CN113845258A - Organochlorine waste water grading treatment and resource recovery system - Google Patents

Organochlorine waste water grading treatment and resource recovery system Download PDF

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Publication number
CN113845258A
CN113845258A CN202111231977.0A CN202111231977A CN113845258A CN 113845258 A CN113845258 A CN 113845258A CN 202111231977 A CN202111231977 A CN 202111231977A CN 113845258 A CN113845258 A CN 113845258A
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CN
China
Prior art keywords
tank
fixed connection
water
motor
recovery system
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.)
Pending
Application number
CN202111231977.0A
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Chinese (zh)
Inventor
陈盛凯
彭忠信
杨伟明
胡大海
毛志杰
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.)
Guangdong Ruifeng Environmental Protection Technology Co ltd
Original Assignee
Guangdong Ruifeng Environmental Protection Technology Co ltd
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.)
Filing date
Publication date
Application filed by Guangdong Ruifeng Environmental Protection Technology Co ltd filed Critical Guangdong Ruifeng Environmental Protection Technology Co ltd
Priority to CN202111231977.0A priority Critical patent/CN113845258A/en
Publication of CN113845258A publication Critical patent/CN113845258A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • E03B1/04Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041Greywater supply systems
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/34Treatment of water, waste water, or sewage with mechanical oscillations
    • C02F1/36Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/36Organic compounds containing halogen
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/001Runoff or storm water
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/002Grey water, e.g. from clothes washers, showers or dishwashers
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The invention discloses a system for grading treatment and recycling of organochlorine wastewater, which comprises a water collecting tank, a first sedimentation tank, a first water pump, an ultrasonic dechlorination tank, a second sedimentation tank, a flocculation tank and a filtration tank, wherein the water collecting tank, the first sedimentation tank, the ultrasonic dechlorination tank, the second sedimentation tank, the flocculation tank and the filtration tank are sequentially matched and connected with a first water pump through a drain pipe, a drain hole is formed in the bottom end of one side of the filtration tank, a valve is arranged on the drain hole, the top end of the flocculation tank is respectively and fixedly provided with the second water pump, a containing box and a motor, the system is provided with the water collecting tank, the first sedimentation tank, the ultrasonic dechlorination tank, the second sedimentation tank, the flocculation tank and the filtration tank, the wastewater can be graded and treated sequentially, the ultrasonic dechlorination tank and the flocculation tank are arranged simultaneously, and organochlorine can be removed by an ultrasonic matching medicine mode, thereby effectively removing the organic chlorine in the wastewater and being convenient for the recycling treatment of water resources.

Description

Organochlorine waste water grading treatment and resource recovery system
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a system for grading treatment and recycling of organochlorine wastewater.
Background
The waste water is a general term of water and runoff rainwater drained in the process of activities of residents. The wastewater contains a plurality of harmful substances, including organic chlorine, the organic chlorine in the wastewater mainly comes from wastewater discharged by pesticides, dyes, plastics, synthetic rubber, chemical engineering, chemical fibers and other industries, and the direct drainage of the organic chlorine wastewater can harm certain environment, so that the organic chlorine wastewater needs to be treated, but the organic chlorine in the wastewater cannot be effectively removed in the existing treatment system, so that the design of an organic chlorine wastewater grading treatment and recycling recovery system is necessary.
Disclosure of Invention
The invention aims to provide a system for grading treatment and resource recovery of organic chlorine wastewater, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: organochlorine waste water stage treatment and resourceful recovery system, including catch basin, first sedimentation tank, first water pumper, ultrasonic wave dechlorination pond, second sedimentation tank, flocculation basin and filtering ponds, catch basin, first sedimentation tank, ultrasonic wave dechlorination pond, second sedimentation tank, flocculation basin and filtering ponds loop through the drain pipe and are connected with the cooperation of first water pumper, one side bottom of filtering ponds is provided with the wash port, and is provided with the valve on the wash port, the top of flocculation basin fixed mounting respectively has the second water pumper, holds case and motor, and the motor is located between the case that holds that corresponds each other, holds the case simultaneously and is located between second water pumper and the motor.
Further, the output end of the motor is fixedly connected with the top end of the screw rod, a through hole is formed in the joint of the top plate and the output end of the motor, and the bottom end of the screw rod is fixedly connected with the center of the top end of the fixing plate in a sleeved mode in a bearing embedded and installed.
Further, the horizontal fixed connection of fixed plate is in the inside of flocculation basin, and the center top of lead screw cup joints fixedly with the center department of spacing ring, and the bottom of spacing ring is provided with removes the post, and the ball nut that the center department of removing the post set up is connected with the lead screw is mutually supported.
Further, the both sides of removing the post are located the gag lever post respectively and slide, the top of gag lever post respectively with the bottom fixed connection of roof, the bottom of gag lever post respectively with the top fixed connection of fixed plate, the both sides of removing the post are articulated with the one end of spliced pole respectively, the other end of spliced pole is articulated with the top of connecting rod respectively, one side of connecting rod and one side fixed connection of matrix water pipe, the opposite side of matrix water pipe respectively with the one end fixed connection of connecting block, the other end of connecting block is articulated with the inside both sides of flocculation basin respectively.
Further, evenly be provided with the shower nozzle that a plurality of each other correspond on the matrix water pipe, matrix water pipe and coupling hose's one end fixed connection simultaneously, coupling hose's the other end respectively with the output fixed connection of second water pumper, the input of second water pumper pass through the pipeline and hold the case cooperation and be connected.
Compared with the prior art, the invention has the following beneficial effects: the system is provided with a water collecting tank, a first sedimentation tank, an ultrasonic dechlorination tank, a second sedimentation tank, a flocculation tank and a filtering tank, which are beneficial to the graded treatment of the wastewater in turn, meanwhile, the ultrasonic dechlorination tank and the flocculation tank are arranged, which is beneficial to removing organic chlorine by matching medicines with ultrasonic waves, thereby effectively removing the organic chlorine in the wastewater, simultaneously facilitating the recycling treatment of water resources, and in the process of treating the wastewater by utilizing the flocculation tank, the matrix type water pipe is arranged inside the flocculation tank, which is beneficial to the full contact of the medicine and the wastewater, thereby facilitating the treatment of the wastewater, and the motor, the screw rod, the moving column, the connecting rod, the matrix type water pipe and the connecting block are favorable for driving the matrix type water pipe to swing, thereby avoided being unfavorable for clearing up the remaining impurity in the inside bottom of flocculation basin because sheltering from of matrix water pipe.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front sectional view of a portion of the structure of the present invention;
FIG. 2 is a front cross-sectional view of a flocculation basin of the present invention;
FIG. 3 is a perspective view of a flocculation basin of the present invention;
FIG. 4 is a perspective view of the matrix type water pipe of the present invention;
in the figure: 1. a water collecting tank; 2. a first sedimentation tank; 3. a first water pump; 4. an ultrasonic dechlorination tank; 5. a second sedimentation tank; 6. a flocculation tank; 7. a filtration tank; 8. a limiting rod; 9. a connecting rod; 10. a matrix type water pipe; 11. connecting blocks; 12. a fixing plate; 13. a connecting hose; 14. moving the column; 15. a second water pump; 16. an accommodating box; 17. a motor; 18. a limiting ring; 19. a top plate; 20. connecting columns; 21. and a screw rod.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the 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. 1-4, the present invention provides a technical solution: the organochlorine wastewater grading treatment and resource recycling system comprises a water collecting tank 1, a first sedimentation tank 2, a first water pump 3, an ultrasonic dechlorination tank 4, a second sedimentation tank 5, a flocculation tank 6 and a filtering tank 7, wherein the water collecting tank 1, the first sedimentation tank 2, the ultrasonic dechlorination tank 4, the second sedimentation tank 5, the flocculation tank 6 and the filtering tank 7 are sequentially matched and connected with the first water pump 3 through a water discharge pipe, a water discharge hole is formed in the bottom end of one side of the filtering tank 7 and is provided with a valve, the top end of the flocculation tank 6 is respectively and fixedly provided with a second water pump 15, a containing box 16 and a motor 17, the motor 17 is positioned between the corresponding containing boxes 16, meanwhile, the containing box 16 is positioned between the second water pump 15 and the motor 17, the output end of the motor 17 is fixedly connected with the top end of a screw rod 21, a through hole is formed in the connection position of a top plate 19 and the output end of the motor 17, the bottom end of the screw rod 21 is fixedly sleeved and the inside a bearing embedded and installed in the center of the top end of a fixing plate 12, the bottom end of a screw rod 21 is fixedly sleeved with the inside of a bearing, so that the screw rod 21 can rotate conveniently, a fixed plate 12 is horizontally and fixedly connected inside a flocculation tank 6, the top end of the center of the screw rod 21 is fixedly sleeved with the center of a limiting ring 18, a moving column 14 is arranged at the bottom end of the limiting ring 18, a ball nut arranged at the center of the moving column 14 is mutually matched and connected with the screw rod 21, the ball nut is mutually matched and connected with the screw rod 21, so that the moving column 14 can be driven to move through the rotation of the screw rod 21, two sides of the moving column 14 are respectively positioned on a limiting rod 8 to slide, the top end of the limiting rod 8 is respectively fixedly connected with the bottom end of a top plate 19, the bottom end of the limiting rod 8 is respectively fixedly connected with the top end of the fixed plate 12, two sides of the moving column 14 are respectively hinged with one end of a connecting column 20, the other end of the connecting column 20 is respectively hinged with the top end of a connecting rod 9, one side of the connecting rod 9 is fixedly connected with one side of a matrix water pipe 10, the other side of the matrix type water pipe 10 is fixedly connected with one end of a connecting block 11, the other end of the connecting block 11 is hinged with two sides of the interior of the flocculation tank 6, a plurality of spray heads corresponding to each other are uniformly arranged on the matrix type water pipe 10, meanwhile, the matrix type water pipe 10 is fixedly connected with one end of a connecting hose 13, the other end of the connecting hose 13 is fixedly connected with the output end of a second water pump 15, and the input end of the second water pump 15 is connected with a containing box 16 in a matched mode through a pipeline; when the device is used, firstly, the wastewater is discharged into the water collecting tank 1, then the wastewater in the water collecting tank 1 sequentially flows into the first sedimentation tank 2, the ultrasonic dechlorination tank 4, the second sedimentation tank 5, the flocculation tank 6 and the filtration tank 7 by using the arranged pipeline and the first water pump 3 for treatment, when the wastewater stays in the ultrasonic dechlorination tank 4, the wastewater is dechlorinated by the ultrasonic dechlorination device arranged in the ultrasonic dechlorination tank 4, meanwhile, when the wastewater stays in the flocculation tank 6, the medicines are placed in the containing box 16, then the treatment medicines in the containing box 16 flow into the matrix type water pipe 10 through the connecting hose 13 by opening the second water pump 15 and are sprayed out of the matrix type water pipe 10, and the matrix type water pipe 10 is positioned in the flocculation tank 6, so that the medicines are fully contacted with the wastewater, and the residual organic chlorine in the wastewater is accurately cleared, then the second water pump 15 is closed, when the treated waste water is cleared, the valve is arranged on the drain hole by opening, and when the residual impurities in the flocculation tank 6 are cleared, the motor 17 is opened to drive the screw rod 21 to rotate, because the ball nut arranged on the movable column 14 is matched and connected with the screw rod 21, the movable column 14 is driven to move by the rotation of the screw rod 21, meanwhile, the two ends of the connecting column 20 are respectively hinged with the movable column 14 and the connecting rod 9, and further, the movable column 14 is driven to swing by the movement of the connecting column 20, so as to drive the swing of the matrix type water pipe 10, when the matrix type water pipe 10 inclines to a certain degree with the horizontal plane, the motor 17 can be closed, then, the residual impurities in the flocculation tank 6 can be cleared manually, and the situation that the blockage of the matrix type water pipe 10 is not beneficial to clearing the impurities in the flocculation tank 6 is avoided, after the impurities are removed, the motor 17 is manually turned on to enable the connecting column 20 to rotate reversely, and the motor 17 can be turned off when the top end plane of the matrix type water pipe 10 is parallel to the horizontal plane.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an organochlorine waste water stage treatment and resource recovery system, includes catch basin (1), first sedimentation tank (2), first water pumper (3), ultrasonic wave dechlorination pond (4), second sedimentation tank (5), flocculation basin (6), filtering ponds (7) and roof (19), its characterized in that: the utility model discloses a water collecting tank, including collecting tank (1), first sedimentation tank (2), ultrasonic wave dechlorination pond (4), second sedimentation tank (5), flocculation basin (6) and filtering ponds (7) loop through drain pipe and first water pumper (3) cooperation and connect, one side bottom of filtering ponds (7) is provided with the wash port, and is provided with the valve on the wash port, the top of flocculation basin (6) is fixed mounting respectively has second water pumper (15), holds case (16) and motor (17), and motor (17) are located between the case (16) that hold that corresponds each other, hold case (16) simultaneously and are located between second water pumper (15) and motor (17).
2. The organic chloride wastewater stage treatment and resource recovery system according to claim 1, wherein: the output end of the motor (17) is fixedly connected with the top end of the screw rod (21), a through hole is formed in the joint of the top plate (19) and the output end of the motor (17), and the bottom end of the screw rod (21) is fixedly connected with the inside of a bearing embedded into the center of the top end of the fixing plate (12) in a sleeved mode.
3. The organic chloride wastewater stage treatment and resource recovery system according to claim 2, wherein: fixed plate (12) level fixed connection is in the inside of flocculation basin (6), and the center top of lead screw (21) and the center department of spacing ring (18) cup joint fixedly, and the bottom of spacing ring (18) is provided with removes post (14), and the ball nut that the center department of removing post (14) set up mutually supports with lead screw (21) and is connected.
4. The organic chloride wastewater stage treatment and resource recovery system according to claim 3, wherein: remove the both sides of post (14) and be located gag lever post (8) and slide respectively, the top of gag lever post (8) respectively with the bottom fixed connection of roof (19), the bottom of gag lever post (8) respectively with the top fixed connection of fixed plate (12), the both sides of removing post (14) are articulated with the one end of spliced pole (20) respectively, the other end of spliced pole (20) is articulated with the top of connecting rod (9) respectively, one side of connecting rod (9) and one side fixed connection of matrix water pipe (10), the opposite side of matrix water pipe (10) respectively with the one end fixed connection of connecting block (11), the other end of connecting block (11) is articulated with the inside both sides of flocculation basin (6) respectively.
5. The organic chloride wastewater stage treatment and resource recovery system according to claim 4, wherein: evenly be provided with the shower nozzle that a plurality of each other correspond on matrix water pipe (10), matrix water pipe (10) and the one end fixed connection of coupling hose (13) simultaneously, the other end of coupling hose (13) respectively with the output fixed connection of second water pumper (15), the input of second water pumper (15) is passed through the pipeline and is connected with holding case (16) cooperation.
CN202111231977.0A 2021-10-22 2021-10-22 Organochlorine waste water grading treatment and resource recovery system Pending CN113845258A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111231977.0A CN113845258A (en) 2021-10-22 2021-10-22 Organochlorine waste water grading treatment and resource recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111231977.0A CN113845258A (en) 2021-10-22 2021-10-22 Organochlorine waste water grading treatment and resource recovery system

Publications (1)

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CN113845258A true CN113845258A (en) 2021-12-28

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CN202111231977.0A Pending CN113845258A (en) 2021-10-22 2021-10-22 Organochlorine waste water grading treatment and resource recovery system

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105850827A (en) * 2016-04-30 2016-08-17 中山市翔实机械设备有限公司 Feeding machine with adjustable feeding range
CN107572715A (en) * 2017-10-19 2018-01-12 武汉嘉鹏电子有限公司 A kind of industrial wastewater treatment system
CN108854809A (en) * 2018-07-06 2018-11-23 湖南城市学院 A kind of sewage treatment chemicals dosing plant
CN108910987A (en) * 2018-08-31 2018-11-30 四川知创知识产权运营有限公司 A kind of sewage disposal system
CN110921937A (en) * 2019-12-17 2020-03-27 江西省科学院 Fenton-ultrasonic coupling-based wastewater treatment system
CN111995186A (en) * 2020-08-21 2020-11-27 广东瑞峰环保科技有限公司 Wastewater treatment device and process thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105850827A (en) * 2016-04-30 2016-08-17 中山市翔实机械设备有限公司 Feeding machine with adjustable feeding range
CN107572715A (en) * 2017-10-19 2018-01-12 武汉嘉鹏电子有限公司 A kind of industrial wastewater treatment system
CN108854809A (en) * 2018-07-06 2018-11-23 湖南城市学院 A kind of sewage treatment chemicals dosing plant
CN108910987A (en) * 2018-08-31 2018-11-30 四川知创知识产权运营有限公司 A kind of sewage disposal system
CN110921937A (en) * 2019-12-17 2020-03-27 江西省科学院 Fenton-ultrasonic coupling-based wastewater treatment system
CN111995186A (en) * 2020-08-21 2020-11-27 广东瑞峰环保科技有限公司 Wastewater treatment device and process thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
太湖水环境修复示范项目技术专家组编: "《高度处理净化槽结构设计与维护管理指》", 哈尔滨工业大学出版社, pages: 100 *

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Application publication date: 20211228

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