CN216857671U

CN216857671U - Efficient slag removal system for effluent weir of sewage treatment secondary sedimentation tank

Info

Publication number: CN216857671U
Application number: CN202220456230.9U
Authority: CN
Inventors: 李振东; 孙士杰
Original assignee: Wanchuang Environmental Protection Co ltd
Current assignee: Wanchuang Environmental Protection Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-01
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a high-efficiency slag removal system for a water outlet weir of a secondary sedimentation tank for sewage treatment, which comprises a secondary sedimentation tank body, a mixing sedimentation tank and a water outlet purification tank, wherein the mixing sedimentation tank and the water outlet purification tank are arranged in parallel, an overflow port is communicated between the mixing sedimentation tank and the water outlet purification tank, the upper end of the secondary sedimentation tank body is fixedly provided with a fixed frame, the inner wall of the fixed frame is vertically inserted with a first rotating shaft and a second rotating shaft, the outer wall of the upper end of the first rotating shaft is sleeved with a first driven gear, the outer wall of the second rotating shaft is sleeved with a second driven gear, and a driving gear is meshed and connected between the first driven gear and the second driven gear. The utility model overcomes the defects of the prior art, has reasonable design, effectively removes impurities attached to the inner wall of the secondary sedimentation tank through high-pressure gas, reduces labor force, has high efficiency and has higher social use value and application prospect.

Description

Efficient slag removal system for effluent weir of sewage treatment secondary sedimentation tank

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an efficient slag removal system for an effluent weir of a sewage treatment secondary sedimentation tank.

Background

The sewage treatment plant is an important facility for energy conservation and emission reduction, and along with the improvement of environmental protection supervision and environmental protection consciousness of people, the importance of the stable operation and standard discharge of the sewage treatment plant is paid more and more attention.

The secondary sedimentation tank is an important component of an activated sludge system of a sewage treatment plant, and mainly has the functions of clarifying and concentrating mixed liquor in a biochemical reaction tank, completing a sludge-water separation process and refluxing activated sludge. The operation effect directly influences the effluent quality and the return sludge concentration of the activated sludge system.

In the use process of the prior secondary sedimentation tank, impurities such as moss are bred on the secondary sedimentation tank effluent weir, the operation effect of a sewage treatment system is directly influenced, and the technical problem which troubles a sewage treatment plant is how to effectively remove the interference of the impurities such as moss on the effluent quality.

The moss begins to grow in spring, and is attached to the wall of the pool like hairs in the early stage, so that the moss is dark green in color; gradually heating to about 22 deg.C, and suspending in water; when the moss is aged, the moss can be changed into cotton floccules, floats on the water surface, is yellow green in color and greasy and smooth in hand feeling, and can block the weir port of the secondary sedimentation tank water outlet to influence the effluent quality if not cleaned in time.

At present, the sewage treatment plant cleans moss growing on the side wall of the secondary sedimentation tank effluent weir by adopting the following two modes:

1. manually cleaning, and peeling the moss from the wall of the pool by using a brush or a high-pressure water gun. The mode has high labor intensity and low efficiency, and has potential safety hazard in the operation process.

2. Cleaning with chemicals, and adding chlorine and ozone to kill moss directly. This may affect the effluent quality and increase the cost of wastewater treatment.

Therefore, in view of this, the utility model, having the experience of abundant design development and actual production in this related industry for many years, provides a high-efficient slag removal system for effluent weir of sewage treatment secondary sedimentation tank, which is developed and improved according to the existing structure and deficiency, in order to achieve the purpose of more practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems mentioned in the background technology, the utility model provides an efficient slag removal system for a water outlet weir of a sewage treatment secondary sedimentation tank.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a high-efficiency slag removal system for a sewage treatment secondary sedimentation tank effluent weir comprises a secondary sedimentation tank body, a mixing sedimentation tank and an effluent purification tank, wherein the mixing sedimentation tank and the effluent purification tank are arranged side by side, an overflow port is communicated between the mixing sedimentation tank and the effluent purification tank, a fixing frame is fixedly arranged at the upper end of the secondary sedimentation tank body, a first rotating shaft and a second rotating shaft are vertically inserted into the inner wall of the fixing frame, a first driven gear is sleeved on the outer wall of the upper end of the first rotating shaft, a second driven gear is sleeved on the outer wall of the second rotating shaft, and a driving gear is meshed and connected between the first driven gear and the second driven gear;

the inner wall of driving gear is connected with the motor through the pivot, and the motor sets up in the upper end of mount.

The first rotating shaft is of a hollow structure, the top of the first rotating shaft is inserted with an air inlet pipe, and a bearing is sleeved between the air inlet pipe and the hollow inner wall of the first rotating shaft;

the circumferential side wall of the extending end in the second rotating shaft direction water outlet purification tank is provided with a plurality of groups of filtering impellers in a surrounding manner, and filter elements are arranged in the filtering impellers.

Preferably, the side wall of the extending end in the first rotating shaft direction secondary sedimentation tank body is symmetrically provided with a hollow connecting rod, and one end of the hollow connecting rod, which is far away from the first rotating shaft, is provided with a hollow scraper blade and is attached to the side wall of the mixed sedimentation tank.

Preferably, the diapire slope of cavity connecting rod is provided with the connecting axle, and the connecting axle downwardly extending end is equipped with the mud scraper, and the diapire of mud scraper is equipped with the cleaning brush, first rotation axis, cavity connecting rod, cavity scraper blade, connecting axle, mud scraper are hollow structure, and first rotation axis, cavity connecting rod, cavity scraper blade communicate in proper order, and cavity connecting rod, connecting axle, mud scraper communicate in proper order.

Preferably, the top of first rotation axis and second rotation axis is equipped with spacing roof respectively, and the bottom edge of spacing roof is equipped with annular stopper, and annular stopper extends to the up end of mount, and the up end of mount is equipped with the annular spacing groove that corresponds with annular stopper.

Preferably, a filter screen is arranged in the overflow port.

Preferably, the filter element is PP cotton or an activated carbon rod.

Preferably, one side of the bottom of the effluent purifying tank is communicated with a drain pipe.

Preferably, the bottom of the mixing sedimentation tank is of a conical structure and is communicated with a sludge discharge pipeline, and a pipeline at the outward extending end of the sludge discharge pipeline is provided with a delivery pump.

Preferably, the hollow scraper blade is provided with two symmetrical flexible protruding strips towards one end of the side wall of the mixed sedimentation tank, a plurality of through holes are formed between the two flexible protruding strips, and the through holes are communicated with the hollow structure of the hollow scraper blade.

Compared with the prior art, the utility model has the beneficial effects that:

1. the high-pressure gas is discharged to the inner wall of the mixing sedimentation tank through the hollow connecting rod, the hollow scraper and the through hole, so that the introduced high-pressure gas is convenient for the hollow scraper to effectively scrape impurities such as sludge and the like;

2. high-pressure gas is discharged to the inner bottom wall of the mixing sedimentation tank through the hollow connecting rod, the connecting shaft and the mud scraper, so that the introduced high-pressure gas is convenient for the mud scraper to effectively scrape impurities such as silt, the silt is convenient to discharge, and the blocking phenomenon is avoided;

3. through setting up filtering impeller and filter core for sewage in the play water purification tank obtains further filtration, effectively promotes quality of water.

In conclusion, the utility model overcomes the defects of the prior art, has reasonable design, effectively removes impurities attached to the inner wall of the secondary sedimentation tank through high-pressure gas, reduces labor force, has high efficiency and has higher social use value and application prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a schematic view of the construction of the filter impeller of the present invention;

FIG. 3 is a schematic view of the construction of the hollow scraping plate of the present invention;

fig. 4 is a schematic sectional view of the hollow flight of the present invention.

In the figure: the device comprises a secondary sedimentation tank body 1, a mixed sedimentation tank 2, an effluent purification tank 3, a fixing frame 4, a first rotating shaft 5, a hollow connecting rod 6, a hollow scraper 7, a flexible protruding strip 71, a through hole 72, a connecting shaft 8, a mud scraper 9, a cleaning brush 10, a second rotating shaft 11, a filtering impeller 111, a filter element 112, an overflow port 12, a driving gear 13, a first driven gear 14, a second driven gear 15, a limit top plate 16, an air inlet pipe 17, a high-pressure air pump 18, a motor 19, a drain pipe 20, a sludge discharge pipeline 21 and a conveying pump 22.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a high-efficiency slag removal system for a water outlet weir of a secondary sedimentation tank for sewage treatment comprises a secondary sedimentation tank body 1, a mixing sedimentation tank 2 and a water outlet purification tank 3, wherein the mixing sedimentation tank 2 and the water outlet purification tank 3 are arranged in parallel, an overflow port 12 is communicated between the mixing sedimentation tank 2 and the water outlet purification tank 3, and a filter screen is arranged in the overflow port 12 and can preliminarily filter a part of impurities; a fixing frame 4 is fixedly arranged at the upper end of the secondary sedimentation tank body 1, a first rotating shaft 5 and a second rotating shaft 11 are vertically inserted into the inner wall of the fixing frame 4, a first driven gear 14 is sleeved on the outer wall of the upper end of the first rotating shaft 5, a second driven gear 15 is sleeved on the outer wall of the second rotating shaft 11, and a driving gear 13 is engaged and connected between the first driven gear 14 and the second driven gear 15;

the inner wall of the driving gear 13 is connected with a motor 19 through a rotating shaft, and the motor 19 is arranged at the upper end of the fixed frame 4.

The first rotating shaft 5 is of a hollow structure, the top of the first rotating shaft 5 is inserted with an air inlet pipe 17, and a bearing is sleeved between the air inlet pipe 17 and the hollow inner wall of the first rotating shaft 5, so that the fixed installation of the air inlet pipe 17 cannot be influenced when the first rotating shaft 5 rotates;

a plurality of groups of filtering impellers 111 are arranged on the circumferential side wall of the extending end of the second rotating shaft 11 towards the effluent purifying tank 3 in a surrounding manner, a filter element 112 is arranged in each filtering impeller 111, and each filter element 112 is made of PP cotton or an activated carbon rod, so that the further purifying effect is achieved, and the water quality is improved;

the side wall of the end, extending towards the inside of the secondary sedimentation tank body 1, of the first rotating shaft 5 is symmetrically provided with hollow connecting rods 6, one end, away from the first rotating shaft 5, of each hollow connecting rod 6 is provided with a hollow scraper 7 and is attached to the side wall of the mixing sedimentation tank 2, one end, towards the side wall of the mixing sedimentation tank 2, of each hollow scraper 7 is provided with two symmetrical flexible protruding strips 71, a plurality of through holes 72 are formed between the two flexible protruding strips 71, and the through holes 72 are communicated with the hollow structures of the hollow scrapers 7;

the hollow scraper 7 drives the flexible raised strips 71 to scrape off impurities such as sludge and the like attached to the inner wall of the mixing sedimentation tank 2, and meanwhile, air is introduced into the first rotating shaft 5 through the air inlet pipe 17 by the high-pressure air pump 18, so that the air can be discharged to the inner wall of the mixing sedimentation tank 2 through the hollow connecting rod 6, the hollow scraper 7 and the through hole 72, and the introduced high-pressure air is convenient for the hollow scraper 7 to effectively scrape off the impurities such as the sludge and the like;

similarly, the high-pressure gas is discharged to the inner bottom wall of the mixing and settling tank 2 through the hollow connecting rod 6, the connecting shaft 8 and the mud scraper 9, so that the introduced high-pressure gas is convenient for the mud scraper 9 to effectively scrape impurities such as silt and the like, the silt is convenient to discharge, and the blocking phenomenon is avoided;

the diapire slope of cavity connecting rod 6 is provided with connecting

axle

8, and 8 downwardly extending ends of connecting axle are equipped with mud scraper 9, and a plurality of groups of gas pockets have been seted up to the diapire of mud scraper 9, and the diapire of mud scraper 9 is equipped with cleaning brush 10, and first rotation axis 5, cavity connecting rod 6, cavity scraper blade 7, connecting axle 8, mud scraper 9 are hollow structure, and first rotation axis 5, cavity connecting rod 6, cavity scraper blade 7 communicate in proper order, and cavity connecting rod 6, connecting axle 8, mud scraper 9 communicate in proper order.

The top of first rotation axis 5 and second rotation axis 11 is equipped with spacing roof 16 respectively, and the bottom edge of spacing roof 16 is equipped with annular stopper, and annular stopper extends to the up end of mount 4, and the up end of mount 4 is equipped with the annular spacing groove that corresponds with annular stopper.

One side of the bottom of the water outlet purifying tank 3 is communicated with a drain pipe 20, and the filtered and purified sewage is discharged outwards through the drain pipe 20.

The bottom of the mixing sedimentation tank 2 is of a conical structure and is communicated with a sludge discharge pipeline 21, and a pipeline at the outward extending end of the sludge discharge pipeline 21 is provided with a delivery pump 22.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the utility model.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a be used for high-efficient scarfing cinder system of sewage treatment secondary sedimentation pond play weir, includes secondary sedimentation pond body (1), mixes sedimentation tank (2) and goes out water purification tank (3), mix sedimentation tank (2) and go out water purification tank (3) and set up side by side, it has overflow mouth (12), its characterized in that to mix the intercommunication between sedimentation tank (2) and play water purification tank (3):

a fixing frame (4) is fixedly arranged at the upper end of the secondary sedimentation tank body (1), a first rotating shaft (5) and a second rotating shaft (11) are vertically inserted into the inner wall of the fixing frame (4), a first driven gear (14) is sleeved on the outer wall of the upper end of the first rotating shaft (5), a second driven gear (15) is sleeved on the outer wall of the second rotating shaft (11), and a driving gear (13) is engaged and connected between the first driven gear (14) and the second driven gear (15);

the first rotating shaft (5) is of a hollow structure, an air inlet pipe (17) is inserted into the top of the first rotating shaft (5), and a bearing is sleeved between the air inlet pipe (17) and the hollow inner wall of the first rotating shaft (5);

the second rotating shaft (11) extends to the circumferential side wall of the end of the effluent purifying tank (3) and is provided with a plurality of groups of filtering impellers (111) in a surrounding manner, and filter elements (112) are arranged in the filtering impellers (111).

2. The efficient slag removal system for the effluent weir of the sewage treatment secondary sedimentation tank as claimed in claim 1, wherein: the side wall symmetry that first rotation axis (5) extended the end to two heavy pond body (1) in is equipped with cavity connecting rod (6), and the one end that first rotation axis (5) was kept away from in cavity connecting rod (6) is equipped with cavity scraper blade (7) to laminate with the lateral wall of mixing sedimentation tank (2).

3. The efficient slag removal system for the effluent weir of the sewage treatment secondary sedimentation tank as claimed in claim 2, wherein: the utility model discloses a cleaning brush, including cavity connecting rod (6), connecting axle (8) downwardly extending end, cleaning brush (10), first rotation axis (5), cavity connecting rod (6), cavity scraper blade (7), connecting axle (8), scraper blade (9) are hollow structure, and first rotation axis (5), cavity connecting rod (6), cavity scraper blade (7) communicate in proper order, and cavity connecting rod (6), connecting axle (8), scraper blade (9) communicate in proper order.

4. The efficient slag removal system for the effluent weir of the sewage treatment secondary sedimentation tank as claimed in claim 1, wherein: the top of first rotation axis (5) and second rotation axis (11) is equipped with spacing roof (16) respectively, and the bottom edge of spacing roof (16) is equipped with annular stopper, and annular stopper extends to the up end of mount (4), and the up end of mount (4) is equipped with the annular spacing groove that corresponds with annular stopper.

5. The high-efficiency slag removal system for the effluent weir of the sewage treatment secondary sedimentation tank as claimed in claim 1, wherein: a filter screen is arranged in the overflow port (12).

6. The efficient slag removal system for the effluent weir of the sewage treatment secondary sedimentation tank as claimed in claim 1, wherein: the filter element (112) is PP cotton or an activated carbon rod.

7. The efficient slag removal system for the effluent weir of the sewage treatment secondary sedimentation tank as claimed in claim 1, wherein: one side of the bottom of the water outlet purification tank (3) is communicated with a water outlet pipe (20).

8. The efficient slag removal system for the effluent weir of the sewage treatment secondary sedimentation tank as claimed in claim 1, wherein: the bottom of the mixing sedimentation tank (2) is of a conical structure and is communicated with a sludge discharge pipeline (21), and a delivery pump (22) is installed on a pipeline at the outwards extending end of the sludge discharge pipeline (21).

9. The efficient slag removal system for the effluent weir of the sewage treatment secondary sedimentation tank as claimed in claim 2, wherein: the hollow scraper (7) is provided with two symmetrical flexible protruding strips (71) towards one end of the side wall of the mixed sedimentation tank (2), a plurality of through holes (72) are formed between the two flexible protruding strips (71), and the through holes (72) are communicated with the hollow structure of the hollow scraper (7).