CN212680163U

CN212680163U - High-efficiency vertical flow type clarification tank

Info

Publication number: CN212680163U
Application number: CN202021093789.7U
Authority: CN
Inventors: 黄启荣
Original assignee: Shanmeiyoushui Environmental Protection Technology Shanghai Co ltd
Current assignee: Shanmeiyoushui Environmental Protection Technology Shanghai Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-03-12
Anticipated expiration: 2030-06-12

Abstract

The utility model relates to a high-efficiency vertical flow type clarification tank, which belongs to the technical field of water treatment and solves the technical problem of poor clarification effect of the prior clarification tank, and the clarification tank comprises a tank body, a water inlet pipe, a water outlet pipe, a mud discharge pipe and a mud scraping device; a central cylinder is vertically arranged in the tank body, the water inlet pipe penetrates through the tank body and is communicated with the central cylinder in a tangential water inlet mode, so that the inlet water in the water inlet pipe enters the central cylinder and then spirally flows along the cylinder wall, and a solid-liquid separation effect is generated; the diameter of the central cylinder is larger than that of the water inlet pipe, so that the flow velocity of water flow can be slowed down, and the solid-liquid separation time is prolonged; the clarified treated water flows into a water outlet channel arranged in the tank body and finally flows into a water outlet pipe, a conical mud bucket is arranged at the bottom of the tank body, and a mud discharge pipe is communicated with the mud bucket. The mixed sludge deposited to the bottom of the tank body is scraped into a mud bucket through a mud scraping device, the mixed sludge is activated by the mud scraping device in the mud bucket, and finally the mixed sludge in the mud bucket is discharged out of the clarification tank through an external sludge pump.

Description

High-efficiency vertical flow type clarification tank

Technical Field

The utility model belongs to the technical field of water treatment, in particular to high-efficient vertical flow clarification tank.

Background

The clarification tank is special equipment developed for improving the upgrading, upgrading and modification projects of municipal sewage treatment plants and the treatment efficiency of the magnetic separation technology with extremely wide application of industrial wastewater treatment. Sewage enters a clarification tank through a water inlet pipe after being subjected to dosing flocculation reaction in the preorder equipment, mixed sludge with a solid-liquid separation effect is settled at the bottom of the tank and then is discharged through a sludge discharge pipe, and clarified treated water is discharged through a water outlet pipe.

Most of the existing clarification tanks are communicated with a water inlet pipe and a water outlet pipe directly, and the clarification effect of the clarification tank is poor and has the following defects:

1. sewage after the flocculation reaction can be after getting into the clarification tank through the inlet tube, and its solid-liquid separation's effect has weakened, and flocculent mixed sludge can only subside through the gravity of self, and whole settlement process is consuming time longer, makes partial mixed sludge in the settlement process directly discharge through the outlet pipe easily, influences the operation of follow-up system equipment.

2. Some mixed sludge settled at the bottom of the tank is attached to the bottom of the tank, and the mixed sludge attached to the bottom of the tank cannot be discharged through a sludge discharge pipe, so that the solid-liquid separation effect of the clarification tank is influenced.

Therefore, a more efficient clarification tank is urgently needed, the solid-liquid separation effect of the sewage entering from the water inlet pipe can be improved, and the mixed sludge settled at the bottom of the tank can be cleaned, so that a better clarification effect is achieved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficient vertical flow clarification tank has solved the not good technical problem of current clarification tank clarification effect.

The utility model discloses a following technical scheme realizes:

the high-efficiency vertical flow clarification tank comprises a tank body, a water inlet pipe, a water outlet pipe, a sludge discharge pipe and a sludge scraping device;

a central cylinder is vertically arranged in the tank body, the water inlet pipe penetrates through the tank body and is communicated with the central cylinder in a tangential water inlet mode, and the diameter of the central cylinder is larger than that of the water inlet pipe; a water outlet channel is arranged in the tank body, and the water outlet pipe is communicated with the water outlet channel; the bottom of cell body is equipped with conical bagger, the bagger is located under the center section of thick bamboo, the mud pipe with the bagger intercommunication.

The mud scraping device comprises a driving motor, a rotating shaft, a pool bottom scraper and a mud bucket scraper, the motor is fixedly connected with the rotating shaft, the rotating shaft penetrates through the center barrel, the pool body scraper and the mud bucket scraper are installed in the rotating shaft and located below the center barrel, the pool bottom scraper is located at the bottom of the pool body, the mud bucket scraper is located in the mud bucket, a fixing seat is further arranged at the bottom of the mud bucket, and the lower end of the rotating shaft is connected in a rotating mode in a inserting mode in the fixing seat.

Further, for better realization the utility model discloses, the ditch is the cross, the tip of ditch with cell body inner wall fixed connection, a center section of thick bamboo passes the center of ditch and with ditch sealing connection.

Further, for better realization the utility model discloses, the both sides of outlet channel all are equipped with a plurality of play water weir mouths.

Further, for better realization the utility model discloses, the upper end of a center section of thick bamboo is higher than go out the ditch.

Further, for better realization the utility model discloses, be equipped with the canal that catchments in the cell body, the outlet pipe is less than go out the canal, it connects to catchment the canal go out the canal with the outlet pipe.

Further, for better realization the utility model discloses, the bottom of the pool scraper blade includes the axle sleeve, scrapes arm and first scraper blade, the axle sleeve can be dismantled and be fixed in the pivot, scrape the arm one end with axle sleeve fixed connection, first scraper blade is located scrape the arm below and with scrape arm fixed connection.

Further, for better realization the utility model discloses, the quantity of scraping the arm is a plurality of to every is scraped and all is equipped with a plurality of parallel arrangement's first scraper blade on the arm.

Further, for better realization the utility model discloses, the scraper blade with the contained angle of scraping the arm is 45.

Further, for better realization the utility model discloses, the bagger scraper blade includes a plurality of second scraper blades, and is a plurality of the second scraper blade circumference evenly is fixed in form a set of in the pivot the bagger scraper blade.

Further, for better realization the utility model discloses, the quantity of bagger scraper blade is two sets of, and the scraper blade of two sets of bagger scraper blades is crisscross to be set up.

The utility model discloses compare in prior art and have following beneficial effect:

the utility model provides a clarification tank which comprises a tank body, a water inlet pipe, a water outlet pipe, a sludge discharge pipe and a sludge scraping device; a central cylinder is vertically arranged in the tank body, a conical mud bucket is arranged at the bottom of the tank body, a mud discharge pipe is communicated with the mud bucket, the mud scraping device comprises a tank bottom scraper for scraping mixed mud at the bottom of the tank body and a mud bucket scraper for scraping the mixed mud in the mud bucket, and a water inlet pipe penetrates through the tank body and is communicated with the central cylinder and tangentially enters water with the central cylinder; so that sewage in the water inlet pipe flows spirally along the wall of the central cylinder after entering the central cylinder, a solid-liquid separation effect is generated, the diameter of the central cylinder is larger than that of the water inlet pipe, the sewage flows into the large-diameter pipeline from the small-diameter pipeline, the flow rate of the sewage is slowed, and in the process of flowing the sewage in the central cylinder, mixed sludge in the central cylinder can have sufficient solid-liquid separation time, as the sludge hopper is positioned right below the central cylinder, most of the separated mixed sludge can directly fall into the sludge hopper, a small part of the mixed sludge can overflow to the bottom of the tank body, the mixed sludge at the bottom of the tank body is scraped into the sludge hopper through the sludge scraping device, the mixed sludge in the sludge hopper is activated by the sludge scraping device, so that the mixed sludge is discharged through the sludge discharge pipe by an external sludge pump, clarified treated water flows into a water outlet channel arranged in the tank body and then flows into a water outlet pipe, the clarification tank can generate high-efficiency and stable effluent quality, thereby achieving better clarification effect.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the central cartridge, the outlet channel and the mounting bracket;

FIG. 3 is a schematic structural view of the mud scraping device;

fig. 4 is a schematic view of a connection structure of the connection plate and the first squeegee.

In the figure:

1-a pool body; 11-a motor support plate; 12-a support frame; 13-a mud bucket; 21-water inlet pipe; 22-water outlet pipe; 23-a sludge discharge pipe; 3-a central cylinder; 31-a mounting frame; 4-water outlet channel; 41-collecting channel; 42-a water outlet weir crest; 51-a motor; 52-a rotating shaft; 531-shaft sleeve; 532-scraping arm; 533-first squeegee; 534-connecting plate; 535-waist-shaped holes; 54-a second squeegee; 55-fixed seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

a high-efficiency vertical flow clarification tank is shown in figure 1 and comprises a tank body 1, a water inlet pipe 21, a water outlet pipe 22, a sludge discharge pipe 23 and a sludge scraping device,

the pool body 1 is cylindrical, a central cylinder 3 is vertically arranged in the pool body 1, the central cylinder 3 and the pool body 1 are coaxially arranged, a water inlet pipe 21 is arranged on the outer wall of the pool body 1, penetrates through the pool body 1, is communicated with the central cylinder 3 and tangentially enters the water inlet pipe 3, and the diameter of the central cylinder 3 is larger than that of the water inlet pipe 21;

a water outlet channel 4 is arranged in the tank body 1, the water outlet channel 4 is horizontally fixed on the inner wall of the tank body 1 and is close to the upper end of the tank body 1, and a water outlet pipe 22 is arranged on the outer wall of the tank body 1 and is communicated with the water outlet channel 4;

the bottom of the tank body 1 is provided with a conical mud bucket 13 in an outward protruding way, the mud bucket 13 is positioned under the central cylinder 3, and a mud discharge pipe 23 is communicated with the mud bucket 13.

The mud scraping device comprises a driving motor 51, a rotating shaft 52, a pool bottom scraping plate and a mud bucket scraping plate 54, a motor 51 supporting plate 11 is arranged at the pool opening at the upper end of the pool body 1, the motor 51 is installed on the motor 51 supporting plate 11, the motor 51 is fixedly connected with the upper end of the rotating shaft 52, the shaft body of the rotating shaft 52 penetrates through the central cylinder 3 and is coaxially arranged with the central cylinder 3, a fixing seat 55 is further arranged at the bottom of the mud bucket 13, the lower end of the rotating shaft 52 is rotatably inserted into the fixing seat 55, and the pool body 1 scraping plate and the mud bucket scraping plate 54 are both installed on the shaft body of the rotating shaft 52 and are both; the pool bottom scraper is positioned at the bottom of the pool body 1 and is used for scraping sludge at the bottom of the pool body 1 into the mud bucket 13; a hopper scraper 54 is provided in the hopper 13 for activating the sludge in the hopper 13 so that it cannot adhere to the inner wall of the hopper, and discharging the mixed sludge out of the clarifier through a sludge discharge pipe 23 by an external sludge pump.

In addition, the bottom of the pool body 1 is provided with a support frame 12, the support frame 12 supports the pool body 1 and prevents the mud bucket 13 from contacting with the ground.

The utility model discloses a theory of operation does: after the sewage which is accurately added with drugs and properly stirred is subjected to high-efficiency reaction, the sewage enters a water inlet pipe 21 of a high-efficiency clarification tank through a water outlet pipe of a reaction tank, a central cylinder 3 is arranged in the middle of a tank body 1, the water inlet pipe 21 is communicated with the central cylinder 3 in a tangential water inlet mode, the water outlet direction of the water inlet pipe 21 in the tangential water inlet mode is tangent to the inner wall of the central cylinder 3, namely, the unclarified mixed sewage in the water inlet pipe 21 enters the central cylinder 3 and then spirally flows along the wall of the central cylinder 3, so that the mixed sewage generates a natural and high-efficiency solid-liquid separation effect under the; and the diameter of the central cylinder 3 is larger than that of the water inlet pipe 21, so that the mixed sewage enters the large pipe diameter from the small pipe diameter (in the embodiment, the diameter of the central cylinder 3 is 4-5 times of that of the water inlet pipe 21), thereby generating a large slowing effect on the flow speed of the mixed sewage, prolonging the flowing time of the mixed sewage in the central cylinder, prolonging the solid-liquid separation time in the mixed sewage, further improving the solid-liquid separation effect, ensuring that most of the mixed sludge can be stably and intensively collected in the mud bucket 13 at the bottom of the tank after the mixed sludge is subjected to efficient solid-liquid separation, compared with the common radial flow clarification tank, only a small part of the mixed sludge can be deposited at the bottom of the high-efficiency clarification tank due to unavoidable spill or accumulation to a certain degree, at the moment, the mixed sludge deposited at the bottom of the high-efficiency clarification tank is scraped to the mud bucket 13 through the scraper blade at the bottom of the tank in the mud scraping device, the mud deposited in the mud bucket 13 is activated and loosened through the scraper blade 54 of the mud bucket 13 to ensure that the mud is not hardened, the mud is discharged out of the tank body through the mud discharge pipe 23 by a mud pump outside the tank body, the clarification treatment water up to the standard is uniformly collected through the water outlet channel 4 in a perfect water distribution mode, and the high-efficiency clarification tank is finally discharged through the water outlet pipe 22, so that the accumulation and discharge of the mixed sludge can be efficiently carried out, and the requirement of high-efficiency operation is met.

Preferably, the sludge discharge pipe 23 is provided on a side wall of the hopper 13.

Example 2:

in this embodiment, which is a more specific implementation manner of embodiment 1, in this embodiment, the upper end of the central cylinder 3 is higher than the water outlet channel 4 to ensure that the qualified clarified treated water can flow into the water outlet channel 4, the end of the water outlet channel 4 is fixedly connected with the side wall of the tank body 1, the side wall of the upper part of the central cylinder 3 is fixedly connected with the water outlet channel 4, the side wall of the lower part of the central cylinder 3 is connected with the mounting frame 31, and the mounting frame 31 is fixed on the inner wall of the tank body 1.

Preferably, a plurality of weir openings 42 are provided at both side edges of the outlet channel 4, where the two side edges of the outlet channel 4 refer to two trough edges of the trough-shaped outlet channel 4, and the qualified clarified treated water can enter the outlet channel 4 through the weir openings, so that the stable water outlet efficiency can be improved, and the amount of the treated water can be estimated by observing the height of the clarified treated water flowing over the weir openings 42. Preferably, the water outlet weir 42 is "V" shaped.

In order to make clarification treatment water can stably last gentle enter into outlet channel 4, outlet channel 4 has been designed into the cross, cross outlet channel 4 is connected by 4 straight flute type outlet channel 4 and forms, and, cross outlet channel 4 and the inner wall fixed connection of cell body 1, the section of thick bamboo wall of center section of thick bamboo 3 passes cross outlet channel 4's center department and with outlet channel 4 sealing connection, thereby make and form annular weir groove between center section of thick bamboo 3 and the outlet channel 4, make the clear water up to standard who enters cross outlet channel 4 and can collect in annular weir groove department, and can tend to steadily at the in-process that flows along annular weir groove, hydraulic short-flow phenomenon has been avoided appearing in the clarification tank, thereby make outlet channel 4 can provide balanced play water collection effect.

In addition, in order to enable the clarified treated water in the outlet channel 4 to stably enter the outlet pipe 22, the height of the outlet pipe 22 is lower than that of the bottom of the outlet channel 4, and the outlet pipe 22 is communicated with the outlet channel 4 through the collecting channel 41, so that the water flowing through the collecting channel 41 is accelerated due to a certain fall, and the water drainage can be realized more efficiently.

In addition, preferred, the inner wall upper portion of cell body 1 is square column shape inner wall, and the lower part is big-end-up's conical inner wall, sets up like this, can be so that the lower extreme of cell body 1 be the throat structure, and mixed mud can fall on conical inner wall and can automatic landing at the bottom of the pool to the area of cell body 1 bottom is littleer, and the length of bottom of the pool scraper blade is also shorter, and its life is also longer.

The pool bottom scraper comprises a shaft sleeve 531, a scraping arm 532 and a first scraper 533, the shaft sleeve 531 is detachably fixed on the rotating shaft 52, key grooves which are mutually matched are formed in the shaft sleeve 531 and the shaft body of the rotating shaft 52, the shaft sleeve 531 is fixed on the rotating shaft 52 through a flat key to prevent the shaft sleeve 531 and the rotating shaft 52 from rotating mutually, a threaded hole penetrating through the shaft sleeve 531 is formed in the bottom of the key groove in the shaft sleeve 531, and the shaft sleeve 531 penetrates through the threaded hole through a locking bolt to be locked and fixed with the rotating shaft 52; one end of the scraping arm 532 is fixedly connected with the shaft sleeve 531 through a bolt, the first scraping plate 533 is positioned below the scraping arm 532 and is fixedly connected with the scraping arm 532 through a bolt, the scraping arm 532 is not perpendicular to the first scraping plate 533 in the horizontal direction, and the lower end face of the first scraping plate 533 is attached to the bottom of the tank body 1.

Preferably, the axle sleeve 531 is provided with a plurality of scraping arms 532 on the horizontal circumference, and each scraping arm 532 is provided with a plurality of first scrapers 533 arranged in parallel, and the first scrapers 533 arranged in parallel can realize multiple scraping of mixed sludge, thereby improving the scraping efficiency.

Specifically, the shaft sleeve 531 is a square shaft sleeve 531, the number of the scraping arms 532 is 4, and the 4 scraping arms 532 are respectively fixed on four side walls of the square shaft sleeve 531, so that every two adjacent scraping arms 532 are mutually perpendicular in the horizontal direction, and the end part of one end of each scraping arm 532 far away from the shaft sleeve 531 is close to the edge of the bottom of the tank body 1; every is scraped and is equipped with two parallel arrangement's first scraper blade 533 on the arm 532, and first scraper blade 533 and arm 532 of scraping are 45 contained angles, and this angle is for scraping the angle that cuts the efficiency the highest, can be rapid scrape the mixed mud of bottom of the pool to the mud bucket 13 in.

Preferably, first scraper 533 and scrape through connecting plate 534 fixed connection between the arm 532, the upper end of connecting plate 534 passes through the bolt fastening on scraping the arm 532, the vertical a plurality of waist shape holes 535 that are equipped with on the connecting plate 534 lateral wall, be equipped with the via hole that corresponds with waist shape hole 535 on the first scraper 533, use the bolt to pass via hole and waist shape hole 535 and lock with the nut, waist shape hole 535 can realize the upper and lower regulation to first scraper 533 to guarantee that first scraper 533 lower terminal surface is stable unanimous with the bottom interval of cell body 1 all the time.

The hopper scrapers in the hopper 13 comprise second scrapers 54, the plurality of second scrapers 54 are horizontally and circumferentially and uniformly fixed on the rotating shaft 52 in a welding manner to form a group of hopper scrapers, one end of each second scraper 54, which is far away from the rotating shaft 52, is close to the inner wall of the hopper 13, one end of each second scraper 54, which is far away from the rotating shaft 52, is parallel to the inner wall of the hopper 13, and when the rotating shaft 52 rotates, the second scrapers 54 activate the mixed sludge deposited in the hopper 13, so that the mixed sludge is not hardened.

Preferably, the number of the mud bucket scrapers is two, the two mud bucket scrapers are arranged at intervals in the vertical direction to form an upper mud bucket scraper and a lower mud bucket scraper, and the lower mud bucket scraper is close to the bottom of the mud bucket; the second scrapers 54 in the two sets of the bucket scrapers 54 are staggered, that is, the horizontal projection of the second scrapers 54 in the upper bucket scrapers 54 is located between two adjacent second scrapers 54 in the lower bucket scrapers 54.

Preferably, the connection of the mud pipe 23 to the mud bucket 13 is between the two sets of bucket scrapers 54.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. High-efficient vertical flow clarification tank, its characterized in that: comprises a tank body, a water inlet pipe, a water outlet pipe, a sludge discharge pipe and a sludge scraping device;

a central cylinder is vertically arranged in the tank body, the water inlet pipe penetrates through the tank body and is communicated with the central cylinder in a tangential water inlet mode, and the diameter of the central cylinder is larger than that of the water inlet pipe; a water outlet channel is arranged in the tank body, and the water outlet pipe is communicated with the water outlet channel; a conical mud bucket is arranged at the bottom of the pool body, the mud bucket is positioned under the central cylinder, and the mud discharge pipe is communicated with the mud bucket;

2. The high efficiency vertical flow clarifier of claim 1, wherein: the water outlet channel is in a cross shape, the end part of the water outlet channel is fixedly connected with the inner wall of the pool body, and the central cylinder penetrates through the center of the water outlet channel and is in sealing connection with the water outlet channel.

3. The high efficiency vertical flow clarifier of claim 2, characterized in that: and a plurality of water outlet weir mouths are arranged on two sides of the water outlet channel.

4. The high efficiency vertical flow clarifier of claim 2, characterized in that: the upper end of the central cylinder is higher than the water outlet channel.

5. A high efficiency vertical flow clarifier according to any one of claims 1 to 4, characterized in that: the pool body is internally provided with a water collecting channel, the water outlet pipe is lower than the water outlet channel, and the water collecting channel is connected with the water outlet channel and the water outlet pipe.

6. The high efficiency vertical flow clarifier of claim 1, wherein: the bottom of pool scraper blade includes the axle sleeve, scrapes arm and first scraper blade, the axle sleeve can be dismantled and be fixed in the pivot, scrape the arm one end with axle sleeve fixed connection, first scraper blade is located scrape the arm below and with scrape arm fixed connection.

7. The high efficiency vertical flow clarifier of claim 6, wherein: the quantity of scraping the arm is a plurality of to every is scraped and all is equipped with a plurality of parallel arrangement's first scraper blade on the arm.

8. The high efficiency vertical flow clarifier of claim 7, wherein: the included angle between the scraper and the scraper arm is 45 degrees.

9. The high efficiency vertical flow clarifier of claim 1, wherein: the mud bucket scraper blade includes a plurality of second scraper blades, and is a plurality of the second scraper blade circumference is evenly fixed in form a set of on the pivot the mud bucket scraper blade.

10. The high efficiency vertical flow clarifier of claim 9, wherein: the quantity of the mud bucket scrapers is two groups, and the scrapers of the two groups of mud bucket scrapers are arranged in a staggered mode.