CN104460632A - Sewage treatment system adopting embedded control system - Google Patents
Sewage treatment system adopting embedded control system Download PDFInfo
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- CN104460632A CN104460632A CN201410788919.1A CN201410788919A CN104460632A CN 104460632 A CN104460632 A CN 104460632A CN 201410788919 A CN201410788919 A CN 201410788919A CN 104460632 A CN104460632 A CN 104460632A
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- 239000010865 sewage Substances 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000010926 purge Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 4
- 241000407193 Pindis Species 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 abstract description 12
- 239000012528 membrane Substances 0.000 abstract description 12
- 238000011010 flushing procedure Methods 0.000 abstract 6
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000009991 scouring Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Treatment Of Biological Wastes In General (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a sewage treatment system, in particular to a sewage treatment system adopting an embedded control system. The sewage treatment system is used for solving the problem that as a back-flushing device operates in the mode of driving flushing water flow through a water pump, the mode has the disadvantages that the flow rate of the water flow is low, and the flushing capacity is poor, and contaminants attached to the surface of a ceramic membrane can not be cleared away easily and thoroughly. The sewage treatment system comprises an embedded controller, an air bag type back-flushing tank, N sewage filtering assemblies, an incoming water storage tank, a filtered water outlet pipeline, a blow-off pipeline, a back-flushing water supply pipeline, a back-flushing air pressure pipeline and a plurality of pneumatic valves. Each control signal output end of the embedded controller corresponds to the control signal input end of one pneumatic valve, the analog input end and the on-off input end of the embedded controller are connected with the analog output end and the on-off output end in the sewage treatment system respectively, and the sensor signal input end of the embedded controller is connected with the analog sensor signal output end in the sewage treatment system. The sewage treatment system is suitable for enterprise sewage treatment under various working conditions.
Description
Technical field
The present invention relates to a kind of sewage disposal system.
Background technology
Along with society improves gradually to the consciousness of environmental protection, environmental administration is to the cleanup standard of enterprise's sewage and require also to improve thereupon, especially stricter to the emission request to the serious heavy industry enterprise of water resource pollution such as petrochemical industry.Existing sewage disposal system mainly adopts ceramic membrane body to filter water, and regularly carries out the mode of back flush and chemical cleaning to carry out wastewater treatment to ceramic membrane body.Existing sewage disposal system also exists following defect: 1, the controller of sewage disposal system generally adopts industrial computer and PLC as primary control, there is control system complicated operation, machine cost is high, the shortcoming higher to the environmental requirement of operating condition; 2, the pilot piping of existing sewage disposal system generally all adopts the mode of solenoid valve fluid,matching pressing system, because solenoid valve switching time is long, the reaction time of system is increased greatly, especially to the backwash process of ceramic membrane body, because solenoid valve is slow in one's movements, significantly limit flow velocity and the impulsive force of back flush current, the pollutant not easily completely clean ceramic membrane body adhered to, cause the problem that ceramic membrane serviceable life is low; 3, existing back purge system generally adopts water pump to drive the mode of rinsing current to carry out, and it is slow that this mode also exists flow rate of water flow, the shortcoming of scouring capability difference, not easily thoroughly removes the pollutant of ceramic membrane surface attachment.
Summary of the invention
The present invention generally adopts water pump to drive the mode of rinsing current to carry out to solve existing back purge system, it is slow that this mode also exists flow rate of water flow, the shortcoming of scouring capability difference, not easily thoroughly remove the problem of the pollutant of ceramic membrane surface attachment, and the sewage disposal system of the employing embedded control system proposed.
Adopt the sewage disposal system of embedded control system, described sewage disposal system comprises embedded controller, gasbag-type recoil cleaning of evaporator, N number of sewage water filtration assembly, water reserve tank, filters rear outlet pipeline, blowoff line, back flush supply channel, back flush pneumatic circuit and multiple operated pneumatic valve; Described N be greater than 2 natural number; Composition and the connected mode of described N number of sewage water filtration assembly are all identical, and described sewage water filtration assembly comprises high-pressure filteration tank, low pressure hay tank, water circulating pump, overhead control purge gas movable valve, high-pressure side operated pneumatic valve, low-pressure side operated pneumatic valve, air pressure balance valve and carrys out water control valve; The overhead control purge gas movable valve water inlet end of sewage water filtration assembly is communicated with by the recoil back flush flowing water Valve of cleaning of evaporator of pipeline and gasbag-type, and the overhead control purge gas movable valve water side of sewage water filtration assembly is communicated with the back flush water inlet end of low pressure hay tank with the back flush water inlet end of high-pressure filteration tank with low-pressure side operated pneumatic valve respectively by high-pressure side operated pneumatic valve; The water inlet end of the water circulating pump of sewage water filtration assembly is communicated with water reserve tank by pipeline, and the water side of the water circulating pump of sewage water filtration assembly is carried out water end (W.E.) respectively and carried out water end (W.E.) with the filtration of low pressure hay tank by carrying out water control valve and be communicated with the filtration of high-pressure filteration tank; After the filtration of high-pressure filteration tank water side and low pressure hay tank filtration after water side by filter after outlet pipeline discharge, the blowdown end of high-pressure filteration tank and the blowdown end of low pressure hay tank are discharged by blowoff line; Described gasbag-type recoil cleaning of evaporator comprises back flush air pressure link, closed shell, piston type chassis, scalable air bag, back flush water cavity, back flush for water end (W.E.) and back flush water side; Described scalable air bag is communicated with back flush pneumatic circuit by back flush air pressure link; Described scalable air bag and piston type chassis are sealedly and fixedly connected, and are sealed and matched between described piston type chassis and closed shell; Described back flush supply channel is communicated with back flush water cavity for water end (W.E.) by back flush, and back flush water cavity is communicated with the overhead control purge gas movable valve of sewage water filtration assembly by back flush water side; The control signal input end of each control signal output terminal of a described embedded controller corresponding operated pneumatic valve respectively, analog input end and the On-off signal end of described embedded controller are connected analog output end in sewage disposal system and output switch parameter end respectively; The sensor signal input end of described embedded controller connects the analog sensor signal output part in sewage disposal system.
Adopting the sewage disposal system of embedded control system to have air pressure described in the application drives the mode of rinsing current to carry out, and flow rate of water flow is fast, and impulsive force is strong, the advantage that scouring capability is good.
The application also has following beneficial effect:
1, described in the application, the controller of sewage disposal system adopts industrial PC, and adopting embedded controller, control procedure is simple, by display unit 1-8 display system running status, industrial PC machine cost is low, lower to the environmental requirement of operating condition.
2, the pilot piping of sewage disposal system described in the application adopts operated pneumatic valve to coordinate the mode of baric systerm, because solenoid valve switching time is long, mostly completed switch at about 20 seconds, and the application adopts operated pneumatic valve, switching time is about 1 second, the reaction time of system is increased greatly, especially to the backwash process of ceramic membrane body, because switching speed of pneumatic valve is fast, drastically increase flow velocity and the impulsive force of back flush current, the pollutant that ceramic membrane body adheres to can be cleaned completely, greatly extend the serviceable life of ceramic membrane.
3, the application adopts exclusive gasbag-type recoil cleaning of evaporator 2, coordinates air pressure to drive the mode of rinsing current to carry out, accelerates backwashing water Flow Velocity further, greatly improve the cleaning quality of ceramic membrane.
4, traditional back-purge system all adopts a branch road to join the structure of a recoil cleaning of evaporator, cause the waste on equipment, drastically increase system cost, the application adopts the cleaning of evaporator that recoils to coordinate many back flush branch roads, by embedded controller 1 control time flow process, every back flush in 5 minutes branch road, improve the utilization factor of system, save a large amount of costs.
The present invention can be widely used in the wastewater treatment of all kinds of operating mode enterprise.
Accompanying drawing explanation
Fig. 1 is for adopting the modular structure schematic diagram of the sewage disposal system of embedded control system described in the application; Fig. 2 is the structural representation of the application's gasbag-type recoil cleaning of evaporator 2; Fig. 3 is the modular structure schematic diagram of the application's embedded controller 1; Fig. 4 is the circuit theory diagrams of analog input unit 1-3; Fig. 5 is the circuit theory diagrams of On-off signal unit 1-4; Fig. 6 is the circuit theory diagrams of linear signal output unit 1-6; Fig. 7 is the circuit theory diagrams of switch amount output unit 1-5; Fig. 8 is the circuit theory diagrams of sensor unit 1-2; Fig. 9 is the circuit theory diagrams of alarm unit 1-9.
Embodiment
Embodiment one: composition graphs 1, Fig. 2 illustrate present embodiment, adopt the sewage disposal system of embedded control system described in present embodiment, described sewage disposal system comprises embedded controller 1, gasbag-type recoil cleaning of evaporator 2, N number of sewage water filtration assembly 3, water reserve tank 4, filters rear outlet pipeline A, blowoff line B, back flush supply channel C, back flush pneumatic circuit D and multiple operated pneumatic valve; Described N be greater than 2 natural number; Composition and the connected mode of described N number of sewage water filtration assembly 3 are all identical, and described sewage water filtration assembly 3 comprises high-pressure filteration tank 3-1, low pressure hay tank 3-2, water circulating pump 3-3, overhead control purge gas movable valve, high-pressure side operated pneumatic valve, low-pressure side operated pneumatic valve, air pressure balance valve and carrys out water control valve; The overhead control purge gas movable valve water inlet end of sewage water filtration assembly 3 is communicated with by the recoil back flush flowing water Valve of cleaning of evaporator 2 of pipeline and gasbag-type, and the overhead control purge gas movable valve water side of sewage water filtration assembly 3 is communicated with the back flush water inlet end of low pressure hay tank 3-2 with the back flush water inlet end of high-pressure filteration tank 3-1 with low-pressure side operated pneumatic valve respectively by high-pressure side operated pneumatic valve; The water inlet end of the water circulating pump 3-3 of sewage water filtration assembly 3 is communicated with water reserve tank 4 by pipeline, and the water side of the water circulating pump 3-3 of sewage water filtration assembly 3 is carried out water end (W.E.) respectively and carried out water end (W.E.) with the filtration of low pressure hay tank 3-2 by carrying out water control valve and be communicated with the filtration of high-pressure filteration tank 3-1; After the filtration of high-pressure filteration tank 3-1 water side and low pressure hay tank 3-2 filtration after water side by filter after outlet pipeline A discharge, the blowdown end of high-pressure filteration tank 3-1 and the blowdown end of low pressure hay tank 3-2 are discharged by blowoff line B; Described gasbag-type recoil cleaning of evaporator 2 comprises back flush air pressure link 2-1, closed shell 2-2, piston type chassis 2-3, scalable air bag 2-4, back flush water cavity 2-5, back flush for water end (W.E.) 2-6 and back flush water side 2-7; Described scalable air bag 2-4 is communicated with back flush pneumatic circuit D by back flush air pressure link 2-1; Described scalable air bag 2-4 and piston type chassis 2-3 is sealedly and fixedly connected, and is sealed and matched between described piston type chassis 2-3 and closed shell 2-2; Described back flush supply channel C is communicated with back flush water cavity 2-5 for water end (W.E.) 2-6 by back flush, and back flush water cavity 2-5 is communicated with the overhead control purge gas movable valve of sewage water filtration assembly 3 by back flush water side 2-7; The control signal input end of each control signal output terminal of a described embedded controller 1 corresponding operated pneumatic valve respectively, analog input end and the On-off signal end of described embedded controller 1 are connected analog output end in sewage disposal system and output switch parameter end respectively; The sensor signal input end of described embedded controller 1 connects the analog sensor signal output part in sewage disposal system.
Embodiment two: composition graphs 3 illustrates present embodiment, present embodiment and embodiment one difference are that embedded controller 1 comprises embedded type CPU 1-1, sensor unit 1-2, analog input unit 1-3, On-off signal unit 1-4, switch amount output unit 1-5, linear signal output unit 1-6, ipc monitor unit 1-7, display unit 1-8 and alarm unit 1-9; The analog signals input end of described embedded type CPU 1-1 is connected with the on-off model output terminal of On-off signal unit 1-4 with the analog signals output terminal of analog input unit 1-3 respectively with on-off model input end; The linear signal output terminal of described embedded type CPU 1-1 is connected with the on-off model input end of switch amount output unit 1-5 with the linear signal input end of linear signal unit 1-6 respectively with on-off model output terminal; The sensor signal input end of described embedded type CPU 1-1 is connected with the sensor signal output terminal of sensor unit 1-2; The display output terminal of described embedded type CPU 1-1 is connected with the alerting signal input end of alarm unit 1-9 with the display input end of display unit 1-8 respectively with alarm signal output ends; The upper machine communication signal I/O of described embedded type CPU 1-1 is connected with the upper machine communication signal input output end of ipc monitor unit 1-7.Other composition is identical with embodiment one with connected mode.
Embodiment three: composition graphs 4 illustrates present embodiment, present embodiment and embodiment two difference are that analog input unit 1-3 comprises the first chip U1 and the first diode D1 to the 8th diode D8; Described first chip U1 adopts the model of Texas Instrument to be CD4051 chip, the pin VEE ground connection of the first chip U1, the negative electrode of the first diode D1 is connected with ground wire with the negative electrode of the second diode D2, the negative electrode of the 3rd diode D3, the negative electrode of the 4th diode D4, the negative electrode of the 5th diode D5, the negative electrode of the 6th diode D6, the negative electrode of the 7th diode D7, the negative electrode of the 8th diode D8 simultaneously; The pin X7 to pin X0 of the first chip U1 is connected with the anode of the first diode D1 anode to the 8th diode D8 respectively accordingly.Other composition is identical with embodiment two with connected mode.
Embodiment four: composition graphs 5 illustrates present embodiment, present embodiment and embodiment two difference are that On-off signal unit 1-4 comprises the second chip U2, the 3rd chip U3 and the first resistance R1; Second chip U2 adopts the model of Sharp Corp to be the chip of PC817, and the 3rd chip U3 adopts the model of Texas Instrument to be the chip of 74HC245; One end of first resistance R1 is connected with power supply VCC, the other end of the first resistance R1 is connected with the positive input of the second chip U2, first output terminal of the second chip U2 is connected with power vd D, and second output terminal of the second chip U2 is connected with the pin B0 of the 3rd chip U3.Other composition is identical with embodiment two with connected mode.
Embodiment five: composition graphs 6 illustrates present embodiment, present embodiment and embodiment two difference are that linear signal output unit 1-6 comprises the 4th chip U4, the second resistance R2 to the 5th resistance R5, the first electric capacity C1 and the second electric capacity C2, described 4th chip U4 adopts model to be the chip of AD694JN, the pin VS of described 4th chip U4 is connected with power supply+24V, the pin FORCE of the 4th chip U4 is connected with the pin SENSE of the 4th chip U4, the pin FB of the 4th chip U4 is connected with one end of the second resistance R2, the other end of the second resistance R2 is connected with the pin-SIG of the 4th chip U4 with one end of the 3rd resistance R3 simultaneously, the other end ground connection of the 3rd resistance R3, pin+the SIG of the 4th chip U4 is connected with one end of the 4th resistance R4 with one end of the first electric capacity C1 simultaneously, the other end ground connection of the first electric capacity C1, the other end of the 4th resistance R4 is connected with one end of the second electric capacity C2 with one end of the 5th resistance R5 simultaneously, the other end ground connection of the second electric capacity C2, the other end of the 5th resistance R5 is the linear signal output terminal of linear signal output unit 1-6.Other composition is identical with embodiment two with connected mode.
Embodiment six: composition graphs 7 illustrates present embodiment, present embodiment and embodiment two difference are that switch amount output unit 1-5 comprises the 5th chip U5, the 6th chip U6, the 6th resistance R6 and the 7th resistance R7; 5th chip U5 adopts the model of Texas Instrument to be the chip of 74HC573, and the 6th chip U6 adopts model to be the chip of PC817; One end of described 6th resistance R6 is connected with power vd D, the other end of the 6th resistance R6 is connected with the positive input of the 6th chip U6, second output head grounding of the 6th chip U6, first output terminal of the 6th chip U6 is connected with one end of the 7th resistance R7 with the pin one Q of the 5th chip U5 simultaneously, and the other end of the 7th resistance R7 is connected with power supply VCC.Other composition is identical with embodiment two with connected mode.
Embodiment seven: composition graphs 8 illustrates present embodiment, present embodiment and embodiment two difference are that sensor unit 1-2 comprises the 7th chip U7, the first triode Q1, the 9th diode D9, the 8th resistance R8 to the tenth resistance R10 and the 3rd electric capacity C3 and the 5th electric capacity C5, 7th chip U7 adopts model to be the chip of KA555, the collector of the first triode Q1 is connected with power supply VCC with the anode of the 9th diode D9 simultaneously, the negative electrode of the 9th diode D9 is connected with one end of the 8th resistance R8, the other end of the 8th resistance R8 is connected with ground wire with one end of the 9th resistance R9 simultaneously, the other end of the 9th resistance R9 is connected with one end of the 3rd electric capacity C3 with the emitter of the first triode Q1 simultaneously, the other end of the 3rd electric capacity C3 is connected with the pin TRIG of the 7th chip U7, the pin DIS of the 7th chip U7 simultaneously with the pin THR of the 7th chip U7, one end of 5th electric capacity C5 is connected with one end of the tenth resistance R10, the other end of the tenth resistance R10 is connected with power supply VCC with the pin VCC of the 7th chip U7 simultaneously, the pin R of the 7th chip U7 is connected with power supply VCC by not gate, the other end of the 5th electric capacity C5 simultaneously with the pin GND of the 7th chip U7, one end of 4th electric capacity C4 is connected with ground wire, the other end of the 4th electric capacity C4 is connected with the pin CVolt of the 7th chip U7.Other composition is identical with embodiment two with connected mode.
Embodiment eight: composition graphs 9 illustrates present embodiment, present embodiment and embodiment two difference are that alarm unit 1-9 comprises the 8th chip U8, the second triode Q2, the 11 resistance R11, the 12 resistance R12 and the 9th chip U9, 8th chip U8 adopts model to be the chip of AP18108, 9th chip U9 adopts model to be the chip of DCTT, the emitter of the second triode Q2 simultaneously with power supply ground, one end of 11 resistance R11 is connected with the pin GND of the 8th chip U8, the other end of the 11 resistance R11 is connected with the pin OUT3 of the 8th chip U8 with the base stage of the second triode Q2 simultaneously, the collector of the second triode Q2 is connected with one end of the 9th chip U9, the other end of the 9th chip U9 simultaneously with one end of the 12 resistance R12, the pin VCC of the 8th chip U8 is connected with power supply VCC, the other end of the 12 resistance R12 is connected with the pin OSC of the 8th chip U8.Other composition is identical with embodiment two with connected mode.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For this person of an ordinary skill in the technical field, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that claims that the present invention submits to are determined.
Claims (8)
1. adopt the sewage disposal system of embedded control system, it is characterized in that described sewage disposal system comprises embedded controller (1), gasbag-type recoil cleaning of evaporator (2), N number of sewage water filtration assembly (3), water reserve tank (4), filters rear outlet pipeline (A), blowoff line (B), back flush supply channel (C), back flush pneumatic circuit (D) and multiple operated pneumatic valve; Described N be greater than 2 natural number; Composition and the connected mode of described N number of sewage water filtration assembly (3) are all identical, and described sewage water filtration assembly (3) comprises high-pressure filteration tank (3-1), low pressure hay tank (3-2), water circulating pump (3-3), overhead control purge gas movable valve, high-pressure side operated pneumatic valve, low-pressure side operated pneumatic valve, air pressure balance valve and carrys out water control valve; The overhead control purge gas movable valve water inlet end of sewage water filtration assembly (3) is communicated with by the recoil back flush flowing water Valve of cleaning of evaporator (2) of pipeline and gasbag-type, and the overhead control purge gas movable valve water side of sewage water filtration assembly (3) is communicated with the back flush water inlet end of low pressure hay tank (3-2) with the back flush water inlet end of high-pressure filteration tank (3-1) with low-pressure side operated pneumatic valve respectively by high-pressure side operated pneumatic valve; The water inlet end of the water circulating pump (3-3) of sewage water filtration assembly (3) is communicated with water reserve tank (4) by pipeline, and the water side of the water circulating pump (3-3) of sewage water filtration assembly (3) is carried out water end (W.E.) respectively and carried out water end (W.E.) with the filtration of low pressure hay tank (3-2) by carrying out water control valve and be communicated with the filtration of high-pressure filteration tank (3-1); After the filtration of high-pressure filteration tank (3-1) water side and low pressure hay tank (3-2) filtration after water side discharged by outlet pipeline (A) after filtering, the blowdown end of high-pressure filteration tank (3-1) and the blowdown end of low pressure hay tank (3-2) are discharged by blowoff line (B); Described gasbag-type recoil cleaning of evaporator (2) comprises back flush air pressure link (2-1), closed shell (2-2), piston type chassis (2-3), scalable air bag (2-4), back flush water cavity (2-5), back flush for water end (W.E.) (2-6) and back flush water side (2-7); Described scalable air bag (2-4) is communicated with back flush pneumatic circuit (D) by back flush air pressure link (2-1); Described scalable air bag (2-4) and piston type chassis (2-3) are sealedly and fixedly connected, and are sealed and matched between described piston type chassis (2-3) and closed shell (2-2); Described back flush supply channel (C) is communicated with back flush water cavity (2-5) for water end (W.E.) (2-6) by back flush, and back flush water cavity (2-5) is communicated with the overhead control purge gas movable valve of sewage water filtration assembly (3) by back flush water side (2-7); The control signal input end of each control signal output terminal of described embedded controller (1) corresponding operated pneumatic valve respectively, analog input end and the On-off signal end of described embedded controller (1) are connected analog output end in sewage disposal system and output switch parameter end respectively; The sensor signal input end of described embedded controller (1) connects the analog sensor signal output part in sewage disposal system.
2. the sewage disposal system of employing embedded control system according to claim 1, is characterized in that embedded controller (1) comprises embedded type CPU (1-1), sensor unit (1-2), analog input unit (1-3), On-off signal unit (1-4), switch amount output unit (1-5), linear signal output unit (1-6), ipc monitor unit (1-7), display unit (1-8) and alarm unit (1-9); The analog signals input end of described embedded type CPU (1-1) is connected with the on-off model output terminal of On-off signal unit (1-4) with the analog signals output terminal of analog input unit (1-3) respectively with on-off model input end; The linear signal output terminal of described embedded type CPU (1-1) is connected with the on-off model input end of switch amount output unit (1-5) with the linear signal input end of linear signal output unit (1-6) respectively with on-off model output terminal; The sensor signal input end of described embedded type CPU (1-1) is connected with the sensor signal output terminal of sensor unit (1-2); The display output terminal of described embedded type CPU (1-1) is connected with the alerting signal input end of alarm unit (1-9) with the display input end of display unit (1-8) respectively with alarm signal output ends; The upper machine communication signal I/O of described embedded type CPU (1-1) is connected with the upper machine communication signal input output end of ipc monitor unit (1-7).
3. the sewage disposal system of employing embedded control system according to claim 2, is characterized in that analog input unit (1-3) comprises the first chip (U1) and the first diode (D1) to the 8th diode (D8); Described first chip (U1) adopts the model of Texas Instrument to be CD4051 chip, the pin VEE ground connection of the first chip (U1), the negative electrode of the first diode (D1) is connected with ground wire with the negative electrode of the second diode (D2), the negative electrode of the 3rd diode (D3), the negative electrode of the 4th diode (D4), the negative electrode of the 5th diode (D5), the negative electrode of the 6th diode (D6), the negative electrode of the 7th diode (D7), the negative electrode of the 8th diode (D8) simultaneously; The pin X7 to pin X0 of the first chip (U1) is connected with the anode of the first diode (D1) anode to the 8th diode (D8) respectively accordingly.
4. the sewage disposal system of employing embedded control system according to claim 2, is characterized in that On-off signal unit (1-4) comprises the second chip (U2), the 3rd chip (U3) and the first resistance (R1); Second chip (U2) adopts the model of Sharp Corp to be the chip of PC817, and the 3rd chip (U3) adopts the model of Texas Instrument to be the chip of 74HC245; One end of first resistance (R1) is connected with power supply VCC, the other end of the first resistance (R1) is connected with the positive input of the second chip (U2), first output terminal of the second chip (U2) is connected with power vd D, and the second output terminal of the second chip (U2) is connected with the pin B0 of the 3rd chip (U3).
5. the sewage disposal system of employing embedded control system according to claim 2, is characterized in that linear signal output unit (1-6) comprises the 4th chip (U4), the second resistance (R2) to the 5th resistance (R5), the first electric capacity (C1) and the second electric capacity (C2), described 4th chip (U4) adopts model to be the chip of AD694JN, the pin VS of described 4th chip (U4) is connected with power supply+24V, the pin FORCE of the 4th chip (U4) is connected with the pin SENSE of the 4th chip (U4), the pin FB of the 4th chip (U4) is connected with one end of the second resistance (R2), the other end of the second resistance (R2) is connected with the pin-SIG of the 4th chip (U4) with one end of the 3rd resistance (R3) simultaneously, the other end ground connection of the 3rd resistance (R3), pin+the SIG of the 4th chip (U4) is connected with one end of the 4th resistance (R4) with one end of the first electric capacity (C1) simultaneously, the other end ground connection of the first electric capacity (C1), the other end of the 4th resistance (R4) is connected with one end of the second electric capacity (C2) with one end of the 5th resistance (R5) simultaneously, the other end ground connection of the second electric capacity (C2), the other end of the 5th resistance (R5) is the linear signal output terminal of linear signal output unit (1-6).
6. the sewage disposal system of employing embedded control system according to claim 2, is characterized in that switch amount output unit (1-5) comprises the 5th chip (U5), the 6th chip (U6), the 6th resistance (R6) and the 7th resistance (R7); 5th chip (U5) adopts the model of Texas Instrument to be the chip of 74HC573, and the 6th chip (U6) adopts model to be the chip of PC817; One end of described 6th resistance (R6) is connected with power vd D, the other end of the 6th resistance (R6) is connected with the positive input of the 6th chip (U6), second output head grounding of the 6th chip (U6), first output terminal of the 6th chip (U6) is connected with one end of the 7th resistance (R7) with the pin one Q of the 5th chip (U5) simultaneously, and the other end of the 7th resistance (R7) is connected with power supply VCC.
7. the sewage disposal system of employing embedded control system according to claim 2, is characterized in that sensor unit (1-2) comprises the 7th chip (U7), the first triode (Q1), the 9th diode (D9), the 8th resistance (R8) to the tenth resistance (R10), the 3rd electric capacity (C3) and the 5th electric capacity (C5); 7th chip (U7) adopts model to be the chip of KA555, the collector of the first triode (Q1) is connected with power supply VCC with the anode of the 9th diode (D9) simultaneously, the negative electrode of the 9th diode (D9) is connected with one end of the 8th resistance (R8), the other end of the 8th resistance (R8) is connected with ground wire with one end of the 9th resistance (R9) simultaneously, the other end of the 9th resistance (R9) is connected with one end of the 3rd electric capacity (C3) with the emitter of the first triode (Q1) simultaneously, the other end of the 3rd electric capacity (C3) is connected with the pin TRIG of the 7th chip (U7), the pin DIS of the 7th chip (U7) simultaneously with the pin THR of the 7th chip (U7), one end of 5th electric capacity (C5) is connected with one end of the tenth resistance (R10), the other end of the tenth resistance (R10) is connected with power supply VCC with the pin VCC of the 7th chip (U7) simultaneously, the pin R of the 7th chip (U7) is connected with power supply VCC by not gate, the other end of the 5th electric capacity (C5) simultaneously with the pin GND of the 7th chip (U7), one end of 4th electric capacity (C4) is connected with ground wire, the other end of the 4th electric capacity (C4) is connected with the pin CVolt of the 7th chip (U7).
8. the sewage disposal system of employing embedded control system according to claim 2, is characterized in that alarm unit (1-9) comprises the 8th chip (U8), the second triode (Q2), the 11 resistance (R11), the 12 resistance (R12) and the 9th chip (U9), 8th chip (U8) adopts model to be the chip of AP18108, 9th chip (U9) adopts model to be the chip of DCTT, the emitter of the second triode (Q2) simultaneously with power supply ground, one end of 11 resistance (R11) is connected with the pin GND of the 8th chip (U8), the other end of the 11 resistance (R11) is connected with the pin OUT3 of the 8th chip (U8) with the base stage of the second triode (Q2) simultaneously, the collector of the second triode (Q2) is connected with one end of the 9th chip (U9), the other end of the 9th chip (U9) simultaneously with one end of the 12 resistance (R12), the pin VCC of the 8th chip (U8) is connected with power supply VCC, the other end of the 12 resistance (R12) is connected with the pin OSC of the 8th chip (U8).
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