CN203668142U - Water RO (reverse osmosis) treatment system adopting low-pressure system to replace high-pressure system in production - Google Patents
Water RO (reverse osmosis) treatment system adopting low-pressure system to replace high-pressure system in production Download PDFInfo
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- CN203668142U CN203668142U CN201320895565.1U CN201320895565U CN203668142U CN 203668142 U CN203668142 U CN 203668142U CN 201320895565 U CN201320895565 U CN 201320895565U CN 203668142 U CN203668142 U CN 203668142U
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- reverse osmosis
- low
- pressure pump
- water
- pressure
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 183
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 16
- 239000013505 freshwater Substances 0.000 claims description 26
- 238000011144 upstream manufacturing Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 235000019600 saltiness Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a water RO (reverse osmosis) treatment system adopting a low-pressure system to replace a high-pressure system in production. The water RO treatment system comprises an RO clean water pump, a TDS (total dissolved solids) detection device, a security filter, a front RO low-pressure pump and a rear RO low-pressure pump which are sequentially connected with an ultrafiltration water production pool, wherein a plurality of pipelines are connected between the front RO low-pressure pump and the rear RO low-pressure pump; valves are arranged on the pipelines respectively; two groups of water production RO membranes are connected at the downstream part of the rear RO low-pressure pump in parallel; and RO routes adapting to inflow water with different TDS concentrations are formed through switching on and switching off of the valves. According to the water RO treatment system, high-pressure equipment of a conventional RO system is replaced with low-pressure equipment, so that the cost is substantially reduced, safe operation of the whole equipment is facilitated, and the service life of the equipment is prolonged; and different numbers of the low-pressure pumps can be assembled according to different TDS concentrations of inflow water and can adapt to the inflow water with TDS concentrations ranging from 2,000 mg/l to 10,000 mg/l.
Description
Technical field
The utility model relates to the crucial treatment facility of a kind of low pressure operation reverse osmosis.
Background technology
Reverse osmosis is a kind of membrane separation technique that can be take pressure as impellent by means of the skill of selecting to see through (half sees through) property film, in the time that added pressure in system is greater than into water solution osmotic pressure, water molecules constantly sees through film, flow into pipe core through producing water flow passage, then at one end flow out the impurity in water, as ion, organism, bacterium, virus etc., be trapped within the influent side of film, then flow out in dense water water side, thereby reach isolation of purified object, and pressure is the key element of most critical.
Conventionally on the pipeline of reverse osmosis system, generally need the devices such as topping-up pump-cartridge filter-high-pressure pump-reverse osmosis unit to complete reverse osmosis system and produce water, in existing reverse osmosis system, normally adopt rear use of high-pressure pump series connection of many 6kV, not only the high-tension apparatus acquisition cost of configuration is high, maintenance cost is high, dangerous large, and can not fundamentally solve the problem of multi-water resources change salinity water inlet.
Utility model content
For prior art, the utility model provides a kind of lp system to substitute the reverse osmosis treatment system of water in high-pressure system production, high-tension apparatus in current reverse osmosis system is replaced by low-voltage equipment, significantly reduce cost, be conducive to the safe operation of whole plant, extended the work-ing life of equipment; Between many low-pressure pumps, can carry out the assembly of different number of units according to the TDS concentration difference of water, adapt to TDS concentration range in water wider, from 2000mg/l to 10000mg/l all can, meet the requirement of aquifer yield simultaneously.
In order to solve the problems of the technologies described above, a kind of lp system of the utility model substitutes the reverse osmosis treatment system of water in high-pressure system production, comprise successively and produce with ultrafiltration reverse osmosis fresh water pump and the cartridge filter that water pond is connected, the upstream end of described reverse osmosis fresh water pump is connected with TDS proofing unit, the downstream of described cartridge filter is connected with the preposition low-pressure pump of reverse osmosis and reverse osmosis postposition low-pressure pump in turn, between the preposition low-pressure pump of described reverse osmosis and reverse osmosis postposition low-pressure pump, be connected with series pipe and bypass, in described series pipe and bypass, be provided with respectively valve; The downstream of reverse osmosis postposition low-pressure pump is connected with two groups by parallel pipeline and produces water RO film, and described parallel pipeline is provided with valve, and the product water out place of described product water RO film is provided with under meter.
The utility model lp system substitutes the reverse osmosis treatment system of water in high-pressure system production, wherein, by controlling the conducting of each valve and closing, form requiring and four reverse osmosis routes of condition setting such as water cost according to salinity, aquifer yield below: (1) produces water pond successively after the preposition low-pressure pump of reverse osmosis fresh water pump, cartridge filter and reverse osmosis from ultrafiltration, then produces water RO films through one group or two groups; (2) produce water pond successively after reverse osmosis fresh water pump, cartridge filter and reverse osmosis postposition low-pressure pump from ultrafiltration, then produce water RO films through one group or two groups; (3) produce water pond successively after reverse osmosis fresh water pump, cartridge filter, the preposition low-pressure pump of reverse osmosis and reverse osmosis postposition low-pressure pump from ultrafiltration, then produce water RO films through one group or two groups; (4) produce water pond successively after reverse osmosis fresh water pump and cartridge filter from ultrafiltration, simultaneously after the preposition low-pressure pump of reverse osmosis in parallel and reverse osmosis postposition low-pressure pump, then produce water RO films through two groups simultaneously.
On the series pipe between the preposition low-pressure pump of described reverse osmosis and reverse osmosis postposition low-pressure pump, be serially connected with reverse osmosis intermediate stage low-pressure pump, between the preposition low-pressure pump of described reverse osmosis, reverse osmosis postposition low-pressure pump and reverse osmosis intermediate stage low-pressure pump, be connected with bypass.The preposition low-pressure pump of described reverse osmosis, reverse osmosis intermediate stage low-pressure pump and reverse osmosis postposition low-pressure pump are all selected the 380V low pressure single stage pump of frequency conversion.
Compared with the reverse osmosis equipment of the 6kV high-voltage operation conventionally adopting in prior art, the beneficial effects of the utility model are:
(1) owing to adopting many 380V low pressure single stage pumps in reverse osmosis treatment system, and different from the opening and closing state of related valve in pilot piping according to the TDS concentration of water, form and adapt to the reverse-osmosis treated route of TDS concentration from 2000～10000g/l, thereby can carry out desalting to the brackish water of different saltiness, the ratio of desalinization of system is up to more than 96%, could meet flow pressure requirement thereby avoid the current high-pressure pump using to be stage pump, reduce acquisition cost.
(2) saved and dropped into the equipment such as corresponding 6kV high-pressure frequency-conversion cabinet, reduced the input of auxiliary facility and electric installation, its cost be current high-voltage operation reverse osmosis equipment 40～50%.
(3) adopt low pressure operation system, system run all right, has strengthened the security of system, and failure rate is low has not only extended work-ing life, and can save a large amount of maintenance costs every year.
(4) be provided with under meter at the product water out place that produces water RO film, according to the product discharge of reverse osmosis system, the power of Controlling System ingress reverse osmosis fresh water pump, thus reasonably mate resource, avoid the wasting of resources, reduce indicator of power consumption.
(5) take full advantage of multi-water resources, solved change salinity problem, improve the utilization ratio at non-traditional water source.
Accompanying drawing explanation
Accompanying drawing is the reverse osmosis treatment system formation schematic diagram that the utility model lp system substitutes water in high-pressure system production.
In figure: 1-water TDS proofing unit, 2-reverse osmosis fresh water pump, 3-cartridge filter, the preposition low-pressure pump of 4-reverse osmosis, 5-reverse osmosis postposition low-pressure pump, 41-valve A, 42-valve B, 43-valve C, 51-valve D, 52-valve E, 6-produces water RO film A, 61-valve F, 7-produces water RO film B, 71-valve G, 62-under meter F1,72-under meter F2.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
As shown in the figure, a kind of lp system of the utility model substitutes the reverse osmosis treatment system of water in high-pressure system production, comprise successively and produce with ultrafiltration reverse osmosis fresh water pump 2 and the cartridge filter 3 that water pond is connected, the upstream end of described reverse osmosis fresh water pump 2 is connected with TDS proofing unit 1, the downstream of described cartridge filter 3 is connected with the preposition low-pressure pump 4 of reverse osmosis and reverse osmosis postposition low-pressure pump 5 in turn, between the preposition low-pressure pump 4 of described reverse osmosis and reverse osmosis postposition low-pressure pump 5, be connected with series pipe and bypass, specifically, in the present embodiment, be the preposition low-pressure pump 4 of described reverse osmosis and reverse osmosis postposition low-pressure pump 5, then connect the downstream of a bypass to described reverse osmosis postposition low-pressure pump 5 from the upstream of the preposition low-pressure pump 4 of described reverse osmosis, and in this bypass, establish a threeway, by this threeway, the connecting pipeline between this bypass and the preposition low-pressure pump 4 of described reverse osmosis and reverse osmosis postposition low-pressure pump 5 is connected, thereby be formed with bypass a and bypass b, connect the upstream of bypass c to described reverse osmosis postposition low-pressure pump 5 from the upstream of the preposition low-pressure pump 4 of described reverse osmosis, as shown in the figure, in series pipe and bypass, be provided with respectively valve, in the present embodiment, on bypass a, be provided with valve A 41, the upstream end of the preposition low-pressure pump 4 of described reverse osmosis is provided with valve B 42, on bypass c, be provided with valve C 43, the upstream end of reverse osmosis postposition low-pressure pump 5 is provided with valve D 51, and bypass b is provided with valve E 52.
The downstream of reverse osmosis postposition low-pressure pump 5 is connected with and is produced water RO film A 6 and produce water RO film B 7 by parallel pipeline, on described parallel pipeline, be respectively equipped with valve, be provided with valve F 61 at the upstream end of described product water RO film A 6, upstream end at described product water RO film B 7 is provided with valve G 71, product water out place at described product water RO film A 6 is provided with under meter F1 62, and the product water out place of described product water RO film B 7 is provided with under meter F2 72.Described reverse osmosis fresh water pump 2, the preposition low-pressure pump 4 of reverse osmosis and reverse osmosis postposition low-pressure pump 5 are selected the 380V low pressure single stage pump of frequency conversion.
In the present embodiment, the power of reverse osmosis fresh water pump 2 is that the power of 37kW, the preposition low-pressure pump of reverse osmosis is 160Kw, the power of reverse osmosis postposition low-pressure pump 5 is 220kW, and the conducting by each valve on pilot piping and closing can form four kinds of different reverse osmosis routes below:
(1) in the time that water TDS proofing unit 1 detects the TDS≤2000mg/l of feed water by reverse osmosis, the valve A41 controlling on bypass a closes, the valve B42 conducting of preposition low-pressure pump 4 upstream ends of reverse osmosis, valve C 43 on bypass c closes, the valve D51 of reverse osmosis postposition low-pressure pump 5 upstream ends closes, valve E 52 conductings on bypass b, preposition low-pressure pump 4 converting operations of reverse osmosis, reverse osmosis postposition low-pressure pump 5 is shut down, pass through successively reverse osmosis fresh water pump 2 from forming from ultrafiltration product water pond, cartridge filter 3, after the preposition low-pressure pump 4 of reverse osmosis and bypass b, unlatching by by-pass valve control F 61 and valve G 71 or close again, through the reverse osmosis route of one group or two groups product water RO film, through experiment, the water use efficiency of this reverse osmosis route is 70%, in this process, the constant flow signal being fed back by total product water ga(u)ge F1 62 and/or the under meter F2 72 of reverse osmosis, the frequency of adjusting reverse osmosis fresh water pump 2 and the preposition low-pressure pump 4 of reverse osmosis, by regulating the intake pressure of reverse osmosis, guarantees that total discharge of producing is constant.
(2) TDS that feed water by reverse osmosis detected when water TDS proofing unit 1 is during at 2000～4000mg/l, control valve A 41 conductings on bypass a, the valve B42 of preposition low-pressure pump 4 upstream ends of reverse osmosis closes, valve C43 on bypass c closes, the valve D51 conducting of reverse osmosis postposition low-pressure pump 5 upstream ends, valve E 52 on bypass b closes, the preposition low-pressure pump 4 of reverse osmosis is shut down, reverse osmosis postposition low-pressure pump 5 converting operations, pass through successively reverse osmosis fresh water pump 2 from forming from ultrafiltration product water pond, cartridge filter 3, bypass a, after reverse osmosis postposition low-pressure pump 5, unlatching by by-pass valve control F 61 and valve G 71 or close again, through the reverse osmosis route of one group or two groups product water RO film, through experiment, the water use efficiency of this reverse osmosis route is 70%.In this process, the constant flow signal being fed back by total product water ga(u)ge F1 62 and/or the under meter F2 72 of reverse osmosis, the frequency of adjusting reverse osmosis fresh water pump 2 and reverse osmosis postposition low-pressure pump 5, by regulating the intake pressure of reverse osmosis, guarantees that total discharge of producing is constant.
(3) in the time that water TDS proofing unit 3 detects 4000 < TDS≤10000mg/l of feed water by reverse osmosis, the valve A 41 controlling on bypass a closes, the valve B42 conducting of preposition low-pressure pump 4 upstream ends of reverse osmosis, valve C43 on bypass c closes, valve D 51 conductings of reverse osmosis postposition low-pressure pump 5 upstream ends, valve E 52 on bypass b closes, preposition low-pressure pump 4 power frequency operations of reverse osmosis, reverse osmosis postposition low-pressure pump 5 converting operations, pass through successively reverse osmosis fresh water pump 2 from forming from ultrafiltration product water pond, cartridge filter 3, the preposition low-pressure pump 4 of reverse osmosis, after reverse osmosis postposition low-pressure pump 5, unlatching by by-pass valve control F 61 and valve G 71 or close again, through the reverse osmosis route of one group or two groups product water RO film, through experiment, the water use efficiency of this reverse osmosis route is 70%.In this process, the constant flow signal being fed back by total product water ga(u)ge 62 and/or the under meter 72 of reverse osmosis, the frequency of adjusting reverse osmosis fresh water pump 2 and the preposition low-pressure pump 5 of reverse osmosis, by regulating the intake pressure of reverse osmosis, guarantees that total discharge of producing is constant.
(4) when water TDS proofing unit 3 detect feed water by reverse osmosis≤2000mg/l, and water is very cheap, such as rainwater etc., the valve A 41 controlling on bypass a closes, the valve B42 conducting of preposition low-pressure pump 4 upstream ends of reverse osmosis, valve C 43 conductings on bypass c, the valve D 51 of reverse osmosis postposition low-pressure pump 5 upstream ends closes, valve E 51 conductings on bypass b, preposition low-pressure pump 4 converting operations of reverse osmosis, reverse osmosis postposition low-pressure pump 5 converting operations, produce water pond successively after reverse osmosis fresh water pump 2 and cartridge filter 3 from forming from ultrafiltration, simultaneously after the preposition low-pressure pump 4 of reverse osmosis in parallel and reverse osmosis postposition low-pressure pump 5, again simultaneously through two groups of reverse osmosis routes that produce water RO films, through experiment, the water use efficiency of this reverse osmosis route is 70%.In this process, the constant flow signal being fed back by total product water ga(u)ge 62 and the under meter 72 of reverse osmosis, regulate the frequency of reverse osmosis fresh water pump 2, the preposition low-pressure pump 4 of reverse osmosis and the preposition low-pressure pump 5 of reverse osmosis, by regulating the intake pressure of reverse osmosis, guarantee that total discharge of producing is constant.
In order to expand the scope that adapts to water TDS concentration, in the utility model, can also on the series pipe between the preposition low-pressure pump 4 of described reverse osmosis and reverse osmosis postposition low-pressure pump 5, be serially connected with reverse osmosis intermediate stage low-pressure pump, between the preposition low-pressure pump 4 of described reverse osmosis, reverse osmosis postposition low-pressure pump 5 and reverse osmosis intermediate stage low-pressure pump, be connected with bypass.In the utility model, on pipeline, quantity and position and the type selecting etc. of valve all belong to common practise in the art, do not repeat them here.
Although the utility model is described in conjunction with figure above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; in the situation that not departing from the utility model aim, can also make a lot of distortion, within these all belong to protection of the present utility model.
Claims (5)
1. the reverse osmosis treatment system of water in the alternative high-pressure system production of lp system, comprise successively and produce with ultrafiltration reverse osmosis fresh water pump (2) and the cartridge filter (3) that water pond is connected, the upstream end of described reverse osmosis fresh water pump (2) is connected with TDS proofing unit (1), it is characterized in that
The downstream of described cartridge filter (3) is connected with the preposition low-pressure pump of reverse osmosis (4) and reverse osmosis postposition low-pressure pump (5) in turn, between the preposition low-pressure pump of described reverse osmosis (4) and reverse osmosis postposition low-pressure pump (5), be connected with series pipe and bypass, in described series pipe and bypass, be provided with respectively valve;
The downstream of reverse osmosis postposition low-pressure pump (5) is connected with two groups by parallel pipeline and produces water RO film (6,7), and described parallel pipeline is provided with valve, and the product water out place of described product water RO film is provided with under meter.
According to claim 1 lp system substitute high-pressure system produce in the reverse osmosis treatment system of water, it is characterized in that, by controlling the conducting of each valve and closing, formation four reverse osmosis routes below:
Produce water pond successively after reverse osmosis fresh water pump (1), cartridge filter (2) and the preposition low-pressure pump of reverse osmosis (4) from ultrafiltration, then through one group or two groups of product water RO films;
Produce water pond successively after reverse osmosis fresh water pump (1), cartridge filter (2) and reverse osmosis postposition low-pressure pump (5) from ultrafiltration, then through one group or two groups of product water RO films;
Produce water pond successively after reverse osmosis fresh water pump (1), cartridge filter (2), the preposition low-pressure pump of reverse osmosis (4) and reverse osmosis postposition low-pressure pump (5) from ultrafiltration, then through one group or two groups of product water RO films;
Produce water pond successively after reverse osmosis fresh water pump (1) and cartridge filter (2) from ultrafiltration, simultaneously after the preposition low-pressure pump of reverse osmosis in parallel (4) and reverse osmosis postposition low-pressure pump (5), more simultaneously through two groups of product water RO films.
According to claim 1 lp system substitute high-pressure system produce in the reverse osmosis treatment system of water, it is characterized in that, the preposition low-pressure pump of described reverse osmosis (4) and reverse osmosis postposition low-pressure pump (5) are all selected the 380V low pressure single stage pump of frequency conversion.
According to claim 1 lp system substitute high-pressure system produce in the reverse osmosis treatment system of water, it is characterized in that, on the series pipe between the preposition low-pressure pump of described reverse osmosis (4) and reverse osmosis postposition low-pressure pump (5), be serially connected with reverse osmosis intermediate stage low-pressure pump, between the preposition low-pressure pump of described reverse osmosis (4), reverse osmosis postposition low-pressure pump (5) and reverse osmosis intermediate stage low-pressure pump, be connected with bypass.
According to claim 4 lp system substitute high-pressure system produce in the reverse osmosis treatment system of water, it is characterized in that, the preposition low-pressure pump of described reverse osmosis (4), reverse osmosis intermediate stage low-pressure pump and reverse osmosis postposition low-pressure pump (5) are all selected the 380V low pressure single stage pump of frequency conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895565.1U CN203668142U (en) | 2013-12-30 | 2013-12-30 | Water RO (reverse osmosis) treatment system adopting low-pressure system to replace high-pressure system in production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895565.1U CN203668142U (en) | 2013-12-30 | 2013-12-30 | Water RO (reverse osmosis) treatment system adopting low-pressure system to replace high-pressure system in production |
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| CN203668142U true CN203668142U (en) | 2014-06-25 |
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| CN201320895565.1U Expired - Lifetime CN203668142U (en) | 2013-12-30 | 2013-12-30 | Water RO (reverse osmosis) treatment system adopting low-pressure system to replace high-pressure system in production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891708A (en) * | 2015-05-29 | 2015-09-09 | 北京科泰兴达高新技术有限公司 | Thermal power plant oriented recycled water advanced treatment method |
| CN112159030A (en) * | 2020-09-11 | 2021-01-01 | 郑州绿清环保科技有限公司 | Novel leachate treatment system |
-
2013
- 2013-12-30 CN CN201320895565.1U patent/CN203668142U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891708A (en) * | 2015-05-29 | 2015-09-09 | 北京科泰兴达高新技术有限公司 | Thermal power plant oriented recycled water advanced treatment method |
| CN112159030A (en) * | 2020-09-11 | 2021-01-01 | 郑州绿清环保科技有限公司 | Novel leachate treatment system |
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Granted publication date: 20140625 |
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| CX01 | Expiry of patent term |