CN108970186B - Mud and oil scraping device for sedimentation tank - Google Patents
Mud and oil scraping device for sedimentation tank Download PDFInfo
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- CN108970186B CN108970186B CN201810583215.9A CN201810583215A CN108970186B CN 108970186 B CN108970186 B CN 108970186B CN 201810583215 A CN201810583215 A CN 201810583215A CN 108970186 B CN108970186 B CN 108970186B
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- sedimentation tank
- oil
- fixed
- driving
- mud
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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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Removal Of Floating Material (AREA)
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Abstract
The invention discloses a mud scraping and oil scraping device for a sedimentation tank, which comprises the sedimentation tank, a cover plate, a mud discharging pipe, a water inlet pipe, a water outlet pipe, an oil collecting pipe and the oil scraping and oil scraping device, wherein the oil scraping and oil scraping device comprises two liftable chains which are symmetrically arranged in the sedimentation tank in a front-back mode, a plurality of scraping plates are fixed on the two chains, and two ends of each chain are respectively tensioned on a driving chain wheel and a driven chain wheel. The invention utilizes the specific gravity difference of various substances in the wastewater to automatically form the oil residue layer and the sludge layer, and utilizes the lifting scraper plate on the chain to scrape the oil residue layer and the sludge layer in batches, thereby achieving better oil and sludge removing effects.
Description
The technical field is as follows:
the invention relates to the technical field of environment-friendly equipment, in particular to a mud and oil scraping device for a sedimentation tank.
Background art:
the petroleum industry and the petrochemical industry discharge waste water containing a large amount of oil products in the production process; the coking and gasification industries of coal discharge waste water containing high-concentration tar; the wool spinning industry, the meat industry and the like discharge waste water containing more grease. The oily wastewater, if discharged into water, causes pollution, and irrigated farmlands block soil pores and are harmful to crop growth. The essential thing in the oil separation tank is the oil scraper. Present frizing mud scraper adopts drive arrangement to drive frizing mud scraping belt function to realize the efficiency of below mud scraping top frizing, scrape mud when the frizing, can carry out secondary pollution to the oil reservoir, reach not better deoiling desilt effect, the urgent need be improved.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provide a mud scraping and oil scraping device for a sedimentation tank, which utilizes the specific gravity difference of various substances in wastewater to automatically form an oil residue layer and a sludge layer, and utilizes a lifting scraper plate on a chain to scrape the oil residue layer and the sludge layer in batches, thereby achieving better oil and mud removing effects.
The scheme for solving the technical problems is as follows:
a mud scraping and oil scraping device for a sedimentation tank comprises a rectangular sedimentation tank with an opening at the upper side, a cover plate is arranged above the sedimentation tank, a trapezoidal groove is formed at the right end of the lower bottom surface of the sedimentation tank, the trapezoidal groove is connected with a mud discharge pipe, a water inlet pipe and a water outlet pipe, and an oil collection pipe is fixed above the sedimentation tank; the oil scraping and mud scraping device is arranged in the sedimentation tank and comprises two liftable chains which are symmetrically arranged in the sedimentation tank from front to back, a plurality of scraping plates are fixed on the two chains, two ends of each chain are respectively tensioned on a driving chain wheel and a driven chain wheel, the two driving chain wheels are fixed at two ends of a driving shaft, the two driven chain wheels are fixed at two ends of a connecting shaft, two ends of the driving shaft are respectively hinged with a guide block, two ends of the connecting shaft are respectively hinged with a guide block and a lifting part, the three guide blocks are respectively inserted and sleeved in corresponding small guide grooves on the side wall of the sedimentation tank, the lifting part is inserted and sleeved in a large guide groove on the side wall of the sedimentation tank, a support is formed in the lifting part, and the driving shaft and the connecting shaft are inserted and sleeved at two ends of the; the rear end of the driving shaft is fixedly provided with a first driving wheel, the first driving wheel is connected to the middle part of the driving belt, the upper end and the lower end of the driving belt are respectively tensioned on a second driving wheel and a driven chain wheel, the driven chain wheel is hinged to the rear side wall of the trapezoidal groove through a hinge shaft, the second driving wheel is fixed on an output shaft of a first motor, and the first motor is fixed on the outer wall of the rear side of the sedimentation tank; the lifting part is in threaded connection with the middle of the screw rod, the lower end of the screw rod is hinged to the lower bottom surface of the sedimentation tank, the upper end of the screw rod is fixed to an output shaft of the second motor, and the second motor is fixed to the cover plate; the first motor and the second motor are connected with the central controller through wires.
The lower bottom surface shaping of dovetail groove has the high low inclined plane in middle of both ends, the mud pipe connection is at the least significant end on inclined plane.
A rectangular opening is formed in the outer wall of the middle part of the oil collecting pipe; and a limiting plate is fixed at the upper end of the large guide groove.
The distance between the lower bottom surface of the limiting plate and the lower bottom surface of the rectangular notch is L1, the vertical distance between the upper bottom surface of the lifting part and the topmost end of the scraper is L2, and L2 is larger than L1; the distance between the lower bottom surface of the large guide groove and the lower bottom surface of the sedimentation tank is L3, the vertical distance between the lower bottom surface of the lifting part and the lowest end of the scraper is L4, and L3 is equal to L4.
The invention has the following outstanding effects:
compared with the prior art, the oil residue layer and the sludge layer are automatically formed by utilizing the specific gravity difference of various substances in the wastewater, and the oil residue layer and the sludge layer are scraped in batches by utilizing the scraper plates on the liftable chain, so that better oil and sludge removing effects can be achieved.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 taken about A-A;
FIG. 3 is a cross-sectional view of FIG. 2 taken about B-B;
fig. 4 is a cross-sectional view of fig. 1 taken about C-C.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 4, a mud scraping and oil scraping device for a sedimentation tank comprises a rectangular sedimentation tank 11 with an open upper side, a cover plate 12 is arranged above the sedimentation tank 11, a trapezoidal groove 111 is formed at the right end of the lower bottom surface of the sedimentation tank 11, the trapezoidal groove 111 is connected with a mud discharge pipe 13, a water inlet pipe 14 and a water outlet pipe 15, and an oil collection pipe 16 is fixed above the sedimentation tank 11; the oil scraping and mud scraping device is arranged in the sedimentation tank 11 and comprises two liftable chains 21 which are symmetrically arranged in the sedimentation tank 11 in a front-back manner, a plurality of scraping plates 22 are fixed on the two chains 21, two ends of each chain 21 are respectively tensioned on a driving chain wheel 23 and a driven chain wheel 24, the two driving chain wheels 23 are fixed at two ends of a driving shaft 25, the two driven chain wheels 24 are fixed at two ends of a connecting shaft 26, two ends of the driving shaft 25 are respectively hinged with a guide block 27, two ends of the connecting shaft 26 are respectively hinged with a guide block 27 and a lifting part 28, the three guide blocks 27 are respectively inserted and sleeved in corresponding small guide grooves 112 on the side wall of the sedimentation tank 11, and the lifting part 28 is inserted and sleeved in a large guide groove 113 on the side wall of the sedimentation tank 11, the lifting part 28 is formed with a bracket 281, and the driving shaft 25 and the connecting shaft 26 are inserted and sleeved at both ends of the bracket 281; a first driving wheel 29 is fixed at the rear end of the driving shaft 25, the first driving wheel 29 is connected to the middle part of a driving belt 30, the upper end and the lower end of the driving belt 30 are respectively tensioned on a second driving wheel 31 and a driven chain wheel 32, the driven chain wheel 32 is hinged on the rear side wall of the trapezoidal groove 111 through a hinge shaft 33, the second driving wheel 31 is fixed on the output shaft of a first motor 34, and the first motor 34 is fixed on the rear side outer wall of the sedimentation tank 11; the lifting part 28 is screwed in the middle of the screw rod 35, the lower end of the screw rod 35 is hinged on the lower bottom surface of the sedimentation tank 11, the upper end of the screw rod 35 is fixed on the output shaft of the second motor 36, and the second motor 36 is fixed on the cover plate 12; the first motor 34 and the second motor 36 are connected with the central controller through wires.
Furthermore, the lower bottom surface of the trapezoidal groove 111 is formed with an inclined surface 114 having two ends higher and a middle lower, and the sludge discharge pipe 13 is connected to the lowest end of the inclined surface 114.
Furthermore, a rectangular notch 161 is formed on the outer wall of the middle part of the oil collecting pipe 16; a stopper plate 37 is fixed to the upper end of the large guide groove 113.
Furthermore, the distance between the lower bottom surface of the limiting plate 37 and the lower bottom surface of the rectangular notch 161 is L1, the vertical distance between the upper bottom surface of the lifting part 28 and the topmost end of the scraper 22 is L2, and L2 is greater than L1; the distance between the lower bottom surface of the large guide groove 113 and the lower bottom surface of the sedimentation tank 11 is L3, the vertical distance between the lower bottom surface of the elevating part 28 and the lowest end of the scraper 22 is L4, and L3 is equal to L4.
The working principle is as follows: firstly, sewage enters the sedimentation tank 11 from the water inlet pipe 14, and after reaching a proper water level, the water inlet pipe 14 is closed; secondly, after standing for a period of time, the sewage automatically forms an oil residue layer floating on the water and a sludge layer deposited on the bottom surface of the sedimentation tank 11; thirdly, the second motor 36 is started through the central controller, the second motor 36 drives the screw 35 to rotate, the screw 35 drives the lifting part 28 to move upwards and press against the limit plate 37, the lifting part 28 drives the driving shaft 25 and the connecting shaft 26 to move upwards through the support 281, so that the scraper 22 is inserted into the oil residue layer, the first motor 34 is started through the central controller, the first motor 34 drives the second driving wheel 31 to rotate, the second driving wheel 31 drives the first driving wheel 29 to rotate through the driving belt 30, the first driving wheel 29 drives the two driving chain wheels 23 to simultaneously rotate through the driving shaft 25, the two driving chain wheels 23 simultaneously drive the two chains 21, the scraper 22 on the two chains 21 scrapes the oil residue layer, and the oil residue on the oil residue layer flows out to the outside through the oil collecting pipe 16; after the oil sludge layer is removed, the second motor 36 is reversed to drive the lifting part 28 to move downwards and press the lifting part on the bottom surface of the large guide groove 113, then the sludge layer is removed, the sludge in the sludge layer is scraped into the trapezoidal groove 111 by the scraper 22, the sludge can be discharged from the sludge discharge pipe 13, and after the sludge is discharged, the sludge discharge pipe is closed, and the water after oil removal and impurity removal is discharged from the water outlet pipe 15.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (4)
1. The utility model provides a sedimentation tank mud scraping oil scraping device, includes that upside open-ended is sedimentation tank (11) of rectangle form, and the top of sedimentation tank (11) is equipped with apron (12), its characterized in that: a trapezoidal groove (111) is formed at the right end of the lower bottom surface of the sedimentation tank (11), the trapezoidal groove (111) is connected with a sludge discharge pipe (13), a water inlet pipe (14) and a water outlet pipe (15), and an oil collection pipe (16) is fixed above the sedimentation tank (11); the oil scraping and mud scraping device is arranged in the sedimentation tank (11), the oil scraping and mud scraping device comprises two liftable chains (21) which are symmetrically arranged in the sedimentation tank (11) in a front-back manner, a plurality of scraping plates (22) are fixed on the two chains (21), two ends of each chain (21) are respectively tensioned on a driving chain wheel (23) and a driven chain wheel (24), the two driving chain wheels (23) are fixed at two ends of a driving shaft (25), the two driven chain wheels (24) are fixed at two ends of a connecting shaft (26), two ends of the driving shaft (25) are respectively hinged with a guide block (27), two ends of the connecting shaft (26) are respectively hinged with a guide block (27) and a lifting part (28), the three guide blocks (27) are respectively inserted in corresponding small guide grooves (112) on the side wall of the sedimentation tank (11), and the lifting part (28) is inserted in a large guide groove (113) on the side wall of the sedimentation tank (11), the lifting part (28) is formed with a bracket (281), and the driving shaft (25) and the connecting shaft (26) are inserted and sleeved at two ends of the bracket (281); a first driving wheel (29) is fixed at the rear end of the driving shaft (25), the first driving wheel (29) is connected to the middle of the driving belt (30), the upper end and the lower end of the driving belt (30) are respectively tensioned on a second driving wheel (31) and a driven chain wheel (32), the driven chain wheel (32) is hinged to the rear side wall of the trapezoidal groove (111) through a hinge shaft (33), the second driving wheel (31) is fixed on an output shaft of a first motor (34), and the first motor (34) is fixed on the outer wall of the rear side of the sedimentation tank (11); the lifting part (28) is in threaded connection with the middle part of the screw rod (35), the lower end of the screw rod (35) is hinged to the lower bottom surface of the sedimentation tank (11), the upper end of the screw rod (35) is fixed to an output shaft of the second motor (36), and the second motor (36) is fixed to the cover plate (12); the first motor (34) and the second motor (36) are connected with the central controller through wires.
2. The mud scraping and oil scraping device for the sedimentation tank as claimed in claim 1, wherein: the lower bottom surface shaping of dovetail groove (111) has both ends height inclined plane (114) that the centre is low, mud pipe (13) are connected in the lowest end on inclined plane (114).
3. The mud scraping and oil scraping device for the sedimentation tank as claimed in claim 1, wherein: a rectangular notch (161) is formed on the outer wall of the middle part of the oil collecting pipe (16); a limiting plate (37) is fixed at the upper end of the large guide groove (113).
4. A sedimentation tank mud and oil scraping device according to claim 3, characterized in that: the distance between the lower bottom surface of the limiting plate (37) and the lower bottom surface of the rectangular notch (161) is L1, the vertical distance between the upper bottom surface of the lifting part (28) and the topmost end of the scraper (22) is L2, and the L2 is greater than the L1; the distance between the lower bottom surface of the large guide groove (113) and the lower bottom surface of the sedimentation tank (11) is L3, the vertical distance between the lower bottom surface of the lifting part (28) and the lowest end of the scraper (22) is L4, and L3 is equal to L4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583215.9A CN108970186B (en) | 2018-06-06 | 2018-06-06 | Mud and oil scraping device for sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583215.9A CN108970186B (en) | 2018-06-06 | 2018-06-06 | Mud and oil scraping device for sedimentation tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108970186A CN108970186A (en) | 2018-12-11 |
| CN108970186B true CN108970186B (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810583215.9A Expired - Fee Related CN108970186B (en) | 2018-06-06 | 2018-06-06 | Mud and oil scraping device for sedimentation tank |
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| CN (1) | CN108970186B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121040A (en) * | 2021-05-12 | 2021-07-16 | 兰州凯宏中原石油科技有限公司 | Oil field sump oil recovery and pretreatment device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3647101B2 (en) * | 1995-10-02 | 2005-05-11 | 日立機電工業株式会社 | Sand garbage separation and unloading device |
| CN201643805U (en) * | 2010-01-15 | 2010-11-24 | 茂名学院 | Mud scraper for purified water device sedimentation tank |
| CN201940087U (en) * | 2011-01-13 | 2011-08-24 | 南京荣威机械实业有限公司 | Scum scraper |
| CN102527105B (en) * | 2012-03-13 | 2013-09-04 | 扬州青青环保成套设备有限公司 | Drossing mud scraper |
| CN103833098B (en) * | 2012-11-21 | 2016-04-06 | 常州江南环境工程有限公司 | Efficient recessed whirlpool air supporting precipitation machine |
| CN104671321B (en) * | 2015-03-12 | 2016-11-30 | 大庆市海油庆石油科技有限公司 | High-efficiency dissolued-air air floatation machine |
| CN205076845U (en) * | 2015-10-11 | 2016-03-09 | 陈婷婷 | Novel advection formula oil removal sedimentation tank |
| CN106139656A (en) * | 2016-08-30 | 2016-11-23 | 无锡市兴盛环保设备有限公司 | A kind of cleaning mechanism for sewage-treatment plant |
| CN206381733U (en) * | 2016-12-28 | 2017-08-08 | 广东晨工建筑材料有限公司 | A kind of coked waste water handles sedimentation basin |
| CN206604236U (en) * | 2017-04-01 | 2017-11-03 | 宜兴华都琥珀环保机械制造有限公司 | A kind of skimmer device |
| CN107998697A (en) * | 2018-01-24 | 2018-05-08 | 成都纽扣互动科技有限公司 | A kind of rectangular sedimentation tank for being used to handle graphite high-temperature tail gas condensate liquid |
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2018
- 2018-06-06 CN CN201810583215.9A patent/CN108970186B/en not_active Expired - Fee Related
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| CN108970186A (en) | 2018-12-11 |
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Effective date of registration: 20201224 Address after: 221000 rooms 129-137, Fuxing South Road, Yunlong District, Xuzhou City, Jiangsu Province Applicant after: Xuzhou tianqin Project Management Consulting Co.,Ltd. Address before: 215000 building 21, No. 369, Lushan Road, high tech Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU YAOSHUIYUAN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20210115 Termination date: 20210606 |