CN202744415U - Landfill leachate treatment device - Google Patents
Landfill leachate treatment device Download PDFInfo
- Publication number
- CN202744415U CN202744415U CN 201220407769 CN201220407769U CN202744415U CN 202744415 U CN202744415 U CN 202744415U CN 201220407769 CN201220407769 CN 201220407769 CN 201220407769 U CN201220407769 U CN 201220407769U CN 202744415 U CN202744415 U CN 202744415U
- Authority
- CN
- China
- Prior art keywords
- outlet
- vacuum evaporator
- pipeline
- treatment device
- condensable gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to the field of water treatment, in particular to a landfill leachate treating device. The landfill leachate treating device comprises a pre-treating device (100), a main treating device (200) and a reverse osmosis unit (1), wherein the pre-treating device (100) is used for filtering and heating original fluid, the main treating device (200) is used for filtering fluid which is formed after the original fluid is filtered and heated, and the reverse osmosis unit is used for carrying out advanced treatment to waste water which is obtained after the fluid is treated by the main treating device (200). The pre-treating device (100) is communicated with the main treating device (200), the main treating device (200) comprises a negative-pressure evaporator (2) which is used to acquire the fluid which is formed after the original fluid is filtered and heated in the pre-treating device (100) and separate the fluid to obtain secondary steam and concentrated liquid, a secondary steam outlet is arranged on the negative-pressure evaporator (2), and the secondary steam outlet is connected with a compressor (3) through a pipeline. According to the landfill leachate treating device, the supplement amount of steam is reduced, energy is saved, and the occurrence probability of secondary pollution is lowered.
Description
Technical field
The utility model relates to water treatment field, particularly a kind of garbage leachate treatment device.
Background technology
Because the property complicated and changeable of the leachate quality water yield, Chinese scholars has been carried out a large amount of explorations and research with regard to the processing of percolate in recent ten years, some successful experiences have been obtained, but there is no at present very perfect treatment process and treatment unit, particular case and other economic technology according to different landfill yards requires to take targetedly treatment process mostly.
China's sanitary landfill is started late, and mainly so that ammonia stripping+anaerobism+aerobic running cost is higher as main, water outlet generally can only reach the percolate grade III Standard to the processing of percolate.And some technological deficiencies of the existence of above-mentioned method:
(1) carbon source is not enough in the waste water, need add the organic carbons such as methyl alcohol, has increased the difficulty of working cost and operational management;
(2) ammonia nitrogen of high density has certain restraining effect to biological treatment system;
(3) ammonia nitrogen in high density in the water inlet and nitrite suppress nitrifying process;
(4) need to add in a large number the alkali neutralization, increase processing costs, might cause secondary pollution;
(5) system's total hrt is longer, and organic loading is lower, has increased initial cost and working cost.
Summary of the invention
In order to overcome above-mentioned technical problem, the purpose of this utility model is to provide the garbage leachate treatment device of a kind of low cost, low secondary pollution.
The technical scheme that the utility model adopts is:
A kind of garbage leachate treatment device, comprise for stoste and filter the pretreatment unit that heats up, for the treatment of the primary processing unit that filters the rear stoste that heats up, be used for the waste water after the primary processing unit processing is carried out the reverse osmosis unit of advanced treatment, described pretreatment unit is communicated to primary processing unit, described primary processing unit comprises that obtaining the stoste that heats up after filtering from pretreatment unit also isolates secondary steam with this stoste, the vacuum evaporator of concentrated solution, described vacuum evaporator is provided with the secondary steam outlet, described secondary steam outlet is connected with for being transmitted back to vaporizer as heating source after the secondary steam increasing temperature and pressure and making secondary steam be condensed into the compressor of distilled water and non-condensable gas by pipeline, described vacuum evaporator is provided with the non-condensable gas outlet, described non-condensable gas outlet is connected with the vacuum system of taking out negative pressure for vacuum evaporator by pipeline, described vacuum evaporator is provided with distilled water outlet and concentrated solution outlet, and described distilled water outlet is communicated in the reverse osmosis unit.
As further improvement of the utility model, described pretreatment unit comprises along the strainer of water (flow) direction setting and is used for the interchanger I that stoste heats up, described interchanger I connection vacuum evaporator.
As further improvement of the utility model, described reverse osmosis unit is provided with the dope outlet and is used for the thin liquid outlet of qualified discharge, before described thin liquid outlet is connected to pretreatment unit by pipeline.
As further improvement of the utility model, described primary processing unit comprises condensate water pot, the water inlet of described condensate water pot directly connects the distilled water outlet of vacuum evaporator, the water outlet of described condensate water pot is communicated to the interchanger I, described interchanger I is communicated with strainer and vacuum evaporator, and condensate water pot and reverse osmosis unit are communicated with.
As further improvement of the utility model, described primary processing unit comprises concentrated liquid pool, and described concentrated solution outlet is connected in the concentrated liquid pool by pipeline, and the connecting tube of described concentrated solution outlet and concentrated liquid pool is provided with the interchanger II for the concentrated solution cooling.
As further improvement of the utility model, described vacuum system comprises for the spray column of removing non-condensable gas, the entrance of described spray column is connected by pipeline with the outlet of the non-condensable gas of vacuum evaporator, and the outlet of described spray column is connected with the vacuum pump of taking out negative pressure for vacuum evaporator by pipeline.
As further improvement of the utility model, described non-condensable gas outlet is provided with the interchanger III of lowering the temperature for non-condensable gas with the connecting tube of vacuum system.
As further improvement of the utility model, described vacuum evaporator is provided with steam compensation entrance, and described steam compensation entrance is connected with the steam compensation system by pipeline.
The beneficial effects of the utility model are: the utility model is processed waste water with vacuum evaporator, by the moisture content in the evaporation separation waste water, improve the solid content after fixing landfill of waste water, and use reverse-osmosis treated distilled water and reclaim non-condensable gas after the waste water condensation distillation to evaporation, and by the mechanically compress processing to secondary steam, make it be applied to once again the heating of vaporizer, to reduce the magnitude of recruitment of steam, energy efficient, process costs and running cost have been reduced, the utility model need not to use in a large number soda acid in addition, has reduced the occurrence probability of secondary pollution.
Description of drawings
Below in conjunction with drawings and embodiments the utility model is further specified.
Fig. 1 is schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, a kind of garbage leachate treatment device, comprise the pretreatment unit 100 that filter to heat up for stoste, for the treatment of filter heat up after the primary processing unit 200, the reverse osmosis unit 1 that waste water after being used for primary processing unit 200 processed carries out advanced treatment of stoste.Pretreatment unit 100 is communicated to primary processing unit 200, and primary processing unit 200 comprises the vacuum evaporator 2 that obtains the stoste after filtration heats up from pretreatment unit 100.The stoste that this vacuum evaporator 2 will filter after heating up by the technology of low-temperature negative-pressure is isolated secondary steam and concentrated solution.Vacuum evaporator 2 is provided with secondary steam outlet, and the secondary steam outlet is connected with compressor 3 by pipeline, makes secondary steam be condensed into the compressor 3 of distilled water and non-condensable gas thereby this compressor 3 is transmitted back to vaporizer as heating source after with the secondary steam increasing temperature and pressure.Vacuum evaporator 2 is provided with the non-condensable gas outlet, and the non-condensable gas outlet is connected with vacuum system 300 by pipeline, and this vacuum system 300 is used for vacuum evaporator 2 and takes out negative pressure, thereby reduces the boiling point of water, when vacuumizing non-condensable gas is also extracted.Vacuum evaporator 2 is provided with distilled water outlet and concentrated solution outlet, and distilled water outlet is communicated in the reverse osmosis unit 1.
In the present embodiment, pretreatment unit 100 comprises strainer 4 and the interchanger I 5 that arranges along water (flow) direction, the intensification of the stoste after interchanger I 5 is used for filtering, and interchanger I 5 is communicated with vacuum evaporator 2, flows into vacuum evaporator 2 after stoste heats up.
In the present embodiment, described reverse osmosis unit 1 is provided with the dope outlet and is used for the thin liquid outlet of qualified discharge, before described thin liquid outlet is connected to pretreatment unit 100 by pipeline.
In the present embodiment, primary processing unit 200 comprises condensate water pot 6, the water inlet of condensate water pot 6 directly connects the distilled water outlet of vacuum evaporator 2, the water outlet of condensate water pot 6 is communicated to interchanger I 5, interchanger I 5 is communicated with strainer 4 and vacuum evaporator 2, and condensate water pot 6 and reverse osmosis unit 1 are communicated with.Because temperature is still higher after the distilled water condensation, with filter after the stoste heat exchange after, both reached the purpose of distilled water cooling, reached again the purpose that stoste heats up.
In the present embodiment, primary processing unit 200 comprises concentrated liquid pool 7, and concentrated solution outlet is connected in the concentrated liquid pool 7 by pipeline, and the connecting tube of concentrated solution outlet and concentrated liquid pool 7 is provided with the interchanger II 8 for the concentrated solution cooling.After the concentrated solution with concentrated liquid pool 7 storage high densitys, again with the concentrated solution solidify ﹠ bury.
In the present embodiment, vacuum system 300 comprises the spray column 9 for the removal non-condensable gas, and the entrance of spray column 9 is connected by pipeline with the outlet of the non-condensable gas of vaporizer, and the outlet of spray column 9 is connected with the vacuum pump 10 of taking out negative pressure for vacuum evaporator 2 by pipeline.Non-condensable gas is mainly ammonia, after entering spray column 9, absorbs rear the discharge with acid.
In the present embodiment, the non-condensable gas outlet is provided with the interchanger III 11 of lowering the temperature for non-condensable gas with the connecting tube of vacuum system 300.
In the present embodiment, vacuum evaporator 2 is provided with steam compensation entrance, and steam compensation entrance is connected with steam compensation system 12 by pipeline.When whole device started, steam compensation system 12 inside added thermogenesis steam, and passing into provides heat to make the startup energy of vaporizer in the vacuum evaporator 2, in addition, at the device run duration, suitably were the required steam of vacuum evaporator 2 supplementary heatings.
The whole treatment scheme of the present embodiment is such:
Waste water is taken out to rise to and is entered interchanger I 5 heat exchange intensification after strainer 4 filters, and enters vacuum evaporator 2 again.Under the effect that vacuumizes of vacuum pump 10, vacuum evaporator 2 interior formation negative pressure, the boiling point lowering of water, waste water are separated into secondary steam and concentrated solution.The secondary steam that produces returns vacuum evaporator 2 heating after by compressor 3 increasing temperature and pressure, and condensation separation is non-condensable gas and distilled water.Concentrated solution enters concentrated liquid pool 7 after 8 heat exchange are lowered the temperature through the interchanger II, is cured landfill again; After entering interchanger I 5 heat exchange cooling after distilled water is collected with condensate water pot 6, pass into reverse osmosis unit 1 and process, the thin liquid that deals discharges or uses, and the dope that deals returns pretreatment unit 100 front circular treatment; Non-condensable gas enters spray column 9 by the suction of vacuum pump 10, and non-condensable gas is inhaled by acid and processed in tower, both can directly collect landfill, also can enter in the concentrated liquid pool 7 with the concentrated solution solidify ﹠ bury.
This device has outstanding treatment effect equally to the waste water of the high organic pollutant of high ammonia nitrogen except can the treating refuse percolate.
The above be the utility model preferred embodiment, it does not consist of the restriction to the utility model protection domain.
Claims (8)
1. garbage leachate treatment device, it is characterized in that: comprise for stoste and filter the pretreatment unit (100) that heats up, for the treatment of the primary processing unit (200) that filters the rear stoste that heats up, be used for the waste water after primary processing unit (200) processing is carried out the reverse osmosis unit (1) of advanced treatment, described pretreatment unit (100) is communicated to primary processing unit (200), described primary processing unit (200) comprises that obtaining the stoste of filtering after heating up from pretreatment unit (100) also isolates secondary steam with this stoste, the vacuum evaporator of concentrated solution (2), described vacuum evaporator (2) is provided with the secondary steam outlet, described secondary steam outlet is connected with for being transmitted back to vacuum evaporator (2) as heating source after the secondary steam increasing temperature and pressure and making secondary steam be condensed into the compressor (3) of distilled water and non-condensable gas by pipeline, described vacuum evaporator (2) is provided with the non-condensable gas outlet, described non-condensable gas outlet is connected with the vacuum system (300) of taking out negative pressure for vacuum evaporator (2) by pipeline, described vacuum evaporator (2) is provided with distilled water outlet and concentrated solution outlet, and described distilled water outlet is communicated in the reverse osmosis unit (1).
2. garbage leachate treatment device according to claim 1, it is characterized in that: described pretreatment unit (100) comprises along the strainer (4) of water (flow) direction setting and is used for the interchanger I (5) that stoste heats up, described interchanger I (5) connection vacuum evaporator (2).
3. garbage leachate treatment device according to claim 1 and 2 is characterized in that: described reverse osmosis unit (1) is provided with the dope outlet and is used for the thin liquid outlet of qualified discharge, and it is front that described thin liquid outlet is connected to pretreatment unit (100) by pipeline.
4. garbage leachate treatment device according to claim 2, it is characterized in that: described primary processing unit (200) comprises condensate water pot (6), the water inlet of described condensate water pot (6) directly connects the distilled water outlet of vacuum evaporator (2), the water outlet of described condensate water pot (6) is communicated to interchanger I (5), described interchanger I (5) is communicated with strainer (4) and vacuum evaporator (2), and condensate water pot (6) and reverse osmosis unit (1) are communicated with.
5. garbage leachate treatment device according to claim 1, it is characterized in that: described primary processing unit (200) comprises concentrated liquid pool (7), described concentrated solution outlet is connected in the concentrated liquid pool (7) by pipeline, and the connecting tube of described concentrated solution outlet and concentrated liquid pool (7) is provided with the interchanger II (8) for the concentrated solution cooling.
6. garbage leachate treatment device according to claim 1 or 5, it is characterized in that: described vacuum system (300) comprises for the spray column (9) of removing non-condensable gas, the entrance of described spray column (9) is connected by pipeline with the non-condensable gas outlet of vacuum evaporator (2), and the outlet of described spray column (9) is connected with the vacuum pump (10) of taking out negative pressure for vacuum evaporator (2) by pipeline.
7. garbage leachate treatment device according to claim 1 or 5 is characterized in that: the connecting tube of described non-condensable gas outlet and vacuum system (300) is provided with the interchanger III (11) for the non-condensable gas cooling.
8. garbage leachate treatment device according to claim 1 is characterized in that: described vacuum evaporator (2) is provided with steam compensation entrance, and described steam compensation entrance is connected with steam compensation system (12) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407769 CN202744415U (en) | 2012-08-16 | 2012-08-16 | Landfill leachate treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407769 CN202744415U (en) | 2012-08-16 | 2012-08-16 | Landfill leachate treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202744415U true CN202744415U (en) | 2013-02-20 |
Family
ID=47703844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220407769 Expired - Lifetime CN202744415U (en) | 2012-08-16 | 2012-08-16 | Landfill leachate treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202744415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316890A (en) * | 2013-06-05 | 2013-09-25 | 胜利油田胜利动力机械集团有限公司 | Biomass negative pressure degradation pretreatment device |
| CN103910399A (en) * | 2014-04-22 | 2014-07-09 | 东南大学 | Garbage leachate treatment system |
-
2012
- 2012-08-16 CN CN 201220407769 patent/CN202744415U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316890A (en) * | 2013-06-05 | 2013-09-25 | 胜利油田胜利动力机械集团有限公司 | Biomass negative pressure degradation pretreatment device |
| CN103316890B (en) * | 2013-06-05 | 2015-07-29 | 胜利油田胜利动力机械集团有限公司 | Living beings negative pressure degradation pretreatment device |
| CN103910399A (en) * | 2014-04-22 | 2014-07-09 | 东南大学 | Garbage leachate treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102838244A (en) | Landfill leachate treatment process and device | |
| CN205740622U (en) | A kind of percolate coagulating sedimentation, evaporation joint processing system | |
| CN204588908U (en) | A kind of New-type refuse vehicle percolation liquid treating system | |
| CN102267890B (en) | Method for extracting and recovering acrylic acid from acrylic ester production wastewater | |
| CN204588901U (en) | A kind of garbage percolation liquid treating system | |
| CN104671313A (en) | Solar sea water desalination device | |
| CN106243068A (en) | A kind of method by coupling rectification purification of tetrahydrofuran | |
| CN106977409B (en) | A kind of separation method of triethylamine and water | |
| CN204224499U (en) | A kind of film produces the device that in waste liquid, N,N-DIMETHYLACETAMIDE reclaims | |
| CN202744415U (en) | Landfill leachate treatment device | |
| CN204643892U (en) | A kind of solar energy sea water desalination apparatus | |
| CN103613480B (en) | Device and method for recycling low-concentration organic solvent | |
| CN212102640U (en) | System for preparing acetic anhydride by acetic acid cracking-ketene method | |
| CN105110396A (en) | Method and device for continuously separating low-boiling point substances in wastewater produced by extraction of natural gas and shale gas | |
| CN105600857B (en) | The vacuum degasing pretreatment of viscose rayon production neutral and alkali waste water | |
| CN209010306U (en) | A kind of Wastewater in Biologic Pharmacy reuse and vaporising device | |
| CN204824498U (en) | Landfill leachate zero release processing system | |
| CN203307309U (en) | Waste lubricant regeneration distillation device | |
| CN206108988U (en) | Utilize water treatment facilities of power plant's waste heat | |
| CN205740620U (en) | A kind of chemical nickel plating waste plating solution processing system | |
| CN202164247U (en) | Device for recycling triethylene glycol | |
| CN211078984U (en) | DMAC (dimethylacetamide) recycling, purifying and circulating environment-friendly device | |
| CN101254906B (en) | Method and device for vacuum nitric acid gas recovering during preparation of nitric acid | |
| CN108970234B (en) | Photovoltaic laminator vacuum pump oil filtration system | |
| CN204173942U (en) | Rubbish leachate treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 302, No. 119 Baisha Waterway, Tianhe District, Guangzhou City, Guangdong 510000 Patentee after: GUANGZHOU SINPURELY ENERGY CONSERVATION & ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Address before: 510000 Xiangshan Avenue, Xintang Town, Zengcheng, Guangzhou, Guangdong Province Patentee before: GUANGZHOU SINPURELY ENERGY CONSERVATION & ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
|
| CX01 | Expiry of patent term |