CN216273515U

CN216273515U - Multi-pool simple sequential water treatment device and system

Info

Publication number: CN216273515U
Application number: CN202123024250.3U
Authority: CN
Inventors: 陈志伟; 黄美成
Original assignee: Hunan Diyiqing Environmental Protection Technology Co ltd
Current assignee: Hunan Diyiqing Environmental Protection Technology Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-12
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a multi-pool simple sequential water treatment device and a system, wherein the device comprises a reaction pool and a sedimentation pool; a liquid transfer mechanism is arranged between the reaction tank and the sedimentation tank, and the liquid transfer mechanism is a pipeline with a valve or a liquid pump used for transferring water in the reaction tank to the sedimentation tank; the device also comprises a liquid inlet mechanism; the sewage to be treated enters a reaction tank through a liquid inlet mechanism; the liquid medicine enters the reaction tank through the medicine adding mechanism or directly pours into the reaction tank; the reaction tank is used for mixing the sewage and the liquid medicine and generating flocculation or coagulation reaction; the sedimentation tank is used for settling water after reaction in the reaction tank; a discharging mechanism is arranged on the sedimentation tank or outside the sedimentation tank; the clear liquid outlet mechanism is a clear liquid outlet pipe with a valve or a clear liquid outlet pump; a slag discharging mechanism is arranged at the bottom or outside the sedimentation tank; the slag discharging mechanism is a slag discharging pipeline with a valve or a sewage disposal pump. This many ponds plain type order water treatment facilities and system easy to carry out can realize the water purification and discharge, is fit for promoting.

Description

Multi-pool simple sequential water treatment device and system

Technical Field

The utility model relates to a multi-pool simple sequential water treatment device and a system.

Background

The existing sewage treatment, such as the fecal sewage treatment of pig farms, is generally extensive continuous treatment, such as digging a plurality of reaction tanks, aeration tanks, sedimentation tanks and the like, for treating sewage, after the water treatment agent is added, the water treatment agent is not stirred and cannot fully react with the sewage, the efficiency is low, in addition, new sewage continuously flows out, clean water continuously flows out, the work of the whole system cannot be accurately controlled, in all, the waste of the water treatment agent is serious, the treatment cost is high, the efficiency is low, the water treatment effect is poor, and the clean water is difficult to stably and reliably output.

In addition, the intelligent water treatment device based on the lifting filtering mechanism has good water treatment effect, but has a complex structure, high cost and high popularization difficulty.

Therefore, there is a need for a new simplified water treatment device, method and system.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-pool simple sequence water treatment device and a multi-pool simple sequence water treatment system, which are easy to popularize and have good water treatment effect.

The technical solution of the utility model is as follows:

a multi-tank simple sequence water treatment device comprises a reaction tank and a sedimentation tank; a liquid transfer mechanism is arranged between the reaction tank and the sedimentation tank, and the liquid transfer mechanism is a pipeline with a valve or a liquid pump used for transferring water in the reaction tank to the sedimentation tank; the water in the reaction tank can automatically flow into the sedimentation tank, or can be lifted into the sedimentation tank by a liquid pump.

The device also comprises a liquid inlet mechanism; the sewage to be treated enters a reaction tank through a liquid inlet mechanism; the liquid medicine enters the reaction tank through the medicine adding mechanism or directly pours into the reaction tank;

the liquid medicine is at least one of a coagulant or a flocculant;

the reaction tank is used for mixing the sewage and the liquid medicine and generating flocculation or coagulation reaction;

the sedimentation tank is used for settling water after reaction in the reaction tank; a discharging mechanism is arranged on the sedimentation tank or outside the sedimentation tank; the clear liquid outlet mechanism is a clear liquid outlet pipe with a valve or a clear liquid outlet pump; a slag discharging mechanism is arranged at the bottom or outside the sedimentation tank; the slag discharging mechanism is a slag discharging pipeline with a valve or a sewage disposal pump.

The reaction tanks are multiple, water after reaction in the reaction tanks is gathered in the sedimentation tank, and the capacity of the sedimentation tank is larger than that of the reaction tanks.

The device also comprises a controller and a liquid level detection module for detecting the liquid levels of the reaction tank and the sedimentation tank; the liquid medicine enters the reaction tank through a medicine adding mechanism which is a medicine adding pipe with a valve or a liquid medicine pump; the liquid level detection module is connected with the controller, the liquid inlet mechanism, the dosing mechanism, the liquid transfer mechanism, the discharging mechanism and the slag discharging mechanism are all connected with the controller, and the controller controls the retention time of sewage in the reaction tank through the timing control unit. At this time, an intelligent control mode is adopted.

A stirring mechanism is arranged in the reaction tank.

The liquid inlet mechanism, the liquid transfer mechanism, the discharging mechanism and the slag discharging mechanism are manually controlled.

The liquid medicine enters the reaction tank through a medicine adding mechanism which is a medicine adding pipe with a valve or a liquid medicine pump; the dosing mechanism, the liquid inlet mechanism, the liquid transfer mechanism, the discharging mechanism and the slag discharging mechanism are electrically controlled.

The sedimentation tank is a plurality of sedimentation tanks which are used alternately. For example, one is depositing, the other is storing water, and the operation is alternated. Thus not affecting each other.

And a monitoring device is arranged at the reaction tank or the sedimentation tank and is used for realizing on-site video monitoring or water quality monitoring (a water quality monitoring instrument or a sensor is adopted to monitor on-site water indexes).

A non-zero included angle is formed between the water outlet end of the water inlet pipe and the chemical feeding pipe, so that sewage and the water treatment agent can be directly mixed when water enters. Preferably, the inlet tube level sets up, adds the vertical setting of pencil, and the liquid medicine gets into the container after directly mixing with the sewage that gets into like this, reinforcing mixing effect.

A water treatment system comprises the multi-pool simple sequential water treatment device and further comprises a deep water treatment device; the deep water treatment device is in butt joint with the multi-pool simple sequential water treatment device and is used for further treating clear liquid output by the multi-pool simple sequential water treatment device;

the deep water treatment device is a ceramic filtering membrane device or a DTRO/STRO device.

The deep water treatment device is a DTRO/STRO device and also comprises a three-dimensional electrochemical treatment device; the water inlet of the three-dimensional electrochemical treatment device is connected with the concentrated solution outlet of the DTRO/STRO device; the three-dimensional electrochemical treatment device is used for treating the concentrated solution generated by the DTRO/STRO device.

The sludge discharged by the slag discharging mechanism is further treated by a simple solid-liquid separation device.

The water inlet of the DTRO/STRO device is connected with the water outlet of the clear water outlet pipe of the intelligent water treatment device; the water inlet of the three-dimensional electrolysis device is connected with the concentrated solution outlet of the DTRO/STRO device. And the purified water output by the three-dimensional electrolysis device and the purified water output by the DTRO/STRO device are discharged after being integrated.

And a ceramic filter membrane is also arranged between the water inlet of the DTRO/STRO device and the water outlet of the clear water outlet pipe of the intelligent water treatment device. The ceramic filtering membrane is prefilter, has good filtering effect and low cost, and can remarkably prolong the service life of the DTRO/STRO by prefilter treatment.

The sewage quantity detection unit is a liquid level sensor, a flowmeter or a pressure sensor. The hydraulic pressure at the bottom of the container corresponds to the liquid level, and the flow meter can also detect the amount of sewage entering the container and the amount of clean water pumped out.

The container department sets up the camera, and camera and controller communication connection can look over the image or the video of on-the-spot control when operating on the controller.

The bottom of the container (reaction tank or sedimentation tank) is in a bucket shape with a big top and a small bottom, so that sediments (sludge) can be conveniently collected downwards.

The electric valve is an opening valve and can adjust the flow

An electrically controlled stirring device is arranged in the container, and the stirring device is controlled by a controller. The stirring device comprises a stirring shaft and a paddle connected with the lower end of the stirring shaft. Preferably, the stirring shaft is vertically arranged, and can also be non-vertically arranged, so that vortex or convection is formed, and the mixing effect is enhanced. The stirrer is arranged in the middle or at the bottom of the container.

The container is square or round; the container is an external vertical container or a ground-sinking type treatment pool. The ground subsidence type is a pool type on the ground, and the ground subsidence type treatment pool is a pool lower than the ground on the whole.

A non-zero included angle is formed between the water outlet end of the water inlet pipe and the chemical feeding pipe, so that sewage and the water treatment agent can be directly mixed when water enters.

The device also comprises a dosing amount detection unit for detecting the dosage of the water treatment agent entering the container, which is generally measured by weight or volume, and is calculated by the time of starting the liquid medicine pump or by detecting the liquid level of the liquid medicine barrel.

Has the advantages that:

the simple intelligent water treatment system has the following characteristics:

(1) and a simple structure is adopted, so that the cost is low.

The main body mechanism only needs two containers, and is matched with valves, liquid pumps and the like, so that the control of the whole process of water treatment is realized. The pre-stage treatment is divided into two containers, the labor division is clear, a plurality of reaction tanks can correspond to one sedimentation tank, and the flexibility is good.

(2) Adopts the intermittent treatment concept, saves the cost and improves the water treatment quality

The intermittent treatment refers to treatment of breaking up the whole into parts, so that sewage and a water treatment agent are mixed in proportion, the drug effect of the water treatment agent can be brought into full play, waste of water treatment is avoided, the agent and water are fully mixed, and the quality of water treatment can be guaranteed.

(3) Manual or automatic control is adopted, and the control is convenient

The whole-process control is realized by adopting manual control and a relay control circuit or an MCU (microprogrammed control unit), and when automatic control is adopted, the manual intervention is not needed, the work is circulated, the whole process is accurate and controllable, and the method has remarkable advantages. When manual control is adopted, the device is suitable for occasions with less sewage.

In a word, the water treatment device has the advantages of simple structure, easy implementation, low cost, good effect and easy popularization and application.

The most beneficial effect of the scheme lies in that the flocculation filter device is adopted, especially the flocculation filter device based on the intelligent water treatment module, various indexes (such as COD, ammonia nitrogen and the like) of sewage are greatly reduced, the water purification standard can be achieved by using the subsequent advanced technology (DTRO/STRO and three-dimensional electrolysis) for treatment, the traditional biochemical technology is integrally replaced, compared with the traditional biochemical technology, the uncontrollable technology is uncontrollable, the influence of multiple factors such as environment, input of digestive bacteria and the like is large, the whole equipment and the technology of the utility model are completely controllable, all-weather operation and completely reliable standard emission can be realized because the three-dimensional electrolysis technology is almost irrelevant to the environment temperature, and relevant indexes are far superior to relevant standards. The utility model perfectly integrates various technologies together, obtains unexpected effects, and practices prove that the obtained effects are very ideal, which is detailed in the detection report in the following.

In addition, the characteristics of intelligence module:

1. the water treatment device (water treatment unit) has compact and integrated structure; the occupied space is small; flexible configuration is facilitated;

2. automatic operation; the device can be unattended; remote monitoring;

the equipment can automatically run under the control of the controller, unattended operation can be realized, remote control can be realized after the controller is connected with a communication module, and on-site data can be transmitted to a remote server or a data terminal (such as a smart phone) to realize remote monitoring; therefore, the degree of automation is high, and the degree of digitization is high;

the control can also be realized by adopting a simulated relay control system, and the specific control is the existing mature technology.

3. The modular concept is adopted, and the modular operation is realized;

can be flexibly connected in parallel or cascaded; the module type operation is convenient for later maintenance;

the whole process is easy to control, can collect all parameters and acts according to the collected parameters, so that the processing efficiency is high. The automatic monitoring of COD can be realized by realizing equipment fault early warning, networking control and remote parameter acquisition through self-checking.

The liquid level sensor can be a magnetic sensor (Hall sensor) or an optical sensor (such as an infrared correlation tube).

The scheme has the core characteristics that: intermittent treatment and cyclic action; and the filter element rotates when rising, thereby enhancing the cleaning effect.

In conclusion, the intelligent water treatment system can be realized based on the MCU or the relay protection device, has high automation degree, can realize the refined treatment of the wastewater or the water to be purified, is easy to implement, has compact structure, is convenient to flexibly move and combine, is a great improvement on the existing water treatment equipment, and has great social benefit and economic benefit.

Drawings

FIG. 1 is a schematic diagram of the overall system architecture;

FIG. 2 is a schematic view of the water inlet tube and the dosing tube arranged at an angle;

FIG. 3 is a schematic view showing the water inlet pipe and the chemical feeding pipe vertically arranged;

FIG. 4 is a schematic view of the structure of a water treatment apparatus (a reaction tank and a sedimentation tank);

FIG. 5 is a schematic view showing the structure of a water treatment apparatus (a multi-reaction tank and a sedimentation tank);

FIG. 6 is a control block diagram of an MCU-based intelligent water treatment device.

FIG. 7 shows water quality test parameters in a test report;

FIG. 8 is a photograph taken of various water samples;

FIG. 9 is a schematic view of the overall structure of a solid-liquid separation apparatus;

fig. 10 is a rear end structure view of the filter cartridge.

Description of reference numerals: 1-container, 2-water inlet pipe, 3-medicine feeding pipe; k11, K12 are water inlet switches (valves), K21, K22 are transfer valves or switches, K31 is clear outlet switch (valve), K32 is slag discharge switch (valve), and K41, K42 position medicine adding valves or switches.

102. A clear water container; 103. a sludge container; 108. filtering holes; 110. a first bearing; 113. a water inlet; 115. a second bearing; 117. a water retaining ring; 130-filter cartridge, 131-rotating shaft, 132-support column, 133-water outlet hole, 134-sludge, 135-spoke and 136-shaft sleeve.

Detailed Description

The utility model will be described in further detail below with reference to the following figures and specific examples:

example 1:

simple intelligent water treatment device and system

Referring to fig. 1 and fig. 4-6, a multi-tank simple sequential water treatment device comprises a reaction tank and a sedimentation tank; a liquid transfer mechanism is arranged between the reaction tank and the sedimentation tank, and the liquid transfer mechanism is a pipeline with a valve or a liquid pump used for transferring water in the reaction tank to the sedimentation tank; the water in the reaction tank can automatically flow into the sedimentation tank, or can be lifted into the sedimentation tank by a liquid pump.

the liquid medicine is at least one of a coagulant or a flocculant;

A stirring mechanism is arranged in the reaction tank.

(II) a water treatment method (the method is realized by a controller or manually, the specific realization mode is the existing mature technology, therefore, the scheme does not relate to the improvement of a software program and a method, and belongs to a protection object of the utility model.)

Referring to fig. 1, a multi-tank simple sequential water treatment method includes the following steps:

step 1: a mixing reaction step;

adding sewage to be treated and a water treatment agent into a reaction tank for mixing and generating coagulation or flocculation reaction;

step 2: transferring and precipitating;

transferring the liquid after full reaction to a sedimentation tank for sedimentation;

and step 3: discharging and deslagging;

after the water in the sedimentation tank is settled for a predetermined time (e.g., 20 minutes, or one hour, etc.), the supernatant in the sedimentation tank is discharged, and then the sediment at the bottom in the sedimentation tank is discharged.

The capacity of the sedimentation tank is larger than that of the reaction tank, and water in the reaction tank is transferred to the sedimentation tank for multiple times and then is discharged and discharged once again.

The reaction tanks are connected in parallel.

The sedimentation tanks are connected in parallel and work alternately.

The water treatment process is controlled manually, electrically or intelligently.

A multi-pool simple sequential water treatment device is adopted for treatment, and comprises a reaction pool and a sedimentation pool; a liquid transfer mechanism is arranged between the reaction tank and the sedimentation tank, and the liquid transfer mechanism is a pipeline with a valve or a liquid pump used for transferring water in the reaction tank to the sedimentation tank; the water in the reaction tank can automatically flow into the sedimentation tank, or can be lifted into the sedimentation tank by a liquid pump. The multi-pool simple sequence water treatment device also comprises a liquid inlet mechanism; the sewage to be treated enters a reaction tank through a liquid inlet mechanism; the liquid medicine enters the reaction tank through the medicine adding mechanism or directly pours into the reaction tank; the liquid medicine is at least one of a coagulant or a flocculant; the reaction tank is used for mixing the sewage and the liquid medicine and generating flocculation or coagulation reaction; the sedimentation tank is used for settling water after reaction in the reaction tank; a discharging mechanism is arranged on the sedimentation tank or outside the sedimentation tank; the clear liquid outlet mechanism is a clear liquid outlet pipe with a valve or a clear liquid outlet pump; a slag discharging mechanism is arranged at the bottom or outside the sedimentation tank; the slag discharging mechanism is a slag discharging pipeline with a valve or a sewage disposal pump.

When water and the water treatment agent are added into the reaction tank, stirring is carried out simultaneously.

The water treatment is carried out by adopting an intermittent treatment mode, namely, a certain amount of sewage is treated each time, and then the next batch is treated after one batch is treated.

The method further comprises the step 4: a deep treatment step;

and further purifying the clear liquid formed in the sedimentation tank by adopting a ceramic filter membrane or a DTRO/STRO module.

And further purifying the clear liquid formed in the sedimentation tank by adopting a DTRO/STRO module, and treating the concentrated liquid generated by the DTRO/STRO device by adopting a three-dimensional electrochemical treatment device.

Preferably, the water treatment device is based on MCU

The controller is a microprocessor;

the controller is connected with the execution mechanism in a wired or wireless way; the actuating mechanism is the electric valve, the liquid pump and the sewage pump;

the sewage amount detection unit is connected with the controller and is used for detecting the amount of sewage entering the container;

the controller is provided with a timing unit which is used for controlling flocculation and sedimentation time.

The controller is used for controlling the intelligent sewage treatment device to intermittently treat sewage; the intermittent type means that a certain amount of sewage is treated at one time, such as 10 tons at one time. Treating the sewage of the batch, and then treating the sewage of the next batch. The batch type corresponds to the continuous type, which means that the sewage is treated as a whole, not in batches.

The controller is connected with the remote monitoring center through the communication module. The remote monitoring center is a monitoring station or a monitoring mobile phone. The device also comprises a dosing amount detection unit which is connected with the controller and used for detecting the dosage of the water treatment agent entering the container, wherein the dosage is generally measured by weight or volume and is calculated by the time of starting a liquid medicine pump or by detecting the liquid level of a liquid medicine barrel.

The bottom of the container is in a bucket shape with a big top and a small bottom. Facilitating the precipitation (sludge downward concentration).

The electric valve is an opening valve, and can adjust the flow.

An electrically controlled stirring device is arranged in the container, and the stirring device is controlled by a controller. The stirring device comprises a stirring shaft and a paddle connected with the lower end of the stirring shaft. Preferably, the stirring shaft is vertically arranged, and can also be non-vertically arranged, so that vortex or convection is formed, and the mixing effect is enhanced.

The controller is a singlechip, a DSP and an ARM processor.

The container is square or round; the container is an external vertical container or a ground-sinking type treatment pool. (the ground subsidence type is a pool type on the ground, and the ground subsidence type treatment pool is a pool lower than the ground on the whole)

The discharge pipe is a self-flow pipe, and a manual or electric valve is arranged on the self-flow pipe; alternatively, the clear liquid outlet pipe is connected with a liquid drawing pump and is used for drawing out the clear liquid on the upper layer of the container.

Related valves, a liquid pump or a sewage pump and the like are opened and are controlled by a controller (the specific control process is the prior mature technology, such as timing control and the like), water is automatically added, medicine is added, water is drained, slag is discharged and the like. And the manual control mode can be compatible, namely the control is realized through buttons on the control panel, and the flexibility is good.

In the manual treatment scheme, the water treatment agent is manually poured into the sewage in the container, the stirring device is started to stir uniformly, and then flocculation and precipitation are carried out.

(III) description of the added water treatment agent:

PAC and PAM are generally added, PAC is polymeric alumina, and the coagulant, PAM is polyacrylamide and is a flocculant.

In actual use, PAC is added, preferably PAC + PAM is added, namely the two are added together;

the adding proportion is as follows:

0.2-2Kg PAC and 0-0.1Kg PAM are added into each 1 ton of sewage.

The preferable proportion is as follows:

1 ton of sewage, 1.25Kg of PAC and 0.05Kg of PAM.

More than half an hour of stirring is required before adding the PAM, the longer the time, the better.

The method for adding the water treatment agent is the prior art. The key point is that the drug effect can be exerted to the maximum extent only by fully mixing. But also to produce a precipitable floc.

(IV) description of the depth processing apparatus

Two advanced treatment processes are introduced:

(1) DTRO/STRO (disc-tube reverse osmosis) treatment process:

the technical introduction is as follows: the reverse osmosis technique is a membrane separation technique that separates a solvent from a solution using a pressure difference as a driving force. Typically for use in end-of-line processes for water treatment.

The advantages are that: the equipment has small volume, simple operation, stable operation and strong adaptability.

The disadvantages are as follows: the equipment cost is high, and 10-30% of high-concentration water needs to be further treated by other processes.

DTRO/STRO effects:

the removal rate of COD is more than 90%; (in the actual measurement case, the concentration is reduced from 209mg/L to 10 mg/L);

the removal rate of ammonia nitrogen reaches more than 90 percent; (in the actual measurement case, the concentration is reduced from 370mg/L to 6.09 mg/L);

the function of DTRO/STRO in the whole water treatment system:

because the SS index and other indexes of the preceding stage treatment are reduced to be extremely low, the service life of the equipment can be obviously prolonged by adopting the reverse osmosis treatment of the stage.

The reverse osmosis technology is DTRO/STRO technology; the DTRO/STRO technology is a disc tube type reverse osmosis technology, and clean water after DTRO/STRO treatment is directly output or output after sterilization and disinfection treatment. Other reverse osmosis techniques may be used, but practice has shown that the DTRO/STRO technique works better and is easier to maintain. DTRO is a butterfly reverse osmosis membrane, STRO is also called pipe network reverse osmosis membrane or roll reverse osmosis membrane.

(2) The three-dimensional electrolytic treatment process comprises the following steps:

the process introduction is as follows: the hydrogen peroxide and hydroxyl free particles generated by electrolysis are used for oxidizing and degrading pollutants in water, so that COD (chemical oxygen demand), ammonia nitrogen and chromaticity can be effectively reduced.

The advantages are that: modularized treatment, wide application, small occupied area, simple operation and no need of adding medicaments.

Only 10 minutes are needed, the COD can be reduced by more than 60 percent, and the total removal rate of the COD of the whole system can reach more than 95 percent; the ammonia nitrogen removal rate can reach more than 95 percent.

The disadvantages are as follows: high energy consumption and short service life of the electrode.

The three-dimensional electrolytic treatment process has the following functions in the whole water treatment system:

because the preceding-stage intelligent module processing greatly reduces various indexes, the system can greatly reduce energy consumption and operation cost by adopting the process. In addition, the three-dimensional electrolytic treatment process may be performed again with respect to the reverse osmosis membrane-treated concentrated water.

As can be seen from figures 7 and 8, the sewage treated by the system can far exceed the discharge standard of livestock and poultry and can reach the discharge standard of pure water. The core module in the figure refers to a simple water treatment device (i.e. flocculation and sedimentation device).

The electric flocculation-based water treatment device can adopt an electric valve and then control the action of the valve through a button and a relay.

And the sludge treatment device is used for further filtering the waste residues discharged by the sewage treatment device to remove part of water in the waste residues, and is low in cost.

Referring to fig. 9-10, a self-cleaning solid-liquid separation device comprises a filter cartridge 130, a clear water container 102 and a sludge container 103;

the filter cartridge is provided with a rotating shaft 131, and two ends of the rotating shaft of the filter cartridge are supported by a supporting mechanism;

the filter cartridge is driven by a motor through a gear or a synchronous belt;

a plurality of filtering holes 108 are arranged on the wall of the front section of the filter cylinder and are used for leaking water in the filter cylinder to a clean water container;

the filter cartridge is arranged obliquely, namely the included angle alpha between the rotating shaft and the horizontal plane is in the range: alpha is more than 5 degrees and less than 30 degrees; the front end of the filter cylinder is higher than the rear end of the filter cylinder;

the front section of the rotating shaft is a hollow pipe, the pipe wall of the hollow pipe is provided with a plurality of water outlet holes 133, and the hollow pipe is butted with a muddy water inlet pipe (the muddy water inlet pipe of the device is butted with a slag discharge pipe of the preceding-stage equipment); the water outlet is used for leaking muddy water in the hollow pipe into the filter cylinder; the diameter of the filter hole is smaller than that of the water outlet hole;

the rear end of the filter cylinder is provided with a sludge discharge port;

the clean water container is positioned below the front section of the filter cylinder and is used for receiving the clean water discharged from the filter holes;

the sludge container is arranged below the rear section of the filter cylinder and is used for receiving sludge discharged from the sludge discharge port;

the inner wall of the rear section of the filter cartridge is provided with a water retaining ring 117.

The support mechanism is a support post 132 with bearings.

The rear end of the filter cylinder is a wheel-type component with spokes; the hole between the adjacent spokes is a sludge discharge port.

The included angle alpha between the rotating shaft and the horizontal plane is 15 degrees.

The muddy water inlet pipe is provided with a liquid valve which is a manual valve or an electric valve.

The clean water tank is provided with a drainage mechanism which is a liquid pump or a drainage pipe with a valve.

A liquid level sensor is arranged in the clean water tank, the liquid level sensor is connected with a controller, and a drainage mechanism is controlled by the controller;

or the bottom of the clean water tank is provided with a gravity sensor which is connected with the controller, and the drainage mechanism is controlled by the controller.

A sewage draining mechanism is arranged in the sludge container, and the sewage draining mechanism is a sewage draining pump.

The bottom of the sludge container is provided with a gravity sensor which is connected with a controller, and the sewage pump is controlled by the controller. Waste residues output by the water treatment device enter the filter cylinder through the muddy water inlet pipe; the self-cleaning solid-liquid separation device is the self-cleaning solid-liquid separation device.

Description of the working process: muddy water discharged by the water treatment device at the front stage has more water content and needs to be further filtered, and the muddy water enters the front section of the rotating shaft through the pipeline and then enters the interior of the filter cylinder through the water outlet hole; the water in the filter cartridge passes through the filter holes and leaks into the clean water container; under the action of gravity, the sludge moves towards the rear end until reaching the water baffle, and when the sludge accumulation exceeds the height of the water baffle, the sludge can cross the water baffle and leak out of the sludge discharge port into the sludge container; when the filter cartridge needs to be overhauled, the accumulated sludge pinched by the filter cartridge is manually discharged. The filter cartridge rotates, muddy water continuously washes the filter holes, and self-cleaning is realized.

The self-cleaning solid-liquid separation device and the sewage treatment system have simple structure and low cost. Specifically, actuating mechanism is simple, adopts motor drive, filters through the lauter tub, easy to carry out. Can realize intelligent control, if through level sensor and weighing transducer, can detect whether clean water basin and sludge impoundment are full of, start actuating mechanism and handle. Through controlling the water inflow and the rotating speed, the efficiency and the effect of adjusting and filtering can be increased. In addition, have self-cleaning function, the inner wall that the filter vat can be washed to the water that the epaxial apopore of commentaries on classics came out prevents the stifled hole, and this is the core technology point of this scheme.

Claims

1. A multi-tank simple sequence water treatment device is characterized by comprising a reaction tank and a sedimentation tank; a liquid transfer mechanism is arranged between the reaction tank and the sedimentation tank, and the liquid transfer mechanism is a pipeline with a valve or a liquid pump used for transferring water in the reaction tank to the sedimentation tank;

the liquid medicine is at least one of a coagulant or a flocculant;

2. The simple and sequential multi-tank water treatment device as claimed in claim 1, wherein the number of reaction tanks is plural, water after reaction in the plural reaction tanks is collected in the sedimentation tank, and the capacity of the sedimentation tank is larger than that of the reaction tanks.

3. The multi-tank simple sequential water treatment device according to claim 1, further comprising a controller and a liquid level detection module for detecting liquid levels of the reaction tank and the sedimentation tank; the liquid medicine enters the reaction tank through a medicine adding mechanism which is a medicine adding pipe with a valve or a liquid medicine pump; the liquid level detection module is connected with the controller, the liquid inlet mechanism, the dosing mechanism, the liquid transfer mechanism, the discharging mechanism and the slag discharging mechanism are all connected with the controller, and the controller controls the retention time of sewage in the reaction tank through the timing control unit.

4. The simple sequential multi-tank water treatment device as claimed in claim 1, wherein the reaction tank is provided with a stirring mechanism.

5. The multi-tank simple sequential water treatment device according to claim 1, wherein the liquid inlet mechanism, the liquid transfer mechanism, the liquid discharge mechanism and the slag discharge mechanism are manually controlled.

6. The multi-tank simple sequential water treatment device according to claim 1, wherein the liquid medicine enters the reaction tank through a medicine adding mechanism, the medicine adding mechanism is a medicine adding pipe with a valve or a liquid medicine pump; the dosing mechanism, the liquid inlet mechanism, the liquid transfer mechanism, the discharging mechanism and the slag discharging mechanism are electrically controlled.

7. The simple sequential multi-tank water treatment device as claimed in claim 1, wherein the sedimentation tank is provided in plurality and is used alternately.

8. The multi-tank simple sequential water treatment device according to any one of claims 1 to 6, wherein the outlet end of the inlet pipe and the dosing pipe have a non-zero angle therebetween, so that the sewage and the water treatment agent can be directly mixed when the water is fed.

9. A water treatment system comprising a multi-tank simple sequential water treatment device as claimed in any one of claims 1 to 8, further comprising a deep water treatment device; the deep water treatment device is in butt joint with the multi-pool simple sequential water treatment device and is used for further treating clear liquid output by the multi-pool simple sequential water treatment device;

10. The water treatment system of claim 9 wherein the advanced water treatment device is a DTRO/STRO device, further comprising a three-dimensional electrochemical treatment device; the water inlet of the three-dimensional electrochemical treatment device is connected with the concentrated solution outlet of the DTRO/STRO device; the three-dimensional electrochemical treatment device is used for treating the concentrated solution generated by the DTRO/STRO device.