CN219730601U - Filtering mechanism and wastewater treatment device - Google Patents

Abstract

The utility model discloses a filtering mechanism and a wastewater treatment device, which comprise a first purifying component and a filtering component, wherein the purifying component comprises a containing component and a connecting component, the containing component is communicated with the middle part of the lower end of the connecting component, the filtering component comprises a filtering component and a telescopic component, the filtering component is arranged in the containing component, and the telescopic component is connected with the filtering component. According to the utility model, the wastewater storage tank, the flocculation precipitation tank, the chemical treatment tank and the activated carbon adsorption tank are communicated with each other by virtue of the pipeline and the electromagnetic valve, so that the chemical wastewater of the power plant can quickly pass through the whole treatment process, the treatment efficiency is improved, and the treatment effect of the chemical wastewater of the power plant is improved by the cooperation among the wastewater storage tank, the flocculation precipitation tank, the chemical treatment tank and the activated carbon adsorption tank, so that the chemical wastewater of the power plant is thoroughly treated, and the treated wastewater can be directly collected and utilized.

Description

Filtering mechanism and wastewater treatment device

Technical Field

The utility model relates to the technical field of chemical wastewater treatment of power plants, in particular to a filtering mechanism and a wastewater treatment device.

Background

The water resource shortage in China is a country, the water resource distribution in China is unbalanced, a plurality of northern areas are limited by the water resource shortage, along with the shortage of water resources in China and the improvement of environmental protection requirements, the water resource problem and the environmental problem faced by the power plant are increasingly outstanding, the chemical wastewater treatment process and technology of the power plant are optimized, the wastewater reclamation is realized, and the social benefit and the economic benefit are very profound.

The application number is as follows: the utility model discloses a CN202121376811.3, in particular to the technical field of power plant wastewater treatment, which comprises a base, wherein a cleaning mechanism is arranged at the top of the base and comprises a treatment cylinder, the treatment cylinder is arranged at the top of the base, and a plurality of guide grooves are formed in the inner wall of the treatment cylinder. The utility model has the advantages that the cleaning mechanism is arranged, the design is simple, the operation is convenient, the crystal particles can be stored through the storage cavity and the supporting screen plate while being scraped, the crystal particles are prevented from being scattered, the stability of the scraper during cleaning can be effectively ensured, the use is convenient, the damage of the waste water crystal particles to the device can be effectively reduced, the service life of the device is prolonged, the subsequent waste water treatment effect is increased, and the utility model has good practicability.

A plant wastewater treatment plant similar to the above application currently suffers from the following disadvantages: in the wastewater treatment device of the power plant on the market, in use, the wastewater treatment structure is too single, the wastewater treatment is carried out in a single treatment cylinder, the phenomena of incomplete wastewater treatment and unqualified effect exist, and the filter screen for filtering is difficult to replace, so that the problem of inconvenient maintenance is caused. For this purpose, we propose a filtration mechanism and a wastewater treatment device.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The present utility model has been made in view of the above and/or problems occurring in the prior art filtration mechanisms and wastewater treatment apparatuses.

Therefore, one of the purposes of the utility model is to provide a filtering mechanism which can solve the problems that the waste water treatment structure of the waste water treatment device is too single, the waste water treatment is only carried out in a single treatment cylinder, the waste water treatment is incomplete, the effect is not up to standard, and the filter screen for filtering is difficult to replace, so that the maintenance is inconvenient.

In order to solve the technical problems, the utility model provides the following technical scheme: a filtering mechanism, which comprises a purifying component, a filtering component and a filtering component, wherein the purifying component comprises a containing piece and a connecting piece, and the containing piece is communicated with the middle part of the lower end of the connecting piece; the filter assembly comprises a filter element and a telescopic element, wherein the filter element is arranged inside the accommodating element, and the telescopic element is connected with the filter element.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the holding part comprises a wastewater storage box, a flocculation precipitation box, a chemical treatment box and an activated carbon adsorption box, wherein the wastewater storage box is arranged at the uppermost part, the flocculation precipitation box is arranged below the wastewater storage box, the chemical treatment box is arranged below the flocculation precipitation box, and the activated carbon adsorption box is arranged below the chemical treatment box.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the holding part is provided with a sliding groove, a first opening and a hole, wherein the sliding groove is arranged on four inner side walls of the holding part, the first opening is arranged above the front side of the holding part, the hole is arranged in the middle of the lower end of the holding part, and the connecting part is connected with the opening.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the filter element comprises a limiting frame, a clamping plate and a filter screen, wherein the limiting frame is matched with the inside of the accommodating element, a second opening is formed in the surface close to the first opening, the outer side of the clamping plate is attached to the inner side of the limiting frame, and the periphery of the filter screen is connected with the inner side of the clamping plate.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the limiting frame is characterized in that a clamping block is further arranged on the outer side of the limiting frame, the upper end of the clamping block is a sharp corner, and a gripper is further arranged on the clamping plate close to the second opening side.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the telescopic part includes the hydraulic stem, the connecting rod, the hydraulic stem set up in the below both ends of active carbon adsorption case runs through the active carbon adsorption case and with spacing frame below both ends in the active carbon adsorption case are connected, the connecting rod runs through hold the piece with adjacent two spacing frame is connected, the hydraulic stem still includes the sealing washer set up in the hydraulic stem with active carbon adsorption case runs through the department.

The beneficial effect of this filtering mechanism is: through purifying component and filter component cooperation, purifying component provides the space of each item treatment of waste water, carries out multi-step treatment, and filter component both can filter aquatic impurity, and the crystal that separates out during the chemical treatment can also reciprocate the incrustation scale of handling on the container wall, and filter component removable filter core is convenient clean and maintenance simultaneously.

A second object of the present utility model is to provide a wastewater treatment apparatus which can solve the problems that the wastewater treatment apparatus lacks a multistage purification structure and is inconvenient to move.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a waste water treatment device, includes foretell a filtering mechanism, still includes, main part subassembly, including organism, water inlet, supporting leg, moving member, solenoid valve, the organism set up in filtering mechanism is outside, the water inlet set up in the organism upper end, the supporting leg with the organism bottom both sides are connected, moving member set up in on the supporting leg, the solenoid valve set up in the connecting piece middle part.

As a preferable embodiment of the wastewater treatment apparatus of the present utility model, wherein: the machine body comprises a vertical plate, a partition plate, an opening and closing window and a top plate, wherein the vertical plate is arranged on two sides of the accommodating part, the partition plate is arranged below the accommodating part, the partition plate is connected with the vertical plate, the opening and closing window is arranged on the front side of the accommodating part, the opening and closing window is hinged with one end of the vertical plate, and the top plate is connected with the upper end of the vertical plate.

As a preferable embodiment of the wastewater treatment apparatus of the present utility model, wherein: the movable piece comprises a connecting plate, a movable plate and universal wheels, wherein the connecting plate is fixed on the side face of the supporting leg, the movable plate is positioned below the connecting plate, and the universal wheels are fixed on two sides of the bottom of the movable plate.

As a preferable embodiment of the wastewater treatment apparatus of the present utility model, wherein: the movable part further comprises a threaded rod and a fixed block, the threaded rod is in threaded connection with the connecting plate, the bottom end of the threaded rod is in rotary connection with the movable plate, the fixed block is fixed to the top end of the threaded rod, the movable part further comprises limiting strips, the limiting strips are fixed to two sides of the bottom of the connecting plate, limiting grooves are formed in two sides of the movable plate, and the limiting strips slide in the limiting grooves.

The utility model has the beneficial effects that: this effluent treatment plant, the waste water storage box, flocculation precipitation case, chemistry treatment case and active carbon adsorption case are two liang through pipeline, solenoid valve intercommunication, be convenient for the power plant chemistry waste water is quick through a whole treatment process, improve treatment effeciency, the waste water storage box, flocculation precipitation case, cooperation between chemistry treatment case and the active carbon adsorption case has improved the treatment effect of power plant chemistry waste water, make power plant chemistry waste water treatment comparatively thoroughly, waste water direct collection after the handling of being convenient for utilizes, install the moving part in the bottom simultaneously, the flexibility of improvement mechanism, be convenient for remove to different position work.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is an overall view of a filtration mechanism and a wastewater treatment apparatus.

FIG. 2 is a cross-sectional view of a wastewater treatment plant.

Fig. 3 is a structural view of the receiving member.

Fig. 4 is an exploded view of the filter element.

Fig. 5 is a block diagram of a telescoping assembly.

Fig. 6 is a structural view of the moving member.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 2-4, a first embodiment of the present utility model provides a filter mechanism, a filter mechanism cleaning assembly 100 and a filter assembly 200. The purification module 00 provides a place for wastewater purification, and the filtration module 200 filters impurities and precipitated crystals in the wastewater.

Specifically, the purification assembly 100 comprises a containing member 101 and a connecting member 102, wherein the containing member 101 is communicated with the middle of the lower end of the connecting member 102, the filtering assembly 200 comprises a filtering member 201 and a telescopic member 202, the filtering member 201 is arranged inside the containing member 101, the telescopic member 202 is connected with the filtering member 201, the containing member 101 provides a purification place, the connecting member 102 can use a pipeline to enable waste water to flow into the next purification place after being cleaned by the previous round, the filtering member 201 filters magazines in water, and the telescopic member 202 controls the filtering member to move up and down.

When the device is used, wastewater is poured into the first layer accommodating part 101, after being purified in one layer, the wastewater flows into the next layer accommodating part 101 through the connecting part 102 for continuous purification, each layer of purification is filtered by the filtering part 201, the telescopic part 202 drives the filtering part 201 to move up and down, and scales on the accommodating part 101 and precipitated crystal impurities are scraped off.

Example 2

Referring to fig. 2 to 4, a second embodiment of the present utility model is based on the previous embodiment.

Specifically, the holding member 101 includes a wastewater storage tank 101a, a flocculation precipitation tank 101b, a chemical treatment tank 101c and an activated carbon adsorption tank 101d, the wastewater storage tank 101a is disposed at the uppermost side, the flocculation precipitation tank 101b is disposed below the wastewater storage tank 101a, the chemical treatment tank 101c is disposed below the flocculation precipitation tank 101b, the activated carbon adsorption tank 101d is disposed below the chemical treatment tank 101c, the wastewater storage tank 101a stores wastewater, the flocculation precipitation tank 101b filters the flocculation, the chemical treatment tank 101c adds different chemical agents to purify the wastewater, and the activated carbon adsorption tank 101d filters impurities.

Further, the accommodating member 101 is provided with a chute 101e, a first opening 101f and a hole 101g, the chute 101e is arranged on four inner side walls of the accommodating member 101, the first opening 101f is arranged above the front side of the accommodating member 101, the hole 101g is arranged in the middle of the lower end of the accommodating member 101, the connecting member 102 is connected with the hole 101g, the chute 101e limits the movement position of the filtering member 201, the first opening 101f is used for taking out the subsequent filtering member 201, the hole 101g is connected with the connecting member 102, and waste water flows to the next stage.

Preferably, the filter 201 includes a limiting frame 201a, a clamping plate 201b and a filter screen 201c, the shape of the limiting frame 201a is matched with the inside of the accommodating member 101, a second opening 201a-1 is arranged on the surface close to the first opening 101f, the outer side of the clamping plate 201b is attached to the inner side of the limiting frame 201a, four sides of the filter screen 201c are connected with the inner side of the clamping plate 201b, the limiting frame 201a can fix the positions of the clamping plate 201b and the filter screen 201c, the clamping plate 201a is attached to the inner surface of the accommodating member 101, scales attached to the inner surface can be removed, the clamping plate 201b is used for fixing the filter screen 201c, the filter screen 201c is of a main filtering structure and is responsible for filtering impurities and accommodating scales scraped by the limiting frame 201a, and the second opening 201a-1 is convenient for placing and taking out the clamping plate 201 b.

Specifically, a clamping block 201a-2 is further arranged on the outer side of the limiting frame 201a, the upper end of the clamping block 201a-2 is a sharp angle, a clamping hand 201b-1 is further arranged on the side, close to the second opening 201a-1, of the clamping plate 201b, the clamping block 201a-2 is used for sliding in the sliding groove 101e, the moving direction of the filtering piece 201 is stabilized, the sharp angle is arranged to facilitate scraping of scale in the sliding groove 101e, and the clamping hand 201b-1 facilitates removal of the clamping plate 201b and the filtering screen 201c from the limiting frame 201 a.

Specifically, the expansion piece 202 includes a hydraulic rod 202a, a connecting rod 202b, the hydraulic rod 202a is disposed at two ends below the activated carbon adsorption box 101d, penetrates through the activated carbon adsorption box 101d and is connected with two ends below the limiting frames 201a in the activated carbon adsorption box 101d, the connecting rod 202b penetrates through the accommodating piece 101 and is connected with two adjacent limiting frames 201a, the hydraulic rod 202a further includes a sealing ring 202a-1, the sealing ring is disposed at the penetrating position of the hydraulic rod 202a and the activated carbon adsorption box 101d, the hydraulic rod 202a is responsible for driving the limiting frames 201a to move, the connecting rod 202b can drive all the limiting frames 201a in the accommodating piece 101 to move synchronously, and when penetrating through the accommodating piece 101, the connecting rod 202b has very small gaps with the accommodating piece 101, liquid permeation is difficult to occur, and the sealing ring 202a-1 prevents waste water from penetrating from the bottom of the activated carbon adsorption box 101 d.

When the device is used, a user introduces chemical wastewater from a power plant into the wastewater storage tank 101a, the flocculation precipitation tank 101b, the chemical treatment tank 101c and the activated carbon adsorption tank 101d which are communicated through the connecting piece 102, so that the chemical wastewater from the power plant can pass through the whole treatment process quickly, the treatment efficiency is improved, the treatment effect of the chemical wastewater from the power plant is improved by matching the wastewater storage tank 101a, the flocculation precipitation tank 101b, the chemical treatment tank 101c and the activated carbon adsorption tank 101d, the chemical wastewater from the power plant is thoroughly treated, the treated wastewater is convenient to collect and utilize directly, the flocculation precipitation tank 101b, the chemical treatment tank 101c and the activated carbon adsorption tank 101d are provided with the filter pieces 201, the user can selectively weld different filter screens 201c according to the filtering effects of different treatment tanks, and can drive the filter pieces 201 to slide up and down to scrape scales and crystals on the tank walls through the telescopic pieces 202, and when the filter screens 201c need to be replaced, the filter screens 201c are lifted to the first openings 101f, and the filter screens 201b-1 can be pulled to be taken out for cleaning or replacement.

Example 3

Referring to fig. 1 to 6, in a third embodiment of the present utility model, the apparatus for treating wastewater includes a filtering mechanism, and further includes a main body assembly 300, including a main body 301, a water inlet 302, supporting legs 303, a moving member 304, an electromagnetic valve 305, wherein the main body 301 is disposed outside the filtering mechanism, the water inlet 302 is disposed at an upper end of the main body 301, the supporting legs 303 are connected with two sides of a bottom of the main body 301, the moving member 304 is disposed on the supporting legs 303, the electromagnetic valve 305 is disposed in a middle portion of the connecting member 102, the main body 301 is used for placing the filtering mechanism, the water inlet 302 is used for introducing wastewater, the supporting legs 303 are responsible for stabilizing the apparatus, the moving member 304 can enable the apparatus to move more flexibly, and the electromagnetic valve 305 can adjust a purifying time of each step of wastewater more accurately, so that wastewater treatment is more complete.

Specifically, the machine body 301 includes a vertical plate 301a, a partition 301b, an opening and closing window 301c, a top plate 301d, the vertical plate 301a is disposed on two sides of the accommodating member 101, the partition 301b is disposed below the accommodating member 101, the partition 301b is connected with the vertical plate 301a, the opening and closing window 301c is disposed on the front side of the accommodating member 101, the opening and closing window 301c is hinged with one end of the vertical plate 301a, the top plate 301d is connected with the upper end of the vertical plate 301a, the partition 301a is used for placing and dividing each accommodating member 101, the opening and closing window 301c can be partially observed and partially overhauled by parts, and more dust is prevented from entering the machine body 301 due to the fact that the front end of the machine body 301 is integrally opened.

Further, the moving member 304 includes a connecting plate 304a, a moving plate 304b, universal wheels 304c, the connecting plate 304a is fixed on the side of the supporting leg 303, the moving plate 304b is located below the connecting plate 304a, the universal wheels 304c are fixed on two sides of the bottom of the moving plate 304b, the connecting plate 304a is used for connecting the moving member 304 with the machine body 301, the moving plate 304b can move up and down, when the equipment needs to be moved, the moving plate 304a is pushed down, the two universal wheels 304c are in contact with the ground, the bottom ends of the supporting legs 303 are separated from the ground, and at the moment, the movement of the equipment is more convenient through the universal wheels 304 c.

Further, the moving member 304 further includes a threaded rod 304d and a fixed block 304e, the threaded rod 304d is in threaded connection with the connecting plate 304a, the bottom end of the threaded rod 304d is rotationally connected with the moving plate 304b, the fixed block 304e is fixed at the top end of the threaded rod 304d, when the moving plate 304b needs to move up and down, the moving plate 304b is driven by the manually rotating fixed block 304e and the threaded rod 304d to move up and down through the threaded rod 304d, after the device is moved to a designated position, the universal wheel 304c is separated from the ground, so that the stability of the device is higher when in use, the moving member 304 further includes a limit bar 304f, the fixed bar 304f is fixed at two sides of the bottom of the connecting plate 304a, limit grooves 304b-1 are formed at two sides of the moving plate 304b, the limit bar 304f slides in the limit grooves 304b-1, and the limit bars 304f and the limit grooves 304b-1 are used for limiting the moving plate 304b, so as to avoid the displacement in the up and down movement process, and the stability in the moving process is prevented.

When the device is used, firstly, a user can selectively open a certain opening and closing window 301c to carry out local observation and local part maintenance of a filtering mechanism, the situation that more dust enters the machine 301 due to the fact that the front end of the machine 301 is integrally opened is avoided, when the device needs to be moved, the movable plate 304b is driven to move downwards by the manual rotation fixing block 304e and the threaded rod 304d through the threaded rod 304d until the universal wheel 304c is in contact with the ground, the supporting legs 303 are separated from the ground, at the moment, the device is enabled to move more conveniently through the universal wheel 304c, after the device is moved to a designated position, the threaded rod 304d drives the movable plate 304b to move upwards, so that the universal wheel 304c is separated from the ground, after the designated position is reached, the user introduces chemical wastewater from the water inlet 302 into the wastewater storage box 101a, the flocculation sedimentation box 101b, the chemical treatment box 101c is communicated with the activated carbon adsorption box 101d through the connecting piece 102, the whole treatment process is facilitated, the treatment efficiency is improved, the wastewater storage box 101a, the flocculation sedimentation box 101b, the chemical treatment box 101c and the activated carbon adsorption box 101d are matched with the ground, the filter screen 201c is removed, the filter screen 201 f can be directly cleaned or the filter screen 201 f is removed, the filter screen 201c can be removed, the filter element 201 is directly, and the filter element is cleaned, and the filter element is changed, and the filter element is directly, and the filter element is placed inside the filter element, and the filter element is changed, and the filter case 201, and the filter element is 201 is directly has the filter and the filter case and the filter element is subjected to be 201.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (7)

1. A filtering mechanism, characterized in that: comprising the steps of (a) a step of,

the purifying assembly (100) comprises a containing piece (101) and a connecting piece (102), wherein the containing piece (101) is communicated with the middle part of the lower end of the connecting piece (102);

the filter assembly (200) comprises a filter element (201) and a telescopic element (202), wherein the filter element (201) is arranged inside the accommodating element (101), and the telescopic element (202) is connected with the filter element (201);

the accommodating part (101) comprises a wastewater storage tank (101 a), a flocculation precipitation tank (101 b), a chemical treatment tank (101 c) and an activated carbon adsorption tank (101 d), wherein the wastewater storage tank (101 a) is arranged at the uppermost part, the flocculation precipitation tank (101 b) is arranged below the wastewater storage tank (101 a), the chemical treatment tank (101 c) is arranged below the flocculation precipitation tank (101 b), and the activated carbon adsorption tank (101 d) is arranged below the chemical treatment tank (101 c);

the accommodating part (101) is provided with a sliding groove (101 e), a first opening (101 f) and a hole (101 g), the sliding groove (101 e) is arranged on four inner side walls of the accommodating part (101), the first opening (101 f) is arranged above the front side of the accommodating part (101), the hole (101 g) is arranged in the middle of the lower end of the accommodating part (101), and the connecting part (102) is connected with the hole (101 g);

the filter element (201) comprises a limiting frame (201 a), a clamping plate (201 b) and a filter screen (201 c), wherein the shape of the limiting frame (201 a) is matched with that of the inside of the accommodating element (101), a second opening (201 a-1) is arranged on the surface close to the first opening (101 f), the outer side of the clamping plate (201 b) is attached to the inner side of the limiting frame (201 a), and four sides of the filter screen (201 c) are connected with the inner side of the clamping plate (201 b).

2. The filter mechanism of claim 1, wherein: the clamping block (201 a-2) is further arranged on the outer side of the limiting frame (201 a), the upper end of the clamping block (201 a-2) is a sharp corner, and the clamping plate (201 b) is further provided with a grip (201 b-1) close to the side of the second opening (201 a-1).

3. The filter mechanism of claim 2, wherein: the expansion piece (202) comprises a hydraulic rod (202 a) and a connecting rod (202 b), the hydraulic rod (202 a) is arranged at two ends below the activated carbon adsorption box (101 d), penetrates through the activated carbon adsorption box (101 d) and is connected with two ends below a limit frame (201 a) in the activated carbon adsorption box (101 d), the connecting rod (202 b) penetrates through the accommodating piece (101) and is connected with two adjacent limit frames (201 a),

the hydraulic rod (202 a) further comprises a sealing ring (202 a-1), and the sealing ring (202 a-1) is arranged at the penetrating position of the hydraulic rod (202 a) and the activated carbon adsorption box (101 d).

4. A wastewater treatment device, characterized in that: comprising the filter mechanism according to any one of claims 1 to 3, further comprising,

main part subassembly (300), including organism (301), water inlet (302), supporting leg (303), remove piece (304), solenoid valve (305), organism (301) set up in filtering mechanism is outside, water inlet (302) set up in organism (301) upper end, supporting leg (303) with organism (301) bottom both sides are connected, remove piece (304) set up in on supporting leg (303), solenoid valve (305) set up in connecting piece (102) middle part.

5. The wastewater treatment apparatus according to claim 4, wherein: organism (301) including riser (301 a), baffle (301 b), window (301 c) opens and shuts, roof (301 d), riser (301 a) set up in hold piece (101) both sides, baffle (301 b) set up in hold piece (101) below, baffle (301 b) with riser (301 a) are connected, window (301 c) open and shut set up in hold piece (101) front side, window (301 c) open and shut with riser (301 a) one end articulates, roof (301 d) with riser (301 a) upper end is connected.

6. The wastewater treatment apparatus according to claim 5, wherein: the movable piece (304) comprises a connecting plate (304 a), a movable plate (304 b) and universal wheels (304 c), wherein the connecting plate (304 a) is fixed on the side face of the supporting leg (303), the movable plate (304 b) is located below the connecting plate (304 a), and the universal wheels (304 c) are fixed on two sides of the bottom of the movable plate (304 b).

7. The wastewater treatment apparatus according to claim 6, wherein: the moving part (304) further comprises a threaded rod (304 d) and a fixed block (304 e), the threaded rod (304 d) is in threaded connection with the connecting plate (304 a), the bottom end of the threaded rod is in rotary connection with the moving plate (304 b), the fixed block (304 e) is fixed at the top end of the threaded rod (304 d),

the moving part (304) further comprises a limiting strip (304 f) which is fixed on two sides of the bottom of the connecting plate (304 a), limiting grooves (304 b-1) are formed in two sides of the moving plate (304 b), and the limiting strip (304 f) slides in the limiting grooves (304 b-1).