CN115286157A - Landfill leachate solidification preprocessing device - Google Patents
Landfill leachate solidification preprocessing device Download PDFInfo
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- CN115286157A CN115286157A CN202210018884.8A CN202210018884A CN115286157A CN 115286157 A CN115286157 A CN 115286157A CN 202210018884 A CN202210018884 A CN 202210018884A CN 115286157 A CN115286157 A CN 115286157A
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- 238000007711 solidification Methods 0.000 title claims abstract description 34
- 230000008023 solidification Effects 0.000 title claims abstract description 34
- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 15
- 238000007781 pre-processing Methods 0.000 title claims description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 33
- 229920000742 Cotton Polymers 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000007789 gas Substances 0.000 claims description 18
- 238000001704 evaporation Methods 0.000 claims description 17
- 238000010828 elution Methods 0.000 claims description 10
- 239000002912 waste gas Substances 0.000 claims description 10
- 230000008020 evaporation Effects 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 210000005239 tubule Anatomy 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 241000219122 Cucurbita Species 0.000 claims 1
- 235000009852 Cucurbita pepo Nutrition 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 3
- 238000002203 pretreatment Methods 0.000 abstract description 2
- 241000219146 Gossypium Species 0.000 description 12
- 239000002002 slurry Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a landfill leachate solidification pretreatment device, relates to the technical field of landfill leachate treatment, and mainly solves the problems that the existing landfill leachate pretreatment method is weak, the consumption of a curing agent is increased, and the landfill pressure of a landfill is increased; the device comprises a primary filtering mechanism and a concentrating mechanism, wherein the primary filtering mechanism comprises a delivery pump, the delivery pump is connected with a standing pool containing leachate, the delivery pump is connected with a lifting pipe, a connector is arranged on the delivery pipe, the connector is connected with a filtering pipe, an installation elastic rod is inserted in the filtering pipe, filter cotton is arranged on the installation elastic rod, a flow guide pipe is arranged at the tail end of the filtering pipe, the flow guide pipe is connected with an inclined pipe, and the inclined pipe is connected with the concentrating mechanism; according to the invention, the leachate is filtered and concentrated by the primary filtering mechanism and the concentrating mechanism, so that harmful substances contained in the leachate are concentrated and solidified, and the solidification efficiency is improved.
Description
Technical Field
The invention relates to the technical field of landfill leachate treatment, in particular to a landfill leachate solidification pretreatment device.
Background
The leachate solidification of the refuse landfill is a safe, efficient, energy-saving, land-saving, environment-friendly and economic mode, and the technology of pipeline transportation is increasingly emphasized, so that the industry development prospect is huge. The solidification mode can effectively fix the leakage of harmful substances in the leachate, and avoids polluting underground water and accessory soil. At present, research on the landfill leachate solidification backfill slurry serving as a conveying medium is in a starting stage, and the landfill leachate solidification backfill slurry serving as a novel energy-saving and environment-friendly transportation mode has a wide application space.
The leachate of the existing refuse landfill is mixed with a curing agent to form cured slurry, the cured slurry is conveyed back to the refuse landfill, and after curing, the harmful components in the leachate are fixed, so that the leachate is prevented from being formed by heavy metal ions and harmful substances. The prior early-stage treatment method of the leachate is weak, so that the consumption of a curing agent is high, the landfill pressure of a landfill is increased, and the cured finished product is easy to generate secondary leachate.
Disclosure of Invention
The invention aims to provide a leachate solidification pretreatment device for a refuse landfill to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a landfill leachate solidification preprocessing device includes:
a primary filtering mechanism; the primary filtering mechanism comprises a delivery pump, the delivery pump is connected with a standing pool containing leachate, the delivery pump is connected with a lifting pipe, a connector is arranged on the lifting pipe, the connector is connected with a filtering pipe, an installation elastic rod is inserted in the filtering pipe, filter cotton is arranged on the installation elastic rod, a flow guide pipe is arranged at the tail end of the filtering pipe, and the flow guide pipe is connected with an inclined pipe;
the concentrating mechanism comprises a concentrating box, a heating device is arranged in the concentrating box, a horizontal pipe is arranged in the concentrating box, the horizontal pipe is connected with an inclined pipe, vent holes are evenly formed in the horizontal pipe, the horizontal pipe is connected with an evaporating pipe, the tail end of the evaporating pipe is connected with a lead-out pump, and the lead-out pump is connected with a solidifying mechanism.
As a further scheme of the invention: the installation elastic rod is provided with filter cotton at intervals, the size of the filter cotton is larger than the inner diameter of the filter pipe, the filter pipe is spirally arranged, the bottom of the filter pipe is provided with a sealing cover, the installation elastic rod is installed in a sealing mode through the sealing cover, and the tail end of the installation elastic rod is provided with a handle.
As a still further scheme of the invention: the bottom of the filter pipe is provided with a first observation port, the first observation port is a transparent pipe connected with the filter pipe, and the first observation port corresponds to the position of one section of filter cotton at the end part of the elastic rod.
As a still further scheme of the invention: an intermediate water tank is arranged between the flow guide pipe and the inclined pipe, the storage content of the intermediate water tank is the same as the single concentration leachate amount of the concentration mechanism, and an electromagnetic valve is arranged between the intermediate water tank and the inclined pipe.
As a still further scheme of the invention: the concentrator box is for leaking hopper-shaped setting, heating device is including setting up the electrical heating board of concentrator box bottom portion, the electrical heating board evenly sets up on the inclined plane of concentrator box bottom portion, the horizontal pipe is circular setting, the upper surface of horizontal pipe evenly sets up the air vent, the evaporating pipe is the spiral pipe, evaporating pipe outside-in height reduces gradually.
As a still further scheme of the invention: the last air vent of water flat pipe links to each other with vapor liquefaction recovery mechanism, vapor liquefaction recovery mechanism includes the liquefaction case, the inboard of liquefaction case is provided with the condenser, the air vent links to each other with first breather pipe, first breather pipe links to each other with the condenser pipe, the first half setting of condenser pipe is in the inside of liquefaction case, the lower half setting of condenser pipe is in the outside of liquefaction case, the inside of condenser pipe is provided with the receiving tank, the receiving tank with the inner wall fixed connection of condenser pipe.
As a still further scheme of the invention: the receiving tank symmetry sets up the inside of condenser pipe, there is the gap between the receiving tank, and the gaseous rebound that passes through of the concentrated leachate of concentrated mechanism produced, vapor meets in the gas during liquefaction forms the water droplet and flows into the receiving tank during condenser pipe upside inner wall, the receiving tank links to each other with liquid return pipe, the upper end of condenser pipe is the calabash form setting.
As a still further scheme of the invention: still include exhaust-gas treatment mechanism, exhaust-gas treatment mechanism is including setting up the second breather pipe at condenser pipe top, the second breather pipe links to each other with the waste gas tank, the waste gas tank is connected with the connecting pipe, the connecting pipe is sent waste gas into the elution incasement through the air-feed pump, be provided with the eluant in the elution incasement, be provided with the tubule on the connecting pipe of elution incasement portion, be provided with the installation pole in the tubule, evenly be provided with turbine blade on the installation pole, turbine blade with tubule cooperation installation, the bottom of connecting pipe is provided with the exhaust dish, the exhaust dish bottom evenly is provided with the exhaust hole, the exhaust dish is stretched out to the installation pole, evenly be provided with the puddler on the installation pole.
Compared with the prior art, the invention has the beneficial effects that:
the invention carries out primary filtration treatment on the leachate through a primary filtration mechanism, and removes solid particles contained in the leachate as much as possible; leachate after filtering passes through the slope pipe and gets into enrichment facility, through horizontal pipe and evaporating pipe, evaporate leachate, get rid of most moisture in the leachate, concentrate by a wide margin the leachate, thereby the leachate of more contents can be absorbed to the curing agent of same content when the solidification, promote the space rate of utilization in landfill, simultaneously through filtering concentrated leachate reduces the influence to the curing agent, promote the off-the-shelf curing effect of solidification, effectively avoid the solidification product to produce the condition of secondary leachate.
Drawings
Fig. 1 is a schematic structural diagram of a leachate solidification pretreatment device for a landfill.
FIG. 2 is a schematic view of the connection between horizontal pipes and evaporating pipes in a leachate solidification pretreatment device for a landfill.
Fig. 3 is an enlarged schematic structural view of a position a in a leachate solidification pretreatment device of a landfill.
FIG. 4 is a schematic cross-sectional view of a water vapor liquefaction recovery mechanism in a leachate solidification pretreatment device for a landfill.
Fig. 5 is a sectional schematic view of a condensing pipe in a leachate solidification pretreatment device of a refuse landfill.
Fig. 6 is an enlarged schematic structural view of a position B in a leachate solidification pretreatment device of a landfill site.
Fig. 7 is a sectional structural diagram of the concentrated tank, the condenser and the waste gas tank of the leachate solidification pretreatment device for the landfill site.
In the figure: the device comprises a delivery pump 1, a lifting pipe 2, a pressure pump 3, a connector 4, a filter pipe 5, an elastic rod 6, filter cotton 7, a first observation port 8, a handle 9, a sealing cover 10, a guide pipe 11, an intermediate water tank 12, an electromagnetic valve 13, an inclined pipe 14, a concentration tank 15, an electric heating plate 16, a horizontal pipe 17, an air vent 170, an evaporation pipe 18, a discharge pipe 19, a discharge pump 20, a liquefaction tank 21, a condenser 22, a first support column 23, a condenser 24, a receiving tank 240, a first vent pipe 25, a liquid return pipe 26, a second vent pipe 27, a waste gas tank 28, a connecting pipe 29, a gas pump 30, a stripping tank 31, a thin pipe 32, a mounting rod 320, a turbine blade 321, an exhaust disk 33 and a stirring rod 34.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
As shown in fig. 1 to 7, a pre-treatment device for curing leachate in a landfill comprises:
a preliminary filtering mechanism; the preliminary filtering mechanism comprises a conveying pump 1, the conveying pump 1 is connected with a standing pool containing leachate, the conveying pump 1 is connected with a lifting pipe 2, a connector 4 is arranged on the lifting pipe 2, the connector 4 is connected with a filtering pipe 5, an installation elastic rod 6 is inserted into the filtering pipe 5, filter cotton 7 is arranged on the installation elastic rod 6, a flow guide pipe 11 is arranged at the tail end of the filtering pipe 5, and the flow guide pipe 11 is connected with an inclined pipe 14;
specifically, the delivery pump 1 sends the leachate inside the standing tank into the primary filtering mechanism, the riser 2 and the pressure pump 3 are utilized to improve the filtering capacity of the filter cotton 7 inside the filter pipe 5, the elastic rod 6 is installed through inserting inside the filter pipe 5, the filter cotton 7 is arranged on the elastic rod 6, the elastic rod 6 is convenient to install and is sent into the filter pipe 5, and meanwhile, the filter cotton 7 after being used is convenient to take out for replacement or cleaning.
The concentration mechanism comprises a concentration box 15, a heating device is arranged in the concentration box 15, a horizontal pipe 17 is arranged in the concentration box 15, the horizontal pipe 17 is connected with an inclined pipe 14, vent holes 170 are evenly formed in the horizontal pipe 17, the horizontal pipe 17 is connected with an evaporation pipe 18, the tail end of the evaporation pipe 18 is connected with a lead-out pump 20, and the lead-out pump 20 is connected with a solidification mechanism.
Specifically, the vent holes 170 on the horizontal pipe 17 are used for emitting water vapor and other mixed gas, when the liquid level descending speed of the leachate is obviously reduced, the concentration is completed, and the concentrated leachate is led out to the curing mechanism for curing through the lead-out pump 20.
As a further embodiment of the present invention, filter cottons 7 are arranged at intervals on the installation elastic rod 6, the size of the filter cottons 7 is larger than the inner diameter of the filter pipe 5, the filter pipe 5 is spirally arranged, a sealing cover 10 is arranged at the bottom of the filter pipe 5, the installation elastic rod 6 is hermetically installed through the sealing cover 10, and a handle 9 is arranged at the end of the installation elastic rod 6.
Specifically, 7 interval arrangements of filter pulp, 5 spiral settings of filter tube simultaneously, extension filter tube 5 length, and then extension filter length promote the filter effect of leachate, avoid the impurity that contains in the leachate to block up the pipeline.
As a further embodiment of the present invention, a first viewing port 8 is disposed at the bottom of the filtering pipe 5, the first viewing port 8 is a transparent pipe connected to the filtering pipe 5, and the first viewing port 8 corresponds to a section of filter cotton 7 at the end of the elastic rod 6.
Specifically, 5 bottoms of filter tube set up first viewing aperture 8 and are convenient for observe the filtration condition of filter pulp 7, when 7 colors of last one section filter pulp are obviously dark, need take out installation elastic rod 6, change or the clearance is handled filter pulp 7.
As a further embodiment of the present invention, an intermediate water tank 12 is disposed between the draft tube 11 and the inclined tube 14, the storage content of the intermediate water tank 12 is the same as the amount of the leachate once concentrated by the concentrating mechanism, and an electromagnetic valve 13 is disposed between the intermediate water tank 12 and the inclined tube 14.
Specifically, the middle water tank 12 is arranged to receive leachate from the primary filtering mechanism, and the single concentration amount of the concentration mechanism is conveniently controlled.
As a further embodiment of the present invention, the concentration box 15 is funnel-shaped, the heating device includes an electric heating plate 16 disposed at the bottom of the concentration box 15, the electric heating plate 16 is uniformly disposed on an inclined surface at the bottom of the concentration box 15, the horizontal tube 17 is circular, the upper surface of the horizontal tube 17 is uniformly provided with vent holes 170, the evaporation tube 18 is a spiral tube, and the height of the evaporation tube 18 gradually decreases from the outside to the inside.
Specifically, the setting of leaking hopper-shaped of concentrator box 15, the decurrent evaporating pipe 18 setting of cooperation spiral is convenient for the leachate after the concentration to be derived and participate in the solidification.
As a still further embodiment of the present invention, the vent 170 on the horizontal pipe 17 is connected to a water vapor liquefaction recovery mechanism, the water vapor liquefaction recovery mechanism includes a liquefaction tank 21, a condenser 22 is disposed inside the liquefaction tank 21, the vent 170 is connected to a first vent pipe 25, the first vent pipe 25 is connected to a condenser pipe 24, an upper half of the condenser pipe 24 is disposed inside the liquefaction tank 21, a lower half of the condenser pipe 24 is disposed outside the liquefaction tank 21, a receiving groove 240 is disposed inside the condenser pipe 24, and the receiving groove 240 is fixedly connected to an inner wall of the condenser pipe 24.
Specifically, a large amount of water vapor is generated after concentration, and the water vapor is liquefied and recovered through a water vapor liquefaction recovery mechanism.
As a further embodiment of the present invention, the receiving grooves 240 are symmetrically disposed inside the condensation pipe 24, there are gaps between the receiving grooves 240, the gas generated by the condensation mechanism concentrating the leachate moves upward through the gaps, the water vapor in the gas liquefies to form water drops when meeting the inner wall of the upper side of the condensation pipe 24 and flows into the receiving grooves 240, the receiving grooves 240 are connected to the liquid return pipe 26, and the upper end of the condensation pipe 24 is gourd-shaped.
As a further embodiment of the present invention, the present invention further comprises an exhaust gas treatment mechanism, wherein the exhaust gas treatment mechanism comprises a second vent pipe 27 disposed at the top of the condensation pipe 24, the second vent pipe 27 is connected to an exhaust gas tank 28, the exhaust gas tank 28 is connected to a connection pipe 29, the connection pipe 29 feeds the exhaust gas into an elution tank 31 through an air feed pump 30, an elution solution is disposed in the elution tank 31, a thin pipe 32 is disposed on the connection pipe 29 in the elution tank 31, an installation rod 320 is disposed in the thin pipe 32, turbine blades 321 are uniformly disposed on the installation rod 320, the turbine blades 321 and the thin pipe 32 are installed in a matching manner, an exhaust disc 33 is disposed at the bottom of the connection pipe 29, exhaust holes are uniformly disposed at the bottom of the exhaust disc 33, the installation rod 320 extends out of the exhaust disc 33, and a stirring rod 34 is uniformly disposed on the installation rod 320.
Specifically, still produce a large amount of other poisonous and harmful waste gases among the concentration process, elute the purification to waste gas through the eluant in the exhaust-gas treatment mechanism to guarantee that the outer safe up to standard of discharging of gas.
As shown in fig. 1-7, the invention carries out primary filtration treatment on the leachate through a primary filtration mechanism, and removes solid particles contained in the leachate as much as possible; leachate after filtering passes through the inclined tube 14 and gets into enrichment facility, through horizontal pipe 17 and evaporating pipe 18, evaporate leachate, get rid of most moisture in the leachate, it is concentrated by a wide margin to leachate, thereby the leachate of more contents can be absorbed to the curing agent of same content when the solidification, promote the space rate of utilization in landfill, leachate through filtering concentration simultaneously reduces the influence to the curing agent, promote the off-the-shelf curing effect of solidification, effectively avoid the solidification product to produce the condition of secondary leachate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a landfill leachate solidification preprocessing device which characterized in that includes:
a preliminary filtering mechanism; the primary filtering mechanism comprises a conveying pump (1), the conveying pump (1) is connected with a standing pool containing leachate, the conveying pump (1) is connected with a lifting pipe (2), a connector (4) is arranged on the lifting pipe (2), the connector (4) is connected with a filtering pipe (5), an installation elastic rod (6) is inserted in the filtering pipe (5), filtering cotton (7) is arranged on the installation elastic rod (6), a flow guide pipe (11) is arranged at the tail end of the filtering pipe (5), and the flow guide pipe (11) is connected with an inclined pipe (14);
the concentrating mechanism comprises a concentrating box (15), a heating device is arranged in the concentrating box (15), a horizontal pipe (17) is arranged in the concentrating box (15), the horizontal pipe (17) is connected with an inclined pipe (14), air holes (170) are evenly formed in the horizontal pipe (17), the horizontal pipe (17) is connected with an evaporation pipe (18), the tail end of the evaporation pipe (18) is connected with a lead-out pump (20), and the lead-out pump (20) is connected with a solidifying mechanism.
2. The landfill leachate solidification pretreatment device according to claim 1, wherein the installation elastic rod (6) is provided with filter cotton (7) at intervals, the size of the filter cotton (7) is larger than the inner diameter of the filter pipe (5), the filter pipe (5) is spirally arranged, the bottom of the filter pipe (5) is provided with a sealing cover (10), the installation elastic rod (6) is hermetically installed through the sealing cover (10), and the tail end of the installation elastic rod (6) is provided with a handle (9).
3. The landfill leachate solidification pretreatment device according to claim 2, wherein a first observation port (8) is formed in the bottom of the filtering pipe (5), the first observation port (8) is a transparent pipe connected with the filtering pipe (5), and the first observation port (8) corresponds to a section of filter cotton (7) at the end of the installation elastic rod (6).
4. The solidification pretreatment device of leachate in landfill site of claim 3, wherein an intermediate water tank (12) is arranged between the diversion pipe (11) and the inclined pipe (14), the storage content of the intermediate water tank (12) is the same as the single concentration leachate amount of the concentration mechanism, and an electromagnetic valve (13) is arranged between the intermediate water tank (12) and the inclined pipe (14).
5. The landfill leachate solidification pretreatment device according to claim 1, wherein the concentration tank (15) is funnel-shaped, the heating device comprises an electric heating plate (16) arranged at the bottom of the concentration tank (15), the electric heating plate (16) is uniformly arranged on an inclined plane at the bottom of the concentration tank (15), the horizontal pipe (17) is circularly arranged, vent holes (170) are uniformly arranged on the upper surface of the horizontal pipe (17), the evaporation pipe (18) is a spiral pipe, and the height of the evaporation pipe (18) is gradually reduced from outside to inside.
6. The solidification pretreatment device for leachate in a landfill site according to claim 1, wherein the vent hole (170) of the horizontal pipe (17) is connected to a water vapor liquefaction recovery mechanism, the water vapor liquefaction recovery mechanism comprises a liquefaction tank (21), a condenser (22) is disposed inside the liquefaction tank (21), the vent hole (170) is connected to a first vent pipe (25), the first vent pipe (25) is connected to a condenser pipe (24), an upper half of the condenser pipe (24) is disposed inside the liquefaction tank (21), a lower half of the condenser pipe (24) is disposed outside the liquefaction tank (21), a receiving groove (240) is disposed inside the condenser pipe (24), and the receiving groove (240) is fixedly connected to an inner wall of the condenser pipe (24).
7. The solidification pretreatment device of leachate in landfill site of claim 6, wherein the receiving tank (240) is symmetrically arranged inside the condensation pipe (24), there is a gap between the receiving tanks (240), the gas generated by the concentrated leachate of the concentration mechanism moves upwards through the gap, the water vapor in the gas is liquefied to form water drops when meeting the inner wall of the upper side of the condensation pipe (24) and flows into the receiving tank (240), the receiving tank (240) is connected with the liquid return pipe (26), and the upper end of the condensation pipe (24) is arranged in a shape of a gourd.
8. The landfill leachate solidification pretreatment device of claim 6, characterized in that, still includes exhaust-gas treatment mechanism, exhaust-gas treatment mechanism is including setting up second breather pipe (27) at condenser pipe (24) top, second breather pipe (27) link to each other with waste gas tank (28), waste gas tank (28) are connected with connecting pipe (29), in connecting pipe (29) send waste gas into elution case (31) through air feed pump (30), be provided with the eluant in elution case (31), be provided with tubule (32) on inside connecting pipe (29) of elution case (31), be provided with installation pole (320) in tubule (32), evenly be provided with turbine blade (321) on installation pole (320), turbine blade (321) with tubule (32) cooperation installation, the bottom of connecting pipe (29) is provided with exhaust disc (33), exhaust disc (33) bottom evenly is provided with the exhaust hole, exhaust disc (33) are stretched out to installation pole (320), be provided with even puddler (34) on installation pole (320).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111646869 | 2021-12-30 | ||
| CN202111646869X | 2021-12-30 |
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| Publication Number | Publication Date |
|---|---|
| CN115286157A true CN115286157A (en) | 2022-11-04 |
| CN115286157B CN115286157B (en) | 2023-11-17 |
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| CN202210018884.8A Active CN115286157B (en) | 2021-12-30 | 2022-01-10 | Landfill leachate solidification preprocessing device |
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Citations (7)
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2022
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| US3501382A (en) * | 1967-02-21 | 1970-03-17 | Saline Water Conversion Corp | Distillation-condenser with vertically disaligned tubes |
| JP2003197839A (en) * | 2001-12-27 | 2003-07-11 | Showa Denko Kk | Boiler/cooler for heater element |
| CN103420439A (en) * | 2012-08-23 | 2013-12-04 | 李虹 | Treatment method for realizing leachate pollutant zero-discharge and recycling |
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| CN107337707A (en) * | 2017-07-28 | 2017-11-10 | 周博桢 | A kind of drying enrichment facility of high efficiency extraction Fish protein |
| CN210952413U (en) * | 2019-11-04 | 2020-07-07 | 珠海市华远自动化科技有限公司 | Steam condensate recovery device |
| CN215197798U (en) * | 2021-06-16 | 2021-12-17 | 赣江新区铂汉智造科技有限公司 | Environment-friendly has spray booth who sprays paint structure |
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| CN115286157B (en) | 2023-11-17 |
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