, a plurality of baffles 22 with the same structure are arranged in the water distribution chamber 15, the baffles 22 are mutually staggered to form a step-shaped structure, the inner end of the second sedimentation tank 2 of the drain pipe 6 is made of a hose material, the inner end of the second sedimentation tank 2 of the drain pipe 6 is provided with a balancing weight 23, the balancing weight 23 is provided with a buoy 24, the first filter plate 12 and the second filter plate 16 are funnel-shaped structures respectively, the aeration pipe 13 is arranged on the inner wall surface of the first sedimentation tank 1 in an annular structure, the lower wall surfaces of the first sedimentation tank 1 and the second sedimentation tank 2 are respectively provided with a sedimentation tank 25, the sedimentation tanks 25 are respectively communicated with a sludge discharge pipe 9, liquid level meters 26 are respectively arranged on the side wall surfaces of the first sedimentation tank 1 and the second sedimentation tank 2.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Example (b): in the above, the power input ends of the water pump 8, the aerator 13 and the motor 19 are electrically connected with the external power supply through wires, as can be seen from the attached drawings 1-2 in the specification, when in use, sewage is discharged into the cyclone 11 in the first sedimentation tank 1 through the water inlet pipe 3, the cyclone 11 primarily settles impurities of larger substances in the water, at this time, the larger substances are discharged through the output end of the cyclone 11 and settle into the sedimentation tank 25, at this time, some fine suspended matters still exist in the sewage, the aerator 14 is started, the aerator 14 generates a large amount of fine bubbles and discharges the fine bubbles through the aeration pipe 13, the fine suspended matters in the sewage attached to the bubbles float upwards and are blocked by the first filter plate 12, the first filter plate 12 is in an inclined state, therefore, the blocked suspended matters can slide down into the sedimentation tank 25 along the inclined plane, at this time, the filtered sewage is discharged out of the water outlet pipe 4, the water pump 8 discharges the filtered sewage into the water distribution chamber 15 in the second sedimentation tank 2 through the communicating pipe 7 and the water supply pipe 5, at this time, a flocculating agent is put into the stuffing box 17 through the feed inlet 21, the motor 19 is started, the motor 19 drives the stirring rod 20 to stir the flocculating agent, the stirred flocculating agent is discharged into the water distribution chamber 15 through the discharge pipe 18, and the flocculating agent is enabled to react with the filtered sewage, wherein the baffle plates 22 which are staggered in the water distribution chamber 15 and have the ladder-shaped structure can prolong the reaction path of the sewage and the flocculating agent, so that the flocculation reaction is more thorough, the sewage after the flocculation reaction generates a large amount of floccules and is discharged through the outlet of the water distribution chamber 11, at this time, the floccules are blocked by the second filter plate 16, the floccules slide down into the sedimentation tank 25 along the inclined plane of the second filter plate 16, at this time, the sewage after the second, the drain pipe 9 is located one of the second settling basin 2 and serves and make the input of drain pipe 9 be located the liquid level all the time through balancing weight 23 once, and cursory 24 on the balancing weight 23 can make the input of drain pipe 9 float from top to bottom along with the floating of liquid level, guarantees the incessant emission of sewage after the secondary filtration, and the deposit in the sedimentation tank 25 can be cleared away through the regular row's of the external mud equipment of mud pipe 9 mud discharging.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Claims

1. The sedimentation tank with the multistage filtering function comprises a first sedimentation tank (1) and a second sedimentation tank (2), wherein a water inlet pipe (3) is installed on the side wall surface of the first sedimentation tank (1), a water outlet pipe (4) is installed on the side wall surface of the first sedimentation tank (1), a water supply pipe (5) is installed on the side wall surface of the second sedimentation tank (2), a water discharge pipe (6) is installed at the top end of the side wall surface of the second sedimentation tank (2), the sedimentation tank is characterized in that the water outlet pipe (4) and the water supply pipe (5) are fixedly connected through a communication pipe (7), a water pump (8) is installed on the communication pipe (7), mud discharge pipes (9) are respectively installed on the lower wall surfaces of the first sedimentation tank (1) and the second sedimentation tank (2), a cyclone (11) is installed in the first sedimentation tank (1) through a support frame (10), and the water inlet end of the cyclone (11) is connected with the water inlet pipe, install first filter (12) between swirler (11) and first sedimentation tank (1) internal face, aeration pipe (13) are installed to first sedimentation tank (1) internal face position in first filter (12) below, first sedimentation tank (1) outer wall face position is installed aeration machine (14), aeration machine (14) output is connected with aeration pipe (13), install in second sedimentation tank (2) and join in marriage hydroecium (15), it is connected with feed pipe (5) to join in marriage hydroecium (15) intake end, filler device is installed on second sedimentation tank (2) top, filler device discharge end runs through second sedimentation tank top and joins in marriage hydroecium (15) top and is linked together, it installs second filter (16) to join in marriage between hydroecium (15) delivery port and second sedimentation tank (2) internal face.

2. The sedimentation tank with the multistage filtering function as claimed in claim 1, wherein the filling device comprises a filling box (17), the filling box (17) is fixedly mounted on the upper wall surface of the second sedimentation tank (2), a discharge pipe (18) is mounted on the lower wall surface of the filling box (17), the discharge pipe (18) penetrates through the upper wall surface of the second sedimentation tank (2) and is communicated with the water distribution chamber (15), a motor (19) is mounted on the filling box (17), a stirring rod (20) is mounted on the driving end of the motor (19), the stirring rod (20) penetrates through the upper wall surface of the filling box (17) and is located in the filling box (17), and a feeding hole (21) is mounted on the side wall surface of the filling box (17).

3. The sedimentation tank with the multistage filtering function as claimed in claim 1, wherein a plurality of baffles (22) with the same structure are installed in the water distribution chamber (15), the baffles (22) are staggered with each other in the water distribution chamber (15), and the baffles (22) are staggered with each other to form a stepped structure.

4. The sedimentation tank with the multistage filtering function as claimed in claim 1, wherein the drain pipe (6) is located at the inner end of the second sedimentation tank (2) and is made of a hose material, a balancing weight (23) is installed at the inner end of the second sedimentation tank (2) of the drain pipe (6), and a float (24) is installed on the balancing weight (23).

5. A settler with multiple filtering functions according to claim 1, wherein said first filter plate (12) and said second filter plate (16) are funnel-shaped.

6. The settling tank with the multistage filtering function as claimed in claim 1, wherein the aeration pipe (13) is installed on an inner wall surface of the first settling tank (1) in a ring-shaped structure.

7. The sedimentation tank with the multistage filtering function as claimed in claim 1, wherein the lower wall surfaces of the first sedimentation tank (1) and the second sedimentation tank (2) are respectively provided with sedimentation grooves (25), and the sedimentation grooves (25) are respectively communicated with a sludge discharge pipe (9).

8. The sedimentation tank with multi-stage filtration function as claimed in claim 1, wherein the first sedimentation tank (1) and the second sedimentation tank (2) are respectively provided with a liquid level meter (26) on the side wall surface.