CN102626572A - Integrated water purifier with intelligent control of programmable logic controller (PLC) - Google Patents

Abstract

The invention discloses an integrated water purifier with intelligent control of a programmable logic controller (PLC) and belongs to a sewage treatment PLC control system device. The integrated water purifier with the intelligent control of the PLC consists of a sewage pool, a sewage pump, a drug combination and addition system, the integrated water purifier, a clean water pool, a diaphragm electro connecting pressure gauge, a PLC control cabinet, an electric butterfly valve, an electric mud valve, a sewage pool and clean water pool liquid level sensor and related connecting cables. According to the integrated water purifier with the intelligent control of the PLC, the operation of the integrated water purifier is controlled by adopting the PLC to realize liquid level control and interlocking between a water pump and a metering pump; full-automatic operation is performed on the back washing and mud discharge of the integrated water purifier; a user can simply and visually monitor the operation of the whole integrated water purifier system and related equipment of the whole integrated water purifier system by adopting a touch screen in the integrated water purifier, and thereby, the time parameters of the back washing and the mud discharge can be conveniently modified on line. By adopting the integrated water purifier with the intelligent control of the PLC, the full-automatic operation of the equipment can be ensured, the drug consumption is reduced, the water quality is improved, and the operation cost is saved.

Description

A kind of integral water purifier with the PLC Based Intelligent Control

Technical field

The present invention relates to water purifier, particularly a kind of integral water purifier with the PLC Based Intelligent Control.

Background technology

A kind of filter tank form that siphon filter is extensively adopted by integral water purifier, water purifier because flco is constantly held back in filtering layer, increase the filter tank loss of flood peak when operation.When reaching the loss of flood peak value of design code, backwash is carried out in the filter tank, removes to be trapped in the impurity in the filtrate; Make it recover water purification function; Keep normal operation, its automatic control mode is controlled to be the master with waterpower traditionally, and part comes with some shortcomings in actual motion; General dependence manually-operated is produced; The time of the normal filtration time in filter tank and each link of filter back washing all will rely on site operation personnel's experience to regulate with strong and weak, owing to the influence that receives various complicated factors such as peopleware and experience, environment temperature, source water quality variation, is difficult to make effluent water quality steady in a long-term.Automation control is particularly important for integral water purifier effluent quality quality, adopts Programmable Logic Controller to control, and can shorten the design cycle; And be convenient to Installation and Debugging, and can change some technological parameter and sequence of movement at the scene, increase the control function of system; And replacement conventional means of relay control; Make the equipment operation more steadily, reliably, reduce the medicine consumption, improve automatic management level.

Summary of the invention

The object of the present invention is to provide a kind of integral water purifier with the PLC Based Intelligent Control; Utilization of the present invention is to the structure of integral water purifier and the complexity of operation thereof; Proposed the intelligent automatic control system of a cover based on PLC and touch screen, this system is simple and reliable, and is stable; Can effectively improve the effluent quality of integral water purifier, have application promise in clinical practice.

The present invention is made up of following technical scheme: a kind of integral water purifier with the PLC Based Intelligent Control, and by cesspool, sewage pump; Medicament mixes and dosing system, integral water purifier, clear water reserviors; The barrier film electro connecting pressure gauge, liquid level sensor, PLC switch board; Electric butterfly valve; Electronic mud valve and stube cable are formed, and it is characterized in that: the PLC switch board is connected with integral water purifier, sewage pump, cesspool liquid level sensor, clear water reserviors liquid level sensor, PAC mixer, PAC measuring pump, PAM mixer, PAM measuring pump, barrier film electro connecting pressure gauge, backwash electric butterfly valve and electronic mud valve through stube cable, on the PLC switch board touch-screen is housed; The PAC medicament through PAC mixer and water after the PAC dispensing kit mixes; Squeeze into the PAC pipe-line mixer by the PAC measuring pump and mix with sewage, same PAM medicament, is squeezed into the PAM pipe-line mixer by the PAM measuring pump and is mixed with sewage after the PAM dispensing kit mixes through PAM mixer and water; The sewage of water treatment system is squeezed into the integral water purifier processing by sewage pump through water inlet pipe after flowing into cesspool, handles qualified water and gets into the clear water reserviors storage through outlet pipe.

Integral water purifier is one type of ultra's treatment facility that pipeline mixing, cyclone reaction, suspension clarification, tube settling, light filter material or heavy media filtration are organically combined, and integral water purifier is installed on the water purifier basis, and the sludge blanket clarifier assembly is welded on the central part on the water purifier base plate; Its underpart central cylinder radial aperture links to each other with water inlet pipe; Be welded with annular discharge pipeline on the outer water purifier base plate of central cylinder, filtered water tank assembly and filtering ponds assembly are installed between sludge blanket clarifier assembly and the water purifier cylindrical shell, backwash tube and back flush valves are housed at integral water purifier filtering ponds assembly top; The inclined tube carriage is installed in sludge blanket clarifier assembly top; With the welding of water purifier cylindrical shell, be covered with inclined tube on it, filter head plate is installed in the water purifier top; Filter is housed on the filter head plate; Adorn inclined tube on the filter head plate, the outlet pipe of water purifier is drawn from the top of annular filtered water tank assembly, and the winding stair aisle is installed in a side of integral water purifier.

 

Compare with prior art; The present invention adopts the operation of PLC control integral water purifier; The control of realization liquid level; Water pump and measuring pump interlocking, the backwash of integral water purifier and spoil disposal fully automatic operation, in integral water purifier, adopt touch-screen can make user's simple, intuitive monitor whole integral water purifier system and with the operation of its associated device; The time parameter of online modification backwash easily and spoil disposal, PLC and touch-screen can dispose the product of different manufacturers model specification according to customer requirements in addition.The present invention can guarantee the equipment fully automatic operation, reduces the medicine consumption, improves effluent quality, practices thrift operating cost.

Description of drawings

Accompanying drawing is a structural representation of the present invention.

1. sewage among the figure, 2. cesspool, 3. cesspool liquid level sensor, 4. sewage pump, 5.PAC mixer; 6.PAC measuring pump, 7.PAC pipe-line mixer, 8.PAM mixer, 9.PAM measuring pump, 10.PAM pipe-line mixer; 11. the barrier film electro connecting pressure gauge, 12. backwash electric butterfly valves, 13. water inlet pipes, 14. integral water purifiers; 15. integral water purifier filtering ponds assembly, 16. electronic mud valves, 17. outlet pipes, 18. clear water reserviors liquid level sensors; 19. clear water reserviors, 20. inclined tubes, 21.PLC switch board, 22. touch-screens.

The specific embodiment

As shown in the figure, a kind of integral water purifier with the PLC Based Intelligent Control is by cesspool; Sewage pump, medicament mixes and dosing system, integral water purifier; Clear water reserviors, barrier film electro connecting pressure gauge, liquid level sensor; The PLC switch board, electric butterfly valve, electronic mud valve and stube cable are formed; It is characterized in that: PLC switch board 21 is connected with integral water purifier 14, sewage pump 4, cesspool liquid level sensor 3, clear water reserviorsliquid level sensor 18, PAC mixer 5, PAC measuring pump 6, PAM mixer 8, PAM measuring pump 9, barrier film electro connecting pressure gauge 11, backwash electric butterfly valve 12 and electronic mud valve 16 through stube cable; Touch-screen 22 is housed on the PLC switch board 21, and the PAC medicament, is squeezed into PAC pipe-line mixer 7 by PAC measuring pump 6 and is mixed with sewage after the PAC dispensing kit mixes through PAC mixer 5 and water; Same PAM medicament, is squeezed into PAM pipe-line mixer 10 by PAM measuring pump 9 and is mixed with sewage after the PAM dispensing kit mixes through PAM mixer 8 and water; The sewage 1 of water treatment system flows into cesspool 2 backs and squeezes into integral water purifier 14 processing by sewage pump 4 through water inlet pipe 13, handles qualified water and stores through outlet pipe 17 entering clear water reserviors 19.

Integral water purifier 14 is one type of ultra's treatment facility that pipeline mixing, cyclone reaction, suspension clarification, tube settling, light filter material or heavy media filtration are organically combined, and integral water purifier 14 is installed on the water purifier basis, and the sludge blanket clarifier assembly is welded on the central part on the water purifier base plate; Its underpart central cylinder radial aperture links to each other with water inlet pipe 13; Be welded with annular discharge pipeline on the outer water purifier base plate of central cylinder, filtered water tank assembly and filtering ponds assembly are installed between sludge blanket clarifier assembly and the water purifier cylindrical shell, backwash tube and back flush valves are housed at integral water purifier filtering ponds assembly 15 tops; The inclined tube carriage is installed in sludge blanket clarifier assembly top; With the welding of water purifier cylindrical shell, be covered with inclined tube 20 on it, filter head plate is installed in the water purifier top; Filter is housed on the filter head plate; Adorn inclined tube on the filter head plate, the outlet pipe of water purifier is drawn from the top of annular filtered water tank assembly, and the winding stair aisle is installed in a side of integral water purifier.

1, the course of work of integral water purifier

Sewage disposal system is by cesspool, sewage pump, integral water purifier, PAC mixer, PAC measuring pump, PAM mixer, PAM measuring pump, formations such as clear water reserviors.Sewage is squeezed into the integral water purifier processing by sewage pump after flowing into cesspool; Add PAC and PAM medicament simultaneously; Integral water purifier is handled qualified clear water from flowing into clear water reserviors; Squeeze into feedwater piping by clarified water pump at last, cesspool and clear water reserviors are equipped with liquid level sensor in addition, so that realize the operation automatically of water level interlocking; Through being set, the barrier film electro connecting pressure gauge accomplishes the loss of flood peak signals collecting in filter tank on backwash tube, with the control backwash.

Behind the integral water purifier long-play, along with the growth of filtration time, the resistance in the filtering layer increases gradually, whenever carries out backwash once at a distance from 0.5 ~ 12 hour generally speaking, to guarantee the cleaning of filter material layer, guarantees the normal operation of equipment.

Time control and the control of filtration resistance pressure are arranged in backwash, and PLC adopts intelligent algorithm to calculate backwashing period.Backwash begins, and puts the water motor-driven valve earlier into, treats that into the water motor-driven valve cuts out fully; Open backwash water outlet motor-driven valve, treat that filtrate drops to predetermined altitude, open backwash water inlet motor-driven valve and carry out hydrodynamic cleaning; Behind the hydrodynamic cleaning 1～10 minute, close backwash water inlet motor-driven valve and backwash water outlet motor-driven valve, finish this flushing; And then drive backwash water outlet motor-driven valve and wash next time; General automatic the circulation repeatedly 4 times finished this separated filter back washing of epicycle, and the timing of next round backwashing period begins.

The spoil disposal of integral water purifier is accomplished by electronic mud valve, adopts regularly spoil disposal, flushing cycle be provided with 2～24 hours adjustable, the spoil disposal time be set to 1～5 minute adjustable.

 

2, the function of integral water purifier PLC intelligence control system realization

(1) integral water purifier processing technological flow figure dynamically shows

Can on touch-screen, show integral water purifier, water inlet, water outlet and a complete set of water purification treatment technology flow processs such as medicament mixing and dosing system with dynamic color figure, lines.

(2) monitor in real time and show relevant image data

Through increasing in-line meters such as PLC expansion module and turbidity, liquid level, flow, pH, can monitor in real time and show relevant image data at touch-screen, participate in the relevant device interlocked control simultaneously, like low liquid level termination of pumping, report to the police etc.

(3) Equipment Control and parameter are set

Can realize the touch-screen operated from a distance of each equipment down and move automatically at collection control state, but also active and standby switching time of on-line setup pump, sludge discharging period and time, backwashing period, time and number of times; Can accomplish simultaneously the running status and the indicating fault of each controlled device.

(4) data query and processing

Can regularly preserve inquiry real-time tendency and historical trend, management functions such as the class's of generation form and daily sheet automatically as requested to the data of gathering.

Claims (2)

1. , a kind of integral water purifier with the PLC Based Intelligent Control, by cesspool, sewage pump; Medicament mixes and dosing system; Integral water purifier, clear water reserviors, barrier film electro connecting pressure gauge; Liquid level sensor; The PLC switch board, electric butterfly valve, electronic mud valve and stube cable are formed; It is characterized in that: PLC switch board (21) is connected with integral water purifier (14), sewage pump (4), cesspool liquid level sensor (3), clear water reserviors liquid level sensor (18), PAC mixer (5), PAC measuring pump (6), PAM mixer (8), PAM measuring pump (9), barrier film electro connecting pressure gauge (11), backwash electric butterfly valve (12) and electronic mud valve (16) through stube cable; Touch-screen (22) is housed on the PLC switch board (21), and the PAC medicament, is squeezed into PAC pipe-line mixer (7) by PAC measuring pump (6) and is mixed with sewage after the PAC dispensing kit mixes through PAC mixer (5) and water; Same PAM medicament, is squeezed into PAM pipe-line mixer (10) by PAM measuring pump (9) and is mixed with sewage after the PAM dispensing kit mixes through PAM mixer (8) and water; The sewage of water treatment system (1) flows into cesspool (2) back and squeezes into integral water purifier (14) processing by sewage pump (4) through water inlet pipe (13), handles qualified water and stores through outlet pipe (17) entering clear water reserviors (19).
2. 2. a kind of integral water purifier as claimed in claim 1 with the PLC Based Intelligent Control; It is characterized in that: integral water purifier (14) is one type of ultra's treatment facility that pipeline mixing, cyclone reaction, suspension clarification, tube settling, light filter material or heavy media filtration are organically combined, and integral water purifier (14) is installed on the water purifier basis, and the sludge blanket clarifier assembly is welded on the central part on the water purifier base plate; Its underpart central cylinder radial aperture links to each other with water inlet pipe (13); Be welded with annular discharge pipeline on the outer water purifier base plate of central cylinder, filtered water tank assembly and filtering ponds assembly are installed between sludge blanket clarifier assembly and the water purifier cylindrical shell, backwash tube and back flush valves are housed at integral water purifier filtering ponds assembly (15) top; The inclined tube carriage is installed in sludge blanket clarifier assembly top; With the welding of water purifier cylindrical shell, be covered with inclined tube (20) on it, filter head plate is installed in the water purifier top; Filter is housed on the filter head plate; Adorn inclined tube on the filter head plate, the outlet pipe of water purifier is drawn from the top of annular filtered water tank assembly, and the winding stair aisle is installed in a side of integral water purifier.

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