CN108126377B - Just sink and use flocculation device - Google Patents
Just sink and use flocculation device Download PDFInfo
- Publication number
- CN108126377B CN108126377B CN201711116169.3A CN201711116169A CN108126377B CN 108126377 B CN108126377 B CN 108126377B CN 201711116169 A CN201711116169 A CN 201711116169A CN 108126377 B CN108126377 B CN 108126377B
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- Prior art keywords
- stirring
- shell
- stirring shaft
- feeding
- discharging control
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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
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/08—Settling tanks with single outlets for the separated liquid provided with flocculating compartments
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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
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
- B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
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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
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
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- 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
Abstract
The invention discloses a flocculation device for primary sedimentation, which comprises a flocculation tank, a feeding device connected with the flocculation tank, a stirring device and mud scraping equipment, wherein the stirring device and the mud scraping equipment are arranged in the flocculation tank and matched with the feeding device; the stirring device comprises a stirring shaft, a stirring paddle detachably connected with the stirring shaft and a driving piece for driving the stirring shaft to rotate; a material storage channel is arranged in the stirring shaft, a material discharging channel which can be communicated with the material storage channel and a material discharging port which is arranged on the outer surface of the stirring paddle and is communicated with the material discharging channel are arranged in the stirring paddle; and the stirring paddle is provided with a one-way discharging device matched with the discharging hole. According to the invention, the discharge port is directly arranged on the stirring paddle, and the flocculating agent can be directly sprayed into the water body during stirring, so that the flocculation effect is greatly improved, and the finally obtained water body is ensured to have basically no impurity residue and be clean.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a flocculation device for primary sedimentation.
Background
In the process of water treatment, flocculation operation is needed, and impurities such as suspended matters in water are gathered and enlarged to form floccules through a flocculating agent, so that the coagulation of the substances is accelerated, solid-liquid separation is realized, and the water body is purified. The existing flocculation is that after a flocculating agent is put into a flocculation tank through a feeding pipe on the upper part of the flocculation tank, the flocculating agent is stirred through a stirring device, so that the flocculating agent and a water body fully react to achieve the purpose of flocculation. However, in this way, the flocculating agent usually reacts with the water on the upper part of the flocculation tank in the input process to remove most of the water, after the later-stage stirring, the flocculation effect is poor, the water can still have a large amount of suspended matters or impurities, and the water purification effect is poor.
Disclosure of Invention
The invention provides a primary sedimentation flocculation device which has good flocculation effect and little impurity residue in water after flocculation is finished in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a flocculation device for primary sedimentation comprises a flocculation tank, a feeding device connected with the flocculation tank, a stirring device and sludge scraping equipment, wherein the stirring device and the sludge scraping equipment are arranged in the flocculation tank and matched with the feeding device; the stirring device comprises a stirring shaft, a stirring paddle detachably connected with the stirring shaft and a driving piece for driving the stirring shaft to rotate; a material storage channel is arranged in the stirring shaft, a material discharging channel which can be communicated with the material storage channel and a material discharging port which is arranged on the outer surface of the stirring paddle and is communicated with the material discharging channel are arranged in the stirring paddle; the stirring paddle is provided with a one-way discharging device matched with the discharging hole; the feeding device is in threaded connection with the stirring shaft, and the locking direction of the feeding device and the stirring shaft is opposite to the rotating direction of the stirring shaft. According to the invention, the discharge channel and the discharge hole are arranged on the stirring device, so that the flocculating agent can be directly sprayed into the water body in the process of stirring the water body by the stirring part, and the flocculating agent sprayed into the water body can be broken up at the first time, compared with the traditional mode, the volume of the water body which can be contacted by the same amount of the flocculating agent is increased by more than 4 times, so that the flocculation effect is greatly improved, the finally obtained water body is ensured to have basically no impurity residue, and the water body is clean; the unidirectional discharging device is arranged, so that the flocculating agent in the stirring paddle only supports unidirectional outward spraying, and water, impurities in the water and the like cannot enter the stirring paddle and the stirring shaft; therefore, the stirring shaft does not have the condition of weight increase in the working process, the condition that the stirring piece is too heavy and the driving piece cannot drive the stirring piece to rotate and be scrapped is prevented, the failure rate of equipment is low, and the maintenance rate is low; because the locking direction of the threads is inconsistent with the rotation direction of the stirring shaft, the connection between the feeding connector and the connector cannot be influenced in the rotating process of the stirring shaft, and the loosening condition cannot occur between the feeding connector and the connector.
Further, the feeding device comprises a feeding joint arranged at the bottom of the flocculation tank and a feeding pipe connected with the feeding joint; a connecting port is formed in the bottom of the flocculation tank, a first sealing structure is arranged between the feeding connector and the connecting port, and a second sealing structure is arranged between the feeding connector and the stirring shaft; through the setting of two seal structure, guarantee that two hookup location can not appear the condition of leaking, the equipment maintenance rate is low.
Further, the first sealing structure comprises a first thread section arranged on the outer side wall of the feeding joint and a first sealing layer arranged above the first thread section; an internal thread is arranged in the connecting port; double sealing is realized through the sealing layer and the thread section, even one of the sealing layers loses the sealing effect, the other sealing layer still can be sealed, and the service life of the equipment is prolonged.
Further, the second sealing structure comprises a connecting groove arranged on the stirring shaft, a second thread section arranged on the outer side wall of the feeding joint and a second sealing layer, the second thread section is arranged above the first sealing layer, and the second sealing layer is arranged above the second thread section; double sealing is realized through the sealing layer and the thread section, even if one part loses the sealing effect, the other part can still be sealed, and the service life of the equipment is prolonged; the screw thread locking direction is inconsistent with the rotation direction of the stirring shaft, and the connection between the feeding connector and the connector cannot be influenced in the rotating process of the stirring shaft, so that the loosening condition cannot occur between the feeding connector and the connector.
Furthermore, the unidirectional discharging device comprises two cover bodies fixedly arranged outside the stirring paddle and discharging control pieces which are respectively arranged in the two cover bodies and made of flexible materials; a plurality of openings are distributed on the cover body at intervals, and a discharging control opening matched with the openings is arranged on the discharging control piece; if the traditional mode of arranging a one-way valve on each opening is adopted, the processing operation is complicated, and the efficiency is low; the material consumption is large, energy conservation and environmental protection are not enough, and the cost of the whole equipment is high; if the sealing layer is adhered outside the stirring paddle and the opening is formed in the sealing layer, the problems of processing efficiency and cost are solved compared with the first mode, but because the working environment of the stirring paddle is in water, the adhesive joint is easy to be degummed after long-term use, and therefore water still enters the stirring shaft from the degummed position; the cover body is arranged, and the discharging control piece is arranged in the cover body, so that the problems can be effectively solved; the cover body and the stirring shaft can be fixedly connected through welding, so that the connection firmness is high, the separation condition can not occur even if the cover body is used for a long time, and the water body can not enter the stirring shaft from the connection position of the cover body and the stirring shaft all the time; a plurality of ejection of compact control mouths all obtain in the direct forming on an ejection of compact control piece, make portably, production efficiency is high, and the equipment consumptive material is few, not only with low costs its energy-conserving ring.
Further, the discharging control opening is a strip-shaped gap arranged on the discharging control piece; the cutting tool can be directly used for cutting, so that the cutting tool can be obtained, the manufacturing is simple and convenient, and the production efficiency is high.
Furthermore, the discharging control opening is a cross-shaped gap arranged on the discharging control piece; the gap that sets up under this kind of structure for the ejection of compact of flocculating agent is more smooth and easy, the condition that ejection of compact control mouth blockked up can not appear, and equipment fault rate is low.
Furthermore, the cover body comprises a first shell, a second shell and a locking device for locking the first shell and the second shell, and the first shell and the second shell are fixedly connected through welding after being locked and connected through the locking device; the first cover body and the second cover body are arranged in a split manner, so that the assembly is easier; the first shell and the second shell can be always firmly connected through welding, and can not be separated even after long-term use; the first shell, the second shell and the discharging control piece are arranged in a split manner, so that the thickness of the discharging control piece can be set to be slightly larger than the height of the cavity in the cover body, after the first shell and the second shell are fixedly connected, the discharging control piece can realize interference fit, the inner walls of the first shell and the second shell are always tightly attached to the outer wall of the discharging control piece, and the condition of water leakage at the joint of the first shell and the second shell is avoided; meanwhile, the discharging control piece is guaranteed not to shift after being used for a long time, and the discharging control opening and the opening in the cover body are guaranteed to be located at the corresponding position all the time.
Further, the first shell comprises a shell body and end plates respectively arranged at two ends of the shell body; the second shell comprises a middle plate and side plates which are respectively arranged at two ends of the middle plate; owing to set up end plate and curb plate to guarantee first, second casing and linking firmly the back, can cover the whole cover of ejection of compact control at the internal, thereby ejection of compact control can not have into water gap with the both ends department of the cover body, need not to carry out waterproof sealing, and the structure is more simple.
Furthermore, the openings are respectively arranged on the shell body and the middle plate, and the positions of the openings correspond to the positions of the discharge control ports one to one.
In conclusion, the discharge port is directly arranged on the stirring paddle, the flocculating agent can be directly sprayed into the water body during stirring, the flocculation effect is greatly improved, and the finally obtained water body is basically free of impurity residues and clean; the unidirectional discharging device is arranged, so that a water body cannot enter the stirring shaft, the failure rate of the equipment is low, and the maintenance rate is low; the screw thread locking direction is opposite to the rotation direction of the stirring shaft, so that the feeding device is not influenced by the stirring shaft, the connection with the flocculation tank is firm, and the service life of the equipment is long.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of the first embodiment at B in fig. 1.
Fig. 3 is an enlarged view of the second embodiment at B in fig. 1.
FIG. 4 is a cross-sectional view of a paddle according to the present invention.
Fig. 5 is an enlarged view at D in fig. 1.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
As shown in fig. 1-5, a flocculation apparatus for primary sedimentation comprises a flocculation tank 1, a feeding device 2 connected with the flocculation tank, a stirring device 3 and a mud scraping device 7, wherein the stirring device 3 and the mud scraping device are arranged in the flocculation tank and matched with the feeding device; the feeding device 2 is used for feeding a flocculating agent into the flocculating tank, and the flocculating agent is polyaluminium chloride directly purchased from the market; specifically, the stirring device 3 comprises a stirring shaft 31 made of stainless steel, a stirring paddle 32 made of stainless steel and a driving piece 33; the stirring paddle 32 is screwed on the stirring shaft 31, so that the stirring paddle 32 can be detached relative to the stirring shaft 31; the driving part 33 is a motor directly purchased from the market and arranged at the upper part of the flocculation tank, and an output shaft of the motor is fixedly connected with the upper part of the stirring shaft so as to drive the stirring shaft to rotate; a material storage channel 311 is arranged in the stirring shaft 31, specifically, the material storage channel 311 is formed by hollowing the inner part of the stirring shaft 31; a discharge passage 321 is arranged in the stirring paddle 32, a discharge hole 322 is arranged on the outer surface of the stirring paddle 32, and when the stirring paddle 32 is connected with the stirring shaft, the discharge passage 321 can be communicated with the material storage passage; the discharge ports 322 are uniformly arranged on the outer surface of the stirring paddle at intervals, and each discharge port 322 is communicated with the discharge channel; the feeding device 2 comprises a feeding joint 21 made of stainless steel and arranged at the bottom of the flocculation tank, and a feeding pipe 22 made of stainless steel and connected with the feeding joint; the flocculation basin bottom is equipped with connector 11, feed connection 21 can dismantle with this connector 11 and be connected, and the inlet pipe links to each other with outside storage tank, and this storage tank is the jar body that the stainless steel was made, and jar internal storage flocculant can send into the flocculant to holding in the material passageway 311 through inlet pipe, feed connection, and the outside blowout of rethread discharge gate.
As shown in fig. 5, in order to prevent the leakage, a first sealing structure is arranged between the feeding connector 21 and the connecting port 11, and a second sealing structure is arranged between the feeding connector 21 and the stirring shaft 31; specifically, the first sealing structure comprises a first threaded section 51 and a first sealing layer 52 which are arranged on the outer side wall of the feeding joint, and the first sealing layer 52 is a rubber layer and is arranged above the first threaded section; the lower part of the inner wall of the connecting port 11 is provided with internal threads, the upper part of the inner wall is provided with a smooth inner wall, and the inner diameter of the smooth inner wall of the connecting port 11 is set to be smaller than the outer diameter of the first sealing layer 52, so that when the feeding joint is connected with the connecting port, the internal threads and the external threads are mutually screwed, the first sealing layer 52 is in interference fit with the smooth inner wall, and the sealing effect is good; further, the second sealing structure comprises a connecting groove 61 arranged on the stirring shaft, a second threaded section 62 arranged on the outer side wall of the feeding joint and a second sealing layer 63, the second threaded section 62 is arranged above the first sealing layer 52, and the second sealing layer 63 is arranged above the second threaded section 62; the lower part of the inner wall of the connecting groove 61 is provided with an internal thread, the upper part of the inner wall is provided with a smooth inner wall, the second sealing layer 63 is a rubber layer, and the inner diameter of the smooth inner wall of the connecting groove 61 is smaller than the outer diameter of the second sealing layer 63, so that when the feeding connector is connected with the connecting groove 61, the internal thread and the external thread are in threaded connection with each other, the second sealing layer 63 is in interference fit with the smooth inner wall, and the sealing effect is good.
Preferably, the locking directions of the first thread section 51, the second thread section 62 and the internal thread are opposite to the rotation direction of the stirring shaft 31, so that the feeding joint cannot fall off from the bottom of the flocculation tank in the rotation process of the stirring shaft. As shown in fig. 2-4, in order to prevent water from entering the stirring shaft from the discharge port, a one-way discharging device 4 matched with the discharge port is arranged on the stirring paddle 32; specifically, the unidirectional discharging device 4 comprises two cover bodies 41 fixedly arranged outside the stirring paddle and discharging control members 42 made of flexible materials and respectively arranged in the two cover bodies, and the discharging control members 42 are preferably made of rubber; furthermore, a plurality of openings 43 are distributed on the cover body 41 at intervals, and a discharging control opening 44 matched with the openings is arranged on the discharging control member 42; in the embodiment, as shown in fig. 2, the discharging control opening 44 is a strip-shaped gap 441 provided in the discharging control member, and the strip-shaped gap 441 can be obtained by cutting a knife on the discharging control member 42 with a knife; of course, in other embodiments, as shown in fig. 3, the discharge control opening 44 is a cross-shaped slot 442 formed in the discharge control member, and is also cut by a knife on the discharge control member 42; because ejection of compact control spare has elasticity to when not discharging, can guarantee that ejection of compact control mouth 44 is in the closed state all the time, prevent that the water from entering into in the (mixing) shaft.
The cover body 41 comprises a first shell 411 with an arc-shaped structure, a second shell 412 with an arc-shaped structure and a locking device for locking the first shell and the second shell, and when the cover body is assembled, the first shell and the second shell are locked and connected through the locking device and then are fixedly connected through welding; the locking device is a lock catch directly purchased in the market; the first housing 411 includes a housing body 413 and end plates 414 respectively disposed at two ends of the housing body; the second housing 412 includes a middle plate 415 and side plates 416 respectively disposed at two ends of the middle plate; when the first shell and the second shell are welded, the end plate 414 and the side plate 416 are welded and fixedly connected with each other, and the shell body 413 and the middle plate 415 are welded and fixedly connected with each other, so that the side wall of one side of the periphery of the welded cover body is in a closed state, and the sealing effect is good; further, the openings 43 are respectively disposed on the housing body 413 and the middle plate 415, and the positions and shapes of the openings 43 correspond to the positions of the discharge control ports 44 one by one, so as to ensure smooth discharge.
The lower part of the flocculation tank 1 is provided with a sludge discharge cavity 12, and the sludge discharge cavity is connected with a sludge discharge pipe 13; the mud scraping device 7 comprises a mud scraping plate 71, a driving arm 72, a driving motor 73 and a connecting bracket 74; the mud scraping plate 71 is arranged at the bottom of the flocculation tank, one end of the driving arm 72 is connected with the driving motor 73, and the other end of the driving arm is connected with a roller which can roll along one circle of the upper part of the flocculation tank; the connecting bracket 74 is a plurality of stainless steel pipes, and the driving motor is a motor directly purchased from the market; when the motor starts, the drive arm rotates, and the mud plate rotation is scraped in the drive arm through the linking bridge drive, scrapes into the mud intracavity of row with the mud of bottom of the pool, and the outside discharge of rethread mud pipe to flocculation basin can be discharged to the flocculation basin after the flocculation sediment.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and 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.
Claims (1)
1. A flocculation device for primary sedimentation comprises a flocculation tank (1), a feeding device (2) connected with the flocculation tank, a stirring device (3) and mud scraping equipment (7), wherein the stirring device (3) and the mud scraping equipment are arranged in the flocculation tank and matched with the feeding device; the method is characterized in that: the stirring device (3) comprises a stirring shaft (31), a stirring paddle (32) detachably connected with the stirring shaft and a driving piece (33) for driving the stirring shaft to rotate; a material storage channel (311) is arranged in the stirring shaft (31), a material outlet channel (321) which can be communicated with the material storage channel and a material outlet (322) which is arranged on the outer surface of the stirring paddle and is communicated with the material outlet channel are arranged in the stirring paddle (32); the stirring paddle (32) is provided with a one-way discharging device (4) matched with the discharging hole; the feeding device (2) is in threaded fit with the stirring shaft, and the locking direction of the feeding device and the stirring shaft is opposite to the rotating direction of the stirring shaft (31); the unidirectional discharging device (4) comprises two cover bodies (41) fixedly arranged outside the stirring paddle and discharging control pieces (42) which are respectively arranged in the two cover bodies and made of flexible materials; a plurality of openings (43) are distributed on the cover body (41) at intervals, and a discharging control opening (44) matched with the openings is arranged on the discharging control piece (42); the discharging control piece (42) is made of rubber, the discharging control opening (44) is a strip-shaped gap (441) formed in the discharging control piece (42), and the strip-shaped gap (441) can be obtained by cutting the discharging control piece (42) by a cutter; the cover body (41) comprises a first shell (411) arranged in an arc structure, a second shell (412) arranged in an arc structure and a locking device used for locking the first shell (411) and the second shell (412); the first shell (411) comprises a shell body (413) and end plates (414) arranged at two ends of the shell body respectively; the second shell (412) comprises a middle plate (415) and side plates (416) arranged at two ends of the middle plate; the openings (43) are respectively arranged on the shell body (413) and the middle plate (415), and the positions of the openings (43) correspond to the positions of the discharging control ports (44) one by one; after the first shell and the second shell are locked and connected through the locking device, the first shell and the second shell are fixedly connected through welding;
the feeding device (2) comprises a feeding joint (21) arranged at the bottom of the flocculation tank and a feeding pipe (22) connected with the feeding joint; a connecting port (11) is formed in the bottom of the flocculation tank, and a second sealing structure is arranged between the feeding connector (21) and the stirring shaft (31);
the second sealing structure comprises a connecting groove (61) arranged on the stirring shaft, a second threaded section (62) arranged on the outer side wall of the feeding joint and a second sealing layer (63), and the second sealing layer (63) is arranged above the second threaded section (62);
the mud scraping equipment comprises a mud scraping plate (71), a driving arm (72) arranged at the upper part of the primary sedimentation tank, a driving motor (73) used for driving the driving arm to rotate and a connecting bracket (74) used for connecting the driving arm and the mud scraping plate; one end of the driving arm (72) is connected with the driving motor (73), and the other end of the driving arm is connected with a roller;
the thickness of the discharging control piece is slightly larger than the height of the cavity in the cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116169.3A CN108126377B (en) | 2017-11-13 | 2017-11-13 | Just sink and use flocculation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116169.3A CN108126377B (en) | 2017-11-13 | 2017-11-13 | Just sink and use flocculation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108126377A CN108126377A (en) | 2018-06-08 |
| CN108126377B true CN108126377B (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711116169.3A Active CN108126377B (en) | 2017-11-13 | 2017-11-13 | Just sink and use flocculation device |
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| CN (1) | CN108126377B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111013253A (en) * | 2019-12-23 | 2020-04-17 | 湖州华利铝业有限公司 | Processing fluid precipitating device for processing aluminum alloy shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258773Y (en) * | 1996-07-19 | 1997-08-06 | 李景荣 | One-way valve for anticounterflow of blood for full imbedding type medicine imput pump |
| CN201030248Y (en) * | 2006-12-31 | 2008-03-05 | 湖南华迪电力环保工程技术有限公司 | Clarifying concentrator |
| CN103521110B (en) * | 2013-09-29 | 2015-12-02 | 中冶华天工程技术有限公司 | Mechanical mixture agitator |
| CN107029589A (en) * | 2016-12-29 | 2017-08-11 | 佛山市飞时达新材料科技有限公司 | A kind of new material agitating device |
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Effective date of registration: 20210602 Address after: Jq636, 2nd floor, Pioneer Park, Taiwan Business District, Qianyuan village, Luoyang Town, Quanzhou City, Fujian Province, 362000 Applicant after: Quanzhou Hutian Machinery Technology Co.,Ltd. Address before: 350200 Yunjiang Village, Heshang Town, Changle City, Fuzhou City, Fujian Province Applicant before: Jiang Mingjian |
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