CN213760619U - Garbage leachate separation device - Google Patents
Garbage leachate separation device Download PDFInfo
- Publication number
- CN213760619U CN213760619U CN202022617077.7U CN202022617077U CN213760619U CN 213760619 U CN213760619 U CN 213760619U CN 202022617077 U CN202022617077 U CN 202022617077U CN 213760619 U CN213760619 U CN 213760619U
- Authority
- CN
- China
- Prior art keywords
- supernatant
- landfill leachate
- sedimentation tank
- tank
- drawer
- 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
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a landfill leachate separator, this landfill leachate separator, include: the side wall of the sedimentation tank is provided with an overflow port for supernatant to pass through; and the baffle is configured to shield the overflow port and change the height of the supernatant flowing through the overflow port by moving up and down. The utility model provides a simple and convenient, high-efficient, reliable landfill leachate separator not only can transfer out with filtration liquid from the garbage bin bottom smoothly through the drawer, but also can adapt to the filtration liquid of different raw materials, different seasons, different viscosity through adjustable baffle from top to bottom to let the rubbish piece fully subside, reduce the trouble of filtration liquid treatment process.
Description
Technical Field
The utility model belongs to the technical field of the rubbish from cooking handles, concretely relates to landfill leachate separator.
Background
The kitchen waste is collected and transported to a treatment link, and can be sorted and anaerobically treated only after being stored for a period of time and then transferred to a warehouse. During storage, the kitchen waste generates some leachate due to pressing and the like, and the leachate stays at the bottom of the waste.
In the prior art, the treatment of leachate generally comprises collecting the leachate into a treatment tank, precipitating for 12-24 hours, separating out supernatant and turbid liquid, and treating the supernatant and the turbid liquid respectively. However, in the case of percolate with different viscosity and different components, the height of the boundary between the supernatant and the turbid liquid is different, which results in greater difficulty in separating the two.
Therefore, in view of the above technical problems, there is a need to provide a landfill leachate separation apparatus and method.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a landfill leachate separator to solve among the prior art problem that the supernatant and the turbid liquid of rubbish from cooking filtration liquid are difficult to separate.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a landfill leachate separation plant, comprising:
the side wall of the sedimentation tank is provided with an overflow port for supernatant to pass through;
and the baffle is configured to shield the overflow port and change the height of the supernatant flowing through the overflow port by moving up and down.
In one embodiment, the bottom of the sedimentation tank is provided with a drawer for collecting sediments,
the drawer can enter or move out of the sedimentation tank in a horizontal direction.
In one embodiment, the device also comprises a first valve arranged on the side wall of the sedimentation tank for discharging the turbid liquid,
the first valve and the top edge of the drawer are at the same height.
In one embodiment, the device further comprises a supernatant collecting tank adjacent to the sedimentation tank, and the overflow port is communicated with the supernatant collecting tank.
In one embodiment, the bottom of the supernatant collecting tank is provided with a second valve for discharging the supernatant.
In one embodiment, the baffle is located in the settling tank, and/or
The side wall of the sedimentation tank is made of stainless steel, and/or
And a transparent observation window is arranged on the side wall of the sedimentation tank.
In one embodiment, the system further comprises a drainage device which is arranged above the sedimentation tank, is obliquely arranged and is used for guiding the landfill leachate to the sedimentation tank.
Compared with the prior art, the utility model provides a simple and convenient, high-efficient, reliable landfill leachate separator not only can transfer out with filtration liquid from the garbage storehouse bottom smoothly through the drawer, but also can adapt to the filtration liquid of different raw materials, different seasons, different viscosity through adjustable baffle from top to bottom to let rubbish piece fully subside, reduce the trouble of filtration liquid treatment process.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of a landfill leachate separation apparatus according to an embodiment of the present disclosure;
FIG. 2 is a sectional view of a landfill leachate separation apparatus according to an embodiment of the present application;
fig. 3 is a schematic view of an operating state of the landfill leachate separation device according to an embodiment of the present application.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.
With reference to fig. 1 to 3, an embodiment of the present application discloses a landfill leachate separation apparatus, which includes a sedimentation tank 10, wherein the sedimentation tank 10 is a box body surrounded by stainless steel plates and having an open top end, and the box body forms a chamber for settling landfill leachate.
In the scheme, the landfill leachate is settled in the chamber for 12-24 hours and then is layered into supernatant and turbid liquid, and the supernatant and the turbid liquid need to be respectively transported out for treatment after being completely layered.
The size of the sedimentation tank 10 can be set as required, and in the scheme, the sedimentation tank 10 is welded and fixed into a box body through stainless steel plates, so that the box body is easy to carry integrally.
The sedimentation tank can be built by brick laying and the like, but on one hand, the construction period is long and the cost is higher due to field construction; on the other hand, after the site selection is determined, the site selection cannot be changed as required, and the original sedimentation tank needs to be dismantled and rebuilt.
In order to introduce the landfill leachate into the sedimentation tank 10, an inclined guiding device 20 is disposed at the top opening of the sedimentation tank 10, and the guiding device 20 is used for feeding the external landfill leachate into the sedimentation tank 10.
The percolate can be fed into the sedimentation tank 10 at a controllable flow rate by means of a constant flow pump.
The guiding device 20 may be a guiding plate or a pipeline. In other embodiments, a liquid inlet valve can be arranged on the side wall of the sedimentation tank near the top end, and the shutoff of the percolate is controlled by the valve.
In order to collect the supernatant, an overflow port 11 for the supernatant to pass through is formed in one side wall of the sedimentation tank 10, and the length direction of the overflow port 11 extends in the vertical direction.
The baffle 30 is attached to the side wall of the sedimentation tank 10 and is shielded from the overflow port 11, and the lower edge of the baffle 30 is always lower than the lower edge of the overflow port 11 in the up-and-down moving process of the baffle 30.
In this case, the baffle 30 can change the height of the supernatant flowing through the overflow port 11 by moving up and down.
In the preferred embodiment, the baffle 30 is attached to the inner wall of the settling tank 10.
In the technical scheme, the percolate positioned in the sedimentation tank extrudes the baffle 30 on the surface of the inner wall of the sedimentation tank 10 under the action of pressure, so that the sealing property between the baffle and the sedimentation tank 10 can be improved.
In order to prevent the supernatant or the turbid liquid from flowing out of the sedimentation basin 10 from the contact surface between the baffle 30 and the sedimentation basin 10, a rubber strip (not shown) is further arranged between the baffle 30 and the contact surface of the sedimentation basin 10.
Further, in order to limit and guide the baffle 30, the inner wall surface of the sedimentation tank 10 may be further provided with a chute (not shown) which is engaged with the edge of the baffle 30, and both side edges of the baffle 30 are engaged and inserted in the chute and can move up and down along the chute.
The baffle 30 is generally shaped as a flat plate and may be made of metal, such as iron, stainless steel, aluminum alloy, etc. To facilitate viewing of the boundary between the supernatant and the turbid liquid, the baffle 30 is preferably made of a transparent material, such as transparent plexiglass.
In order to facilitate the observation of the boundary between the supernatant and the turbid liquid, in another embodiment, a transparent observation window (not shown) may be disposed on the side wall of the sedimentation basin 10, and the observation window is disposed on the side wall of the sedimentation basin 10 adjacent to or opposite to the baffle 30.
In one embodiment, the lifting of the baffle 30 is driven by a screw (not shown), and the baffle 30 is fixed to the bottom end of the screw. Specifically, a frame (not shown) is disposed above the sedimentation tank 10, and a nut (not shown) engaged with the screw rod is rotatably disposed on the frame, and the nut is driven to rotate to realize the up-and-down movement of the baffle 30.
In another embodiment, the nut is fixed on the top end of the baffle 30, and the up-and-down movement of the baffle 30 is realized by driving the screw rod to rotate.
In another embodiment, the up-and-down movement of the baffle 30 can be realized by conventional technical means such as a telescopic cylinder, rack engagement, belt transmission, etc., and the specific implementation manner of the present disclosure is not described in detail.
After the supernatant overflows, a drawer 40 is further arranged at the bottom of the sedimentation tank 10 for conveniently cleaning the turbid liquid at the bottom of the sedimentation tank 10. The bottom of the drawer 40 may be provided with rollers or rails to facilitate drawing in a horizontal direction.
In order to facilitate the drawing out of the drawer 40, a handle (not shown) may be disposed outside the drawer 40, and the handle may be protruded outside the drawer or recessed in an outer wall surface of the drawer 40, and the specific shape thereof is not limited in this embodiment.
In order to ensure the tightness between the drawer 40 and the sedimentation tank 10 when the landfill leachate is deposited and layered, a rubber strip is sealed between the joint surfaces of the drawer 40 and the sedimentation tank 10. Meanwhile, a locking device (not shown) may be disposed outside the drawer 40, and the locking device is used to press the drawer 40 against the sedimentation basin 10, so as to prevent the drawer 40 from moving in the horizontal direction during sedimentation and affecting the sealing performance. Specifically, the locking device may include a rotatable locking rod and a locking groove cooperating with the locking rod, the locking rod and the locking groove being respectively disposed on the drawer and the sedimentation tank.
The lower opening edge of the overflow opening 11 and the top edge of the drawer 40 are positioned at the same height, and the top edge of the baffle 30 can move downwards to the lower opening edge of the overflow opening 11. Thus, the baffle 30 can be moved as necessary to separate the supernatant from the turbid liquid to remove all of the supernatant.
Because of the influence of factors such as the components, seasons, viscosity and the like of the raw materials, after the leachate is completely precipitated, the height of the boundary between the supernatant and the turbid liquid is different, so that the boundary is higher than the top end of the drawer 40, in this case, if the baffle 30 directly moves downwards to the position of the top edge of the drawer 40, the supernatant and part of the turbid liquid flow out from the top end of the baffle 30 together, and the separation cannot be realized; if the baffle 30 is moved to the boundary position, although the separation of the supernatant can be realized, a part of turbid liquid still exists above the drawer, and the turbid liquid beyond the upper part of the drawer flows into the sedimentation tank 10 when the drawer is directly pulled out, so that the difficulty of cleaning is increased.
In order to solve the problem of complete separation of the supernatant and the turbid liquid, as shown in fig. 2, a first valve 12 for discharging the turbid liquid is further disposed on the sidewall of the sedimentation tank 10, and the first valve 12 and the top edge of the drawer 40 are at the same height.
In the present case, after the leachate is completely precipitated, when the boundary between the supernatant and the turbid liquid is higher than the top end of the drawer 40, the turbid liquid higher than the top end of the drawer 40 can be discharged and collected by opening the first valve 12.
In one embodiment, the first valve 12 is disposed at a side of the baffle 30 such that the baffle 30 does not collide with the first valve 12 when moving up and down.
In another embodiment, the first valve 12 may be disposed on the sidewall of the sedimentation tank 10 adjacent to the baffle 30.
To facilitate collection of the turbid liquid above drawer 40, first valve 12 may be connected to a hose (not shown) through which the turbid liquid is introduced into a separate container (not shown) for collection.
The first valve 12 may be a solenoid valve or a manual valve, and in case of a manual valve, it may be controlled outside the settling tank 10.
In order to collect the overflowing supernatant, a supernatant collecting tank 50 with an open top end is further arranged, the supernatant collecting tank 50 is adjacent to the sedimentation tank 10, an overflow port of the sedimentation tank 10 is communicated with the supernatant collecting tank 50, and the open top end of the supernatant collecting tank 50 is located below the overflow port of the sedimentation tank 10.
In a preferred embodiment, the supernatant collecting tank 50 and the sedimentation tank 10 share a side wall, which not only saves materials, but also facilitates the movement of the supernatant collecting tank 50 and the sedimentation tank 10 as a whole when they are made of stainless steel.
The bottom of the supernatant collecting tank 50 is provided with a second valve 51 for discharging the supernatant.
In one embodiment, the present disclosure provides a separation method for a landfill leachate separation device, including:
s1, sending the landfill leachate into a sedimentation tank for sedimentation, and layering the landfill leachate into a supernatant at the top layer and a turbid liquid at the lower layer;
s2, continuously feeding the landfill leachate, and enabling the supernatant to overflow through an overflow port;
s3, stopping feeding the landfill leachate, descending the top edge of the baffle plate to the top layer position of the turbid liquid or to the position below the bottom edge of the overflow port, and discharging all the supernatant; and/or
s4, opening the first valve to discharge the turbid liquid above the drawer.
In one embodiment, in step s2, when the supernatant begins to overflow from the overflow port, the velocity of the landfill leachate entering the sedimentation tank is reduced.
In one embodiment, in step s3, the feeding of landfill leachate is stopped when the level of the turbid liquid is higher than the top of the drawer.
The working principle and the flow of the landfill leachate separation device are explained through specific experiments.
Referring to fig. 1, the sedimentation basin 10 and the supernatant collection basin 50 are made of colorless transparent organic glass, wherein the length, width, height, drawer height, overflow port 11 height, and baffle height of the sedimentation basin 10 are respectively 200mm, 350mm, 170mm, 180mm, and 190 mm.
Example 1
Taking 20 liters of landfill leachate with the density of 1.013-1.030 (obtained at the bottom of a garbage piling pool of Ningbo kitchen garbage disposal Co., Ltd., room temperature of 15 ℃); the flapper is adjusted to be highest. And (3) allowing the landfill leachate to flow into the sedimentation tank 10 along the wall of the sedimentation tank 10 at the speed of 20ml/min by using a constant flow pump, and adjusting the constant flow pump when the liquid level reaches the bottom of the overflow port to reduce the inflow speed of the landfill leachate to 10 ml/min. It can be observed that the percolate begins to stratify in the sedimentation tank 10 and that the stratification becomes more and more pronounced with increasing residence time.
Twelve hours after the start of the experiment, supernatant began to overflow from the overflow port and flowed into the supernatant collection tank 50.
Twenty-four hours after the start of the experiment, the level of the lower layer of turbid liquid had settled down to 160 mm.
And closing the constant flow pump, lowering the movable baffle plate to the lowest position, discharging the supernatant to the supernatant collecting tank 50, opening the drawer, and taking out the lower-layer turbid liquid.
And respectively treating the supernatant and the lower turbid liquid.
Example 2
Juicing 25 kg of Chinese cabbage, sieving the obtained Chinese cabbage juice with a 20-mesh sieve, and taking 20L of the obtained Chinese cabbage juice for later use; the flapper is adjusted to be highest. And (3) allowing the Chinese cabbage juice to flow into the sedimentation tank 10 along the wall of the sedimentation tank 10 at the speed of 20ml/min by using a constant flow pump, and adjusting the constant flow pump when the liquid level reaches the bottom of the overflow port to reduce the inflow speed of the Chinese cabbage juice to 10 ml/min. It can be observed that the Chinese cabbage juice begins to be layered in the sedimentation tank 10, and the layering becomes more and more obvious along with the prolonging of the retention time.
Twelve hours after the start of the experiment, supernatant began to overflow from the overflow port and flowed into the supernatant collection tank 50.
Twenty-four hours after the start of the experiment, the level of the lower layer of turbid liquid had settled down to 179mm (above the overflow).
Closing the constant flow pump, lowering the movable baffle plate to the liquid level position of the lower-layer turbid liquid, and discharging the supernatant to the supernatant collecting tank 50; opening the first valve to discharge the turbid liquid higher than the drawer, then opening the drawer and taking out the lower layer turbid liquid; the turbid liquid discharged from the first valve is combined with the turbid liquid in the drawer.
And respectively treating the supernatant and the combined turbid solution.
Example 3
Juicing 25 kg of white radish, sieving the obtained white radish juice with a 20-mesh sieve, and taking 20 liters of the white radish juice for later use; the flapper is adjusted to be highest. And (3) allowing the white radish juice to flow into the sedimentation tank 10 along the wall of the sedimentation tank 10 at the speed of 20ml/min by using a constant flow pump, and adjusting the constant flow pump when the liquid level reaches the bottom of the overflow port to reduce the inflow speed of the white radish juice to 10 ml/min. It can be observed that the percolate begins to stratify in the sedimentation tank 10 and that the stratification becomes more and more pronounced with increasing residence time.
Twelve hours after the start of the experiment, supernatant began to overflow from the overflow port and flowed into the supernatant collection tank 50.
Twenty-four hours after the start of the experiment, the level of the lower layer of turbid liquid had settled down to 156 mm.
And closing the constant flow pump, lowering the movable baffle plate to the lowest position, discharging the supernatant to the supernatant collecting tank 50, opening the drawer, and taking out the lower-layer turbid liquid.
And respectively treating the supernatant and the lower turbid liquid.
Example 4
Taking 20 liters of landfill leachate with the density of 1.013-1.030 (obtained at the bottom of a garbage piling pool of Ningbo kitchen garbage disposal Co., Ltd., room temperature of 15 ℃); the flapper is adjusted to be highest. And (3) allowing the landfill leachate to flow into the sedimentation tank 10 along the wall of the sedimentation tank 10 at the speed of 20ml/min by using a constant flow pump, and adjusting the constant flow pump when the liquid level reaches the bottom of the overflow port to reduce the inflow speed of the landfill leachate to 10 ml/min. It can be observed that the percolate begins to stratify in the sedimentation tank 10 and that the stratification becomes more and more pronounced with increasing residence time.
Twelve hours after the start of the experiment, supernatant began to overflow from the overflow port and flowed into the supernatant collection tank 50.
Twenty-two hours after the start of the experiment, the level of the lower layer of turbid liquid had settled down to 170 mm.
And closing the constant flow pump, lowering the movable baffle plate to the lowest position, discharging the supernatant to the supernatant collecting tank 50, opening the drawer, and taking out the lower-layer turbid liquid.
And respectively treating the supernatant and the lower turbid liquid.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced 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 (7)
1. A landfill leachate separator, comprising:
the side wall of the sedimentation tank is provided with an overflow port for supernatant to pass through;
and the baffle is configured to shield the overflow port and change the height of the supernatant flowing through the overflow port by moving up and down.
2. The landfill leachate separating device of claim 1, wherein the bottom of the sedimentation tank is provided with a drawer for collecting sediments,
the drawer can enter or move out of the sedimentation tank in a horizontal direction.
3. The landfill leachate separating device of claim 1 or 2, further comprising a first valve disposed on the sidewall of the settling tank for discharging the turbid liquid,
the first valve and the top edge of the drawer are at the same height.
4. The landfill leachate separation device of claim 1, further comprising a supernatant collection tank adjacent to the settling tank, wherein the overflow port is in communication with the supernatant collection tank.
5. The landfill leachate separation device of claim 4, wherein the bottom of the supernatant collecting tank is provided with a second valve for discharging the supernatant.
6. The landfill leachate separation device of claim 1, wherein the baffle is located in the settling tank, and/or
The side wall of the sedimentation tank is made of stainless steel, and/or
And a transparent observation window is arranged on the side wall of the sedimentation tank.
7. The landfill leachate separation device of claim 1, further comprising a drainage device disposed above the settling tank and inclined to direct landfill leachate to the settling tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022617077.7U CN213760619U (en) | 2020-11-12 | 2020-11-12 | Garbage leachate separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022617077.7U CN213760619U (en) | 2020-11-12 | 2020-11-12 | Garbage leachate separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213760619U true CN213760619U (en) | 2021-07-23 |
Family
ID=76916197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022617077.7U Active CN213760619U (en) | 2020-11-12 | 2020-11-12 | Garbage leachate separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213760619U (en) |
-
2020
- 2020-11-12 CN CN202022617077.7U patent/CN213760619U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112370823A (en) | Garbage leachate separation device and method | |
| CN108046450A (en) | A kind of textile sewage recycles processing unit | |
| CN207680116U (en) | A kind for the treatment of tank of removal floating material | |
| CN213760619U (en) | Garbage leachate separation device | |
| CN219462611U (en) | Multistage continuous sedimentation device for laboratory ore pulp concentration | |
| CN217829200U (en) | Rural life glass steel sewage treatment jar | |
| CN110255740A (en) | A kind of Domestic sewage pretreatment unit | |
| CN212174627U (en) | Water circulating device for washing mine | |
| CN113248050A (en) | Municipal water treatment circulating device and method | |
| CN112742076A (en) | Dredging system suitable for perforating sludge discharge pipe | |
| CN215310460U (en) | Large-scale plug processing apparatus of municipal administration sewage treatment | |
| JP7292372B2 (en) | Method and apparatus for reducing water content of wastewater sludge | |
| CN219376212U (en) | Landfill leachate collector | |
| CN210163304U (en) | Efficient ditch mud separator | |
| CN214714806U (en) | Sewage treatment device for catering leachate | |
| CN116495962B (en) | River sludge dewatering and consolidation integrated treatment process | |
| CN220788338U (en) | Purification device for biochemical effluent of landfill leachate treatment | |
| CN216445155U (en) | A device for endangering useless waste water treatment | |
| CN215276160U (en) | Novel distributed sewage treatment complete high-efficiency secondary sedimentation tank | |
| CN113750640B (en) | Solid-liquid separator, use method and garbage treatment equipment | |
| CN217041476U (en) | Detection type garbage leachate treatment device | |
| CN215365146U (en) | Water treatment wastewater recycling device | |
| CN216324113U (en) | Filtration type treatment device for percolate in solid waste landfill | |
| CN214130694U (en) | Novel sedimentation tank | |
| CN211898860U (en) | Sewage lifting mechanism with solid-liquid separation formula water-collecting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |