Recyclable car washing sewage treatment system

Abstract

The utility model discloses a recyclable car washing sewage treatment system, which relates to the field of car washing sewage treatment and comprises a box body, a front door plate is hinged on the front side of the box body, a first-layer partition plate and a second-layer partition plate are fixedly connected in the box body, the upper end of the second-layer partition plate is fixedly connected with a first-stage filtering device body, and the lower end of the second-layer partition plate is fixedly connected with a second-stage filtering device body. A first-stage filtering device water inlet hole, a first-stage filtering device water outlet hole and a first-stage filtering device sewage discharge hole are formed in the outer side of the first-stage filtering device body; the first-stage filtering device water inlet hole is formed in the middle of the right side of the first-stage filtering device body. By the adoption of the structure, particulate pollutants can be deposited at the bottom of the first-stage filtering device body under the action of stratified filtering and gravity of the filter screen, the particulate pollutants can be discharged through the first-stage filtering device sewage discharging hole in the bottom during cleaning, and water subjected to primary filtering is discharged to the second-stage filtering device body from the water outlet caliber water discharging pipe on the top.

Description

Technical Field

[0001] The utility model belongs to the field of car wash sewage treatment, and particularly relates to a car wash sewage treatment system which can be recycled. Background Art

[0002] With the development of the automobile industry, the automotive aftermarket has also flourished. As a part of the automotive aftermarket, the car wash industry has also continued to grow and develop in recent years. Car wash wastewater contains acidic or alkaline solutions such as car wash liquid, as well as oily substances, rotten branches and leaves, sand and soil particles. Currently, the most commonly used method for treating this type of wastewater on the market is to build an underground three-level sand settling tank, conduct multi-stage sedimentation and then discharge it. Although this method removes a large part of the larger particles of pollutants from the treated water, organic matter and bacteria still exist in the water. The treated water still has a strong odor and is still polluting to a certain extent. At the same time, this part of the water resources is not fully utilized. How to effectively treat car wash wastewater and realize its recycling is an issue that we urgently need to solve. Utility Model Content

[0003] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a car wash wastewater treatment system that can be recycled to solve the above problems.

[0004] The above technical objectives of the utility model are achieved through the following technical solutions:

[0005] A car wash sewage treatment system that can be recycled includes a box body, a front door panel is hinged on the front of the box body, a display screen, a start button, an end button, a pause button and a cleaning button are fixedly connected to the front of the front door panel, an electrical control box is fixedly connected to the back of the front door panel, a first-layer partition plate and a second-layer partition plate are fixedly connected to the inside of the box body, a first-level filter device body is fixedly connected to the upper end of the second-layer partition plate, a first-level filter device water inlet hole, a first-level filter device water outlet hole and a first-level filter device sewage discharge hole are opened on the outer side of the first-level filter device body, the first-level filter device water inlet hole is located in the middle of the right side of the first-level filter device body, the first-level filter device water outlet hole is located on both sides of the upper end of the first-level filter device body and is symmetrically distributed, and the first-level filter device body is provided with a filter device. The drain hole is located at the bottom right side of the primary filter device body, the upper end of the water inlet hole of the primary filter device is fixedly connected with the first leaking baffle and the second leaking baffle, the top of the primary filter device body is fixedly connected with a sealing plate, the upper end of a layer of partition plate is fixedly connected with the secondary filter device body, the outer side of the secondary filter device body is provided with a secondary filter device water inlet hole, a secondary filter device water outlet hole and a secondary filter device drain hole, the secondary filter device water inlet hole is located at the middle position of the bottom of the left and right sides of the secondary filter device body and is symmetrically distributed, the secondary filter device water outlet hole is located at the left top of the secondary filter device body, the secondary filter device drain hole is located at the right bottom of the secondary filter device body, and the upper end of the secondary filter device water inlet is fixedly connected with a third filter. A leaking baffle and a fourth leaking baffle, a sealing cover is arranged on the top of the secondary filter device body, a water box body is fixedly connected to the inner upper end of the box body, a liquid level sensor is fixedly connected to the inner part of the water box body, a first switch valve is arranged on the outer side of the water inlet hole of the primary filter device, a pre-filter is fixedly connected to the first switch valve, a second switch valve is arranged on the outer side of the water inlet hole of the secondary filter device, the second switch valve is connected to the first live joint, a fourth switch valve is arranged outside the sewage hole of the primary filter device, the fourth switch valve is connected to the fourth live joint, a third switch valve is arranged outside the sewage hole of the secondary filter device, the third switch valve is connected to the second live joint, a water pump is fixedly connected to the inner part of the box body, one end of the water pump is fixedly connected to the third live joint, and the other end of the third live joint is fixedly connected to the inlet A water main pipe, a drain pipe is fixedly connected to the lower end of the primary filter device body, the primary filter device body and the secondary filter device body are connected through the drain pipe, a water tank water inlet hole is arranged on the top of the water box body, a water outlet is arranged on the right bottom of the water box body, a total water inlet and a total sewage outlet are arranged on the right bottom of the box body, a cleaning button is arranged on the inner side of the front door panel, the upper ends of the second-layer partition plate and the first-layer partition plate are fixedly connected with the primary filter device box body and the secondary filter device box body, the primary filter device body and the secondary filter device body are arranged inside the primary filter device box body and the secondary filter device box body, and the first fixed bracket, the second fixed bracket, the third fixed bracket and the fourth fixed bracket are fixedly connected on both sides of the primary filter device box body and the secondary filter device box body,The first leaking baffle, the second leaking baffle, the third leaking baffle and the fourth leaking baffle are all fixedly connected to each other with the first fixing bracket, the second fixing bracket, the third fixing bracket and the fourth fixing bracket. The upper ends of the primary filter device box body and the secondary filter device box body are fixedly connected with the primary filter device cover plate and the secondary filter device cover plate. The other ends of the primary filter device water inlet hole and the secondary filter device water inlet hole are fixedly connected with the first tee. The other ends of the primary filter device sewage hole and the secondary filter device sewage hole are fixedly connected with the second tee. The recycling car wash sewage treatment system is generally divided into two stages of filtration and treatment. The treatment devices at each level can work independently or collaboratively. The treatment devices at each level are modularly designed and can be disassembled and repaired separately.

[0006] Furthermore, as an optimal technical solution, the upper end of the second leaking baffle is provided with a first-level C filter cotton, the upper end of the first-level C filter cotton is provided with a first-level B filter cotton, the upper end of the first-level B filter cotton is provided with a first-level A filter cotton, the upper end of the first-level A filter cotton is fixedly connected to the first leaking baffle, the upper end of the fourth leaking baffle is provided with a second-level C filter cotton, the upper end of the second-level C filter cotton is provided with a second-level B filter cotton, the upper end of the second-level B filter cotton is provided with a second-level A filter cotton, and the upper end of the second-level A filter cotton is fixedly connected to the third leaking baffle; by setting up two different groups of filtering systems, the filtering effect on sewage can be increased.

[0007] Furthermore, as an optimal technical solution, a panel lock is provided on the left side of the box body, and an upper locking rod and a lower locking rod are provided at the upper and lower ends of the panel lock, an adjustment device is provided between the upper locking rod and the lower locking rod, and casters with feet are symmetrically provided at the four corners of the bottom of the box body. The right side of the front of the box body is hingedly connected to the box body through a hinge, and the front of the front door panel is respectively fixedly connected with a display screen, a start button, an end button, a pause button and a cleaning button, and the back of the front door panel is fixedly connected with an electrical control box, and the inner side of the front door panel is fixedly connected with a front door reinforcement rib; the front door panel can be fixed by the set panel lock, and the device can be moved more conveniently with the help of the casters with feet.

[0008] Furthermore, as an optimal technical solution, the upper ends of the second-layer partition plate and the first-layer partition plate are fixedly connected with a primary filter device box body and a secondary filter device box body, the primary filter device body and the secondary filter device body are arranged inside the primary filter device box body and the secondary filter device box body, both sides of the primary filter device box body and the secondary filter device box body are fixedly connected with a first fixing bracket, a second fixing bracket, a third fixing bracket and a fourth fixing bracket, the first leaking baffle, the second leaking baffle, the third leaking baffle and the fourth leaking baffle are fixedly connected to each other with the first fixing bracket, the second fixing bracket, the third fixing bracket and the fourth fixing bracket, the upper ends of the primary filter device box body and the secondary filter device box body are fixedly connected with a primary filter device cover plate and a secondary filter device cover plate; the water flow of the primary filter device body and the secondary filter device body flows from bottom to top by pressure, and the particulate pollutants in the primary filter device body and the secondary filter device body are deposited at the bottom by gravity and discharged through the sewage outlet, and the primary filter device body, the secondary filter device body and the water box body can be modularly separated and maintained by quick disassembly.

[0009] In summary, the utility model mainly has the following beneficial effects:

[0010] First, in general, the car wash sewage treatment equipment is made of sheet metal, and movable and fixable casters with cups are provided at the four corners of the bottom of the cabinet, which is convenient for carrying and moving; there are four function buttons: start button, end button, pause button and cleaning button, three water inlets: water inlet, water outlet, and sewage outlet, practical functions, simple operation, the water inlet hole of the first-level filter device in this recyclable car wash sewage treatment system is in the middle position, the water outlet hole of the first-level filter device is at the top position, and the sewage outlet hole of the first-level filter device is at the bottom position, and the filter cotton is arranged in layers inside, and the filter cotton is arranged from coarse to fine from bottom to top. This structural design can realize the deposition of particulate pollutants at the bottom of the first-level filter device by layered filtration of the filter screen and gravity, and can be discharged through the sewage outlet at the bottom during cleaning. The water after primary filtration is discharged from the top water outlet diameter drain pipe to the secondary filter device;

[0011] Second, this recyclable car wash sewage treatment system is generally divided into two stages of filtration and treatment. The treatment devices at each level can work independently or collaboratively. The treatment devices at each level are modularly designed and can be disassembled and repaired separately. The water inlet of the secondary filter device in this recyclable car wash sewage treatment system is in the middle, and the water outlet of the secondary filter device is at the top. The filter cotton is layered inside, and the filter cotton is arranged from coarse to fine from bottom to top. This structural design can achieve layered filtration of particulate pollutants by the filter mesh and deposition at the bottom of the primary filter device by gravity. When cleaning, it can be discharged through the bottom drain port. The water after primary filtration is discharged from the top outlet diameter drain pipe to the secondary filter device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a main structural schematic diagram of the utility model;

[0014] Figure 3 It is a CC cross-sectional schematic diagram of the internal structure of the utility model;

[0015] Figure 4 It is a schematic diagram of the DD cross section of the internal structure of the utility model.

[0016] Reference numerals: 010, electrical control box; 011, front door panel; 012, front door reinforcement rib; 013, cleaning button; 014, end button; 015, pause button; 016, start button; 017, display screen; 018, hinge; 019, box body; 021, locking rod; 022, primary filter body; 023, second-layer partition board; 024, secondary filter body; 025, panel lock; 026, drain pipe; 027, first-layer partition board ; 028, water tank water inlet hole; 029, water box body; 030, lower locking rod; 031, water pump; 032, casters with feet; 033, primary filter cover; 034, first leaking baffle; 035, primary A filter cotton; 036, primary B filter cotton; 037, primary C filter cotton; 038, second leaking baffle; 039, first fixed bracket; 040, secondary filter cover; 041, third leaking baffle; 042, secondary A filter Filter cotton; 043, secondary B-grade filter cotton; 044, secondary C-grade filter cotton; 045, fourth leaking baffle; 046, second fixing bracket; 047, liquid level sensor; 048, water inlet; 049, sewage outlet; 050, water outlet; 051, first switch valve; 052, pre-filter; 053, second switch valve; 054, first three-way; 055, first flexible joint; 056, second three-way; 057, second flexible joint; 058, third switch valve; 059, third flexible joint; 060, primary filter box body; 061, secondary filter box body; 062, primary filter water outlet hole; 063, primary filter water inlet hole; 064, primary filter sewage outlet hole; 065, secondary filter water inlet hole; 066, secondary filter sewage outlet hole; 067, secondary filter water outlet hole; 068, third fixed bracket; 069, fourth fixed bracket; 070, fourth switch valve; 071, fourth flexible joint. DETAILED DESCRIPTION

[0017] Example

[0018] refer to Figures 1 to 4A car wash sewage treatment system that can be recycled in this embodiment includes a box body 019, a front door panel 011 is hinged on the front of the box body 019, a first-layer partition plate 027 and a second-layer partition plate 023 are fixedly connected inside the box body 019, and a first-level filter device body 022 is fixedly connected at the upper end of the second-layer partition plate 023. A first-level filter device water inlet hole 063, a first-level filter device water outlet hole 062 and a first-level filter device sewage hole 064 are opened on the outer side of the first-level filter device body 022. The first-level filter device water inlet hole 063 is located in the middle of the right side of the first-level filter device body 022, the first-level filter device water outlet hole 062 is symmetrically distributed on both sides of the upper end of the first-level filter device body 022, and the first-level filter device sewage hole 064 is located on the first-level filter device body 022. On the right side of the bottom of the body 022, the upper end of the first-level filter device water inlet hole 063 is fixedly connected with the first leaking baffle 034 and the second leaking baffle 038, the top of the first-level filter device body 022 is fixedly connected with a sealing plate, the upper end of a layer of partition plate 027 is fixedly connected with the second-level filter device body 024, and the second-level filter device body 024 is provided with a second-level filter device water inlet hole 065, a second-level filter device water outlet hole 067 and a second-level filter device sewage hole 066 on the outside, the second-level filter device water inlet hole 065 is located at the middle position of the bottom of the left and right sides of the second-level filter device body 024 and is symmetrically distributed, the second-level filter device water outlet hole 067 is located at the left top of the second-level filter device body 024, and the second-level filter device sewage hole 066 is located at the second-level filter device body At the bottom right side of 024, the upper ends of the water inlet 048 of the secondary filter device are fixedly connected with the third leaking baffle 041 and the fourth leaking baffle 045, the top of the secondary filter device body 024 is provided with a sealing cover, the inner upper end of the box body 019 is fixedly connected with the water box body 029, the inner part of the water box body 029 is fixedly connected with the liquid level sensor 047, the outer side of the water inlet hole 063 of the primary filter device is provided with a first switch valve 051, the first switch valve 051 is fixedly connected with the pre-filter 052, the outer side of the water inlet hole 065 of the secondary filter device is provided with a second switch valve 053, the second switch valve 053 is connected with the first flexible joint 055, the outer side of the sewage discharge hole 064 of the primary filter device is provided with a fourth switch valve 070, the fourth switch valve 070 is connected with the fourth flexible joint 07 1. A third switch valve 058 is provided outside the sewage discharge hole 066 of the secondary filtering device, and the third switch valve 058 is connected to the second flexible joint 057. A water pump 031 is fixedly connected inside the box body 019, and one end of the water pump 031 is fixedly connected to the third flexible joint 059, and the other end of the third flexible joint 059 is fixedly connected to the water inlet main pipe. A drain pipe 026 is fixedly connected to the lower end of the primary filtering device body 022, and the primary filtering device body 022 is connected to the secondary filtering device body 024 through the drain pipe 026. A water tank water inlet hole 028 is provided on the top of the water box body 029, and a water outlet 050 is provided at the right bottom of the water box body 029. A total water inlet 048 and a total sewage outlet 049 are provided at the right bottom of the box body 019. A cleaning button 013 is provided on the inner side of the front door panel 011.The other ends of the primary filter device water inlet hole 063 and the secondary filter device water inlet hole 065 are fixedly connected to the first tee 054, and the other ends of the primary filter device sewage hole 064 and the secondary filter device sewage hole 066 are fixedly connected to the second tee 056; the primary filter device water inlet hole 063 and the secondary filter device water inlet hole 065 are connected to the external water inlet main pipe through the first tee 054, and the primary filter device sewage hole 064 and the secondary filter device sewage hole 066 are connected to the external sewage main pipe through the second tee 056.

[0019] refer to Figure 1 and Figure 2 The upper end of the second leaking baffle 038 is provided with a first-level C-class filter cotton 037, the upper end of the first-level C-class filter cotton 037 is provided with a first-level B-class filter cotton 036, the upper end of the first-level B-class filter cotton 036 is provided with a first-level A-class filter cotton 035, the upper end of the first-level A-class filter cotton 035 is fixedly connected to the first leaking baffle 034, the upper end of the fourth leaking baffle 045 is provided with a second-level C-class filter cotton 044, the upper end of the second-level C-class filter cotton 044 is provided with a second-level B-class filter cotton 043, the upper end of the second-level B-class filter cotton 043 is provided with a second-level A-class filter cotton 042, and the upper end of the second-level A-class filter cotton 042 is fixedly connected to the third leaking baffle 041; the recycling car wash sewage treatment system is generally divided into two-stage filtration treatment, and the treatment devices at each level can work independently or collaboratively. The treatment devices at each level are modularly designed and can be disassembled and repaired separately, and the filtering effect of sewage can be increased by setting up two different filtering systems.

[0020] refer to Figure 1 The left side of the box 019 is provided with a panel lock 025, and the upper and lower ends of the panel lock 025 are provided with an upper locking rod 021 and a lower locking rod 030, and an adjustment device is provided between the upper locking rod 021 and the lower locking rod 030. The four corners of the bottom of the box 019 are symmetrically provided with casters 032 with foot cups. The right side of the front of the box 019 is hingedly connected to the box 019 through a hinge 018. The front of the front door panel 011 is fixedly connected with a display screen 017, a start button 016, an end button 014, A pause button 015 and a clean button, the back of the front door panel 011 is fixedly connected to an electrical control box 010, and the inner side of the front door panel 011 is fixedly connected to a front door reinforcement rib 012; the front door panel 011 can be fixed by means of a panel lock 025, and the device can be moved more conveniently with the help of casters 032 with feet, and one side of the front door panel 011 and the box body 019 are hingedly connected, so that the front door panel 011 and the box body 019 can be easily rotated.

[0021] refer to Figure 2The upper ends of the second-layer partition plate 023 and the first-layer partition plate 027 are fixedly connected with a primary filter device box body 060 and a secondary filter device box body 061. The primary filter device body 022 and the secondary filter device body 024 are arranged inside the primary filter device box body 060 and the secondary filter device box body 061. The first and second filter device boxes 060 and 061 are fixedly connected with a first fixed bracket 039, a second fixed bracket 046, a third fixed bracket 068 and a fourth fixed bracket 069 on both sides of the primary filter device box body 060 and the secondary filter device box body 061. The first leaking baffle 034, the second leaking baffle 038, the third leaking baffle Plate 041 and the fourth leaking baffle 045 are fixedly connected to the first fixed bracket 039, the second fixed bracket 046, the third fixed bracket 068 and the fourth fixed bracket 069, and the upper ends of the primary filter device box body 060 and the secondary filter device box body 061 are fixedly connected with the primary filter device cover plate 033 and the secondary filter device cover plate 040; after opening the sewage outlet 049 of the primary filter device body 022 or the secondary filter device body 024 separately, the sludge deposited in the primary filter device body 022 and the secondary filter device body 024 can be automatically flushed by adding clean water through the water inlet 048.

[0022] Principle and advantages of use: When sewage needs to be treated: close the second switch valve 053, open the first switch valve 051, press the start button 016, and the water pump 031 will be started. The water pump 031 will draw the preliminarily treated sewage through the main water inlet 048, and after preliminary filtration by the pre-filter 052, it will enter the water inlet hole 063 of the first-level filter device through the first switch valve 051. In the first-level filter device body 022, the sewage fills the bottom space and continues to spread to the upper layer, passing through the second leaking baffle 038, the first-level C filter cotton 037, the first-level B The first filter cotton 036, the first A filter cotton 035, the first leaking baffle 034, in this process, the pollutant molecules in the sewage will be filtered out and remain in the bottom space of the first filter device body 022, and continue to deposit. As the amount of sewage injected gradually increases, the filtered water will be discharged from the first filter device outlet hole 062. After the water filtered by the first filter device body 022 is discharged from the first filter device outlet hole 062, it flows into the second filter device inlet hole 065 through the pipeline, and then passes through the second filter device body 024 for re-filtration. In the second filter device body 024, the filtered sewage fills the bottom space and continues to spread to the upper layer, passing through the fourth leaking baffle 045, the second C filter cotton 044, the second B filter cotton 043, the second A filter cotton 042, and the third leaking baffle 041 in turn. In this process, the pollutant molecules in the sewage will be filtered out and remain in the bottom space of the second filter device body 024, and continue to deposit. As the amount of sewage injected increases, the filtered water will be discharged from the water outlet 067 of the secondary filter device and collected in the water box 029 through the pipeline. After the above series of treatment processes, the water has met the standards for reuse by the car washing machine.

[0023] When cleaning the sediment in the primary filter body 022: close the second water inlet switch valve 053 and the third sewage discharge switch valve 058 of the secondary filter body 024, open the fourth switch valve 070 of the sewage discharge hole 064 of the primary filter, connect clean water to the main water inlet 048, press the cleaning button 013, and flush the bottom sediment by injecting pressurized clean water, so that the filter residue will be discharged from the sewage discharge hole 064 of the primary filter;

[0024] When cleaning the sediment in the secondary filter body 024: close the first switch valve 051 and the fourth switch valve 070 of the primary filter body 022, open the third switch valve 058 at the drain hole 066 of the secondary filter, connect clean water to the main water inlet 048, press the cleaning button 013, and flush the bottom sediment by injecting pressurized clean water, and the filter residue will be discharged from the drain hole 066 of the secondary filter;

[0025] When inspecting a single module: drain the water in the equipment, close all the switch valves, unscrew the third joint 059 on the left end of the pre-filter 052, unscrew the fourth joint 071, unscrew the first joint 055, unscrew the second joint 057, and then you can remove the primary filter body 022 and the secondary filter body 024 separately.

Claims

1. A car wash wastewater treatment system capable of being recycled, characterized in that: The filter element of the embodiment of the present invention is a filter element of the embodiment of the present invention, wherein the filter element of the embodiment of the present invention is a filter element of the embodiment of the present invention, and the filter element of the embodiment of the present invention is a filter element of the embodiment of the present invention. A liquid level sensor, a first switch valve is provided on the outer side of the water inlet hole of the first-level filter device, the first switch valve is fixedly connected with a pre-filter, a second switch valve is provided on the outer side of the water inlet hole of the secondary filter device, a fourth switch valve is provided on the outer side of the sewage discharge hole of the first-level filter device, and a third switch valve is provided on the outer side of the sewage discharge hole of the secondary filter device, a water pump is fixedly connected to the inside of the box body, one end of the water pump is fixedly connected to the third live joint, the other end of the third live joint is fixedly connected to the water inlet main pipe, the lower end of the first-level filter device body is fixedly connected to the drain pipe, a water tank water inlet hole is provided on the top of the water box body, a water outlet is provided on the right bottom of the water box body, a total water inlet and a total sewage discharge outlet are provided on the right bottom of the box body, a cleaning button is provided on the inner side of the front door panel, the other ends of the water inlet hole of the first-level filter device and the water inlet hole of the second-level filter device are fixedly connected with a first three-way, and the other ends of the sewage discharge hole of the first-level filter device and the sewage discharge hole of the second-level filter device are fixedly connected with a second three-way.

2. A recyclable car wash wastewater treatment system according to claim 1, characterized in that: The upper end of the second leaking baffle is provided with a first-level C filter cotton, the upper end of the first-level C filter cotton is provided with a first-level B filter cotton, the upper end of the first-level B filter cotton is provided with a first-level A filter cotton, the upper end of the first-level A filter cotton is fixedly connected to the first leaking baffle, the upper end of the fourth leaking baffle is provided with a second-level C filter cotton, the upper end of the second-level C filter cotton is provided with a second-level B filter cotton, the upper end of the second-level B filter cotton is provided with a second-level A filter cotton, and the upper end of the second-level A filter cotton is fixedly connected to the third leaking baffle.

3. A recyclable car wash wastewater treatment system according to claim 1, characterized in that: A panel lock is arranged on the left side of the box body, an upper locking rod and a lower locking rod are arranged at both upper and lower ends of the panel lock, and an adjusting device is arranged between the upper locking rod and the lower locking rod.

4. A recyclable car wash wastewater treatment system according to claim 1, characterized in that: The bottom of the box is fixedly connected with a cup caster with a foot, and the cup caster with a foot is installed at the bottom corner of the box.

5. The car wash wastewater treatment system capable of being recycled according to claim 1 is characterized in that: The right side of the front side of the box body is hingedly connected to the box body through a hinge.

6. A recyclable car wash wastewater treatment system according to claim 1, characterized in that: The upper ends of the second-layer partition plate and the first-layer partition plate are fixedly connected with a primary filter device box body and a secondary filter device box body, the primary filter device body and the secondary filter device body are arranged inside the primary filter device box body and the secondary filter device box body, both sides of the primary filter device box body and the secondary filter device box body are fixedly connected with a first fixing bracket, a second fixing bracket, a third fixing bracket and a fourth fixing bracket, the first leaking baffle, the second leaking baffle, the third leaking baffle and the fourth leaking baffle are fixedly connected to each other with the first fixing bracket, the second fixing bracket, the third fixing bracket and the fourth fixing bracket, and the upper ends of the primary filter device box body and the secondary filter device box body are fixedly connected with a primary filter device cover plate and a secondary filter device cover plate.

7. A recyclable car wash wastewater treatment system according to claim 1, characterized in that: The front side of the front door panel is respectively fixedly connected with a display screen, a start button, an end button, a pause button and a clean button, the back side of the front door panel is fixedly connected with an electrical control box, and the inner side of the front door panel is fixedly connected with a front door reinforcement rib.

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