CN219929848U - Pretreatment device for landfill leachate - Google Patents
Pretreatment device for landfill leachate Download PDFInfo
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- CN219929848U CN219929848U CN202320730353.1U CN202320730353U CN219929848U CN 219929848 U CN219929848 U CN 219929848U CN 202320730353 U CN202320730353 U CN 202320730353U CN 219929848 U CN219929848 U CN 219929848U
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- sludge
- pipe
- box
- box body
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- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 21
- 239000010802 sludge Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 7
- 238000007781 pre-processing Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 18
- 238000005192 partition Methods 0.000 abstract description 8
- 238000001556 precipitation Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a pretreatment device for landfill leachate, which comprises a box body, wherein one side of the box body is communicated with a water inlet pipe, the water inlet pipe is communicated with a filtering device, a sludge pool is arranged below the filtering device, a sludge pipe is arranged in the sludge pool, the sludge pipe is connected with a sludge pump, the side wall of sludge Chi Lingyi is fixedly connected with a partition plate, the other side of the box body is fixedly communicated with a water outlet pipe, and an oil suction device is arranged between the water outlet pipe and the partition plate. According to the utility model, impurities in the percolate are precipitated in the sludge tank, because the sludge pipe is attached to the inclined side wall of the sludge tank, the precipitation cannot block the sludge pipe, and the sludge pump can pump away the precipitated sludge; large-particle impurities in the percolate are filtered by the filter screen, and when the filter screen needs to be cleaned, the upper cover is opened, the tool is used for hooking the pull ring, and the filter screen is taken out; the percolate discharged from the water outlet pipe is filtered by the filter screen cylinder, so that residual impurities in the percolate are filtered, and pure percolate is obtained.
Description
Technical Field
The utility model relates to the technical field of landfill leachate pretreatment equipment, in particular to a pretreatment device for landfill leachate.
Background
The landfill leachate refers to a black or yellow brown liquid with malodorous taste and high concentration of organic or inorganic components formed by physical, biological or chemical reactions such as backlog, fermentation, dissolution and the like in the whole process of garbage collection, transportation, treatment and disposal and the like. If the landfill leachate of the landfill is pretreated in time and then collected for subsequent treatment, the treatment of the landfill leachate can be facilitated.
The utility model discloses a wastewater pretreatment device (bulletin number: CN 214158838U) for leachate of a waste transfer station, which is characterized in that a treatment assembly and a filtering assembly are arranged, a booster pump is conveyed into a treatment box through a liquid inlet pipe, the filtering assembly filters impurities, an oil pump is operated by regular energization, oil stains on one side of an oil separation plate, which is away from an electric control cabinet, are pumped out through an oil delivery pipe by the oil pump, the purpose of removing impurities and oil stains in the leachate is achieved, the subsequent efficient treatment of the leachate is facilitated, and the treatment cost of the leachate is reduced; through setting up the filter component, the filter screen blocks impurity in the leachate, reaches the purpose of getting rid of impurity in the leachate, regularly clears up impurity on the filter screen, guarantees the normal operating of filter component; the waste water pretreatment device for the leachate of the refuse transfer station has a simple structure, is convenient and quick to operate, and is convenient for market popularization and application.
However, the sludge inlet pipe is uniformly distributed above the sludge conveying pipe, impurities of the leachate are precipitated in the treatment box and can directly fall into the sludge inlet pipe, the structure of the precipitate is complex, and the condition that the sludge inlet pipe is blocked possibly exists, so that a pretreatment device of the landfill leachate is needed.
Disclosure of Invention
The utility model aims to provide a pretreatment device for landfill leachate, which is characterized in that impurities in the landfill leachate are precipitated in a sludge tank and pumped away by the sludge pump through the design of a baffle plate, a filter tank, a sludge pipe and a sludge pump, so that the problems in the background art are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a preprocessing device of landfill leachate, includes the box, the fixed intercommunication in one side of box has the inlet tube, the inlet tube communicates in filter equipment, the filter equipment below is provided with the sludge impoundment, sludge impoundment fixed connection in subaerial and the setting of interior of box are trapezoidal, the sludge impoundment connect in one side fixed mounting of box has the mud pipe, the mud pipe run through in a side wall fixedly connected with sludge pump of box, mud Chi Lingyi lateral wall fixedly connected with baffle, the bottom fixedly connected with of baffle in the interior bottom of box, the top of baffle with be provided with liquid passage between the bottom of box, the opposite side fixed intercommunication of box has the outlet pipe, the outlet pipe with be provided with oil absorption device between the baffle.
Preferably, the filtering device comprises a filtering tank fixedly connected above the box body, and a filter screen is arranged at the bottom of the filtering tank.
Preferably, the bottom of filtering ponds is provided with the standing groove, be provided with spacing limit on the frame of filter screen, spacing limit is placed on the standing groove, be provided with the pull ring on the spacing limit, the top of filtering ponds is provided with the upper cover, the upper cover articulates on the lateral wall of box.
Preferably, a funnel is fixedly connected to the bottom of the filter tank, a filtrate pipe is fixedly communicated with the bottom of the funnel, and the filtrate pipe extends into the sludge tank.
Preferably, the oil suction device comprises an oil suction pump fixedly installed on the box body, an oil suction pipe is connected to the oil suction pump, the oil suction pipe penetrates through the top of the box body and extends to be close to the inner top of the box body, an oil separation plate is arranged on one side, close to the water outlet pipe, of the oil suction pipe, the top of the oil separation plate is fixedly connected to the top of the box body, and the bottom of the oil separation plate is suspended above the bottom in the box body.
Preferably, the water outlet pipe is provided with a mounting groove, the mounting groove is fixedly provided with a filter screen cylinder through a bolt, the water outlet pipe is provided with an outer cover, and the outer cover is hinged to the other side wall of the box body.
Compared with the prior art, the utility model has the beneficial effects that:
through the design of the baffle plate, the filter tank, the sludge pipe and the sludge pump, impurities in the landfill leachate are precipitated in the sludge tank, the sludge pipe is attached to the inclined side wall of the sludge tank, the sludge pipe cannot be blocked by the precipitation, and the sludge pump can pump the precipitated sludge; through the design of the filtering device, large-particle impurities in the landfill leachate are filtered, and when the filter screen is required to be cleaned, the upper cover is opened, the tool is used for hooking the pull ring, and the filter screen is taken out for cleaning or replacement, so that the device is very convenient; through the design of filter screen cylinder for the filterable liquid of exhaust is filtered by the filter screen cylinder, remains impurity in the filterable liquid and is filtered, thereby obtains purer filterable liquid, makes things convenient for subsequent processing.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a filter device according to the present utility model;
fig. 3 is a schematic structural view of a water outlet pipe according to the present utility model.
In the figure: 1. a case; 2. a filtering device; 201. a filtering tank; 202. a filter screen; 203. a placement groove; 204. limit edges; 205. a pull ring; 206. an upper cover; 207. a funnel; 208. a filtrate pipe; 3. a sludge pool; 4. a sludge pipe; 5. a sludge pump; 6. a partition plate; 7. a water outlet pipe; 701. a mounting groove; 702. a filter screen cylinder; 703. an outer cover; 8. an oil absorbing device; 801. an oil suction pump; 802. an oil suction pipe; 803. an oil separator.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution:
as shown in fig. 1 and 2, a preprocessing device of landfill leachate, including box 1, the fixed intercommunication in one side of box 1 has the inlet tube, the inlet tube communicates in filter equipment 2, filter equipment 2 includes the filter tank 201 of fixed connection in the box top, filter screen 202 has been placed to the bottom of filter tank 201, the bottom of filter tank 201 is provided with standing groove 203, be provided with spacing limit 204 on the frame of filter screen 202, spacing limit 204 is placed on standing groove 203, be provided with pull ring 205 on the spacing limit 204, the top of filter tank 201 is provided with upper cover 206, upper cover 206 articulates on the lateral wall of box 1, the bottom fixedly connected with funnel 207 of filter tank 201, the fixed intercommunication in bottom of funnel 207 has filtrate pipe 208, filtrate pipe 208 extends to in the sludge impoundment 3. The leachate is discharged into the filtering tank 201 through the water inlet pipe, large-particle impurities are filtered, and when the filter screen is required to be cleaned, the upper cover is opened, the tool is used for hooking the pull ring, and the filter screen is taken out for cleaning or replacement.
As shown in fig. 1, a sludge tank 3 is arranged below the filtering device 2, the sludge tank 3 is fixedly connected to the inner ground of the tank body 1 and is arranged into an inverted trapezoid shape, one side of the tank body 1 is fixedly provided with a sludge pipe 4, the sludge pipe 4 penetrates through a sludge pump 5 fixedly connected to one side wall of the tank body 1, the other side wall of the tank body 3 is fixedly connected with a partition plate 6, the bottom of the partition plate 6 is fixedly connected to the inner bottom of the tank body 1, a liquid channel is arranged between the top of the partition plate 6 and the bottom of the tank body 1, filtered percolate enters the sludge tank 3, impurities therein are precipitated in the sludge tank 3, a lot of precipitation is accumulated, and the precipitation is pumped away through the sludge pump 5.
As shown in fig. 1 and 3, the other side of the box 1 is fixedly communicated with a water outlet pipe 7, and an oil suction device 8 is arranged between the water outlet pipe 7 and the partition plate 6. The oil suction device 8 comprises an oil suction pump 801 fixedly mounted on the box body, an oil suction pipe 802 is connected to the oil suction pump 801, the oil suction pipe 802 penetrates through the top of the box body 1 and extends to be close to the inner top of the box body 1, an oil separation plate 803 is arranged on one side, close to the water outlet pipe 7, of the oil suction pipe 802, the top of the oil separation plate 803 is fixedly connected to the top of the box body 1, the bottom of the oil separation plate 803 is suspended above the inner bottom of the box body 1, a mounting groove 701 is formed in the water outlet pipe 7, a filter screen cylinder 702 is fixedly mounted on the mounting groove 701 through bolts, an outer cover 703 is arranged on the water outlet pipe 7, and the outer cover 703 is hinged to the other side wall of the box body 1. Supernatant fluid in the sludge tank 3 overflows the baffle 6, oily substances float above water and are blocked by the oil separation plate 803, and finally are sucked away by the oil suction pump 801, liquid on the lower layer enters the other side of the oil separation plate 803 from the lower side of the oil separation plate 803 and is finally pumped away by the water pump through the water outlet pipe 7, and the impurities involved in the filtering barrel 702 can be filtered away by the filtering barrel 702, when the filtering barrel 702 needs to be maintained, the outer cover 703 is opened, and the filtering barrel 702 is detached for maintenance or replacement.
Working principle: the leachate is discharged into the filter tank 201 and filtered by the filter screen 202, is discharged into the sludge tank 3 through the funnel 207, impurities in the leachate are precipitated in the sludge tank 3, the precipitates are accumulated for a period of time and then pumped out by the sludge pump 5, supernatant fluid in the sludge tank 3 enters the oil suction device 8, oily substances in the supernatant fluid float above and are sucked out by the oil suction pump 802, aqueous liquid flows to the other side of the partition board 6 and is pumped out by the water pump from the water outlet pipe 7, and the residual impurities are filtered out by the filter cartridge 702 arranged on the water outlet pipe 7.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a preprocessing device of landfill leachate, includes box (1), its characterized in that: one side of box (1) fixedly communicates there is the inlet tube, the inlet tube communicates in filter equipment (2), filter equipment (2) below is provided with mud pond (3), mud pond (3) fixedly connected in subaerial and the setting of interior of box (1) are trapezoidal, mud pond (3) connect in one side fixed mounting of box (1) has mud pipe (4), mud pipe (4) run through in one side wall fixedly connected with sludge pump (5) of box (1), another lateral wall fixedly connected with baffle (6) of mud pond (3), the bottom fixedly connected with of baffle (6) in the interior bottom of box (1), the top of baffle (6) with be provided with liquid passage between the bottom of box (1), the opposite side fixedly connected with outlet pipe (7) of box (1), outlet pipe (7) with be provided with oil absorption device (8) between baffle (6).
2. A pretreatment device for landfill leachate according to claim 1, wherein: the filtering device (2) comprises a filtering tank (201) fixedly connected above the box body, and a filter screen (202) is arranged at the bottom of the filtering tank (201).
3. A pretreatment device for landfill leachate according to claim 2, wherein: the bottom of filtering ponds (201) is provided with standing groove (203), be provided with spacing limit (204) on the frame of filter screen (202), spacing limit (204) are placed on standing groove (203), be provided with pull ring (205) on spacing limit (204), the top of filtering ponds (201) is provided with upper cover (206), upper cover (206) articulates on the lateral wall of box (1).
4. A pretreatment device for landfill leachate according to claim 2, wherein: the bottom of filtering ponds (201) fixedly connected with funnel (207), the bottom of funnel (207) fixedly communicates has filtrate pipe (208), filtrate pipe (208) extend to in sludge impoundment (3).
5. A pretreatment device for landfill leachate according to claim 1, wherein: the oil suction device (8) comprises an oil suction pump (801) fixedly installed on a box body, an oil suction pipe (802) is connected to the oil suction pump (801), the oil suction pipe (802) penetrates through the top of the box body (1) and extends to be close to the inner top of the box body (1), an oil separation plate (803) is arranged on one side, close to the water outlet pipe (7), of the oil suction pipe (802), the top of the oil separation plate (803) is fixedly connected to the top of the box body (1), and the bottom of the oil separation plate (803) is suspended above the inner bottom of the box body (1).
6. A pretreatment device for landfill leachate according to claim 1, wherein: the water outlet pipe (7) is provided with a mounting groove (701), the mounting groove (701) is fixedly provided with a filter screen cylinder (702) through bolts, the water outlet pipe (7) is provided with an outer cover (703), and the outer cover (703) is hinged to the other side wall of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320730353.1U CN219929848U (en) | 2023-04-01 | 2023-04-01 | Pretreatment device for landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320730353.1U CN219929848U (en) | 2023-04-01 | 2023-04-01 | Pretreatment device for landfill leachate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219929848U true CN219929848U (en) | 2023-10-31 |
Family
ID=88502963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320730353.1U Active CN219929848U (en) | 2023-04-01 | 2023-04-01 | Pretreatment device for landfill leachate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219929848U (en) |
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2023
- 2023-04-01 CN CN202320730353.1U patent/CN219929848U/en active Active
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