Sewage treatment device
By setting a pollution box at the bottom of the filter basket of the sewage treatment device, the problem of the oil seaming basket is easy to block and the accumulation of odor accumulation, and the normality of the sewage filtration is reduced.
Patent Information
- Application Number
- CN202420290605.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-08
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-02-08
AI Technical Summary
When treating catering sewage, the oil barrier filter basket is prone to clogging and will emit a large amount of odor after long-term use.
Design a sewage treatment device, including the shell, the filter basket set and the detachable dirt box. Set the dirt box at the bottom of the filter basket, so that the dirt particles are flushed to the bottom of the filter basket and temporarily exist in the dirt box to prevent blockage and odor accumulation.
Effectively prevent dirt particles from blocking the filter basket, keeping the sewage filtration normally, reducing the smell of smell, and improving the efficiency of sewage treatment.
Smart Images
Figure CN222400396U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of catering wastewater treatment, and in particular to a wastewater treatment device. Background Art
[0002] Catering wastewater contains a lot of oil, dirt particles, odor, etc., so it needs to be treated with special equipment. In the relevant technology, oil filter baskets are used to filter and treat catering wastewater.
[0003] However, when using the grease filter basket, various dirt particles in the catering sewage will adhere to the surface of the grease filter basket, which will cause blockage after long-term use, resulting in the sewage being unable to be filtered normally; and the dirt particles attached to the surface of the grease filter basket for a long time will also emit a lot of odor. Utility Model Content
[0004] In view of the above problems, an embodiment of the present application provides a sewage treatment device to solve the problems of abnormal filtration and odor accumulation in the treatment of catering sewage in the related art.
[0005] In order to achieve the above objectives, the embodiments of the present application provide the following technical solutions:
[0006] The embodiment of the present application provides a sewage treatment device, which includes a shell, a filter basket and a sewage box, the shell includes a sewage inlet and a sewage outlet, and the sewage inlet is located above the sewage outlet in the vertical direction, the filter basket is fixedly arranged in the shell, and the filter basket is located between the sewage inlet and the sewage outlet; the filter basket has an opening, the opening faces the sewage inlet, and the opening is connected to the sewage inlet; the filter basket is inclined along a first horizontal direction, the filter basket includes a first outer wall and a second outer wall, and the first outer wall is higher than the second outer wall in the vertical direction; the sewage box is detachably arranged in the shell, and the sewage box is located between the sewage inlet and the sewage outlet, and the sewage box is arranged close to the second outer wall, and the second outer wall has a through hole, and the through hole is connected to the sewage inlet of the sewage box.
[0007] In one achievable manner, the opening is disposed close to the first outer wall.
[0008] In one achievable manner, the filter basket further includes a third outer wall, a fourth outer wall and a bottom wall, the third outer wall and the fourth outer wall are arranged opposite to each other along a second horizontal direction, the bottom wall intersects with the first outer wall, the second outer wall, the third outer wall and the fourth outer wall; and a plurality of hollow holes are arranged on the bottom wall, the third outer wall and the fourth outer wall.
[0009] In one achievable manner, the through hole of the second outer wall is arranged at the intersection of the bottom wall and the second outer wall.
[0010] In one feasible manner, the sewage treatment device also includes a transition block, which is arranged in the filter basket and can rotate around a second horizontal axis in the filter basket; the transition block has a receiving groove, the notch of the receiving groove faces the sewage inlet, and the notch is connected to the sewage inlet; the transition block is provided with a counterweight block near the bottom of the second outer wall, and the receiving groove is provided with a guiding slope in the direction close to the first outer wall.
[0011] In one achievable manner, a first rotating shaft extending along the second horizontal direction is provided on the filter basket, the transition block is rotatably connected to the first rotating shaft, and the transition block can rotate around the first rotating shaft.
[0012] In one achievable manner, the sewage treatment device also includes a stabilizing member, which is arranged in the shell, and the stabilizing member includes a first vertical rod, a second vertical rod and a cross rod, the first vertical rod and the second vertical rod are arranged opposite to each other along the second horizontal direction, and the cross rod extends along the second horizontal direction; the cross rod is fixedly arranged in the shell, one end of the first vertical rod and one end of the second vertical rod are vertically connected to the cross rod, the other end of the first vertical rod and the other end of the second vertical rod extend toward the sewage inlet, and the filter basket is located in a space surrounded by the first vertical rod, the second vertical rod and the cross rod; the stabilizing member also includes a second rotating shaft extending along the second horizontal direction, the second rotating shaft is fixedly connected to the other end of the first vertical rod and the other end of the second vertical rod; the transition block is rotatably connected to the second rotating shaft, and the transition block can rotate around the second rotating shaft.
[0013] In one feasible manner, the shell includes a top plate, a bottom plate and a side plate, the top plate and the bottom plate are arranged opposite to each other along the vertical direction, and the top plate, the bottom plate and the side plates together form the shell; the top plate is provided with the sewage inlet, and the side plate is provided with the sewage outlet; the bottom plate is provided with a mud accumulation trough, and the bottom of the mud accumulation trough is provided with a sewage outlet.
[0014] In a feasible manner, the top plate is further provided with an openable and closable closed door, the dirt box is vertically arranged below the openable and closable closed door, and the dirt box can be moved along the openable and closable closed door to the outside of the shell.
[0015] In one practicable manner, the outer wall surface of the waste box is provided with hollow holes.
[0016] The embodiment of the present application provides a sewage treatment device, which includes a housing, a filter basket and a dirt box. The housing includes a sewage inlet and a sewage outlet, the sewage inlet is above the sewage outlet, the filter basket is arranged in the housing, the dirt box is detachably arranged in the housing, and the filter basket and the dirt box are both located between the sewage inlet and the sewage outlet; the filter basket has an opening facing the sewage inlet, and the opening is connected to the sewage inlet; the filter basket is inclined, and the filter basket includes a first outer wall and a second outer wall, and the first outer wall is higher than the second outer wall; the dirt box is arranged close to the second outer wall, and the second outer wall has a through hole connected to the sewage inlet of the dirt box. By adding a dirt box at the bottom of the inclined filter basket, the dirt particles are flushed to the bottom of the filter basket and temporarily stored in the dirt box, so as to prevent the dirt particles from clogging the filter basket, and solve the technical problems of abnormal water flow and the emission of a large amount of odor. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0018] Figure 1 A schematic diagram of the external three-dimensional structure of a sewage treatment device provided in an embodiment of the present application;
[0019] Figure 2 A schematic diagram of the external and internal three-dimensional structure of a sewage treatment device provided in an embodiment of the present application;
[0020] Figure 3 A front view of a sewage treatment device provided in an embodiment of the present application;
[0021] Figure 4 A schematic diagram of the structure of a filter basket of a sewage treatment device provided in an embodiment of the present application;
[0022] Figure 5 Schematic diagram of the connection structure between the transition block and the filter basket of the sewage treatment device provided in the embodiment of the present application Figure 1 ;
[0023] Figure 6 Schematic diagram of the connection structure between the transition block and the filter basket of the sewage treatment device provided in the embodiment of the present application Figure 2 ;
[0024] Figure 7 A schematic diagram of the structure of a waste tank of a sewage treatment device provided in an embodiment of the present application.
[0025] Reference numerals:
[0026] 100: housing;
[0027] 101: sewage inlet; 102: sewage outlet; 103: top plate; 104: bottom plate; 105: side plate; 106: mud trough; 107: sewage outlet; 108: openable and closable closed door;
[0028] 200: filter basket;
[0029] 201: first outer wall; 202: second outer wall; 203: third outer wall; 204: fourth outer wall; 205: bottom wall; 206: first rotation axis;
[0030] 2021: Through hole;
[0031] 300: Dirt tank;
[0032] 400: Transition block;
[0033] 401: receiving slot; 402: counterweight block;
[0034] 500: Stabilizing parts;
[0035] 501: first vertical bar; 502: horizontal bar. DETAILED DESCRIPTION
[0036] As described in the background technology, the related technology has the problem of abnormal filtration and odor accumulation during the treatment of catering wastewater. The inventors have found that the reason for this problem is that catering wastewater contains a large amount of oil and dirt particles. When a grease filter basket is used to filter the catering wastewater, various dirt particles will adhere to and accumulate on the surface of the grease filter basket. Long-term use will cause blockage of the grease filter basket, resulting in the inability to filter the sewage normally; and the dirt particles attached to the surface of the grease filter basket for a long time will also emit a lot of odor.
[0037] In response to the above technical problems, an embodiment of the present application provides a sewage treatment device, which adds a dirt box at the bottom of an inclined filter basket so that dirt particles are flushed to the bottom of the filter basket and temporarily stored in the dirt box, thereby preventing dirt particles from clogging the filter basket and solving the technical problems of abnormal water flow and the emission of a large amount of odor.
[0038] In order to make the above-mentioned purposes, features and advantages of the embodiments of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of this application.
[0039] The present application provides a sewage treatment device, referring to Figure 1-Figure 3 , Figure 1 This is a schematic diagram of the external three-dimensional structure of the sewage treatment device provided in the embodiment of the present application. Figure 2 This is a schematic diagram of the external and internal three-dimensional structure of the sewage treatment device provided in the embodiment of the present application. Figure 3 This is a front view of the sewage treatment device provided in an embodiment of the present application.
[0040] The sewage treatment device comprises a housing 100, a filter basket 200 and a sewage tank 300. The housing 100 comprises a sewage inlet 101 and a sewage outlet 102. Figure 1-Figure 3 The sewage inlet 101 is located above the sewage outlet 102, and the catering sewage to be treated enters the shell 100 through the sewage inlet 101. After filtering in the shell 100, sewage and dirt particles will be obtained, and the sewage will be discharged from the shell 100 through the sewage outlet 102.
[0041] The filter basket 200 is fixedly disposed in the shell 100, and the filter basket 200 is located between the sewage inlet 101 and the sewage outlet 102. The filter basket 200 has an opening, the opening faces the sewage inlet 101, and the opening is connected to the sewage inlet 101; that is, the catering sewage entering the shell 100 will flow into the filter basket 200 through the opening for filtration.
[0042] The filter basket 200 is arranged along a first horizontal direction ( Figure 1-Figure 3 The filter basket 200 includes a first outer wall 201 and a second outer wall 202, and is tilted in the vertical direction ( Figure 1-Figure 3 ), the first outer wall 201 is higher than the second outer wall 202. The waste box 300 is detachably arranged in the housing 100, and the waste box 300 is located between the sewage inlet 101 and the sewage outlet 102; and the waste box 300 is arranged close to the second outer wall 202, and the second outer wall 202 also has a through hole 2021, and the through hole 2021 is connected to the sewage inlet 301 of the waste box 300. In other words, after the catering sewage flows into the filter basket 200, the obtained sewage flows out of the filter basket 200 under the action of its own gravity and is temporarily stored in the housing 100, and the obtained dirt particles will be flushed to the second outer wall 202 along with the inclined filter basket 200, and enter the waste box 300 through the through hole 2021 set on the second outer wall 202, thereby temporarily stored in the waste box 300.
[0043] The present application provides a sewage treatment device, which includes a housing 100, a filter basket 200 and a sewage box 300. The housing 100 includes a sewage inlet 101 and a sewage outlet 102. Figure 1-Figure 3), the sewage inlet 101 is located above the sewage outlet 102, the filter basket 200 is fixedly arranged in the housing 100, and the filter basket 200 is located between the sewage inlet 101 and the sewage outlet 102; the filter basket 200 has an opening, the opening faces the sewage inlet 101, and the opening is connected to the sewage inlet 101; the filter basket 200 is arranged along the first horizontal direction ( Figure 1-Figure 3 The filter basket 200 is tilted (in the horizontal direction shown in the figure), the filter basket 200 includes a first outer wall 201 and a second outer wall 202, and in the vertical direction, the first outer wall 201 is higher than the second outer wall 202; the dirt box 300 is detachably arranged in the housing 100, and the dirt box 300 is located between the sewage inlet 101 and the sewage outlet 102, and the dirt box 300 is arranged close to the second outer wall 202, and the second outer wall 202 has a through hole 2021, and the through hole 2021 is connected to the sewage inlet 301 of the dirt box 300. By adding a dirt box 300 at the bottom of the tilted filter basket 200, the dirt particles are flushed to the bottom of the filter basket 200 and temporarily stored in the dirt box 300, so as to prevent the dirt particles from clogging the filter basket 200, and solve the technical problems of abnormal water flow and large amount of odor.
[0044] In the embodiment of the present application, the opening is arranged close to the first outer wall 201 to ensure that the dirt particles carried in the catering sewage flowing into the filter basket 200 are flushed from the first outer wall 201 to the second outer wall 202, that is, the bottom of the filter basket 200.
[0045] refer to Figure 4 , Figure 4 Schematic diagram of the structure of the filter basket of the sewage treatment device provided in the embodiment of the present application; in the embodiment of the present application, the filter basket 200 also includes a third outer wall 203, a fourth outer wall 204 and a bottom wall 205, and the third outer wall 203 and the fourth outer wall 204 are arranged along the second horizontal direction ( Figure 4 The bottom wall 205 is arranged relatively to the sewage outlet 102, and the bottom wall 205 intersects with the first outer wall 201, the second outer wall 202, the third outer wall 203 and the fourth outer wall 204, thereby enclosing the filter basket 200.
[0046] Among them, the third outer wall 203, the fourth outer wall 204 and the bottom wall 205 are all provided with a plurality of hollow holes to achieve the filtration of catering sewage; the hollow holes can be circular through holes, and the number, diameter and arrangement of the circular through holes can be set according to actual conditions.
[0047] Continue to refer Figure 3 and Figure 4 In the embodiment of the present application, the through hole 2021 of the second outer wall 202 is arranged at the intersection of the bottom wall 205 and the second outer wall 202, so that the position of the through hole 2021 is located at the bottom of the filter basket 200, thereby preventing dirt particles from being deposited in the filter basket 200.
[0048] Continue to refer Figure 2 , Figure 3 and Figure 5 , Figure 5 Schematic diagram of the connection structure between the transition block and the filter basket of the sewage treatment device provided in the embodiment of the present application Figure 1 In the embodiment of the present application, the sewage treatment device further comprises a transition block 400, which is disposed in the filter basket 200 and is capable of rotating around a second horizontal axis ( Figure 3 The transition block 400 is provided with a receiving groove 401, the notch of which faces the sewage inlet 101, and the notch is connected to the sewage inlet 101; that is, the catering sewage entering the shell 100 first flows through the notch into the receiving groove 401 of the transition block 400 for temporary storage.
[0049] The transition block 400 is also provided with a counterweight block 402 at the bottom near the second outer wall 202, so that in the initial state, the transition block 400 is tilted toward the second outer wall 202 as a whole (that is, Figure 3 The receiving tank 401 is provided with a guiding slope 403 in the direction close to the first outer wall 201. When the catering sewage flows into the receiving tank 401 of the transition block 400 and the weight reaches a certain value (much greater than the counterweight block 402), the guiding slope 403 will be inclined toward the direction of the first outer wall 201 (that is, Figure 3 and Figure 5 ), the catering sewage temporarily stored in the receiving tank 401 of the transition block 400 will flow into the filter basket 200 through the guiding slope 403 and approach the first outer wall 201, thereby achieving a rapid flushing effect.
[0050] Continue to refer Figure 4 In the embodiment of the present application, the filter basket 200 is provided with a second horizontal direction ( Figure 4 The transition block 400 is rotatably connected to the first rotation axis 206, and the transition block 400 can rotate around the first rotation axis 206. Ensure that the transition block 400 is rotatably arranged in the filter basket 200.
[0051] Continue to refer Figure 2 , Figure 3 and Figure 6 , Figure 6 Schematic diagram of the connection structure between the transition block and the filter basket of the sewage treatment device provided in the embodiment of the present application Figure 2 In the embodiment of the present application, the sewage treatment device further includes a stabilizing member 500, which is disposed in the housing 100. The stabilizing member 500 includes a first vertical rod 501, a second vertical rod and a horizontal rod 502. The first vertical rod 501 and the second vertical rod are arranged along the second horizontal direction ( Figure 3 and Figure 6 The first vertical rod 501 and the second vertical rod 502 are respectively arranged in a front and rear horizontal direction (shown in the figure), and the cross bar 502 extends along the second horizontal direction; the cross bar 502 is fixedly arranged in the shell 100, one end of the first vertical rod 501 and one end of the second vertical rod are vertically connected to the cross bar 502, and the other end of the first vertical rod 501 and the other end of the second vertical rod extend toward the sewage inlet 101, and the first vertical rod 501, the second vertical rod and the cross bar 502 jointly enclose a accommodating space, and the filter basket 200 is located in the space.
[0052] The stabilizing member 500 further includes a second horizontal direction ( Figure 3 and Figure 6 The second rotating shaft extends in the front and rear horizontal direction (shown in FIG. 1 ), and the second rotating shaft is fixedly connected to the other end of the first vertical rod 501 and the other end of the second vertical rod; the transition block 400 is rotatably connected to the second rotating shaft, and the transition block 400 can rotate around the second rotating shaft. Ensure that the transition block 400 is rotatably arranged in the filter basket 200.
[0053] Continue to refer Figure 2 and Figure 3 In the embodiment of the present application, the housing 100 includes a top plate 103, a bottom plate 104 and a side plate 105. The top plate 103 and the bottom plate 104 are arranged in a vertical direction ( Figure 3 The top plate 103 and the bottom plate 104 may be horizontal plates, and the side plates 105 may be vertical plates. The top plate 103, the bottom plate 104 and the side plates 105 are jointly arranged to form the housing 100.
[0054] The top plate 103 is provided with a sewage inlet 101, and the side plate 105 is provided with a sewage outlet 102; the bottom plate 104 is also provided with a mud trough 106, and the bottom of the mud trough 106 is provided with a sewage outlet 107. The sewage filtered by the filter basket 200 will be accumulated in the shell, and the fine particles remaining in the sewage will be deposited in the mud trough 106 by their own gravity, and discharged from the shell 100 through the sewage outlet 107; the sewage that has been treated twice will be discharged from the shell 100 through the sewage outlet 102 provided on the side plate 105.
[0055] Continue to refer Figure 1-Figure 3 In the embodiment of the present application, the top plate 103 is also provided with an openable and closable closed door 108, and the dirt box 300 is vertically ( Figure 3 The dirt box 300 is arranged below the openable and closable closed door 108 (in the vertical direction shown in FIG), and the dirt box 300 can be moved outside the housing 100 along the openable and closable closed door 108. To clean the dirt box 300 and avoid odor accumulation.
[0056] refer to Figure 7 , Figure 7A schematic diagram of the structure of a sewage treatment device provided in an embodiment of the present application; in the embodiment of the present application, the outer wall surface of the sewage treatment device 300 is provided with a plurality of hollow holes to achieve secondary water filtration of the sewage particles; the hollow holes can be circular through holes, and the number, diameter and arrangement of the circular through holes can be set according to actual conditions.
[0057] In summary, the embodiment of the present application provides a sewage treatment device, which includes a housing 100, a filter basket 200 and a sewage tank 300. The housing 100 includes a sewage inlet 101 and a sewage outlet 102. Figure 1-Figure 3 ), the sewage inlet 101 is located above the sewage outlet 102, the filter basket 200 is fixedly arranged in the housing 100, and the filter basket 200 is located between the sewage inlet 101 and the sewage outlet 102; the filter basket 200 has an opening, the opening faces the sewage inlet 101, and the opening is connected to the sewage inlet 101; the filter basket 200 is arranged along the first horizontal direction ( Figure 1-Figure 3 The filter basket 200 is tilted (in the horizontal direction shown in the figure), the filter basket 200 includes a first outer wall 201 and a second outer wall 202, and in the vertical direction, the first outer wall 201 is higher than the second outer wall 202; the dirt box 300 is detachably arranged in the housing 100, and the dirt box 300 is located between the sewage inlet 101 and the sewage outlet 102, and the dirt box 300 is arranged close to the second outer wall 202, and the second outer wall 202 has a through hole 2021, and the through hole 2021 is connected to the sewage inlet 301 of the dirt box 300. By adding a dirt box 300 at the bottom of the tilted filter basket 200, the dirt particles are flushed to the bottom of the filter basket 200 and temporarily stored in the dirt box 300, so as to prevent the dirt particles from clogging the filter basket 200, and solve the technical problems of abnormal water flow and large amount of odor.
[0058] The various embodiments or implementation methods in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referenced to each other.
[0059] It should be noted that the phrases "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include certain features, structures or characteristics, but not every embodiment may include the certain features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing certain features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments, whether explicitly or not explicitly described.
[0060] In general, terms should be understood, at least in part, by the context in which they are used. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending, at least in part, on the context. Similarly, terms such as "a," "an," or "the" may also be understood to convey singular usage or to convey plural usage, depending, at least in part, on the context.
[0061] It should be easily understood that “on,” “above,” and “over” in the present disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” not only includes the meaning of “above” or “over,” but also may include the meaning of “above” or “over something” with no intervening features or layers therebetween (i.e., directly on something).
[0062] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.
[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A sewage treatment device, characterized in that: It comprises a shell, a filter basket and a waste box, the shell comprises a sewage inlet and a sewage outlet, in the vertical direction, the sewage inlet is located above the sewage outlet, the filter basket is fixedly arranged in the shell, and the filter basket is located between the sewage inlet and the sewage outlet; The filter basket has an opening, the opening faces the sewage inlet, and the opening is in communication with the sewage inlet; The filter basket is tilted along a first horizontal direction, and the filter basket comprises a first outer wall and a second outer wall, and along the vertical direction, the first outer wall is higher than the second outer wall; The dirt box is detachably arranged in the shell, and the dirt box is located between the sewage inlet and the sewage outlet. The dirt box is arranged close to the second outer wall, and the second outer wall has a through hole, and the through hole is connected to the dirt inlet of the dirt box.
2. The sewage treatment device according to claim 1, characterized in that: The opening is disposed close to the first outer wall.
3. The sewage treatment device according to claim 1, characterized in that: The filter basket further comprises a third outer wall, a fourth outer wall and a bottom wall, wherein the third outer wall and the fourth outer wall are arranged opposite to each other along a second horizontal direction, and the bottom wall intersects with the first outer wall, the second outer wall, the third outer wall and the fourth outer wall; The bottom wall, the third outer wall and the fourth outer wall are each provided with a plurality of hollow holes.
4. The sewage treatment device according to claim 3, characterized in that: The through hole of the second outer wall is arranged at the intersection of the bottom wall and the second outer wall.
5. The sewage treatment device according to claim 3, characterized in that: The sewage treatment device further comprises a transition block, which is disposed in the filter basket and is capable of rotating around a second horizontal axis in the filter basket; The transition block has a receiving groove, the notch of the receiving groove faces the sewage inlet, and the notch is in communication with the sewage inlet; A counterweight block is arranged at the bottom of the transition block close to the second outer wall, and a guiding slope is arranged at the direction of the accommodating groove close to the first outer wall.
6. The sewage treatment device according to claim 5, characterized in that: The filter basket is provided with a first rotating shaft extending along the second horizontal direction, the transition block is rotatably connected to the first rotating shaft, and the transition block can rotate around the first rotating shaft.
7. The sewage treatment device according to claim 5, characterized in that: The sewage treatment device further comprises a stabilizing member, which is disposed in the housing, and comprises a first vertical rod, a second vertical rod and a cross rod, wherein the first vertical rod and the second vertical rod are disposed opposite to each other along the second horizontal direction, and the cross rod extends along the second horizontal direction; The cross bar is fixedly arranged in the housing, one end of the first vertical bar and one end of the second vertical bar are vertically connected to the cross bar, the other end of the first vertical bar and the other end of the second vertical bar extend toward the sewage inlet, and the filter basket is located in a space surrounded by the first vertical bar, the second vertical bar and the cross bar; The stabilizing member further comprises a second rotation axis extending along the second horizontal direction, the second rotation axis being fixedly connected to the other end of the first vertical rod and the other end of the second vertical rod; The transition block is rotatably connected to the second rotation axis, and the transition block can rotate around the second rotation axis.
8. The sewage treatment device according to claim 1, characterized in that: The shell comprises a top plate, a bottom plate and side plates, the top plate and the bottom plate are arranged opposite to each other along the vertical direction, and the top plate, the bottom plate and the side plates are jointly arranged to form the shell; The top plate is provided with the sewage inlet, and the side plate is provided with the sewage outlet; The bottom plate is provided with a mud accumulation groove, and the bottom of the mud accumulation groove is provided with a sewage outlet.
9. The sewage treatment device according to claim 8, characterized in that: The top plate is also provided with an openable and closable closed door, the dirt box is arranged below the openable and closable closed door in a vertical direction, and the dirt box can be moved to the outside of the shell along the openable and closable closed door.
10. The sewage treatment device according to claim 1, characterized in that: The outer wall surface of the dirt box is provided with hollow holes.