CN114249483A - Full-automatic reaction equipment for treating wastewater by using magnetic biochar - Google Patents

Abstract

The invention discloses a full-automatic reaction device for treating wastewater by using magnetic biochar, which relates to the technical field of wastewater treatment equipment and comprises a device main body, wherein a wastewater inlet is formed in the top end of the device main body, a flushing water inlet penetrating into the device main body is formed in one side of the wastewater inlet, a stirring assembly is installed at one end, located at the wastewater inlet, of the top end of the device main body, an automatic biochar adding assembly is arranged at one end, away from the wastewater inlet, of the stirring assembly, a PH regulating chamber is arranged at one end, away from the stirring assembly, of the automatic biochar adding assembly, and a water outlet is installed at one end of the device main body. The device main body is arranged, a set of complete automatic reaction device is provided for the magnetic biochar to treat actual wastewater, the intelligent degree is high, the application range is wide, a feasible device is provided for industrial application of the magnetic biochar to treat wastewater, and a better application scene is provided.

Description

Full-automatic reaction equipment for treating wastewater by using magnetic biochar

Technical Field

The invention relates to the technical field of wastewater treatment, in particular to a full-automatic reaction device for treating wastewater by using magnetic biochar.

Background

With the rapid development of industry, a large amount of industrial wastewater needs to be treated to reach the national discharge standard, an efficient, environment-friendly and low-cost treatment mode is urgently sought, and researchers find a new material 'biochar' for treating wastes with processes of wastes against one another. The biochar is a product obtained by high-temperature pyrolysis of biomass wastes such as animal and plant residues, livestock and poultry manure, crop straws and the like under an anoxic or anaerobic condition.

The magnetic biochar has the characteristics of large specific surface area, rich pores, rich functional groups and the like, has a certain adsorption capacity and also has strong catalytic performance, researchers prepare magnetic biochar through biomass loaded iron, the magnetic biochar is widely applied to adsorbing organic pollutants and heavy metals in industrial wastewater or activating persulfate to degrade the organic pollutants in the industrial wastewater, the existing reaction is mostly carried out in a laboratory glassware, and equipment special for practical application and industrial production of the magnetic biochar is urgently needed.

Disclosure of Invention

The invention aims to: in order to solve the problems, the full-automatic reaction equipment for treating the wastewater by using the magnetic biochar is provided.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a full-automatic response device of biological charcoal processing waste water of magnetism, includes the device main part, the top of device main part is provided with the waste water inlet, one side of waste water inlet is provided with and runs through to the inside water inlet that washes of device main part, the one end that the top of device main part is located the waste water inlet is installed and is stirred the subassembly, the one end that the waste water inlet was kept away from to the stirring subassembly is provided with automatic biological charcoal subassembly of throwing, the one end of automatic biological charcoal subassembly of throwing keeping away from the stirring subassembly is provided with the PH surge chamber, the delivery port is installed to the one end of device main part, the carbon waste collecting box is installed to one side of delivery port, the inner wall bottom of device main part is connected with the electromagnetic separation board, the inner wall both sides of device main part all are provided with deployable formula electromagnetic sheet.

Preferably, the stirring subassembly is including installing in the driving motor on device main part top, driving motor's output runs through to the inner wall connection of device main part has first dwang, the outer wall of first dwang is fixed with the link, the swivel becket is installed to the bottom of link, first dwang bottom is provided with first toothed disc, the outer wall connection of first toothed disc has the second toothed disc, one side that first toothed disc was kept away from to the outer wall of second toothed disc is provided with the third toothed disc, the top of third toothed disc is fixed with the second dwang, the outer wall connection of second dwang has the spacing frame of arc.

Preferably, the stirring subassembly is still including the fourth toothed disc who is connected with the second toothed disc, first auger is installed to the bottom of fourth toothed disc, the outer wall of first auger is connected with first stirring frame, the outer wall of fourth toothed disc is connected with the fifth toothed disc, the second auger is installed to the bottom of fifth toothed disc, the outer wall of second auger is provided with the second stirring frame.

Preferably, the inner wall of rotating ring is provided with the latch, rotating ring inner wall latch evenly covers in one hundred eighty degrees of rotating ring inner wall, the outer wall of second toothed disc passes through the latch and is connected with the inner wall latch meshing of rotating ring, the outer wall of first toothed disc is provided with the latch, first toothed disc outer wall latch evenly covers in one hundred eighty degrees of first toothed disc outer wall, the outer wall of second toothed disc passes through the latch and is connected with the outer wall latch meshing of first toothed disc.

Preferably, when deployable formula electromagnetism piece carries out waste water treatment, the electromagnetism piece is received, paste on the reactor wall, reduce friction and resistance, when carrying out biological charcoal and need the magnetic separation, the electromagnetism piece expandes and carries out the circular telegram, adsorb biological charcoal on the electromagnetism piece, with the cooperation of the electromagnetic plate of reactor bottom, carry out quick magnetic separation, after separating carbon is whole from waste water, carry out the water discharge, after the high of needs is arranged to the row, cut off the power supply, washing unit on the electromagnetism piece is opened simultaneously, wash reaction unit to biological charcoal on the electromagnetism piece, carry out follow-up reaction.

Preferably, the electromagnetism separation board has the ferromagnetism after the circular telegram for adsorb magnetism biochar and electromagnetic sheet cooperation and use, be used for from the separation of aquatic biochar, there is an angle of inclination electromagnetism separation board anterior segment for better separation biochar, the reduction is because the impact force of water takes away the biochar when the drainage, need not external power simultaneously and only need utilize gravity just can be the waste water drain clean.

Preferably, the water outlet is matched with five pneumatic valves with different heights and is matched with a liquid level meter to carry out liquid level adjustment, water is discharged to reach a desired liquid level height, the liquid is discharged from top to bottom in a grading mode during water discharging, the biochar adsorbed on the electromagnetic separation plate is prevented from being washed away due to overlarge water pressure, the water outlet is parallel to the electromagnetic separation plate and is ten centimeters higher than the horizontal plane, and the purpose is to reduce carbon loss due to the overlarge water pressure during water discharging.

Preferably, the pneumatic valve and the liquid level meter are arranged inside the device main body, the automatic adding biochar assembly is matched with the liquid level meter, the volume of the solution of the reaction device is calculated, and the corresponding amount of biochar persulfate is added.

Preferably, the pH adjusting chamber detects the pH of the solution, and adjusts the pH to the optimum pH, thereby facilitating the reaction.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention carries out rapid and effective treatment on wastewater by arranging the device main body, and has the specific operation that the wastewater enters the device main body through the wastewater inlet, the automatic biochar adding component is matched with the liquid level meter to calculate the volume of the solution of the reaction device, the corresponding amount of biochar persulfate is added, after the biochar is added, the power switch of the stirring component is turned on, the reaction starts, the stirring component can accelerate the reaction speed, when the wastewater treatment is carried out, the electromagnetic sheet is collected and attached to the wall of the reactor to reduce friction and resistance, when the biochar needs to be magnetically separated, the electromagnetic sheet is unfolded to be electrified to adsorb the biochar on the electromagnetic sheet and be matched with the electromagnetic plate at the bottom of the reactor to carry out rapid magnetic separation, after the carbon is completely separated from the wastewater, the water is discharged, and when the water reaches the required height, the power is cut off, meanwhile, a flushing device on the electromagnetic sheet is opened, biochar on the electromagnetic sheet is flushed into the reaction device, subsequent reaction is carried out, the front section of the magnetic separation plate has an inclination angle, the biochar is used for separating better biochar, the biochar is reduced when water is drained due to the fact that the biochar is taken away by impact force of the water, meanwhile, the wastewater can be drained completely without external power by only utilizing gravity, after the magnetic biochar is subjected to multiple reactions, the capability of treating the wastewater is lost, a pneumatic valve is opened, a flushing port is opened, and the biochar is collected by a waste carbon collecting box.

2. When a worker starts a power switch of a driving motor, the output end of the driving motor drives a first rotating rod to rotate so as to drive a connecting frame to rotate, the connecting frame rotates to drive a rotating ring to rotate, the rotating ring rotates to drive a second gear disc to rotate, the second gear disc rotates to drive a third gear disc to rotate, the third gear disc rotates to drive a fourth gear disc to rotate, the fourth gear disc rotates to drive a first auger to rotate, the first auger drives a solution in a device main body to be stirred, and meanwhile, the first agitating frame moves to drive the solution in the device main body to move due to the fact that a limiting groove matched with the first auger is formed in the first agitating frame; the fourth gear disc rotates to drive the fifth gear disc to rotate, and the fifth gear disc rotates to drive the second auger to rotate, so that the second stirring frame is driven to move; the rotation directions of the first auger and the second auger are opposite, so that the solution in the device main body is subjected to bidirectional stirring force, the stirring is more uniform, and meanwhile, the movement directions of the first stirring frame and the second stirring frame are opposite, so that the solution in the device main body is driven by four-direction force, and the solution is more completely reacted; because the latch of rotating ring inner wall and the latch distribution of first toothed disc outer wall are one hundred eighty degrees, and when rotating ring and second toothed disc outer wall latch separation, the latch of second toothed disc outer wall meshes with the latch of first toothed disc outer wall mutually to make the reciprocal positive and negative rotary motion of doing of third toothed disc can not, thereby drive above-mentioned step reciprocating motion, realize continuously stirring the inside aqueous solution of device main part.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a stirring assembly of the present invention;

FIG. 3 is a schematic view of the position structure of the rotating ring and the first gear plate according to the present invention;

FIG. 4 is a schematic structural view of a second stirring frame according to the present invention;

FIG. 5 is a schematic structural diagram of an electromagnetic separation panel according to the present invention.

In the figure: 1. a device main body; 2. a wastewater inlet; 3. flushing the water inlet; 4. a stirring assembly; 5. automatically adding a biological carbon component; 6. a pH adjusting chamber; 7. a water outlet; 8. a waste carbon collection box; 9. an electromagnetic separation plate; 10. an expandable electromagnetic sheet; 401. a drive motor; 402. a first rotating lever; 403. a connecting frame; 404. a rotating ring; 405. a first gear plate; 406. a second gear wheel disc; 407. a third gear plate; 408. a second rotating lever; 409. an arc-shaped limiting frame; 410. a fourth gear plate; 411. a first auger; 412. a first stirring frame; 413. a fifth gear plate; 414. a second auger; 415. and a second stirring frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-5, a full-automatic reaction device for treating wastewater by using magnetic biochar comprises a device main body 1, wherein a wastewater inlet 2 is arranged at the top end of the device main body 1, a flushing water inlet 3 penetrating into the device main body 1 is arranged at one side of the wastewater inlet 2, a stirring assembly 4 is arranged at one end, located at the wastewater inlet 2, of the top end of the device main body 1, an automatic biochar adding assembly 5 is arranged at one end, away from the wastewater inlet 2, of the stirring assembly 4, a PH adjusting chamber 6 is arranged at one end, away from the stirring assembly 4, of the automatic biochar adding assembly 5, a water outlet 7 is arranged at one end of the device main body 1, a waste carbon collecting box 8 is arranged at one side of the water outlet 7, an electromagnetic separation plate 9 is connected to the bottom end of the inner wall of the device main body 1, and expandable electromagnetic plates 10 are arranged on two sides of the inner wall of the device main body 1;

the structural design is convenient for workers to rapidly and effectively treat wastewater through the device main body 1, the specific operation is as follows, wastewater enters the device main body 1 through a wastewater inlet, the biochar component 5 is automatically added to be matched with a liquid level meter, the volume of solution in the reaction device is calculated, the corresponding amount of biochar persulfate is added, after biochar is added, a power switch of the stirring component 4 is turned on, the reaction starts, the stirring component 4 can accelerate the reaction speed, when wastewater treatment is carried out, the electromagnetic sheet is folded and attached to the wall of the reactor to reduce friction and resistance, when biochar needs magnetic separation, the electromagnetic sheet is unfolded to be electrified to adsorb biochar onto the electromagnetic sheet and be matched with the electromagnetic plate at the bottom of the reactor to carry out rapid magnetic separation, after all carbon is separated from wastewater, water is discharged, when the water is discharged to the required height, carry out the outage, washing unit on the electromagnetism piece is opened simultaneously, wash the biochar on the electromagnetism piece to reaction unit in, carry out follow-up reaction, magnetic separation board anterior segment has an angle of inclination, be used for better separation biochar, reduce when the drainage because the impact force of water takes away the biochar, need not external power simultaneously and only need utilize gravity just can be completely to waste water drainage, the magnetism biochar carries out after-reaction many times, lose the ability of handling waste water, open pneumatic valve, open the water flushing port, waste carbon collecting box 8 begins to collect the biochar.

Referring to fig. 1-5, the stirring assembly 4 includes a driving motor 401 mounted on the top end of the apparatus main body 1, an output end of the driving motor 401 penetrates through an inner wall of the apparatus main body 1 to be connected with a first rotating rod 402, a connecting frame 403 is fixed on an outer wall of the first rotating rod 402, a rotating ring 404 is mounted at the bottom end of the connecting frame 403, a first gear disc 405 is disposed at the bottom end of the first rotating rod 402, a second gear disc 406 is connected to an outer wall of the first gear disc 405, a third gear disc 407 is disposed on a side, away from the first gear disc 405, of the outer wall of the second gear disc 406, a second rotating rod 408 is fixed at the top end of the third gear disc 407, and an arc-shaped limit frame 409 is connected to an outer wall of the second rotating rod 408;

the stirring assembly 4 further comprises a fourth gear disc 410 connected with the third gear disc 407, a first auger 411 is mounted at the bottom end of the fourth gear disc 410, a first stirring frame 412 is connected to the outer wall of the first auger 411, a fifth gear disc 413 is connected to the outer wall of the fourth gear disc 410, a second auger 414 is mounted at the bottom end of the fifth gear disc 413, and a second stirring frame 415 is arranged on the outer wall of the second auger 414;

the inner wall of the rotating ring 404 is provided with clamping teeth, the clamping teeth on the inner wall of the rotating ring 404 uniformly cover one hundred eighty degrees of the inner wall of the rotating ring 404, the outer wall of the second gear disc 406 is meshed with the clamping teeth on the inner wall of the rotating ring 404 through the clamping teeth, the clamping teeth are arranged on the outer wall of the first gear disc 405, the clamping teeth on the outer wall of the first gear disc 405 are uniformly covered on one hundred eighty degrees of the outer wall of the first gear disc 405, and the outer wall of the second gear disc 406 can be meshed with the clamping teeth on the outer wall of the first gear disc 405 through the clamping teeth;

the structural design facilitates the accelerated reaction effect of the workers on the wastewater through the stirring component 4, and the concrete operation is as follows, when the worker starts the power switch of the driving motor 401, the output end of the driving motor 401 drives the first rotating rod 402 to rotate, thereby driving the connecting frame 403 to rotate, the connecting frame 403 to rotate and driving the rotating ring 404 to rotate, the rotating ring 404 to rotate and driving the second gear disc 406 to rotate, the second gear disc 406 to rotate and driving the third gear disc 407 to rotate, the third gear disc 407 to rotate and driving the fourth gear disc 410 to rotate, the fourth gear disc 410 to rotate and driving the first auger 411 to rotate, the first auger 411 to drive the solution in the device main body 1 to stir, at the same time, because the first stirring frame 412 is internally provided with a limit groove matched with the first auger 411, thereby causing the first stirring frame 412 to move, and the first stirring frame 412 moves to drive the solution inside the device main body 1 to move;

the fourth gear disc 410 rotates to drive the fifth gear disc 413 to rotate, and the fifth gear disc 413 rotates to drive the second auger 414 to rotate, so that the second stirring frame 415 is driven to move;

the rotation directions of the first auger 411 and the second auger 414 are opposite, so that the solution in the device main body 1 is subjected to bidirectional stirring force, the stirring is more uniform, and meanwhile, the movement directions of the first stirring frame 412 and the second stirring frame 415 are opposite, so that the solution in the device main body 1 is driven by four-direction force, and the solution reaction is more complete;

because the latch of rotating ring 404 inner wall and the latch distribution of first toothed disc 405 outer wall are one hundred eighty degrees, and when rotating ring 404 and second toothed disc 406 outer wall latch separation, the latch of second toothed disc 406 outer wall meshes with the latch of first toothed disc 405 outer wall mutually to make third toothed disc 407 reciprocal and do positive and negative rotary motion can not, thereby drive above-mentioned step reciprocating motion, realize continuously stirring the inside aqueous solution of device main part 1.

Referring to fig. 1-5, when the expandable electromagnetic sheet 10 is used for wastewater treatment, the electromagnetic sheet is folded and attached to the wall of the reactor to reduce friction and resistance, when the biochar needs magnetic separation, the electromagnetic sheet is expanded to be electrified to adsorb the biochar onto the electromagnetic sheet, and is matched with an electromagnetic plate at the bottom of the reactor to perform rapid magnetic separation, after all the biochar is separated from the wastewater, water is discharged, when the water is discharged to a required height, the power is cut off, and meanwhile, a flushing device on the electromagnetic sheet is opened to flush the biochar on the electromagnetic sheet into the reaction device for subsequent reaction.

Referring to fig. 1-5, the electromagnetic separation plate 9 has strong magnetism after being powered on, is used for adsorbing magnetic biochar and is used in cooperation with an electromagnetic sheet for separating the biochar from water, and the front section of the electromagnetic separation plate 9 has an inclination angle for better separating the biochar, so that the biochar is reduced to be taken away by impact force of water during drainage, and waste water can be drained completely only by utilizing gravity without external power.

Referring to fig. 1-5, the water outlet 7 cooperates with five pneumatic valves with different heights to adjust the liquid level in cooperation with a liquid level meter, so as to discharge water to reach a desired liquid level height, and the water is discharged from top to bottom in a grading manner during water discharge, so that the biochar adsorbed on the electromagnetic separation plate 9 is prevented from being washed away due to excessive water pressure, and the water outlet 7 is parallel to the electromagnetic separation plate 9 and is ten centimeters higher than the horizontal plane, so that the purpose of preventing the biochar from being washed away due to excessive water pressure during water discharge is achieved, and the carbon loss is reduced.

Referring to fig. 1-5, a pneumatic valve and a liquid level meter are arranged inside the device main body 1, the automatic biochar adding component 5 is matched with the liquid level meter, the volume of the solution in the reaction device is calculated, and the corresponding amount of biochar persulfate is added.

Referring to FIGS. 1 to 5, the pH adjusting chamber 6 detects the pH of the solution and adjusts the pH to the optimum pH to facilitate the reaction.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a full-automatic response equipment of magnetism biochar processing waste water, includes device main part (1), its characterized in that: a wastewater inlet (2) is arranged at the top end of the device main body (1), a flushing water inlet (3) penetrating into the device main body (1) is arranged at one side of the wastewater inlet (2), a stirring component (4) is arranged at one end of the top end of the device main body (1) positioned at the wastewater inlet (2), an automatic biochar adding component (5) is arranged at one end of the stirring component (4) far away from the wastewater inlet (2), a PH adjusting chamber (6) is arranged at one end of the automatic biochar adding component (5) far away from the stirring component (4), a water outlet (7) is arranged at one end of the device main body (1), a waste carbon collecting box (8) is arranged at one side of the water outlet (7), the bottom end of the inner wall of the device main body (1) is connected with an electromagnetic separation plate (9), the device is characterized in that two sides of the inner wall of the device main body (1) are provided with expandable electromagnetic sheets (10).

2. The full-automatic reaction equipment for treating wastewater by using magnetic biochar as claimed in claim 1, is characterized in that: stirring subassembly (4) are including installing in driving motor (401) on device main part (1) top, the output of driving motor (401) runs through to the inner wall connection of device main part (1) has first dwang (402), the outer wall of first dwang (402) is fixed with link (403), swivel becket (404) is installed to the bottom of link (403), first dwang (402) bottom is provided with first toothed disc (405), the outer wall connection of first toothed disc (405) has second toothed disc (406), one side that first toothed disc (405) was kept away from to the outer wall of second toothed disc (406) is provided with third toothed disc (407), the top of third toothed disc (407) is fixed with second dwang (408), the outer wall connection of second dwang (408) has arc limit frame (409).

3. The full-automatic reaction equipment for treating wastewater by using magnetic biochar as claimed in claim 2, characterized in that: stirring subassembly (4) are still including fourth toothed disc (410) of being connected with second toothed disc (406), first auger (411) is installed to the bottom of fourth toothed disc (410), the outer wall connection of first auger (411) has first stirring frame (412), the outer wall connection of fourth toothed disc (410) has fifth toothed disc (413), second auger (414) is installed to the bottom of fifth toothed disc (413), the outer wall of second auger (414) is provided with second stirring frame (415).

4. The full-automatic reaction equipment for treating wastewater by using magnetic biochar as claimed in claim 2, characterized in that: the inner wall of rotating ring (404) is provided with the latch, rotating ring (404) inner wall latch evenly covers in rotating ring (404) inner wall one hundred eighty degrees, the outer wall of second toothed disc (406) passes through the latch and is connected with the inner wall latch meshing of rotating ring (404), the outer wall of first toothed disc (405) is provided with the latch, first toothed disc (405) outer wall latch evenly covers in first toothed disc (405) outer wall one hundred eighty degrees, the outer wall of second toothed disc (406) passes through the latch and is connected with the outer wall latch meshing of first toothed disc (405).

5. The full-automatic reaction equipment for treating wastewater by using magnetic biochar as claimed in claim 1, is characterized in that: but when deployable formula electromagnetism piece (10) carried out waste water treatment, the electromagnetism piece was received, paste on the reactor wall, reduce friction and resistance, when carrying out biological charcoal needs magnetic separation, the electromagnetism piece expandes and carries out the circular telegram, adsorb biological charcoal on the electromagnetism piece, with the cooperation of the electromagnetic plate of reactor bottom, carry out quick magnetic separation, after separating carbon is whole from waste water, carry out the water discharge, after the high of needs is arranged to the row, cut off the power supply, washing unit on the electromagnetism piece is opened simultaneously, wash reaction unit to biological charcoal on the electromagnetism piece, carry out follow-up reaction.

6. The full-automatic reaction equipment for treating wastewater by using magnetic biochar as claimed in claim 1, is characterized in that: electromagnetic separation board (9) circular telegram back has the ferromagnetism for adsorb magnetism biochar and electromagnetic sheet cooperation and use, be used for from the separation of aquatic biochar, there is an angle of inclination electromagnetic separation board (9) anterior segment for better separation biochar reduces and takes away the biochar because the impact force of water when the drainage, need not external power simultaneously and only need utilize gravity just can drain waste water clean.

7. The full-automatic reaction equipment for treating wastewater by using magnetic biochar as claimed in claim 1, is characterized in that: delivery port (7) cooperation five pneumatic valves of co-altitude not, the cooperation level gauge is carrying out liquid level control, discharges the water, reaches a wanted liquid level height, carries out from the top down hierarchical emission when the drainage, prevents because water pressure is too big, washes away the biological charcoal that adsorbs in electromagnetic separation board (9), delivery port (7) are parallel with electromagnetic separation board (9), are higher than the horizontal plane ten centimetres, and its purpose reduces the charcoal loss in order to wash away the charcoal because water pressure is too big when the drainage.

8. The full-automatic reaction equipment for treating wastewater by using magnetic biochar as claimed in claim 1, is characterized in that: the inside of device main part (1) is provided with pneumatic valve and level gauge, automatically, throw biological charcoal subassembly (5) and coordinate the level gauge, calculate the volume of reaction unit solution, carry out throwing of corresponding volume biological charcoal (persulfate).

9. The full-automatic reaction equipment for treating wastewater by using magnetic biochar as claimed in claim 1, is characterized in that: the PH adjusting chamber (6) detects the PH of the solution, adjusts the PH to the most suitable PH, and is beneficial to the reaction.

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