CN110803814A - Intelligent water purification system - Google Patents

Abstract

The invention discloses an intelligent water purification system and a method of using the same. The intelligent water purification system includes at least a first-level intelligent water purification device, and the intelligent water purification device includes a first detection unit through which incoming water flows in sequence, a light Oxidation reactor, filter column, second detection unit, intermediate valve, purification coil, third detection unit and tail valve. The first detection unit detects the incoming water and sends a power adjustment signal to the UV lamp to adjust the power of the UV lamp in the photo-oxidation reactor, and the second detection unit detects the water effluent from the filter column and sends a gating signal to the intermediate valve, Select whether to connect the first up-to-standard discharge port or the inlet of the purification coil; the third detection unit detects the water outlet of the purification coil and sends a gating signal to the tail valve, and selects whether to connect to the second up-to-standard discharge port or the accident drain. To sum up, the system adjusts the operating parameters and treatment steps according to the detected water quality, which is flexible in operation, environmentally friendly and energy-saving.

Description

Smart water purification system

technical field

The invention relates to the field of water treatment, in particular to an intelligent water purification system and a use method thereof.

Background technique

Organic matter, microorganisms, and heavy metals are three common pollutants in water. Treatment methods vary depending on the concentration and/or nature of the contaminant.

The treatment methods of organic matter mainly include microbial method, physical method and chemical method. Microbial treatment methods mainly include filtration, chemical sterilization, and ultraviolet sterilization. The treatment methods of heavy metals mainly include coagulation sedimentation method, adsorption method, etc. Treating these pollutants individually is time-consuming and labor-intensive, requires a lot of equipment, and often wastes resources. Therefore, how to provide a more efficient, concise and integrated treatment system has become an urgent problem to be overcome in the field of water treatment.

The utility model with the publication number of CN 202542910 U discloses a cylindrical reactor made of attapulgite material, which integrates removal of heavy metals and organic pollution and an integrated multifunctional water treatment device, and is made of attapulgite material by adding a binder and sintered. Odd-numbered channels, an anatase TiO ₂ catalytic membrane prepared by sol-gel method is attached to the inner wall of the inner ring cylinder. The water flow reciprocates up and down in the direction from the periphery to the inner ring in the reactor, and after the heavy metals are adsorbed and removed in the outer ring, the organic matter in the water is removed by photocatalysis in the inner ring. The treatment device can remove heavy metals and organic pollutants at the same time, but the power loss is large and the treatment period is long.

The invention with publication number CN 107628724 A discloses a drinking water treatment device and a treatment method for removing heavy metals in water. The control system of the device controls the solenoid valve on the pipeline according to the monitoring result of the heavy metal content in the raw water by the monitoring module, The raw water is passed through the corresponding treatment modules, and the methods of coagulation sedimentation and magnetization adsorption are mainly used to remove heavy metals in the water. The invention utilizes the control system to select the treatment steps, can adapt to changing water quality and reduce costs, but is only effective for free heavy metals, heavy metals combined with organic matter are difficult to remove, and the equipment is bulky.

It can be seen that there are still deficiencies in the prior art, which need to be supplemented and improved.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the present invention provides an intelligent water purification system and a method for using the same, which can automatically adjust the system operating parameters according to the influent water quality, remove organic matter, heavy metals and microorganisms in the water, with short treatment period and low cost.

An intelligent water purification system provided by the present invention includes at least one level of intelligent water purification device, and each level of intelligent water purification device includes a first detection unit, a photo-oxidation reactor, a filter column, and a second detection unit through which the influent water flows in sequence. unit, intermediate valve, purge coil, third detection unit and tail valve.

Wherein, the photo-oxidation reactor is provided with an ultraviolet lamp inside, and the first detection unit detects the influent water and sends a power adjustment signal to the ultraviolet lamp;

The inlet water flows in from the inlet of the intermediate valve, and the two outlets of the intermediate valve are respectively connected to the inlet of the purification coil and the first up-to-standard drainage outlet; the second detection unit detects the inlet water flowing through and sends it gating a signal to the intermediate valve;

Influent water flows in from the inlet of the tail valve, and the two outlets of the tail valve are respectively connected to the accident discharge port and the second standard discharge port; the third detection unit detects the incoming water flowing through and sends a gating signal to the tail valve;

The first detection unit, the second detection unit and the third detection unit all include a heavy metal detector, a COD detector and a microorganism detector, and are respectively connected with the power module through a circuit;

A layer of 0.5-3mm thick modified attapulgite hydrogel is attached to the inner wall of the purification coil.

Preferably, a detachable metal filter screen is provided at the entrance of the first detection unit. The metal filter screen can be used to filter large particle pollutants in the influent water, which not only protects the detector and filter column, but also improves the efficiency of photo-oxidation treatment by improving the light transmittance of the influent water. Further preferably, the filter screen can be fixed on the cross section of the water inlet by means of snap connection or screw connection, and the mesh size of the metal filter screen is 60-80 mesh.

Preferably, the photo-oxidation reactor is a horizontal cylindrical photo-oxidation reactor, and the filter column and the purification coil are spirally arranged on the outer wall of the horizontal cylindrical photo-oxidation reactor. The cross-section of the photo-oxidation reactor is circular, and the influent water enters along the tangential direction of the circle and flows spirally along the inner wall of the photo-oxidation reactor. Oxidation reaction efficiency. At the same time, the intelligent purification device takes a horizontal cylindrical photo-oxidation reactor as the main body, and has a compact structure and a small footprint.

Further preferably, the ultraviolet lamp in the photo-oxidation reactor is covered with a light-transmitting quartz cover. During the operation of the system, the quartz cover is filled with inert gas or evacuated to prevent overheating, oxidation and aging of the UV lamp and prolong the service life of the UV lamp.

Further preferably, the power of the ultraviolet lamp can be adjusted, and the power of the ultraviolet lamp is set to multiple gears, each gear corresponds to a certain power value and a certain system preset index, and the detection value of the system water inflow falls to the corresponding system. When the power is within the preset index, the power selects the gear corresponding to the preset index of the system. The system default indicator described here is a numerical range.

Preferably, the intelligent purification system further includes a controller connected to the first detection unit, the second detection unit and the third detection unit, and the controller connects the first detection unit to the first detection unit through a communication module. The detection results of the detection unit, the second detection unit and the third detection unit are transmitted to the server or the client; the controller is also connected to the control panel arranged on the outer wall of the intelligent water purification device. The intelligent purification system can perform various operations through the control panel, and can also be remotely controlled on the server or client. Environmental protection, etc.

Further preferably, a pressure sensor and/or a temperature sensor connected to the controller are provided on the inner wall of the photo-oxidation reactor. During the operation of the photooxidation reactor, the pressure and temperature sensors continuously detect the temperature and pressure in the reactor. When the temperature and pressure exceed the preset value of the system, the system can automatically enter the protection mode. The protection mode includes automatic power-off or opening of cooling and decompression measures. Further preferably, the photo-oxidation reactor is provided with a ventilation and cooling device and a pressure relief port connected to the controller, and when the temperature or pressure exceeds a preset value, the ventilation and cooling device or the pressure relief port is opened.

Preferably, a power device is also included, and the power device is connected to the inlet of the intelligent water purification device for driving water intake. Further preferably, the first detection unit of the intelligent water purification device further includes a flow detector, and the flow detector detects the influent flow and sends a power adjustment signal to the power equipment. The power equipment is used to introduce the water to be treated into the intelligent water purification device, and the user can adjust the inflow water flow according to other factors such as water consumption requirements.

Preferably, the intelligent water purification device includes two stages, and the accident drain of the first stage intelligent water purification device is connected to the inlet of the first detection unit of the second stage intelligent water purification device.

The present invention also provides a method for using the intelligent water purification system, which can be specifically implemented according to the following steps:

Step 1, the system starts to enter water, the influent water flows through the first detection unit, the first detection unit detects the influent water flowing through, the acquired detection data is compared with the system preset index, and the corresponding power adjustment is sent according to the comparison result. The signal is sent to the UV lamp, and the UV lamp adjusts the power to the corresponding power value;

In step 2, the influent water flows out from the first detection unit and flows into the photo-oxidation reactor, and undergoes photo-oxidation under the ultraviolet lamp adjusted in step 1 to obtain an oxidation treatment solution;

Step 3, the oxidation treatment liquid flows out from the photo-oxidation reactor and flows through the filter column to obtain filtrate; the filtrate flows into the second detection unit, the second detection unit detects the filtrate that flows through, and the acquired detection data is compared with the system preset index. Yes, when the detected value is less than the preset value, a gating signal is sent to the intermediate valve to connect the first up-to-standard drain port, the outlet of the purification coil is closed, and the filtrate enters the first up-to-standard drain port through the intermediate valve for discharge; when the detected value is greater than the preset value , send the gating signal connecting the inlet of the purification coil to the intermediate valve, the outlet of the first up-to-standard drainage outlet is closed, and the filtrate enters the purification coil through the intermediate valve;

Step 4: After the influent water flows through the purification coil, it enters the third detection unit. The third detection unit detects the influent water flowing through it, and the acquired detection data is compared with the system preset index. When the detection value is less than the preset value, Send a gating signal to open the second up-to-standard drain to the tail valve, the accident drain is closed, and the incoming water enters the second up-to-standard drain through the tail valve and is discharged; when the detected value is greater than the preset value, a gating signal is sent to connect the accident drain To the tail valve, the second standard discharge outlet is closed, and the inlet water enters the accident discharge outlet through the tail valve and is discharged.

After the influent water enters the intelligent purification system of the present invention, it undergoes photo-oxidation, filtration and purification in sequence. Among them, ultraviolet light can kill microorganisms, catalyze the decomposition of organic matter, and can also decompose some heavy metals in organic forms and water into inorganic free forms; filter columns can kill microorganisms, organic debris, and inorganic free forms during the photooxidation process. In order to ensure the removal rate of heavy metals, a purification coil can be installed after the filter column. The coil has a small diameter and is attached to the inner wall. There is modified attapulgite hydrogel, which can increase the contact area and contact opportunity between the influent and the adsorbent, and improve the removal rate of heavy metals. In order to ensure that the effluent quality meets the standard and the treatment cost is lower, the system tests the influent water and adjusts the parameters and steps of the system operation according to the test results.

Preferably, in the method of using an intelligent water purification system, the system preset index in step 1 is a set of water quality value intervals, and each interval corresponds to a certain UV lamp power value. The first detection unit compares the detection data with a set of water quality value intervals, finds the water quality value interval corresponding to the detection data, and adjusts the power of the ultraviolet lamp to the UV lamp power value corresponding to the water quality value interval; steps 3 and 4 The preset index of the system is a certain value, which can be customized by the user, and can also adopt the corresponding national or local water quality standard value.

Preferably, in the using method, the influent water in step 1 is pretreated water, and the pretreatment includes adjusting pH and/or adding catalyst or oxidant. Further preferably, the pH is adjusted to 5-8, the catalyst can be selected from nano titanium dioxide powder or iron powder, and the oxidant is oxygen or hydrogen peroxide.

Preferably, when the intelligent purification device is provided with a controller and a control panel connected to the controller, the user can choose to remotely start the system or adjust the operating parameters of the system through a terminal or a user terminal, or start the system on the control panel or Modify the operating parameters; at the same time, the detection data of the first detection unit, the second detection unit and the third detection unit are transmitted to the server, which can establish and improve the regional water quality information network, or be used for scientific research; As a reference for users to use water.

Preferably, when the inner wall of the photo-oxidation reactor in the intelligent purification device is provided with a temperature and pressure sensor connected to the controller, the pressure sensor and the temperature sensor transmit detection information to the controller in real time during the photo-oxidation reaction, and when the temperature Or the system activates protection mode when the pressure exceeds the system preset value.

Compared with the prior art, the intelligent water purification system of the present invention has at least the following advantages:

(1) The best purification process can be selected according to the water quality of the influent, saving time and materials, and the water quality of the effluent is stable and up to the standard;

(2) COD, microorganisms and heavy metals in water can be removed at the same time;

(3) The intelligent purification device in the system has a compact structure, can be made into different scales, and is suitable for a variety of water environments;

(4) The system can be highly intelligent, reduce manual operation, and use more convenient and concise;

(5) Various treatment methods are used in combination to eliminate pollutants step by step and ensure that the effluent meets the standard.

Description of drawings

Fig. 1 shows the process schematic diagram of the intelligent water purification system provided by Embodiment 1 of the present invention;

2 is a schematic structural diagram of an intelligent water purification device provided in Embodiment 1 of the present invention;

Wherein, 1 is the first detection unit, 2 is the photo-oxidation reactor, 3 is the filter column, 4 is the second detection unit, 5 is the middle valve, 6 is the purification coil, 7 is the third detection unit, and 8 is the tail valve , 9 is the controller, 10 is the power supply module, 11 is the inlet of the first detection unit; 12 is the COD detector, 13 is the microorganism detector, 14 is the heavy metal detector, 21 is the ultraviolet lamp, and 51 is the first standard drain outlet , 52 is the inlet of the purification coil, 81 is the second water outlet that meets the standard, and 82 is the outlet of the intelligent purification device;

The arrows in Figure 1 indicate the flow direction of the incoming water in the system.

Detailed ways

Example 1

An intelligent water purification system, the schematic diagram of which is shown in Figure 1, includes a first-level intelligent water purification device. In the intelligent water purification device, a first detection unit 1, a photooxidation reactor 2, and a filter column through which the influent water flows in sequence 3. The second detection unit 4 , the intermediate valve 5 , the purification coil 6 , the third detection unit 7 and the tail valve 8 . The first detection unit 1 detects the incoming water and sends a power adjustment signal to the UV lamp to adjust the power of the UV lamp; the second detection unit 4 detects the incoming water and sends a gating signal to the UV lamp. The intermediate valve 5 selects the flow direction of the effluent from the filter column 3; the third detection unit 7 detects the incoming water and sends a gating signal to the tail valve 8 to select the flow direction of the purifying coil effluent.

Wherein, the first-level intelligent water purification device has the structure shown in FIG. 2, the photo-oxidation reactor 2 is a horizontal cylindrical photo-oxidation reactor, and the filter column 3 and the purification coil 6 are spirally arranged on the On the outer wall of the horizontal cylindrical photo-oxidation reactor; the ultraviolet lamp 21 in the photo-oxidation reactor 2 is covered with a light-transmitting quartz cover; The two outlets of the intermediate valve are respectively connected to the first up-to-standard drain 51 and the inlet 52 of the purification coil; the two outlets of the tail valve are respectively connected to the second up-to-standard drain 81 and the accident drain 82; the first The detection unit 1 includes a COD detector 12, a microorganism detector 13 and a heavy metal detector 14, and is connected to the controller 9 and to the power module 10 through a circuit, the second detection unit 4 and the third detection unit. The structure of 7 is the same as that of the first detection unit 1, and it is also connected to the controller 9 and the power module 10 at the same time; the inner wall of the purification coil 6 is attached with a layer of 0.5-3mm thick modified attapulgite hydrogel. glue.

The intelligent water purification system shown in Figure 1, the specific use method is as follows:

In step 1, the user terminal or the terminal sends an instruction to turn on the system to the controller 9, and the controller 9 sends a water intake command. The water inflow is detected, the acquired detection data is compared with the preset index of the system, and the corresponding power adjustment signal is sent to the ultraviolet lamp 21 according to the comparison result, and the ultraviolet lamp 21 adjusts the power to the corresponding power value;

In step 2, the influent water flows out from the first detection unit 1 and flows into the photo-oxidation reactor 2, and undergoes photo-oxidation under the ultraviolet lamp 21 adjusted in step 1 to obtain an oxidation treatment solution;

Step 3, the oxidation treatment liquid flows out from the photo-oxidation reactor 2, flows through the filter column 3, and obtains filtrate; Set the index to compare, when the detected value is less than the preset value, send a gating signal that communicates with the first standard drain port 51 to the intermediate valve 5, the purification coil inlet 52 is closed, and the filtrate enters the first standard drain port 51 through the intermediate valve 5 Discharge; when the detected value is greater than the preset value, a gating signal that communicates with the inlet 52 of the purification coil is sent to the intermediate valve 5, the outlet 51 of the first up-to-standard drainage port is closed, and the filtrate enters the purification coil 6 through the intermediate valve 5;

Step 4: After the influent water flows through the purification coil 6, it enters the third detection unit 7. The third detection unit 7 detects the influent water flowing through, and compares the acquired detection data with the system preset index, and the detection value is less than the preset value. When the detected value is greater than the preset value, send a gating signal to open the second standard discharge port 81 to the tail valve 8, the accident discharge port 82 is closed, and the influent water enters the second standard discharge port 81 through the tail valve 8 for discharge; when the detected value is greater than the preset value, send The gating signal of the accident drain port 82 is connected to the tail valve 8 , the second up-to-standard drain port 81 is closed, and the incoming water enters the accident drain port 82 through the tail valve 8 and is discharged.

During the operation of the intelligent water purification system, the detection data of the first detection unit 1, the second detection unit 4 and the third detection unit 7 are transmitted to the controller 9, and then transmitted to the terminal server via the communication module for storage and use.

Example 2

An intelligent water purification system, based on the intelligent water purification system disclosed in Embodiment 1, adds a control panel connected to a controller, a sensor and an alarm. The sensor includes a temperature sensor and a pressure sensor, both of which are arranged on the inner wall of the ultraviolet light oxidation reactor, and the alarm is connected in series with the sensor. The detected value of the sensor is transmitted to the controller and compared with the preset index of the system. When the preset index of the system is exceeded, an alarm command is issued. The sensor monitoring data is displayed through the control panel, and the user can turn on the intelligent water purification system through the control panel.

Example 3

An intelligent water purification system, on the basis of Embodiment 2, a second-level intelligent purification device is added, the structure of the device is the same as that of the first-level intelligent purification device, and its inlet is communicated with the accident drain of the first-level intelligent purification device, It is used for advanced treatment of substandard sewage discharged from the accident outlet of the first-stage intelligent purification device.

Although embodiments of the present invention have been disclosed above, they are not limited to the applications set forth in the specification and embodiments. It can be fully adapted to various fields suitable for the present invention. Additional modifications can readily be implemented by those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations herein shown and described, without departing from the general concept defined by the appended claims and the scope of equivalents.

Claims (8)

1. An intelligent water purification system is characterized by comprising at least one stage of intelligent water purification device, wherein the intelligent water purification device comprises a first detection unit, a photooxidation reactor, a filter column, a second detection unit, an intermediate valve, a purification coil, a third detection unit and a tail valve, wherein inlet water sequentially flows through the first detection unit, the photooxidation reactor, the filter column, the second detection unit, the intermediate valve, the purification coil, the third detection unit and the tail valve;

an ultraviolet lamp is arranged in the photo-oxidation reactor, and the first detection unit detects the flowing water and then sends a power adjustment signal to the ultraviolet lamp;

the inlet water flows in from the inlet of the intermediate valve, and two outlets of the intermediate valve are respectively connected with the inlet of the purification coil and the first standard water outlet; the second detection unit detects the inflow water flowing through and sends a gating signal to the intermediate valve;

the inlet water flows in from the inlet of the tail valve, and two outlets of the tail valve are respectively connected with the accident water outlet and the second standard water outlet; the third detection unit detects the inflow water flowing through and sends a gating signal to the tail valve;

the first detection unit, the second detection unit and the third detection unit respectively comprise a heavy metal detector, a COD detector and a microorganism detector and are respectively connected with the power supply module through circuits;

a layer of modified attapulgite hydrogel with the thickness of 0.5-3mm is attached to the inner wall of the purification coil pipe.

2. The intelligent water purification system of claim 1, wherein the photo-oxidation reactor is a horizontal cylindrical photo-oxidation reactor, and the filter column and the purification coil are spirally arranged on the outer wall of the horizontal cylindrical photo-oxidation reactor.

3. The intelligent water purification system of claim 1, further comprising a controller connected to the first detection unit, the second detection unit and the third detection unit, wherein the controller transmits the detection results of the first detection unit, the second detection unit and the third detection unit to a server or a user side through a communication module; the controller is also connected with a control panel arranged on the outer wall of the intelligent water purifying device.

4. The intelligent water purification system of claim 3, wherein a detachable metal screen is provided at an inlet of the first detection unit; and a pressure sensor and/or a temperature sensor connected with the controller are/is arranged on the inner wall of the photo-oxidation reactor.

5. The intelligent water purification system of claim 1, further comprising a power plant connected to the inlet of the intelligent water purification unit for driving water intake.

6. The intelligent water purification system of claim 1, comprising two stages of the intelligent water purification devices, wherein the emergency water outlet of the first stage of the intelligent water purification device is connected with the inlet of the first detection unit of the second stage of the intelligent water purification device.

7. A method of using the intelligent water purification system of any one of claims 1 to 6, comprising the steps of:

step one, the system starts to feed water, the fed water flows through a first detection unit, the first detection unit detects the fed water, the obtained detection data is compared with a preset index of the system, a corresponding power adjustment signal is sent to an ultraviolet lamp according to the comparison result, and the ultraviolet lamp adjusts the power to a corresponding power value;

step two, the inlet water flows out of the first detection unit and flows into a photo-oxidation reactor, and photo-oxidation is carried out under the ultraviolet lamp adjusted in the step one to obtain oxidation treatment liquid;

step three, allowing the oxidation treatment liquid to flow out of the photo-oxidation reactor and flow through a filter column to obtain a filtrate; filtrate flows into a second detection unit, the second detection unit detects the filtrate flowing through, the obtained detection data is compared with a preset index of the system, when the detection value is smaller than the preset value, a gating signal communicated with the first standard-reaching water outlet is sent to the intermediate valve, the outlet of the purification coil is closed, and the filtrate enters the first standard-reaching water outlet through the intermediate valve and is discharged; when the detected value is larger than the preset value, a gating signal communicated with the inlet of the purification coil is sent to the intermediate valve, the first standard-reaching water outlet is closed, and filtrate enters the purification coil through the intermediate valve;

step four, the inlet water enters a third detection unit after flowing through the purification coil, the third detection unit detects the flowing inlet water, the obtained detection data is compared with a preset index of the system, when the detection numerical value is smaller than the preset numerical value, a gating signal for opening a second standard-reaching water outlet is sent to a tail valve, the accident water outlet is closed, and the inlet water enters the second standard-reaching water outlet through the tail valve and is discharged; and when the detected value is greater than the preset value, sending a gating signal communicated with the accident water outlet to the tail valve, closing the second standard water outlet, and allowing inlet water to enter the accident water outlet through the tail valve and be discharged.

8. The water purification method of claim 7, further comprising a fifth step of flowing the inlet water into the inlet of the first detection unit of the next intelligent water purification device after the inlet water is discharged through the emergency water outlet of the previous intelligent water purification device, and repeating the first to fourth steps for further purification.

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