CN111035969A - Clarification tank - Google Patents

Clarification tank Download PDF

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Publication number
CN111035969A
CN111035969A CN202010060133.3A CN202010060133A CN111035969A CN 111035969 A CN111035969 A CN 111035969A CN 202010060133 A CN202010060133 A CN 202010060133A CN 111035969 A CN111035969 A CN 111035969A
Authority
CN
China
Prior art keywords
plate
umbrella
guide plate
chamber
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010060133.3A
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Chinese (zh)
Inventor
张平亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Professional College of Science and Technology
Original Assignee
Wuxi Professional College of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Wuxi Professional College of Science and Technology filed Critical Wuxi Professional College of Science and Technology
Priority to CN202010060133.3A priority Critical patent/CN111035969A/en
Publication of CN111035969A publication Critical patent/CN111035969A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
    • B01D21/283—Settling tanks provided with vibrators
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/15—Treatment of sludge; Devices therefor by de-watering, drying or thickening by treatment with electric, magnetic or electromagnetic fields; by treatment with ultrasonic waves
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention provides a clarification tank which can effectively improve the treatment effect and the production efficiency of the clarification tank. The device comprises a stirrer, wherein the top end of the stirrer penetrates through a top plate of a clarification tank and is arranged on a shaft of a motor through a speed reducer, and the outer side of the stirrer is surrounded by an umbrella-shaped plate to form a first reaction chamber; the upper part of the umbrella-shaped plate is provided with a guide plate, and the guide plate is enclosed into a second reaction chamber; a bell mouth throat is arranged on one side of the junction of the umbrella-shaped plate and the guide plate and is communicated with the water inlet pipeline through a nozzle; the outer side of the guide plate is provided with a circular baffle plate, a guide chamber is formed between the guide plate and the circular baffle plate, a separation chamber is formed between the circular baffle plate and the inner wall of the clarification tank, and the upper part of the separation chamber is provided with a water collecting tank.

Description

Clarification tank
Technical Field
The invention relates to the technical field of clarification, in particular to a clarification tank.
Background
The coagulation reaction is widely applied to water treatment work in many industries as an effective solid-liquid separation method. A clarifier is a device used for coagulation treatment. In the clarifying tank, the processes of mixing, reaction, precipitation separation and the like can be simultaneously completed. The hydraulic circulation clarification tank is characterized in that under the action of a water injector, active sludge in the tank is sucked and fully mixed with raw water, so that the contact and adsorption action among solid particles in water is enhanced, good flocculation is formed, the settling velocity is accelerated to clarify water, and the hydraulic circulation clarification tank is used for hydraulically circulatingThe clarification tank is due to the fact thatThe device has the advantages of compact structure, good treatment effect, high production efficiency and medicament consumption saving, and is applied to water treatment in various industries, such as water purification of medium and small water plants, water purification engineering of high-turbidity water plant transformation and new water plant construction.
However, the conventional clarifier has limited treatment effect and production efficiency, and may cause insufficient reaction to continue forming alum flocs in the settling zone, so that a new clarifier needs to be designed.
Disclosure of Invention
The invention provides a clarification tank, aiming at the defects that the existing clarification tank has limited treatment effect and production efficiency and can cause insufficient reaction to continue forming alum flocs in a settling zone.
The invention provides the following technical scheme:
the utility model provides a clarification tank, its includes the agitator, the agitator top is passed the clarification tank roof and is installed in the axle of motor through the reduction gear, its characterized in that: the outer side of the stirrer is surrounded by an umbrella-shaped plate to form a first reaction chamber; a guide plate is arranged at the upper part of the umbrella-shaped plate, and the guide plate is enclosed into a second reaction chamber; a bell mouth throat is arranged on one side of the junction of the umbrella-shaped plate and the guide plate and is communicated with a water inlet pipeline through a nozzle; the outer side of the guide plate is provided with a circular baffle, a guide chamber is formed between the guide plate and the circular baffle, a separation chamber is formed between the circular baffle and the inner wall of the clarification tank, and a water collecting tank is arranged at the upper part of the separation chamber.
It is further characterized in that:
the water collecting tank is composed of an inner cylinder plate and an annular bottom plate, a water inlet is formed in the annular bottom plate, a water outlet is formed in the outer side of the inner cylinder plate, and an upper baffle and a lower baffle are arranged in the inner cylinder plate between the water inlet and the water outlet respectively;
a sludge concentrating chamber is formed between the umbrella-shaped plate and the inner wall of the clarification tank, a conical surface sewage outlet is arranged at the bottom end of the clarification tank, the sludge concentrating chamber and the conical surface sewage outlet are communicated with a sewage discharge groove through a sewage discharge pipeline, a high-frequency pulse generating head is installed in the sewage discharge groove, and the high-frequency pulse generating head is connected with a high-frequency pulse generating source;
an ultrasonic sounding port is arranged on the other side of the junction of the umbrella-shaped plate and the guide plate and is communicated with an ultrasonic sound source device through a pipe;
the stirrer is characterized in that a stirring disc is installed at the bottom end of the stirrer, and more than three stirring rods are uniformly distributed on the lower surface of the stirring disc.
Compared with the prior art, the invention has the following beneficial effects:
raw water added with a coagulant enters a nozzle from a water inlet pipeline and is sprayed into a throat pipe at a high speed, vacuum is formed around a bell mouth of the throat pipe, a large amount of sludge is sucked, the sludge and the raw water are rapidly mixed and enter a first reaction chamber surrounded by an umbrella-shaped plate, a stirrer rotates to form vortex in the first reaction chamber, so that the wastewater, the coagulant and the returned sludge are fully contacted and mixed, and water is lifted from the first reaction chamber to a second reaction chamber due to the lifting action of the stirrer to continue coagulation reaction, so that the growth of flocculated alum blossom is facilitated; the water flows out of the periphery of the barrel opening of the second reaction chamber to the flow guide chamber, when the water flows into the separation chamber stably, the flow velocity begins to decrease greatly due to the gradual increase of the flow section, the sludge flocculation is separated from the water under the action of gravity, the separated clear water rises and flows out of the water outlet of the water collection tank, and the sludge is settled, so that the treatment effect and the production efficiency of the clarification tank are effectively improved;
clear water enters from a water inlet of the water collecting tank, is discharged from a water outlet after being blocked by the upper baffle and the lower baffle, and further ensures the treatment effect of the clarification tank;
after the sludge is settled, active sludge participates in circulation, one part of inactive sludge reaches a sludge concentration chamber, the other part of inactive sludge reaches a conical surface sewage outlet and is introduced into a sewage discharge groove through a sewage discharge pipeline, and sludge in the sewage discharge groove is treated by a high-frequency pulse generating source, so that the wall breaking rate of sludge cells is improved, water in the sludge is removed, and the treatment effect and the production efficiency of a clarification tank are further effectively improved;
the ultrasonic sound source device at the junction of the umbrella-shaped plate and the guide plate performs ultrasonic action on the wastewater, the coagulant and the returned sludge, so that the wastewater, the coagulant and the returned sludge are fully mixed, and the treatment effect and the production efficiency of the clarification tank are further effectively improved.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic top view of the stirring plate of the present invention;
in the figure: 1, a clarification tank; 2, a stirrer; 21, a stirring disc; 22 a stirring rod; 23, a speed reducer; a 24 motor; 3 an umbrella-shaped plate; 31 a first reaction chamber; 32 sludge concentration chamber; 4, a flow guide plate; 41 a second reaction chamber; 5, a throat pipe; a 51 nozzle; 52 a water inlet pipe; 6, a circular baffle; 61 a diversion chamber; 62 a separation chamber; 7, collecting water grooves; 71 an inner tube plate; 72 an annular base plate; 73 water inlet; 74 water outlet; 75 an upper baffle plate; 76 a lower baffle; 8, a conical sewage draining outlet; 81 a sewage drain; 82 a sewage draining groove; 821 high-frequency pulse generating head; 822 a high-frequency pulse generating source; 9 an ultrasonic sounding port; 91 a pipe; 92 ultrasonic sound source device.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-2, a clarification tank comprises a stirrer 2, wherein the top end of the stirrer 2 passes through the top plate of the clarification tank 1 and is mounted on the shaft of a motor 24 through a speed reducer 23, the outer side of the stirrer 2 is enclosed by an umbrella-shaped plate 3 to form a first reaction chamber 31, the bottom end of the stirrer 2 is provided with a stirring disc 21, and the lower surface of the stirring disc 21 is uniformly provided with more than three stirring rods 22; the upper part of the umbrella-shaped plate 3 is provided with a guide plate 4, and the guide plate 4 is enclosed into a second reaction chamber 41; a bell mouth throat pipe 5 is arranged at one side of the junction of the umbrella-shaped plate 3 and the guide plate 4, and the throat pipe 5 is communicated with a water inlet pipeline 52 through a nozzle 51; the outer side of the guide plate 4 is provided with a circular baffle 6, a guide chamber 614 is formed between the guide plate 4 and the circular baffle 6, a separation chamber 62 is formed between the circular baffle 6 and the inner wall of the clarification tank 1, and the upper part of the separation chamber 62 is provided with a water collecting tank 7. Raw water added with a coagulant enters a nozzle 51 from a water inlet pipeline 52 and is sprayed into a throat pipe 5 at a high speed, vacuum is formed around the bell mouth of the throat pipe 5, a large amount of sludge is sucked, the raw water enters a first reaction chamber 31 surrounded by an umbrella-shaped plate 3 after the sludge and the raw water are rapidly mixed, a stirrer 2 rotates to form vortex in the first reaction chamber 31, so that the wastewater, the coagulant and the returned sludge are fully contacted and mixed, and water is lifted from the first reaction chamber 31 to a second reaction chamber 41 due to the lifting action of the stirrer 2 to continue coagulation reaction, so that the growth of flocculated alum flocs is facilitated; the water flows out to the diversion chamber 614 from the periphery of the cylinder mouth of the second reaction chamber 41, when the water flows into the separation chamber 62 stably, the flow rate begins to drop greatly due to the gradual increase of the flow cross section, the sludge flocculation is separated from the water under the action of gravity, the separated clear water rises and flows out from the water outlet 74 of the water collection tank 7, and the sludge is settled, so that the treatment effect and the production efficiency of the clarification tank 1 are effectively improved.
The water collecting tank 7 is composed of an inner cylinder plate 71 and an annular bottom plate 72, a water inlet 73 is arranged on the annular bottom plate 72, a water outlet 74 is arranged on the outer side of the inner cylinder plate 71, and an upper baffle 75 and a lower baffle 76 are respectively arranged in the inner cylinder plate 71 between the water inlet 73 and the water outlet 74. Clear water enters from the water inlet 73 of the water collecting tank 7, is discharged from the water outlet 74 after being blocked by the upper baffle 75 and the lower baffle 76, and further ensures the treatment effect of the clarification tank 1.
A sludge concentration chamber 32 is formed between the umbrella-shaped plate 3 and the inner wall of the clarification tank 1, the bottom end of the clarification tank 1 is provided with a conical surface sewage outlet 8, the sludge concentration chamber 32 and the conical surface sewage outlet 8 are communicated with a sewage discharge groove 82 through a sewage discharge pipeline 81, a high-frequency pulse generating head 821 is installed in the sewage discharge groove 82, and the high-frequency pulse generating head 821 is connected with a high-frequency pulse generating source 822. After the sludge subsides, active sludge participates in the circulation, and inactive sludge is partly reachd sludge concentration chamber 32, and another part reachs conical surface drain 8, lets in blowdown groove 82 through sewage pipes 81, and mud is handled by high frequency pulse generating source 822 in the blowdown groove 82 to be favorable to improving the broken wall rate of sludge cell, get rid of the water in the mud, further effectively improve clarification tank 1 treatment effect and production efficiency.
An ultrasonic sounding port 9 is arranged on the other side of the junction of the umbrella-shaped plate 3 and the guide plate 4, and the ultrasonic sounding port 9 is communicated with an ultrasonic sound source device 92 through a pipe 91. The ultrasonic sound source device 92 at the junction of the umbrella-shaped plate 3 and the guide plate 4 performs ultrasonic action on the wastewater, the coagulant and the returned sludge, so that the wastewater, the coagulant and the returned sludge are fully mixed, and the treatment effect and the production efficiency of the clarification tank 1 are further effectively improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a clarification tank, its includes the agitator, the agitator top is passed the clarification tank roof and is installed in the axle of motor through the reduction gear, its characterized in that: the outer side of the stirrer is surrounded by an umbrella-shaped plate to form a first reaction chamber; a guide plate is arranged at the upper part of the umbrella-shaped plate, and the guide plate is enclosed into a second reaction chamber; a bell mouth throat is arranged on one side of the junction of the umbrella-shaped plate and the guide plate and is communicated with a water inlet pipeline through a nozzle; the outer side of the guide plate is provided with a circular baffle, a guide chamber is formed between the guide plate and the circular baffle, a separation chamber is formed between the circular baffle and the inner wall of the clarification tank, and a water collecting tank is arranged at the upper part of the separation chamber.
2. A clarifier according to claim 1, characterized in that: the water collecting tank is composed of an inner cylinder plate and an annular bottom plate, a water inlet is formed in the annular bottom plate, a water outlet is formed in the outer side of the inner cylinder plate, and an upper baffle and a lower baffle are respectively arranged in the inner cylinder plate between the water inlet and the water outlet.
3. A clarifier according to claim 1, characterized in that: the improved sludge settling tank is characterized in that a sludge concentrating chamber is formed between the umbrella-shaped plates and the inner wall of the settling tank, the bottom end of the settling tank is provided with a conical surface sewage discharge outlet, the sludge concentrating chamber is communicated with the conical surface sewage discharge outlet through a sewage discharge pipeline and a sewage discharge groove, a high-frequency pulse generating head is installed in the sewage discharge groove, and the high-frequency pulse generating head is connected with a high-frequency pulse generating source.
4. A clarifier according to claim 1, characterized in that: the umbrella-shaped plate the guide plate juncture opposite side is provided with ultrasonic sound production mouth, ultrasonic sound production mouth passes through pipe and ultrasonic sound source device intercommunication.
5. A clarifier according to claim 1, characterized in that: the stirrer is characterized in that a stirring disc is installed at the bottom end of the stirrer, and more than three stirring rods are uniformly distributed on the lower surface of the stirring disc.
CN202010060133.3A 2020-01-19 2020-01-19 Clarification tank Withdrawn CN111035969A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010060133.3A CN111035969A (en) 2020-01-19 2020-01-19 Clarification tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010060133.3A CN111035969A (en) 2020-01-19 2020-01-19 Clarification tank

Publications (1)

Publication Number Publication Date
CN111035969A true CN111035969A (en) 2020-04-21

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ID=70230723

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010060133.3A Withdrawn CN111035969A (en) 2020-01-19 2020-01-19 Clarification tank

Country Status (1)

Country Link
CN (1) CN111035969A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116199319A (en) * 2023-05-05 2023-06-02 山东欧迈机械股份有限公司 Waste water clarifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116199319A (en) * 2023-05-05 2023-06-02 山东欧迈机械股份有限公司 Waste water clarifier

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Application publication date: 20200421

WW01 Invention patent application withdrawn after publication