CN214194846U - Mine pit type refuse landfill rainwater drainage system - Google Patents
Mine pit type refuse landfill rainwater drainage system Download PDFInfo
- Publication number
- CN214194846U CN214194846U CN202022022962.0U CN202022022962U CN214194846U CN 214194846 U CN214194846 U CN 214194846U CN 202022022962 U CN202022022962 U CN 202022022962U CN 214194846 U CN214194846 U CN 214194846U
- Authority
- CN
- China
- Prior art keywords
- rainwater
- drainage
- landfill
- pump
- unit
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Sewage (AREA)
Abstract
The utility model provides a pit type refuse landfill rainwater drainage guide system lays the multilayer anchor platform in the vertical direction of landfill, all sets up the layering that the catch basin is used for the rainwater on every layer of anchor platform and collects, sets up the drainage that sump pit and pump drainage pump are used for the rainwater at the catch basin minimum point department to cover the membrane temporarily to landfill storehouse area whole full-spread HDPE in advance, derive the rainwater through the mode that sets up interim rainwater pump drainage pump on the membrane. The utility model discloses an adopt the scheme that the drainage combines interim overburden upper portion pump drainage is led in the layering separation on the vertical direction, realized the distribution of rain and sewage of landfill, for pit type landfill rainwater drainage difficulty provides a solution, have very strong engineering guidance meaning.
Description
Technical Field
The utility model relates to a landfill technical field, concretely relates to pit type refuse landfill's rainwater drainage guide system.
Background
Abandoned open pit is the remaining abandoned land that is created after the end of an open pit mining campaign. China is a large mining country, mining brings development to the country, and meanwhile, a large amount of land resources are damaged in a form of digging and damaging, so that the recycling of the abandoned open pit is important content for protecting the environment and recycling resources, and the recycling of the abandoned open pit is an important direction for being used as a refuse landfill.
The abandoned open pit is used as a refuse landfill, the capacity of the pit can be fully utilized, the problem that the filled pit is short of fillers can be solved, the ecological problem of different places caused by removing other places to fetch earth can not be generated, and the problem of land occupation of refuse is solved. However, compared with the conventional valley type or plain type refuse landfill, the pit type refuse landfill has the problem of difficulty in guiding and discharging rainwater, and rainwater and sewage are mixed due to untimely rainwater accumulation and drainage, so that the output of landfill leachate is greatly increased, and the surrounding environment is harmed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a pit type refuse landfill's rainwater drainage guide system to solve pit type refuse landfill rainwater dirty reposition of redundant personnel not thorough, filtration liquid output is big and the running cost is high problem.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a pit type refuse landfill rainwater drainage guide system lays multilayer anchor platform at first on the vertical direction of landfill, rainwater drainage guide system including setting up rainwater collection unit and rainwater drainage guide unit on every layer of anchor platform and setting up the rainwater on outermost anchor platform and hold back the unit, the play water end of rainwater collection unit with the end of intaking of rainwater drainage guide unit is connected, the play water end of rainwater drainage guide unit with the rainwater holds back the end of intaking of unit and is connected, the play water end that the unit was held back to the rainwater is connected with the low reaches gully.
In the technical scheme, each layer of the anchoring platform is an anchoring platform arranged along the circumferential direction of the landfill site, the rainwater collection unit comprises a water collection ditch and a water collection well which are distributed on the anchoring platform, the water collection ditch is distributed on the anchoring platform for a circle, the water collection well is arranged at the lowest point of the circle of water collection ditch and is communicated with the water collection well, rainwater is collected by the water collection ditch, and then flows from the high point to the place to enter the water collection well through the action of gravity.
Further, the sectional area of the water collecting ditch is set to be 0.09-1.0 m2And the volume of the water collecting well meets the pumping capacity of the pumping pump for 30 seconds to 2 minutes.
In the technical scheme, each water collecting well is internally provided with a pumping drainage pump, the pumping drainage pump is connected with a drainage pipe for draining rainwater in the water collecting well, the pumping drainage pump and the drainage pipe form a rainwater guide and drainage unit, the drainage pipe is connected with the flood interception ditch, and water in the water collecting well is drained into the flood interception ditch through the pumping drainage pump and the drainage pipe and further drained into an outside downstream gully. The pump flow here is equal to the storm production in the service area during the 1 year of the reoccurrence period.
In the above technical scheme, the rainwater interception unit is a flood interception ditch, the water outlet end of the flood interception ditch is connected with the downstream gully, and further, the sectional area of the flood interception ditch is 1.0-1.68 m2。
In the technical scheme, the rainwater guiding and draining system further comprises a temporary covering film, wherein the temporary covering film is paved on the inner surface of the whole landfill site, is paved along the groove surface of the water collecting groove when meeting the water collecting groove, and is provided with a hole at the water collecting well so that rainwater flows into the water collecting well; in the process of landfill, through landfill operation planning, rainwater on the temporary covering film is always kept to flow and collect from high to low, and a pumping and draining pump and a drain pipe are arranged on the temporary covering film at the lowest point of the bottom of a landfill site and used for pumping and draining the rainwater on the temporary covering film. The pump flow here was controlled to empty the 1 year heavy rain during 24 hours.
Further, the temporary covering film is an HDPE (high density polyethylene) film, and the thickness of the HDPE film is 0.75-1.5 mm.
The utility model has the advantages that:
the utility model provides a pit type refuse landfill rainwater drainage guide system, lay multilayer anchor platform on the vertical direction of landfill, each layer of anchor platform sets up along landfill circumference, and all have a minimum on each layer of anchor platform, set up the catch basin on each layer of anchor platform and be used for the layering of rainwater to collect, set up the catch basin in the minimum point department of catch basin and be used for collecting the water in the catch basin, set up the pump drainage in the catch basin simultaneously, so under the effect of gravity, can be to high low flow in the catch basin after the rainwater is collected by the catch basin, the rainwater in the catch basin is discharged in layers through the pump drainage pump again, thereby make the rainwater by more collections; further, the utility model discloses a fill up the inside surface in landfill yard and cover the membrane temporarily among the technical scheme, cover the membrane temporarily and lay along the groove face of catch basin, open the hole in sump pit department to set up pump drainage pump and drain pipe in landfill yard bottom minimum, so the rainwater can cover in the membrane following current to the sump pit temporarily, the usable pump drainage pump of few rainwater inflow landfill yard bottom carries out the pump drainage, the complete drainage of rainwater has been reached theoretically, landfill leachate's production has significantly reduced, and the mode of this kind of layering drainage rainwater can also energy-conservation subtract the consumption, have very strong engineering project guiding effect.
Drawings
Fig. 1 is a plan layout view of the rainwater drainage system of the pit type refuse landfill of the utility model.
Fig. 2 is a cross-sectional view taken along line a-a of fig. 1.
Shown in the figure:
1-anchoring platform, 2-water collecting channel, 3-water collecting well, 4-pump drainage pump, 5-flood interception channel, 6-temporary covering film and 7-garbage pile.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present embodiment provides a rainwater drainage system for a pit type refuse landfill, wherein 3 layers of anchoring platforms 1 are disposed in the vertical direction of the square landfill, each layer of anchoring platform 1 is disposed along the circumferential direction of the landfill, the three layers are A, B, C layers from low to high, the elevations at the four corners of the layer a of anchoring platform 1 are a1(-22)、A2(-23.7)、A3(-23.6)、A4(-23.2) the elevation at the four corners of the B-layer anchoring platform 1 is B1(-10.8)、B2(-11.9)、B3(-9)、B4(-10.2) the elevation at the four corners of the C-layer anchoring platform 1 is C1(-0.7)、C2(0.0)、C3(1.1)、C4(1.9); the rainwater drainage guide system based on the arrangement comprises rainwater collection units and rainwater drainage guide units which are arranged on each layer of anchoring platform 1 and a rainwater interception unit which is arranged on the outermost layer of anchoring platform 1 (layer C), wherein the water outlet end of each rainwater collection unit is connected with the water inlet end of each rainwater drainage guide unit, the water outlet end of each rainwater drainage guide unit is connected with the water inlet end of each rainwater interception unit, and the water outlet end of each rainwater interception unit is connected with a downstream gully.
Specifically, the rainwater collection unit comprises a water collection ditch 2 and a water collection well 3, the water collection ditch 2 is fully distributed on the anchoring platform 1 for a circle, the water collection well 3 is arranged at the lowest point of the circle of water collection ditch 2, and the water collection ditch 2 is communicated with the water collection well 3. To pairAnchoring the platform 1, A on the A-layer2Is the lowest point, the water collecting well 3 of the layer is arranged at A2Due to the height difference, the rainwater in the water collecting ditch 2 is collected from A1→A2，A1→A4→A3→A2Flows into the water collecting well 3; for the B-layer anchoring platform 1, B2Is the lowest point, the water collecting well 3 of the layer is arranged at B2Due to the height difference, the rainwater in the water collecting ditch 2 is collected by the water collecting ditch B3→B2，B3→B4→B1→B2And flows into the water collecting well 3.
Specifically, the rainwater drainage guide unit comprises a pump 4 and a drain pipe connected to the pump 4, the pump 4 is disposed in the water collecting well 3, and one pump 4 is disposed in one water collecting well 3 and used for draining water in the water collecting well 3, and further, the drain pipe is connected to the flood intercepting ditch 5, so that water in the water collecting well 3 is drained to the flood intercepting ditch 5 and flows into the downstream gully.
Specifically, the rainwater interception unit is a flood interception ditch 5, the flood interception ditch 5 is arranged on the C-layer anchoring platform 1, and the water outlet end of the flood interception ditch 5 is arranged at C2(0.0) and is connected with a downstream gully, rainwater on the A-layer anchoring platform 1 and the B-layer anchoring platform 1 is collected and then respectively guided and drained to the flood interception gully 5, and then flows into the downstream gully, so that the guiding and drainage of the rainwater of the landfill site is completed.
Further, in order to achieve theoretical rainwater complete drainage, the rainwater drainage system further comprises a temporary covering film 6, the temporary covering film 6 is paved on the inner surface of the whole landfill site, the temporary covering film is paved along the trench surface of the water collecting trench 2 when meeting the water collecting trench 2, a hole is formed in the water collecting well 3, a drainage pump 4 and a drainage pipe are arranged at the lowest point of the bottom of the landfill site on the temporary covering film 6, rainwater on the temporary covering film 6 flows into the water collecting well 2 on one hand, and is drained out through the drainage pump 4 and the drainage pipe on the other hand, the temporary covering film 6 can ensure that rainwater which is not intercepted by the water collecting trench 2 does not enter the garbage dump body 7, the rainwater is directly prevented from falling into the garbage dump body 7, and theoretically, the rainwater complete drainage is achieved.
Further preferably, the temporary cover film is a HDPE film (high density polyethylene).
Engineering example 1:
the occupied area of a certain pit type landfill is 80000m2Area of the outer catchment area of the field area is 5000m2A water collecting ditch 2 is arranged on an anchoring platform 1 in the vertical direction of the landfill, a water collecting well 3 is arranged at the lowest point of one circle of the water collecting ditch 2, and the cross section of the water collecting ditch 2 is 1.0m2The volume of the water collecting well 3 meets the capacity of a pump 4 for two minutes of pumping, a rainwater pump 4 is arranged in the arranged water collecting well 3, the flow rate of the pump 4 is equal to the generation amount of 1 year of heavy rain in a service area, after the construction of a landfill site is completed, a HDPE temporary covering film 6 is fully paved on the whole site, the thickness of the HDPE film is 1.5mm, rainwater on the film is always collected to the lower part through landfill operation planning in the landfill process, the temporary rainwater pump 4 is arranged at the lowest point of the bottom of the landfill site for pumping, the flow rate of the pump 4 is controlled according to 1 year of heavy rain in emptying within 24 hours, a flood intercepting ditch 5 is arranged at the periphery of the site area and is used for blocking rainwater outside the reservoir and the collecting ditch 2 for pumping rainwater, and is connected with a downstream flood intercepting ditch 5, and the cross section of the flood intercepting ditch 5 is 1.68m 2.
Engineering example 2:
engineering example 2 is substantially the same as engineering example 1, except that: the floor area of the field is 60000m2The area of the outside water catchment is 4000m2The cross section of the water collecting channel 2 is 0.49m2The volume of the water collecting well 3 meets the pumping capacity of the pumping pump 4 in one minute, the thickness of the HDPE film is 1.0mm, and the section of the flood interception ditch 5 is 1.2m2。
Engineering example 3:
engineering example 3 is substantially the same as engineering example 1, except that: the floor area of the field is 30000m2Area of the outside of the field is 2000m2The cross section of the water collecting ditch 2 is 0.09m2The volume of the water collecting well 3 meets the pumping capacity of a pumping pump for 4 thirty seconds, the thickness of the HDPE film is 0.75mm, and the section of the flood interception ditch 5 is 1.0m2。
To sum up, the utility model discloses compare with conventional valley type or plain type landfill rainwater drainage guide scheme in the past, adopted the scheme of layering separation drainage guide with interim whole tectorial membrane, solved the problem to pit type landfill rainwater drainage guide difficulty, theoretically can accomplish the complete drainage guide of rainwater, the production of landfill leachate has significantly reduced to the mode of layering drainage guide can also energy-conservation subtract consumes, has very strong engineering project guiding action.
The parts not described in the specification are prior art or common general knowledge. The present embodiment is only used for illustrating the present invention, and is not used to limit the scope of the present invention, and modifications such as equivalent replacement made by those skilled in the art to the present invention are all considered to fall within the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a pit type refuse landfill rainwater drainage guide system, is laid on the vertical direction of landfill and is equipped with multilayer anchor platform, its characterized in that: the rainwater guide and drainage system comprises a rainwater collecting unit and a rainwater guide and drainage unit which are arranged on each layer of anchoring platform and a rainwater intercepting unit which is arranged on the outermost layer of anchoring platform, wherein the water outlet end of the rainwater collecting unit is connected with the water inlet end of the rainwater guide and drainage unit, the water outlet end of the rainwater guide and drainage unit is connected with the water inlet end of the rainwater intercepting unit, and the water outlet end of the rainwater intercepting unit is connected with the downstream gully.
2. The pit type refuse landfill rainwater drainage system according to claim 1, wherein: every layer anchor platform is anchor platform (1) along landfill circumference setting, rainwater collection unit is including laying catch basin (2) and collector well (3) on anchor platform (1), catch basin (2) are in be covered with a week on anchor platform (1), collector well (3) set up the minimum point department at round collector well (2), just collector well (2) are linked together with collector well (3).
3. The pit type refuse landfill rainwater drainage system according to claim 2, characterized in that: the sectional area of the water collecting ditch (2) is 0.09-1.0 m2。
4. The pit type refuse landfill rainwater drainage system according to claim 2, characterized in that: every all be provided with pump drainage pump (4) in sump pit (3), be connected with on pump drainage pump (4) be used for with rainwater exhaust's in sump pit (3) drain pipe, pump drainage pump (4) with the rainwater drainage unit has been constituteed.
5. The pit type refuse landfill rainwater drainage system according to claim 1, wherein: the rainwater interception unit is a flood interception ditch (5), and the water outlet end of the flood interception ditch (5) is connected with the downstream gully.
6. The pit type refuse landfill rainwater drainage system according to claim 5, wherein: the cross section area of the flood interception ditch (5) is 1.0-1.68 m2。
7. The pit type refuse landfill rainwater drainage system according to claim 1, wherein: the rainwater drainage system further comprises a temporary covering film (6), the temporary covering film (6) is paved on the inner surface of the whole landfill, and a drainage pump (4) and a drainage pipe are arranged at the lowest point of the bottom of the landfill on the temporary covering film (6) and used for draining rainwater on the temporary covering film (6).
8. The pit type refuse landfill rainwater drainage system according to claim 7, wherein: the temporary covering film (6) is an HDPE film, and the thickness of the HDPE film is 0.75-1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022022962.0U CN214194846U (en) | 2020-09-15 | 2020-09-15 | Mine pit type refuse landfill rainwater drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022022962.0U CN214194846U (en) | 2020-09-15 | 2020-09-15 | Mine pit type refuse landfill rainwater drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214194846U true CN214194846U (en) | 2021-09-14 |
Family
ID=77629082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022022962.0U Active CN214194846U (en) | 2020-09-15 | 2020-09-15 | Mine pit type refuse landfill rainwater drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214194846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232766A (en) * | 2022-01-06 | 2022-03-25 | 国家能源集团国源电力有限公司 | Open-pit mine field |
-
2020
- 2020-09-15 CN CN202022022962.0U patent/CN214194846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232766A (en) * | 2022-01-06 | 2022-03-25 | 国家能源集团国源电力有限公司 | Open-pit mine field |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105297872A (en) | LID type city rainwater closed conduit with functions of water permeating, storing, purifying and draining | |
| CN213867863U (en) | General industrial solid waste storage and disposal site structure based on abandoned mine | |
| CN205296339U (en) | Mountain valley type landfill's dirty reposition of redundant personnel diversion system of rain | |
| CN101148885B (en) | Stereo drainage system structure for landfill underground water | |
| CN113356322A (en) | Water drainage preventing system of valley type waste slag yard | |
| CN103266633B (en) | A kind of hydrometallurgy tailings storehouse antiseep sewer drains off floodwaters method | |
| CN114718101A (en) | Seepage interception structure of tailing pond of seepage interception wall combined dewatering well and construction method thereof | |
| CN214194846U (en) | Mine pit type refuse landfill rainwater drainage system | |
| CN113250266A (en) | Dry-type dredging method for river channel | |
| CN205224230U (en) | LID type urban rainwater oozes and holds clean drainage closed conduit | |
| CN113073706B (en) | Submerged flow intercepting water intake structure and construction method | |
| CN114855541B (en) | Ecological town road in sponge city | |
| CN212104144U (en) | Soil digs protection water collecting structure of foundation ditch clearly | |
| CN204826140U (en) | Dirty current drive system of reservoir area rain more than cheuch type landfill dam crest elevation | |
| CN105464191A (en) | Rain sewage diverting and guiding system of valley-type waste landfill and using method thereof | |
| CN207436131U (en) | A kind of municipal administration rainwater osmotic sewerage device | |
| CN215122670U (en) | Semiarid refuse dump side slope vegetation restoration structure of high-efficient rainfall of utilizing | |
| CN213741347U (en) | Urban rainwater collection and irrigation device | |
| CN205617534U (en) | Drainage structures of landfill reservoir area side slope | |
| CN212053102U (en) | Rainwater collecting and guiding system for refuse landfill | |
| CN209873496U (en) | Highway evaporation structure | |
| CN209890992U (en) | Drainage system | |
| CN208039324U (en) | A kind of landfill yard density polyethylene film with high rain sewage diversion drainage ditch | |
| CN216041217U (en) | Excavation platform complex green structural style with reservoir | |
| CN106703157B (en) | Construction method of rainwater recycling and comprehensive utilizing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |