CN110935234A - Sewage treatment device based on gear transmission principle - Google Patents

Sewage treatment device based on gear transmission principle Download PDF

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Publication number
CN110935234A
CN110935234A CN202010002654.3A CN202010002654A CN110935234A CN 110935234 A CN110935234 A CN 110935234A CN 202010002654 A CN202010002654 A CN 202010002654A CN 110935234 A CN110935234 A CN 110935234A
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CN
China
Prior art keywords
fixedly connected
outside
hollow shaft
bevel gear
sewage treatment
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Application number
CN202010002654.3A
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Chinese (zh)
Inventor
钟仙珠
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to CN202010002654.3A priority Critical patent/CN110935234A/en
Publication of CN110935234A publication Critical patent/CN110935234A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks

Abstract

The invention relates to the technical field of sewage environmental protection, and discloses a sewage treatment device based on the gear transmission principle, which comprises a tank body, wherein the tank body is internally and movably connected with a hollow shaft, the side surface of the hollow shaft is provided with a water outlet, the outside of the hollow shaft is rotatably connected with a partition plate, the outside of the hollow shaft is fixedly connected with a first transmission wheel, the outside of the first transmission wheel is movably connected with a transmission belt, the outside of the transmission belt is movably connected with a second transmission wheel, the inside of the second transmission wheel is fixedly connected with a vibration shaft, the outside of the vibration shaft is fixedly connected with an eccentric wheel, the outside of the eccentric wheel is movably connected with a filter screen, sewage enters the inside of the filter screen through the hollow shaft by matching use of the hollow shaft and the filter screen, the hollow shaft drives the filter screen to rotate, thereby effectively improving the filtering effect.

Description

Sewage treatment device based on gear transmission principle
Technical Field
The invention relates to the technical field of sewage environmental protection, in particular to a sewage treatment device based on the gear transmission principle.
Background
Water pollution is a process of reducing or losing the use value of water caused by harmful chemical substances, polluting water in the environment, acid, alkali and oxidant in sewage, compounds such as copper, cadmium, mercury and arsenic, organic poisons such as benzene, dichloroethane and ethylene glycol, and the like, and poisoning aquatic organisms to influence drinking water sources and scenic spot landscapes, wherein oxygen in the water is consumed when the organic matters in the sewage are decomposed by microorganisms to influence the lives of the aquatic organisms, and after dissolved oxygen in the water is exhausted, the organic matters are subjected to anaerobic decomposition to generate unpleasant gases such as hydrogen sulfide and mercaptan, so that the water quality is further deteriorated, and the sewage is required to be purified to achieve the water quality required for discharging into a certain water body or reusing.
However, the existing sewage treatment equipment is often simple in structure, when filtering sewage, the filtration process is often accomplished by the gravity of the self of sewage of direct utilization, thereby leading to slow filtration speed, low filtration efficiency, and the problem of incomplete filtration exists, in addition, when sewage stirs, often all be single-shaft stirring, when stirring, sewage is because the centrifugal force acts on and forms the swirl at the center, and sewage can rotate along with the stirring vane when stirring, thereby leading to low stirring effect, leading to uneven mixing of liquid medicine and sewage, thereby leading to unsatisfactory sewage treatment effect.
In order to solve the above problems, the inventor provides a sewage treatment device based on the gear transmission principle, which has the advantages that the filter screen rotates and simultaneously generates a vibration effect by using a centrifugal force and an eccentric wheel, so that the sewage filtering speed is increased, the sewage filtering efficiency is improved, the multi-layer filter screens are arranged, the filtering effect is increased, the sewage filtering effect is ensured, and the sewage is stirred by reversely rotating the outer stirring blades and the inner stirring blades, so that the sewage stirring effect is improved, the sewage and the liquid medicine are fully mixed, and the sewage treatment effect is ensured.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a sewage treatment device based on the gear transmission principle comprises a tank body, a hollow shaft, a water outlet, a partition plate, a first transmission wheel, a transmission belt, a second transmission wheel, a vibration shaft, an eccentric wheel, a filter screen, a support rod, a support spring, a stirring motor, a central shaft, a first bevel gear, a second bevel gear, a third bevel gear, an outer sleeve rod, an outer stirring blade, an inner stirring blade and a water outlet pipe.
The positions and the connection relations of the structures are as follows:
the inner part of the tank body is movably connected with a hollow shaft, a water outlet is arranged on the side surface of the hollow shaft, a baffle plate is rotatably connected with the outer part of the hollow shaft, a first driving wheel is fixedly connected with the outer part of the hollow shaft, a driving belt is movably connected with the outer part of the first driving wheel, a second driving wheel is movably connected with the outer part of the driving belt, a vibration shaft is fixedly connected with the inner part of the second driving wheel, an eccentric wheel is fixedly connected with the outer part of the vibration shaft, a filter screen is movably connected with the outer part of the eccentric wheel, a supporting rod is fixedly connected with the inner part of the filter screen, a supporting spring is sleeved and connected with the outer part of the supporting rod, a stirring motor is fixedly connected with the top part of the tank body, a central shaft is, the external meshing of second bevel gear is connected with third bevel gear, the inside fixedly connected with mantle post of third bevel gear, the inside fixedly connected with outer stirring leaf of mantle post, the outside fixedly connected with inner stirring leaf of center pin, the outside fixedly connected with outlet pipe of jar body
Preferably, the outer part of the hollow shaft is movably connected with the water inlet pipe, and the outer part of the hollow shaft is movably connected with the filtering motor.
Preferably, the partition board is fixedly connected to the inside of the tank body, and divides the inside of the tank body into a filtering chamber, a stirring chamber and a settling chamber, wherein the filtering chamber is movably connected with the hollow shaft, the settling chamber is movably connected with the water outlet pipe, the stirring chamber is positioned between the filtering chamber and the settling chamber, the central shaft is movably connected to the inside of the stirring chamber, and water delivery pumps are respectively arranged among the filtering chamber, the stirring chamber and the settling chamber.
Preferably, the number of the eccentric wheels is two, the two eccentric wheels are fixedly connected with the vibration shaft, and the two eccentric wheels are respectively and movably connected to two sides of the bottom of the filter screen.
Preferably, the support rod and the support spring are respectively and fixedly connected to two ends of the filter screen, and the support rod and the support spring are both fixedly connected with the hollow shaft.
Preferably, the second bevel gear is movably connected inside the tank body.
Preferably, the outer loop bar is connected to the outside of center pin in the cup joint, outer loop bar and jar body swing joint, and the bottom of outer loop bar is provided with two montants of outer loop bar axial symmetry.
Preferably, the outer stirring blades are respectively and fixedly connected between two vertical rods of the outer sleeve rod, and the positions of the outer stirring blades and the inner stirring blades are mutually and alternately movably connected inside the tank body.
Preferably, the filter screen is of a columnar structure, the two ends of the filter screen are fixing plates, at least two layers of circular net plates are arranged between the fixing plates, the filter screen is movably connected to the outer portion of the hollow shaft, and the water outlet is located in the filter screen.
Advantageous effects
Compared with the prior art, the invention provides a sewage treatment device based on the gear transmission principle, which has the following beneficial effects:
1. this sewage treatment plant based on utilize gear drive principle uses through the cooperation of hollow shaft and filter screen, and sewage passes through the inside that the hollow shaft got into the filter screen, and the hollow shaft drives the filter screen and rotates to increase filterable speed, improve filtration efficiency, and the filter screen is provided with the multilayer otter board, thereby effectively improves filterable effect.
2. This sewage treatment plant based on utilize gear drive principle uses through the cooperation of vibrations axle, eccentric wheel and filter screen to reach the effect that drives the vibrations of filter screen, thereby further increase the filterable speed of filter screen, improve sewage treatment's efficiency.
3. This sewage treatment plant based on utilize gear drive principle uses through the cooperation of first bevel gear, second bevel gear and third bevel gear to make outer stirring leaf and interior stirring leaf antiport effect, thereby promote the effect of sewage stirring, avoid sewage and liquid medicine to mix inadequately, thereby promote sewage treatment's effect.
Drawings
FIG. 1 is a schematic view of the overall connection of the structure of the present invention;
FIG. 2 is a schematic view showing the connection of an A-A type end filter, a support rod, a support spring, a hollow shaft and an eccentric wheel in the structure of FIG. 1;
FIG. 3 is a schematic view showing the connection of a tank, a stirring motor, a central shaft, an outer loop bar, an outer stirring vane and an inner stirring vane;
fig. 4 is an enlarged view of the connection of the first bevel gear, the second bevel gear and the third bevel gear in part B of the structure of fig. 1.
In the figure: 1. a tank body; 2. a hollow shaft; 3. a water outlet; 4. a partition plate; 5. a first drive pulley; 6. a transmission belt; 7. a second transmission wheel; 8. a vibration shaft; 9. an eccentric wheel; 10. filtering with a screen; 11. a support bar; 12. a support spring; 13. a stirring motor; 14. a central shaft; 15. a first bevel gear; 16. a second bevel gear; 17. a third bevel gear; 18. an outer loop bar; 19. an outer stirring blade; 20. an inner stirring blade; 21. and (5) discharging a water pipe.
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, a sewage treatment apparatus based on the principle of gear transmission includes a tank 1, a hollow shaft 2, a water outlet 3, a partition plate 4, a first transmission wheel 5, a transmission belt 6, a second transmission wheel 7, a vibration shaft 8, an eccentric wheel 9, a filter screen 10, a support rod 11, a support spring 12, a stirring motor 13, a central shaft 14, a first bevel gear 15, a second bevel gear 16, a third bevel gear 17, an outer sleeve rod 18, an outer stirring blade 19, an inner stirring blade 20, and a water outlet pipe 21.
The positions and the connection relations of the structures are as follows:
the inner part of the tank body 1 is movably connected with a hollow shaft 2, the outer part of the hollow shaft 2 is movably connected with a water inlet pipe, the outer part of the hollow shaft 2 is movably connected with a filtering motor, the side surface of the hollow shaft 2 is provided with a water outlet 3, the outer part of the hollow shaft 2 is rotatably connected with a partition plate 4, the partition plate 4 is fixedly connected with the inner part of the tank body 1, the partition plate 4 partitions the inner part of the tank body 1 into a filtering chamber, a stirring chamber and a settling chamber, wherein the filtering chamber is movably connected with the hollow shaft 2, the settling chamber is movably connected with a water outlet pipe 21, the stirring chamber is positioned between the filtering chamber and the settling chamber, a central shaft 14 is movably connected with the inner part of the stirring chamber, water conveying pumps are respectively arranged among the filtering chamber, the stirring chamber and the settling chamber, the outer part of the hollow, the inside of the second driving wheel 7 is fixedly connected with a vibration shaft 8, the outside of the vibration shaft 8 is fixedly connected with eccentric wheels 9, the number of the eccentric wheels 9 is two, the two eccentric wheels 9 are both fixedly connected with the vibration shaft 8, the two eccentric wheels 9 are respectively and movably connected with the two sides of the bottom of the filter screen 10, the vibration shaft 8, the eccentric wheels 9 and the filter screen 10 are matched for use, so that the effect of driving the filter screen 10 to vibrate is achieved, the filtering speed of the filter screen 10 is increased, the efficiency of sewage treatment is improved, the outside of the eccentric wheels 9 is movably connected with the filter screen 10, the filter screen 10 is of a columnar structure, two ends are fixed plates, at least two layers of circular net plates are arranged between the fixed plates, the filter screen 10 is movably connected with the outside of the hollow shaft 2, the water outlet 3 is positioned inside the filter screen 10, hollow shaft 2 drives filter screen 10 and rotates to increase filterable speed, improve filtration efficiency, and filter screen 10 is provided with the multilayer otter board, thereby effectively improve filterable effect, the inside fixedly connected with bracing piece 11 of filter screen 10, the connection supporting spring 12 is cup jointed to the outside of bracing piece 11, bracing piece 11 and supporting spring 12 are fixed connection respectively at the both ends of filter screen 10, and bracing piece 11 and supporting spring 12 all with hollow shaft 2 fixed connection.
The top of the tank body 1 is fixedly connected with a stirring motor 13, the bottom of the stirring motor 13 is fixedly connected with a central shaft 14, the outer part of the central shaft 14 is fixedly connected with a first bevel gear 15, the outer part of the first bevel gear 15 is engaged with a second bevel gear 16, the second bevel gear 16 is movably connected with the inner part of the tank body 1, the outer part of the second bevel gear 16 is engaged with a third bevel gear 17, the first bevel gear 15, the second bevel gear 16 and the third bevel gear 17 are used in a matching way, so that the outer stirring blades 19 and the inner stirring blades 20 rotate reversely, the effect of stirring sewage is improved, the insufficient mixing of sewage and liquid medicine is avoided, the effect of treating sewage is improved, the outer sleeve 18 is fixedly connected with the inner part of the third bevel gear 17, the outer sleeve 18 is sleeved and connected with the outer part of the central shaft 14, the outer sleeve 18 is movably connected with the tank body 1, and the bottom of, the outer stirring blades 19 are fixedly connected to the inner portion of the outer sleeve 18, the outer stirring blades 19 are respectively fixedly connected between two vertical rods of the outer sleeve 18, the positions of the outer stirring blades 19 and the positions of the inner stirring blades 20 are alternately connected to the inner portion of the tank body 1, the inner stirring blades 20 are fixedly connected to the outer portion of the central shaft 14, and the water outlet pipe 21 is fixedly connected to the outer portion of the tank body 1
The working process and the principle are that when the water-saving filter works, sewage enters the interior of the tank body 1 through the hollow shaft 2, the tank body 1 is movably connected with the hollow shaft 2, the exterior of the hollow shaft 2 is movably connected with the water inlet pipe, the exterior of the hollow shaft 2 is movably connected with the filtering motor, the hollow shaft 2 is movably connected with the partition plate 4, the partition plate 4 is fixedly connected with the interior of the tank body 1, the partition plate 4 divides the interior of the tank body 1 into a filtering chamber, a stirring chamber and a settling chamber, wherein the filtering chamber is movably connected with the hollow shaft 2, the settling chamber is movably connected with the water outlet pipe 21, the stirring chamber is positioned between the filtering chamber and the settling chamber, the central shaft 14 is movably connected with the interior of the stirring chamber, water delivery pumps are respectively arranged among the filtering chamber, the stirring chamber and the settling chamber, the side surface of the hollow shaft 2, at least two layers of circular net plates are arranged between the fixed plates, the water outlet 3 is positioned inside the filter screen 10, the support rod 11 and the support spring 12 are respectively and fixedly connected with two ends of the filter screen 10, and the support rod 11 and the support spring 12 are both fixedly connected with the hollow shaft 2, so sewage enters the inside of the filter screen 10 from the water outlet 3 through the hollow shaft 2, meanwhile, the filter motor drives the hollow shaft 2 to rotate, the hollow shaft 2 drives the support rod 11 to rotate, the support rod 11 drives the filter screen 10 to rotate, thereby increasing the speed of sewage filtration, and because the hollow shaft 2 is fixedly connected with the first transmission wheel 5, the first transmission wheel 5 is movably connected with the transmission belt 6, the transmission belt 6 is connected with a movable rod of the second transmission wheel 7, the second transmission wheel 7 is fixedly connected with the vibration shaft 8, the vibration shaft 8 is fixedly connected with the eccentric wheel 9, and two eccentric wheels 9 are respectively and movably connected with two sides of the bottom of the filter screen 10, so the hollow shaft 2 drives the first driving wheel 5 to rotate, the first driving wheel 5 drives the second driving wheel 7 to rotate through the driving belt 6, the second driving wheel 7 drives the vibration shaft 8 to rotate, the vibration shaft 8 drives the eccentric wheel 9 to rotate, the eccentric wheel 9 drives the filter screen 10 to vibrate, and the supporting spring 12 plays a role in supporting and buffering.
Filtered sewage enters a stirring chamber in the tank body 1 through a drainage pump, because a central shaft 14 is positioned in the stirring chamber, the central shaft 14 is fixedly connected with a stirring motor 13, the central shaft 14 is fixedly connected with a first bevel gear 15, the first bevel gear 15 is meshed with a second bevel gear 16, the second bevel gear 16 is meshed with a third bevel gear 17, the third bevel gear 17 is fixedly connected with an outer sleeve 18, the outer sleeve 18 is sleeved outside the central shaft 14, the outer sleeve 18 is movably connected with the tank body 1, two vertical rods with symmetrical axes of the outer sleeve 18 are arranged at the bottom of the outer sleeve 18, outer stirring blades 19 are respectively and fixedly connected between the two vertical rods of the outer sleeve 18, the positions of the outer stirring blades 19 and the positions of the inner stirring blades 20 are alternately movably connected with each other in the tank body 1 from top to bottom, the inner stirring blades 20 are fixedly connected with the central shaft 14, so that the stirring motor 13 drives the central shaft, the central shaft 14 drives the inner stirring blade 20 to rotate, the central shaft 14 drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the second bevel gear 16 to rotate, the second bevel gear 16 drives the third bevel gear 17 to reversely rotate with the first bevel gear 15, the third bevel gear 17 drives the outer sleeve 18 to reversely rotate with the central shaft 14, and the outer sleeve 18 drives the outer stirring blade 19 to reversely rotate with the inner stirring blade 20, so that the stirring effect is improved, and the liquid medicine and the sewage are fully mixed.
When the sewage stirring is completed, the sewage is input into the settling chamber in the tank body 1 by the water delivery pump, and the treated sewage is discharged through the water outlet pipe 21 when the sewage stirring is completed.
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 (8)

1. The utility model provides a sewage treatment plant based on utilize gear drive principle, includes jar body (1), its characterized in that: the utility model discloses a vibration tank, including a tank body (1), the inside swing joint of the jar body (1) has a hollow shaft (2), the side of hollow shaft (2) has been seted up delivery port (3), the outside of hollow shaft (2) is rotated and is connected with baffle (4), the outside fixedly connected with first drive wheel (5) of hollow shaft (2), the outside swing joint of first drive wheel (5) has drive belt (6), the outside swing joint of drive belt (6) has second drive wheel (7), the inside fixedly connected with vibrations axle (8) of second drive wheel (7), the outside fixedly connected with eccentric wheel (9) of vibrations axle (8), the outside swing joint of eccentric wheel (9) has filter screen (10), the inside fixedly connected with bracing piece (11) of filter screen (10), the outside of bracing piece (11) cup joints and connects supporting spring (12), the top fixedly connected with agitator motor (13) of the jar body (1), the bottom fixedly connected with center pin (14) of agitator motor (13), the first bevel gear (15) of outside fixedly connected with of center pin (14), the outside meshing of first bevel gear (15) is connected with second bevel gear (16), the outside meshing of second bevel gear (16) is connected with third bevel gear (17), the inside fixedly connected with mantle pole (18) of third bevel gear (17), the inside fixedly connected with outer stirring leaf (19) of mantle pole (18), stirring leaf (20) in the outside fixedly connected with of center pin (14), the outside fixedly connected with outlet pipe (21) of the jar body (1).
2. The sewage treatment device based on the principle of utilizing gear transmission as claimed in claim 1, wherein: the outside and the inlet tube swing joint of hollow shaft (2), and the outside and the filter motor swing joint of hollow shaft (2).
3. The sewage treatment device based on the principle of utilizing gear transmission as claimed in claim 1, wherein: the water pump type water tank is characterized in that the partition plate (4) is fixedly connected inside the tank body (1), the partition plate (4) divides the inside of the tank body (1) into a filtering chamber, a stirring chamber and a settling chamber, the filtering chamber is movably connected with the hollow shaft (2), the settling chamber is movably connected with the water outlet pipe (21), the stirring chamber is located between the filtering chamber and the settling chamber, the central shaft (14) is movably connected inside the stirring chamber, and water delivery pumps are respectively arranged among the filtering chamber, the stirring chamber and the settling chamber.
4. The sewage treatment device based on the principle of utilizing gear transmission as claimed in claim 1, wherein: the two eccentric wheels (9) are fixedly connected with the vibration shaft (8), and the two eccentric wheels (9) are respectively movably connected to two sides of the bottom of the filter screen (10).
5. The sewage treatment device based on the principle of utilizing gear transmission as claimed in claim 1, wherein: the support rod (11) and the support spring (12) are respectively fixedly connected to two ends of the filter screen (10), and the support rod (11) and the support spring (12) are fixedly connected with the hollow shaft (2).
6. The sewage treatment device based on the principle of utilizing gear transmission as claimed in claim 1, wherein: the second bevel gear (16) is movably connected inside the tank body (1).
7. The sewage treatment device based on the principle of utilizing gear transmission as claimed in claim 1, wherein: the outer loop bar (18) is connected to the outside of the central shaft (14) in a sleeved mode, the outer loop bar (18) is movably connected with the tank body (1), and two vertical bars of the outer loop bar (18) are arranged at the bottom of the outer loop bar (18) and are symmetrical in axis.
8. The sewage treatment device based on the principle of utilizing gear transmission as claimed in claim 1, wherein: the outer stirring blades (19) are respectively and fixedly connected between two vertical rods of the outer sleeve rod (18), and the positions of the outer stirring blades (19) and the inner stirring blades (20) are alternately and movably connected with the inside of the tank body (1) from top to bottom.
CN202010002654.3A 2020-01-02 2020-01-02 Sewage treatment device based on gear transmission principle Withdrawn CN110935234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010002654.3A CN110935234A (en) 2020-01-02 2020-01-02 Sewage treatment device based on gear transmission principle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010002654.3A CN110935234A (en) 2020-01-02 2020-01-02 Sewage treatment device based on gear transmission principle

Publications (1)

Publication Number Publication Date
CN110935234A true CN110935234A (en) 2020-03-31

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CN202010002654.3A Withdrawn CN110935234A (en) 2020-01-02 2020-01-02 Sewage treatment device based on gear transmission principle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112174079A (en) * 2020-09-29 2021-01-05 占秋燕 Automatic sesame oil filling equipment

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CN108061680A (en) * 2017-11-29 2018-05-22 王文荣 A kind of preposition pretreatment unit of water quality online analyzer and the device preprocess method
CN108635953A (en) * 2018-06-01 2018-10-12 张云鹏 It is a kind of can automatic discharge rotary wastewater filtering device
CN108905371A (en) * 2018-07-27 2018-11-30 龙娇 A kind of trade effluent pre-processing device of anti-clogging filtering
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CN110143689A (en) * 2019-05-07 2019-08-20 湖南杰安环保设备有限公司 A kind of sewage treatment filter plant
CN209423061U (en) * 2018-11-28 2019-09-24 山西路易达科技有限公司 A kind of water paint plate filter

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Publication number Priority date Publication date Assignee Title
CN202803150U (en) * 2012-09-28 2013-03-20 顶益(开曼岛)控股有限公司 Sauce stirrer assembly and sauce stirring boiler
CN204051231U (en) * 2014-10-08 2014-12-31 刘嘉夫 Sludge water separating and treating apparatus
CN104973719A (en) * 2015-06-29 2015-10-14 青岛双瑞海洋环境工程股份有限公司 Anti-scale method and device of filter used in ship ballast water management system
CN108061680A (en) * 2017-11-29 2018-05-22 王文荣 A kind of preposition pretreatment unit of water quality online analyzer and the device preprocess method
CN208553395U (en) * 2018-04-26 2019-03-01 辽宁辰威环保工程科技有限公司 A kind of sewage treatment precise filtering device
CN108635953A (en) * 2018-06-01 2018-10-12 张云鹏 It is a kind of can automatic discharge rotary wastewater filtering device
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112174079A (en) * 2020-09-29 2021-01-05 占秋燕 Automatic sesame oil filling equipment

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Application publication date: 20200331

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