CN216946652U - Membrane method high-pressure permeation type garbage leachate treatment device - Google Patents
Membrane method high-pressure permeation type garbage leachate treatment device Download PDFInfo
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- CN216946652U CN216946652U CN202220721620.4U CN202220721620U CN216946652U CN 216946652 U CN216946652 U CN 216946652U CN 202220721620 U CN202220721620 U CN 202220721620U CN 216946652 U CN216946652 U CN 216946652U
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Abstract
The utility model discloses a membrane high-pressure osmosis type garbage leachate treatment device, which comprises a sedimentation tank, a biological anaerobic tank, an aeration tank, a pretreatment filter, a high-pressure water pump and a high-pressure osmosis type filter tank which are connected in sequence; high pressure permeation formula filtering ponds include the cell body, upper portion in the cell body is equipped with the baffle, upward be equipped with a set of annular evenly distributed's toper pressure hole on the baffle, toper pressure hole below is equipped with hollow structure's the cylindrical osmotic membrane group in upper portion, the below of the cylindrical osmotic membrane group in upper portion is equipped with the median septum, be equipped with the center that is located the inside and outside both sides of the cylindrical osmotic membrane group in upper portion on the median septum and permeate water hole and annular groove of permeating water, the center is permeated water the hole below and is equipped with central osmotic membrane group, annular groove below of permeating water is equipped with annular osmotic membrane group, the below of central osmotic membrane group and annular osmotic membrane group is equipped with down the baffle. The utility model has the characteristics of effectively improving the filtering effect and shortening the filtering time.
Description
Technical Field
The utility model relates to a landfill leachate treatment device, in particular to a membrane high-pressure permeation type landfill leachate treatment device.
Background
The two main reasons for generating the landfill leachate in the waste incineration power plant are that firstly, the water leaked out during the accumulation of the garbage is utilized; secondly, before being sent into the incinerator, the garbage needs to be pushed by a garbage pushing mechanism, and leachate flows out in the process. Since landfill leachate is a liquid containing high-concentration organic or inorganic components and cannot be directly discharged, it needs to be filtered. At present, the treatment of landfill leachate mainly comprises the following processes: firstly, removing most impurities and sludge through sedimentation treatment of a sedimentation tank; then the clarified leachate is introduced into an anaerobic tank for anaerobic reaction; then carrying out aerobic reaction through an aeration tank; finally, the whole filtration is finished after the secondary sedimentation tank and the activated carbon adsorption filtration. However, the traditional filtering method has a general filtering effect, and the required filtering time is long, so that the efficiency is low. Therefore, the prior art has the problems of general filtering effect and long filtering time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a membrane high-pressure infiltration type landfill leachate treatment device. The utility model has the characteristics of effectively improving the filtering effect and shortening the filtering time.
The technical scheme of the utility model is as follows: the membrane method high-pressure infiltration type garbage percolate treatment device comprises a sedimentation tank, a biological anaerobic tank, an aeration tank, a pretreatment filter, a high-pressure water pump and a high-pressure infiltration type filter tank which are connected in sequence; high pressure permeation formula filtering ponds include the cell body, upper portion in the cell body is equipped with the baffle, upward be equipped with a set of annular evenly distributed's toper pressure hole on the baffle, toper pressure hole below is equipped with hollow structure's the cylindrical osmotic membrane group in upper portion, the below of the cylindrical osmotic membrane group in upper portion is equipped with the median septum, be equipped with the center that is located the inside and outside both sides of the cylindrical osmotic membrane group in upper portion on the median septum and permeate water hole and annular groove of permeating water, the center is permeated water the hole below and is equipped with central osmotic membrane group, annular groove below of permeating water is equipped with annular osmotic membrane group, the below of central osmotic membrane group and annular osmotic membrane group is equipped with down the baffle.
In the membrane high-pressure permeation type landfill leachate treatment device, the sections of the central permeable hole and the annular permeable groove are both of a trapezoidal structure with a large upper part and a small lower part.
In the membrane-method high-pressure-permeation-type landfill leachate treatment device, the cylindrical permeation membrane group and the central permeation membrane group both comprise cylindrical membrane shells, and reverse osmosis membranes are arranged on the cylindrical wall surfaces of the cylindrical membrane shells; the annular osmotic membrane group includes annular casing, and the inside and outside both sides of annular casing all are equipped with annular reverse osmosis membrane.
In the membrane-method high-pressure-permeation-type landfill leachate treatment device, the lower partition plate is provided with a water permeable channel which is positioned between the central permeation membrane group and the annular permeation membrane group and is positioned outside the annular permeation membrane group.
In the membrane-method high-pressure-permeation-type landfill leachate treatment device, the annular water permeable groove and the water permeable channel are respectively provided with a connecting rod.
In the membrane high-pressure permeation type landfill leachate treatment device, a middle sewage draining outlet corresponding to the upper cylindrical permeation membrane group is arranged below the middle partition plate, and lower sewage draining outlets corresponding to the central permeation membrane group and the annular permeation membrane group respectively are arranged below the lower partition plate; the middle sewage draining port and the lower sewage draining port are connected with a sewage draining pool outside the pool body through pipelines; electromagnetic valves are arranged on the middle sewage draining outlet and the lower sewage draining outlet; the side wall surface of the tank body is also provided with a plurality of back washing ports which are connected with a cleaning pipe and a cleaning pump.
Compared with the prior art, the utility model consists of a sedimentation tank, a biological anaerobic tank, an aeration tank, a pretreatment filter, a high-pressure water pump and a high-pressure permeation type filter tank, and the traditional secondary sedimentation tank is replaced by the pretreatment filter and the high-pressure permeation type filter tank, so that the filtering effect can be effectively improved, and the filtering time can be greatly shortened. In particular, the upper cylindrical osmosis membrane group, the central osmosis membrane group and the annular osmosis membrane group which are arranged in the high-pressure permeation type filtering tank are matched with each other to finish the graded filtering of the garbage percolate, so that the filtering effect can be effectively improved, the filtering efficiency can be improved, and the filtering time can be shortened; meanwhile, the conical pressurizing holes are formed in the upper partition plate, and the sections of the central permeable hole and the annular permeable groove are in a trapezoidal structure with the larger upper part and the smaller lower part, so that the filtering water pressure can be increased, and the filtering efficiency is improved. In conclusion, the utility model has the characteristics of effectively improving the filtering effect and shortening the filtering time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural view of a high pressure permeate filtration tank;
fig. 3 is a structural view of a pretreatment filter.
The labels in the figures are: 1-sedimentation tank, 2-biological anaerobic tank, 3-aeration tank, 4-pretreatment filter, 5-high pressure water pump, 6-high pressure permeation type filter tank, 7-connecting rod, 8-middle sewage draining outlet, 9-lower sewage draining outlet, 10-back flushing outlet, 601-tank body, 602-upper baffle, 603-conical pressurizing hole, 604-upper cylindrical permeable membrane group, 605-middle baffle, 606-central permeable hole, 607-annular permeable tank, 608-central permeable membrane group, 609-annular permeable membrane group, 610-lower baffle, 611-permeable channel, 401-adsorption tank body, 402-inclined activated carbon adsorption layer, 403-liquid inlet and 404-liquid outlet.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.
Examples are given. A membrane method high pressure infiltration type landfill leachate treatment device is shown in figures 1 to 3 and comprises a sedimentation tank 1, a biological anaerobic tank 2, an aeration tank 3, a pretreatment filter 4, a high pressure water pump 5 and a high pressure infiltration type filter tank 6 which are connected in sequence; the high-pressure permeation type filtering pond 6 comprises a pond body 601, an upper partition 602 is arranged at the upper part in the pond body 601, a group of annular uniformly distributed conical pressurizing holes 603 are arranged on the upper partition 602, an upper cylindrical permeable membrane group 604 with a hollow structure is arranged below the conical pressurizing holes 603, a middle partition 605 is arranged below the upper cylindrical permeable membrane group 604, a central permeable hole 606 and an annular permeable groove 607 which are positioned at the inner side and the outer side of the upper cylindrical permeable membrane group 604 are arranged on the middle partition 605, a central permeable membrane group 608 is arranged below the central permeable hole 606, an annular permeable membrane group 609 is arranged below the annular permeable groove 607, and a lower partition 610 is arranged below the central permeable membrane group 608 and the annular permeable membrane group 609.
The sections of the central water permeable hole 606 and the annular water permeable groove 607 are both in a trapezoidal structure with a large top and a small bottom.
The cylindrical permeable membrane group 604 and the central permeable membrane group 608 both comprise cylindrical membrane shells, and reverse osmosis membranes are arranged on the cylindrical wall surfaces of the cylindrical membrane shells; the annular permeable membrane group 609 comprises an annular shell, and annular reverse osmosis membranes are arranged on the inner side and the outer side of the annular shell.
The lower baffle plate 610 is provided with a water permeable channel 611 which is positioned between the central permeable membrane group 608 and the annular permeable membrane group 609 and is positioned outside the annular permeable membrane group 609.
And the annular water permeable groove 607 and the water permeable channel 611 are both provided with a connecting rod 7.
A middle sewage draining outlet 8 corresponding to the upper cylindrical permeable membrane group 604 is arranged below the middle partition 605, and a lower sewage draining outlet 9 corresponding to the central permeable membrane group 608 and the annular permeable membrane group 609 is arranged below the lower partition 610; the middle sewage draining exit 8 and the lower sewage draining exit 9 are connected with a sewage draining pool outside the pool body 601 through pipelines; the middle sewage draining exit 8 and the lower sewage draining exit 9 are both provided with electromagnetic valves; the side wall surface of the tank body 601 is also provided with a plurality of back washing ports 10, and the back washing ports 10 are connected with a cleaning pipe and a cleaning pump.
The pretreatment filter 4 comprises an adsorption box body 401, a plurality of layers of inclined activated carbon adsorption layers 402 which are distributed up and down are arranged in the adsorption box body 401, a liquid inlet 403 is arranged at the upper end of the adsorption box body 401, and a liquid outlet 404 is arranged at the lower end of the adsorption box body 401.
The inclined arrangement of the inclined activated carbon adsorption layer can increase the contact area and time between the percolate and the activated carbon and improve the filtering effect.
The upper part of the tank body is provided with a water inlet, the lower part of the tank body is provided with a water outlet, and the water inlet and the water outlet are both provided with valves.
The filtration process of the high-pressure permeation type filter tank is as follows: under the action of a high-pressure water pump, high-pressure percolate enters the upper part of the upper partition plate, flows into the upper cylindrical osmotic membrane group from the conical pressurizing hole, flows out of the outer side of the upper cylindrical osmotic membrane after being filtered by a reverse osmosis membrane, and then flows into the lower central osmotic membrane group and the lower annular osmotic membrane group from the central permeable hole and the annular permeable groove of the middle partition plate to be subjected to secondary membrane filtration; and finally, the leachate after the secondary filtration flows out of the water permeable channel and is discharged through a pipeline.
When the reverse osmosis membrane is required to be cleaned, valves on a water inlet and a water outlet of the tank body are closed, then the electromagnetic valve and the cleaning pump are opened, cleaning liquid flows into the tank body from the back flushing port, the reverse flushing is carried out on the osmosis membrane at each position, and impurities adhered to the inner wall surface of the osmosis membrane are discharged into the sewage discharging tank from the middle sewage discharging port and the lower sewage discharging port.
The garbage leachate treatment process of the utility model comprises the following steps: sending the garbage leachate into a settling tank for settling treatment to remove most impurities and sludge, sending supernatant liquid of an upper layer into an anaerobic tank for anaerobic treatment, then sending the leachate after the anaerobic treatment into an aeration tank for reaction, then sending the leachate into a pretreatment filter for filtration, adsorbing the impurities in the leachate by using activated carbon on a tilting activated carbon adsorption layer, and then sending the leachate into a high-pressure permeable filtering tank under the action of a high-pressure pump for filtration of a reverse osmosis membrane; and finally, discharging the filtered percolate.
Claims (6)
1. Membrane method high pressure infiltration formula landfill leachate processing apparatus, its characterized in that: comprises a sedimentation tank (1), a biological anaerobic tank (2), an aeration tank (3), a pretreatment filter (4), a high-pressure water pump (5) and a high-pressure permeation type filter tank (6) which are connected in sequence; the high-pressure permeation type filter tank (6) comprises a tank body (601), an upper partition plate (602) is arranged on the upper portion in the tank body (601), a group of annular uniformly distributed conical pressurizing holes (603) are formed in the upper partition plate (602), a hollow-structure upper cylindrical permeable membrane group (604) is arranged below the conical pressurizing holes (603), a middle partition plate (605) is arranged below the upper cylindrical permeable membrane group (604), a central permeable hole (606) and an annular permeable groove (607) which are located on the inner side and the outer side of the upper cylindrical permeable membrane group (604) are formed in the middle partition plate (605), a central permeable membrane group (608) is arranged below the central permeable hole (606), an annular permeable membrane group (609) is arranged below the annular permeable groove (607), and a lower partition plate (610) is arranged below the central permeable membrane group (608) and the annular permeable membrane group (609).
2. The membrane process high-pressure osmosis type landfill leachate treatment device according to claim 1, wherein: the sections of the central water permeable hole (606) and the annular water permeable groove (607) are both in a trapezoidal structure with a big top and a small bottom.
3. The membrane process high pressure osmosis type landfill leachate treatment device of claim 1, wherein: the cylindrical permeable membrane group (604) and the central permeable membrane group (608) both comprise cylindrical membrane shells, and reverse osmosis membranes are arranged on the cylindrical wall surfaces of the cylindrical membrane shells; the annular permeable membrane group (609) comprises an annular shell, and annular reverse osmosis membranes are arranged on the inner side and the outer side of the annular shell.
4. The membrane process high pressure osmosis type landfill leachate treatment device of claim 1, wherein: and the lower partition plate (610) is provided with a water permeable channel (611) which is positioned between the central permeable membrane group (608) and the annular permeable membrane group (609) and positioned outside the annular permeable membrane group (609).
5. The membrane process high pressure osmosis type landfill leachate treatment device of claim 4, wherein: and the annular water permeable groove (607) and the water permeable channel (611) are respectively provided with a connecting rod (7).
6. The membrane process high-pressure osmosis type landfill leachate treatment device according to claim 1, wherein: a middle sewage draining outlet (8) corresponding to the upper cylindrical permeable membrane group (604) is arranged below the middle partition plate (605), and a lower sewage draining outlet (9) corresponding to the central permeable membrane group (608) and the annular permeable membrane group (609) is arranged below the lower partition plate (610); the middle sewage draining port (8) and the lower sewage draining port (9) are connected with a sewage draining tank outside the tank body (601) through pipelines; electromagnetic valves are arranged on the middle sewage draining outlet (8) and the lower sewage draining outlet (9); a plurality of back washing ports (10) are also arranged on the side wall surface of the tank body (601), and the back washing ports (10) are connected with a cleaning pipe and a cleaning pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220721620.4U CN216946652U (en) | 2022-03-30 | 2022-03-30 | Membrane method high-pressure permeation type garbage leachate treatment device |
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| CN202220721620.4U CN216946652U (en) | 2022-03-30 | 2022-03-30 | Membrane method high-pressure permeation type garbage leachate treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114644432A (en) * | 2022-03-30 | 2022-06-21 | 丽水旺能环保能源有限公司 | Membrane method high pressure infiltration formula landfill leachate processing apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114644432A (en) * | 2022-03-30 | 2022-06-21 | 丽水旺能环保能源有限公司 | Membrane method high pressure infiltration formula landfill leachate processing apparatus |
| CN114644432B (en) * | 2022-03-30 | 2023-12-12 | 丽水旺能环保能源有限公司 | Membrane method high-pressure permeation type garbage leachate treatment device |
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