Full-automatic continuous-flow self-flushing decontamination system

Abstract

The utility model provides a full-automatic non-stop self-flushing decontamination system, which comprises a controller, a raw water supply pipeline, a drain pipe, a tank body communication pipeline and two groups of filtering and separating components, each group of filtering and separating components comprises a primary filtering pipe, a cyclone dirt separator, a brushing mechanism and a backwashing pipeline, the primary filtering pipe is communicated with the cyclone dirt separator, and the backwashing pipeline is communicated with the cyclone dirt separator. The primary filter pipe and the rotational flow dirt separator are used for sequentially filtering sewage, the brushing mechanism is used for brushing a secondary filter plate in the rotational flow dirt separator, and the backwashing pipeline is used for providing backwashing water flow into the rotational flow dirt separator. According to the decontamination system, direct brushing of the secondary filter plate is achieved through the steel wire brush, and the cleaning effect can be guaranteed; the two groups of filtering and separating assemblies in the system alternately treat sewage according to requirements, so that continuous sewage treatment is ensured, and the sewage treatment efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a full-automatic continuous-flow self-flushing and decontamination system. Background Art

[0002] The existing cyclone separator uses the principle of centrifugal separation to filter and separate impurities in the water body that have a density greater than that of water. The separated impurities gradually accumulate at the bottom of the cyclone separator and can eventually be discharged through the sewage pipe. Impurities with a density significantly smaller than that of water float and accumulate at the sewage outlet provided on the upper part of the cyclone separator when flowing with the water toward the outlet pipe of the cyclone separator, and are eventually discharged through the sewage pipe. The cyclone separator has little effect on separating impurities that have a density equal to or similar to that of water and are in the form of flocs or fragments. When the cyclone separator is used in a traditional water supply system, it leads to a high filtration pressure on the filters, plate heat exchangers and other equipment at the back end of the water supply system, which is very likely to cause clogging of the filters and plate heat exchangers.

[0003] On March 10, 2023, the applicant applied for a Chinese utility model patent entitled "A Fully Automatic Spraying Cyclone Decontamination System" (Grant Announcement No.: CN219860704U). In this utility model patent, a spraying system is used to clean the secondary filter plates in a cyclone decontamination device. In actual application, the applicant found that when the secondary filter plates were high-pressure washed and filtered by the high-pressure water flow sprayed from the spray head, the secondary filter plates were severely blocked and had poor water and air permeability. As a result, the pressure on the upper part of the cyclone decontamination device increased sharply in the initial stage, causing a significant impact on the quick-opening flange blind plate. In severe cases, the quick-opening flange blind plate was pushed open. At the same time, when the water in the cyclone decontamination device flooded the secondary filter plates, the high-pressure water flow could not effectively backwash the secondary filter plates. Furthermore, when the spraying system was used for cleaning, sewage filtration could not continue. Sewage filtration could only be resumed after cleaning was completed. This resulted in low sewage treatment efficiency of the decontamination system when the system required frequent cleaning. Utility Model Content

[0004] The purpose of the utility model is to provide a fully automatic continuous flow self-flushing and decontamination system, which uses a wire brush to directly clean the secondary filter plate to ensure the cleaning effect; the two groups of filtering and separation components in the system alternately treat the sewage according to demand, thereby ensuring the continuous treatment of sewage and then improving the sewage treatment efficiency.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a fully automatic continuous flow self-flushing and decontamination system, including a controller, a raw water supply pipeline, a drain pipe, a tank connecting pipeline, and two groups of filtering and separating components, each group of the filtering and separating components includes a primary filter tube, a cyclone decontaminator, a cleaning mechanism, and a backwashing pipeline, the primary filter tube is tilted and arranged in a left-low and right-high state, a primary filter plate is arranged in the middle of the primary filter tube, the upper part of the primary filter tube is in a horizontal state, and the upper part of the primary filter tube is connected to the water inlet of the cyclone decontaminator along the tangent direction of the circumferential tank of the cyclone decontaminator, a primary and secondary filter plate is arranged inside the cyclone decontaminator, and the secondary filter plate is located between the water inlet and the drain outlet of the cyclone decontaminator, the cleaning mechanism includes a driving mechanism, a wire brush, The wire brush is located at the lower part of the secondary filter plate, and the bristles of the wire brush are in contact with the bottom surface of the secondary filter plate. The driving mechanism is used to drive the wire brush to rotate. The backwash pipe is connected to the cyclone separator, and the backwash pipe is used to provide backwash water flow for the secondary filter plate. The raw water supply pipeline is used to supply raw sewage to the two primary filter pipes. The tank connecting pipe realizes the through connection of the two backwash pipes. The drain pipe is connected to the drain outlet of the two cyclone separators. A first sewage control assembly is provided at the lower part of the primary filter pipe, and a second sewage control assembly is provided at the lower part of the cyclone separator. The controller can control the operation of the raw water supply pipeline, the driving mechanism, the first sewage control assembly and the second sewage control assembly.

[0006] Preferably, a quick-opening flange blind plate is provided on the upper part of the cyclone decontaminator, and the driving mechanism includes a motor, a coupling, and a rotating shaft. The motor is fixedly provided on a support frame provided on the quick-opening flange blind plate, and the coupling realizes the connection between the driving shaft of the motor and the upper part of the rotating shaft. The lower part of the rotating shaft passes through the secondary filter plate, and three wire brushes are fixedly provided on the lower part of the rotating shaft at equal intervals along its circumferential direction. A shaft seal is provided on the quick-opening flange blind plate, and the shaft seal is sleeved on the outside of the rotating shaft. The backwash pipe is fixedly provided on the quick-opening flange blind plate, and the controller is electrically connected to the motor.

[0007] Furthermore, the first-level filter tube includes a speed-reducing tube, a speed-increasing tube, an arc-shaped transition tube and a horizontal butt tube. The speed-increasing tube, the arc-shaped transition tube and the horizontal butt tube are an integral pipeline. The speed-reducing tube and the speed-increasing tube are connected by a flange connection. The first-level filter plate is arranged at the junction of the speed-reducing tube and the speed-increasing tube. The speed-increasing tube is conical in shape, and the bottom of the speed-reducing tube is closed.

[0008] Furthermore, the raw water supply pipeline includes a water supply main pipe and a water supply branch pipe. The two water supply branch pipes are connected in parallel with the water outlet end of the water supply main pipe. The outlet end of each water supply branch pipe is connected with the lower rear side of the corresponding speed reduction pipe. A first manual valve and a first electric valve are provided on each water supply branch pipe. The first electric valve is located downstream of the first manual valve. The first electric valve is electrically connected to the controller. A clean water outlet pipe is provided at the drain outlet of the cyclone separator. A one-way check valve and a second manual valve are provided on the clean water outlet pipe. The one-way check valve is located upstream of the second manual valve. The water outlet ends of the two clean water outlet pipes are connected in parallel with the drain pipe. A fifth manual valve is provided on the tank connecting pipe.

[0009] Furthermore, the first sewage control component includes a first sewage pipe, a third manual valve, and a second electric valve. The first sewage pipe is connected to the bottom of the speed reduction pipe, and the third manual valve and the second electric valve are sequentially arranged on the first sewage pipe. The second sewage control component includes a second sewage pipe, a fourth manual valve, and a third electric valve. The second sewage pipe is connected to the bottom of the cyclone separator, and the fourth manual valve and the third electric valve are sequentially arranged on the second sewage pipe. The first sewage pipe and the second sewage pipe are connected in parallel with a sewage collection pipe.

[0010] Furthermore, a first pressure gauge and a first pressure sensor are provided on the water supply branch pipe, a second pressure gauge is provided on the horizontal butt joint pipe, and a second pressure sensor and a third pressure gauge are provided on the clean water outlet pipe.

[0011] The beneficial effects of the present invention are as follows: the present invention has a simple structure and is easy to manufacture; in actual application, the continuous rotation of the wire brush can realize effective cleaning of the secondary filter plate, and the wire brush cleaning is simple to realize, without considering the pressure shock and water volume problems; the two groups of filter separation components in the utility model can be operated alternately according to demand, that is, when one group of filter separation components needs to enter the self-cleaning process, the other group of filter separation components is directly started to continue the sewage treatment process, and the two groups of filter separation components cooperate to alternately carry out continuous and effective sewage treatment, thereby improving the sewage treatment efficiency; during the backwashing process of one group of filter separation components, the other group of filter separation components transports clean water to the corresponding cyclone separator through the tank connecting pipe, and in the process of the wire brush continuously cleaning the secondary filter plate, the clean water is used to continuously flush the secondary filter plate, thereby improving the cleaning effect of the secondary filter plate, and at the same time, the clean water continuously flowing into the cyclone separator can enter the primary filter pipe, thereby realizing the backwashing of the primary filter plate, and then realizing the cleaning of the primary filter plate and the secondary filter plate, providing a guarantee for the continuous and effective sewage treatment of the entire system.

[0012] The speed reduction tube uses the centrifugal principle to achieve centrifugal separation of some impurities with higher density in the raw water, and then achieves the first-level filtration of the raw water. The first-level filter plate can filter the larger volume impurities in the raw water, thereby achieving the second-level filtration of the raw water. The cyclone decontaminator can filter the impurities in the raw water with a density greater than that of water, thereby achieving the third-level filtration of the raw water. The second-level filter plate can filter the impurities in the raw water with a density similar to that of water or a density significantly lower than that of water, thereby achieving the fourth-level filtration of the raw water. After the raw water passes through the above four-level filtration in sequence, the impurities in it are greatly reduced, thereby improving the cleanliness of the discharged clear water. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 This is a schematic structural diagram of the filtration and separation component in the present invention;

[0015] Figure 2 It is a structural diagram of the secondary filter plate;

[0016] Figure 3 for Figure 1 Enlarged view of point A in the middle;

[0017] Figure 4 This is the system principle diagram of the utility model;

[0018] Figure 5 This is a top view of the combination of the water supply branch pipe and the speed reduction pipe;

[0019] Figure 6 This is a control logic flow chart of the system using pressure parameters as control signals;

[0020] Figure 7 This is a control logic flow chart of the system with time parameters as control signals;

[0021] In the figure: 11 water supply main, 12 water supply branch, 21 speed reduction pipe, 211 first manhole, 212 first sewage pipe, 22 speed increase pipe, 23 arc transition pipe, 24 horizontal butt pipe, 3 cyclone decontaminator, 31 second manhole, 32 clean water outlet pipe, 321 one-way check valve, 33 second sewage pipe, 34 quick-opening flange blind plate, 35 backwash pipe, 41 wire brush, 411 brush wire, 42 motor, 43 coupling, 44 shaft, 5 first filter plate, 6 second filter plate, 61 through hole, 7 tank connecting pipe, 8 drainage pipe, 9 1# filter separation component, 10 2# filter separation component, 101 first electric valve, 102 second electric valve, 103 third electric valve, 201 first pressure sensor, 202 second pressure sensor, 301 first pressure gauge, 302 second pressure gauge, 303 third pressure gauge, 401 first manual valve, 402 second manual valve, 403 third manual valve, 404 fourth manual valve, 405 fifth manual valve. DETAILED DESCRIPTION

[0022] The following will be combined with specific embodiments and appendix Figure 1-7 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the embodiments described are only some preferred embodiments of the present invention, not all embodiments. Those skilled in the art may make similar modifications without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] The utility model provides a fully automatic continuous flow self-flushing and decontamination system (such as Figure 4 As shown), including a controller, a raw water supply pipeline, a drain pipe 8, a tank connecting pipe 7, two sets of filtering and separating components (such as Figure 1As shown), in this specific embodiment, the controller can be a PLC controller commonly used in the field of industrial automation. Each group of the filtering and separation components includes a primary filter tube, a cyclone separator 3, a brushing mechanism, and a backwash pipe 35. The cyclone separator 3 is a mature technology product commonly used in the field of sewage treatment. Therefore, the working principle and detailed structure of the cyclone separator 3 are not described in detail here. The primary filter tube is tilted in a state of low left and high right. In actual application, sewage enters the primary filter tube along the side wall of the primary filter tube, and then the water flow performs a spiral rotation motion in the primary filter tube. The spiral rotation motion of the water flow makes Impurities with larger density can be separated under the action of centrifugation, thereby realizing the primary filtration of sewage. A primary filter plate 5 is set in the middle of the primary filter tube. The primary filter plate 5 can realize the secondary filtration of sewage in the primary filter tube. In practical applications, the primary filter plate 5 is mainly used to realize the filtration of impurities with larger volume. In this specific embodiment, the aperture of the primary filter plate 5 can be set to 8mm; the upper part of the primary filter tube is horizontal, and the upper part of the primary filter tube is connected with the water inlet of the cyclone separator 3 along the tangent direction of the circumferential tank body of the cyclone separator 3, and the water flows from the primary filter tube into the cyclone separator 3. The water in the cyclone separator is constantly rotating, and the cyclone separator 3 can realize the third filtration of the sewage by using the centrifugal principle. A first and second filter plate 6 is arranged inside the cyclone separator 3, and the second filter plate 6 is located between the water inlet and the drain outlet of the cyclone separator. The upward water separated by the cyclone separator 6 is filtered again through the second filter plate 6 and then discharged from its drain outlet, thereby realizing the fourth filtration of the sewage by using the second filter plate 6; the cleaning mechanism includes a driving mechanism and a wire brush 41, and the wire brush 41 is located at the lower part of the second filter plate 6, and the brush wire 411 of the wire brush 41 is in contact with the bottom surface of the second filter plate 6. In actual application, when the brush is pressed When the secondary filter plate 6 needs to be cleaned as required, the brush wires 411 of the wire brush 41 are used to repeatedly clean the lower part of the secondary filter plate 6, thereby cleaning the impurities filtered and trapped at the bottom of the secondary filter plate 6; the driving mechanism is used to drive the wire brush 41 to rotate, the backwash pipe 35 is connected to the cyclone separator 3, and the backwash pipe 35 is used to provide a backwashing water flow for the secondary filter plate 6, that is, in the process of cleaning the secondary filter plate 6 with the wire brush 41, the water flow in the backwash pipe 35 synchronously washes the upper part of the secondary filter plate 6, thereby helping to improve the cleaning effect of the wire brush 41 on the secondary filter plate 6;The raw water supply pipeline is used to supply raw sewage to the two primary filter pipes. The tank connecting pipe 7 connects the two backwash pipes 35. The drain pipe 8 is connected to the drain outlets of the two cyclone separators 3. A first sewage discharge control assembly is provided at the lower portion of the primary filter pipe, which is used to discharge impurities accumulated at the lower portion of the primary filter pipe. A second sewage discharge control assembly is provided at the lower portion of the cyclone separator 3, which is used to discharge impurities remaining at the bottom of the cyclone separator 3. The controller is capable of controlling the operation of the raw water supply pipeline, the drive mechanism, the first sewage discharge control assembly, and the second sewage discharge control assembly. In actual application, the controller uses its internal control program to coordinate the raw water supply pipeline, the drive mechanism, the first sewage discharge control assembly, and the second sewage discharge control assembly, thereby achieving continuous sewage treatment by the system.

[0024] On the basis of the above embodiment, the specific implementation of the driving mechanism is as follows: a quick-opening flange blind plate 34 is provided on the upper part of the cyclone decontaminator 3, the driving mechanism includes a motor 42, a coupling 43, and a rotating shaft 44, the motor 42 is fixedly provided on a support frame provided on the quick-opening flange blind plate 34, the motor 42 is vertically inverted and provided on the support frame, the coupling 43 realizes the connection between the driving shaft of the motor 42 and the upper part of the rotating shaft 44, the lower part of the rotating shaft 44 passes through the secondary filter plate 6, specifically, a through hole 61 is provided on the secondary filter plate 6, the rotating shaft 44 passes through the through hole 61, and three wire brushes 41 distributed at equal intervals along the circumferential direction thereof are fixedly provided on the lower part of the rotating shaft 44, and a shaft is provided on the quick-opening flange blind plate 34. The shaft seal is arranged on the outside of the rotating shaft 44, and the sealing function of the shaft seal is used to effectively realize the outflow of sewage from the gap between the quick-opening flange blind plate 34 and the rotating shaft 44. In actual application, when it is required to use the wire brush 41 to clean the secondary filter plate 6, the motor 42 is started to drive the wire brush 41 to rotate, so as to clean the secondary filter plate 6. In actual application, the motor 42 can be a variable frequency motor, so that the speed of the wire brush 41 can be controlled according to actual needs. The backwash pipe 35 is fixedly provided on the quick-opening flange blind plate 34. The backwash pipe 35 can be used to reversely convey water into the corresponding cyclone decontaminator 3, thereby realizing a backwash effect on the secondary filter plate 6. The controller is electrically connected to the motor 42, and the operation control of the motor 42 is realized by the controller.

[0025] On the basis of the above embodiment, the specific implementation of the first-level filter tube is as follows: the first-level filter tube includes a speed reduction tube 21,

[0026] The speed-increasing pipe 22, the arc-shaped transition pipe 23 and the horizontal butt pipe 24, the speed-increasing pipe 21, the arc-shaped transition pipe 23 and the horizontal butt pipe 24 are an integral pipe. Specifically, the speed-increasing pipe 21, the arc-shaped transition pipe 23 and the horizontal butt pipe 24 can be connected and fixed by welding. The speed-reducing pipe 21 is connected to the speed-increasing pipe 22 by a flange connection. The primary filter plate 5 is arranged at the junction of the speed-reducing pipe 21 and the speed-increasing pipe 22. In order to ensure that the sewage in the raw water supply pipeline flows into the speed-reducing pipe 21 and the flow rate is reduced, the diameter of the sewage supply pipe connected to the speed-reducing pipe 21 can be made smaller than the straight drop of the speed-reducing pipe 21, and the water flow in the speed-reducing pipe 21 is smaller than the straight drop of the speed-reducing pipe 21. After the flow rate is reduced, it is beneficial to use the centrifugal principle to realize the centrifugal separation and precipitation of impurities with higher density. At the same time, it is also beneficial to allow the larger volume of impurities blocked by the primary filter plate 5 to descend and precipitate to the bottom of the speed reduction tube 21. The bottom of the speed reduction tube 21 is in a closed state. The bottom of the speed reduction tube 21 is in a closed state, which is beneficial to realize a sedimentation area with lower fluidity at its bottom, thereby facilitating the precipitation of separated impurities; the speed-up tube 22 is conical, and the raw water enters from the large mouth and exits from the small mouth of the speed-up tube 22, thereby realizing the speed-up of the water flow. After the speed-up water flow passes through the horizontal docking tube 24, it rotates at high speed along the inner wall of the cyclone separator 3 and enters the cyclone separator 3. When the speed reduction pipe 21 and the cyclone separator 3 are used to filter and remove impurities from the raw water, in order to facilitate manual assistance in cleaning the impurities filtered and retained in the speed reduction pipe 21 and the cyclone separator 3, a first manhole 211 is provided on the upper side wall of the bottom of the speed reduction pipe 21, and a second manhole 31 is provided in the middle of the cyclone separator 3. The manhole is a known technical product in the field of water supply equipment technology. It is actually a cleaning port that can be opened or closed. When manual cleaning of impurities is required, the manhole can be opened; when manual cleaning of impurities is not required or normal work is performed, the manhole can be closed.

[0027] On the basis of the above embodiment, the specific implementation method of the raw water supply pipeline is as follows: the raw water supply pipeline includes a water supply main pipe 11 and a water supply branch pipe 12, and the two water supply branch pipes 12 are connected in parallel with the water outlet end of the water supply main pipe 11. The water supply main pipe 11 is used to be connected with the sewage discharge outlet. The outlet end of each water supply branch pipe 12 is connected with the lower rear side of the corresponding speed reduction pipe 21. In order to facilitate the water flow flowing from the water supply branch pipe 12 into the speed reduction pipe 21 to be in a rotating state, the water supply branch pipe 12 is placed horizontally relative to the speed reduction pipe 21, and the water supply branch pipe 12 is connected to the lower rear side of the speed reduction pipe 21 (such as Figure 5As shown), further, the nominal diameter of the water supply branch pipe 12 is 3 / 5 of the nominal diameter of the speed reduction pipe 21. Specifically, when the nominal diameter of the water supply branch pipe 12 is 300 mm, the nominal diameter of the speed reduction pipe 21 is 500 mm; a first manual valve 401 and a first electric valve 101 are provided on each of the water supply branch pipes 12, the first electric valve 101 is located downstream of the first manual valve 401, the first electric valve 101 is electrically connected to the controller, and the controller controls the start and close of the first electric valve 101, a clean water outlet pipe 32 is provided at the drain outlet of the cyclone separator 3, a one-way check valve 321 and a second manual valve 402 are provided on the clean water outlet pipe 32, the one-way check valve 321 is located upstream of the second manual valve 402, the water outlet ends of the two clean water outlet pipes 32 are connected to the drain pipe 8 in parallel, and a fifth manual valve 405 is provided on the tank connecting pipe 7.

[0028] On the basis of the above embodiment, the specific implementation of the first sewage control component and the second sewage control component is as follows: the first sewage control component includes a first sewage pipe 212, a third manual valve 403, and a second electric valve 102. The first sewage pipe 212 is connected to the bottom of the speed reduction pipe 21. The third manual valve 403 and the second electric valve 102 are sequentially arranged on the first sewage pipe 212. In actual application, the controller is electrically connected to the second electric valve 102, and the controller is used to realize the opening and closing of the second electric valve 102. The second sewage control component includes a second sewage pipe 33, a fourth manual valve 104, and a third electric valve 103. The second sewage pipe 33 is connected to the bottom of the cyclone decontaminator 3. The fourth manual valve 104 and the third electric valve 103 are sequentially arranged on the second sewage pipe 33. In actual application, the controller is electrically connected to the third electric valve 103, and the controller is used to realize the opening and closing of the third electric valve 103. In actual application, when the speed reduction pipe 21 needs to discharge bottom impurities, the third manual valve 403 is in the open state, and the controller starts the second electric valve 102 to realize the discharge of impurities at the bottom of the speed reduction pipe 21. When the cyclone decontaminator 3 needs to discharge bottom impurities, the fourth manual valve 404 is in the open state, and the controller starts the third electric valve 103 to realize the discharge of impurities at the bottom of the cyclone decontaminator 3. The first sewage pipe 212 and the second sewage pipe 33 are connected in parallel with a sewage collection pipe, and the sewage collection pipe realizes the directional discharge of impurities.

[0029] In actual applications, in order to facilitate the realization of the automatic operation of the system backwash by using pressure feedback parameters in the present decontamination system, a first pressure gauge 301 and a first pressure sensor 201 are provided on the water supply branch pipe 12, a second pressure gauge 302 is provided on the horizontal butt pipe, and a second pressure sensor 202 and a third pressure gauge 303 are provided on the clean water outlet pipe 32. The pressure gauge is used to facilitate the staff to understand the system operating water pressure of the corresponding parts on site, and the pressure sensor is used to realize the digital collection and management of the system operating pressure. The first pressure sensor 201 and the second pressure sensor 202 are both electrically connected to the controller. In actual applications, the controller receives the pressure data output by the first pressure sensor 201 and the second pressure sensor 202 in real time.

[0030] The present invention can adopt manual control or controller automatic control to realize the backwash operation of the sewage removal system. To ensure that the system can enter the normal sewage treatment process, before the sewage removal system is operated, the staff needs to ensure that the first manual valve 401, the second manual valve 402, the third manual valve 403, the fourth manual valve and the fifth manual valve 405 are in the open state, the first electric valve 101, the second electric valve 102, the third electric valve 10 and the motor 42 are in the closed state, and the first pressure sensor 201 and the second pressure sensor 202 are in normal operating state.

[0031] In order to facilitate manual control or automatic control of the decontamination system, the two groups of filter separation components are divided into 1# filter separation component 9 and 2# filter separation component 10.

[0032] The control process for achieving manual backwashing of the 1# filter separation component 9 is as follows: first, open the first electric valve 101 in the 2# filter separation component 10. After it is fully opened, close the first electric valve 101 in the 1# filter separation component 9. Then, turn on the motor 42 in the 1# filter separation component 9, turn on the second electric valve 102 and the third electric valve 103 in the 1# filter separation component 9, and the wire brush 41 continuously cleans the impurities attached to the bottom of the secondary filter plate 6. At the same time, the water flowing through the tank connecting pipe 7 continuously backwashes the secondary filter 6 and the primary filter 5, and the sewage is discharged through the first sewage pipe 212 and the second sewage pipe 33. After the second electric valve 102, the third electric valve 103 and the motor 42 have been running for a period of time, the second electric valve 102, the third electric valve 103 and the motor 42 are manually closed, thereby achieving the manual backwashing process of the 1# filter separation component 9.

[0033] In this specific embodiment, the controller automatically controls the automatic backwashing of the decontamination system, and can use time or pressure as a control parameter to perform automatic backwashing control.

[0034] When time is used as the control signal, the continuous operation cycle M of the 1# filtering and separating component 9 and the 2# filtering and separating component 10 and the operation time T of the motor 42 are set in the controller.

[0035] The control process for realizing the automatic backwashing of the 1# filter separation component 9 with time as the control signal is as follows: the staff uses the controller to make the decontamination system enter the sewage treatment mode of the 1# filter separation component. After the controller receives the corresponding start command, the first electric valve 101 in the 1# filter separation component 9 is started, and the controller synchronizes the timing. The controller compares the timing time t1 with the operation cycle time M in real time. If t1 < M, the system operates normally. If t1 ≥ M, the system enters the cleaning mode. The controller opens the first electric valve 101 in the 2# filter separation component 10. After the first electric valve 101 in the 2# filter separation component 10 is opened in place, the 1# filter separation component is closed. The first electric valve 101 in the filter separation component 9 is opened, thereby avoiding water interruption. After the first electric valve 101 in the 1# filter separation component 9 is closed, the second electric valve 102 and the third electric valve 103 in the 1# filter separation component 9 are opened, and the motor 42 in the 1# filter separation component 9 is opened, and sewage cleaning and drainage begin. After the motor 42 runs for time T, the second electric valve 102, the third electric valve 103 and the motor 42 in the 1# filter separation component 9 are closed. After the second electric valve 102 and the third electric valve 103 in the 1# filter separation component 9 are closed, the system timing time t1 is reset, and the system exits the cleaning mode, thereby completing the cleaning work of the 1# filter separation component 9.

[0036] When the pressure signal is used as the control signal, the pressure difference starting value ΔP0 and the running time T of the motor 42 are set in the controller.

[0037] The control process for realizing the automatic backwashing of the 1# filter separation component 9 using pressure as the control signal is as follows: the staff uses the controller to make the decontamination system enter the sewage treatment mode of the 1# filter separation component for operation. After the controller receives the corresponding start command, the first electric valve 101 in the 1# filter separation component 9 is started. During the continuous operation of the 1# filter separation component 9, the controller receives the monitoring value P2 of the second pressure sensor 202 and the monitoring value P1 of the first pressure sensor 201 in real time, and compares the difference △P1 of P1-P2 with the pressure difference threshold △P0 set in the program in real time. If △P1<△P0, the 1# filter separation component 9 keeps comparing in a loop and does not perform any operation. When △P1≥△P0 and the time exceeds 5s, the system enters the cleaning mode and turns on the 2# filter. The first electric valve 101 in the separation component 10, after the first electric valve 101 in the 2# filter separation component 10 is opened, close the first electric valve 101 in the 1# filter separation component 9, thereby avoiding water interruption, after the first electric valve 101 in the 1# filter separation component 9 is closed, open the second electric valve 102 and the third electric valve 103 in the 1# filter separation component 9, turn on the motor 42 in the 1# filter separation component 9, and start cleaning and draining. After the motor 42 runs for T time, close the second electric valve 102, the third electric valve 103 and the motor 42 in the 1# filter separation component 9, after the second electric valve 102 and the third electric valve 103 in the 1# filter separation component 9 are closed, the system exits the cleaning mode, thereby completing the cleaning work of the 1# filter separation component 9.

[0038] In the present invention, “left” and “right” are relative positions used for the convenience of describing positional relationships, and therefore cannot be understood as absolute positions to limit the scope of protection.

[0039] Except for the technical features described in the specification, all other technical features are known technologies to those skilled in the art.

[0040] The above description, in conjunction with the accompanying drawings, details the preferred embodiments and examples of the present invention. However, the present invention is not limited to the above embodiments and examples. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the concept of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A fully automatic continuous flow self-flushing and decontamination system, including a controller, a raw water supply pipeline, and a drain pipe, characterized by: The decontamination system also includes a tank communicating pipe and two groups of filtering and separating components. Each group of filtering and separating components includes a primary filter tube, a cyclone separator, a cleaning mechanism, and a backwashing pipe. The primary filter tube is tilted in a state of being lower on the left and higher on the right. A primary filter plate is provided in the middle of the primary filter tube. The upper portion of the primary filter tube is horizontal, and the upper portion of the primary filter tube is connected to the water inlet of the cyclone separator along the tangent direction of the circumferential tank of the cyclone separator. A primary and secondary filter plates are provided inside the cyclone separator, and the secondary filter plates are located between the water inlet and the drain port of the cyclone separator. The cleaning mechanism includes a driving mechanism and a wire brush. The wire brush is located at the lower portion of the secondary filter plate, and the wire brush The brush wire is in contact with the bottom surface of the secondary filter plate, the driving mechanism is used to drive the wire brush to rotate, the backwash pipe is connected to the cyclone separator, and the backwash pipe is used to provide backwash water flow for the secondary filter plate, the raw water supply pipeline is used to supply raw sewage to the two primary filter pipes, the tank connecting pipe realizes the through connection of the two backwash pipes, the drain pipe is connected to the drain outlet of the two cyclone separators, a first sewage control assembly is provided at the lower part of the primary filter pipe, and a second sewage control assembly is provided at the lower part of the cyclone separator, and the controller can control the operation of the raw water supply pipeline, the driving mechanism, the first sewage control assembly and the second sewage control assembly.

2. A fully automatic continuous flow self-flushing and decontamination system according to claim 1, characterized in that A quick-opening flange blind plate is provided on the upper part of the cyclone decontaminator, and the driving mechanism includes a motor, a coupling, and a rotating shaft. The motor is fixedly provided on a support frame provided on the quick-opening flange blind plate, and the coupling realizes the connection between the driving shaft of the motor and the upper part of the rotating shaft. The lower part of the rotating shaft passes through the secondary filter plate, and three wire brushes are fixedly provided on the lower part of the rotating shaft and are distributed at equal intervals along the circumferential direction thereof. A shaft seal is provided on the quick-opening flange blind plate, and the shaft seal is sleeved on the outside of the rotating shaft. The backwash pipe is fixedly provided on the quick-opening flange blind plate, and the controller is electrically connected to the motor.

3. The fully automatic continuous self-flushing and decontamination system according to claim 2 is characterized in that: The first-level filter pipe includes a speed-reducing pipe, a speed-increasing pipe, an arc-shaped transition pipe and a horizontal butt pipe. The speed-increasing pipe, the arc-shaped transition pipe and the horizontal butt pipe are an integral pipe. The speed-reducing pipe and the speed-increasing pipe are connected by a flange connection. The first-level filter plate is arranged at the junction of the speed-reducing pipe and the speed-increasing pipe. The speed-increasing pipe is conical in shape, and the bottom of the speed-reducing pipe is closed.

4. The fully automatic continuous self-flushing and decontamination system according to claim 3 is characterized in that: The raw water supply pipeline includes a water supply main pipe and a water supply branch pipe. The two water supply branch pipes are connected in parallel with the water outlet end of the water supply main pipe. The outlet end of each water supply branch pipe is connected with the lower rear side of the corresponding speed reduction pipe. A first manual valve and a first electric valve are provided on each water supply branch pipe. The first electric valve is located downstream of the first manual valve. The first electric valve is electrically connected to the controller. A clean water outlet pipe is provided at the drain outlet of the cyclone separator. A one-way check valve and a second manual valve are provided on the clean water outlet pipe. The one-way check valve is located upstream of the second manual valve. The water outlet ends of the two clean water outlet pipes are connected in parallel with the drain pipe. A fifth manual valve is provided on the tank connecting pipe.

5. The fully automatic continuous self-flushing and decontamination system according to claim 4 is characterized in that: The first sewage control assembly includes a first sewage pipe, a third manual valve, and a second electric valve. The first sewage pipe is connected to the bottom of the speed reduction pipe, and the third manual valve and the second electric valve are sequentially arranged on the first sewage pipe. The second sewage control assembly includes a second sewage pipe, a fourth manual valve, and a third electric valve. The second sewage pipe is connected to the bottom of the cyclone decontaminator, and the fourth manual valve and the third electric valve are sequentially arranged on the second sewage pipe. The first sewage pipe and the second sewage pipe are connected to a sewage collection pipe in parallel.

6. A fully automatic continuous self-flushing and decontamination system according to claim 5, characterized in that a first pressure gauge and a first pressure sensor are provided on the water supply branch pipe, a second pressure gauge is provided on the horizontal butt joint pipe, and a second pressure sensor and a third pressure gauge are provided on the clean water outlet pipe.

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