CN220386016U

CN220386016U - Car washing sewage recycling system

Info

Publication number: CN220386016U
Application number: CN202321477983.9U
Authority: CN
Inventors: 牛智峰; 刘占妮
Original assignee: Qingdao Enpu Environmental Equipment Co ltd
Current assignee: Qingdao Enpu Environmental Equipment Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-01-26
Anticipated expiration: 2033-06-09

Abstract

The utility model belongs to the technical field of sewage treatment, and relates to a car washing sewage recycling system, which comprises: one end of the drainage ditch is arranged below a sewage outlet of the car washer; the top of the sedimentation tank is communicated with the other end of the drainage ditch, and an overflow port is formed in the upper part of the sedimentation tank; a clear water pool communicated with the overflow port for storing clear water overflowed from the overflow port; the first water pump is arranged in the clarifying water tank; the water inlet of the filtering device is communicated with the first water pump through a pipeline; the clean water tank is communicated with the water outlet of the filtering device; the second water pump is arranged in the clean water tank and is communicated with the water supply device of the car washer. The utility model can treat the car washing sewage into clear water for recycling, thereby saving water resources and solving the problem of difficult treatment of the car washing sewage.

Description

Car washing sewage recycling system

Technical Field

The utility model belongs to the technical field of sewage treatment, relates to a car washing sewage treatment technology, and in particular relates to a car washing sewage recycling system.

Background

Most of the existing car washing machines use clear water to wash the car, and a large amount of sewage is generated in the car washing process. The existing methods for treating the sewage are as follows: one is to drain the sewage directly into the sewer, so that the treatment mode not only wastes water resources, but also easily causes blockage of the pipeline. The other is to guide the sewage into a water tank of the sand-stone separator through a water ditch for recycling, and the sewage can be reused in the treatment mode, but the water ditch is often required to be long, and the blockage of the water ditch is easy to cause. In addition, only a part of the sewage recovered by the treatment mode is often used, and if the redundant sewage is directly discharged into a sewer, the problem of water resource waste and pipeline blockage still exists, and if the sewage is stored for subsequent use, a large space is required to be occupied.

Disclosure of Invention

Aiming at the problems of water resource waste and the like in the prior art when the carwash sewage is treated, the utility model provides the carwash sewage recycling system, which can be used for changing the treatment of the carwash sewage into the recycling of clear water, thereby saving the water resource and solving the problem of difficult treatment of the carwash sewage.

In order to achieve the above object, the present utility model provides a carwash sewage recycling system, comprising:

one end of the drainage ditch is arranged below a sewage outlet of the car washer;

the top of the sedimentation tank is communicated with the other end of the drainage ditch, and an overflow port is formed in the upper part of the sedimentation tank;

a clear water pool communicated with the overflow port for storing clear water overflowed from the overflow port;

the first water pump is arranged in the clarifying water tank;

the water inlet pipe of the filtering device is communicated with the first water pump;

the clean water tank is communicated with a water outlet pipe of the filtering device;

the second water pump is arranged in the clean water tank and is communicated with the water supply device of the car washer.

In some embodiments, the system further comprises a control device comprising a controller electrically connected to the first water pump, the filter device, the second water pump, and the water supply device.

In some embodiments, the filtering device comprises a bracket and a filtering tank body arranged on the bracket, a quartz sand filtering layer is arranged in the filtering tank body, a water inlet pipe and a sewage draining pipe are connected above the side wall of the filtering tank body, the tail end of the water inlet pipe is provided with a water distribution device, and the bottom of the filtering tank body is connected with a water outlet pipe and a back flushing pipe; the water inlet pipe is communicated with the first water pump, and a water inlet valve electrically connected with the controller is arranged on the water inlet pipe; the drain pipe is communicated with the sedimentation tank, and a drain valve electrically connected with the controller is arranged on the drain pipe; the water outlet pipe is provided with a water outlet valve electrically connected with the controller, the back flushing pipe is provided with a back flushing valve electrically connected with the controller, and the back flushing pipe is communicated with a third water pump arranged in the clean water tank.

In some embodiments, a pressure sensor for detecting the pressure in the tank body is further arranged in the filtering tank body, and the pressure sensor and the third water pump are electrically connected with the controller.

In some embodiments, the water distribution device comprises a plurality of water distribution pipes which are mutually crossed and communicated and are circumferentially distributed, and each water distribution pipe is provided with a plurality of water distribution holes with upward openings.

In some embodiments, the filter device further comprises a gas distribution device connected below the sidewall of the filter tank and extending to the quartz sand filter layer.

In some embodiments, the water supply device comprises a water tank and a fourth water pump communicated with the water tank, the water tank is communicated with the second water pump, and the fourth water pump is communicated with a water supply pipeline of the car washer so as to boost clear water in the water tank to a set pressure and then send the pressurized clear water into the water supply pipeline of the car washer for car washing.

In some embodiments, the control device further comprises a first level sensor disposed within the clarified water tank and a second level sensor disposed within the tank; the first liquid level sensor is in communication connection with the controller to transmit the detected clarified water pond liquid level to the controller; the second liquid level sensor is in communication connection with the controller to transmit the detected water tank liquid level to the controller.

In some embodiments, the system further comprises a control room, wherein the controller and the fourth water pump are disposed within the control room.

In some embodiments, the bottom of the sedimentation tank is arranged obliquely so as to clean sediment deposited at the bottom of the sedimentation tank.

Compared with the prior art, the utility model has the advantages and positive effects that:

(1) The utility model processes the sewage generated by the car washing of the car washing machine, changes the sewage into clear water for recycling, saves water resources, solves the problem of difficult treatment of the sewage of the car washing, and has high environmental protection benefit.

(2) The utility model is provided with the control device, the whole sewage treatment process is automatically controlled by the controller, the whole automation degree is high, the operation is simple, the safety and reliability are realized, and the performance is stable.

(3) The utility model has compact layout, reasonable structure, small occupied area, low investment cost, low operation cost and high economic benefit.

(4) According to the utility model, the water distribution device is used for distributing the inflow water so as to reduce the flushing of the quartz sand filter layer by the water flow and reduce the impact force of the water flow on the quartz sand filter layer.

(5) According to the utility model, the gas distribution device is combined with the backwashing pipe to backwash the quartz sand filter layer, so that the integral filtering efficiency of the quartz sand filter layer is improved, and the service life of the filtering device is prolonged.

Drawings

FIG. 1 is a schematic diagram of a system for recycling sewage from car washing according to an embodiment of the present utility model;

FIG. 2 is a control block diagram of a system for recycling car washing wastewater according to an embodiment of the utility model;

FIG. 3 is a schematic view of a filtering device according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a water distribution device according to an embodiment of the present utility model;

fig. 5 is a flowchart of the operation of the system for recycling and reusing sewage from car washing according to the embodiment of the present utility model.

In the figure, 1, a car washer, 2, a drainage ditch, 3, a sedimentation tank, 301, an overflow port, 4, a clarified water tank, 5, a first water pump, 6, a filtering device, 601, a water inlet pipe, 6011, a water inlet valve, 602, a water outlet pipe, 6021, a water outlet valve, 603, a bracket, 604, a filtering tank body, 605, a quartz sand filtering layer, 606, a drain pipe, 6061, a drain valve, 607, a backwashing pipe, 6071, a backwashing valve, 608, a water distribution pipe, 6081, a water distribution hole, 6091, a gas distribution main pipe, 6092, a gas distribution branch pipe, 6093, a gas distribution hole, 7, a clean water tank, 8, a second water pump, 9, a controller, 10, a third water pump, 11, a pressure sensor, 12, a water tank, 13, a fourth water pump, 14, a first liquid level sensor, 15, a second liquid level sensor, 16 and a control chamber.

Detailed Description

The present utility model will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", etc. are positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, the present embodiment provides a carwash sewage recycling system, including:

one end of the drainage ditch 2 is arranged below a sewage outlet of the car washer 1;

the top of the sedimentation tank 3 is communicated with the other end of the drainage ditch 2, and an overflow port 301 is formed in the upper part of the sedimentation tank 3;

a clarified water tank 4 which communicates with the overflow port 301 to store clarified water overflowed from the overflow port 301;

a first water pump 5 arranged in the clarifying basin 4;

a filtering device 6, the water inlet pipe 601 of which is communicated with the first water pump 5;

a clean water tank 7 communicated with a water outlet pipe 602 of the filtering device 6;

the second water pump 8 is arranged in the clean water tank 7 and is communicated with the water supply device of the car washer 1.

According to the system for recycling the sewage generated by car washing of the car washing machine, the sewage generated by car washing of the car washing machine is sent into the sedimentation tank through the drainage ditch, solid impurities are deposited in the sedimentation tank, the supernatant water on the upper layer flows into the supernatant water tank through the overflow port, the supernatant water in the supernatant water tank is pumped into the filtering device through the first water pump, the supernatant water is obtained after filtering through the filtering device, the supernatant water enters the clear water tank through the water outlet pipe of the filtering device for storage, and the clear water in the clear water tank can be continuously used for car washing, so that the aim of recycling is fulfilled, water resources are saved, and the problem of car washing sewage treatment is solved.

In some embodiments, referring to fig. 2, the above-mentioned carwash sewage recycling system further comprises a control device, wherein the control device comprises a controller 9, and the controller 9 is electrically connected with the first water pump 5, the filtering device 6, the second water pump 8 and the water supply device. The first water pump, the filtering device, the second water pump and the water supply device are controlled by the controller to work, so that the automatic treatment and the cyclic recycling of the car washing sewage are realized.

In some embodiments, referring to fig. 3, the filtering device 6 includes a bracket 603 and a filtering tank 604 disposed on the bracket 603, a quartz sand filtering layer 605 is disposed in the filtering tank 604, a water inlet pipe 601 and a sewage drain pipe 606 are connected above a sidewall of the filtering tank 604, a water distribution device is disposed at an end of the water inlet pipe 601, and a water outlet pipe 602 and a backwash pipe 607 are connected at a bottom of the filtering tank 604; the water inlet pipe 601 is communicated with the first water pump 5, and a water inlet valve 6011 electrically connected with the controller 9 is arranged on the water inlet pipe 601; the blow-down pipe 606 is communicated with the sedimentation tank 3, and a blow-down valve 6061 electrically connected with the controller 9 is arranged on the blow-down pipe 606; the water outlet pipe 602 is provided with a water outlet valve 6021 electrically connected with the controller 9, the back flushing pipe 607 is provided with a back flushing valve 6071 electrically connected with the controller 9, and the back flushing pipe 607 is communicated with a third water pump 10 arranged in the clean water tank 7. When the filtering device works, the controller controls the water inlet valve and the water outlet valve to be opened, controls the sewage discharge valve and the back flushing valve to be closed, and the clarified water enters the water distribution device through the water inlet pipe and enters the quartz sand filtering layer through the water distribution device, and the particles, suspended matters, sludge, colloid and other impurities in the clarified water are intercepted through the filtration of the quartz sand filtering layer, so that the clarified water is obtained through clarification of the water inlet, and the filtration of the clarified water is realized. In the filtering process, as the clarified water enters the filtering device, impurities in the clarified water are intercepted by a quartz sand filtering layer of the filtering device, and are continuously accumulated in the quartz sand filtering layer, so that the filtering effect is affected. In order to improve the filtering effect, clean water is pumped into the filtering tank body through a back flushing pipe by a third water pump, the quartz sand filtering layer is back flushed, and sewage generated by back flushing is discharged into the sedimentation tank through a sewage discharge pipe.

In some embodiments, with continued reference to fig. 2, a pressure sensor for detecting the pressure in the tank is further provided in the filtration tank, and the pressure sensor 11 and the third water pump 10 are electrically connected to the controller 9. When the pressure in the filtering tank body detected by the pressure sensor reaches the set pressure, the controller controls the third water pump to pump clean water into the filtering tank body through the backwashing pipe, and backwashing is carried out on the quartz sand filtering layer.

In some embodiments, the controller may further control the third water pump to pump clean water into the filter tank body through the backwash pipe according to the set time to backwash the quartz sand filter layer.

In some embodiments, referring to fig. 4, the water distribution device includes a plurality of water distribution pipes 608 that are mutually crossed and communicated and distributed circumferentially, and each water distribution pipe 608 is provided with a plurality of water distribution holes 6081 with upward openings. The water distribution device improves the water inflow and shunts, prolongs the time for the water inflow to enter the quartz sand filter layer 605, improves the filtering efficiency of the water inflow, and avoids the condition that the filtering effect is affected due to the impact of the water flow on the quartz sand filter layer 605.

Specifically, the tail end of the water inlet pipe is connected to the bottom center of the water distribution device, and the water inlet enters the bottom center of the water distribution device through the water inlet pipe and respectively enters each water distribution pipe, and is sprayed into the quartz sand filter layer through the water distribution holes on each water distribution pipe. The tail end of each water distribution pipe is welded and fixed on the inner wall of the filtering tank body.

In some embodiments, with continued reference to fig. 3, the filter apparatus further includes a gas distribution device connected below the sidewall of the filter tank and extending to the quartz sand filter layer.

Specifically, with continued reference to fig. 2, the gas distribution device includes a gas distribution main pipe 6091, a gas distribution branch pipe 6092 located in the quartz sand filtering layer 605 and connected to the gas distribution main pipe 6091, the gas distribution branch pipe 6092 is horizontally arranged, a plurality of gas distribution holes (not shown in the figure) with upward openings are uniformly formed in the gas distribution branch pipe 6092, the diameter of the gas distribution holes is smaller than that of the filtering material in the quartz sand filtering layer 605, and the filtering material in the quartz sand filtering layer 605 is prevented from entering the gas distribution holes to block the gas distribution branch pipe 6092 and the gas distribution main pipe 6091. The air distribution device is matched with water inflow to achieve the aim of backwashing the filter material in the quartz sand filter layer 605. An air distribution valve is arranged on the air distribution main pipe 6091 positioned outside the filter tank 604.

In some embodiments, with continued reference to fig. 1, the water supply device includes a water tank 11 and a fourth water pump 13 in communication with the water tank 12, the water tank 12 is in communication with the second water pump 8, and the fourth water pump 13 is in communication with the water supply line of the car washer 1 to pressurize the fresh water in the water tank to a set pressure and then send the pressurized fresh water to the water supply line of the car washer for washing.

In some embodiments, with continued reference to fig. 2, the control device further includes a first level sensor 14 disposed within the clarified water tank and a second level sensor 15 disposed within the tank; the first liquid level sensor 14 is in communication connection with the controller 9 to transmit the detected clarified water sump liquid level thereof to the controller 9; the second level sensor 15 is in communication with the controller 9 for transmitting the detected tank level thereof to the controller 9. When the first liquid level sensor detects that the clarified water in the clarified water tank reaches a set value, the controller controls the first water pump to work, the clarified water is pumped into the filtering device to be filtered, and the automatic filtering is realized. When the second liquid level sensor detects that the water level in the water tank is reduced to a set value, the controller controls the third water pump to work, and clean water in the clean water tank is pumped into the water tank, so that the car washer washes a car, and automatic water adding is achieved.

In some embodiments, the control room 16 is further included, and the controller 9 and the fourth water pump 13 are disposed in the control room 16.

The system for recycling the car washing sewage can be directly applied to an operation site, and the sewage can be directly recycled after being treated and used for car washing.

Referring to fig. 5, the working flow of the above-mentioned carwash sewage recycling system is as follows:

the sewage generated by the car washer 1 enters the sedimentation tank 3 through the drainage ditch 2, the solid impurities with larger particles in the sewage can be deposited at the bottom of the sedimentation tank 3, the upper layer is clear water, and the clear water overflows into the clear water tank 4 through the overflow port. When the first liquid level sensor detects that the clarified water in the clarified water pond reaches a set value, the controller controls the first water pump to work and pump the clarified water into the filtering device 6 through the first water pump. The filtered water is changed into clean water after being filtered by the filtering device 6 and flows into the clean water tank 7 for storage. The clean water in the clean water tank 4 is pumped into the water tank 11 through the third water pump, and the clean water in the water tank 11 is pressurized to a set pressure through the fourth water pump and then enters a water supply pipeline of the car washer 1 to wash the car.

When more sediment is deposited in the sedimentation tank, the sediment at the bottom can be shoveled away by a forklift.

When the pressure in the filtering tank body detected by the pressure sensor reaches the set pressure, the controller controls the third water pump to pump clean water into the filtering tank body through the backwashing pipe, and backwashing is carried out on the quartz sand filtering layer.

In the whole treatment process of the car washing sewage recycling system, full-automatic control is realized through the controller, and the car washing sewage recycling system is simple in operation, safe, reliable and high in treatment efficiency.

The above-described embodiments are intended to illustrate the present utility model, not to limit it, and any modifications and variations made thereto are within the spirit of the utility model and the scope of the appended claims.

Claims

1. A carwash sewage recycling system, comprising:

the first water pump is arranged in the clarifying water tank;

the filtering device comprises a bracket and a filtering tank body arranged on the bracket, a quartz sand filtering layer is arranged in the filtering tank body, a water inlet pipe and a sewage draining pipe are connected above the side wall of the filtering tank body, a water outlet pipe is connected to the bottom of the filtering tank body, the water inlet pipe is communicated with the first water pump, and the sewage draining pipe is communicated with the sedimentation tank;

2. The vehicle wash sewage recycling system of claim 1, further comprising a control device comprising a controller electrically connected to the first water pump, the filter device, the second water pump, and the water supply device.

3. The carwash sewage recycling system according to claim 2, wherein the tail end of the water inlet pipe is provided with a water distribution device, and the bottom of the filtering tank body is connected with a back flushing pipe; the water inlet pipe is provided with a water inlet valve which is electrically connected with the controller; a drain valve electrically connected with the controller is arranged on the drain pipe; the water outlet pipe is provided with a water outlet valve electrically connected with the controller, the back flushing pipe is provided with a back flushing valve electrically connected with the controller, and the back flushing pipe is communicated with a third water pump arranged in the clean water tank.

4. The carwash sewage recycling system of claim 3, wherein the filter tank is further provided with a pressure sensor for detecting the pressure in the tank, and the pressure sensor and the third water pump are electrically connected with the controller.

5. The carwash sewage recycling system of claim 3, wherein the water distribution device comprises a plurality of water distribution pipes which are mutually crossed and communicated and are circumferentially distributed, and each water distribution pipe is provided with a plurality of water distribution holes with upward openings.

6. The carwash sewage recycling system of claim 3, wherein the filtering device further comprises a gas distribution device connected below the side wall of the filtering tank and extending to the quartz sand filtering layer.

7. The carwash sewage recycling system of claim 2, wherein the water supply device comprises a water tank and a fourth water pump communicated with the water tank, the water tank is communicated with the second water pump, and the fourth water pump is communicated with a water supply pipeline of the car washer so as to boost clear water in the water tank to a set pressure and then send the pressurized clear water into the water supply pipeline of the car washer for carwash.

8. The carwash sewage recycling system of claim 7, wherein the control device further comprises a first liquid level sensor disposed in the clear water tank and a second liquid level sensor disposed in the water tank; the first liquid level sensor is in communication connection with the controller to transmit the detected clarified water pond liquid level to the controller; the second liquid level sensor is in communication connection with the controller to transmit the detected water tank liquid level to the controller.

9. The carwash sewage recycling system of claim 7 or 8, further comprising a control chamber, wherein the controller and the fourth water pump are disposed within the control chamber.

10. The carwash sewage recycling system of any one of claims 1 to 8, wherein the bottom of the sedimentation tank is inclined so as to clean sediment deposited at the bottom of the sedimentation tank.