CN112058829B - Sewage treatment device convenient for removing dirt - Google Patents
Sewage treatment device convenient for removing dirt Download PDFInfo
- Publication number
- CN112058829B CN112058829B CN202011010391.7A CN202011010391A CN112058829B CN 112058829 B CN112058829 B CN 112058829B CN 202011010391 A CN202011010391 A CN 202011010391A CN 112058829 B CN112058829 B CN 112058829B
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- Prior art keywords
- rod
- motor
- cross beam
- wheel
- rotating
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- 239000010865 sewage Substances 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 244000309464 bull Species 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000005201 scrubbing Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physical Water Treatments (AREA)
- Brushes (AREA)
Abstract
The invention discloses a sewage treatment device convenient for removing dirt, which comprises a device body, wherein a treatment cavity with a circular cross section is arranged in the device body, a cross beam is arranged above the device body, a first rotating rod is arranged right below the cross beam, a coaxial second rotating rod is hinged below the first rotating rod, a dirt removing rod is arranged below the second rotating rod, a plurality of brush strips are arranged on the side surface and the bottom surface of the dirt removing rod, and the brush strips are attached to the side wall and the bottom of the corresponding treatment cavity; a motor is arranged right above the cross beam, and an output shaft of the motor is connected with the first rotating rod; a mounting rod is arranged below the cross beam, and a rotating wheel is arranged on the mounting rod; and an eccentric wheel is fixedly sleeved on the second rotating rod, and the arc surface of the eccentric wheel is correspondingly matched with the arc surface of the rotating wheel. The invention can clean dirt on the bottom and the wall of the sewage pool conveniently without affecting the normal use of the sewage pool, reduce the labor intensity of workers and improve the utilization rate of the pool.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment device convenient for removing dirt.
Background
Sewage treatment is a process of purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused. The sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy sources, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like, and the sewage treatment is increasingly carried into the daily life of common people.
In the sewage treatment process, sewage is often required to be subjected to sewage precipitation, and suspended substances (mainly sinkable solids) in water are caused to sink under the action of gravity, so that the suspended substances are separated from the wastewater, and the water quality becomes clear. The method is simple and easy to implement, and has good separation effect. However, suspended substances after sewage precipitation are attached to the bottom and the side wall of the treatment device, so that the treatment effect is affected and even blockage is caused after a long time, and a sewage treatment device convenient for removing dirt is needed to solve the problems.
Disclosure of Invention
Based on the defects of the prior art, the technical problem solved by the invention is to provide the sewage treatment device convenient for cleaning dirt, so that dirt on the bottom and the wall of the sewage tank can be cleaned conveniently and cleanly without affecting the normal use of the sewage tank, the labor intensity of workers is reduced, and the use rate of the tank is improved.
In order to solve the technical problems, the invention is realized by the following technical scheme: the invention provides a sewage treatment device convenient for removing dirt, which comprises a device body, wherein a treatment cavity with a circular cross section is arranged in the device body, a cross beam is arranged above the device body, a first rotating rod is arranged right below the cross beam, a coaxial second rotating rod is hinged below the first rotating rod, a dirt removing rod is arranged below the second rotating rod, a plurality of brush strips are arranged on the side surface and the bottom surface of the dirt removing rod, and the brush strips are attached to the side wall and the bottom of the corresponding treatment cavity; a motor is arranged right above the cross beam, and an output shaft of the motor is connected with the first rotating rod; a mounting rod is arranged below the cross beam, and a rotating wheel is arranged on the mounting rod; and an eccentric wheel is fixedly sleeved on the second rotating rod, and the arc surface of the eccentric wheel is correspondingly matched with the arc surface of the rotating wheel.
By last, the motor can drive first bull stick and second bull stick rotation, and the scrubbing pole of second bull stick below rotates along with it to the brush strip of scrubbing pole side and bottom surface can dispel the dirt of handling cavity's lateral wall and chamber bottom, and is very convenient. The second rotating rod is coaxially hinged with the first rotating rod, and the second rotating rod can shake while rotating through the matching arrangement of the rotating wheel and the eccentric wheel, so that the brush bar can shake and remove dirt, and the dirt is removed cleanly; in addition, dirt attached to the second rotating rod and the dirt removing rod can be removed due to shaking, and the dirt removing force is stronger. Because the rotating wheel can rotate, the rotating friction is small, and the shaking is realized by utilizing the cooperation of the rotating wheel and the eccentric wheel, so that the service life of the eccentric wheel is longer.
Preferably, the motor is located in a waterproof box, a switch door is arranged on the waterproof box, and the waterproof box is located on the cross beam.
By the above, the motor is installed in the waterproof box, so that the motor can be better protected and has better waterproof capability.
Preferably, the bottom surface of first bull stick is equipped with the bulge, the top surface of second bull stick is equipped with two flange, the bulge is located between two flange and wears to be equipped with the articulated pole between the three.
By last, through the setting of bulge, two flange and articulated pole, realized the coaxial articulated between first bull stick and the second bull stick, articulated very stable moreover.
Preferably, the upper part of the side wall of the treatment cavity is provided with a water outlet hole, a filter screen is arranged on the water outlet hole, the cavity wall of the treatment cavity is provided with a sewage draining hole, and the sewage draining hole is provided with a switch.
From the above, sewage is discharged from the water outlet after being filtered by the filter screen, suspended matters sink to the bottom of the treatment cavity under the action of gravity, and then the switch is turned on periodically to discharge the suspended matters from the sewage discharge hole. In the process of discharging suspended matters, the rotation of the brush bar on the dirt removing rod can accelerate the discharging speed and improve the discharging efficiency.
Furthermore, connecting rods are arranged at two ends of the cross beam, channel steel tracks are arranged on the top surface of the device body, and the connecting rods are connected to the tracks.
By the above, the setting of connecting rod makes the crossbeam can install in device body top, and can make connecting rod, crossbeam can horizontal slip through the track.
Preferably, the inside mounting hole that all is equipped with of two connecting rods, and install screw rod and guide bar respectively, the screw rod rotates with the connecting rod to be connected, guide bar and connecting rod fixed connection, simultaneously, screw rod and guide bar all pass the crossbeam, just crossbeam and screw rod spiro union, with guide bar sliding connection.
By last, set up the screw rod and can be convenient for adjust the height of crossbeam to adjust the height position of brush strip in the processing chamber, in order to clear up the dirt on the device body inner wall.
Further, a second bevel gear is arranged at the lower part of the screw rod and meshed with the first bevel gear, the first bevel gear and the lifting motor coaxially rotate, and the lifting motor is arranged at the lower part of the mounting hole.
By last, through elevator motor's rotation for first bevel gear and second bevel gear meshing rotate, thereby drive the screw rod and rotate, and then drive the crossbeam and reciprocate, with the height position of regulation brush strip in the processing chamber.
Optionally, be equipped with walking wheel and auxiliary wheel in track and connecting rod junction, walking wheel is connected and synchronous rotation with the walking motor, just the walking wheel sets up in the track recess, the auxiliary wheel sets up between track top and connecting rod, and is equipped with the recess in connecting rod department.
The lifting motor is used for enabling the structures such as the cross beam and the brush bar to move upwards, when the lifting motor reaches a safe position, the lifting motor can be started without collision with the device body, the structures such as the connecting rod and the cross beam are driven to slide on the track, so that normal operation in the processing cavity is prevented from being hindered, and meanwhile, the travelling wheel can be arranged on one connecting rod only or on both connecting rods; the auxiliary wheel is arranged between the upper part of the track and the connecting rod, and the connecting rod is provided with a groove, so that the position of the auxiliary wheel can be ensured to be determined.
Further, the walking motor is located in the motor cover, and the motor cover is located on the connecting rod.
The walking motor is arranged in the motor cover, so that the walking motor can be better protected and has better waterproof capability.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as to provide further clarity and understanding of the above and other objects, features and advantages of the present invention, as described in the following detailed description of the preferred embodiments, taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic perspective view of a sewage treatment apparatus for facilitating the removal of scale according to the present invention;
FIG. 2 is a schematic cross-sectional view of a sewage treatment apparatus for facilitating the removal of scale according to the present invention;
FIG. 3 is another sectional view schematically showing a sewage treatment apparatus for facilitating the removal of scale according to the present invention;
fig. 4 is an enlarged schematic view of a partial structure at the waterproof case in fig. 3;
FIG. 5 is a schematic cross-sectional view of the lower portion of the connecting rod of FIG. 3;
fig. 6 is an enlarged schematic view of the structure at a in fig. 2.
Wherein: 110. a device body; 111. a processing chamber; 112. a track; 120. a cross beam; 121. a connecting rod; 122. a mounting hole; 131. a first rotating lever; 132. a second rotating rod; 140. a decontamination bar; 150. brushing strips; 160. a motor; 161. a waterproof box; 162. opening and closing a door; 170. a mounting rod; 180. a rotating wheel; 190. an eccentric wheel; 210. a protruding portion; 220. a convex plate; 230. a hinge rod; 240. a screw; 241. a guide rod; 242. a lifting motor; 243. a first bevel gear; 244. a second bevel gear; 260. a walking motor; 261. a motor cover; 270. a walking wheel; 280. an auxiliary wheel.
Detailed Description
The following detailed description of the invention, taken in conjunction with the accompanying drawings, illustrates the principles of the invention by way of example and by way of a further explanation of the principles of the invention, and its features and advantages will be apparent from the detailed description. In the drawings to which reference is made, the same or similar components in different drawings are denoted by the same reference numerals.
It should be noted that the description of "first", "second", etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implying an indication of the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Example 1
As shown in fig. 1 to 6, the sewage treatment device convenient for cleaning dirt of the present invention includes a device body 110, a treatment cavity 111 with a circular cross section is provided in the device body 110, a cross beam 120 is provided above the device body 110, a first rotating rod 131 is provided under the cross beam 120, a coaxial second rotating rod 132 is hinged under the first rotating rod 131, a dirt removing rod 140 is provided under the second rotating rod 132, a plurality of brush strips 150 are provided on the side surface and the bottom surface of the dirt removing rod 140, and the brush strips 150 are attached to the side wall and the cavity bottom of the corresponding treatment cavity 111. A motor 160 is arranged right above the cross beam 120, and an output shaft of the motor 160 is connected with the first rotating rod 131; a mounting rod 170 is arranged below the cross beam 120, and a rotating wheel 180 is arranged on the mounting rod 170; an eccentric wheel 190 is fixedly sleeved on the second rotating rod 132, and the arc surface of the eccentric wheel 190 is correspondingly matched with the arc surface of the rotating wheel 180.
The motor 160 can drive the first rotating rod 131 and the second rotating rod 132 to rotate, and the dirt removing rod 140 below the second rotating rod 132 rotates along with the first rotating rod, so that the brush bar 150 on the side surface and the bottom surface of the dirt removing rod 140 can remove dirt on the side wall and the bottom of the treatment cavity 111, and the cleaning device is quite convenient. Because the second rotating rod 132 is coaxially hinged with the first rotating rod 131, the second rotating rod 132 can shake while rotating due to the hinging structure and the gravity effect through the cooperation of the rotating wheel 180 and the eccentric wheel 190, so that the brush bar 150 can shake and remove dirt, and the dirt is removed more cleanly; in addition, dirt attached to the second rotating lever 132 and the dirt removing lever 140 can also be removed by shaking, and the dirt removing force is stronger. Because the rotating wheel 180 can rotate, the rotating friction is small, and the shaking is realized by utilizing the cooperation of the rotating wheel 180 and the eccentric wheel 190, so that the service life of the eccentric wheel 190 is longer.
In this embodiment, the motor 160 is located in a waterproof box 161, the waterproof box 161 is provided with a switch door 162, and the waterproof box 161 is located on the beam 120. The motor 160 is installed in the waterproof case 161, so that the motor 160 can be protected better and has better waterproof ability.
In addition, the bottom surface of the first rotating rod 131 is provided with a protruding portion 210, the top surface of the second rotating rod 132 is provided with two protruding plates 220, the protruding portion 210 is located between the two protruding plates 220, and a hinge rod 230 is arranged between the protruding plates. By the arrangement of the projection 210, the two projection plates 220 and the hinge rod 230, a coaxial hinge between the first and second rotary rods 131 and 132 is achieved, and the hinge is very stable.
In this embodiment, a water outlet is formed in the upper portion of the side wall of the treatment chamber 111, a filter screen is disposed on the water outlet, a drain hole is formed in the wall of the treatment chamber 111, and a switch is disposed on the drain hole. These structures are relatively common in the prior art and are not shown in the drawings. The sewage is discharged from the water outlet after being filtered by the filter screen, suspended matters sink to the bottom of the treatment cavity 111 under the action of gravity, and then the switch is turned on periodically to discharge the suspended matters from the sewage discharge hole. In the process of discharging suspended matters, the rotation of the brush bar 150 on the dirt removing rod 140 can accelerate the discharging speed, and the discharging efficiency is improved.
In addition, the two ends of the beam 120 of the invention are provided with the connecting rods 121, the top surface of the device body 110 is provided with the channel steel track 112, and the connecting rods 121 are connected to the track 112. The connecting rod 121 is provided such that the cross beam 120 can be installed above the device body 110, and the connecting rod 122 and the cross beam 120 can be horizontally slid through the rail 112.
In this embodiment, the inside mounting hole 122 that all is equipped with of two connecting rods 121, and install screw rod 240 and guide bar 241 respectively, screw rod 240 rotates with connecting rod 121 to be connected, guide bar 241 and connecting rod 121 fixed connection, simultaneously, screw rod 240 and guide bar 241 all pass crossbeam 120, and with screw rod 240 spiro union, with guide bar 241 sliding connection. The screw 240 can facilitate adjusting the height of the cross beam 120 to adjust the height position of the brush bar 150 within the treatment chamber 111 to clean dirt from the inner wall of the device body 110.
In this embodiment, a second bevel gear 244 is provided at the lower portion of the screw 240, the second bevel gear 244 is engaged with the first bevel gear 243, the first bevel gear 243 rotates coaxially with the elevating motor 242, and the elevating motor 242 is provided at the lower portion of the mounting hole 122. The rotation of the lifting motor 242 causes the first bevel gear 243 and the second bevel gear 244 to be meshed and rotated, so as to drive the screw 240 to rotate, and further drive the cross beam 120 to move up and down, so as to adjust the height position of the brush bar 150 in the processing cavity 111.
In addition, a traveling wheel 270 and an auxiliary wheel 280 are arranged at the joint of the rail 112 and the connecting rod 121, the traveling wheel 270 is connected with the traveling motor 260 and rotates synchronously, the traveling wheel 270 is arranged in a groove of the rail 112, the auxiliary wheel 280 is arranged between the upper side of the rail 112 and the connecting rod 121, and the connecting rod 121 is provided with a groove. The lifting motor 242 enables the structures such as the cross beam 120 and the brush bar 150 to move upwards, when a safe position is reached, the walking motor 270 can be started without collision with the device body 110, the structures such as the connecting rod 121 and the cross beam 120 are driven to slide on the track 112 so as to avoid blocking normal operation in the processing cavity 111, and meanwhile, the walking wheel 260 can be arranged on one connecting rod 121 or on both connecting rods 121; the auxiliary wheel 280 is disposed between the upper side of the rail 112 and the connection rod 121, and a groove is provided at the connection rod 121, so that the auxiliary wheel position determination can be ensured.
Wherein the walking motor 260 is located in the motor housing 261, and the motor housing 261 is located on the connecting rod. The traveling motor 270 is installed in the motor cover 261 such that the traveling motor 270 can be well protected and also has a well waterproof ability.
Example 2
This embodiment differs from embodiment 1 in that: the first rotating lever 131 is rotated manually by rotating the handle without a structure in which the motor 160 drives the first rotating lever 131 to rotate. In this way, although laborious, costs can be saved.
While the invention has been described with respect to the preferred embodiments, it will be understood that the invention is not limited thereto, but is capable of modification and variation without departing from the spirit of the invention, as will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a sewage treatment plant convenient to clear away dirt, its characterized in that, includes device body (110), be equipped with in device body (110) and take on the shape of a circle in the cross-section treatment chamber (111), device body (110) top is equipped with crossbeam (120), be equipped with first bull stick (131) under crossbeam (120), the below of first bull stick (131) articulates there is coaxial second bull stick (132), be equipped with scrubbing pole (140) below second bull stick (132), the side and the bottom surface of scrubbing pole (140) all are equipped with a plurality of brush strips (150), a plurality of brush strips (150) are laminated with corresponding treatment chamber (111) lateral wall and chamber bottom;
a motor (160) is arranged right above the cross beam (120), and an output shaft of the motor (160) is connected with the first rotating rod (131); a mounting rod (170) is arranged below the cross beam (120), and a rotating wheel (180) is arranged on the mounting rod (170); an eccentric wheel (190) is fixedly sleeved on the second rotating rod (132), and the arc surface of the eccentric wheel (190) is correspondingly matched with the arc surface of the rotating wheel (180);
the motor (160) is positioned in a waterproof box (161), a switch door (162) is arranged on the waterproof box (161), and the waterproof box (161) is positioned on the cross beam (120);
The bottom surface of the first rotating rod (131) is provided with a protruding part (210), the top surface of the second rotating rod (132) is provided with two protruding plates (220), the protruding part (210) is positioned between the two protruding plates (220), and a hinging rod (230) is arranged between the protruding plates in a penetrating way;
The upper part of the side wall of the treatment cavity (111) is provided with a water outlet hole, a filter screen is arranged on the water outlet hole, the cavity wall of the treatment cavity (111) is provided with a sewage draining hole, and a switch is arranged on the sewage draining hole.
2. The sewage treatment device convenient for cleaning dirt according to claim 1, wherein connecting rods (121) are arranged at two ends of the cross beam (120), a channel steel track (112) is arranged on the top surface of the device body (110), and the connecting rods (121) are connected to the track (112).
3. The sewage treatment device convenient for cleaning dirt according to claim 2, wherein the inside of the two connecting rods (121) is provided with a mounting hole (122), and is provided with a screw rod (240) and a guide rod (241) respectively, the screw rod (240) is rotationally connected with the connecting rod (121), the guide rod (241) is fixedly connected with the connecting rod (121), simultaneously, the screw rod (240) and the guide rod (241) both pass through the cross beam (120), and the cross beam (120) is in threaded connection with the screw rod (240) and is in sliding connection with the guide rod (241).
4. A sewage treatment apparatus facilitating the removal of dirt as claimed in claim 3, wherein a second bevel gear (244) is provided at a lower portion of the screw (240), the second bevel gear (244) is engaged with the first bevel gear (243), the first bevel gear (243) is rotated coaxially with the elevating motor (242), and the elevating motor (242) is provided at a lower portion of the installation hole (122).
5. The sewage treatment device for facilitating the cleaning of dirt according to claim 2, wherein a travelling wheel (270) and an auxiliary wheel (280) are arranged at the joint of the track (112) and the connecting rod (121), the travelling wheel (270) is connected with the travelling motor (260) and rotates synchronously, the travelling wheel (270) is arranged in a groove of the track (112), the auxiliary wheel (280) is arranged between the upper part of the track (112) and the connecting rod (121), and the groove is arranged at the connecting rod (121).
6. A sewage treatment apparatus facilitating the removal of scale according to claim 5, wherein the travelling motor (260) is located within a motor housing (261), the motor housing (261) being located on a connecting rod (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011010391.7A CN112058829B (en) | 2020-09-23 | 2020-09-23 | Sewage treatment device convenient for removing dirt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011010391.7A CN112058829B (en) | 2020-09-23 | 2020-09-23 | Sewage treatment device convenient for removing dirt |
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| Publication Number | Publication Date |
|---|---|
| CN112058829A CN112058829A (en) | 2020-12-11 |
| CN112058829B true CN112058829B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011010391.7A Active CN112058829B (en) | 2020-09-23 | 2020-09-23 | Sewage treatment device convenient for removing dirt |
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| CN (1) | CN112058829B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212310342U (en) * | 2020-09-23 | 2021-01-08 | 辽宁工程技术大学 | Sewage treatment device convenient to clear away dirt |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10179353B2 (en) * | 2015-08-19 | 2019-01-15 | Richard Lee Garrison | Spraying apparatus for cleaning carboys and associated methods thereof |
| CN205795237U (en) * | 2016-07-05 | 2016-12-14 | 合肥高美清洁设备有限责任公司 | A kind of scrubbing unit |
| CN207308517U (en) * | 2017-10-12 | 2018-05-04 | 赵绪勇 | A kind of milk cattle cultivating hopper cleaning plant |
| CN109332317A (en) * | 2018-08-29 | 2019-02-15 | 广州倬粤动力新能源有限公司 | Bipolar plates apply cream equipment hopper cleaning method |
| CN110251697A (en) * | 2019-04-25 | 2019-09-20 | 龙泉市起超医疗器械有限公司 | A kind of sub-bottling disinfection equipment |
| CN211071196U (en) * | 2019-07-22 | 2020-07-24 | 福建金化科技有限公司 | Cleaning device for reaction kettle for producing film forming additive |
| CN111687154A (en) * | 2020-06-23 | 2020-09-22 | 宁波市北仑职业高级中学 | Outer wall cleaning device for chamfering platform environment-friendly garbage can and using method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212310342U (en) * | 2020-09-23 | 2021-01-08 | 辽宁工程技术大学 | Sewage treatment device convenient to clear away dirt |
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