CN213824444U - Integrated full-automatic intelligent high-precision dosing equipment - Google Patents
Integrated full-automatic intelligent high-precision dosing equipment Download PDFInfo
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- CN213824444U CN213824444U CN202022443472.8U CN202022443472U CN213824444U CN 213824444 U CN213824444 U CN 213824444U CN 202022443472 U CN202022443472 U CN 202022443472U CN 213824444 U CN213824444 U CN 213824444U
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Abstract
The utility model provides a full-automatic intelligent high accuracy charge equipment of integrated form, which comprises a tank body, the bottom surface of the outer wall top surface fixed connection bottom surface open-ended barrel of the jar body, the top surface of the jar body set up the through-hole and with the inside intercommunication of barrel, the outer wall top surface fixed mounting motor of barrel, the output shaft of motor runs through the outer wall top surface of barrel and is connected with its bearing, the upper end of the lower extreme fixed rotating shaft of motor, the inner wall bottom surface of the jar body is connected to the lower extreme bearing of pivot, outer wall one side of the curved box body of inner wall one side fixed connection of barrel, the top surface opening of box body. User control motor drives pivot antiport and stirs sewage and entering powder medicament, and at this moment, when stirring leaf sewage stirs, this device can rock, and the sector plate can cover the top surface of box body, and then can prevent that the powder medicament of box body from falling out, can prevent simultaneously that the powder medicament from weing and bonding.
Description
Technical Field
The utility model belongs to sewage treatment charge equipment field, specifically speaking are full-automatic intelligent high accuracy charge equipment of integrated form.
Background
Current dosing equipment for sewage treatment, accurate inadequately to the interpolation of powder medicament, the inside humidity of sewage treatment plant is great, adds the on-time through flow valve to the powder medicament, and the powder is attached to inside flow valve easily, and moisture and powder contact in the air for the powder bonds, and the time is up to the end, just can lead to flow valve to block up.
SUMMERY OF THE UTILITY MODEL
The utility model provides a full-automatic intelligent high accuracy charge equipment of integrated form for solve the defect among the prior art.
The utility model discloses a following technical scheme realizes:
an integrated full-automatic intelligent high-precision dosing device comprises a tank body, wherein the top surface of the outer wall of the tank body is fixedly connected with the bottom surface of a barrel body with an opening at the bottom surface, the top surface of the tank body is provided with a through hole and communicated with the interior of the barrel body, the top surface of the outer wall of the barrel body is fixedly provided with a motor, an output shaft of the motor penetrates through the top surface of the outer wall of the barrel body and is connected with a bearing, the lower end of the motor fixes the upper end of a rotating shaft, the lower end of the rotating shaft is connected with the bottom surface of the inner wall of the tank body through the bearing, one side of the inner wall of the barrel body is fixedly connected with one side of the outer wall of an arc-shaped box body, the top surface of the box body is opened, a sector plate is arranged on the periphery of the rotating shaft through the bearing, a movable plate is arranged in the box body, the periphery of the movable plate is in sliding contact fit with the inner wall of the box body, a screw hole is vertically arranged in the box body, the screw rod penetrates through the screw hole and is in threaded fit with the bottom surface of the box body and is connected with the bearing, the lower end of the screw rod is provided with a first gear through a one-way bearing, the periphery of the rotating shaft is provided with a sector gear, the sector gear can be meshed with the first gear, one side of the top surface of the sector gear is fixedly connected with the bottom surface of a sector plate through a connecting rod, the top surface of the sector plate is provided with a spiral groove, the rotating shaft penetrates through a spring, the spring is positioned above the sector plate, the periphery of the rotating shaft is fixedly connected with the upper end of the spring, the lower part of the spring is positioned in the spiral groove and is in contact fit with the spiral groove, the rear part of one side of the inner wall of the barrel is provided with a groove, the rear part of the inner wall of the groove is hinged with the rear part of a clamping plate through a torsional spring, the front part of the clamping plate can be in contact with the sector plate, the inner side of the clamping plate is connected with the inner side of the groove through a connecting rope, the upper part of one side of the outer wall of the tank body is fixedly connected with a liquid inlet pipeline with a stop valve and is communicated with the inner part, the lower part of the outer wall of the tank body, a plurality of stirring blades are fixedly arranged on the periphery of the rotating shaft.
According to the integrated full-automatic intelligent high-precision dosing equipment, one end of a dosing pipeline with a stop valve is fixedly connected to the upper portion of one side of the outer wall of the barrel and is communicated with the inside of the barrel, a first bevel gear is fixedly installed at the lower end of the screw rod, a transverse connecting shaft is arranged in the tank body, the connecting shaft penetrates through the upper portion of the other side of the inner wall of the tank body and is connected with a bearing of the connecting shaft, a second bevel gear is fixedly installed at one end of the connecting shaft, and the second bevel gear is meshed with the first bevel gear.
According to the integrated full-automatic intelligent high-precision dosing equipment, the rotating handle is fixedly installed at the other end of the connecting shaft.
According to the integrated full-automatic intelligent high-precision dosing equipment, the anti-skid lines are formed in the periphery of the rotating handle.
According to the integrated full-automatic intelligent high-precision dosing equipment, the motor is a servo motor, and a motor circuit is connected with the controller.
The integrated full-automatic intelligent high-precision dosing device is characterized in that a flowmeter is fixedly installed in the liquid inlet pipeline, and the flowmeter is connected with the controller through a circuit.
The utility model has the advantages that: the device is used for adding powder medicament for sewage treatment, a user opens a stop valve on a liquid inlet pipeline, the user adds sewage into a tank body through the liquid inlet pipeline, after the sewage addition is completed, the user opens a motor, the user controls the motor to drive a rotating shaft to rotate in a forward direction, the rotating shaft rotates in the forward direction to drive a spring to rotate in the forward direction, the spring rotates in the forward direction to drive a sector plate to rotate in the forward direction, the sector plate rotates in the forward direction through a connecting rod to drive a sector gear to rotate in the forward direction, the sector gear rotates in the forward direction to drive a first gear to rotate in an intermittent reverse direction, the first gear rotates in the intermittent reverse direction to drive a screw to rotate in an intermittent reverse direction, the screw rotates in the intermittent reverse direction to drive an intermittent movable plate to move upwards, the sector plate is separated from the box body, then the powder medicament above the movable plate is ejected upwards, the sector plate can scrape the ejected powder medicament above the box body out, and then the ejected powder medicament drops into the tank body and is mixed with the sewage, the user controls the motor to drive the rotating shaft to rotate reversely, the rotating shaft rotates reversely to drive the spring to rotate reversely, the spring rotates reversely to drive the sector plate to rotate reversely, after the sector plate is contacted with the clamping plate, the sector plate cannot rotate reversely continuously, the spring rotates continuously to compress the spring, the lower part of the spring is separated from the spiral groove, the rotating shaft rotates reversely to drive each stirring blade to stir sewage, so that the sewage is fully mixed with the powder medicament, after the sewage treatment is finished, the user opens a stop valve on the liquid outlet pipeline, and the sewage is discharged from the liquid outlet pipeline, compared with the prior device, firstly, the user controls the motor to drive the rotating shaft to rotate forwardly to realize feeding, controls the feeding amount by controlling the number of rotation turns of the output shaft of the motor, secondly, the user controls the motor to drive the rotating shaft to rotate reversely to stir the sewage and the powder medicament, at this moment, when stirring leaf sewage stirs, this device can rock, and the sector plate can cover the top surface of box body, and then can prevent that the powder medicament of box body from falling out, can prevent simultaneously that the powder medicament from weing and bonding.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is a view in the direction A of FIG. 1; FIG. 3 is an enlarged view of section I of FIG. 2; fig. 4 is a partial enlarged view of ii of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An integrated full-automatic intelligent high-precision dosing device comprises a tank body 1, wherein the top surface of the outer wall of the tank body 1 is fixedly connected with the bottom surface of a barrel body 2 with an opening at the bottom surface, a plurality of anti-skidding supporting legs are fixedly installed on the bottom surface of the outer wall of the tank body 1, the top surface of the tank body 1 is provided with a through hole and communicated with the interior of the barrel body 2, the diameter of the through hole is equal to that of the inner wall of the barrel body 2, a motor 3 is fixedly installed on the top surface of the outer wall of the barrel body 2, an output shaft of the motor 3 penetrates through the top surface of the outer wall of the barrel body 2 and is connected with a bearing of the outer wall, the lower end of the motor 3 fixes the upper end of a rotating shaft 4, the lower end of the rotating shaft 4 is connected with the bottom surface of the inner wall of the tank body 1 through a bearing, one side of the inner wall of the barrel body 2 is fixedly connected with one side of the outer wall of an arc-shaped box body 5, the opening of the box body 5 is opened, a sector plate 6 is installed on the periphery of the rotating shaft 4 through a bearing, the sector plate is flush with the top surface of the box body 5, a moving plate 7 is arranged in the box body 5, the periphery of the moving plate 7 is in sliding contact fit with the inner wall of the box body 5, a screw hole 8 is vertically formed in the top surface of the moving plate 7, a screw rod 9 is arranged in the box body 5, the screw rod 9 penetrates through the screw hole 8 and is in threaded fit with the screw hole 8, the forward rotating direction is the overlooking clockwise rotating direction, the reverse rotating direction is the overlooking anticlockwise rotating direction, the screw rod 8 rotates reversely to drive the moving plate 7 to move upwards, the screw rod 9 penetrates through the bottom surface of the inner wall of the box body 5 and is connected with a bearing of the inner wall of the box body 5, a first gear 10 is installed at the lower end of the screw rod 9 through a one-way bearing, a sector gear 11 is installed on the periphery of the rotating shaft 4 and can be meshed with the first gear 10, the radian of the sector gear 11 is =360 ° -the radian of the box body 5-the radian of the sector 6, so that when the sector 6 is completely separated from the box body 5, the sector 11 can drive the first gear 10 to rotate, the moving plate 7 moves upwards to prevent the sector plate 7 and the moving plate 7 from extruding the powder medicament, so that the density of the powder medicament is changed, the addition of the medicament is influenced, one side of the top surface of the sector gear 11 is fixedly connected with the bottom surface of the sector plate 6 through a connecting rod, a spiral groove 12 is formed in the top surface of the sector plate 6, the rotating shaft 4 penetrates through a spring 13, the spring 13 is positioned above the sector plate 6, the periphery of the rotating shaft 4 is fixedly connected with the upper end of the spring 13, the spring 13 is in a compressed state, the elastic elasticity of the spring 13 enables enough friction force to be formed between the spring 13 and the spiral groove 12, the spring 13 can drive the sector plate 6 to rotate reversely, the lower portion of the spring 13 is positioned in the spiral groove 12 and is in contact fit with the spiral groove, when the spring 13 rotates forwards, the lower end of the spring 13 is in contact and clamping with one side of the inner wall of the spiral groove 12, a groove 14 is formed in the rear portion of one side of the inner wall of the barrel 2, the back of the inner wall of the groove 14 is hinged with the back of the clamping plate 15 through a torsion spring, the torsion spring provides a forward rotating force for the clamping plate 15, the sector plate 6 rotates forward and can be in contact with the clamping plate 15, the clamping plate 15 rotates reversely and enters the groove 14, the sector plate 6 rotates forward and can pass through the clamping plate 15, on the contrary, the sector plate 6 rotates reversely and can be in contact with the front of the clamping plate 15 and cannot pass through the clamping plate 15, the front of the clamping plate 15 can be in contact with the sector plate 6, the inner side of the clamping plate 15 is connected with the inner side of the groove 14 through a connecting rope 16, a liquid inlet pipeline 17 with a stop valve is fixedly connected to the upper part of one side of the outer wall of the tank body 1 and is communicated with the inner part, a liquid outlet pipeline 18 with the stop valve is fixedly connected to the lower part of the other side of the outer wall of the tank body 1 and is communicated with the inner part, and a plurality of stirring blades 19 are fixedly installed on the periphery of the rotating shaft 4. The device is used for adding powder medicament for sewage treatment, a user opens a stop valve on a liquid inlet pipeline 17, the user adds sewage into a tank body 1 through the liquid inlet pipeline 17, after the sewage addition is finished, the user opens a motor 3, the user controls the motor 3 to drive a rotating shaft 4 to rotate in the forward direction, the rotating shaft 4 rotates in the forward direction to drive a spring 13 to rotate in the forward direction, the spring 13 rotates in the forward direction to drive a sector plate 6 to rotate in the forward direction, the sector plate 6 rotates in the forward direction to drive a sector gear 11 to rotate in the forward direction through a connecting rod, the sector gear 11 rotates in the forward direction to drive a first gear 10 to rotate in an intermittent reverse direction, the first gear 10 rotates in the intermittent reverse direction to drive a screw 9 to rotate in an intermittent reverse direction, the screw 9 rotates in the intermittent reverse direction to drive a movable plate 7 to move in an intermittent direction, the sector plate 6 is separated from a box body 5 and then pushes the powder medicament above the movable plate 7 upwards, the sector plate 6 can scrape the pushed out powder medicament above the box body 5, then the sewage falls into the tank body 1 and is mixed with the sewage, a user controls the motor 3 to drive the rotating shaft 4 to rotate reversely, the rotating shaft 4 rotates reversely, the screw 4 rotates reversely to drive the spring 13 to rotate reversely, the spring 13 rotates reversely to drive the sector plate 6 to rotate reversely, after the sector plate 6 is contacted with the clamping plate 15, the sector plate 6 cannot rotate continuously and reversely, the spring 13 rotates continuously and reversely to compress the spring 13, the lower part of the spring 13 is separated from the spiral groove 12, the rotating shaft 4 rotates reversely to drive each stirring blade 19 to stir the sewage, so that the sewage is fully mixed with the powder medicament, after the sewage treatment is finished, the user opens a stop valve on the liquid outlet pipeline 18, and the sewage is discharged from the liquid outlet pipeline 18, compared with the prior device, firstly, the user controls the motor 3 to drive the rotating shaft 4 to rotate forwardly to realize feeding, and controls the feeding amount by controlling the number of rotating turns of the output shaft of the motor 3, secondly, user control motor 3 drives 4 antiport of pivot and stirs sewage and entering powder medicament, and at this moment, when stirring 19 sewage of stirring leaf stirs, this device can rock, and sector plate 7 can cover the top surface of box body 6, and then can prevent that the powder medicament of box body 6 from falling out, can prevent simultaneously that the powder medicament from weing the bonding.
Specifically, as shown in fig. 1, one end of a drug adding pipeline 20 with a stop valve is fixedly connected to an upper portion of one side of an outer wall of the cylinder 2 and communicated with the inside of the cylinder 2, a first bevel gear 21 is fixedly installed at a lower end of the screw 9, a transverse connecting shaft 22 is installed in the tank 1, the connecting shaft 22 penetrates through an upper portion of the other side of the inner wall of the tank 1 and is connected with a bearing of the upper portion, a second bevel gear 23 is fixedly installed at one end of the connecting shaft 22, and the second bevel gear 23 is meshed with the first bevel gear 21. The user rotates even axle 22, and then drive screw rod 9 forward rotation through first bevel gear 21 and second bevel gear 23, screw rod 8 forward rotation can make movable plate 7 remove downwards, at this moment, sector plate 6 covers the top surface of box body 5, sector gear 11 does not mesh with first gear 10, the user drives pivot 4 forward rotation through motor 3, and then make sector plate 6 forward rotation and the separation of 5 top surfaces of box body, the user closes motor 3, the user opens the stop valve on the charge pipeline 20, add the medicament in to box body 5 through charge pipeline 20, this device can carry out the medicament interpolation in to box body 5, it is not enough to prevent that the medicament is in the box body 5.
Specifically, as shown in fig. 1, a rotating handle 24 is fixedly mounted at the other end of the connecting shaft 22 according to the embodiment. The user drives the connecting shaft 22 to rotate by rotating the rotating handle 24, the rotating handle 24 provides an acting point for the user, the user can rotate the connecting shaft 22 conveniently, and the use is more convenient.
Further, as shown in fig. 1, the outer circumference of the rotating handle 24 according to the present embodiment is provided with anti-slip threads. The anti-slip threads can increase the friction between the hand of the user and the periphery of the rotating handle 24 and prevent the hand of the user from slipping when the rotating handle 24 is rotated.
Furthermore, as shown in fig. 1, the motor 3 described in this embodiment is a servo motor, the circuit of the motor 3 is connected to a controller, and the controller is fixedly installed on the top surface of the outer wall of the tank body 1. The user can control motor 3 through the controller, compares with the motor of other types, and servo motor's position precision is very accurate, can turn into torque and rotational speed with the drive control object with voltage signal to servo motor can respond to and make the adjustment fast after receiving input signal, is convenient for control the volume of adding medicine.
Furthermore, as shown in fig. 1, a flow meter is fixedly installed in the liquid inlet pipe 17 according to the embodiment, and the flow meter is electrically connected with the controller. The flowmeter can detect the sewage amount added into the tank body 1, and then sends the detected information to the controller, and then the controller controls the motor 3, and the medicament is adjusted according to the sewage amount.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a full-automatic intelligent high accuracy medicine equipment of integrated form, includes jar body (1), its characterized in that: the top surface of the outer wall of the tank body (1) is fixedly connected with the bottom surface of a barrel body (2) with an opening at the bottom surface, the top surface of the tank body (1) is provided with a through hole and is communicated with the inside of the barrel body (2), the top surface of the outer wall of the barrel body (2) is fixedly provided with a motor (3), an output shaft of the motor (3) penetrates through the top surface of the outer wall of the barrel body (2) and is in bearing connection with the top surface of the outer wall of the barrel body, the lower end of the motor (3) fixes the upper end of a rotating shaft (4), the lower end bearing of the rotating shaft (4) is connected with the bottom surface of the inner wall of the tank body (1), one side of the inner wall of the barrel body (2) is fixedly connected with one side of the outer wall of an arc-shaped box body (5), the top surface of the box body (5) is provided with an opening, the periphery of the rotating shaft (4) is provided with a sector plate (6) through a bearing, a movable plate (7) is arranged in the box body (5), the periphery of the movable plate (7) is in sliding contact fit with the inner wall of the box body (5), and a screw hole (8) is vertically arranged on the top surface of the movable plate (7), a screw rod (9) is arranged in the box body (5), the screw rod (9) penetrates through the screw hole (8) and is in threaded fit with the screw hole, the screw rod (9) penetrates through the bottom surface of the inner wall of the box body (5) and is in bearing connection with the inner wall, a first gear (10) is installed at the lower end of the screw rod (9) through a one-way bearing, a sector gear (11) is installed on the peripheral bearing of the rotating shaft (4), the sector gear (11) can be meshed with the first gear (10), one side of the top surface of the sector gear (11) is fixedly connected with the bottom surface of the sector plate (6) through a connecting rod, a spiral groove (12) is formed in the top surface of the sector plate (6), the rotating shaft (4) penetrates through a spring (13), the spring (13) is located above the sector plate (6), the periphery of the rotating shaft (4) is fixedly connected with the upper end of the spring (13), the lower portion of the spring (13) is located in the spiral groove (12) and is in contact fit with the spiral groove, a groove (14) is formed in the rear portion of one side of the inner wall of the barrel body (2), the back of the inner wall of the groove (14) is hinged with the back of the clamping plate (15) through a torsion spring, the front of the clamping plate (15) can be contacted with the sector plate (6), the inner side of the clamping plate (15) is connected with the inner side of the groove (14) through a connecting rope (16), the upper part of one side of the outer wall of the tank body (1) is fixedly connected with a liquid inlet pipeline (17) with a stop valve and communicated with the inside, the lower part of the other side of the outer wall of the tank body (1) is fixedly connected with a liquid outlet pipeline (18) with a stop valve and communicated with the inside, and a plurality of stirring blades (19) are fixedly installed on the periphery of the rotating shaft (4).
2. The integrated full-automatic intelligent high-precision dosing device according to claim 1, characterized in that: the upper part of one side of the outer wall of the barrel body (2) is fixedly connected with one end of a dosing pipeline (20) with a stop valve and is communicated with the inside of the barrel body, a first bevel gear (21) is fixedly installed at the lower end of the screw rod (9), a transverse connecting shaft (22) is arranged in the tank body (1), the connecting shaft (22) penetrates through the upper part of the other side of the inner wall of the tank body (1) and is connected with a bearing of the upper part, a second bevel gear (23) is fixedly installed at one end of the connecting shaft (22), and the second bevel gear (23) is meshed with the first bevel gear.
3. The integrated full-automatic intelligent high-precision dosing device according to claim 2, characterized in that: the other end of the connecting shaft (22) is fixedly provided with a rotating handle (24).
4. The integrated full-automatic intelligent high-precision dosing device according to claim 3, characterized in that: the periphery of the rotating handle (24) is provided with anti-skid grains.
5. The integrated full-automatic intelligent high-precision dosing device according to claim 1, characterized in that: the motor (3) is a servo motor, and the circuit of the motor (3) is connected with the controller.
6. The integrated full-automatic intelligent high-precision dosing device according to claim 5, characterized in that: the liquid inlet pipeline (17) is internally and fixedly provided with a flowmeter, and the flowmeter is connected with a controller through a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022443472.8U CN213824444U (en) | 2020-10-29 | 2020-10-29 | Integrated full-automatic intelligent high-precision dosing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022443472.8U CN213824444U (en) | 2020-10-29 | 2020-10-29 | Integrated full-automatic intelligent high-precision dosing equipment |
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| Publication Number | Publication Date |
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| CN213824444U true CN213824444U (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022443472.8U Active CN213824444U (en) | 2020-10-29 | 2020-10-29 | Integrated full-automatic intelligent high-precision dosing equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398614A (en) * | 2021-08-19 | 2021-09-17 | 东营威联化学有限公司 | Extraction distillation device for aromatic hydrocarbon production |
| CN114105273A (en) * | 2021-12-16 | 2022-03-01 | 朗盛(山东)环境科技有限公司 | Sewage treatment device with automatic pouring and dosing functions |
| CN114132978A (en) * | 2021-12-06 | 2022-03-04 | 山东方大工程有限责任公司 | Mechanical stirring clarification tank for mine water treatment |
| CN116267774A (en) * | 2023-02-27 | 2023-06-23 | 江西省农业技术推广中心 | Water quality improving device for aquaculture |
-
2020
- 2020-10-29 CN CN202022443472.8U patent/CN213824444U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398614A (en) * | 2021-08-19 | 2021-09-17 | 东营威联化学有限公司 | Extraction distillation device for aromatic hydrocarbon production |
| CN113398614B (en) * | 2021-08-19 | 2022-03-08 | 东营威联化学有限公司 | Extraction distillation device for aromatic hydrocarbon production |
| CN114132978A (en) * | 2021-12-06 | 2022-03-04 | 山东方大工程有限责任公司 | Mechanical stirring clarification tank for mine water treatment |
| CN114105273A (en) * | 2021-12-16 | 2022-03-01 | 朗盛(山东)环境科技有限公司 | Sewage treatment device with automatic pouring and dosing functions |
| CN114105273B (en) * | 2021-12-16 | 2023-12-12 | 朗盛(山东)环境科技有限公司 | Sewage treatment device with automatic dumping and dosing functions |
| CN116267774A (en) * | 2023-02-27 | 2023-06-23 | 江西省农业技术推广中心 | Water quality improving device for aquaculture |
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