CN105621767A - Garbage osmosis liquid reverse osmosis concentration treatment apparatus - Google Patents
Garbage osmosis liquid reverse osmosis concentration treatment apparatus Download PDFInfo
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- CN105621767A CN105621767A CN201410579573.4A CN201410579573A CN105621767A CN 105621767 A CN105621767 A CN 105621767A CN 201410579573 A CN201410579573 A CN 201410579573A CN 105621767 A CN105621767 A CN 105621767A
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- switching valve
- preheater
- heater
- standby
- steam
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- 239000007788 liquid Substances 0.000 title abstract description 28
- 238000001223 reverse osmosis Methods 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000007872 degassing Methods 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 25
- 238000004140 cleaning Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 6
- 239000011365 complex material Substances 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000005406 washing Methods 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract 2
- 238000001704 evaporation Methods 0.000 description 11
- 230000008020 evaporation Effects 0.000 description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 239000006200 vaporizer Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000004094 preconcentration Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention discloses a garbage osmosis liquid reverse osmosis concentration treatment apparatus, which comprises a material conveying device, wherein the material conveying device is connected to a pre-heater, the pre-heater is connected to a washing liquid storage tank and a degassing tower, the washing liquid storage tank is connected to the pre-heater through a washing circulation pump and a switching valve 1, the other end f the pre-heater is connected to a steam water separator sequentially through a switching valve 10, a water discharge pump 1 and a condensed water tank 1, the steam water separator is connected to the degassing tower, the degassing tower is connected to a heater, the heater is connected to the steam water separator, the heater is connected to a steam compressor and an opening/closing valve, the steam compressor is connected to a separation chamber, the separation chamber is connected to the heater, the opening/closing valve is connected to a drying chamber, the drying chamber is connected to a vacuum pump and a condensed water tank 2 through a condenser, the vacuum pump and the condensed water tank 2 are connected in parallel, and the condensed water tank 2 is connected to a water discharge pump 2. According to the present invention, with the garbage osmosis liquid reverse osmosis concentration treatment apparatus, the problems of high clogging frequency, short washing period and high water content in the concentrated liquid of the use of the MVR evaporator in the garbage osmosis liquid treatment are effectively solved.
Description
Technical field
The present invention relates to the process field of refuse leachate, particularly relate to the process device of a kind of refuse leachate reversed osmosis concn.
Background technology
At present, the refuse leachate former water after a series of process techniques, all can through the dope after pre-concentration, concentration, great majority are all the mode decrements adopting evaporation; And the evaporation equipment being often used has multi-effect evaporator, MVR (mechanicalvaporrecompression) vaporizer, this is wherein owing to MVR vaporizer is very energy-conservation, greatly reduce the cost processing refuse leachate and be widely used, but there is many defects in existing MVR vaporizer, more problems in actual production, traced it to its cause following some:
Owing to containing substantial amounts of calcium ions and magnesium ions and very high COD (ChemicalOxygenDemand) COD etc. in refuse leachate, if not taking rational measure, these become branches to cause evaporation equipment fouling and clogging; The frequency very fast (being typically in 2-4 days) that this blocking occurs, in a short time will Severe blockage equipment, especially heat transmission equipment; cause equipment cannot continuous production, the evaporation equipment after blocking, it is necessary to stop cleaning; after fouling body is removed, just can be continuing with.
Concentration rate additionally, due to current evaporation equipment has limitation so that the concentrated solution concentration after evaporation is not as high, moisture content more (generally >=50%), is unfavorable for transport, landfill etc.
In a word, domestic current refuse leachate dope processes equipment and technique existing defects, it is impossible to good, continuous print processes this material, causes many inconvenience and loss to user, brings infringement also to the environmental conservation of country.
For the problem in correlation technique, effective solution is not yet proposed at present.
Summary of the invention
For the problem in correlation technique, the present invention proposes the process device of a kind of refuse leachate reversed osmosis concn, effective solve existing MVR vaporizer to be used for processing refuse leachate blocking frequency high, and the cleaning frequency is short, the problem that the moisture content of concentrated solution is high.
The technical scheme is that and be achieved in that:
According to the process device that the invention provides a kind of refuse leachate reversed osmosis concn, including device for transporting objects, described device for transporting objects connects preheater by switching valve two, described preheater is connected to cleaning mixture storage tank and degassing tower by switching valve five and switching valve six, described cleaning mixture storage tank passes sequentially through clean cycle pump and is connected with described preheater with switching valve one, the other end of described preheater passes sequentially through switching valve ten, draining pump one and condensate water pot one are connected to steam-water separator, described steam-water separator is connected with described degassing tower, described degassing tower connects the lower end import of heater by forced circulation pump, and the lower end outlet of described heater is connected with steam-water separator, the upper end import of described heater is connected to vapour compression machine and controlled valve, described vapour compression machine connects separation chamber, and described separation chamber is connected with the upper end outlet of described heater, described controlled valve connects hothouse, described hothouse is connected to the vacuum pump being in parallel and condensate water pot two by condenser, described condensate water pot two is connected to draining pump two.
Further, the process device of described refuse leachate reversed osmosis concn also includes standby preheater, described standby preheater and preheater are in parallel, described standby preheater is by switching valve three junctional complex material conveying device, and described standby preheater is connected to cleaning mixture storage tank and degassing tower by switching valve seven and switching valve eight, described cleaning mixture storage tank passes sequentially through clean cycle pump and is connected with described standby preheater with switching valve four, the other end of described standby preheater passes sequentially through switching valve nine, draining pump one is connected with steam-water separator with condensate water pot one.
Further, described hothouse is connected to agitator.
Further, described preheater and standby preheater are equipped with distilled water discharge port.
Further, described degassing tower is provided with fixed gas discharge port.
Beneficial effects of the present invention: it is high that the existing MVR vaporizer of effective solution is used for processing refuse leachate blocking frequency, cleaning frequency is short, the problem that the moisture content of concentrated solution is high, and has effectively saved the energy, decrease production cost, be conducive to popularization and the application in market.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation processing device of a kind of refuse leachate reversed osmosis concn described according to embodiments of the present invention.
In figure:
1, cleaning mixture storage tank; 2, clean cycle pump; 3, switching valve one; 4, switching valve two; 5, switching valve three; 6, switching valve four; 7, switching valve five; 8, switching valve six; 9, switching valve seven; 10, switching valve eight; 11, switching valve nine; 12, switching valve ten; 13, draining pump one; 14, preheater; 15, standby preheater; 16, condensate water pot one; 17, heater; 18, steam-water separator; 19, degassing tower; 20, separation chamber; 21, vapour compression machine; 22, forced circulation pump; 23, discharging pump; 24, agitator; 25, condenser; 26, hothouse; 27, condensate water pot two; 28, draining pump two; 29, vacuum pump; 30, controlled valve.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain, broadly fall into the scope of protection of the invention.
According to embodiments of the invention, it is provided that the process device of a kind of refuse leachate reversed osmosis concn.
As shown in Figure 1, the process device of a kind of refuse leachate reversed osmosis concn according to embodiments of the present invention, including device for transporting objects, described device for transporting objects connects preheater 14 by switching valve 24, described preheater 14 is connected to cleaning mixture storage tank 1 and degassing tower 19 by switching valve 57 and switching valve 68, described cleaning mixture storage tank 1 passes sequentially through clean cycle pump 2 and is connected with described preheater 14 with switching valve 1, the other end of described preheater 14 passes sequentially through switching valve 10, draining pump 1 and condensate water pot 1 are connected to steam-water separator 18, described steam-water separator 18 is connected with described degassing tower 19, described degassing tower 19 connects the lower end import of heater 17 by forced circulation pump 22, and the lower end outlet of described heater 17 is connected with steam-water separator 18, the upper end import of described heater 17 is connected to vapour compression machine 21 and controlled valve 30, described vapour compression machine 21 connects separation chamber 20, and described separation chamber 20 is connected with the upper end outlet of described heater 17, described controlled valve 30 connects hothouse 26, described hothouse 26 is connected to, by condenser 25, the vacuum pump 29 and condensate water pot 2 27 that are in parallel, described condensate water pot 2 27 is connected to draining pump 2 28.
The process device of described refuse leachate reversed osmosis concn also includes standby preheater 15, described standby preheater 15 is in parallel with preheater 14, described standby preheater 15 is by switching valve 35 junctional complex material conveying device, and described standby preheater 15 is connected to cleaning mixture storage tank 1 and degassing tower 19 by switching valve 79 and switching valve 8 10, described cleaning mixture storage tank 1 passes sequentially through clean cycle pump 2 and is connected with described standby preheater 15 with switching valve 46, the other end of described standby preheater 15 passes sequentially through switching valve 9 11, draining pump 1 is connected with steam-water separator 18 with condensate water pot 1.
Described hothouse 26 is connected to agitator 24; Described preheater 14 and standby preheater 15 are equipped with distilled water discharge port; Described degassing tower 19 is provided with fixed gas discharge port.
Time specifically used, described clean cycle pump 2, draining pump 1, discharging pump 23 and draining pump 2 28 are chemical centrifugal pump; Described preheater 14 and standby preheater 15 are plate type heat exchanger, GB: GB16409-1996, and described preheater 14 and the primary and backup each other relation of standby preheater 15; Described cleaning mixture storage tank 1 is PP non-pressure vessel; Described switching valve 1 all adopts manually-operated gate or automatic valve to switching valve 10 and controlled valve 30; Described condensate water pot 16, steam-water separator 18, separation chamber 20, hothouse 26 and condensate water pot 2 27 are steel chemical industry non-pressure vessel, and, described condensate water pot 16 and separation chamber 20 be heat-insulation layer all in addition; Described heater 17 is plate type heat exchanger or the tubular heat exchanger of special version type; Described degassing tower 19 is fiberglass or steel normal pressure tower, and built-in Multi-layer sprinkling dish; Described vapour compression machine 21 is steam lobed rotor compressor or centrifugal compressor; Described forced circulation pump 22 adopts chemical mixed-flow pump; Described agitator 24 is the agitator with scraper; Described condenser 25 is plate type heat exchanger or tubular heat exchanger; Described vacuum pump 29 is water-ring vacuum pump.
During specific works, feeding preheating method one: the pending feed liquid of refuse leachate, enter in described preheater 14 by the switching valve 24 opened and switching valve 68, now close switching valve 35 and switching valve 8 10, carrying, subsequently into the feed liquid in 14 preheaters and draining pump 1, the evaporation condensed water heat exchange of coming, now described switching valve 1 is opened, and described switching valve 46 cuts out, then open switching valve 10, close switching valve 9 11; Now described preheater 14 is use state, and described standby preheater 15 is standby, it is possible to it is carried out or safeguards.
Feeding preheating method two: the pending feed liquid of refuse leachate, enter in described standby preheater 15 by the switching valve 35 opened and switching valve 8 10, now close switching valve 24 and switching valve 68, the evaporation condensed water heat exchange of coming is carried subsequently into the feed liquid in 15 standby preheaters and draining pump 1, now described switching valve 1 cuts out, and described switching valve 46 is opened; Then open switching valve 9 11, close switching valve 10. Now described standby preheater 15 is the state used, the state that described preheater 14 is standby, it is possible to it is carried out or safeguards.
After the preheated device of charging 14 or standby preheater 15 preheating, feed liquid enters degassing tower 19, flash liberation is carried out with moisture trap 18 fixed gas out, at the pipeline entering forced circulation pump 22 entrance point, feed liquid is in the material side of heater 17, then into the lower end of separation chamber 20, circulate 22 evaporations by forced circulation pump; The indirect steam that evaporation produces ascends into vapour compression machine 21, indirect steam is compressed by described vapour compression machine 21, its enthalpy is made to increase, temperature rises, high temperature secondary steam after compression enters the steam side of heater 17, material is heated, and the feed liquid that concentration tentatively improves is sent to hothouse 26 by discharging pump 23.
Described hothouse 26 connects vacuum pump 29 by condenser 25, the Pressure Drop of condenser 25 and hothouse 26 intracavity is low to moderate about absolute pressure 8kPa, the actual boiling point of intracavity steam is made to only have about 41 DEG C, the feed liquid of 95 DEG C can flash off part steam by rapid vaporization, the indirect steam flashed off enters condenser 25, recirculated cooling water cooling is utilized to make it condense, condensed water enters condensate water pot 2 27, discharged by draining pump 2 28, feed liquid then can ceaselessly be stirred by described agitator 24, when final concentrated solution concentration reaches requirement, close vacuum pump 29, concentrated solution is made to discharge from the discharging opening of hothouse 26.
This device adds equipment switching valve 24, switching valve 35, switching valve 68, switching valve 8 10, switching valve 9 11, switching valve 10 and standby preheater 15 in existing technique, and described standby preheater 15 and preheater 14 connect side by side, and one to open one standby; When needs use preheater 14, open switching valve 24 and switching valve 68, close switching valve 35 and switching valve 8 10, make feed liquid only through 14 preheaters, when needs use standby preheater 15, open switching valve 35 and switching valve 8 10, close switching valve 24 and switching valve 68, make feed liquid only through standby preheater 15, the preheater being not used, to be cleaned by, and so ensure that system front end has at least a preheating channel to use, effectively extend the production technology continuous working period.
Additionally, this device also add equipment for washing liquid storage tank 1, clean cycle pump 2, switching valve 1, switching valve 46, switching valve 57, switching valve 79, when preheater 14 uses, close switching valve 1 and switching valve 57, open switching valve 46 and switching valve 79, open clean cycle pump 2, cleanout fluid can be sent into standby preheater 15 from switching valve 46, standby preheater 15 fouling body is carried out, then leaves from switching valve 79, return cleaning mixture storage tank 1.
When standby preheater 15 uses, close switching valve 46 and switching valve 79, open switching valve 1 and switching valve 57, open clean cycle pump 2, cleanout fluid can be sent into preheater 14 from switching valve 1, preheater 14 fouling body is carried out, then leaves from switching valve 57, return cleaning mixture storage tank 1.
In addition, this device also add equipment degassing tower 19, owing to refuse leachate feed liquid containing substantial amounts of air, this is content carbon dioxide wherein, it can form calcium carbonate with the calcium ion in refuse leachate feed liquid, and calcium carbonate scaling body is often difficult to clean, remove, equipment heater 17 steam side in use can accumulation fixed gas, equipment moisture trap 1 is utilized to be separated by fixed gas, fixed gas access arrangement degassing tower 19 lower end side, fixed gas rises, contact with the feed liquid declined in the tower body of degassing tower 19, gas-liquid phase equilibrium in feed liquid is broken, carbon dioxide shifts to fixed gas, most of carbon dioxides are taken out of by final fixed gas from tower top air vent, make heater 17 substantially without forming calcium carbonate scaling body, substantially prolongs the cleaning frequency.
Finally, this device adds agitator 24, condenser 25, hothouse 26, condensate water pot 2 27, draining pump 2 28, vacuum pump 29 and controlled valve 30, after the MVR vaporising device evaporation of front end, feed concentration improves, feed liquid moisture content is about about 50%, feed temperature about 95 DEG C, it is sent to hothouse 26 through discharging pump 23, by vacuum pump 29, the Pressure Drop of condenser 25 and hothouse 26 intracavity is low to moderate about absolute pressure 8kPa, making the actual boiling point of intracavity steam only have about 41 DEG C, the feed liquid of 95 DEG C can flash off part steam by rapid vaporization. The indirect steam flashed off enters condenser 25, recirculated cooling water is utilized to cool down, condensed water enters gas-liquid separator 2 27, discharged by draining pump 2 28, feed liquid then can ceaselessly be stirred by agitator 24, it is made to be linked together, the inwall of hothouse 26 is scraped by the scraper in stirring simultaneously, the thickness making schmutzband does not increase, if the feed concentration after flash distillation does not also reach requirement, it is possible to open controlled valve 30, introduce in the chuck that a small amount of steam enters hothouse 26, feed liquid is heated so that it is concentration improves further.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (5)
1. the process device of a refuse leachate reversed osmosis concn, including device for transporting objects, it is characterized in that: described device for transporting objects connects preheater (14) by switching valve two (4), described preheater (14) is connected to cleaning mixture storage tank (1) and degassing tower (19) by switching valve five (7) and switching valve six (8), described cleaning mixture storage tank (1) passes sequentially through clean cycle pump (2) and is connected with described preheater (14) with switching valve one (3), the other end of described preheater (14) passes sequentially through switching valve ten (12), draining pump one (13) and condensate water pot one (16) are connected to steam-water separator (18), described steam-water separator (18) is connected with described degassing tower (19), described degassing tower (19) connects the lower end import of heater (17) by forced circulation pump (22), and the lower end outlet of described heater (17) is connected with steam-water separator (18), the upper end import of described heater (17) is connected to vapour compression machine (21) and controlled valve (30), described vapour compression machine (21) connects separation chamber (20), and described separation chamber (20) are connected with the upper end outlet of described heater (17), described controlled valve (30) connects hothouse (26), described hothouse (26) is connected to the vacuum pump (29) being in parallel and condensate water pot two (27) by condenser (25), described condensate water pot two (27) is connected to draining pump two (28).
2. the process device of refuse leachate reversed osmosis concn according to claim 1, it is characterized in that, the process device of described refuse leachate reversed osmosis concn also includes standby preheater (15), described standby preheater (15) and preheater (14) are in parallel, described standby preheater (15) is by switching valve three (5) junctional complex material conveying device, and described standby preheater (15) is connected to cleaning mixture storage tank (1) and degassing tower (19) by switching valve seven (9) and switching valve eight (10), described cleaning mixture storage tank (1) passes sequentially through clean cycle pump (2) and is connected with described standby preheater (15) with switching valve four (6), the other end of described standby preheater (15) passes sequentially through switching valve nine (11), draining pump one (13) is connected with steam-water separator (18) with condensate water pot one (16).
3. the process device of refuse leachate reversed osmosis concn according to claim 2, it is characterised in that described hothouse (26) is connected to agitator (24).
4. the process device of the refuse leachate reversed osmosis concn according to Claims 2 or 3, it is characterised in that described preheater (14) and standby preheater (15) are equipped with distilled water discharge port.
5. the process device of the refuse leachate reversed osmosis concn according to Claims 2 or 3, it is characterised in that described degassing tower (19) is provided with fixed gas discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579573.4A CN105621767A (en) | 2014-10-27 | 2014-10-27 | Garbage osmosis liquid reverse osmosis concentration treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579573.4A CN105621767A (en) | 2014-10-27 | 2014-10-27 | Garbage osmosis liquid reverse osmosis concentration treatment apparatus |
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| CN105621767A true CN105621767A (en) | 2016-06-01 |
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| CN201410579573.4A Pending CN105621767A (en) | 2014-10-27 | 2014-10-27 | Garbage osmosis liquid reverse osmosis concentration treatment apparatus |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503012A (en) * | 2011-11-04 | 2012-06-20 | 北京中科通用能源环保有限责任公司 | Method for treating membrane concentrated liquor of landfill leachate |
| CN103910399A (en) * | 2014-04-22 | 2014-07-09 | 东南大学 | Garbage leachate treatment system |
| CN104075551A (en) * | 2014-07-24 | 2014-10-01 | 北京旭日清风科技有限公司 | Circulation drying device for water-containing solid material |
| CN204174031U (en) * | 2014-10-27 | 2015-02-25 | 北京春景辉节能环保科技有限公司 | The treatment unit of refuse leachate reverse osmosis dope |
-
2014
- 2014-10-27 CN CN201410579573.4A patent/CN105621767A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503012A (en) * | 2011-11-04 | 2012-06-20 | 北京中科通用能源环保有限责任公司 | Method for treating membrane concentrated liquor of landfill leachate |
| CN103910399A (en) * | 2014-04-22 | 2014-07-09 | 东南大学 | Garbage leachate treatment system |
| CN104075551A (en) * | 2014-07-24 | 2014-10-01 | 北京旭日清风科技有限公司 | Circulation drying device for water-containing solid material |
| CN204174031U (en) * | 2014-10-27 | 2015-02-25 | 北京春景辉节能环保科技有限公司 | The treatment unit of refuse leachate reverse osmosis dope |
Non-Patent Citations (1)
| Title |
|---|
| 许兴炜, 燃料化学工业出版社 * |
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