CN104096480B - The high power enrichment facility of high efficiency low energy consumption and the method for feed liquid process thereof - Google Patents
The high power enrichment facility of high efficiency low energy consumption and the method for feed liquid process thereof Download PDFInfo
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- CN104096480B CN104096480B CN201410388198.5A CN201410388198A CN104096480B CN 104096480 B CN104096480 B CN 104096480B CN 201410388198 A CN201410388198 A CN 201410388198A CN 104096480 B CN104096480 B CN 104096480B
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Abstract
The present invention relates to a kind of high power enrichment facility of high efficiency low energy consumption and the method for feed liquid process thereof, high power enrichment facility comprises feedstock pump and the high-pressure pump be connected with feedstock pump successively and film device, the concentrated solution outlet of film device is connected with film device import with booster pump by pressure exchanger successively, and pressure exchanger also exports with feedstock pump and is connected, pressure exchanger can make the direct or indirect feed liquid from the low pressure of feedstock pump and the concentrate positive energy exchange from film device and transmit material, obtain the higher phegma of pressure and the lower exudate of pressure, phegma refluxes and enters film device after booster pump supercharging, therefore can carry out circulation film on the one hand to concentrate, apparatus of the present invention are made only namely to reach high organic efficiency by one section of film is concentrated, greatly reduce cost of investment and operating cost, and the dirt being conducive to being formed cross-flow minimizing film is blocked up, on the other hand because phegma has higher pressure energy, film device can be entered after a little supercharging, also the energy ezpenditure of high-pressure pump can be reduced.
Description
Technical field
The present invention relates to a kind of material liquid enrichment facility and method for concentration thereof.
Background technology
Concentration technique is used in multiple different industries, such as in the industries such as albumen, enzyme, dyestuff, fruit juice, tea juice, pharmaceutical preparation, the concentrated and purified process of ubiquity, but traditional concentrating and separating technique,, there is the shortcomings such as energy consumption is large, temperature is high, destroy active ingredient, floor space is large in the technology such as usual employing multi-stage vacuum evaporation, multiple-effect evaporation, flash distillation.And in industries such as chemical industry, medicine, metallurgy, adopt film concentration technique process waste water, its energy consumption reduces relatively, and overcome temperature high, destroy active ingredient and the large problem of floor space, but the rate of recovery is lower in existing film recovery process, in waste water, a lot of valuable components is wasted, even if adopt Using Multistage Membranes to concentrate, to a certain degree improve concentrated effect, but cost of investment and operating cost are all higher.
Summary of the invention
The invention provides a kind of high power enrichment facility of high efficiency low energy consumption, comprise material liquid conveying device, described material liquid conveying device comprises feedstock pump and conveyance conduit, it is characterized in that, also comprise the high-pressure pump and film device that are connected with described feedstock pump successively, described film device comprises concentrated solution outlet and permeate outlet, described concentrated solution outlet is connected with described film device import with a booster pump by a pressure exchanger successively, and pressure exchanger also exports with feedstock pump and is connected, described pressure exchanger can make the direct or indirect feed liquid from the low pressure of feedstock pump and the concentrate positive energy exchange from film device and transmit material, obtain the higher phegma of pressure and the lower exudate of pressure, phegma refluxes and enters described film device after booster pump supercharging, described film device is film concentrator unique in high power enrichment facility.
Preferably, described booster pump and pressure exchanger are whole body structure.
Preferably, described conveyance conduit comprises the pipeline being communicated with high-pressure pump and film device, and the outlet of the phegma of described pressure exchanger is by booster pump and described pipeline communication.
Preferably, also pretreatment unit is provided with between described feedstock pump and high-pressure pump.
Preferably, described pressure exchanger exports with pretreatment unit and is connected.
Preferably, some valves of controlled pressure interchanger input and output material liquid measure are also comprised.
Preferably, described film device is reverse osmosis unit or nanofiltration device.
Originally returning brightly provides a kind of method using the high power enrichment facility of high efficiency low energy consumption to carry out feed liquid process.
Method comprises the steps:
(1) material liquid is pumped into high power enrichment facility by feedstock pump;
(2) before entering high-pressure pump, feed liquid is shunted, and part enters film device through high-pressure pump supercharging, and permeate is exported by permeate and discharges, and concentrate enters described pressure exchanger from concentrated solution outlet;
(3) another part feed liquid shunted enters described pressure exchanger and concentrate positive energy exchange and material, obtains the higher phegma of pressure and the lower exudate of pressure;
(4) described phegma refluxes and enters described film device and again concentrate after booster pump supercharging, and exudate is discharged.
Preferably, the phegma obtained after positive energy exchange directly in pressure exchanger through booster pump supercharging.
Preferably, phegma converges with the feed liquid through high-pressure pump supercharging and enters film device again after booster pump supercharging.
Preferably, material liquid enters film device again after pretreatment unit.
Preferably, the reduction of feed volume entering pressure exchanger by concentrated solution outlet and the reduction of feed volume entering and discharged by pressure exchanger is controlled by respective valves.
The beneficial effect that the present invention reaches:
1. high power enrichment facility of the present invention, be connected with film device with booster pump through pressure exchanger successively by design concentrated solution outlet, make the feed liquid directly or indirectly from the low pressure of feedstock pump with the concentrate positive energy exchange from film device and transmit material, obtain the higher phegma of pressure and the lower exudate of pressure, one side phegma carries out circulation film and concentrates, apparatus of the present invention are made only namely to reach high organic efficiency by one section of film is concentrated, greatly reduce cost of investment and operating cost, and the dirt being conducive to being formed cross-flow minimizing film is blocked up, on the other hand because phegma has higher pressure energy, film device can be entered after a little supercharging, reduce the energy ezpenditure of high-pressure pump.
And pressure exchanger also exports with feedstock pump and is connected, can directly utilize system enter high-pressure pump before feed liquid and concentrate carry out energy exchange, more effectively energy-conservation.
The ingenious syndeton design of apparatus of the present invention to make in concentration process energy exchange and material transmission synchronously carry out, and by the effect of simple structure acquisition high-recovery and low energy consumption, the equipment comparing common multistage film concentration technology even can save energy more than 50%.High power enrichment facility of the present invention, during for feed separation, returns to original system because most of concentrate is included in phegma, meets the requirements of fraction concentrate and collected, the valuable material in former water like this can high concentration be recycled utilization.During for wastewater treatment, due to the high-recovery of device, can realize the technique reuse of great lot of water resources, final wastewater discharge greatly reduces.
2. design booster pump and pressure exchanger are whole body structure, and namely booster pump can be set directly in the high pressure material liquid outlet pipeline of pressure exchanger, reduce pipeline consumption, raise the efficiency and reduce space hold.
3. can arrange high pressure material liquid outlet to be connected with the pipeline between high-pressure pump and film device, make the high pressure feed liquid flowed out by booster pump after the feed liquid of high-pressure pump supercharging mixes, together enter film device with upstream again, optimization energy distributes.
4. also can pretreatment unit be set between feedstock pump and high-pressure pump, removes the solid particle polluter in material liquid in advance, security personnel's filter is especially set, diaphragm device.The low pressure liquor inlet of pressure exchanger also directly can export with pretreatment unit and be connected, and makes to participate in energy exchange through pretreated material liquid.
5. valve is set at the low pressure material liquid outlet of pressure exchanger, low pressure liquor inlet flow, high pressure liquor inlet flow and low pressure material liquid outlet flow can be controlled by this valve and pressure exchanger itself, be conducive to adjustment and participate in the high pressure feed liquid of energy exchange and the amount of low pressure feed liquid, obtain suitable energy transferring and system recoveries rate.
6. use high power enrichment facility of the present invention to carry out the method for feed liquid process, while realizing concentrate recirculation, also achieve the recycling of energy, both improved the rate of recovery, significantly reduce energy consumption again.Wherein system recoveries rate can reach more than 90%.
Accompanying drawing explanation
Fig. 1 is the system block diagram that preferred embodiment of the present invention high power enrichment facility is applied in feed liquid process;
Fig. 2 is the annexation figure of booster pump and pressure exchanger in preferred embodiment of the present invention high power enrichment facility;
Wherein: 1, booster pump, 2, pressure exchanger, 4, high pressure liquor inlet, 5, high pressure material liquid outlet, 6, high pressure material liquid outlet, 7, low pressure liquor inlet, 8, low pressure material liquid outlet.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1-2, a kind of high power enrichment facility of high efficiency low energy consumption, comprises material liquid conveying device, pretreatment unit, high-pressure pump and film device.Wherein, film device is film concentrator unique in high power enrichment facility.Material liquid conveying device comprises feedstock pump and conveyance conduit, pretreatment unit, and high-pressure pump is connected with feedstock pump successively with film device.
Film device comprises concentrated solution outlet and permeate outlet, and concentrated solution outlet is connected with film device import with a booster pump by a pressure exchanger successively, and pressure exchanger also exports with feedstock pump and is connected.Permeate outlet then can connect other water treatment facilities, is used as technique backwater.
Concrete, as shown in Figure 2, pressure exchanger 2 comprises for the chamber that feed pressure exchanges and material transmits, and respectively with the high pressure liquor inlet 4 of chamber, high pressure material liquid outlet 5, low pressure liquor inlet 7 and low pressure material liquid outlet 8, its mesohigh liquor inlet 4 is connected with concentrated solution outlet, low pressure liquor inlet 7 exports with feedstock pump and is connected, and high pressure material liquid outlet 5 is communicated with film device import by booster pump 1, goes out interruption-forming high pressure material liquid outlet 6 at booster pump 1.Also namely, concentrated solution outlet is connected with pressure exchanger respectively with feedstock pump outlet and is connected with film device import eventually through booster pump.
Concentrated solution outlet go out concentrate with directly or indirectly in the chamber of pressure exchanger 2, carry out energy exchange and material transmission from the feed liquid of the low pressure of feedstock pump, obtain the higher phegma of pressure and the lower exudate of pressure, phegma is refluxed by high pressure material liquid outlet 6 and enters film device after booster pump 1 supercharging, and exudate can be discharged through low pressure material liquid outlet 8.The backflow of material, realizes circulation concentrated on the one hand, also contributes to increasing cross-flow, and the dirt reducing film is blocked up; On the other hand because phegma has the pressure energy of satisfying the demand, also help reduction energy consumption.
More specifically, pressure exchanger 2 low pressure liquor inlet 7 is by directly exporting the indirect communication being connected and realizing exporting with feedstock pump with pretreatment unit.Conveyance conduit comprises the first pipeline be communicated with between pretreatment unit and high-pressure pump, be communicated with the second pipe of high-pressure pump and film device, wherein, the low pressure liquor inlet 7 of pressure exchanger 2 by being communicated with of realizing exporting with pretreatment unit with the first pipeline communication, high pressure material liquid outlet 6 by with second pipe be communicated with being communicated with of realization and film device import.
Therefore, when there is energy exchange and material transmission in the chamber of pressure exchanger 2, part controlled in the concentrate of high pressure is mixed into the feed liquid entering chamber after pretreatment, high pressure feed liquid E is formed through booster pump 1 supercharging after mixing, and after the feed liquid of high-pressure pump supercharging mixes again, together enter film device with upstream, while realizing concentrate recirculation, optimization energy distributes, and improves system recoveries rate.
High power enrichment facility also comprises and is separately positioned on the reduction of feed volume that concentrated solution outlet controls to be entered by concentrated solution outlet pressure exchanger 2, and be arranged on low pressure material liquid outlet 8 controlled pressure interchanger 2 go out to discharge the valve (not shown) of liquid measure.Thus be conducive to the adjustment participation high pressure feed liquid of energy exchange and the amount of low pressure feed liquid, obtain suitable energy transferring and system recoveries rate.Pretreatment unit can be security personnel's filter but be not limited to filter of ensuring public security in addition.
It should be noted that, pressure exchanger 2 is existing devices, usual and booster pump 1 split, but can design pressure interchanger 2 be whole body structure with booster pump 1.Such as booster pump 1 can be set directly in high pressure material liquid outlet 5 pipeline of pressure exchanger 2, and relative split design reduces pipeline consumption, raises the efficiency and reduces space hold.
Film device is reverse osmosis unit or nanofiltration device.
Introduce the method using the high power enrichment facility of high efficiency low energy consumption of the present invention to carry out feed liquid process below, specifically comprise the steps:
(1) material liquid is pumped into high power enrichment facility by feedstock pump, through the material liquid A pressure of feedstock pump at 0.3-0.4MPa.
(2) material liquid A is by security personnel's frit, removing particle.
(3) filtrate through security personnel's filter is divided into two-way before entering high-pressure pump, one tunnel feed liquid B enters film device through high-pressure pump supercharging, permeate (H) is exported by permeate and discharges afterwards, and concentrate flows out from concentrated solution outlet and enters pressure exchanger 2 from high pressure liquor inlet 4.The pressure of feed liquid B after high-pressure pump supercharging is slightly larger than concentrate pressure, but the pressure limit of the two is all at 1.0-10.0MPa.
(4) another road feed liquid D(0.3-0.4MPa) enter pressure exchanger 2 by low pressure liquor inlet 7, with concentrate F, energy exchange and material transmission occur, obtain the phegma of high pressure and the pressure exudate G at 0.1-0.2MPa, this phegma is by obtaining high pressure feed liquid E after booster pump 1 again supercharging.The pressure energy of high pressure feed liquid E and feed liquid B after high-pressure pump supercharging, to enter the pressure before film device suitable, in the scope of 1.0-10.0MPa.High pressure feed liquid E enters film device by high pressure material liquid outlet 6 backflow and again concentrates, and exudate G is discharged by low pressure material liquid outlet 8 as dense water.Concrete, in energy exchange and material transmittance process, a part of concentrate F and feed liquid D positive energy exchange, this partial concentration liquid F becomes with exudate G discharge after low pressure, and residue concentrate F all mixes with the feed liquid D obtaining pressure energy enter film device again as high pressure feed liquid E after booster pump 1 supercharging.The ratio participating in backflow and directly discharge from the concentrate F of concentrated solution outlet outflow after pressure exchanger is measured according to the concentrate F amount and feed liquid D that enter pressure exchanger and is determined.After high pressure feed liquid E is back to film device upstream by high pressure material liquid outlet 6 with high-pressure pump go out the feed liquid after supercharging and be mixed into feed liquid C(1.0-10.0MPa) together enter film device again and carry out film and concentrate.Therefore enter its pressure energy of feed liquid of the high pressure before film device on the one hand from the supercharging of high-pressure pump, give the pressure of phegma on the other hand from phegma itself and booster pump 1, rely on relatively merely high-pressure pump supercharging greatly to reduce energy consumption.
It should be noted that, Central Plains of the present invention feed liquid can be waste water and other pending feed liquid.Above-mentioned alphabetical A, B, C, D, E, F, G, H represent the feed liquid of Fig. 1-2 relevant position respectively.
Adopt high power enrichment facility of the present invention to carry out feed liquid process, equipment energy consumption is compared common multistage technology equipment and be can save energy more than 50%, and system recoveries rate reaches more than 90%.
Backflow enters the feed pressure of film device mainly from the pressure energy of phegma, and the contribution of booster pump 1 is much smaller by contrast.The degree of boost of booster pump 1 is much smaller than high-pressure pump.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (8)
1. the high power enrichment facility of a high efficiency low energy consumption, comprise material liquid conveying device, described material liquid conveying device comprises feedstock pump and conveyance conduit, it is characterized in that, also comprise the high-pressure pump and film device that are connected with described feedstock pump successively, described film device comprises concentrated solution outlet and permeate outlet, described concentrated solution outlet is connected with described film device import with a booster pump by a pressure exchanger successively, and pressure exchanger also exports with feedstock pump and is connected, described pressure exchanger can make the direct or indirect feed liquid from the low pressure of feedstock pump and the concentrate positive energy exchange from film device and transmit material, obtain the higher phegma of pressure and the lower exudate of pressure, phegma refluxes and enters described film device after booster pump supercharging, described film device is film concentrator unique in high power enrichment facility.
2. the high power enrichment facility of a kind of high efficiency low energy consumption according to claim 1, is characterized in that, described booster pump and pressure exchanger are whole body structure.
3. the high power enrichment facility of a kind of high efficiency low energy consumption according to claim 2, is characterized in that, described conveyance conduit comprises the pipeline being communicated with high-pressure pump and film device, and the outlet of the phegma of described pressure exchanger is by booster pump and described pipeline communication.
4. the high power enrichment facility of a kind of high efficiency low energy consumption according to claim 1, is characterized in that, be also provided with pretreatment unit between described feedstock pump and high-pressure pump.
5. the high power enrichment facility of a kind of high efficiency low energy consumption according to claim 4, is characterized in that, described pressure exchanger exports with pretreatment unit and is connected.
6. the high power enrichment facility of a kind of high efficiency low energy consumption according to claim 1, is characterized in that, also comprises some valves of controlled pressure interchanger input and output material liquid measure.
7. the high power enrichment facility of a kind of high efficiency low energy consumption according to claim 1, is characterized in that, described film device is reverse osmosis unit or nanofiltration device.
8. use the high power enrichment facility of a kind of high efficiency low energy consumption described in any one of claim 1-7 to carry out the method for feed liquid process, it is characterized in that, comprise the steps:
(1) material liquid is pumped into high power enrichment facility by feedstock pump;
(2) before entering high-pressure pump, feed liquid is shunted, and part enters film device through high-pressure pump supercharging, and permeate is exported by permeate and discharges, and concentrate enters described pressure exchanger from concentrated solution outlet;
(3) another part feed liquid shunted enters described pressure exchanger and concentrate positive energy exchange and material, obtains the higher phegma of pressure and the lower exudate of pressure;
(4) described phegma refluxes and enters described film device and again concentrate after booster pump supercharging, and exudate is discharged.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138007A (en) * | 2008-08-29 | 2011-07-27 | 丹佛斯公司 | Reverse-osmosis apparatus |
| CN103191642A (en) * | 2013-03-26 | 2013-07-10 | 国家海洋局天津海水淡化与综合利用研究所 | Pressure exchange cylinder and valve-control pressure exchanger for reverse osmosis desalting system |
| CN104096480A (en) * | 2014-08-08 | 2014-10-15 | 乾通环境科技(苏州)有限公司 | High-efficiency low-energy-consumption high-concentration device and method for material liquid processing |
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| KR100730366B1 (en) * | 2006-08-24 | 2007-06-19 | 한국기계연구원 | Reverse osmosis water purification system with brine pressure recovery mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138007A (en) * | 2008-08-29 | 2011-07-27 | 丹佛斯公司 | Reverse-osmosis apparatus |
| CN103191642A (en) * | 2013-03-26 | 2013-07-10 | 国家海洋局天津海水淡化与综合利用研究所 | Pressure exchange cylinder and valve-control pressure exchanger for reverse osmosis desalting system |
| CN104096480A (en) * | 2014-08-08 | 2014-10-15 | 乾通环境科技(苏州)有限公司 | High-efficiency low-energy-consumption high-concentration device and method for material liquid processing |
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