CN112723671B

CN112723671B - Pipeline version robot water treatment system

Info

Publication number: CN112723671B
Application number: CN202011522875.XA
Authority: CN
Inventors: 施恒之
Original assignee: Zhejiang Yikm Intelligent Technology Co ltd
Current assignee: Zhejiang Yikm Intelligent Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2022-04-22
Anticipated expiration: 2040-12-21
Also published as: CN112723671A

Abstract

The invention relates to a pipeline version robot water treatment system, which comprises a sewage tank, an oil removal module, an MBR membrane filtration module, a clean water tank and a control end, wherein the sewage tank, the oil removal module, the MBR membrane filtration module, the clean water tank and the control end are sequentially communicated; the sewage tank is used for storing sewage, and a primary filtering bottom valve is arranged in the water outlet end of the sewage tank; the oil removal module is used for removing miscellaneous oil and impurities in water; compared with the prior art, the automatic oil-water separation device has the advantages that most of impurities can be filtered out through the first three-stage filtration, oil is removed through the oil removal hydrodynamic cavitation treatment assembly, oil-water separation is realized by utilizing the hydrodynamic cavitation principle, oil enters the oil pool through the overflow pipe to be collected, and final filtration is performed on the MBR membrane filtration module through the three-stage filtration tank, so that the impurities and oil stains can be completely filtered out.

Description

Pipeline version robot water treatment system

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a pipeline version robot water treatment system.

Background

The car washing wastewater purification and reuse treatment can reduce sewage discharge on one hand, and can save water and car washing cost on the other hand, and the main purpose of the purification and reuse treatment is to separate silt and miscellaneous oil in water, thereby achieving the purpose of car washing again.

The current common treatment modes are an electrolytic method, a membrane biological reaction method and the like, but facilities used by the methods have the problems of higher energy consumption, low treatment efficiency, frequent maintenance, high requirement on sites and high investment cost more or less.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a pipeline version robot water treatment system.

In order to realize the purpose of the invention, the invention adopts the following technical scheme: a pipeline version robot water treatment system comprises a sewage tank, an oil removal module, an MBR membrane filtration module, a clean water tank and a control end which are sequentially communicated;

the sewage tank is used for storing sewage, and a primary filtering bottom valve is arranged in the water outlet end of the sewage tank;

the oil removal module is used for removing miscellaneous oil and impurities in water, and at least comprises a primary filter tank communicated with the water outlet end of a sewage tank, a secondary filter tank communicated with the primary filter tank, a first electromagnetic water valve communicated with the secondary filter tank, a liquid inlet pump communicated with the first electromagnetic water valve, an oil removal tank communicated with the liquid inlet pump, an oil tank communicated with the oil removal tank through an overflow pipe, a centrifugal pump communicated with the bottom of the oil removal tank, a hydraulic cavitation treatment component communicated with the centrifugal pump, a three-way water valve respectively communicated with the oil removal tank and the hydraulic cavitation treatment component, and a three-stage filter tank communicated with the three-way water valve, wherein the other end of the three-way water valve is communicated with the oil removal tank, a first liquid level sensor is arranged in the oil removal tank, and a first pressure gauge is arranged between the secondary filter tank and the first electromagnetic water valve;

the MBR membrane filtering module is used for further filtering impurities, a second liquid level sensor is arranged in the MBR membrane filtering module, the top of the MBR membrane filtering component is communicated with a third-stage filtering tank, and a second pressure gauge and a second electromagnetic water valve are arranged between the third-stage filtering tank and the MBR membrane filtering component;

the clean water tank is used for storing clean water, a third liquid level sensor is arranged in the clean water tank, a water suction pump and a third electromagnetic water valve are arranged between the clean water tank and the MBR membrane filtering assembly, and an automatic water replenishing module is further arranged on the clean water tank;

and the control end is used for controlling and reading each pump body, each valve body, each pressure gauge and each liquid level sensor.

The working principle is as follows: the sewage tank can store sewage after car washing, during work, the sewage tank is pumped by a liquid inlet pump, large-particle silt and stones are filtered by a primary filtering bottom valve, the sewage is further filtered by primary and secondary filtering, most of solid impurities can be filtered, oil removal and deodorization are performed by an oil removal module, oil stain enters the oil tank through an overflow pipe, secondary filtering is continuously performed by tertiary filtering after oil removal, and finally the sewage is further treated by an MBR membrane filtering module to thoroughly remove impurities, organic matters and peculiar smell and finally is introduced into a clean water tank;

has the advantages that: 1. compared with the prior art, the method has the advantages that electrolysis operation is not needed, the energy consumption is lower, the continuity is higher, most impurities can be filtered out through multi-stage filtration, the oil removing module can achieve an excellent oil removing effect, and oil stains can be collected in the oil pool;

2. the control end can realize full-automatic control of each part and realize the unattended function;

3. automatic water replenishing can be realized through the automatic water replenishing module, and the problem that the sewage treatment efficiency cannot keep pace with the use of continuous car washing is solved; the principle of hydrodynamic cavitation is utilized to realize high-efficiency deoiling, and simultaneously, the mechanical effect and the thermal effect generated when cavitation bubbles collapse can be utilized to play a role in sterilization and deodorization, when water flow generates cavitation, micro bubbles in a water body are oscillated to generate, enlarge, contract and destroy, so that severe shock waves are generated in liquid near the bubbles, and huge high temperature and high pressure of local points are formed;

4. at such extreme high temperature, high pressure, high jet flow is generated with tens of thousands of continuous actions per second, causing turbulence effect, perturbation effect, interface effect, energy-gathering effect, bringing about extremely high pressure pulses, micro jet flow and shock waves. When the mechanical effect and the thermal effect act on microorganisms, the cells are vibrated to break cell walls, so that the sterilization and disinfection effects are achieved, the breeding of the microorganisms in water can be inhibited, the microorganisms in the water are evolved, and the deodorization function is achieved.

5. Compared with the prior art, the oil removal module and the MBR membrane filtration module do not need a larger field, so the invention also has the advantage of small occupied field, and especially, the occupied space of each pipeline, each pump body and each filtration tank of the oil removal module can be further reduced through reasonable layout.

Furthermore, a float liquid level meter which is in communication connection with the control end is arranged in the sewage tank, the bottoms of the oil removal tank, the MBR membrane filtration module and the clean water tank are communicated with the sewage tank through water pipes and emptying valves, and each emptying valve is in communication connection with the control end. This setting, through control end control blowoff valve to the deoiling pond, carry out regularly blowdown operation in MBR membrane filtration module and the clear water pond, arrange solid impurity in the sewage pond, the convenience is unified when maintaining and is handled, show the maintenance cycle who increases the deoiling pond, MBR membrane filtration module and clear water pond, reduce the maintenance cost, wherein can judge through the float level gauge and be higher than behind the highest value of settlement when sewage liquid level in the sewage pond, close each blowoff valve, open the feed liquor pump and carry out sewage treatment step or when sewage treatment, close each blowoff valve, open sewage pond alarm operation, improve the operating efficiency of each pump, improve water purification efficiency.

Further, the bottom of the oil removal tank is provided with an inclined base, and the inclined base is arranged towards an outlet at the bottom of the oil removal tank. This setting, under the action of gravity, solid impurity in the sewage can pile up and pile up in the deoiling bottom of the pool, and through the setting of tilt base this moment, the exit of deoiling bottom of the pool portion is led to impurity guide, makes things convenient for solid impurity to carry out the discharge after the blowoff valve is opened.

Further, hydrodynamic cavitation processing subassembly includes first inlet, second inlet, liquid outlet, cavitation room and negative pressure regulation mouth at least, both ends about the cavitation room are located respectively to first inlet and second inlet, the top of cavitation room is located to the liquid outlet, just negative pressure regulation mouth has connected gradually check valve and manual valve through the pipeline, the cavitation room is the arc setting. The device comprises an oil sewage inlet, an oil sewage outlet, a three-way water valve, a three-stage filter tank, a water inlet, a water outlet, a water inlet valve, a water outlet valve, a water inlet valve, a water outlet valve, a water outlet valve, a water outlet, a, make the gas-liquid mixture degree increase, the oil and the water that are broken up can make oil go up to the liquid upper strata through the air supporting in deoiling the pond, can make the oil reservoir overflow enter into the oil bath through the overflow pipe of debugging well in advance and unify the collection this moment, make things convenient for subsequent processing, so circulate the deoiling many times, switch three water valves again for deoiling pond and tertiary filtration jar intercommunication, carry out water purification operation on next step, show and promote deoiling efficiency.

Furthermore, a plurality of obliquely arranged partition plates are arranged in the oil removal tank, and a plurality of partition plate holes which are uniformly arrayed are formed in each partition plate. This setting can show the route that flows when promoting liquid circulation through the baffle for oil in aqueous can be partly adsorbed on the baffle, especially cooperates aforementioned hydrodynamic cavitation effect, can further promote deoiling efficiency.

Furthermore, the automatic water replenishing module comprises a tap water pipe communicated with a water source and a fourth electromagnetic water valve arranged in the tap water pipe, and the fourth electromagnetic water valve is in communication connection with the control end. With the arrangement, when the liquid level in the clean water tank is too low and the water supplied by the MBR membrane filtering module is not enough to be supplied to the car washing robot or equipment, the fourth electromagnetic water valve is opened through the control end, and the tap water is received from the tap water pipe to supplement clean water, so that an emergency effect can be achieved.

Furthermore, the control end has a manual mode, an automatic mode and an alarm mode;

the manual mode realizes debugging and maintenance operation by operating the control end to inching control the actions of each pump body and the valve body;

in the automatic mode, the control end controls the action of each pump body and the valve body according to the data of each liquid level sensor in the oil removal tank, the MBR membrane filtration membrane assembly and the clear water tank, so that the automatic liquid inlet and filtering oil removal agent liquid discharging function of the oil removal tank, the automatic liquid inlet and discharging function of the MBR membrane filtration membrane assembly and the automatic liquid inlet and supplementing function of the clear water tank are realized;

and in the alarm mode, the control end detects the state data of each valve body, each liquid level sensor and each pressure gauge to perform corresponding alarm measures. The manual operation can be realized in the modes, the full-automatic operation can also be realized, and particularly, each component can be monitored and alarmed in time, so that a technician can find problems in time and handle or overhaul the problems, accidents are prevented, manual periodical overhaul is not needed, the on-site attendance is not needed, and the on-site attendance can be realized in an office or in a remote place.

Further, the automatic mode specifically includes the steps of:

judging whether the oil removal module carries out oil removal and drainage operations;

if so, continuously judging whether the liquid level of the oil removal tank is lower than the oil removal starting liquid level;

if the liquid level of the oil removal tank is lower than the oil removal starting liquid level, opening a first electromagnetic water valve and a liquid inlet pump to carry out liquid inlet operation on the oil removal tank;

judging whether the liquid level in the oil removing tank reaches a set oil removing starting liquid level or not;

if so, starting the hydrodynamic cavitation processing assembly and the centrifugal pump, switching a three-way water valve channel to enable the hydrodynamic cavitation processing assembly to be communicated with the oil removal tank, performing circulating oil removal operation and setting oil removal time;

stopping circulation after the set time is reached, and judging whether the liquid level in the MBR membrane filtration module is lower than the drainage closing liquid level of the oil removal tank or not;

if so, switching the three-way water valve, opening a channel between the oil removal tank and the third-stage filter tank, and opening a second electromagnetic water valve to perform liquid drainage operation on the MBR membrane filter module;

judging whether the liquid level in the MBR membrane filtration module is higher than or equal to the drainage closing liquid level of the oil removal tank;

if so, finishing the liquid discharge of the oil removal tank;

judging whether the liquid level of the clear water tank is lower than the liquid discharge closing liquid level of the MBR membrane filtration module;

if so, starting the water suction pump and the third electromagnetic water valve to carry out irrigation operation on the clean water tank;

judging whether the liquid level of the clear water tank is equal to or higher than the liquid discharge closing liquid level of the oil removal tank;

if so, closing the water suction pump and the third electromagnetic water valve, and stopping draining;

judging whether the liquid level of the clear water tank is lower than a set minimum threshold value or not;

if so, opening an automatic water replenishing module to perform water replenishing operation on the clean water tank;

and when the liquid level in the clean water tank is higher than the minimum threshold value, stopping supplementing water. The steps can realize the full-automatic purification and circulation of the sewage without manual on-site attendance.

Further, the alarm mode at least comprises a second-stage filter tank pressure high alarm, a liquid inlet pump overload alarm, an oil removal tank liquid level high alarm, a centrifugal pump pressure abnormity alarm, a centrifugal pump overload alarm, a water suction pump overload alarm, a third-stage filter tank pressure high alarm, an MBR membrane filter assembly liquid level high alarm, a clean water tank liquid level high alarm and an emergency stop alarm. The various alarm modes can provide fault problems for maintenance personnel in detail, and the maintenance personnel can conveniently carry out overhauling or debugging operation.

Further, the bottom of the oil pool is provided with a manual emptying valve. With the arrangement, the oil stain can be removed periodically by manually opening the manual emptying valve.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion of the hydrodynamic cavitation processing assembly;

FIG. 3 is a schematic view of the internal structure of the oil removal tank;

FIG. 4 is a schematic diagram of a partial structure of an MBR membrane filtration module;

FIG. 5 is a schematic diagram of a control terminal of the present invention;

FIG. 6 is a flow chart illustrating the automatic mode of the present invention.

In the figure, 1, a sewage tank; 2. an oil removal module; 3. an MBR membrane filtration module; 4. a clean water tank; 5. a control end; 6. an evacuation valve; 7. a first pressure gauge; 8. an automatic water replenishing module; 9. a water taking pump; 11. a primary filter bottom valve; 12. a float level gauge; 21. a primary filtration tank; 22. a secondary filtration tank; 23. a first electromagnetic water valve; 24. a liquid inlet pump; 25. an oil removal tank; 26. a centrifugal pump; 27. a hydrodynamic cavitation processing assembly; 28. a three-way water valve; 29. a third stage filtration tank; 251. an oil sump; 2511. a manual purge valve; 252. a first liquid level sensor; 253. an inclined base; 254. a partition plate; 255. an overflow pipe; 271. a first liquid inlet; 272. a second liquid inlet; 273. a liquid outlet; 274. a cavitation chamber; 275. a negative pressure regulating port; 2751. a check valve; 2752. a manual valve; 31. a second liquid level sensor; 32. a second pressure gauge; 33. a second electromagnetic water valve; 41. a third liquid level sensor; 42. a water pump; 43. a third electromagnetic water valve; 81. a tap water pipe; 82. and a fourth electromagnetic water valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above terms should not be construed as limiting the present invention.

As shown in fig. 1, the pipeline version robot water treatment system comprises a sewage tank 1, an oil removal module 2, an MBR membrane filtration module 3, a clean water tank 4 and a control end 5 which are sequentially communicated through a water pipe;

specifically, the wastewater tank 1 is used for storing wastewater, and a primary filtering bottom valve 11 is arranged in a water outlet end of the wastewater tank, wherein the wastewater tank 1 is of a common structure, is selected in size and position according to actual design, and is generally arranged at the bottom of the robot.

Preferably, the sewage tank 1 is internally provided with an existing float liquid level meter 12 which is in communication connection with the control end 5, the bottoms of the oil removal tank 25, the MBR membrane filtration module 3 and the clean water tank 4 are communicated with the sewage tank 1 through water pipes and emptying valves 6, and each emptying valve 6 is in communication connection with the control end 5 through a lead. This setting, through control end 5 control blowoff valve 6 to deoiling pond 25, carry out regularly blowdown operation in MBR membrane filtration module 3 and the clean water basin 4, arrange solid impurity in effluent water sump 1, conveniently unify the processing when maintaining, show to increase deoiling pond 25, the maintenance cycle of MBR membrane filtration module 3 and clean water basin 4, reduce the maintenance cost, wherein can judge through float level gauge 12 when the effluent water level is higher than the highest value of settlement in effluent water sump 1 after, close each blowoff valve 6, open feed liquor pump 24 and carry out the sewage treatment step or when sewage treatment, close each blowoff valve 6, open effluent water sump 1 alarm operation, improve the operating efficiency of each pump, improve water purification efficiency.

Specifically, the oil removal module 2 is used for removing miscellaneous oil and impurities in water, and at least comprises a primary filter tank 21 communicated with the water outlet end of the sewage tank 1, a secondary filter tank 22 communicated with the primary filter tank 21, a first electromagnetic water valve 23 communicated with the secondary filter tank 22, a liquid inlet pump 24 communicated with the first electromagnetic water valve 23, an oil removal tank 25 communicated with the liquid inlet pump 24, an oil tank 251 communicated with the oil removal tank 25 through an overflow pipe 255, a centrifugal pump 26 communicated with the bottom of the oil removal tank 25, a hydraulic cavitation treatment component 27 communicated with the centrifugal pump 26, a three-way water valve 28 respectively communicated with the oil removal tank 25 and the hydraulic cavitation treatment component 27, and a three-stage filter tank 29 communicated with the three-way water valve 28, the other end of the three-way water valve 28 is communicated with the oil removal tank 25, a first liquid level sensor 252 is arranged in the oil removal tank 25, and a first pressure gauge 7 is arranged between the secondary filter tank 22 and the first electromagnetic water valve 23. The bottom of the oil removal tank 25 is provided with an inclined base 253, and the inclined base 253 is arranged towards an outlet at the bottom of the oil removal tank 25. This setting, under the action of gravity, solid impurity in the sewage can pile up and pile up in deoiling pond 25 bottom, and through the setting of tilting base 253, the exit of guiding impurity to deoiling pond 25 bottom makes things convenient for solid impurity to carry out the discharge after blowoff valve 6 is opened this moment.

Preferably, a manual emptying valve 2511 is arranged at the bottom of the oil pool 251. With this arrangement, the manual drain valve 2511 can be manually opened to periodically remove the oil.

As shown in fig. 2, specifically, the hydrodynamic cavitation processing assembly 27 at least includes a first liquid inlet 271, a second liquid inlet 272, a liquid outlet 273, a cavitation chamber 274 and a negative pressure adjusting port 275, the first liquid inlet 271 and the second liquid inlet 272 are respectively disposed at the left and right ends of the cavitation chamber 274 and are communicated with the centrifugal pump 26, the liquid outlet 273 is disposed at the top of the cavitation chamber 274, the negative pressure adjusting port 275 is sequentially connected with a check valve 2751 and a manual valve 2752 through a pipeline, and the cavitation chamber 274 is arranged in an arc shape. According to the arrangement, the oily water which is introduced into the oil removal tank 25 from the first liquid inlet 271 through the centrifugal pump 26 and the oily water which is introduced into the oil removal tank 25 from the second liquid inlet 272 are cut off from the channel of the three-stage filter tank 29, the channel of the oil removal tank 25 is opened, the reinforced hydrodynamic cavitation effect is generated by utilizing the hydrodynamic cavitation principle, high-speed liquid passes through the diameter-variable pipeline, when the internal pressure of the liquid is reduced, the processes of formation, development and collapse of steam or air cavities in the liquid or on the liquid-solid interface are realized, so that the molecular wrapping structure of an oil-water mixture is broken, oil and water are separated, meanwhile, the hydrodynamic cavitation processing component 27 can generate negative pressure to suck air through the negative pressure adjusting port 275, the check valve 2751 can prevent the air in the cavitation chamber 274 from flowing backwards, the sucked air flow can be controlled by manually adjusting the manual valve 2752 in advance in the debugging stage, so that the best cavitation effect can be conveniently debugged, after the air entered into cavitation room 274, make the gas-liquid mixing degree increase, the oil and the water that are broken up can make oil through the air supporting come-up to the liquid upper strata in deoiling pond 25, can make the oil reservoir overflow enter into oil bath 251 and unify the collection through the overflow pipe 255 debugged in advance this moment, convenient subsequent processing, the deoiling of so circulation is many times, switch tee bend water valve 28 again, make deoiling pond 25 and tertiary filtration jar 29 intercommunication, carry out water purification operation on next step, it has promoted deoiling efficiency to show, hydrodynamic cavitation processing subassembly 27 still has the deodorization effect of disinfecting.

As shown in fig. 3, preferably, a plurality of obliquely arranged partition plates 254 are arranged in the oil removing pool 25, and a plurality of partition plate 254 holes are uniformly arranged in an array on each partition plate 254. According to the arrangement, the flow path of the liquid during circulation can be obviously improved through the partition plate 254, so that the oil in the water can be partially adsorbed on the partition plate 254, and particularly, the oil removal efficiency can be further improved by matching with the hydrodynamic cavitation effect.

Specifically, the MBR membrane filtration module 3 is used for further filtering impurities, and is provided with a second liquid level sensor 31 therein, the top of the MBR membrane filtration assembly is communicated with a tertiary filtration tank 29, and a second pressure gauge 32 and a second electromagnetic water valve 33 are arranged between the tertiary filtration tank 29 and the MBR membrane filtration assembly.

As shown in fig. 4, it is a diagram of an installation mode of an MBR membrane, which mainly includes a membrane frame, an MBR membrane, aeration branch pipes and an aeration main pipe, which are arranged in an MBR filtration tank.

Wherein the one-level filters jar 21 and second grade and filters jar 22 and is equipped with different aperture filter screens respectively, carry out the two-stage filtration, and the filter screen has also been adopted to tertiary filtration jar 29, it is littleer to compare the filter screen aperture that second grade filtered jar 22, sewage is as long as through first cubic filtration and deoiling, as long as carry out MBR membrane filtration again, basically, the oil yield can reach 99.9%, accord with the service standard of carwash water completely, especially can set up the life that the filter screen in jar 21 was filtered to each level in advance in the system, then calculate the life-span of every filter screen according to the operating time, thereby can play the function of automatic suggestion change filter screen, show to promote and maintain the convenience.

Specifically, clean water basin 4 for the storage clear water is equipped with third level sensor 41 in it, and is equipped with suction pump 42 and third electromagnetism water valve 43 between clean water basin 4 and the MBR membrane filtering component, still be equipped with automatic water supply module 8 on the clean water basin 4, automatic water supply module 8 includes the water pipe 81 with the water source intercommunication and locates the fourth electromagnetism water valve 82 in the water pipe 81, fourth electromagnetism water valve 82 and control end 5 communication connection. With the arrangement, when the liquid level in the clean water tank 4 is too low and the water supplied by the MBR membrane filtration module 3 is not enough to be supplied to the car washing robot or equipment, the emergency function can be achieved by opening the fourth electromagnetic water valve 82 through the control end 5 and receiving the tap water from the tap water pipe 81 to supplement the clean water. It can only strangely take water from the clean water tank 4 by the water taking pump 9 which is provided with the water taking robot or is arranged behind the water taking robot.

Accessible quick-operation joint rapid Assembly between foretell effluent water sump 1 and the deoiling module 2, except that each part that has the initiative also can be through quick-operation joint rapid Assembly, and also can be through quick-operation joint rapid Assembly between MBR membrane filtration module 3 and the deoiling module 2, the assembly is quick, and the modular setting can accomplish the back at each pond construction, will deoil module 2 and MBR membrane filtration module 3 rapid Assembly, convenient operation.

As shown in fig. 5-6, in particular, the control terminal 5 is used for controlling and reading each pump body, each valve body, each pressure gauge and each liquid level sensor. Wherein control end 5 is common PLC or computer etc. through current input device, like the keyboard, touch screen, handheld terminal connection control end 5, can realize convenient and fast's operation, especially control end 5 can also possess communication functions such as 4G 5G, can realize remote monitoring and operation, convenient maintenance.

Specifically, the control terminal 5 has a manual mode, an automatic mode and an alarm mode;

specifically, in the manual mode, the actions of each pump body and each valve body are inching controlled by operating the control end 5, so that debugging and maintenance operations are realized;

specifically, in the automatic mode, the control end 5 controls the actions of each pump body and each valve body according to the data of each liquid level sensor in the oil removal tank 25, the MBR membrane filtration membrane module and the clean water tank 4, so as to realize the automatic liquid inlet and filtering and oil removal agent draining functions of the oil removal tank 25, the automatic liquid inlet and draining functions of the MBR membrane filtration membrane module and the automatic liquid inlet and supplementing functions of the clean water tank 4;

specifically, in the alarm mode, the control end 5 detects the state data of each valve body, each liquid level sensor and each pressure gauge to perform corresponding alarm measures. The manual operation and the full-automatic operation can be realized by the aid of the modes, particularly, each component can be monitored and alarmed in time, so that technicians can find problems in time and handle or overhaul the problems without manual periodical overhaul or on-site supervision, the system can be watched in offices or remotely, and the alarm mode constantly protects the safety and the reliability of the system and prevents accidents.

Specifically, the automatic mode specifically includes the following steps:

s1: monitoring the running condition of the centrifugal pump 26 through the control end 5, and judging whether the oil removal module 2 carries out oil removal and drainage operation;

s2: if so, continuously judging whether the liquid level of the oil removal tank 25 is lower than the oil removal starting liquid level through the first liquid level sensor 252, if not, directly starting the centrifugal pump 26 and switching the direction of the three-way water valve 28, and starting oil removal operation;

s3: if the liquid level of the oil removal tank 25 is lower than the oil removal starting liquid level, the first electromagnetic water valve 23 and the liquid inlet pump 24 are opened to carry out liquid inlet operation on the oil removal tank 25;

s4: judging whether the liquid level in the oil removal tank 25 reaches a set oil removal starting liquid level or not through a first liquid level sensor 252;

s5: if yes, starting the hydrodynamic cavitation processing assembly 27 and the centrifugal pump 26, switching a three-way water valve 28 channel, communicating the hydrodynamic cavitation processing assembly 27 with the oil removal tank 25, performing circulating oil removal operation and setting oil removal time;

s6: stopping circulation after the set time is reached, and judging whether the liquid level in the MBR membrane filtration module 3 is lower than the discharged liquid closing liquid level of the oil removal tank 25 or not through the second liquid level sensor 31;

s7: if yes, switching the three-way water valve 28, opening the channels of the oil removal tank 25 and the three-stage filter tank 29, and opening the second electromagnetic water valve 33 to drain the liquid in the oil removal tank 25 of the MBR membrane filter module 3;

s8: judging whether the liquid level in the MBR membrane filtration module 3 is higher than or equal to the discharged liquid closing liquid level of the oil removal tank 25 or not through a second liquid level sensor 31;

s9: if so, closing the second electromagnetic water valve 33, and finishing the liquid drainage of the oil removal tank 25;

s10: judging whether the liquid level of the clean water tank 4 is lower than the discharged liquid closing liquid level of the MBR membrane filtration module 3 or not by using a third liquid level sensor 41;

s11: if so, starting the water suction pump 42 and the third electromagnetic water valve 43, performing irrigation operation on the clean water tank 4, and irrigating water in the MBR membrane filtration module 3 into the clean water tank 4;

s12: judging whether the liquid level of the clean water tank 4 is equal to or higher than the liquid discharge closing liquid level of the oil removal tank 25 by using a third liquid level sensor 41;

s13: if yes, the water suction pump 42 and the third electromagnetic water valve 43 are closed, and water drainage is stopped;

s14: judging whether the liquid level of the clean water tank 4 is lower than a set minimum threshold value and simultaneously meeting the condition that the water suction pump 42 is in a maximum power state;

s15: if yes, opening the automatic water replenishing module 8 to perform water replenishing operation on the clean water tank 4;

s16: and when the liquid level in the clean water tank 4 is higher than the minimum threshold value, stopping water supplement after a period of time, or stopping when the car washing robot does not pump water. The steps can realize the full-automatic purification and circulation of the sewage without manual on-site attendance.

Specifically, the alarm modes at least comprise a secondary filter tank 22 pressure high alarm, a liquid inlet pump 24 overload alarm, an oil removal tank 25 liquid level high alarm, a centrifugal pump 26 pressure abnormity alarm, a centrifugal pump 26 overload alarm, a water suction pump 42 overload alarm, a tertiary filter tank 29 pressure high alarm, an MBR membrane filter assembly liquid level high alarm, a clean water tank 4 liquid level high alarm and an emergency stop alarm. The various alarm modes can provide fault problems for maintenance personnel in detail, and the maintenance personnel can conveniently carry out overhauling or debugging operation.

In fig. 5, the solenoid water valve 1 is the first solenoid water valve 23, the solenoid water valve 2 is the second solenoid water valve 33, and so on.

The present invention is not described in detail in the prior art, and therefore, the present invention is not described in detail.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Although the sewage tank 1, the degreasing module 2, the MBR membrane filtration module 3, the clean water tank 4, the control terminal 5, the drain valve 6, the first pressure gauge 7, the automatic water replenishing module 8, the water intake pump 9, the primary filter foot valve 11, the float level gauge 12, the primary filter tank 21, the secondary filter tank 22, the first electromagnetic water valve 23, the liquid intake pump 24, the degreasing tank 25, the centrifugal pump 26, the hydrodynamic cavitation processing component 27, the three-way water valve 28, the tertiary filter tank 29, the oil tank 251, the manual drain valve 2511, the first liquid level sensor 252, the tilting base 253, the partition plate 254, the overflow pipe 255, the first liquid inlet 271, the second liquid inlet 272, the liquid outlet 273, the cavitation chamber 274, the negative pressure adjusting port 275, the check valve 2751, the manual valve 2752, the second liquid level sensor 31, the second pressure gauge 32, the second electromagnetic water valve 33, the third liquid level sensor 41, the water intake pump 42, the third electromagnetic water valve 43, the control terminal 5, the drain valve 6, the automatic water replenishing module 8, the automatic water replenishing module 9, the water intake pump 9, the automatic water replenishing module 9, the manual cavitation processing module, the oil tank 29, the manual cavitation processing module, the oil tank 29, the manual cavitation tank, the oil tank, the manual cavitation tank, the manual filtration tank, the oil tank, the manual filtration tank, the oil tank, Water pipe 81, fourth solenoid water valve 82, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.

Claims

1. A pipeline version robot water treatment method is a car washing robot and is characterized by comprising a sewage tank, an oil removal module, an MBR membrane filtering assembly, a clean water tank and a control end which are sequentially communicated;

the MBR membrane filtering component is used for further filtering impurities, a second liquid level sensor is arranged in the MBR membrane filtering component, the top of the MBR membrane filtering component is communicated with a third-stage filtering tank, and a second pressure gauge and a second electromagnetic water valve are arranged between the third-stage filtering tank and the MBR membrane filtering component;

the control end is used for controlling and reading each pump body, each valve body, each pressure gauge and each liquid level sensor, and the control end has a manual mode, an automatic mode and an alarm mode;

wherein the automatic mode specifically comprises the steps of:

stopping circulation after the set time is reached, and judging whether the liquid level in the MBR membrane filtering assembly is lower than the drain liquid closing liquid level of the oil removal tank or not;

if so, switching the three-way water valve, opening a channel between the oil removal tank and the third-stage filter tank, and opening a second electromagnetic water valve to perform liquid drainage operation on the MBR membrane filter assembly in the oil removal tank;

judging whether the liquid level in the MBR membrane filtering assembly is higher than or equal to the drainage closing liquid level of the oil removal tank;

if so, finishing the liquid discharge of the oil removal tank;

judging whether the liquid level of the clear water tank is lower than the liquid discharge closing liquid level of the MBR membrane filtering assembly;

and when the liquid level in the clean water tank is higher than the minimum threshold value, stopping supplementing water.

2. The method of claim 1, wherein a float level gauge is disposed in the wastewater tank and is in communication with the control end, and the oil removal tank, the MBR membrane filtration module, and the bottom of the clean water tank are in communication with the wastewater tank through water pipes and drain valves, each drain valve being in communication with the control end.

3. The method as claimed in claim 2, wherein the oil removal tank is provided with a tilting base at the bottom thereof, and the tilting base is arranged towards the outlet at the bottom of the oil removal tank.

4. The pipeline version robot water treatment method according to claim 1, wherein the hydrodynamic cavitation treatment assembly at least comprises a first liquid inlet, a second liquid inlet, a liquid outlet, a cavitation chamber and a negative pressure adjusting port, the first liquid inlet and the second liquid inlet are respectively arranged at the left end and the right end of the cavitation chamber, the liquid outlet is arranged at the top of the cavitation chamber, the negative pressure adjusting port is sequentially connected with a check valve and a manual valve through a pipeline, and the cavitation chamber is arranged in an arc shape.

5. The method as claimed in claim 4, wherein the oil removal tank is provided with a plurality of inclined partition plates, and each partition plate is provided with a plurality of partition plate holes uniformly arranged in an array.

6. The pipeline version robot water treatment method according to claim 1, wherein the automatic water replenishing module comprises a tap water pipe communicated with a water source and a fourth electromagnetic water valve arranged in the tap water pipe, and the fourth electromagnetic water valve is in communication connection with the control end.

7. The pipeline version robot water treatment method of claim 1, wherein the alarm modes include at least a secondary filter tank pressure high alarm, a liquid inlet pump overload alarm, an oil removal tank liquid level high alarm, a centrifugal pump pressure anomaly alarm, a centrifugal pump overload alarm, a water pump overload alarm, a tertiary filter tank pressure high alarm, an MBR membrane filter assembly liquid level high alarm, a clean water tank liquid level high alarm, and an emergency stop alarm.

8. The method for treating water by using the pipeline plate robot as claimed in claim 1, wherein a manual emptying valve is arranged at the bottom of the oil pool.