A waste water recycling device for intelligent car washing machine

Abstract

The present application belongs to wastewater treatment technical field, especially, relate to a kind of wastewater recovery treatment device for intelligent car washer, including base and host machine installed in the end face of base, car washer is installed above base, the end face of base is provided with water receiving groove, and metal net rack is installed in the inside of water receiving groove, the end face of base is provided with wastewater treatment tank, further comprising: two U-shaped hollow plates, two U-shaped hollow plates are respectively installed in the two side walls of portal frame of car washer.The present application can hold the wastewater generated by car washer, and can move and adsorb water mist with portal frame of car washer, avoid water mist to escape and reduce water resource waste, improve wastewater recovery fullness, and also can filter, defoaming, oil removal, neutralization, adsorption of car washing wastewater Multi-stage processing, ensure wastewater recycling effect, quickly remove oil in oil removal area, use airflow to assist oil to float and defoaming quickly.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of wastewater treatment, and particularly relates to a wastewater recycling device for an intelligent car washing machine. BACKGROUND

[0002] With the rapid increase of the number of automobiles, intelligent car washing machines are widely used, and the amount of car washing wastewater increases significantly. Such wastewater contains pollutants such as silt, oil stains and surfactants. If the wastewater is directly discharged, the silt will make the water turbid, the oil stains will hinder the water oxygen, and the surfactants will increase the chemical oxygen demand, which will seriously pollute the soil and water and destroy the ecological balance. Therefore, efficient wastewater treatment technology for intelligent car washing machines is urgently needed to achieve standard discharge and water resource recycling.

[0003] For example, the patent announcement No. CN211367200U discloses a wastewater recycling device for an intelligent car washing machine. The device can prevent wastewater pollution to the environment and reduce water resource waste to a certain extent through multi-stage treatment of car washing wastewater. However, during car washing, the high-pressure water column sprayed by the washing nozzle will impact the car body, and part of the water will form water mist due to the impact. This part of the water mist is easy to escape with the airflow, which not only reduces the wastewater recovery rate, but also pollutes the surrounding environment with part of the pollutants. In addition, the integration of the wastewater treatment device is not high due to the valuable space of the intelligent car washing machine, which will result in low space utilization and restrict the wastewater treatment effect to a certain extent. SUMMARY

[0004] The purpose of the present application is to provide a wastewater recycling device for an intelligent car washing machine to solve the above problems.

[0005] To achieve the above purpose, the following technical scheme is adopted: a wastewater recycling device for an intelligent car washing machine, comprising a base and a main machine installed on the end face of the base, a car washing machine installed above the base, an end face of the base is provided with a water collecting groove, and a metal net frame is installed inside the water collecting groove, an end face of the base is provided with a wastewater treatment box, further comprising:

[0006] Two U-shaped hollow plates are installed on the two side walls of the gantry of the car washing machine, and the interiors of the two U-shaped hollow plates are filled with water-absorbing cotton. The bottoms of the two U-shaped hollow plates are fixedly connected with return pipes, and the two return pipes are arranged above the metal net frame. The two U-shaped hollow plates are jointly provided with a negative pressure suction unit, and the side walls of the two U-shaped hollow plates are provided with a plurality of water mist inlet holes.

[0007] A partition frame is installed in the interior of the wastewater treatment box, and the partition frame divides the wastewater treatment box into a primary filtration zone, a water storage and defoaming zone, an oil removal zone, a neutralization zone and an adsorption zone. The water collecting groove is provided with a first pumping assembly, and the first pumping assembly conveys the wastewater in the water collecting groove into the primary filtration zone.

[0008] The water passing unit is installed in the interior of the wastewater treatment tank, and the primary filtration zone, the water storage and defoaming zone, the oil removal zone, the neutralization zone and the adsorption zone are sequentially communicated through the water passing unit, and the adsorption zone is communicated with the water storage container of the car washer through the water passing unit;

[0009] The oil removal unit is installed in the interior of the oil removal zone.

[0010] Preferably, the negative pressure suction unit comprises two negative pressure suction fans, both of which are fixedly connected with the side walls of the two U-shaped hollow plates and are arranged on the two sides of the U-shaped hollow plates respectively, and the air outlet ends of the two negative pressure suction fans are fixedly and communicatively connected with a connecting hollow plate, the side wall of the connecting hollow plate is fixedly inserted with an air outlet hose, the wastewater treatment tank is provided with a detachable tank cover, the tank cover is provided with an air flotation mechanism, the air outlet hose is communicated with the oil removal zone through the air flotation mechanism, and both of the negative pressure suction fans are electrically connected with the main machine.

[0011] Preferably, the water passing unit comprises a square hole formed in the side wall of the primary filtration zone, the primary filtration zone is communicated with the water storage and defoaming zone through the square hole, a stainless steel filter screen is installed in the interior of the square hole, a communication pipe is fixedly and insertingly arranged at the lower end of the side wall of the water storage and defoaming zone and is communicated with the oil removal zone, a communication electric control valve is installed in the interior of the communication pipe, a second pumping assembly is installed at the lower end of the outer side wall of the wastewater treatment tank, the oil removal zone is communicated with the neutralization zone through the second pumping assembly, a fan-shaped piston plate is slidably arranged in the interior of the neutralization zone, an electric hydraulic cylinder is inserted at the end face of the tank cover and is fixedly connected with the fan-shaped piston plate at the extension end, a tail water hole is formed in the side wall of the neutralization zone and is communicated with the adsorption zone, a third pumping assembly is fixedly installed at the outer side wall of the wastewater treatment tank and is used for pumping the water in the adsorption zone into the water storage container of the car washer, and the communication electric control valve, the second pumping assembly, the electric hydraulic cylinder and the third pumping assembly are electrically connected with the main machine.

[0012] Preferably, the oil removal unit comprises a supporting roller arranged in the oil removal zone, an oil absorption and water repellent sleeve is fixedly sleeved with the roller wall of the supporting roller, an installation groove is formed at one end of the supporting roller, a supporting frame is arranged in the interior of the installation groove, a plurality of ultrasonic transducers are installed at the side wall of the supporting frame, the end of each ultrasonic transducer is in contact with the inner wall of the oil absorption and water repellent sleeve, an ultrasonic generator is installed at the side wall of the partition frame and is electrically connected with the ultrasonic transducers through a rotary joint, an electric motor driving assembly is installed at the outer side wall of the wastewater treatment tank, the electric motor driving assembly drives the supporting roller to rotate, the ultrasonic generator and the electric motor driving assembly are electrically connected with the main machine, and an oil scraping assembly corresponding to the position of the oil absorption and water repellent sleeve is arranged in the interior of the oil removal zone.

[0013] Preferably, the air floating mechanism comprises a sealing cover fixedly installed on the top of the box cover, the air outlet hose is communicated with the inside of the sealing cover, the end surface of the box cover is fixedly inserted with a plurality of air floating pipes communicated with the sealing cover, and the air outlet ends of the air floating pipes are arranged on the inside lower side of the oil removal area.

[0014] Preferably, the oil scraping assembly comprises an oil scraping plate fixedly installed on the inside of the oil removal area at a corner, and the oil scraping plate is inclined, one end of the oil scraping plate is in sliding contact with the outside wall of the oil suction and water repellent sleeve, the sidewall of the oil removal area is fixedly inserted with an oil discharge pipe at a position on the upper side of the oil scraping plate, and the outside wall of the wastewater treatment box is fixedly installed with an oil storage cover, and the oil discharge pipe is communicated with the oil storage cover.

[0015] Preferably, the air discharge and defoaming assembly comprises an air discharge hollow plate fixedly installed on the upper side of the inside wall of the water storage and defoaming area, a plurality of circular holes are formed in the sidewall of the air discharge hollow plate and the sidewall of the oil removal area, the sidewall of the air discharge hollow plate is fixedly inserted with a plurality of conical air jet heads, and the inlet port diameter of each conical air jet head is greater than the outlet port diameter.

[0016] Preferably, the end surface of the box cover is fixedly inserted with a tail gas pipe, and the air inlet end of the tail gas pipe is arranged in the inside of the primary filtration area.

[0017] Compared with the prior art, the wastewater recycling and treatment device for an intelligent car washing machine has the following advantages:

[0018] Through the cooperation of the base, the main machine, the water receiving groove and the metal rack, the wastewater generated during car washing can be collected. Through the cooperation of the U-shaped hollow plate, the water absorbing cotton, the reflux pipe, the negative pressure suction unit and the plurality of water mist inlet holes, the water mist generated during car washing can be quickly and fully absorbed in a follow-up manner when the gantry of the car washing machine moves synchronously, so as to avoid water mist escaping and polluting the environment, reduce the waste of water resources, and improve the wastewater recycling efficiency.

[0019] Through the cooperation of the partition frame, the primary filtration area, the water storage and defoaming area, the oil removal area, the neutralization area, the adsorption area, the first pumping assembly and the water passing unit, the wastewater generated during car washing can be subjected to multi-stage treatment of filtration, defoaming, oil removal, neutralization and adsorption, so as to ensure the recycling effect of the wastewater and improve the integration of the wastewater treatment device and reduce the space occupation.

[0020] Through the cooperation of the oil removal unit, the oil in the oil removal area can be quickly removed, and the airflow generated by the negative pressure suction unit can be used to cooperate with the air floating mechanism to quickly make the oil in the wastewater float up. In addition, the airflow generated by the negative pressure suction unit can be used to assist the air discharge and defoaming assembly to quickly defoam. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of a wastewater recycling device for an intelligent car washer provided by the present application;

[0022] Figure 2 is a partial internal structural schematic view of a U-shaped hollow plate of a wastewater recycling device for an intelligent car washer provided by the present application;

[0023] Figure 3 is a structural enlarged view of part A of a wastewater recycling device for an intelligent car washer provided by the present application; Figure 1

[0024] Figure 4 is an internal structural schematic view of a wastewater treatment tank of a wastewater recycling device for an intelligent car washer provided by the present application;

[0025] Figure 5 is an internal overhead structural schematic view of a wastewater treatment tank of a wastewater recycling device for an intelligent car washer provided by the present application;

[0026] Figure 6 is a structural enlarged view of part B of a wastewater recycling device for an intelligent car washer provided by the present application; Figure 5

[0027] In the figure: 1 base, 2 main machine, 3 car washer, 4 water receiving groove, 5 metal net rack, 6 wastewater treatment tank, 7 U-shaped hollow plate, 8 water absorption cotton, 9 backflow pipe, 10 negative pressure suction unit, 101 negative pressure suction fan, 102 connecting hollow plate, 103 air outlet hose, 104 tank cover, 11 water mist inlet hole, 12 partition frame, 13 primary filtration zone, 14 water storage and defoaming zone, 15 oil removal zone, 16 neutralization zone, 17 adsorption zone, 18 first pumping assembly, 19 water passing unit, 191 square hole, 192 stainless steel filter screen, 193 communication pipe, 194 communication electric control valve, 195 second pumping assembly, 196 fan-shaped piston plate, 197 electric hydraulic cylinder, 198 tail water hole, 199 third pumping assembly, 20 oil removal unit, 201 supporting roller, 202 oil absorption and water drainage sleeve, 203 mounting groove, 204 supporting frame, 205 ultrasonic transducer, 206 ultrasonic generator, 207 motor driving assembly, 21 air flotation mechanism, 211 sealing cover, 212 air flotation pipe, 22 oil scraping assembly, 221 oil scraping plate, 222 oil discharge pipe, 223 oil storage cover, 23 air exhaust and defoaming assembly, 231 air exhaust hollow plate, 232 round hole, 233 conical air jet head, 24 tail gas pipe. DETAILED DESCRIPTION

[0028] ​​The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0029] As shown in the drawings, Figures 1-6 A waste water recycling device for intelligent car washing machine, comprising a base 1 and a main machine 2 installed on the end face of the base 1, a car washing machine 3 is installed above the base 1, a water receiving groove 4 is formed in the end face of the base 1, and a metal net rack 5 is installed in the water receiving groove 4, a waste water treatment box 6 is installed on the end face of the base 1, further comprising: two U-shaped hollow plates 7, the two U-shaped hollow plates 7 are respectively installed on the two side walls of the gantry of the car washing machine 3, the interiors of the two U-shaped hollow plates 7 are filled with water absorbing cotton 8, the bottoms of the two U-shaped hollow plates 7 are respectively fixedly connected with return pipes 9, the two return pipes 9 are arranged above the metal net rack 5, the two U-shaped hollow plates 7 are jointly installed with a negative pressure suction unit 10, a plurality of water mist entering holes 11 are formed in the side walls of the two U-shaped hollow plates 7, the negative pressure suction unit 10 comprises two negative pressure suction fans 101, the two negative pressure suction fans 101 are fixedly connected with the side walls of the two U-shaped hollow plates 7, the two negative pressure suction fans 101 are respectively arranged on the two sides of the U-shaped hollow plate 7, the air outlet ends of the two negative pressure suction fans 101 are jointly fixedly connected with a connecting hollow plate 102, an air outlet hose 103 is fixedly connected with the side wall of the connecting hollow plate 102, the waste water treatment box 6 is installed with a detachable box cover 104, the box cover 104 is installed with an air flotation mechanism 21, the air outlet hose 103 is communicated with an oil removal area 15 through the air flotation mechanism 21, the two negative pressure suction fans 101 are electrically connected with the main machine 2, the end face of the box cover 104 is fixedly connected with a tail gas pipe 24, the air inlet end of the tail gas pipe 24 is arranged in the interior of a primary filtration area 13, the air flotation mechanism 21 comprises a sealing cover 211 fixedly installed on the top of the box cover 104, the air outlet hose 103 is communicated with the interior of the sealing cover 211, the end face of the box cover 104 is fixedly connected with a plurality of air flotation pipes 212 communicated with the sealing cover 211, the air outlet ends of the air flotation pipes 212 are arranged on the lower side of the interior of the oil removal area 15, a water storage and defoaming area 14 is installed with an exhaust defoaming assembly 23, the exhaust defoaming assembly 23 is communicated with the interior of the oil removal area 15, the exhaust defoaming assembly 23 comprises an exhaust hollow plate 231 fixedly installed on the upper side of the inner wall of the water storage and defoaming area 14, a plurality of circular holes 232 are formed in the side wall of the exhaust hollow plate 231 and the oil removal area 15, a plurality of conical air jet heads 233 are fixedly connected with the side wall of the exhaust hollow plate 231, the air inlet diameters of the conical air jet heads 233 are all larger than the air outlet diameters, the directions of the conical air jet heads 233 are all different, and the comprehensiveness of the bubble impact coverage is improved.

[0030] The partition frame 12 is installed in the interior of the wastewater treatment box 6, and the partition frame 12 divides the wastewater treatment box 6 into the primary filtration area 13, the water storage and defoaming area 14, the oil removal area 15, the neutralization area 16 and the adsorption area 17. The first pumping assembly 18 is installed in the water receiving tank 4, and the first pumping assembly 18 conveys the wastewater in the water receiving tank 4 to the primary filtration area 13. The water passing unit 19 is installed in the interior of the wastewater treatment box 6. The primary filtration area 13, the water storage and defoaming area 14, the oil removal area 15, the neutralization area 16 and the adsorption area 17 are sequentially communicated through the water passing unit 19. The adsorption area 17 is communicated with the water storage container of the car washer 3 through the water passing unit 19. The water passing unit 19 comprises a square hole 191 formed in the side wall of the primary filtration area 13. The primary filtration area 13 is communicated with the water storage and defoaming area 14 through the square hole 191. A stainless steel filter screen 192 is installed in the interior of the square hole 191. A communication pipe 193 is fixedly inserted into the lower end of the side wall of the water storage and defoaming area 14, and the communication pipe 193 is communicated with the oil removal area 15. A communication electric control valve 194 is installed in the interior of the communication pipe 193. A second pumping assembly 195 is installed in the lower end of the outer side wall of the wastewater treatment box 6. The oil removal area 15 is communicated with the neutralization area 16 through the second pumping assembly 195. A fan-shaped piston plate 196 is slidably arranged in the interior of the neutralization area 16. An electric hydraulic cylinder 197 is inserted into the end surface of the box cover 104, and the telescopic end of the electric hydraulic cylinder 197 is fixedly connected with the fan-shaped piston plate 196. A tail water hole 198 is formed in the side wall of the neutralization area 16, and the tail water hole 198 is communicated with the adsorption area 17. A third pumping assembly 199 is fixedly installed on the outer side wall of the wastewater treatment box 6, and the third pumping assembly 199 pumps the water in the adsorption area 17 into the water storage container of the car washer 3. The communication electric control valve 194, the second pumping assembly 195, the electric hydraulic cylinder 197 and the third pumping assembly 199 are electrically connected with the main machine 2. The first pumping assembly 18, the second pumping assembly 195 and the third pumping assembly 199 each comprise a water pump, a water pipe and other components. The water pump works to pump water in cooperation with the water pipe.

[0031] The oil removal unit 20 is installed in the interior of the oil removal area 15, the oil removal unit 20 comprises a supporting roller 201 arranged in the oil removal area 15, and the roller wall of the supporting roller 201 is fixedly sleeved with an oil absorption and water repellent sleeve 202, one end of the supporting roller 201 is provided with a mounting groove 203, the interior of the mounting groove 203 is provided with a supporting frame 204, and the side wall of the supporting frame 204 is provided with a plurality of ultrasonic transducers 205, the end of each ultrasonic transducer 205 is in contact with the inner wall of the oil absorption and water repellent sleeve 202, the side wall of the partition frame 12 is provided with an ultrasonic generator 206, and the ultrasonic generator 206 is electrically connected with the ultrasonic transducers 205 through a rotary joint, the outer side wall of the wastewater treatment box 6 is provided with a motor driving assembly 207, the motor driving assembly 207 drives the supporting roller 201 to rotate, the ultrasonic generator 206 and the motor driving assembly 207 are electrically connected with the main machine 2, the interior of the oil removal area 15 is provided with an oil scraping assembly 22 corresponding to the position of the oil absorption and water repellent sleeve 202, the oil scraping assembly 22 comprises an oil scraping plate 221 fixedly installed at one side corner in the interior of the oil removal area 15, and the oil scraping plate 221 is inclined, one end of the oil scraping plate 221 is in sliding contact with the outer side wall of the oil absorption and water repellent sleeve 202, the side wall of the oil removal area 15 is fixedly inserted with an oil discharge pipe 222 at a position above the oil scraping plate 221, the outer side wall of the wastewater treatment box 6 is fixedly installed with an oil storage cover 223, and the oil discharge pipe 222 is in communication with the oil storage cover 223, the bottom of the oil storage cover 223 is provided with an oil outlet pipe, a sealing cover is threadedly assembled at the pipe opening of the oil outlet pipe, so that the oil in the oil storage cover 223 can be conveniently cleaned out, and the rotary joint is sealed by sealing washers, sealing sleeves and other sealing elements, so that water is prevented from entering the interior of the rotary joint.

[0032] The operation principle of the present application is as follows: when washing a car, the main machine 2 is started, the main machine 2 controls the operation of the car washing agent, the car washing machine 3 sprays the car washing agent and water on the car body, so as to wash the car body, most of the waste water generated by washing is dropped into the water collecting groove 4 through the metal net frame 5, and a small part of the waste water is dispersed to form water mist due to collision with the car body, when washing the car, the main machine 2 controls the operation of the two negative pressure suction fans 101, the two negative pressure suction fans 101 generate negative pressure suction force in the two U-shaped hollow plates 7, so that the water mist on the side wall of the two U-shaped hollow plates 7 enters the water mist inlet hole 11 to generate negative pressure suction force, since the U-shaped hollow plate 7 is installed on the gantry of the car washing machine 3, when the gantry of the car washing machine 3 moves, the two U-shaped hollow plates 7 also move synchronously, therefore, when the water mist is generated during washing the car, the water mist is immediately sucked into the water mist inlet hole 11 on the side wall of the two U-shaped hollow plates 7, and under the blocking action of the water absorption cotton 8 in the U-shaped hollow plate 7, the water mist is intercepted in the water absorption cotton 8, the water mist gathers in the water absorption cotton 8 to form large water droplets, and under the action of gravity, the water droplets start to flow downward and are finally discharged to the water collecting groove 4 through the return pipe 9, so as to reduce the possibility of water mist escaping and improve the fullness of waste water recovery.

[0033] After the host 2 is started, the first pumping assembly 18 is also controlled to work, which can pump the wastewater in the water collecting groove 4 to the primary filtration area 13. Since the primary filtration area 13 is connected with the water storage and defoaming area 14 through the square hole 191, the wastewater in the primary filtration area 13 can enter the water storage and defoaming area 14 through the square hole 191, and under the blocking effect of the stainless steel filter screen 192 inside the square hole 191, large-particle impurities such as sand can be intercepted in the primary filtration area 13, so that the wastewater can be preliminarily filtered;

[0034] After the host 2 is started, the communication electric control valve 194 is controlled to work, at this time, the wastewater in the water storage and defoaming area 14 can enter the oil removal area 15 through the communication pipe 193, when the wastewater in the oil removal area 15 is at the position of three-quarters of the height of the oil removal area 15, the liquid level sensor (not shown in the figure) at the bottom of the box cover 104 above the oil removal area 15 feeds back an electric signal to the host 2, at this time, the host 2 controls the communication electric control valve 194 to stop working, then, the host 2 controls the motor driving assembly 207 to work, which drives the supporting roller 201 to rotate, so as to drive the oil absorption and water absorption sleeve 202 to rotate, since the airflow generated by the two negative pressure suction fans 101 can enter the connecting hollow plate 102, the airflow can be discharged from the multiple air flotation pipes 212 through the connecting hollow plate 102, the air outlet hose 103 and the sealing cover 211, so that the wastewater in the oil removal area 15 can generate bubbles, when the bubbles flow upwards to the liquid surface, they can drive the oil in the wastewater to move upwards, under the action of the density difference, the oil can float on the water, the oil absorption and water absorption sleeve 202 can absorb the oil, and when the host 2 controls the motor driving assembly 207 to work, it can control the ultrasonic generator 206 to work synchronously, the ultrasonic generator 206 outputs high-frequency electric signals to each ultrasonic transducer 205 through the rotary joint, each ultrasonic transducer 205 can convert the electric signals into mechanical energy, so as to generate ultrasonic waves, under the action of the ultrasonic waves, the oil absorbed in the oil absorption and water absorption sleeve 202 can penetrate outward, the penetrated oil can be scraped off by the oil scraping plate 221 and flow to the oil discharge pipe 222 along the oil scraping plate 221 and then flow into the oil storage cover 223, so as to remove the oil in the wastewater;

[0035] The airflow flowing to the liquid surface above can enter the exhaust hollow plate 231 through the circular hole 232 and finally be sprayed out through the conical air jet head 233, since the inlet port diameter of the conical air jet head 233 is larger than the outlet port diameter, the flow rate of the discharged airflow can be accelerated, the accelerated airflow can impact the foam on the upper side of the wastewater in the water storage and defoaming area 14, so that the foam can be exploded and eliminated, then the airflow can flow reversely to the primary filtration area 13 from the stainless steel filter screen 192 (the reversely flowing airflow can avoid the impurities from blocking the stainless steel filter screen 192 as much as possible), finally the airflow is discharged through the tail gas pipe 24;

[0036] And in the motor drive assembly 207 work 5 minutes, the host 2 control second pumping assembly 195 work timing work, the second pumping assembly 195 can transport the waste water in the oil removal zone 15 to the neutralization zone 16, after the second pumping assembly 195 timing work ends, the waste water in the oil removal zone 15 is exhausted, at this time, the host 2 continues to control the communication of electric control valve 194 work, make the water storage defoaming zone 14 in the waste water is supplemented to the oil removal zone 15 again, and repeat the foregoing steps, the waste water is deoiled can be;

[0037] The pH detection probe (not marked in the figure) of the side wall of the neutralization zone 16 detects the acidity and alkalinity of the waste water, and feeds back the results to the host 2 after the measurement is completed. Subsequently, the host 2 controls the chemical tank (not shown in the figure) above the box cover 104 to pour acidic or alkaline neutralizing agent into the neutralization zone 16 according to the acidity and alkalinity of the waste water, so that the waste water can be neutralized. After 5 minutes, the host 2 controls the electric hydraulic cylinder 197 to work for a certain time. The electric hydraulic cylinder 197 can drive the fan-shaped piston plate 196 to move upwards, so as to lift the waste water in the neutralization zone 16 upwards. When the lifted waste water reaches the tail water hole 198 position, it will flow into the adsorption zone 17. After the waste water contacts with the activated carbon filler (not marked in the figure) in the adsorption zone 17, it can further remove the impurities in the waste water. At the same time, the host 2 controls the third pumping assembly 199 to work. The third pumping assembly 199 can transport the water liquid purified by adsorption into the water storage container (such as ton barrel) of the car washing agent, so that the waste water can be recycled.

[0038] The above only describes the preferred embodiments of the present application, and does not limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A wastewater recycling and treatment device for an intelligent car wash machine, comprising a base (1) and a main unit (2) installed on the end face of the base (1), a car wash machine (3) installed above the base (1), a water receiving trough (4) being provided on the end face of the base (1), and a metal mesh frame (5) being installed inside the water receiving trough (4), and a wastewater treatment tank (6) being installed on the end face of the base (1), characterized in that, Also includes: Two U-shaped hollow plates (7) are respectively installed on the two side walls of the gantry of the car wash machine (3). The interior of the two U-shaped hollow plates (7) is filled with absorbent cotton (8), and the bottom of the two U-shaped hollow plates (7) is fixedly connected with a return pipe (9). The two return pipes (9) are set above the metal mesh frame (5). The two U-shaped hollow plates (7) are jointly equipped with a negative pressure suction unit (10). The side walls of the two U-shaped hollow plates (7) are provided with multiple water mist inlet holes (11). A partition frame (12) is installed inside the wastewater treatment tank (6), and the partition frame (12) divides the wastewater treatment tank (6) into a primary filtration zone (13), a water storage and defoaming zone (14), an oil removal zone (15), a neutralization zone (16), and an adsorption zone (17). The water receiving tank (4) is equipped with a first pumping assembly (18), which pumps the wastewater in the water receiving tank (4) to the primary filtration zone (13). The water-passing unit (19) is installed inside the wastewater treatment tank (6). The primary filtration zone (13), water storage and defoaming zone (14), oil removal zone (15), neutralization zone (16) and adsorption zone (17) are connected in sequence through the water-passing unit (19), and the adsorption zone (17) is connected to the water storage container of the car wash machine (3) through the water-passing unit (19). An oil removal unit (20) is installed inside the oil removal zone (15); The negative pressure suction unit (10) includes two negative pressure suction fans (101). Both negative pressure suction fans (101) are fixedly connected to the side walls of two U-shaped hollow plates (7). The two negative pressure suction fans (101) are respectively set on both sides of the U-shaped hollow plates (7). The air outlets of the two negative pressure suction fans (101) are fixedly connected to a connecting hollow plate (102). An air outlet hose (103) is fixedly inserted into the side wall of the connecting hollow plate (102). The wastewater treatment tank (6) is equipped with a detachable tank cover (104). The tank cover (104) is equipped with an air flotation mechanism (21). The air outlet hose (103) is connected to the oil removal zone (15) through the air flotation mechanism (21). Both negative pressure suction fans (101) are electrically connected to the main unit (2).

2. The wastewater recycling and treatment device for an intelligent car wash machine according to claim 1, characterized in that, The water-passing unit (19) includes a square hole (191) on the side wall of the primary filtration zone (13), and the primary filtration zone (13) is connected to the water storage and defoaming zone (14) through the square hole (191). A stainless steel filter screen (192) is installed inside the square hole (191). A connecting pipe (193) is fixedly inserted into the lower end of the side wall of the water storage and defoaming zone (14), and the connecting pipe (193) is connected to the oil removal zone (15). A connecting solenoid valve (194) is installed inside the connecting pipe (193). A second pumping assembly (195) is installed at the lower end of the outer side wall of the wastewater treatment tank (6). The oil removal zone (15) is connected to the neutralization zone (16) through the second pumping assembly (195). The neutralization zone (16) has a sliding mechanism inside. A fan-shaped piston plate (196) is provided, and an electric hydraulic cylinder (197) is inserted into the end face of the box cover (104). The telescopic end of the electric hydraulic cylinder (197) is fixedly connected to the fan-shaped piston plate (196). A tailwater hole (198) is opened on the side wall of the neutralization zone (16), and the tailwater hole (198) is connected to the adsorption zone (17). A third pumping assembly (199) is fixedly installed on the outer side wall of the wastewater treatment tank (6), and the third pumping assembly (199) pumps the water in the adsorption zone (17) to the water storage container of the car wash machine (3). The connecting electric control valve (194), the second pumping assembly (195), the electric hydraulic cylinder (197) and the third pumping assembly (199) are all electrically connected to the main unit (2).

3. The wastewater recycling and treatment device for an intelligent car wash machine according to claim 1, characterized in that, The oil removal unit (20) includes a support roller (201) disposed in the oil removal zone (15), and an oil-absorbing and water-repellent sleeve (202) is fixedly sleeved on the roller wall of the support roller (201). One end of the support roller (201) is provided with an installation groove (203), and a support frame (204) is disposed inside the installation groove (203). Multiple ultrasonic transducers (205) are installed on the side wall of the support frame (204), and the ends of each ultrasonic transducer (205) are in contact with the inner wall of the oil-absorbing and water-repellent sleeve (202). The separator (1) An ultrasonic generator (206) is installed on the side wall of the wastewater treatment tank (6), and the ultrasonic generator (206) is electrically connected to the ultrasonic transducer (205) through a rotary joint. A motor drive assembly (207) is installed on the outer side wall of the wastewater treatment tank (6). The motor drive assembly (207) drives the support roller (201) to rotate. The ultrasonic generator (206) and the motor drive assembly (207) are electrically connected to the host (2). An oil scraping assembly (22) corresponding to the position of the oil suction and hydrophobic sleeve (202) is provided inside the oil removal zone (15).

4. The wastewater recycling and treatment device for an intelligent car wash machine according to claim 1, characterized in that, The air flotation mechanism (21) includes a sealing cover (211) fixedly installed on the top of the box cover (104). The air outlet hose (103) is connected to the inside of the sealing cover (211). Multiple air flotation tubes (212) connected to the sealing cover (211) are fixedly inserted into the end face of the box cover (104). The air outlet end of each air flotation tube (212) is located on the lower side inside the oil removal zone (15). The water storage defoaming zone (14) is equipped with an exhaust defoaming component (23), and the exhaust defoaming component (23) is connected to the inside of the oil removal zone (15).

5. The wastewater recycling and treatment device for an intelligent car wash machine according to claim 3, characterized in that, The oil scraping assembly (22) includes an oil scraper (221) fixedly installed at one corner inside the oil removal zone (15), and the oil scraper (221) is inclined. One end of the oil scraper (221) slides in contact with the outer wall of the oil absorption and hydrophobic sleeve (202). An oil drain pipe (222) is fixedly inserted into the side wall of the oil removal zone (15) above the oil scraper (221). An oil storage cover (223) is fixedly installed on the outer wall of the wastewater treatment tank (6), and the oil drain pipe (222) is connected to the oil storage cover (223).

6. The wastewater recycling and treatment device for an intelligent car wash machine according to claim 4, characterized in that, The exhaust defoaming component (23) includes an exhaust hollow plate (231) fixedly installed on the upper side of the inner wall of the water storage defoaming zone (14), and the exhaust hollow plate (231) and the side wall of the oil removal zone (15) are provided with a plurality of round holes (232). A plurality of conical jet heads (233) are fixedly inserted into the side wall of the exhaust hollow plate (231), and the inlet port diameter of each conical jet head (233) is larger than the outlet port diameter.

7. The wastewater recycling and treatment device for an intelligent car wash machine according to claim 1, characterized in that, The end face of the cover (104) is fixedly connected to the exhaust pipe (24), and the air inlet end of the exhaust pipe (24) is located inside the primary filtration area (13).

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