CN104014248A - Hyperfiltration backwashing system - Google Patents
Hyperfiltration backwashing system Download PDFInfo
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- CN104014248A CN104014248A CN201410263352.6A CN201410263352A CN104014248A CN 104014248 A CN104014248 A CN 104014248A CN 201410263352 A CN201410263352 A CN 201410263352A CN 104014248 A CN104014248 A CN 104014248A
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Abstract
The invention relates to a hyperfiltration backwashing system. The hyperfiltration backwashing system is characterized in that a backwashing system of a hyperfiltration backwashing water tank, a backwashing pump I and a backwashing pump II is provided with a medicine measuring box, a measuring pump I and a measuring pump II, the medicine measuring box is provided with a measuring pump liquid outlet valve and a pipeline filter which are sequentially connected with each other, the pipeline filter is connected with a measuring pump liquid inlet valve I and a measuring pump liquid inlet valve II which are connected with each other in parallel; the measuring pump liquid inlet valve I is connected with the measuring pump I, the measuring pump II and a fifth connecting pipe which are sequentially connected with one another; the measuring pump liquid inlet valve II is sequentially connected with the measuring pump II, the measuring pump liquid outlet valve II and a third connecting pipe; the third connecting pipe is connected with the fifth connecting pipe, the other end of the fifth connecting pipe is connected with an inlet of a decompression valve, an outlet of the decompression valve is connected to the medicine measuring box through a fourth connecting pipe, the other end of the first connecting pipe is connected with a connecting pipe of the medicine box system, and the medicine system connecting pipe is connected to a hyperfiltration backwashing main pipe through a stop valve. By adopting the hyperfiltration backwashing system, the continuity in running of the backwashing pump is realized, the backwashing effect is improved, and the stability in running is realized.
Description
Technical field
The present invention relates to a kind of hyperfiltration reverse-rinsing system.
Background technology
In recent years, the development of hyperfiltration technique is very rapid, not only aspect special solution separated, has original effect, and also uses more and morely aspect industrial water supply.Can hold back macromolecular substances and the impurity of diameter more than 0.02-0.1 micron.Milipore filter allows passing through of small-molecule substance and soluble solid (inorganic salts) etc., will hold back lower colloid, protein simultaneously, microorganism and larger molecular organics, the molecular weight cut off scope that is used for representing milipore filter pore size is generally at 1,000-500, between 000.Be used in early days industrial ultrafiltration and be applied to black water processing.Development along with hyperfiltration technique, nowadays hyperfiltration technique has related to the various fields such as food processing, beverage industry, medical industry, dyeing waste water, food industrial wastewater processing, resource recovery, environmental project, in existing practical application, ultrafiltration, mainly as pre-processing device, is guaranteed the long-term safety stable operation of the follow-up equipments such as counter-infiltration.
In ultrafiltration day-to-day operation, the various objectionable impurities that film surface can be held back by it covers and forms cake layer, even fenestra also can be stopped up by more tiny impurity, the permeable membrane pressure of water is increased, production declining, therefore need carry out frequent backwash (30-60 minute 1 time) to milipore filter, backwash water transfers to influent side from the product water side of hollow fiber film thread the water waiting or be better than producing water quality, contrary with the water (flow) direction of filter process.Water is from seeing through hollow fiber film thread in the other direction, thereby relax and washed away the pollutant that film outer surface forms in filter process, improve the operational efficiency of ultrafiltration, but in reusing sewage, single backwash water, cleaning performance is poor, ultrafiltration is backwash frequently, causes water pump frequent starting, and in the system of large-scale ultrafiltration, (more than 6 covers) about 2-5 of backwash water pump minute opens 1 time (open after about 1-2 minute and stop), water pump fault rate is high, affects the stability of system.
Existing backwashing system adopts the product water tank of ultrafiltration, and backwash water pump is set separately, adopts backwash technology frequently, and the backwash cycle, generally at 30-60 minute, causes water pump frequent starting, and water pump fault rate is high, affects the stability of system.Simultaneously for saving floor occupying area, investment, operation energy consumption, the application of two Membrane Separation for Water Treatments of no ultrafiltration products water tank.
Summary of the invention
In order to overcome the above-mentioned deficiency of existing hyperfiltration reverse-rinsing system, the invention provides a kind of backwashing pump of realizing and move continuously, avoid the water pump hyperfiltration reverse-rinsing system of start and stop to the damage of equipment, raising backwash effect and stable operation frequently.
This hyperfiltration reverse-rinsing system comprises hyperfiltration reverse-rinsing water tank, backwashing pump and No. two backwashing pumps and set up parts, backwash water filling pipe is connected logical with the top, side that the hyperfiltration reverse-rinsing water tank of pressure-type liquidometer and overfall is installed, the bottom of hyperfiltration reverse-rinsing water tank is connecting discharge valve of cistern for water-closet, the other end of discharge valve of cistern for water-closet is connecting water inlet pipe No. two, on No. two water inlet pipes, connecting No. one water inlet pipe, the other end of a water inlet pipe is connecting backwashing pump water intaking valve No. one, No. one backwash water intaking valve is connected logical with the water inlet of a backwashing pump, the delivery port of a backwashing pump is connected with a check-valves through the first tube connector, No. one check-valves is connecting backwashing pump outlet valve No. one, No. one backwashing pump outlet valve is connected logical with a backwashing pump outlet pipe with the female pipe of hyperfiltration reverse-rinsing, at the female pipe of hyperfiltration reverse-rinsing, flowmeter is installed, on the first tube connector, by three-way pipe, with a pressure gauge valve, connecting Pressure gauge No. one,
The other end of No. two water inlet pipes is connecting backwashing pump water intaking valve No. two, No. two backwash water intaking valve is connected logical with the water inlet of No. two backwashing pumps, the delivery port of No. two backwashing pumps is connected with No. two check-valves through the second tube connector, No. two check-valves is connecting backwashing pump outlet valve No. two, No. two backwashing pump outlet valve is connected with a backwashing pump outlet pipe by three-way pipe with No. two backwashing pump outlet pipes, on the second tube connector, by three-way pipe, with No. two pressure gauge valves, is connecting Pressure gauge No. two;
On a backwashing pump outlet pipe, with three-way pipe, connecting return duct, distance between return duct and backwashing pump outlet pipe link position to backwashing pump outlet valve, be greater than the distance between No. two backwashing pump outlet pipes and backwashing pump outlet pipe link position to backwashing pump outlet valve, the other end of return duct is connected to the top of the side of hyperfiltration reverse-rinsing case with backflow pneumatic operated valve; It is characterized in that:
Described backwash water filling pipe and hyperfiltration reverse-rinsing water tank are that the moisturizing hand-operated valve through being connected is successively connected with moisturizing pneumatic operated valve, backwash water filling pipe is connecting moisturizing hand-operated valve, the other end of moisturizing hand-operated valve is connected with moisturizing pneumatic operated valve, and the other end of moisturizing pneumatic operated valve is connected with top, hyperfiltration reverse-rinsing water tank side.Top, side at hyperfiltration reverse-rinsing water tank is also installed with overflow pipe, and the other end of overflow pipe reaches trench, in the bottom of hyperfiltration reverse-rinsing water tank, exhaust-valve is also installed, and the water pipe that the other end of exhaust-valve connects is facing to trench; Drug metering case, measuring pump and No. two measuring pumps are also installed and set up parts, drug metering case is installed with magnetic flap level gauge with liquid level gauge tube connector, in bottom, drug metering case side, drainpipe is installed, draining valve is installed on drainpipe, the delivery port of drainpipe reaches trench; The lower side of drug metering case is installed with measuring pump liquid valve, the other end of metering liquid valve is connecting piping filter, the other end of piping filter is connecting the 6th tube connector, is connecting a measuring pump liquid feed valve and No. two measuring pump liquid feed valves on the 6th tube connector; No. one measuring pump liquid feed valve is connecting measuring pump No. one, and No. one measuring pump is connecting measuring pump liquid valve No. one, and the other end of a measuring pump liquid valve is connecting the 5th tube connector; No. two measuring pump liquid feed valve is connecting measuring pump No. two, and No. two measuring pump is connecting measuring pump liquid valve No. two, and the other end of No. two measuring pump liquid valves is connected to the 3rd tube connector by three-way pipe; One end of the 3rd tube connector is connected to the 5th tube connector by three-way pipe, and the other end of the 5th tube connector is connecting the import of pressure-reducing valve, and the outlet of pressure-reducing valve is connecting the 4th tube connector, and the other end of the 4th tube connector is connected to the top of drug metering case; Chemicals dosing plant main water outlet pipe Pressure gauge is connected to the first tube connector through chemical tank pressure gauge valve with three-way pipe, the other end of the first tube connector is connected with one end of medicine-chest system tube connector, the other end of medicine-chest system tube connector is connecting check-valves, and the other end of check-valves is connected to the female pipe of hyperfiltration reverse-rinsing with three-way pipe.
Above-mentioned hyperfiltration reverse-rinsing system, is characterized in that: backwash water filling pipe, the female pipe of hyperfiltration reverse-rinsing, backwashing pump outlet pipe, the first tube connector, a water inlet pipe, No. two backwashing pump outlet pipes, the second tube connector and No. two water inlet pipes all adopt 316L stainless steel tube.
Above-mentioned hyperfiltration reverse-rinsing system, is characterized in that: the 3rd tube connector, the 4th tube connector, the 5th tube connector and the 6th tube connector are all managed with UPVC.
Above-mentioned hyperfiltration reverse-rinsing system, is characterized in that: hyperfiltration reverse-rinsing water tank adopts carbon steel fiberglass.
This hyperfiltration reverse-rinsing system, as configuration PCL, can realize automatic control.
beneficial effect of the present invention
The present invention is a kind of free-standing hyperfiltration reverse-rinsing system, be provided with independently hyperfiltration reverse-rinsing water tank, backwash water pump, realizes backwash water pump and moves continuously, avoid backwash water pump frequently start and stop to the damage of equipment, improve backwash effect, guarantee the safe and stable operation of ultrafiltration system.System run all right, backwash is effective, extends the hyperfiltration reverse-rinsing cycle to 72 minute, has improved the production capacity of ultrafiltration
This invention is applied to ultrafiltration product water and directly enters in the double-membrane method water treatment system of counter-infiltration, also can be used in conventional ultrafiltration system, applicant's energy source and power head factory adopts ultrafiltration product water directly to enter the double-membrane method water treatment system of counter-infiltration, stable, backwash is effective, extends the hyperfiltration reverse-rinsing cycle to 72 minute.
Accompanying drawing explanation
The hyperfiltration reverse-rinsing water tank of this hyperfiltration reverse-rinsing system embodiment of Fig. 1 and the connection diagram of backwash water pump.
Fig. 2 is the backwash chemicals dosing plant schematic diagram of this hyperfiltration reverse-rinsing system embodiment.
In above-mentioned Fig. 1
1. backwash water filling pipe, 2. pressure-type liquidometer, 3. hyperfiltration reverse-rinsing water tank, 4. overfall, 5. flowmeter, 6. hyperfiltration reverse-rinsing is female manages, 7. return duct, 8. backflow pneumatic operated valve, 9. a Pressure gauge, 10. a pressure gauge valve, No. 11. backwashing pump outlet pipes, No. 12. backwashing pump outlet valves, No. 13. check-valves, 14. first tube connectors, No. 15. backwashing pumps, No. 16. backwashing pump water intaking valves, 17. No. two Pressure gauges, 18. No. two Pressure gauge control valves, No. 19. water inlet pipes, 20. discharge valve of cistern for water-closets, 21. No. two backwashing pump outlet pipes, 22. No. two backwashing pump outlet valves, 23. No. two check-valves, 24. second tube connectors, 25. No. two backwashing pumps, 26. No. two backwashing pump water intaking valves, 27. No. two water inlet pipes, 28. moisturizing hand-operated valves, 29. moisturizing pneumatic operated valves, 30. overflow pipes, 31. exhaust-valves, 32. trenches, 33. check-valves, 34. medicine-chest system tube connectors,
In above-mentioned Fig. 2
35. chemicals dosing plant main water outlet pipe Pressure gauges, 36. chemical tank pressure gauge valves, 37. the 3rd tube connectors, 38. pressure-reducing valves, 39. the 4th tube connectors, 40. drug metering casees, 41. the 5th tube connectors, 42. No. two measuring pump liquid valves, 43. No. two measuring pumps, 44. No. two measuring pump liquid feed valves, No. 45. measuring pump liquid valves, No. 46. measuring pumps, No. 47. measuring pump liquid feed valves, 48. the 6th tube connectors, 49. piping filters, 50. measuring pump liquid valves, 51. magnetic flap level gauges, 52. liquid level gauge tube connectors, 53. drainpipes, 54. draining valves.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof, describe the specific embodiment of the present invention in detail, but the specific embodiment of the present invention is not limited to following embodiment.
Embodiment
Fig. 1 and Fig. 2 are (in order to describe clear, same hyperfiltration reverse-rinsing system is divided into two figure to be described) the common hyperfiltration reverse-rinsing system of describing comprises hyperfiltration reverse-rinsing water tank 3, backwashing pump 15 and No. two backwashing pumps 25 and set up parts, backwash water filling pipe 1 is connected logical with the top, side that the hyperfiltration reverse-rinsing water tank 3 of pressure-type liquidometer 2 and overfall 4 is installed, the bottom of hyperfiltration reverse-rinsing water tank 3 is connecting discharge valve of cistern for water-closet 20, the other end of discharge valve of cistern for water-closet 20 is connecting water inlet pipe 27 No. two, on No. two water inlet pipes 27, (through three-way pipe) also connecting water inlet pipe 19 No. one, the other end of a water inlet pipe 19 is connecting backwashing pump water intaking valve 16 No. one, No. one backwash water intaking valve 16 is connected logical with the water inlet of a backwashing pump 15, the delivery port of a backwashing pump 15 is connected with a check-valves 13 through the first tube connector 14, No. one check-valves 13 is connecting backwashing pump outlet valve 12 No. one, backwashing pump outlet pipe 11 of backwashing pump outlet valve 12 use is connected logical with the female pipe 6 of hyperfiltration reverse-rinsing, at the female pipe 6 of hyperfiltration reverse-rinsing, flowmeter 5 is installed, on the first tube connector 14, by three-way pipe (not marking sequence number), with a pressure gauge valve 10, connecting Pressure gauge 9 No. one,
The other end of No. two water inlet pipes 27 is connecting backwashing pump water intaking valve 26 No. two, No. two backwash water intaking valve 26 is connected logical with the water inlet of No. two backwashing pumps 25, the delivery port of No. two backwashing pumps 25 is connected with No. two check-valves 23 through the second tube connector 24, No. two check-valves 23 is connecting backwashing pump outlet valve 22 No. two, No. two backwashing pump outlet pipes 21 of No. two backwashing pump outlet valve 22 use are connected with a backwashing pump outlet pipe 11 by three-way pipe (not marking sequence number in figure), on the second tube connector 24, by three-way pipe (not marking sequence number), with No. two pressure gauge valves 18, are connecting Pressure gauge 17 No. two;
On a backwashing pump outlet pipe 11, also use three-way pipe (not marking sequence number) connecting return duct 7, distance between return duct 7 and backwashing pump outlet pipe 11 link position to backwashing pump outlet valves 12, be greater than the distance between No. two backwashing pump outlet pipes 21 and backwashing pump outlet pipe 11 link position to backwashing pump outlet valves 12, the other end of return duct 7 is connected to the top of the side of hyperfiltration reverse-rinsing case 3 with backflow pneumatic operated valve 8;
The present embodiment with the feature that above-mentioned existing hyperfiltration reverse-rinsing system is compared is;
Described backwash water filling pipe 1 and hyperfiltration reverse-rinsing water tank 3 are that the moisturizing hand-operated valve 28 through being connected is successively connected with moisturizing pneumatic operated valve 29, backwash water filling pipe 1 is connecting moisturizing hand-operated valve 28, the other end of moisturizing hand-operated valve 28 is connected with moisturizing pneumatic operated valve 29, and the other end of moisturizing pneumatic operated valve 29 is connected with hyperfiltration reverse-rinsing water tank 3 tops, side.Top, side at hyperfiltration reverse-rinsing water tank 3 is also installed with overflow pipe 30, the other end of overflow pipe 30 reaches trench 32, bottom at hyperfiltration reverse-rinsing water tank 3 is also installed with exhaust-valve 31, and the water pipe (not marking sequence number in figure) that the other end of exhaust-valve 31 connects is facing to trench 32; Drug metering case 40, measuring pump 46 and No. two measuring pumps 43 are also installed and set up parts, drug metering case 40 use liquid level gauge tube connectors 52 are installed with magnetic flap level gauge 51, in drug metering case 40 bottoms, side, drainpipe 53 is installed, draining valve 54 is installed on drainpipe 53, and the delivery port of drainpipe 53 reaches trench 32; The lower side of drug metering case 40 is installed with measuring pump liquid valve 50, the other end of metering liquid valve 50 is connecting piping filter 49, the other end of piping filter 49 is connecting on the 6th tube connector 48, the six tube connectors 48 and is connecting a measuring pump liquid feed valve 47 and No. two measuring pump liquid feed valves 44; Measuring pump liquid feed valve 47 is connecting the other end that 46, numbers measuring pumps 46 of a measuring pump are connecting 45, numbers measuring pump liquid valves 45 of a measuring pump liquid valve and is connecting the 5th tube connector 41; No. two measuring pump liquid feed valves 44 are connecting the other end that 43, No. two measuring pumps 43 of No. two measuring pumps are connecting 42, No. two measuring pump liquid valves 42 of No. two measuring pump liquid valves and are being connected to the 3rd tube connector 37 by three-way pipe; The other end that one end of the 3rd tube connector 37 is connected to the 5th tube connector 41, the five tube connectors 41 by three-way pipe is connecting the import of pressure-reducing valve 38, pressure-reducing valve 38
outletthe other end that is connecting the 4th tube connector 39, the four tube connectors 39 is connected to the top of drug metering case 40; Chemicals dosing plant main water outlet pipe Pressure gauge 35 is connected to the first tube connector 37 through chemical tank pressure gauge valve 36 use three-way pipes, the other end of the first tube connector 37 is connected with one end of medicine-chest system tube connector 34, the other end of medicine-chest system tube connector 34 is connecting check-valves 33, and the other end of check-valves 33 is connected to the female pipe 6 of hyperfiltration reverse-rinsing with three-way pipe.
Backwash water piping drawing 1 all adopts 316L stainless steel, and drug feeding pipeline (Fig. 2) adopts UPVC, and valve DN50 adopts stainless steel butterfly valve above, and all the other adopt UPVC ball valve.This hyperfiltration reverse-rinsing system, as configuration PCL, can realize automatic control.
This hyperfiltration reverse-rinsing system is installed backwash chemicals dosing plant in existing hyperfiltration reverse-rinsing system, dispose drug metering case 40, a measuring pump 46 in parallel and No. two measuring pumps 43, to the female pipe 6 of hyperfiltration reverse-rinsing, according to source quality situation selectively add medicament in the female pipe 6 of hyperfiltration reverse-rinsing by 34 dosings of medicine-chest system tube connector, such as bactericide clorox, hydrochloric acid etc., improve backwash effect, when hyperfiltration reverse-rinsing, dosing, backwash finishes, and stops dosing.
Hyperfiltration reverse-rinsing water tank 3 adopts 50m
3carbon steel fiberglass, anti-corrosive properties are good, and pressure-type liquidometer 2 is installed, and top is connected with backwash filling pipe 1, backwash filling pipe 1 produces jellyfish pipe 6 with ultrafiltration and is connected, hand-operated valve 28 and moisturizing pneumatic operated valve 29 are set on backwash filling pipe 1, according to the moisturizing water yield and the backwash water yield, adjust hand-operated valve 28 apertures, moisturizing pneumatic operated valve 29 is chain with the pressure-type liquidometer 2 of hyperfiltration reverse-rinsing water tank 3, by PLC, control, realize the low height of opening and stop, automatic water supplement.Hyperfiltration reverse-rinsing water tank 3 tops arrange overflow pipe 30, and hyperfiltration reverse-rinsing water tank 3 bottoms are provided with the exhaust-valve 31 that water can be discharged to trench 32.
A backwashing pump 15 and No. two backwashing pumps 25 in parallel are set, (1 use 1 is standby).The parameter of two backwashing pumps can be according to choosing below: 1. flow: membrane module backwash flux can be by 100～150L/m2.h, is multiplied by single covering device component count after amounting to into membrane module flow; 2. lift: consider line loss, meeting under traffic requirement, general control enters ultrafiltration pressure below 2bar; 3. the overcurrent material of backwashing pump is stainless steel.The import and export of backwashing pump are installed into water valve, outlet setting pressure table (0 ~ 0.6Mpa), between the female pipe 6 of hyperfiltration reverse-rinsing female pipe 6 (DN250) and hyperfiltration reverse-rinsing, pay DN200 pipeline, reflow backwashing water is to hyperfiltration reverse-rinsing water tank 3, install back stream pneumatic operated valve 8, pass through PLC, control and realize when certain backwashing pump hyperfiltration reverse-rinsing, its ultrafiltration unit backwash water intaking valve is opened after rear 3S, backflow pneumatic operated valve 6 cuts out, and backwash water enters ultrafiltration unit and carries out backwash (backwashing pump moves continuously), when backwash finishes, backflow pneumatic operated valve 8 is opened, and backwash water is back to hyperfiltration reverse-rinsing water tank 3.
Claims (5)
1. a hyperfiltration reverse-rinsing system, it comprises hyperfiltration reverse-rinsing water tank, a backwashing pump and No. two backwashing pumps, backwash water filling pipe is connected logical with the top, side that the hyperfiltration reverse-rinsing water tank of pressure-type liquidometer and overfall is installed, the bottom of hyperfiltration reverse-rinsing water tank is connecting discharge valve of cistern for water-closet, the other end of discharge valve of cistern for water-closet is connecting water inlet pipe No. two, on No. two water inlet pipes, connecting No. one water inlet pipe, the other end of a water inlet pipe is connecting backwashing pump water intaking valve No. one, No. one backwash water intaking valve is connected logical with the water inlet of a backwashing pump, the delivery port of a backwashing pump is connected with a check-valves through the first tube connector, No. one check-valves is connecting backwashing pump outlet valve No. one, No. one backwashing pump outlet valve is connected logical with a backwashing pump outlet pipe with the female pipe of hyperfiltration reverse-rinsing, at the female pipe of hyperfiltration reverse-rinsing, flowmeter is installed, on the first tube connector, with a pressure gauge valve, connecting Pressure gauge No. one,
The other end of No. two water inlet pipes is connecting backwashing pump water intaking valve No. two, No. two backwash water intaking valve is connected logical with the water inlet of No. two backwashing pumps, the delivery port of No. two backwashing pumps is connected with No. two check-valves through the second tube connector, No. two check-valves is connecting backwashing pump outlet valve No. two, No. two backwashing pump outlet valve is connected with a backwashing pump outlet pipe with No. two backwashing pump outlet pipes, on the second tube connector, by three-way pipe, with No. two pressure gauge valves, is connecting Pressure gauge No. two;
On a backwashing pump outlet pipe, connecting return duct, distance between return duct and backwashing pump outlet pipe link position to backwashing pump outlet valve, be greater than the distance between No. two backwashing pump outlet pipes and backwashing pump outlet pipe link position to backwashing pump outlet valve, the other end of return duct is connected to the top of the side of hyperfiltration reverse-rinsing case with backflow pneumatic operated valve; It is characterized in that:
Described backwash water filling pipe and hyperfiltration reverse-rinsing water tank are that the moisturizing hand-operated valve through being connected is successively connected with moisturizing pneumatic operated valve, backwash water filling pipe is connecting moisturizing hand-operated valve, the other end of moisturizing hand-operated valve is connected with moisturizing pneumatic operated valve, and the other end of moisturizing pneumatic operated valve is connected with top, hyperfiltration reverse-rinsing water tank side; Top, side at hyperfiltration reverse-rinsing water tank is also installed with overflow pipe, and the other end of overflow pipe reaches trench, in the bottom of hyperfiltration reverse-rinsing water tank, exhaust-valve is also installed, and the water pipe that the other end of exhaust-valve connects is facing to trench; Drug metering case, measuring pump and No. two measuring pumps are also installed and set up parts, drug metering case is installed with magnetic flap level gauge with liquid level gauge tube connector, in bottom, drug metering case side, drainpipe is installed, draining valve is installed on drainpipe, the delivery port of drainpipe reaches trench; The lower side of drug metering case is installed with measuring pump liquid valve, the other end of metering liquid valve is connecting piping filter, the other end of piping filter is connecting the 6th tube connector, is connecting a measuring pump liquid feed valve and No. two measuring pump liquid feed valves on the 6th tube connector; No. one measuring pump liquid feed valve is connecting measuring pump No. one, and No. one measuring pump is connecting measuring pump liquid valve No. one, and the other end of a measuring pump liquid valve is connecting the 5th tube connector; No. two measuring pump liquid feed valve is connecting measuring pump No. two, and No. two measuring pump is connecting measuring pump liquid valve No. two, and the other end of No. two measuring pump liquid valves is connected to the 3rd tube connector; One end of the 3rd tube connector is connected to the 5th tube connector, and the other end of the 5th tube connector is connecting the import of pressure-reducing valve, and the outlet of pressure-reducing valve is connecting the 4th tube connector, and the other end of the 4th tube connector is connected to the top of drug metering case; Chemicals dosing plant main water outlet pipe Pressure gauge is connected to the first tube connector through chemical tank pressure gauge valve, the other end of the first tube connector is connected with one end of medicine-chest system tube connector, the other end of medicine-chest system tube connector is connecting check-valves, and the other end of check-valves is connected to the female pipe of hyperfiltration reverse-rinsing with three-way pipe.
2. hyperfiltration reverse-rinsing system according to claim 1, is characterized in that: backwash water filling pipe, the female pipe of hyperfiltration reverse-rinsing, backwashing pump outlet pipe, the first tube connector, a water inlet pipe, No. two backwashing pump outlet pipes, the second tube connector and No. two water inlet pipes all adopt 316L stainless steel tube.
3. hyperfiltration reverse-rinsing system according to claim 1 and 2, is characterized in that: the 3rd tube connector, the 4th tube connector, the 5th tube connector and the 6th tube connector are all managed with UPVC.
4. hyperfiltration reverse-rinsing system according to claim 1 and 2, is characterized in that: hyperfiltration reverse-rinsing water tank adopts carbon steel fiberglass.
5. hyperfiltration reverse-rinsing system according to claim 3, is characterized in that: hyperfiltration reverse-rinsing water tank adopts carbon steel fiberglass.
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| CN201410263352.6A CN104014248B (en) | 2014-06-15 | 2014-06-15 | A kind of hyperfiltration reverse-rinsing system |
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| CN201410263352.6A CN104014248B (en) | 2014-06-15 | 2014-06-15 | A kind of hyperfiltration reverse-rinsing system |
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| CN102397752A (en) * | 2010-09-09 | 2012-04-04 | 山西太钢不锈钢股份有限公司 | Method for cleaning ultrafiltration membrane |
| CN103288177A (en) * | 2013-06-20 | 2013-09-11 | 天津膜天膜科技股份有限公司 | Continuous membrane filtration system and water treatment method |
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2014
- 2014-06-15 CN CN201410263352.6A patent/CN104014248B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000167364A (en) * | 1998-12-07 | 2000-06-20 | Kurita Water Ind Ltd | Method for cleaning membrane |
| CN101643253A (en) * | 2009-08-25 | 2010-02-10 | 山西太钢不锈钢股份有限公司 | Backwash method of ultrafiltration system in high hardness wastewater treatment |
| CN102397752A (en) * | 2010-09-09 | 2012-04-04 | 山西太钢不锈钢股份有限公司 | Method for cleaning ultrafiltration membrane |
| CN103288177A (en) * | 2013-06-20 | 2013-09-11 | 天津膜天膜科技股份有限公司 | Continuous membrane filtration system and water treatment method |
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| CN104014248B (en) | 2016-05-25 |
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