CN217265337U

CN217265337U - Effluent treatment plant for environmental engineering

Info

Publication number: CN217265337U
Application number: CN202221216094.2U
Authority: CN
Inventors: 王新建; 杜凯; 胡雪飞; 邱汪顺; 熊新如; 许志勇
Original assignee: Anhui Dongsheng Environmental Protection Technology Group Co ltd
Current assignee: Anhui Dongsheng Environmental Protection Technology Group Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-08-23
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a effluent treatment plant for environmental engineering belongs to waste water treatment technical field, aims at solving the inefficiency of handling waste water, can't detach the bacterial impurity and the peculiar smell in the waste water completely, and the impurity on inconvenient clearance filter screen surface also can not take out the filter screen and carry out abluent problem moreover. Through the arrangement of the inclination adjusting structure, the movable door, the impurity collecting box and the conveying hole, the primary filter screen can be conveniently inclined and adjusted, impurities on the surface of the filter screen can be cleaned, and the primary filter screen can be taken out for replacement and cleaning; through the setting of elementary filter screen, high-efficient filter layer, aeration equipment, agitating unit and purple light lamp, can filter the edulcoration to waste water, the aeration deodorization for the flocculation process to stir waste water, accelerate the mixed degree of disinfectant and waste water, the purple light lamp can also be to the waste water further disinfection of disinfecting of disinfect box, improves the treatment effect to waste water.

Description

Effluent treatment plant for environmental engineering

Technical Field

The utility model relates to a waste water treatment technical field specifically is a waste water treatment device for environmental engineering.

Background

Environmental engineering is a branch of environmental science, mainly studies how to protect and reasonably utilize natural resources, solves increasingly serious environmental problems by using scientific means, improves environmental quality, promotes environmental protection and social development, and is also a scientific technology for studying and working on preventing environmental pollution and improving environmental quality. Environmental engineering is related to ecology in biology, environmental hygiene and environmental medicine in medicine, and environmental physics and environmental chemistry. Since environmental engineering is in the initial stage, the field of disciplines is still developing, but the core of the disciplines is the management of environmental pollution sources. Water is indispensable for the survival and development of all living things. The substances contained in the water body are very complex, and the elements in the periodic table of the elements can be almost all found in the water body. A large amount of wastewater discharged by human production and living consumption activities enters water body to cause water body pollution. Therefore, the treatment by the methods of wastewater physical treatment, wastewater chemical treatment, wastewater biological treatment and wastewater physical chemical treatment, etc., and the full utilization of the self-cleaning capacity of the environment to prevent, reduce and eliminate water pollution, improve and maintain the water environment quality, and the establishment of wastewater discharge standards, the reasonable utilization of water resources and the enhancement of water resource management become the main tasks of water pollution prevention and treatment engineering.

Present effluent treatment plant has certain drawback when using, and the efficiency of handling waste water is lower, can't detach the bacterium impurity in the waste water and peculiar smell completely, and when filtering waste water, the impurity in the waste water can accumulate on the filter screen in addition, and the impurity on inconvenient clearance filter screen surface also can not take out the filter screen and wash.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a wastewater treatment device for environmental engineering, which adopts the technical proposal that the device comprises a filter box, a deodorization box, a disinfection box and a base, wherein the filter box, the deodorization box and the disinfection box are fixedly connected above the base from left to right in sequence, the top of the filter box is provided with a wastewater inlet, a primary filter screen is arranged inside the filter box, wastewater can be primarily filtered through the arrangement of the primary filter screen, the outer side of the primary filter screen is provided with an inclination adjusting structure, the primary filter screen can be conveniently inclined through the arrangement of the inclination adjusting structure, one side of the filter box is positioned at one side of the primary filter screen and is provided with a movable door, the primary filter screen can be conveniently taken out for replacement and cleaning through the arrangement of the movable door, the other side of the filter box is fixedly connected with an impurity collecting box, the filter box is communicated with the impurity collecting box through a conveying hole, impurities on the surface of the primary filter screen can fall into the impurity collecting box through the conveying hole by arranging the impurity collecting box and the conveying hole, a high-efficiency filter layer is arranged below the primary filter screen, high-efficiency filtration and impurity removal on waste water can be realized by arranging the high-efficiency filter layer, the filter box is communicated with the deodorization box through a first conveying device, the waste water in the filter box is guided into the deodorization box through the first conveying device, the inner bottom wall of the deodorization box is provided with an aeration device, through the arrangement of the aeration device, bubbles can be continuously generated, gas escapes from the water, water odor or harmful gas such as carbon dioxide and hydrogen sulfide is removed, oxygen is dissolved into the water, so that the concentration of dissolved oxygen is improved, and the purposes of removing iron, manganese or promoting the degradation of organic matters by oxygen-requiring microorganisms are achieved, simultaneously, a coagulant put into the deodorization box keeps a motion state, the coagulant is fully fused with wastewater, a flocculation process is accelerated, the deodorization box is communicated with the disinfection box through a second conveying device, the wastewater in the deodorization box is guided into the disinfection box through the second conveying device, a stirring device is arranged inside the disinfection box, the wastewater in the disinfection box can be stirred through the arrangement of the stirring device, the mixing degree of the disinfectant and the wastewater is accelerated, and the treatment effect is improved, a purple light lamp is fixedly connected to the inner wall of the disinfection box, the wastewater in the disinfection box can be subjected to ultraviolet sterilization and disinfection through the arrangement of the purple light lamp, feed ports are arranged at the tops of the deodorization box and the disinfection box, the coagulant and the disinfectant can be put into the deodorization box and the disinfection box from the feed ports, a controller is arranged at the front side of the deodorization box, and the controller can control the first conveying device, The device comprises an aeration device, a second conveying device, a stirring device and a purple light lamp, wherein a microprocessor is arranged inside a controller, a water outlet is formed in one side of a disinfection box, purified water after treatment is discharged from the water outlet, and the first conveying device, the aeration device, the second conveying device, the stirring device and the purple light lamp are all connected with the microprocessor.

As a preferred technical scheme of the utility model, the top of rose box, deodorization case and disinfect box all can be dismantled and is connected with the top cap, waste water import and dog-house all set up on the top cap, the front of rose box, deodorization case and disinfect box all is provided with the observation window, through the setting of top cap and observation window, can conveniently observe and wash the inside of rose box, deodorization case, disinfect box.

As a preferred technical scheme of the utility model, the structure is adjusted in slope includes activity strip, spout, hinge, driving lever and arc wall, there are two activity strips, two in the inside of rose box through hinge swing joint the spout has all been seted up to the inside of activity strip, primary filter screen and spout sliding connection, one the positive fixedly connected with driving lever of activity strip, the arc wall has been seted up in the front of rose box, driving lever and arc wall sliding connection through the setting of activity strip, spout, hinge, driving lever and arc wall, can conveniently incline primary filter screen to the convenience, make the impurity on its surface fall into in the impurity collecting box.

As an optimal technical scheme of the utility model, the inner wall fixedly connected with cowl of rose box, the surface of dodge gate and impurity collecting box all is provided with the handle, first conveyor and second conveyor's import end department all is provided with the filtration frame, and through cowl, handle and the setting of filtering the frame, cowl can avoid impurity to fall primary filter screen below, and dodge gate and impurity collecting box are conveniently opened to the handle, filter the frame and prevent to filter waste water once more.

As an optimal technical scheme of the utility model, high-efficient filter layer includes high-efficient filter screen layer, filters sponge layer and activated carbon layer, high-efficient filter screen layer, filter sponge layer and activated carbon layer set gradually in the inside from the top down of rose box, through the setting on high-efficient filter screen layer, filter sponge layer and activated carbon layer, can realize the high-efficient edulcoration of filtering to waste water.

As an optimal technical scheme of the utility model, aeration equipment includes aeration pump, discharge and gas outlet, the lower fixed surface of deodorization case is connected with the aeration pump, the interior diapire fixedly connected with discharge of deodorization case, aeration pump and discharge intercommunication, the upper surface of discharge is provided with a plurality of gas outlets, the aeration pump is connected with microprocessor, through the setting of aeration pump, discharge and gas outlet, can continuously produce the bubble, makes gaseous from the aquatic effusion, removes harmful gas such as the stink of water or carbon dioxide and hydrogen sulfide, makes oxygen dissolve into the aquatic to improve dissolved oxygen concentration, reaches deironing, demanganization or promotion and needs oxygen microorganism degradation organic matter's purpose, makes the coagulant that drops into in the deodorization incasement keep the motion state simultaneously, makes coagulant and waste water fully fuse for the flocculation process.

As the utility model discloses a preferred technical scheme, agitating unit includes motor, pivot, stirring leaf and bearing, the top of disinfect box is provided with the motor, the output shaft of motor is connected with the pivot, the outer fixed surface of pivot is connected with a plurality of stirring leaves, the pivot bottom is provided with the bearing, the motor is connected with microprocessor, through the setting of motor, pivot, stirring leaf and bearing, can last the waste water of stirring disinfect box, improves the degree of mixing of disinfectant and waste water, improves the treatment effect.

The utility model has the advantages that: the utility model discloses a slope is adjusted structure, dodge gate, impurity collecting box and delivery port's setting, and the slope is adjusted the structure and can be conveniently adjusted the slope of elementary filter screen to make the impurity on elementary filter screen surface fall into impurity collecting box from the delivery port and collect, open the dodge gate and can also take out elementary filter screen and change and wash; through primary filter screen, high-efficient filter layer, aeration equipment, the cooperation setting of agitating unit and purple light lamp, primary filter screen and high-efficient filter layer can filter the edulcoration to waste water, aeration equipment can continuously produce the bubble, make gaseous follow aquatic effusion, remove harmful gas such as the stink of water or carbon dioxide and hydrogen sulfide, make oxygen dissolve into aquatic, with the improvement dissolved oxygen concentration, reach the deironing, remove manganese or promote the purpose that the aerobic microorganism degrades organic matter, make the coagulant that drops into in the deodorization incasement keep the motion state simultaneously, make coagulant and waste water fully fuse, accelerate the flocculation process, agitating unit can stir the waste water in the disinfect box, accelerate the degree of mixing of disinfectant and waste water, and improve the treatment effect, the purple light lamp can be to the further disinfection of disinfecting of the waste water in the disinfect box.

Drawings

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

FIG. 2 is a schematic view of the main sectional structure of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the tilt adjusting structure of the present invention;

fig. 4 is a schematic view of the three-dimensional explosion structure of the tilt adjusting structure of the present invention.

In the figure: 1. a filter box; 2. a deodorization box; 3. a sterilizing box; 4. a base; 5. a wastewater inlet; 6. a primary filter screen; 7. a tilt adjustment structure; 701. a movable bar; 702. a chute; 703. a hinge; 704. a deflector rod; 705. an arc-shaped slot; 8. a movable door; 9. an impurity collecting box; 10. a delivery orifice; 11. a high-efficiency filter layer; 1101. a high-efficiency filter screen layer; 1102. a sponge layer is filtered; 1103. an activated carbon layer; 12. a first conveying device; 13. an aeration device; 1301. an aeration pump; 1302. a gas collecting pipe; 1303. an air outlet; 14. a second conveying device; 15. a stirring device; 1501. a motor; 1502. a rotating shaft; 1503. stirring blades; 1504. a bearing; 16. an ultraviolet lamp; 17. a feeding port; 18. a controller; 19. a water outlet; 20. a top cover; 21. an observation window; 22. an arc-shaped baffle plate; 23. a handle; 24. and (5) filtering the frame.

Detailed Description

Example 1

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 a relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the utility model discloses a wastewater treatment device for environmental engineering, which adopts the technical proposal that the device comprises a filter box 1, a deodorization box 2, a disinfection box 3 and a base 4, the upper part of the base 4 is fixedly connected with the filter box 1, the deodorization box 2 and the disinfection box 3 from left to right in turn, the top of the filter box 1 is provided with a wastewater inlet 5, wastewater is added into the filter box 1 from the wastewater inlet 5, the inside of the filter box 1 is provided with a primary filter screen 6, the primary filter screen 6 carries out primary filtration on the wastewater, the outer side of the primary filter screen 6 is provided with an inclination adjusting structure 7, one side of the filter box 1 is positioned at one side of the primary filter screen 6 and is provided with a movable door 8, the movable door 8 can be opened to replace the primary filter screen 6, the other side of the filter box 1 is fixedly connected with an impurity collecting box 9, when the surface of the primary filter screen 6 is excessively accumulated impurities, the inclination adjusting structure 7 is rotated to pour impurities into the impurity collecting box 9 from the conveying hole 10, the filter box 1 is communicated with the impurity collecting box 9 through the conveying hole 10, the high-efficiency filter layer 11 is arranged below the primary filter screen 6, the high-efficiency filter layer 11 further efficiently filters and removes impurities from wastewater, the filter box 1 is communicated with the deodorization box 2 through the first conveying device 12, the wastewater in the filter box 1 is guided into the deodorization box 2 by the first conveying device 12, the inner bottom wall of the deodorization box 2 is provided with the aeration device 13, the aeration device 13 continuously generates bubbles to enable gas to escape from water, remove peculiar smell and harmful gas of water, enable oxygen to be dissolved into the water to improve the concentration of dissolved oxygen, achieve the purposes of removing iron, removing manganese or promoting aerobic microorganisms to degrade organic matters, and enable a coagulant put into the deodorization box 2 to keep a motion state, fully fusing a coagulant with wastewater to accelerate a flocculation process, wherein the deodorization box 2 is communicated with the disinfection box 3 through a second conveying device 14, the second conveying device 14 guides the wastewater in the deodorization box 2 into the disinfection box 3, a stirring device 15 is arranged inside the disinfection box 3, the stirring device 15 continuously stirs the wastewater in the disinfection box 3 to completely mix the disinfectant with the wastewater, an ultraviolet lamp 16 is fixedly connected to the inner wall of the disinfection box 3, the ultraviolet lamp 16 is used for further sterilizing and disinfecting the wastewater, the top parts of the deodorization box 2 and the disinfection box 3 are respectively provided with a feed opening 17, the coagulant and the disinfectant are respectively fed into the deodorization box 2 and the disinfection box 3 from the feed opening 17, the front surface of the deodorization box 2 is provided with a controller 18, and the first conveying device 12, an aeration device 13, the second conveying device 14, the stirring device 15 and the ultraviolet lamp 16 can be manually opened by using the controller 18, the controller 18 is internally provided with a microprocessor, one side of the sterilizing box 3 is provided with a water outlet 19, the treated purified water is discharged from the water outlet 19, and the first conveying device 12, the aeration device 13, the second conveying device 14, the stirring device 15 and the ultraviolet lamp 16 are all connected with the microprocessor.

As an optimal technical scheme of the utility model, the top of rose box 1, deodorization case 2 and disinfect box 3 all can be dismantled and be connected with top cap 20, waste water import 5 and dog-house 17 all set up on top cap 20, the front of rose box 1, deodorization case 2 and disinfect box 3 all is provided with observation window 21, opens inside top cap 20 can conveniently wash rose box 1, deodorization case 2 and disinfect box 3, sees through observation window 21 and can look over the waste water treatment condition in rose box 1, deodorization case 2 and the disinfect box 3.

As a preferred technical scheme of the utility model, slope is adjusted structure 7 and is included activity strip 701, spout 702, hinge 703, driving lever 704 and arc wall 705, there are two activity strips 701, two in the inside of rose box 1 through hinge 703 swing joint spout 702 has all been seted up to activity strip 701's inside, primary filter screen 6 and spout 702 sliding connection, one the positive fixedly connected with driving lever 704 of activity strip 701, arc wall 705 has been seted up in the front of rose box 1, driving lever 704 and arc wall 705 sliding connection stir driving lever 704 along arc wall 705 direction back and forth through hinge 703, and in activity strip 701 pours the impurity on primary filter screen 6 surface into impurity collecting box 9, spout 702 can conveniently change primary filter screen 6.

As an optimal technical scheme of the utility model, the inner wall fixedly connected with cowl 22 of rose box 1, the surface of dodge gate 8 and impurity collecting box 9 all is provided with handle 23, first conveyor 12 and second conveyor 14's import end department all is provided with filters frame 24, utilizes handle 23 to open dodge gate 8 and impurity collecting box 9, filters frame 24 and filters the waste water in getting into first conveyor 12 and second conveyor 14 once more.

As a preferred technical scheme of the utility model, high efficiency filter layer 11 includes high efficiency filter stratum reticulare 1101, filters sponge layer 1102 and activated carbon layer 1103, high efficiency filter stratum reticulare 1101, filter sponge layer 1102 and activated carbon layer 1103 set gradually in the inside from the top down of rose box 1, and high efficiency filter stratum reticulare 1101, filter sponge layer 1102 and activated carbon layer 1103 carry out the high efficiency to waste water once more and filter the edulcoration.

As a preferred technical solution of the present invention, the aeration device 13 includes an aeration pump 1301, a gas collecting pipe 1302 and a gas outlet 1303, the lower surface of the deodorization box 2 is fixedly connected with the aeration pump 1301, the inner bottom wall of the deodorization box 2 is fixedly connected with the gas collecting pipe 1302, the aeration pump 1301 is communicated with the gas collecting pipe 1302, the upper surface of the gas collecting pipe 1302 is provided with a plurality of gas outlets 1303, the aeration pump 1301 is connected with the microprocessor, the aeration pump 1301 guides the external air into the gas collecting pipe 1302 and discharges the air from the gas outlets 1303, so as to continuously generate bubbles, make the gas escape from the water, remove the peculiar smell and harmful gas of water, make the oxygen dissolve into the water, so as to improve the dissolved oxygen concentration, achieve the purpose of removing iron, removing manganese or promoting the aerobic microorganisms to degrade the organic matters, and make the coagulant put into the deodorization box 2 keep a motion state, so as to fully fuse the coagulant and the wastewater, the flocculation process is accelerated.

As an optimal technical scheme of the utility model, agitating unit 15 includes motor 1501, pivot 1502, stirring leaf 1503 and bearing 1504, the top of disinfect box 3 is provided with motor 1501, the output shaft of motor 1501 is connected with pivot 1502, the outer fixed surface of pivot 1502 is connected with a plurality of stirring leaves 1503, pivot 1502 bottom is provided with bearing 1504, motor 1501 is connected with microprocessor, and motor 1501 drives pivot 1502 and stirs leaf 1503 rotation, continuously stirs the waste water in the disinfect box 3, improves the mixed degree of disinfectant and waste water to improve the treatment effect.

The utility model discloses a theory of operation: when the wastewater is treated, the wastewater enters the filter tank 1 from the wastewater inlet 5, the primary filter screen 6, the high-efficiency filter screen layer 1101, the filter sponge layer 1102 and the activated carbon layer 1103 sequentially filter and remove impurities of the wastewater again, then the wastewater in the filter tank 1 is guided into the deodorization tank 2 by the first conveying device 12, a coagulant is fed into the deodorization tank 2 from the feeding port 17, outside air is guided into the gas collecting pipe 1302 by the aeration pump 1301 and is discharged from the gas outlet 1303, bubbles are continuously generated, gas escapes from the water, the peculiar smell and harmful gases of the water are removed, oxygen is dissolved into the water, the concentration of dissolved oxygen is improved, the purposes of removing iron and manganese or accelerating the degradation of organic matters by aerobic microorganisms are achieved, meanwhile, the coagulant fed into the deodorization tank 2 is kept in a moving state, the coagulant is fully fused with the wastewater, the flocculation process is accelerated, and then the wastewater in the deodorization tank 2 is guided into the disinfection tank 3 by the second conveying device 14, the filter frame 24 filters the wastewater entering the first conveying device 12 and the second conveying device 14 again, then the disinfectant is put into the disinfection box 3 from the feeding port 17, the motor 1501 drives the rotating shaft 1502 and the stirring blades 1503 to rotate, the wastewater in the disinfection box 3 is continuously stirred, the mixing degree of the disinfectant and the wastewater is improved, the treatment effect is improved, the ultraviolet lamp 16 further sterilizes and disinfects the wastewater, and the treated purified water is discharged from the water discharge port 19; when the excessive impurity of primary filter screen 6 surface accumulation, can make a round trip to stir driving lever 704 along arc wall 705 direction through hinge 703, movable strip 701 pours the impurity on primary filter screen 6 surface into in impurity collecting box 9, utilize handle 23 can open dodge gate 8 and pull out primary filter screen 6 from spout 702 and change, can also open impurity collecting box 9 clearance impurity, it is further, open top cap 20 and also can conveniently wash rose box 1, inside deodorization case 2 and disinfect box 3, see through observation window 21 and can look over the waste water treatment condition in rose box 1, deodorization case 2 and the disinfect box 3.

The microprocessor adopts an STM32 chip for starting and stopping the motor and the pump, and the technical advices can be obtained by the technical personnel in the field by referring to teaching materials or technical manuals published by manufacturers through the pins and the connection mode of the STM 32; the circuit and mechanical connections of the present invention are conventional means used by those skilled in the art, and can be suggested by limited tests, which are common knowledge.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.

Claims

1. The utility model provides a effluent treatment plant for environmental engineering, includes rose box (1), deodorization case (2), disinfect box (3) and base (4), the top of base (4) from left to right fixedly connected with rose box (1), deodorization case (2) and disinfect box (3) in proper order, its characterized in that: the top of the filter box (1) is provided with a wastewater inlet (5), a primary filter screen (6) is arranged in the filter box (1), the outer side of the primary filter screen (6) is provided with an inclined adjusting structure (7), one side of the filter box (1) is positioned at one side of the primary filter screen (6) and is provided with a movable door (8), the other side of the filter box (1) is fixedly connected with an impurity collecting box (9), the filter box (1) is communicated with the impurity collecting box (9) through a conveying hole (10), a high-efficiency filter layer (11) is arranged below the primary filter screen (6), the filter box (1) is communicated with the deodorization box (2) through a first conveying device (12), the inner bottom wall of the deodorization box (2) is provided with an aeration device (13), and the deodorization box (2) is communicated with the disinfection box (3) through a second conveying device (14), the inside of disinfect box (3) is provided with agitating unit (15), the inner wall fixedly connected with purple light lamp (16) of disinfect box (3), the top of deodorization box (2) and disinfect box (3) all is provided with dog-house (17), the front of deodorization box (2) is provided with controller (18), the inside of controller (18) is provided with microprocessor, one side of disinfect box (3) is provided with outlet (19), first conveyor (12), aeration equipment (13), second conveyor (14), agitating unit (15) and purple light lamp (16) all are connected with microprocessor.

2. The wastewater treatment device for environmental engineering according to claim 1, wherein: the top of the filter box (1), the top of the deodorization box (2) and the top of the disinfection box (3) are detachably connected with a top cover (20), the wastewater inlet (5) and the feed opening (17) are arranged on the top cover (20), and the front sides of the filter box (1), the deodorization box (2) and the disinfection box (3) are provided with observation windows (21).

3. The wastewater treatment device for environmental engineering according to claim 1, wherein: the inclination adjusting structure (7) comprises a movable strip (701), a sliding groove (702), a hinge (703), a shifting rod (704) and an arc-shaped groove (705), wherein the inside of the filter box (1) is movably connected with two movable strips (701) through the hinge (703), the sliding groove (702) is formed in the inside of each movable strip (701), the primary filter screen (6) is connected with the sliding groove (702) in a sliding mode, the shifting rod (704) is fixedly connected to the front face of each movable strip (701), the arc-shaped groove (705) is formed in the front face of the filter box (1), and the shifting rod (704) is connected with the arc-shaped groove (705) in a sliding mode.

4. The wastewater treatment device for environmental engineering according to claim 1, wherein: the inner wall of the filter box (1) is fixedly connected with an arc-shaped baffle (22), handles (23) are arranged on the outer surfaces of the movable door (8) and the impurity collecting box (9), and filter frames (24) are arranged at the inlet ends of the first conveying device (12) and the second conveying device (14).

5. The wastewater treatment device for environmental engineering according to claim 1, wherein: the efficient filtering layer (11) comprises an efficient filtering net layer (1101), a filtering sponge layer (1102) and an activated carbon layer (1103), wherein the efficient filtering net layer (1101), the filtering sponge layer (1102) and the activated carbon layer (1103) are sequentially arranged inside the filtering box (1) from top to bottom.

6. The wastewater treatment device for environmental engineering according to claim 1, wherein: the aeration device (13) comprises an aeration pump (1301), a gas collecting pipe (1302) and gas outlets (1303), the aeration pump (1301) is fixedly connected to the lower surface of the deodorization box (2), the gas collecting pipe (1302) is fixedly connected to the inner bottom wall of the deodorization box (2), the aeration pump (1301) is communicated with the gas collecting pipe (1302), the gas outlets (1303) are arranged on the upper surface of the gas collecting pipe (1302), and the aeration pump (1301) is connected with the microprocessor.

7. The wastewater treatment device for environmental engineering according to claim 1, wherein: the stirring device (15) comprises a motor (1501), a rotating shaft (1502), stirring blades (1503) and a bearing (1504), the motor (1501) is arranged at the top of the disinfection box (3), the rotating shaft (1502) is connected to the output end of the motor (1501), the plurality of stirring blades (1503) are fixedly connected to the outer surface of the rotating shaft (1502), the bearing (1504) is arranged at the bottom end of the rotating shaft (1502), and the motor (1501) is connected with the microprocessor.