CN212687609U - Landfill leachate concentration and reduction low-temperature air evaporation device - Google Patents
Landfill leachate concentration and reduction low-temperature air evaporation device Download PDFInfo
- Publication number
- CN212687609U CN212687609U CN202020905846.0U CN202020905846U CN212687609U CN 212687609 U CN212687609 U CN 212687609U CN 202020905846 U CN202020905846 U CN 202020905846U CN 212687609 U CN212687609 U CN 212687609U
- Authority
- CN
- China
- Prior art keywords
- steam
- liquid
- evaporator
- pipeline
- pipe
- 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.)
- Active
Links
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model provides a low-temperature air evaporation device for concentrating and reducing landfill leachate, which comprises an evaporator, a gas-liquid separator and a multi-stream heat exchanger, wherein the bottom in the evaporator is provided with a liquid area, a plurality of heat exchange tubes are arranged in the liquid area, two ends of each heat exchange tube are respectively communicated with a steam inlet chamber and a steam outlet chamber, a packing layer is arranged in the evaporator above the heat exchange tubes in sequence, shower and a plurality of crisscross spoiler that distributes, steam discharge room passes through the pipeline and links to each other with steam inlet, the top of evaporimeter is equipped with steam outlet, steam outlet links to each other with vapour and liquid separator, vapour and liquid separator passes through steam conduit and links to each other with vapor compressor, vapor compressor passes through the pipeline and links to each other with steam admission room, vapour and liquid separator passes through liquid conduit and links to each other with many bunches of heat exchangers, the bottom of evaporimeter still links to each other with many bunches of heat exchangers through the concentrate pipe, many bunches of heat exchangers still link to each other with the shower through the stoste heating pipe. The utility model discloses help improving the evaporative concentration effect of filtration liquid.
Description
Technical Field
The utility model relates to a refuse treatment technical field, concretely relates to landfill leachate is concentrated minimizing low temperature air evaporation plant.
Background
With the improvement of living standard of people, the treatment of household garbage becomes a big problem of society. In the process of landfill treatment of municipal refuse, a certain amount of landfill leachate can be generated due to the influx of rainwater and surface water and the existence of water in the refuse, the landfill leachate is waste water with complex components, high concentration and difficult treatment, an evaporation treatment process is one of the existing methods for treating the landfill leachate, evaporation is a physical process for separating volatile components from non-volatile components, a heating solution enables water to boil and gasify and continuously removes gasified water vapor, water boils out of the leachate, and all heavy metals, inorganic matters and most organic matters have stronger volatility than water, so that the heavy metals, the inorganic matters and most organic matters can be retained in a concentrated solution. However, in the process of treating the landfill leachate by the low-temperature concentration technology, the contact between the leachate and hot air is insufficient, and the discharged air contains more pollutants and the like. Therefore, a low-temperature air evaporation device capable of solving the existing problems in the concentration and reduction of the landfill leachate is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a landfill leachate is concentrated minimizing low temperature air evaporation plant to prior art not enough.
The utility model provides a following technical scheme:
a low-temperature air evaporation device for concentrating and reducing landfill leachate comprises an evaporator, a gas-liquid separator and a multi-stream heat exchanger, wherein a liquid area is arranged at the bottom in the evaporator, a plurality of heat exchange tubes are arranged in the liquid area, two ends of each heat exchange tube are respectively communicated with a steam inlet chamber and a steam outlet chamber, a packing layer, a spraying pipe and a plurality of spoilers which are distributed in a staggered manner are sequentially arranged in the evaporator above the heat exchange tubes from bottom to top, the steam outlet chamber is connected with a steam inlet through a pipeline, the steam inlet is arranged between the packing layer and the heat exchange tubes, a steam outlet is arranged at the top of the evaporator, the steam outlet is connected with the gas-liquid separator through a pipeline, the gas-liquid separator is connected with a steam compressor through a steam pipeline, and the steam compressor is connected with the steam inlet chamber through a, the gas-liquid separator is connected with the multi-stream heat exchanger through a liquid pipeline, the bottom of the evaporator is further connected with the multi-stream heat exchanger through a concentrated liquid pipe, and the multi-stream heat exchanger is further connected with the spray pipe through a stock solution heating pipe.
Preferably, a defogging net is further arranged in the evaporator above the spoiler.
Preferably, the multi-flow heat exchanger is provided with a stock solution outlet, the stock solution outlet is connected with the stock solution heating pipe, the multi-flow heat exchanger is further provided with a first heat source inlet and a second heat source inlet, the first heat source inlet is connected with the liquid pipeline, and the second heat source inlet is connected with the concentrated liquid pipe.
Preferably, the steam inlet chamber is connected to an external steam pipe, and the steam compressor is connected to the external steam pipe
The utility model has the advantages that:
the utility model discloses be equipped with packing layer and shower in the evaporimeter, filtration liquid and the reverse contact of steam can make the abundant contact of filtration liquid and steam, improve the evaporation concentration effect of filtration liquid, just the utility model discloses the liquid district in the evaporimeter is equipped with many evaporating pipes, and evaporating pipe and filtration liquid fully contact help improving the heating evaporation effect of filtration liquid, the utility model discloses still be equipped with the spoiler of a plurality of crisscross distributions in the top of shower to improved the operation distance of steam in the evaporimeter, helped falling back of the liquid smugglied secretly in the steam, the utility model discloses still be equipped with the heat exchanger that has more stream, the stoste that gets into in the evaporimeter is treated to evaporimeter is heated to evaporimeter exhaust concentrate and vapour and liquid separator's discharged liquid, help thermal recovery, reduce the energy consumption.
Drawings
The accompanying drawings are included to provide a further understanding and description of the invention.
Fig. 1 is a schematic structural diagram of the present invention.
Labeled as: 1. an evaporator; 2. a gas-liquid separator; 3. a multi-stream heat exchanger; 4. a heat exchange pipe; 5. steam enters the chamber; 6. a steam discharge chamber; 7. a filler layer; 8. a shower pipe; 9. a spoiler; 10. a steam inlet; 11. a steam outlet; 12. a steam line; 13. a vapor compressor; 14. a liquid conduit; 15. a concentrate tube; 16. a stock solution heating pipe; 17. a defogging net; 18. a stock solution outlet; 19. a first heat source inlet; 20. a second heat source inlet; 21. an external steam pipe.
Detailed Description
As shown in fig. 1, a landfill leachate concentration and reduction low-temperature air evaporation device comprises an evaporator 1, a gas-liquid separator 2 and a multi-stream heat exchanger 3, wherein a liquid area is arranged at the bottom in the evaporator 1, a plurality of heat exchange tubes 4 are arranged in the liquid area, two ends of each heat exchange tube 4 are respectively communicated with a steam inlet chamber 5 and a steam outlet chamber 6, a packing layer 7, a spray pipe 8 and a plurality of spoilers 9 which are distributed in a staggered manner are sequentially arranged in the evaporator 1 above the heat exchange tubes 4 from bottom to top, and a demisting net 17 is further arranged in the evaporator 1 above the spoilers 9.
The steam discharge chamber 6 is connected with a steam inlet 10 through a pipeline, the steam inlet 10 is arranged between a packing layer 7 and a heat exchange tube 4, the top of the evaporator 1 is provided with a steam outlet 11, the steam outlet 11 is connected with a gas-liquid separator 2 through a pipeline, the gas-liquid separator 2 is connected with a steam compressor 13 through a steam pipeline 12, the steam compressor 13 is connected with a steam inlet chamber 5 through a pipeline, the steam inlet chamber 5 is connected with an external steam pipe 21, the steam compressor 13 is connected with the external steam pipe 21, the gas-liquid separator 2 is connected with a multi-strand heat exchanger 3 through a liquid pipeline 14, the bottom of the evaporator 1 is further connected with the multi-strand heat exchanger 3 through a concentrated liquid pipe 15, and the multi-strand heat exchanger 3 is further connected with a spray pipe 8 through a raw.
The multi-flow heat exchanger 3 is provided with a stock solution outlet 18, the stock solution outlet 18 is connected with a stock solution heating pipe 16, the multi-flow heat exchanger 3 is also provided with a first heat source inlet 19 and a second heat source inlet 20, the first heat source inlet 19 is connected with the liquid pipeline 14, and the second heat source inlet 20 is connected with the concentrated liquid pipe 15.
This embodiment is equipped with packing layer 7 and shower 8 in evaporimeter 1, filtration liquid and the reverse contact of steam, can make the abundant contact of filtration liquid and steam, improve the evaporation concentration effect of filtration liquid, and the liquid district of this embodiment in evaporimeter 1 is equipped with many evaporating pipes, evaporating pipe and filtration liquid fully contact, help improving the heating evaporation effect of filtration liquid, this embodiment still is equipped with a plurality of crisscross spoilers 9 that distribute in the top of shower 8, thereby the operation distance of steam in evaporimeter 1 has been improved, help falling back of the liquid of smuggleing secretly in the steam, this embodiment still is equipped with stranded flow heat exchanger 3, the stoste that gets into in evaporimeter 1 is treated to evaporimeter 1 exhaust concentrate and vapour and liquid separator 2 exhaust liquid, help thermal recovery, reduce the energy consumption.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalent changes may be made to some of the technical features of the embodiments. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A low-temperature air evaporation device for concentrating and reducing landfill leachate is characterized by comprising an evaporator, a gas-liquid separator and a multi-stream heat exchanger, wherein a liquid area is arranged at the bottom in the evaporator, a plurality of heat exchange tubes are arranged in the liquid area, two ends of each heat exchange tube are respectively communicated with a steam inlet chamber and a steam outlet chamber, a packing layer, a spray pipe and a plurality of spoilers which are distributed in a staggered manner are sequentially arranged in the evaporator above the heat exchange tubes from bottom to top, the steam outlet chamber is connected with a steam inlet through a pipeline, the steam inlet is arranged between the packing layer and the heat exchange tubes, a steam outlet is arranged at the top of the evaporator, the steam outlet is connected with the gas-liquid separator through a pipeline, the gas-liquid separator is connected with a steam compressor through a steam pipeline, and the steam compressor is connected with the steam inlet chamber through a pipeline, the gas-liquid separator is connected with the multi-stream heat exchanger through a liquid pipeline, the bottom of the evaporator is further connected with the multi-stream heat exchanger through a concentrated liquid pipe, and the multi-stream heat exchanger is further connected with the spray pipe through a stock solution heating pipe.
2. The landfill leachate concentration and reduction low-temperature air evaporation device as claimed in claim 1, wherein a demister is further disposed in the evaporator above the spoiler.
3. The landfill leachate concentration and reduction low-temperature air evaporation device according to claim 1, wherein the multi-flow heat exchanger is provided with a raw liquid outlet, the raw liquid outlet is connected with the raw liquid heating pipe, the multi-flow heat exchanger is further provided with a first heat source inlet and a second heat source inlet, the first heat source inlet is connected with the liquid pipeline, and the second heat source inlet is connected with the concentrated liquid pipe.
4. The landfill leachate concentration and reduction low-temperature air evaporation device according to claim 1, wherein the steam inlet chamber is connected to an external steam pipe, and the steam compressor is connected to the external steam pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020905846.0U CN212687609U (en) | 2020-05-26 | 2020-05-26 | Landfill leachate concentration and reduction low-temperature air evaporation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020905846.0U CN212687609U (en) | 2020-05-26 | 2020-05-26 | Landfill leachate concentration and reduction low-temperature air evaporation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212687609U true CN212687609U (en) | 2021-03-12 |
Family
ID=74889860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020905846.0U Active CN212687609U (en) | 2020-05-26 | 2020-05-26 | Landfill leachate concentration and reduction low-temperature air evaporation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212687609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114804476A (en) * | 2022-03-28 | 2022-07-29 | 武汉天源环保股份有限公司 | Landfill leachate treatment system and treatment method |
-
2020
- 2020-05-26 CN CN202020905846.0U patent/CN212687609U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114804476A (en) * | 2022-03-28 | 2022-07-29 | 武汉天源环保股份有限公司 | Landfill leachate treatment system and treatment method |
| CN114804476B (en) * | 2022-03-28 | 2023-02-10 | 武汉天源环保股份有限公司 | Landfill leachate treatment system and treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102242946B (en) | Concentrated heat supply system for reclaiming smoke afterheat by absorption heat pump | |
| CN108147608B (en) | Multi-effect evaporation crystallization system and method for treating power plant brine wastewater by using compressed air and heat pump | |
| CN209237373U (en) | A kind of preheating type heat pump double-effect evaporation concentration systems | |
| Shaikh et al. | A review on recent technological advancements in humidification dehumidification (HDH) desalination | |
| CN102219273A (en) | Solar and thermocompression vapor-compression distillation type water purifying device | |
| CN103232086A (en) | Solar seawater desalting system | |
| CN212799705U (en) | High-salinity wastewater evaporative concentration and fresh water recovery device utilizing industrial low-temperature waste heat | |
| CN212687609U (en) | Landfill leachate concentration and reduction low-temperature air evaporation device | |
| CN203700098U (en) | Device for treating power plant waste water with steam waste heat of thermal power plant | |
| CN209500800U (en) | A kind of forced circulation MVR evaporator | |
| CN1025063C (en) | Silencer for geothermal power plant and method for using same | |
| CN110540257A (en) | Coal fired power plant desulfurization waste water evaporative concentration and fresh water recovery device | |
| CN211226744U (en) | High salt, high COD waste water low temperature evaporation enrichment facility | |
| CN205346874U (en) | Solar energy absorbs formula sea water desalination device | |
| CN209635926U (en) | Falling film evaporation couples absorption refrigeration high-salt sewage processing equipment | |
| CN110563239A (en) | Evaporation concentration system and method for realizing waste water reduction by using low-temperature hot water | |
| CN203454861U (en) | Spiral fin tube type steam air preheater | |
| CN211679286U (en) | Indirect thermal desorption gas processing apparatus of soil | |
| CN109798583A (en) | A kind of heat pump heat distribution system comprehensively utilizing flue gas and exhaust steam residual heat | |
| CN106219650A (en) | A kind of low-quality bootstrap system of steel plant and using method thereof | |
| CN101327939A (en) | Method for solid caustic soda production by ionic membrane method | |
| CN212227436U (en) | Straight-through heat pump | |
| CN213272679U (en) | Ultra-low emission low-temperature white-removing system for waste incineration flue gas | |
| CN210320123U (en) | Flue gas white elimination system based on superconductive heat transfer technology | |
| CN106044910A (en) | Sea water desalinating apparatus with vertical low-resistance heat pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |