CN114477549B - Energy-concerving and environment-protective sewage treatment plant - Google Patents
Energy-concerving and environment-protective sewage treatment plant Download PDFInfo
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- CN114477549B CN114477549B CN202210155805.8A CN202210155805A CN114477549B CN 114477549 B CN114477549 B CN 114477549B CN 202210155805 A CN202210155805 A CN 202210155805A CN 114477549 B CN114477549 B CN 114477549B
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- ring seat
- sewage
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- impurity removing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to an energy-saving and environment-friendly sewage treatment device, which comprises a treatment box, a water inlet, an adding tank and a water outlet, wherein the water inlet and the water outlet are arranged on the treatment box, a sealing plug is arranged in the water outlet, a rhombic cavity is formed in the treatment box, the adding tank is arranged on the treatment box, and the energy-saving and environment-friendly sewage treatment device also comprises: the mounting rack is movably arranged in the cavity; the power element is arranged in the treatment box, and the output end of the power element is connected with the mounting frame; the ring seat is movably arranged in the cavity and is connected with the mounting frame; the impurity removing modules are arranged in a plurality of groups and are annularly distributed in the ring seat; and the stirring modules are also arranged in a plurality of groups and are annularly distributed on the annular seat. The whole device has high automation degree, can realize the separation of sewage and impurities, the unified collection of the impurities and the stirring work of the mixed liquid of the sewage and the flocculating agent by a single driving mode of a stepping motor, achieves the effects of environmental protection and energy saving, and reduces the input amount of labor force.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an energy-saving and environment-friendly sewage treatment device.
Background
The sewage treatment is a process for making sewage meet the water quality requirement of reuse and purifying the sewage, the water is unlimited and limited, the water on the earth is not used by people, but the water can be used by people by less than one tenth, the human is developing and naturally deteriorating, people pay more and more attention to the protection of resources, the water resource is one item which is not ignored, and the treatment and the reuse of the sewage are gradually on the way.
Most of the working principles of the existing sewage treatment equipment are that the screen is directly adopted to separate impurities in the sewage, and although the separation effect is high, the existing sewage treatment equipment still has the defect.
The existing sewage treatment equipment utilizes a plurality of power elements to realize different work contents, consumes electric energy very much, and impurities separated from sewage through a screen need to be cleaned manually by later-stage workers, otherwise, meshes of the screen are easy to block, and the subsequent sewage treatment effect is influenced.
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly sewage treatment device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an energy-concerving and environment-protective sewage treatment plant, is including handling case, water inlet, interpolation jar and outlet, water inlet and outlet all set up on handling the case, are equipped with in the outlet and seal up the jam, and it has the rhombus cavity to handle the incasement shaping, and add the jar setting on handling the case, handle the through-hole that is equipped with on the case and adds jar intercommunication, add and be equipped with the controller on the jar, still include:
the mounting rack is movably arranged in the cavity;
the power element is arranged in the treatment box, and the output end of the power element is connected with the mounting frame;
the ring seat is movably arranged in the cavity and is connected with the mounting frame;
the impurity removing modules are arranged in groups in a ring seat in a ring mode and used for cleaning impurities in the sewage; and
the stirring modules are also distributed on the ring seat in a plurality of groups and are used for stirring the mixed liquid of the sewage and the flocculating agent.
The application further adopts the technical scheme that: the impurity removing module comprises:
the screen is movably arranged on the ring seat and is elastically connected with the ring seat, one section of the screen is in sliding fit with the inner wall of the cavity, and a plurality of bulges are arranged on the inner wall of the treatment box;
one end of the impurity removing shovel is hinged with the ring seat, a torsional spring is arranged at the hinged position, the other end of the impurity removing shovel is in clearance fit with the screen mesh, and the impurity removing shovel can plug an impurity removing opening formed in the ring seat; and
the first magnet is arranged on the impurity removing shovel, and the second magnet which is in encounter and repulsion with the first magnet is arranged on the processing box.
The application further adopts the technical scheme that: one end of the screen is provided with a resistance reducing piece for reducing the frictional resistance between the screen and the inner wall of the cavity.
The application further adopts the technical scheme that: a plurality of crushing balls are arranged in the ring seat.
This application still further technical scheme: the stirring module comprises a sliding rod, a stirring blade, an electromagnet, a sliding plate and a sensing element;
the movable setting of slide bar is on the ring seat, and the one end movable mounting of stirring leaf is on the slide bar, and the slide bar activity sets up in the fashioned monitoring chamber in the slide bar and through elastic webbing and stirring leaf connection, all is equipped with the electro-magnet on the opposite face of stirring leaf and slide bar, and sensing element sets up between slide and slide bar and steerable electro-magnet open and close.
This application still further technical scheme: the sewage treatment device also comprises a valve module which is arranged between the ring seat and the through hole and used for controlling the opening and closing of the through hole.
The application further adopts the technical scheme that: the valve module comprises a valve plate, a sliding seat, a winding disc and a driving part;
the sliding seat activity sets up and is handling incasement and both elastic connection, the activity of rolling dish sets up on the sliding seat and is equipped with the torsional spring between the two, and the rolling dish is located the ring seat, and the quantity of drive division is one at least and sets up on the inner wall of ring seat, and the rolling dish is located the removal route of drive division, and the valve plate activity sets up on handling the case and the shaping has the relief hole on the valve plate, the valve plate with handle case elastic connection, the through-hole is located the removal route of relief hole, the one end and the rolling dish of valve plate pass through the belt and connect.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following beneficial effects:
according to the embodiment of the invention, the rhombic cavities are arranged in the treatment box, and the continuous change of the angle of the screen cloth when the screen cloth moves along with the ring seat is utilized, so that the separation of impurities in sewage and the uniform collection of the impurities can be realized, the automation degree of the whole device is high, the separation of the sewage and the impurities, the uniform collection of the impurities and the stirring work of a sewage and flocculant mixed liquid can be realized in a single driving mode of a stepping motor, the effects of environmental protection and energy saving are achieved, and the input of labor force is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an energy-saving and environment-friendly sewage treatment device in an embodiment of the invention;
FIG. 2 is an enlarged schematic structural view of a point A in the energy-saving and environment-friendly sewage treatment device in the embodiment of the invention;
FIG. 3 is a schematic structural diagram of a connecting position of a sliding rod and a stirring blade in the energy-saving and environment-friendly sewage treatment device in the embodiment of the invention;
FIG. 4 is an assembly view of a sliding rod and a stirring vane in the energy-saving and environment-friendly sewage treatment device in the embodiment of the invention;
FIG. 5 is an enlarged schematic structural view of a portion B of the energy-saving and environment-friendly sewage treatment device in the embodiment of the invention.
The reference numbers in the schematic drawings illustrate:
1-treatment box, 2-water inlet, 3-addition tank, 4-controller, 5-through hole, 6-water outlet, 7-seal plug, 8-ring seat, 9-stepping motor, 10-crushing ball, 11-sliding rod, 12-stirring blade, 13-lug, 14-screen, 15-ball, 16-mounting rack, 17-trash removal shovel, 18-first magnet, 19-second magnet, 20-electromagnet, 21-elastic band, 22-sliding plate, 23-pressure sensor, 24-valve plate, 25-discharge hole, 26-winding disc, 27-sliding seat and 28-driving part.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.
Referring to fig. 1-5, in an embodiment of the present application, an energy-saving and environment-friendly sewage treatment apparatus includes a treatment tank 1, a water inlet 2, an adding tank 3, and a water outlet 6, wherein the water inlet 2 and the water outlet 6 are both disposed on the treatment tank 1, a sealing plug 7 is disposed in the water outlet 6, a rhombic cavity is formed in the treatment tank 1, the adding tank 3 is disposed on the treatment tank 1, a through hole 5 communicating with the adding tank 3 is disposed on the treatment tank 1, and a controller 4 is disposed on the adding tank 3, and further includes:
the mounting frame 16 is movably arranged in the cavity;
the power element is arranged in the treatment box 1, and the output end of the power element is connected with the mounting frame 16;
the ring seat 8 is movably arranged in the cavity and is connected with the mounting frame 16;
the impurity removing modules are arranged in the ring seat 8 in groups and are used for cleaning impurities in the sewage; and
the stirring modules are also distributed on the ring seat 8 in a plurality of groups and are used for stirring the mixed liquid of the sewage and the flocculating agent.
It should be noted that the power element may be a stepping motor 9 or a servo motor, in this embodiment, the power element is preferably a stepping motor 9, the stepping motor 9 is disposed on the processing box 1, and the output end of the stepping motor is connected with the mounting frame 16, and the specific type of the power element can be optimally selected according to actual conditions, and is not limited in this embodiment.
In this embodiment, for example, the impurity removing module includes:
the screen 14 is movably arranged on the ring seat 8 and is elastically connected with the ring seat, one section of the screen 14 is in sliding fit with the inner wall of the cavity, and a plurality of convex parts 13 are arranged on the inner wall of the treatment box 1;
one end of the impurity removing shovel 17 is hinged with the ring seat 8, a torsion spring is arranged at the hinged position, the other end of the impurity removing shovel 17 is in clearance fit with the screen 14, and the impurity removing shovel 17 can plug an impurity removing opening formed in the ring seat 8; and
the first magnet 18 is arranged on the impurity removing shovel 17, and the second magnet 19 which meets and repels the first magnet 18 is arranged on the processing box 1.
It should be added that one end of the screen 14 is provided with a resistance-reducing member for reducing the frictional resistance between the screen 14 and the inner wall of the cavity.
The resistance reducing member can be a ball 15 or a roller, and in the embodiment, the resistance reducing member is preferably a ball 15, and the ball 15 is slidably embedded in one end of the screen 14.
In addition, a plurality of crushing balls 10 are arranged in the ring seat 8.
In practical application, sewage is discharged into the treatment tank 1 along the water inlet 2 and is accumulated at the bottom of the treatment tank 1, the installation frame 16 and the ring seat 8 are driven to rotate by the rotation of the stepping motor 9, and the flocculating agent is added into the sewage along the through hole 5 by the adding tank 3, so that the impurities in the sewage are precipitated, in the process that the filter screen passes through the sewage, the impurities in the sewage can be fished out, and in the process that the screen 14 passes through the bulge part 13, the screen 14 is driven to reciprocate, thereby allowing the foreign materials on the mesh screen 14 to continuously move, preventing the foreign materials on the mesh screen 14 from blocking the meshes of the mesh screen 14, when the sieve screen 14 follows the ring seat 8, moving to a set angle with the treatment tank 1, at this time the sieve screen 14 is inclined, and the foreign materials slide down into the trash removal shovel 17 by its gravity, and when meeting between the first magnet 18 and the second magnet 19, under the action of repulsive force between the two, the impurity removing shovel 17 rotates along the hinged position, impurities in the impurity removing shovel 17 are poured into the ring seat 8, in addition, in the process of rotating the ring seat 8, the crushing balls 10 inside the ring seat 8 continuously collide with each other, so that the impurities collected inside the ring seat 8 can be crushed, secondary processing on the impurities by workers is replaced, the later-stage workers can conveniently process the impurities, in addition, in the rotating process of the ring seat 8, the mixed liquid of the flocculating agent and the sewage can be stirred by the stirring module, so that the flocculating agent and the sewage are fully mixed, the automation degree of the whole device is high, through the single driven mode of a step motor 9, can realize the separation of sewage and impurity, the unified collection of impurity and the stirring work of sewage and flocculating agent mixed liquid, reach the effect of environmental protection and energy saving, and reduced labour's input.
Referring to fig. 1, 3 and 4, as another preferred embodiment of the present application, the stirring module includes a sliding rod 11, a stirring blade 12, an electromagnet 20, a sliding plate 22 and a sensing element;
the sliding rod 11 is movably arranged on the ring seat 8, one end of the stirring blade 12 is movably arranged on the sliding rod 11, the sliding rod is movably arranged in a monitoring cavity formed in the sliding rod 11 and is connected with the stirring blade 12 through an elastic belt 21, electromagnets 20 are arranged on the opposite surfaces of the stirring blade 12 and the sliding rod 11, and a sensing element is arranged between the sliding plate 22 and the sliding rod 11 and can control the opening and closing of the electromagnets 20.
It should be particularly noted that in this embodiment, the sensing element may be an infrared distance measuring sensor or a laser distance measuring sensor, in this embodiment, the sensing element is preferably a pressure sensor 23, a specific model of the pressure sensor 23 is not specifically limited, and the pressure sensor 23 is electrically connected to the controller 4.
In the rotating process of the ring seat 8, the sliding rod 11 on the lower side of the ring seat 8 drives the stirring blade 12 to extend out of the ring seat 8 under the action of gravity, and when the stirring blade 12 is located in sewage and moves, under the action of resistance of the sewage, the stirring blade 12 rotates relative to the sliding rod 11, at the moment, the sliding plate 22 is driven under the action of the elastic belt 21 to extrude the pressure sensor 23, when the rotating angle of the stirring blade 12 reaches a set threshold value, the pressure value received by the pressure sensor 23 also reaches the expected value at the moment, the pressure sensor 23 feeds back to the controller 4 and controls the electromagnet 20 to be electrified and repelled through the controller 4, so that the stirring blade 12 is reset, the stirring blade 12 is enabled to repeatedly swing relative to the sliding rod 11 in the process of contacting the sewage, the flowing mode of the sewage is diversified, the stirring work of the mixed liquid of the sewage and the flocculating agent is realized, and compared with the traditional stirring blade 12 with a fixed position, the stirring mode effect of the device is better.
Referring to fig. 1 and 5, as another preferred embodiment of the present application, the sewage treatment apparatus further includes a valve module disposed between the ring seat 8 and the through hole 5, for controlling the opening and closing of the through hole 5.
In the present embodiment, the valve module includes a valve plate 24, a sliding seat 27, a winding disc 26, and a driving portion 28;
the sliding seat 27 is movably arranged in the processing box 1 and elastically connected with the sliding seat 27, the winding disc 26 is movably arranged on the sliding seat 27, a torsion spring is arranged between the winding disc 26 and the sliding seat 27, the winding disc 26 is located in the ring seat 8, the number of the driving portions 28 is at least one, the winding disc 26 is arranged on the inner wall of the ring seat 8, the valve plate 24 is movably arranged on the processing box 1, a discharge hole 25 is formed in the valve plate 24, the valve plate 24 is elastically connected with the processing box 1, the through hole 5 is formed in the moving path of the discharge hole 25, and one end of the valve plate 24 is connected with the winding disc 26 through a belt.
It should be noted that, in this embodiment, the position of the discharge port is not limited to the above-mentioned mechanical structure, and a linear motor or an electric cylinder may be used instead, and is not limited in this embodiment.
Drive the continuous pivoted in-process of ring seat 8 at step motor 9, drive portion 28 intermittent type formula meets with rolling dish 26, under the frictional resistance effect between drive portion 28 and rolling dish 26, drive rolling dish 26 and rotate and carry out the rolling work to the belt, this in-process can drive valve plate 24 and remove, make relief hole 25 and through-hole 5's position coincidence, thereby make in the interpolation jar 3 interior flocculating agent intermittent type formula discharge into in the treatment box 1 with sewage mixture, thereby subside the impurity in the sewage, whole process adopts a step motor 9 driven mode, and utilize the effect of frictional resistance between rolling dish 26 and the drive portion 28, can also replace artifical manual interpolation flocculating agent when having realized carrying out impurity treatment to sewage, energy-concerving and environment-protective effect has been reached.
The working principle of the application is as follows:
sewage is discharged into the treatment box 1 along the water inlet 2 and accumulated at the bottom of the treatment box 1, the mounting frame 16 and the ring seat 8 are driven to rotate through the rotation of the stepping motor 9, the driving part 28 meets the winding disc 26 intermittently, the winding disc 26 is driven to rotate and wind a belt under the action of frictional resistance between the driving part 28 and the winding disc 26, the valve plate 24 can be driven to move in the process, the discharge hole 25 is coincided with the through hole 5, so that the flocculating agent in the adding tank 3 is discharged into the treatment box 1 intermittently to be mixed with the sewage, and impurities in the sewage are settled, the impurities in the sewage can be fished out in the process that a filter screen passes through the sewage, the filter screen 14 is driven to reciprocate in the process that the filter screen 14 passes through the bulge part 13, so that the impurities on the filter screen 14 continuously move, and the impurities on the filter screen 14 are prevented from blocking meshes of the filter screen 14, when the screen 14 moves to a position with a set angle with the treatment box 1 along the ring seat 8, the screen 14 inclines at the moment, impurities slide down into the impurity removing shovel 17 under the action of gravity, and when the first magnet 18 and the second magnet 19 meet, the impurity removing shovel 17 rotates along the hinged position under the action of repulsive force between the first magnet and the second magnet, the impurities in the impurity removing shovel 17 are poured into the ring seat 8, and in the rotating process of the ring seat 8, the crushing balls 10 in the ring seat 8 continuously collide with each other, so that the impurities collected in the ring seat 8 can be crushed, secondary processing of the impurities by workers is replaced, the processing work of the impurities by the workers in the later period is facilitated, in the rotating process of the ring seat 8, the sliding rod 11 on the lower side of the ring seat 8 drives the stirring blades 12 to extend out of the ring seat 8 under the action of gravity, and when the stirring blades 12 are located in sewage and move, under the resistance effect of sewage, make stirring leaf 12 rotate relative slide bar 11, drive slide 22 extrusion pressure sensor 23 under the effect of elastic webbing 21 this moment, when the turned angle of stirring leaf 12 reached and set for the threshold value, the pressure value that pressure sensor 23 received has also reached the expected value this moment, pressure sensor 23 feeds back to controller 4 and controls 20 circular telegrams of electro-magnet through controller 4 and repel each other, thereby make stirring leaf 12 reset, lead to stirring leaf 12 at the in-process with sewage contact, relative slide bar 11 swings repeatedly, make the flow pattern of sewage diversified, thereby the stirring work to sewage and flocculating agent mixed liquid has been realized, whole device degree of automation is high, through the single driven mode of a step motor 9, can realize the separation of sewage and impurity, the unified collection of impurity and the stirring work of sewage and flocculating agent mixed liquid, environmental protection and energy saving effects have been reached, and the input of labour has been reduced.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides an energy-concerving and environment-protective sewage treatment plant, is including handling case, water inlet, interpolation jar and outlet, water inlet and outlet all set up on handling the case, are equipped with in the outlet and seal up the jam, and it has the rhombus cavity to handle the incasement shaping, and add the jar setting on handling the case, handle the case and be equipped with and add the through-hole that jar communicates, add and be equipped with the controller on the jar, its characterized in that still includes:
the mounting rack is movably arranged in the cavity;
the power element is arranged in the treatment box, and the output end of the power element is connected with the mounting frame;
the ring seat is movably arranged in the cavity and is connected with the mounting frame;
the impurity removing modules are arranged in groups in a ring seat in a ring mode and used for cleaning impurities in the sewage; the stirring modules are also distributed on the ring seat in a plurality of groups in a ring manner and are used for stirring the mixed liquid of the sewage and the flocculating agent;
the impurity removing module comprises:
the screen is movably arranged on the ring seat and is elastically connected with the ring seat, one section of the screen is in sliding fit with the inner wall of the cavity, and a plurality of bulges are arranged on the inner wall of the treatment box;
one end of the impurity removing shovel is hinged with the ring seat, a torsional spring is arranged at the hinged position, the other end of the impurity removing shovel is in clearance fit with the screen mesh, and the impurity removing shovel can plug an impurity removing opening formed in the ring seat; the first magnet is arranged on the impurity removing shovel, and the second magnet which meets and repels the first magnet is arranged on the processing box;
one end of the screen is provided with a resistance reducing piece for reducing the frictional resistance between the screen and the inner wall of the cavity;
a plurality of crushing balls are arranged in the ring seat.
2. The energy-saving and environment-friendly sewage treatment device according to claim 1, wherein the stirring module comprises a sliding rod, a stirring blade, an electromagnet, a sliding plate and a sensing element;
the movable setting of slide bar is on the ring seat, and the one end movable mounting of stirring leaf is on the slide bar, and the slide bar activity sets up in the fashioned monitoring chamber in the slide bar and through elastic webbing and stirring leaf connection, all is equipped with the electro-magnet on the opposite face of stirring leaf and slide bar, and sensing element sets up between slide and slide bar and steerable electro-magnet open and close.
3. The energy-saving and environment-friendly sewage treatment device according to claim 1, further comprising a valve module arranged between the ring seat and the through hole for controlling the opening and closing of the through hole.
4. The energy-saving and environment-friendly sewage treatment device according to claim 3, wherein the valve module comprises a valve plate, a sliding seat, a winding disc and a driving part;
the sliding seat activity sets up and is handling incasement and both elastic connection, the activity of rolling dish sets up on the sliding seat and is equipped with the torsional spring between the two, and the rolling dish is located the ring seat, and the quantity of drive division is one at least and sets up on the inner wall of ring seat, and the rolling dish is located the removal route of drive division, and the valve plate activity sets up on handling the case and the shaping has the relief hole on the valve plate, the valve plate with handle case elastic connection, the through-hole is located the removal route of relief hole, the one end and the rolling dish of valve plate pass through the belt and connect.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210155805.8A CN114477549B (en) | 2022-02-21 | 2022-02-21 | Energy-concerving and environment-protective sewage treatment plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210155805.8A CN114477549B (en) | 2022-02-21 | 2022-02-21 | Energy-concerving and environment-protective sewage treatment plant |
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| CN114477549A CN114477549A (en) | 2022-05-13 |
| CN114477549B true CN114477549B (en) | 2023-01-03 |
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| CN115259521A (en) * | 2022-08-29 | 2022-11-01 | 承德石油高等专科学校 | Oil field sewage deoiling device |
| CN115958052B (en) * | 2022-09-15 | 2024-02-02 | 山东迈雅生物科技股份有限公司 | Cadmium pollution-based soil remediation system and method |
| CN115786725B (en) * | 2022-11-10 | 2023-12-15 | 山东省计量科学研究院 | Precious metal recovery processing device |
| CN115806335B (en) * | 2022-11-18 | 2023-08-04 | 沂水祥腾化工有限公司 | Wastewater treatment device for wear-resistant rubber additive production and use method |
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| CN109650347B (en) * | 2019-03-01 | 2020-05-26 | 肇庆学院 | Intelligent purifying and recycling device for sulfuric acid |
| CN110064648B (en) * | 2019-03-27 | 2021-05-07 | 中国矿业大学 | Heavy metal contaminated soil adds medicine and mixes solidification equipment |
| CN113089809A (en) * | 2021-05-08 | 2021-07-09 | 刘景青 | Water conservancy sediment removal device |
| CN214422433U (en) * | 2021-07-28 | 2021-10-19 | 郑州市三强机械有限责任公司 | Sewage treatment device capable of recycling sewage |
| CN113880291A (en) * | 2021-09-08 | 2022-01-04 | 郭宇 | Sludge environment-friendly purification device |
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