CN220815738U - Backfilling and reclamation device for small pit type storage yard - Google Patents

Backfilling and reclamation device for small pit type storage yard Download PDF

Info

Publication number
CN220815738U
CN220815738U CN202321773549.5U CN202321773549U CN220815738U CN 220815738 U CN220815738 U CN 220815738U CN 202321773549 U CN202321773549 U CN 202321773549U CN 220815738 U CN220815738 U CN 220815738U
Authority
CN
China
Prior art keywords
pit
floating
sinking
floating bridge
storage
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
Application number
CN202321773549.5U
Other languages
Chinese (zh)
Inventor
曾霄祥
尹清海
黄广黎
张众华
曹其光
刘涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinosteel Maanshan General Institute of Mining Research Co Ltd
Original Assignee
Sinosteel Maanshan General Institute of Mining Research Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sinosteel Maanshan General Institute of Mining Research Co Ltd filed Critical Sinosteel Maanshan General Institute of Mining Research Co Ltd
Priority to CN202321773549.5U priority Critical patent/CN220815738U/en
Application granted granted Critical
Publication of CN220815738U publication Critical patent/CN220815738U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

The utility model discloses a backfilling and reclamation device of a small pit type storage yard, which comprises an annular slurry conveying pipe (4) arranged around the pit mouth at the top of the storage yard pit (1), a plurality of slurry discharge pipes (6) communicated with the inner wall of the annular slurry conveying pipe (4), and a central discharge pipe (10) with an inlet communicated with the inner wall of the annular slurry conveying pipe (4) and an outlet positioned at the central position of the storage yard pit (1); the outlet of the conveying pipe (16) is communicated with the inlet of an annular slurry conveying pipe (4) arranged around the top pit mouth of the storage pit (1). The utility model carries out soil covering by conveying slurry around the storage pit and in the center of the storage pit, has the advantages of better soil covering effect, short land reclamation project period, less investment of manpower and vehicles and the like, and the whole soil covering process is carried out in a wet environment, thereby effectively avoiding the generation of dust, protecting the environment, reducing the construction cost and meeting the requirements of convenience and high efficiency on soil covering.

Description

Backfilling and reclamation device for small pit type storage yard
Technical Field
The utility model relates to a backfilling and reclamation device for a small pit type storage yard, which is particularly suitable for the backfilling and reclamation of the small pit type storage yard with the storage capacity of 50-100 ten thousand m 3.
Background
The small open pit is formed after the mining of the small open pit is finished, and the small open pit can be used as a tailing pond/a storage pond for common industrial solid wastes, and the storage capacity is generally 50-100 ten thousand m 3. The ecological restoration should be carried out on the small pit type storage yard which is operated to the design final elevation or no stacking operation is carried out, and the contents comprise the restoration of the beach surface of the small pit type storage yard. The beach is to prevent the stock yard beach after the soil from weathering, produce the raise dust and cause air pollution, the main engineering is to cover soil at the stock yard beach to plant the vegetation.
Under the normal condition, in the process of implementing land beach treatment, accumulated water in the yard can be discharged at first, and after the beach has certain bearing capacity, backfill soil is transported into a warehouse by using a vehicle to carry out yard earthing greening.
The structural characteristics of the huge small concave space of the small open pit mining pit used as an industrial solid waste discharge place determine that after the small pit storage yard stops discharging industrial solid waste, if a conventional storage yard land reclamation method is adopted for pit storage yard land reclamation, the following problems are faced:
(1) The reclamation period is long. Because the pit type storage yard is partially submerged by water throughout the year, the water in the pit type storage yard needs to be completely extracted, and the beach surface of the storage yard is naturally air-dried and sun-dried after the extraction, and the process needs a long period of time.
(2) The construction cost is high. The conventional vehicle earthing method is adopted to finish the earthing work of the beach surface of all storage yards in the pit, the quantity and the variety of equipment such as manpower, vehicles, shovels and the like are more, and the cost investment is higher.
(3) Serious environmental pollution: the conventional storage yard land adopts vehicles to transport backfill, and because the engineering amount is small, the transportation vehicles complete the land work to generate a small amount of tail gas to cause serious pollution to air.
(4) The safety of the treatment method is poor: frequent rolling of vehicles on the surface of the pit Inner Beach can easily cause local beach liquefaction, and the problems of vehicle injury, equipment overturning and the like can easily occur.
(5) Construction organization management is difficult: the pit type storage yard adopts vehicles to cover the soil, so that more personnel and engineering vehicles are needed for reclamation of the soil, and the on-site construction organization management is difficult.
Disclosure of Invention
The utility model aims at solving the problems existing in the prior art and provides a backfill reclamation device for a small pit type storage yard, which meets the requirements of safety and environmental protection, has lower manufacturing cost, is simple to construct and has short age.
In order to achieve the above object of the present utility model, a backfill reclamation apparatus of a small pit yard of the present utility model includes: the annular slurry conveying pipes are arranged around the top pit mouth of the storage pit, the slurry discharge pipes are communicated with the inner wall of the annular slurry conveying pipes, the inlets of the slurry discharge pipes are communicated with the inner wall of the annular slurry conveying pipes, and the outlets of the slurry discharge pipes are positioned at the central position of the storage pit; the outlet of the conveying pipe is communicated with the inlet of the annular slurry conveying pipe arranged around the top pit mouth of the storage pit.
In order to facilitate maintenance and convey slurry to the center of the storage pit, the utility model also comprises a manual monitoring floating bridge mechanism arranged in the top pit mouth of the storage pit, wherein the manual monitoring floating bridge mechanism comprises a floating bridge bottom plate, guard rails on two sides of the floating bridge bottom plate and a plurality of sinking pontoons positioned on the bottom surface of the floating bridge bottom plate; the inlet of the manual monitoring floating bridge mechanism is connected with a patrol passageway built at the top pit mouth of the storage pit, and the end part of the manual monitoring floating bridge mechanism is positioned at the central position of the storage pit; the central discharge pipe is paved on the floating bridge bottom plate. The structural design can ensure that the middle part and the periphery of the storage pit are covered with soil simultaneously, and the complete coverage of the tail sand beach surface can be ensured.
In order to ensure that the manual monitoring floating bridge mechanism can stably suspend on the water surface in the storage pit, the submerged pontoons are arranged on the bottom surface of the floating bridge bottom plate at equal intervals.
In order to uniformly feed the reclaimed slurry into the yard pit, the slurry discharge pipes (6) are preferably arranged at the inner wall of the annular slurry conveying pipe at equal intervals.
In order to ensure the stability of the manual monitoring floating bridge mechanism, people can overhaul related facilities through the manual monitoring floating bridge mechanism conveniently, and the two sides of the floating bridge bottom plate are fixedly connected with fixing assemblies respectively.
Further, the fixed component comprises a plurality of anchor rods, a steel wire rope, anchor sinking anchor ropes and anchor sinking anchor hooks, wherein the anchor rods are arranged on the slope surface of the top of the storage pit, and two side surfaces of the inlet end of the floating bridge bottom plate of the manual monitoring floating bridge mechanism are respectively connected with the anchor rods arranged at the corresponding positions of the slope surface of the top of the storage pit through the steel wire rope.
Further, the connection part of the floating bridge bottom plate and the sinking and floating cylinders is fixedly connected with a sinking anchor rope, the other end of the sinking anchor rope is fixedly connected with a sinking anchor hook, the sinking anchor hook is hooked at the connection part of the adjacent floating bridge bottom plate and the sinking and floating cylinders, and the sinking and floating cylinders which are distributed on the bottom surface of the floating bridge bottom plate at equal intervals are connected into a whole through the sinking anchor rope and the sinking anchor hook.
The research shows that the width of the floating bridge bottom plate 7 of the manual monitoring floating bridge mechanism is preferably 2.5-3 m; the outer diameter of the annular slurry conveying pipe 4 and the central discharging pipe 10 is 200-300 mm, and the wall thickness is 5.0-10.0 mm; the external diameter of the mud discharging pipe 6 is 100-150 mm, and the wall thickness is 5.0-10.0 mm; the distance between the adjacent mud discharging pipes 6 is 10-15 m.
After the technical scheme is adopted by the backfilling and reclamation device of the small pit type storage yard, the device has the following positive effects:
(1) The utility model carries out soil covering by conveying slurry around the storage pit and in the center of the storage pit, is applied to ecological restoration of a small-sized pit type storage pit with the storage capacity of 50-100 ten thousand m 3, can ensure full coverage of the beach surface of the storage pit, effectively avoids soil squeezing effect generated in the process of covering soil by vehicles, has better soil covering effect, realizes the low-cost, convenient and efficient soil covering requirement, has strong pertinence and adaptability, and can meet the requirements of safety and environmental protection.
(2) The utility model does not need pumping drainage of accumulated water in the pit in the early stage, drains the water in the pit through the original drainage system of the storage pit after the soil covering is completed, avoids the process of early stage drainage and beach consolidation of the engineering, and greatly shortens the period of land reclamation engineering. The utility model adopts a slurry self-flowing mode to cover the underwater beach of the storage pit, reduces the investment of a great deal of manpower and vehicles, has low cost and simple project engineering organization management.
(3) The utility model omits the process that the traditional reclamation mode needs to cover soil in the pit through the transport vehicle, effectively avoids accidents such as vehicle damage, equipment overturning and the like in the pit, and has simple and convenient project engineering institution management mode. The whole process is carried out in a wet environment, so that dust emission is effectively avoided, and the environment is protected.
Drawings
FIG. 1 is a schematic diagram of a backfill reclamation device for a small pit yard according to the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic diagram of an intermediate floating bridge device according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a small pit-type yard backfilling device of the present utility model after the pit is covered with soil.
The reference numerals are: 1-a storage pit; 2-a mixing pool; 3-a slurry storage pool; 4-an annular slurry conveying pipe; 5-a delivery pump; 6-a mud discharge pipe; 7-floating bridge bottom plate; 8-guard rails; 9-sinking pontoon; 10-a central drain; 11-anchor rod; 12-a steel wire rope; 13-sinking anchor cable; 14-sinking anchor hooks; 15-covering soil layers; 16-a conveying pipe.
Detailed Description
For further description of the present utility model, a backfill reclamation apparatus for a small pit yard according to the present utility model will be described in further detail with reference to the accompanying drawings.
The structural arrangement schematic diagram of the backfill reclamation device of the small pit type storage yard shown in fig. 1 is shown in combination with fig. 2, 3 and 4, and the backfill reclamation device of the small pit type storage yard comprises: the manual monitoring floating bridge mechanism is arranged in the top pit mouth of the storage pit 1, annular slurry conveying pipes 4 are arranged around the top pit mouth of the storage pit 1, a plurality of slurry discharge pipes 6 are communicated with the inner wall of the annular slurry conveying pipes 4, inlets are communicated with the inner wall of the annular slurry conveying pipes 4, outlets are positioned in a central discharge pipe 10 in the central position of the storage pit 1, the slurry discharge pipes 6 are distributed at the inner wall of the annular slurry conveying pipes 4 at equal intervals, and the interval between every two adjacent slurry discharge pipes 6 is 10-15 m. The outlet of the conveying pipe 16 is communicated with the inlet of an annular slurry conveying pipe 4 arranged around the top pit mouth of the storage pit 1. The manual monitoring floating bridge mechanism comprises a floating bridge bottom plate 7, guard rails 8 on two sides of the floating bridge bottom plate 7, and a plurality of sinking pontoons 9 positioned on the bottom surface of the floating bridge bottom plate 7, wherein the sinking pontoons 9 are distributed on the bottom surface of the floating bridge bottom plate 7 at equal intervals; the inlet of the manual monitoring floating bridge mechanism is connected with a patrol passageway built at the top pit mouth of the storage pit 1, and the end part of the manual monitoring floating bridge mechanism is positioned at the central position of the storage pit 1; the central discharge pipe 10 is laid on the floating bridge floor 7. The two sides of the floating bridge bottom plate 7 are fixedly connected with fixing components respectively, the fixing components comprise a plurality of anchor rods 11, steel wire ropes 12, anchor sinking anchor ropes 13 and anchor sinking anchor hooks 14, the anchor rods 11 are arranged on the slope surface at the top of the storage pit 1, and two side surfaces of the inlet end of the floating bridge bottom plate 7 of the manual monitoring floating bridge mechanism are respectively connected with the anchor rods 11 arranged at the corresponding positions of the slope surface at the top of the storage pit 1 in a hanging manner through the steel wire ropes 12 so as to avoid left and right movement of the manual monitoring floating bridge mechanism; the connection part of the floating bridge bottom plate 7 and the sinking and floating cylinders 9 is fixedly connected with a sinking anchor rope 13, the other end of the sinking anchor rope 13 is fixedly connected with a sinking anchor hook 14, the sinking anchor hook 14 is hooked at the connection part of the adjacent floating bridge bottom plate 7 and the sinking and floating cylinders 9, and the sinking and floating cylinders 9 which are distributed on the bottom surface of the floating bridge bottom plate 7 at equal intervals are connected into a whole through the sinking anchor rope 13 and the sinking anchor hook 14.
In practical application, build compounding mix pond 1, the ground paste storage pond 2 in one side of storage yard hole 1, through the pipe connection between compounding mix pond 1 and the ground paste storage pond 2, erect the ground paste agitating unit at the interior top of compounding mix pond 2, be equipped with delivery pump 5 in ground paste storage pond 2, the export of delivery pump 5 communicates with the conveyer pipe 16 of spreading to the top pithead department of storage yard hole 1.
Adding backfill soil, water and plant seeds with set amounts into a mixing and blending pool 2 for stirring to prepare blending slurry, conveying the blending slurry to an annular slurry conveying pipe 4 of a slurry discharging backfill device through a conveying pump 5 arranged in a slurry storage pool 3, and backfilling and earthing edges and centers of a storage pit 1 respectively through a plurality of slurry discharge pipes 6 and a central discharge pipe 10 to form an earth covering layer 15, wherein the thickness of the underwater earth covering layer 15 reaches 20.0-30.0 cm, and backfilling and earthing is finished.
After the earthing is completed, the earthing equipment and related facilities are removed, the water accumulated in the pit is emptied through a pit type storage yard drainage system, and after the earthly-covered beach surface is consolidated to grow grass, the ecological restoration of the storage yard is completed.

Claims (8)

1. The utility model provides a backfill reclamation device in small-size pit type storage yard which characterized in that it includes: an annular slurry conveying pipe (4) arranged around the top pit mouth of the storage pit (1), a plurality of slurry discharge pipes (6) communicated with the inner wall of the annular slurry conveying pipe (4), and a central discharge pipe (10) with an inlet communicated with the inner wall of the annular slurry conveying pipe (4) and an outlet positioned at the central position of the storage pit (1); the outlet of the conveying pipe (16) is communicated with the inlet of an annular slurry conveying pipe (4) arranged around the top pit mouth of the storage pit (1).
2. The backfill reclamation device of a small pit yard of claim 1, wherein: the device also comprises a manual monitoring floating bridge mechanism arranged in the top pit mouth of the storage pit (1), wherein the manual monitoring floating bridge mechanism comprises a floating bridge bottom plate (7), guard rails (8) on two sides of the floating bridge bottom plate (7) and a plurality of sinking pontoons (9) positioned on the bottom surface of the floating bridge bottom plate (7); the inlet of the manual monitoring floating bridge mechanism is connected with a patrol passageway built at the top pit mouth of the storage pit (1), and the end part of the manual monitoring floating bridge mechanism is positioned at the central position of the storage pit (1); the central discharge pipe (10) is paved on the floating bridge bottom plate (7).
3. The backfill reclamation device of a small pit yard of claim 2, wherein: the sinking and floating cylinders (9) are distributed on the bottom surface of the floating bridge bottom plate (7) at equal intervals.
4. The backfill reclamation device of the small pit yard of claim 1, wherein: the mud discharge pipes (6) are distributed on the inner wall of the annular slurry conveying pipe (4) at equal intervals.
5. The backfill reclamation device of the small pit yard of claim 2 or 3, wherein: the two sides of the floating bridge bottom plate (7) are fixedly connected with fixing components respectively.
6. The backfill reclamation device of the small pit yard of claim 5, wherein: the fixing assembly comprises a plurality of anchor rods (11), steel wire ropes (12), anchor sinking anchor ropes (13) and anchor sinking anchor hooks (14), wherein the anchor rods (11) are arranged on the slope surface at the top of the storage pit (1), and two side surfaces of the inlet end of a floating bridge bottom plate (7) of the manual monitoring floating bridge mechanism are respectively connected with the anchor rods (11) arranged at the corresponding positions of the slope surface at the top of the storage pit (1) through the steel wire ropes (12).
7. The backfill reclamation device of the small pit yard of claim 6, wherein: the floating bridge floor (7) is fixedly connected with a sinking and floating cylinder (9), the other end of the sinking and floating anchor rope (13) is fixedly connected with a sinking and floating anchor hook (14), the sinking and floating anchor hook (14) is hooked at the connecting part of the adjacent floating bridge floor (7) and the sinking and floating cylinder (9), and the sinking and floating cylinders (9) which are distributed on the bottom surface of the floating bridge floor (7) at equal intervals are connected into a whole through the sinking and floating anchor rope (13) and the sinking and floating anchor hook (14).
8. The backfill reclamation device of the small pit yard of claim 7, wherein: the width of a floating bridge bottom plate (7) of the manual monitoring floating bridge mechanism is 2.5-3m; the outer diameters of the annular slurry conveying pipe (4) and the central discharge pipe (10) are 200-300 mm, and the wall thickness is 5.0-10.0 mm; the external diameter of the mud discharging pipe (6) is 100-150 mm, and the wall thickness is 5.0-10.0 mm; the interval between the adjacent mud discharge pipes (6) is 10-15 m.
CN202321773549.5U 2023-07-07 2023-07-07 Backfilling and reclamation device for small pit type storage yard Active CN220815738U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321773549.5U CN220815738U (en) 2023-07-07 2023-07-07 Backfilling and reclamation device for small pit type storage yard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321773549.5U CN220815738U (en) 2023-07-07 2023-07-07 Backfilling and reclamation device for small pit type storage yard

Publications (1)

Publication Number Publication Date
CN220815738U true CN220815738U (en) 2024-04-19

Family

ID=90677329

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321773549.5U Active CN220815738U (en) 2023-07-07 2023-07-07 Backfilling and reclamation device for small pit type storage yard

Country Status (1)

Country Link
CN (1) CN220815738U (en)

Similar Documents

Publication Publication Date Title
US12077459B2 (en) Device and method for mud solidification based on electro-osmosis well points cooperating with well-points dewatering
CN208685703U (en) A kind of prefabricated armored concrete water intaking header structure
CN111750172A (en) Pipe jacking construction process
EP2742509B1 (en) System for abatement of noxious emissions in the atmosphere from an industrial or nuclear power plant
CN109779820B (en) Comprehensive utilization system and utilization method for abandoned open pit
CN217470721U (en) Device for closed-warehouse reclamation of large pit-type tailing warehouse
CN220815738U (en) Backfilling and reclamation device for small pit type storage yard
CN217608300U (en) Middle-size and small-size hole formula tailing storehouse closed warehouse reclamation device
CN116586424A (en) Ecological restoration method for small pit type storage yard
CN116676955A (en) Slurry preparation backfill system for ecological restoration of small pit type storage yard
CN110482245A (en) Environment protection type multifunctional dry bulk cargo harbour and construction method
CN114846964B (en) Method for reclamation of closed tailings pond of large pit type
CN210900454U (en) Semi-overhead granary
CN211252537U (en) A wheel device is washed in water conservation for building construction place
CN109853651B (en) Hydraulic sand taking method for mine tailing pond
CN206110310U (en) Bury intelligent sewage lifting pump station of formula integration
CN114830882B (en) Middle and small pit type tailing pond closed-pond reclamation device and method
CN220815739U (en) Slurry backfilling system for closed-reservoir reclamation of large pit type tailing pond
DE102011114158A1 (en) Floating energy self-sufficient platforms and methods for their production
CN104960459A (en) Sludge-water separating robot for treating sludge of drainage pipe network
CN213743434U (en) Combined type irrigation platform device
CN213390294U (en) Desilting conveying equipment
CN110836030A (en) Clockwise and anticlockwise combined cyclone well construction method suitable for complex geological conditions
CN220013606U (en) Dirt blocking net pile foundation system for rapidly clearing plugs
CN217298660U (en) Non-excavation formula box culvert restoration spraying device that falls into well

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant