CN213416616U - Landfill leachate recycling system - Google Patents
Landfill leachate recycling system Download PDFInfo
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- CN213416616U CN213416616U CN202022259335.9U CN202022259335U CN213416616U CN 213416616 U CN213416616 U CN 213416616U CN 202022259335 U CN202022259335 U CN 202022259335U CN 213416616 U CN213416616 U CN 213416616U
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- photolysis
- residual liquid
- landfill leachate
- evaporator
- sludge
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Abstract
The utility model relates to a landfill leachate recovery processing system, including equalizing basin, ammonia blow-off system, membrane bioreactor, the system of receiving and straining, reverse osmosis unit and the well pond of receiving that connects gradually, the thick filtrating export of receiving and straining the system is connected with the equalizing basin, its characterized in that: a deodorizing system for removing offensive odors in the residual liquid and the sludge; the deodorization system comprises a sludge drying device, a residual liquid evaporator for recycling residual liquid discharged from the reverse osmosis device and a UV photolysis system; and the output ends of the sludge drying device and the residual liquid evaporator are communicated to a UV photolysis system for photolysis deodorization. The utility model discloses the practicality is strong, easily promotes.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection technique and specifically relates to a landfill leachate recovery processing system is related to.
Background
The landfill leachate refers to sewage seeped from garbage in a landfill, which is rich in salts, humic acid, organic matters and other components, and the COD and ammonia nitrogen content in the sewage are far beyond the standard, so the landfill leachate needs to be treated to prevent environmental pollution.
At present, leachate is generally recycled by adopting a biological decomposition mode, for example, an urban landfill leachate treatment and recycling system with patent number 201320256733.2, but in the process of recycling landfill leachate by using the treatment system, sludge and concentrated solution are directly conveyed to an embedded length for embedded treatment, so that the mode has a great peculiar smell and pollutes the surrounding air environment.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a landfill leachate recovery processing system.
The technical scheme of the utility model is realized like this: the utility model provides a landfill leachate recovery processing system, is including equalizing basin, ammonia blow-off system, membrane bioreactor, the system of receiving nanofiltration, reverse osmosis unit and the well pond that connects gradually, the dense filtrating export of receiving the system of receiving nanofiltration is connected with the equalizing basin, its characterized in that: a deodorizing system for removing offensive odors in the residual liquid and the sludge; the deodorization system comprises a sludge drying device, a residual liquid evaporator for recycling residual liquid discharged from the reverse osmosis device and a UV photolysis system; the output ends of the sludge drying device and the residual liquid evaporator are communicated to a UV photolysis system for photolysis deodorization
Preferably: the sludge drying device comprises a drying box, a conveying screen, a liquid loading recovery pool and an exhaust fan; the both sides of stoving incasement chamber bottom set up the air inlet tank, and hydrops recovery pond sets up between the air inlet tank, the air exhauster is installed at stoving roof portion, the conveying screen cloth level passes the stoving case and is located directly over the hydrops recovery pond.
Preferably: the residual liquid evaporator comprises an evaporator body, a heater and a heating chamber, wherein the heating chamber is arranged on the heater, a heating unit is arranged in the heating chamber, the side wall of the top of the heater is communicated with the evaporator body through a connecting pipe, and the output end of the evaporator body is communicated with the UV photolysis system.
Preferably: the UV photolysis system comprises a photolysis box body with a UV lamp panel inside and an adsorption filter; the adsorption filter is arranged on the input port of the photolysis box body.
Preferably: the adsorption filter comprises an activated carbon adsorption box and a filtering grid plate.
Compared with the prior art, the utility model discloses the beneficial effect who brings does:
1. the device is provided with a sludge drying device, a residual liquid evaporator and a UV photolysis system;
the sludge drying device can dry the sludge, and odor in the sludge is discharged into the UV photolysis tank along with water vapor for photolysis in the drying process, so that the sludge deodorization effect is realized;
the residual liquid evaporator can recover the residual liquid discharged from the reverse osmosis device, and the residual liquid is heated and evaporated by the heater and the evaporator to be changed into water vapor which is sent into the UV photolysis tank for photolysis treatment, so that the deodorization effect is further realized;
and conveying the dried sludge and crystals generated by evaporation to a pre-buried pool through a conveying pipeline for pre-buried treatment.
And the dropsy partial sewage in the mud can be retrieved to the hydrops recovery pond of stoving incasement portion, and this partial sewage is sent to the evaporimeter and is carried out the evaporation treatment.
2. Through being provided with adsorption filter, adsorption filter can absorb solid particle and moisture in the mist, avoids in the dust gets into UV photolysis case, and secondly activated carbon adsorptivity can adsorb steam to the UV lamp plate of avoiding in the UV photolysis case meets the water and appears leaking electricity and the phenomenon of burning out.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sludge drying device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model discloses a landfill leachate recycling system, which comprises an adjusting tank 1, an ammonia stripping system 2, a membrane bioreactor 3, a nanofiltration system 4, a reverse osmosis device 5 and a middle water tank 6 which are connected in sequence, wherein the concentrated filtrate outlet of the nanofiltration system 4 is connected with the adjusting tank 1, and the sludge generated in the membrane bioreactor 3 is sent into a sludge treatment device 7; the deodorization system comprises a sludge drying device 8, a residual liquid evaporator 9 for recycling residual liquid discharged from the reverse osmosis device 5 and a UV photolysis system 10; the output ends of the sludge drying device 8 and the residual liquid evaporator 9 are communicated to a UV photolysis system 10 for photolysis deodorization
In the specific embodiment of the present invention, the sludge drying device 8 includes a drying box 81, a conveying screen 82, a liquid loading recovery tank 83 and an exhaust fan 84; the both sides of stoving case 81 inner chamber bottom set up air inlet tank 85, and hydrops recovery pond 83 sets up between the air inlet tank 85, air exhauster 84 is installed at stoving case 81 top, conveying screen 82 level is passed stoving case 81 and is located directly over the hydrops recovery pond 83.
The utility model discloses in the embodiment, residual liquid evaporimeter 9 includes that evaporimeter body and heater, heater are provided with the heating cavity, and the inside heating unit that is provided with of heating cavity communicates with the evaporimeter body through the connecting pipe on the lateral wall at heater top, evaporimeter body output and UV photodissociation system intercommunication.
In the embodiment of the present invention, the UV photolysis system 10 includes a photolysis box body having a UV lamp panel therein and an adsorption filter 11; the adsorption filter is arranged on the input port of the photolysis box body.
In the embodiment of the present invention, the adsorption filter 11 includes an activated carbon adsorption tank and a filtration grid plate.
Compared with the prior art, the utility model discloses the beneficial effect who brings does:
1. the device is provided with a sludge drying device, a residual liquid evaporator and a UV photolysis system;
the sludge drying device can dry the sludge, and odor in the sludge is discharged into the UV photolysis tank along with water vapor for photolysis in the drying process, so that the sludge deodorization effect is realized;
the residual liquid evaporator can recover the residual liquid discharged from the reverse osmosis device, and the residual liquid is heated and evaporated by the heater and the evaporator to be changed into water vapor which is sent into the UV photolysis tank for photolysis treatment, so that the deodorization effect is further realized;
and conveying the dried sludge and crystals generated by evaporation to a pre-buried pool through a conveying pipeline for pre-buried treatment.
And the dropsy partial sewage in the mud can be retrieved to the hydrops recovery pond of stoving incasement portion, and this partial sewage is sent to the evaporimeter and is carried out the evaporation treatment.
2. Through being provided with adsorption filter, adsorption filter can absorb solid particle and moisture in the mist, avoids in the dust gets into UV photolysis case, and secondly activated carbon adsorptivity can adsorb steam to the UV lamp plate of avoiding in the UV photolysis case meets the water and appears leaking electricity and the phenomenon of burning out.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a landfill leachate recovery processing system, is including equalizing basin, ammonia blow-off system, membrane bioreactor, the system of receiving nanofiltration, reverse osmosis unit and the well pond that connects gradually, receive the dense filtrating export of system of receiving nanofiltration and be connected its characterized in that with the equalizing basin: a deodorizing system for removing offensive odors in the residual liquid and the sludge; the deodorization system comprises a sludge drying device, a residual liquid evaporator for recycling residual liquid discharged from the reverse osmosis device and a UV photolysis system; and the output ends of the sludge drying device and the residual liquid evaporator are communicated to a UV photolysis system for photolysis deodorization.
2. The landfill leachate recycling treatment system of claim 1, wherein: the sludge drying device comprises a drying box, a conveying screen, a liquid loading recovery pool and an exhaust fan; the both sides of stoving incasement chamber bottom set up the air inlet tank, and hydrops recovery pond sets up between the air inlet tank, the air exhauster is installed at stoving roof portion, the conveying screen cloth level passes the stoving case and is located directly over the hydrops recovery pond.
3. The landfill leachate recycling treatment system of claim 2, wherein: the residual liquid evaporator comprises an evaporator body, a heater and a heating chamber, wherein the heating chamber is arranged on the heater, a heating unit is arranged in the heating chamber, the side wall of the top of the heater is communicated with the evaporator body through a connecting pipe, and the output end of the evaporator body is communicated with the UV photolysis system.
4. The landfill leachate recycling treatment system of claim 3, wherein: the UV photolysis system comprises a photolysis box body with a UV lamp panel inside and an adsorption filter; the adsorption filter is arranged on the input port of the photolysis box body.
5. The landfill leachate recycling treatment system of claim 4, wherein; the adsorption filter comprises an activated carbon adsorption box and a filtering grid plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022259335.9U CN213416616U (en) | 2020-10-13 | 2020-10-13 | Landfill leachate recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022259335.9U CN213416616U (en) | 2020-10-13 | 2020-10-13 | Landfill leachate recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213416616U true CN213416616U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022259335.9U Active CN213416616U (en) | 2020-10-13 | 2020-10-13 | Landfill leachate recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213416616U (en) |
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2020
- 2020-10-13 CN CN202022259335.9U patent/CN213416616U/en active Active
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