CN205473098U - Desulfurization waste water zero release water processing system of power plant - Google Patents
Desulfurization waste water zero release water processing system of power plant Download PDFInfo
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- CN205473098U CN205473098U CN201620035218.5U CN201620035218U CN205473098U CN 205473098 U CN205473098 U CN 205473098U CN 201620035218 U CN201620035218 U CN 201620035218U CN 205473098 U CN205473098 U CN 205473098U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The utility model relates to a desulfurization waste water zero release water processing system of power plant, including preliminary sedimentation pond, processing unit, filter unit and the concentrated unit of decrement in advance, pass through in proper order through the filtrating that processing unit in advance came out tubular micro -filtration membrane device and safety filter ware that filter unit includes, and then flow to the concentrated unit of decrement, the concentrated unit of decrement includes and divides the three routes through the filtrating that sea water reverse osmosis unit flows out by sea water reverse osmosis unit, carries all the way to outside recovery and utilization equipment, and another lu liuzhi electrodialyzer crystallization salify flows all the way in addition and carries to pure water recovery and utilization equipment after the desalination of second grade reverse osmosis unit. Through the utility model discloses the aftertreatment can be carried out through the filtrating that sea water reverse osmosis unit flows out as required to system's rational design, collects that investment cost is low, the running cost is low, area is little, maintenances is convenient, the stable institute of operation has superiority, can realize the salt crystal resourceization, and the maximize reduces handling capacity useless admittedly or does not give up admittedly, really realizes the zero release of desulfurization waste water.
Description
Technical field
This utility model relates to water-treatment technology field, is specifically related to a kind of power plant desulfurization wastewater zero discharge water treatment system.
Background technology
China's SO2 emissions occupy first place in the world, and the most for years more than 20,000,000 tons, wherein power plant emission sulfur dioxide is close to the 50% of total amount, and sulfur dioxide is the one of the main reasons causing atmospheric pollution, is also the major reason causing acid rain.At the end of cut-off 2010, China completes the Target of Total Pollutant Amount Control SO2 emissions whole year 2246.7 ten thousand tons the Eleventh Five-Year Plan period, and wherein the controlled quentity controlled variable of power industry is 951.7 ten thousand tons, and " 12 " planning outline draft requires that sulfur dioxide reduces 8%.Owing to acid rain and sulfur dioxide pollution are serious, acid rain area has accounted for the 30% of area, acid rain and sulfur dioxide pollution and has caused economic loss every year more than 100,000,000,000 yuan.It is the emphasis that China controls sulfur dioxide pollution that the feature of China's energy resource structure determines the discharge of the coal-fired sulfur dioxide of control, and controlling thermal power plant's SO2 emissions is the key controlling coal-fired sulfur dioxide pollution, wherein coal fired power plant flue gas desulfurization system is the discharge rich and influential family of sulfur dioxide.Have been developed for hundreds of kind of desulfurization technology both at home and abroad at present, mainly have thermal power plant is wide variety of:
One, limestone scrubbing FGD flue gas desulfurization technique, this technology uses limestone or lime slurry to do cleaning mixture, washs flue gas, thus remove the sulfur dioxide in flue gas in reaction tower；Two, rotary spraying and drying method, this technology is using limestone as desulfurizing agent, first lime slaking is made Sal Nitri mortar, then quick centrifugal spray agent is utilized to be injected into by slaked lime serosity and fine and uniformly distributed droplet, absorbent droplet and smoke contacts, generate a kind of solid reactant with sulfur dioxide after reacting；Three, in-furnace calcium spraying and afterbody humidification activation, this technology is proper temperature district injection agstone in coal-burning boiler, and set up activated reactor in furnace rear flue, spray water at reactor inlet, water evaporates the most completely, by in the stove in flue gas, reaction and the rapid hydration reaction of the deactivated calcium oxide of high temperature sintering do not generate highly active calcium hydroxide, in order to deviate from the sulfur dioxide in flue gas；Four, fluidized bed combustion desulfurization, this technology adds coal and adsorbent in the bed of combustor, makes bed suspend from furnace bottom air blast and carries out fluidized bed combustion, and fluidisation forms turbulent closure scheme condition, thus improve efficiency of combustion, wherein sulphur-fixing agent decreases the discharge of sulfur dioxide.Except upper described also electron beam irradiation method, flue gas reflux circulating fluidized bed flue gas desulfurization process, moving-bed active carbon adsorption, Sea water respiratory distress syndrome etc..
But the shortcoming that said method remains different aspect during reality uses.Such as the method for limestone scrubbing FGD flue gas desulfurization technique, its initial cost and operating cost are higher, and water consumption is big, big than other techniques of floor space, are difficult to use this kind of technology in the case of existing power plant does not reserve desulfurization place.Thermal power plant is as water consumption rich and influential family, and its water consumption accounts for the 30%～40% of industrial water consumption, and the water consumption of annual thermal power plant is upper body trend, and wastewater discharge increases the most year by year simultaneously, and really realizing waste water zero emission is thermal power plant's Sustainable Development Road.
Therefore, how to try to explore and correctly hold the developments of following water technology, actively the most in addition research and innovation, to found a kind of be more suitable for China's actual conditions, cost of investment is low, operating cost is low and the easily operated and desulfurization wastewater technique of zero discharge of management, make it have more the value in industry, become problem demanding prompt solution.
Utility model content
The defect existed in view of above-mentioned prior art, the purpose of this utility model is to provide a kind of power plant desulfurization wastewater zero discharge water treatment system, solves the problems such as existing desulfurization wastewater cost of investment height, operating cost height, maintenance cost height, floor space is big, it is inconvenient to safeguard, operation stability is not good enough, desulfurization process is incomplete.For realizing aforementioned utility model purpose, the technical solution adopted in the utility model includes:
A kind of power plant desulfurization wastewater zero discharge water treatment system, including the preliminary sedimentation tank sequentially connected by pipeline, pretreatment unit, filter element and decrement upgrading unit, wherein, tube type filter membrance device and the cartridge filter that described filter element includes is sequentially passed through through described pretreatment unit filtrate out, and then it flow to decrement upgrading unit, described decrement upgrading unit includes sea-water reverse osmose apparatus, the filtrate flowed out through sea-water reverse osmose apparatus divides three tunnels, one tunnel is delivered to outside recycling equipment, another road flow to electrodialyzer and crystallizes into salt, a road is also had to be delivered to pure water recycling equipment after flowing to second level reverse osmosis apparatus desalination.The advantage of tube type filter membrance device is:
(1) the waste water containing mud granule can be made to enter membranous system and to carry out direct solid-liquid separation, sedimentation tank, more medium filter, carbon filter and microfiltration etc. can be saved；
(2) floor space is little；
(3) complete set of equipments is installed unified, and changes film low cost；
(4) Chemical cleaning is simple, drug dosage is little, and expense is low, and film is long for service life；
The most easy to operate, automaticity is high.
Owing to using tube type filter membrance device, this process characteristic is that technological process is extremely short, and cost of investment is low, it is low to run dosage, and floor space is little.
The electrodialyzer (selectivity ionic membrane can be used) that the present invention uses, monovalence and divalent ion can be kept completely separate, dense water after concentration can prepare technical grade NaCl salt, dense water after electrodialyzer concentrates can also use bipolar membrane electrodialysis device to prepare hydrochloric acid and NaOH, or electrolytic preparation sodium hypochlorite, the soda acid generated and oxidant are available for other production processes of owner and use, and the product water of electrodialyzer sea-water reverse osmose apparatus concentrates carnallite processed in addition.
This utility model further, is additionally provided with Weak Acid Ion exchange column between described tube type filter membrance device and cartridge filter.It is relatively low that the configuration of above-mentioned Weak Acid Ion exchange column+sea-water reverse osmose apparatus+electrodialyzer (can use selectivity ionic membrane) has cost of investment, operating cost is relatively low, floor space is minimum, simple to operate, easy to maintenance, the advantage that ionic membrane service life is longer, waste water after tube type filter membrance device is filtered is by Weak Acid Ion exchange column, remove most remaining calcium ions and magnesium ions in waste water, water outlet enters sea-water reverse osmose apparatus, produce Water circulation, dense water after reverse osmosis unit filters enters electrodialyzer equipment and carries out reconcentration, it concentrates TDS and can reach 20～240,000 mg/L.
This utility model further, is additionally provided with nano filter membrance device between sea-water reverse osmose apparatus and electrodialyzer.Preferably, described Weak Acid Ion exchange column is the weak acid exchange capacity macropore double-current method Weak Acid Ion exchange column more than 15mmol/g.
Further, drainage is after the sea-water reverse osmose apparatus of described decrement upgrading unit concentrates this utility model excessively, then crystallizes into salt reconcentration through electrodialyzer, and the described drainage concentration TDS that crosses reaches 200000～240000mg/L.
This utility model is further, described pretreatment unit is for softening pretreatment unit, including pH adjustment tank, reactive tank, flocculation tank and stillpot, the filtrate flowed out through described preliminary sedimentation tank reconciles pH value through pH adjustment tank, the most reacted groove and the calcium ions and magnesium ions in water react generation calcium carbonate and magnesium hydrate precipitate, react generation sulfide precipitation with heavy metal, then react with flocculant through flocculation tank, finally at stillpot precipitation separation material.
This utility model is further, it is provided with the first valve between described decrement upgrading unit and described outside recycling equipment, described decrement upgrading unit and described electrodialyzer are provided with the second valve, described decrement upgrading unit and described second level reverse osmosis apparatus are provided with the 3rd valve, and described first valve, the second valve and the 3rd valve all have controller to control its folding.
This utility model is further, one is also set up for collecting the middle tank of pretreatment unit filtrate between described pretreatment unit and described filter element, between described Weak Acid Ion exchange column and cartridge filter, it is provided with the filtering trough flowing out filtrate for collecting Weak Acid Ion exchange column, is provided with between described sea-water reverse osmose apparatus and second level reverse osmosis apparatus for collecting the reverse osmosis water tank through the filtered filtrate of sea-water reverse osmose apparatus.
By such scheme, this utility model at least has the advantage that
1. this utility model integrates that cost of investment is low, operating cost is low, floor space is little, easy to maintenance, stable is had superiority, the equipment coordinating reduction use cost, using dish tubular nanofiltration membrane to reduce pretreating process using reverse osmosis unit and electrodialyzer is arranged, and reduces cost of investment；And influent quality is required low by dish tubular nanofiltration membrane technique, material is blocked up in the easily fouling dirt such as separable high valence ion, silicon and Organic substance, therefore preposition pretreatment can reduce the addition of a large amount of medicine such as Calx, sodium carbonate, thus operating cost reduces；Use electrodialyzer technology, system power consumption cost can be reduced, thus operating cost reduces.
2. this utility model system can realize crystal salt resource, maximizing and reduce fixed-end forces amount or do not have solid waste, the dish tubular nanofiltration membrane response rate used is high, and dense water can direct crystallization carnallite solid waste, treating capacity is little, produces water and can prepare technical grade sodium chloride salt through the concentration of follow-up decrement and crystallizer；Using selectivity ionic membrane electrodialyzer technology, separable monovalence, divalent ion, the monovalent ion after concentration prepares technical grade NaCl salt by crystallizer；Use electrolysis tech, NaClO solution can be prepared and recycle, it is not necessary to use cost of investment and the highest crystallizer salt manufacturing of operating cost；Use bipolar membrane electrodialysis device technology, hydrochloric acid and sodium hydroxide solution can be prepared and recycle, it is not necessary to use cost of investment and the highest crystallizer salt manufacturing of operating cost.
3. this utility model system may be designed to Automatic Control, easy to maintenance, and this technique back segment is that full embrane method processes, and floor space is little；Its electrodialyzer technology used, requires to influent quality, but cycles of concentration is high, total dissolved solidss can be concentrated into 20～240,000 mg/L, makes later crystallization device operating load low low.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
Fig. 1 is embodiment 1 structural representation of this utility model power plant desulfurization wastewater zero discharge water treatment system processing system；
Fig. 2 is embodiment 2 structural representation of this utility model power plant desulfurization wastewater zero discharge water treatment system processing system.
In figure, the implication of each reference is as follows.
1 preliminary sedimentation tank 2 tube type filter membrance device
3 Weak Acid Ion exchange column 4 cartridge filters
The outside recycling equipment of 5 sea-water reverse osmose apparatus 6
7 electrodialyzer 8 second level reverse osmosis apparatus
9 pure water recycling equipment 10pH adjustment tanks
11 reactive tank 12 flocculation tanks
13 stillpot 14 middle tank
15 filtering trough 16 reverse osmosis water tanks
17 first valve 18 second valves
19 the 3rd valve 20 nano filter membrance devices
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is carried out clear, complete description, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments, it is not limited to scope of the present utility model.Based on embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
See Fig. 1, this utility model power plant desulfurization wastewater zero discharge water treatment system processing system, including the preliminary sedimentation tank 1 sequentially connected by pipeline, pretreatment unit, filter element and decrement upgrading unit, wherein, tube type filter membrance device 2 and the cartridge filter 4 that described filter element includes is sequentially passed through through described pretreatment unit filtrate out, and then it flow to decrement upgrading unit, described decrement upgrading unit includes sea-water reverse osmose apparatus 5, the filtrate flowed out through sea-water reverse osmose apparatus (being also SWRO device) 5 divides three tunnels, one tunnel is delivered to outside recycling equipment 6, another road flow to electrodialyzer (being also ED equipment) 7 and crystallizes into salt, a road is also had to be delivered to pure water recycling equipment 9 after flowing to second level reverse osmosis apparatus 8 desalination.The appropriate design of this utility model system, the filtrate flowed out through sea-water reverse osmose apparatus 5 can carry out post processing as required, integrate that cost of investment is low, operating cost is low, floor space is little, easy to maintenance, stable had superiority, crystal salt resource can be realized, maximize and reduce fixed-end forces amount or there is no solid waste, really realize desulfurization wastewater zero-emission.
Embodiment 1, as shown in Figure 2, outside above-mentioned preliminary sedimentation tank 1, tube type filter membrance device, cartridge filter 4, sea-water reverse osmose apparatus 5, outside recycling equipment 6, electrodialyzer 7, second level reverse osmosis apparatus 8 and pure water recycling equipment 9, Weak Acid Ion exchange column 3 it is additionally provided with between tube type filter membrance device 2 and cartridge filter 4, this Weak Acid Ion exchange column 3 is preferably the macropore double-current method Weak Acid Ion exchange column being more than 15mmol/g for weak acid exchange capacity, is especially suitable for being arranged in this utility model system use.Wherein, tube type filter membrance device 2 is the least due to the micropore in micro-filtration membrane, can effectively remove particle, colloid and larger molecular organics etc. in various water, have the advantage that the direct solid-liquid separation of the waste water that can make containing mud granule, sedimentation tank, more medium filter, carbon filter and micro-filtration auxiliary can be saved, floor space is little, this tube type filter membrance device 2 complete set of equipments is installed, change film low cost, Chemical cleaning is simple, drug dosage is little, expense is low, film length in service life, easy to operate, automaticity is high.Above-mentioned Weak Acid Ion exchange column 3 mainly removes faintly acid salts reaction, and produce after exchange is weak acid, and the maintenance that will not produce strong acid, beneficially follow-up equipment uses.
Embodiment 2, as shown in Figure 2, outside above-mentioned preliminary sedimentation tank 1, tube type filter membrance device, cartridge filter 4, sea-water reverse osmose apparatus 5, outside recycling equipment 6, electrodialyzer 7, second level reverse osmosis apparatus 8 and pure water recycling equipment 9, nano filter membrance device (being also NF film device) 20 it is additionally provided with between sea-water reverse osmose apparatus 5 and electrodialyzer 7, the membrane aperture of NF membrane is 100～1000 molecular weight, be especially suitable for being arranged in this utility model system with other equipment with the use of, coordinate electrodialyzer 7 can be kept completely separate monovalence and divalent ion.NF produces the dense water crystallization preparing industrial grade NaCl salt of water+ED, ED, NF film dense water carnallite.
Should be noted that, this utility model pretreatment unit is for softening pretreatment unit, including pH adjustment tank 10, reactive tank 11, flocculation tank 12 and stillpot 13, the filtrate flowed out through described preliminary sedimentation tank 1 reconciles pH value through pH adjustment tank 10, the most reacted groove 11 reacts with metal ion, react with flocculant through flocculation tank 12 again, finally at stillpot 13 precipitation separation material.This pretreatment unit device is simple, puts into low, and maintenance cost is low, and floor space is little, it is simple to promote the use.
Specifically, it is provided with the first valve 17 between described decrement upgrading unit and described outside recycling equipment 6, described decrement upgrading unit and described electrodialyzer 7 are provided with the second valve 18, described decrement upgrading unit and described second level reverse osmosis apparatus 8 are provided with the 3rd valve 19, described first valve 17, second valve 18 and the 3rd valve 19 all have controller (not shown on figure) to control its folding, therefore, this utility model system may be designed to Automatic Control, easy to maintenance, and this technique back segment is that full embrane method processes, floor space is little, its electrodialyzer technology used, influent quality is required low, but cycles of concentration is high, total dissolved solidss can be concentrated into 20～240,000 mg/L, make later crystallization device operating load low.
Should be noted that, this utility model cartridge filter 4 belongs to accurate filter, its operation principle is that the hole utilizing PP filter element 5 μm carries out mechanical filter, the trace suspension granule of remaining, colloid, microorganism etc. in water, it is trapped or adsorbs in cartridge surface and hole, there is the advantage that efficiency is high, resistance is little, be conveniently replaceable.
As it is shown in figure 1, also set up one between described pretreatment unit and described filter element for collecting the middle tank 14 of pretreatment unit filtrate.The filtering trough 15 flowing out filtrate for collecting Weak Acid Ion exchange column 3 it is provided with between described Weak Acid Ion exchange column 3 and cartridge filter 4.It is provided with between described sea-water reverse osmose apparatus 5 and second level reverse osmosis apparatus 8 for collecting the reverse osmosis water tank 16 through the filtered filtrate of sea-water reverse osmose apparatus 5.The above-mentioned filtrate being provided with beneficially buffering previous step technique, is that follow-up equipment filters utilization rate height, and filter effect is efficient.
During utility model works, desulfurization wastewater removes bulky grain float etc. through preliminary sedimentation tank 1, water outlet can use transport pump to pretreatment unit, pretreatment unit includes pH adjustment tank 10, reactive tank 11, flocculation tank 12 and stillpot 13, the filtrate flowed out through described preliminary sedimentation tank 1 reconciles pH value to zone of reasonableness through pH adjustment tank 10 by Calx, the most reacted groove 11 reacts with metal ion, generation hydroxide precipitation is mainly reacted with the heavy metal in water and calcium ions and magnesium ions, react with flocculant through flocculation tank 12 again, last at the stillpot 13 settlement separate deposit of defecator.Precipitating sludge sludge delivery pump (not shown on figure) is transported to outward transport landfill after dewatering system (not shown on figure) mummification, and supernatant removes most float in water through tube type filter membrance device 2 after middle tank 14 is accumulated.The water leached by tube type filter membrance device 2 enters Weak Acid Ion exchange column 3 and separates monovalence and divalent ion, and product water anion is based on chloride ion, and dense water anion is based on sulfate ion.Waste water after the filtration of above-mentioned preprocessed unit or the waste water after Weak Acid Ion exchange column 3 filtration are concentrated by sea-water reverse osmose apparatus 5, the filtrate flowed out through sea-water reverse osmose apparatus (being also SWRO device) 5 divides three tunnels, one tunnel is delivered to outside recycling equipment 6, another road flow to electrodialyzer (being also ED equipment) 7 and crystallizes into salt, also first can flow to electrodialyzer 7 again through nano filter membrance device 20, also a road is delivered to pure water recycling equipment 9 after flowing to second level reverse osmosis apparatus 8 desalination.Concentrate total dissolved solidss and can reach 20～240,000 mg/L.This technology investment cost is relatively low, operating cost is low, floor space is little, simple to operate, easy to maintenance, and use the electrodialyzer equipment of selectivity ionic membrane can be kept completely separate monovalence and divalent ion, therefore the dense water concentrated by electrodialyzer can prepare technical grade NaCl salt, as used bipolar membrane electrodialysis device equipment dense water can be prepared as hydrochloric acid and NaOH, as used electrolysis tech dense water can be prepared as sodium hypochlorite.
Therefore, by this utility model system appropriate design, the filtrate flowed out through sea-water reverse osmose apparatus can carry out post processing as required, integrate that cost of investment is low, operating cost is low, floor space is little, easy to maintenance, stable had superiority, crystal salt resource can be realized, maximize and reduce fixed-end forces amount or there is no solid waste, really realize desulfurization wastewater zero-emission.This utility model still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes of being formed, all falls within protection domain of the present utility model.
Claims (7)
1. a power plant desulfurization wastewater zero discharge water treatment system, it is characterized in that: include preliminary sedimentation tank (1), pretreatment unit, filter element and the decrement upgrading unit sequentially connected by pipeline, wherein, tube type filter membrance device (2) and the cartridge filter (4) that described filter element includes is sequentially passed through through described pretreatment unit filtrate out, and then it flow to decrement upgrading unit
Described decrement upgrading unit includes sea-water reverse osmose apparatus (5), the filtrate flowed out through sea-water reverse osmose apparatus (5) divides three tunnels, one tunnel is delivered to outside recycling equipment (6), another road flow to electrodialyzer (7) and crystallizes into salt, and also a road is delivered to pure water recycling equipment (9) after flowing to second level reverse osmosis apparatus (8) desalination.
A kind of power plant desulfurization wastewater zero discharge water treatment system the most according to claim 1, it is characterised in that: between described tube type filter membrance device (2) and cartridge filter (4), it is additionally provided with Weak Acid Ion exchange column (3).
A kind of power plant desulfurization wastewater zero discharge water treatment system the most according to claim 1, it is characterised in that: between sea-water reverse osmose apparatus (5) and electrodialyzer (7), it is additionally provided with nano filter membrance device (20).
A kind of power plant desulfurization wastewater zero discharge water treatment system the most according to claim 1, it is characterized in that: cross drainage after the sea-water reverse osmose apparatus (5) of described decrement upgrading unit concentrates, crystallizing into salt reconcentration through electrodialyzer (7) again, the described drainage concentration TDS that crosses reaches 200000～240000mg/L.
5. according to a kind of power plant desulfurization wastewater zero discharge water treatment system described in Claims 1-4 any one, it is characterized in that: described pretreatment unit is for simply softening pretreatment unit, including pH adjustment tank (10), reactive tank (11), flocculation tank (12) and stillpot (13), the filtrate flowed out through described preliminary sedimentation tank (1) reconciles pH value through pH adjustment tank (10), the most reacted groove (11) and the calcium ions and magnesium ions in water react generation calcium carbonate and magnesium hydrate precipitate, generation sulfide precipitation is reacted with heavy metal, react with flocculant through flocculation tank (12) again, last at stillpot (13) precipitation separation material.
6. according to a kind of power plant desulfurization wastewater zero discharge water treatment system described in Claims 1-4 any one, it is characterized in that: between described decrement upgrading unit and described outside recycling equipment (6), be provided with the first valve (17), described decrement upgrading unit and described electrodialyzer (7) are provided with the second valve (18), described decrement upgrading unit and described second level reverse osmosis apparatus (8) are provided with the 3rd valve (19), described first valve (17), second valve (18) and the 3rd valve (19) all have controller to control its folding.
A kind of power plant desulfurization wastewater zero discharge water treatment system the most according to claim 2, it is characterized in that: between described pretreatment unit and described filter element, also set up one for collecting the middle tank (14) of pretreatment unit filtrate, the filtering trough (15) flowing out filtrate for collecting Weak Acid Ion exchange column (3) it is provided with between described Weak Acid Ion exchange column (3) and cartridge filter (4), it is provided with between described sea-water reverse osmose apparatus (5) and second level reverse osmosis apparatus (8) for collecting the reverse osmosis water tank (16) through sea-water reverse osmose apparatus (5) filtered filtrate.
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| CN201620035218.5U CN205473098U (en) | 2016-01-14 | 2016-01-14 | Desulfurization waste water zero release water processing system of power plant |
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| CN201620035218.5U CN205473098U (en) | 2016-01-14 | 2016-01-14 | Desulfurization waste water zero release water processing system of power plant |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517606A (en) * | 2016-11-27 | 2017-03-22 | 杭州水处理技术研究开发中心有限公司 | Treating apparatus capable of realizing zero discharge of desulphurization wastewater from power plant |
| CN106517624A (en) * | 2016-11-02 | 2017-03-22 | 盛发环保科技（厦门）有限公司 | Multistage fluidized bed crystallization based desulfuration wastewater treatment method and system |
| CN110015779A (en) * | 2019-04-03 | 2019-07-16 | 哈尔滨工程大学 | Ship washes processing unit |
| CN110228890A (en) * | 2019-07-11 | 2019-09-13 | 哈尔滨锅炉厂有限责任公司 | A kind of device and its working method for desulfurization wastewater concentration decrement |
-
2016
- 2016-01-14 CN CN201620035218.5U patent/CN205473098U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517624A (en) * | 2016-11-02 | 2017-03-22 | 盛发环保科技（厦门）有限公司 | Multistage fluidized bed crystallization based desulfuration wastewater treatment method and system |
| CN106517624B (en) * | 2016-11-02 | 2023-06-06 | 盛发环保科技（厦门）有限公司 | Desulfurization wastewater treatment method and system based on multistage fluidized bed crystallization |
| CN106517606A (en) * | 2016-11-27 | 2017-03-22 | 杭州水处理技术研究开发中心有限公司 | Treating apparatus capable of realizing zero discharge of desulphurization wastewater from power plant |
| CN110015779A (en) * | 2019-04-03 | 2019-07-16 | 哈尔滨工程大学 | Ship washes processing unit |
| CN110015779B (en) * | 2019-04-03 | 2021-11-23 | 哈尔滨工程大学 | Ship washing wastewater treatment device |
| CN110228890A (en) * | 2019-07-11 | 2019-09-13 | 哈尔滨锅炉厂有限责任公司 | A kind of device and its working method for desulfurization wastewater concentration decrement |
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