CN212638447U - Three-dimensional portable transports storage tombarthite waste material device - Google Patents

Three-dimensional portable transports storage tombarthite waste material device Download PDF

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Publication number
CN212638447U
CN212638447U CN202021149402.5U CN202021149402U CN212638447U CN 212638447 U CN212638447 U CN 212638447U CN 202021149402 U CN202021149402 U CN 202021149402U CN 212638447 U CN212638447 U CN 212638447U
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CN
China
Prior art keywords
fixed
beams
bottom plate
sides
rare earth
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Active
Application number
CN202021149402.5U
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Chinese (zh)
Inventor
刘勇
张华�
张相良
叶健
谢志忠
郭建
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.)
Xinfeng Baogang Xinli Rare Earth Co Ltd
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Xinfeng Baogang Xinli Rare Earth Co Ltd
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Priority to CN202021149402.5U priority Critical patent/CN212638447U/en
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Publication of CN212638447U publication Critical patent/CN212638447U/en
Priority to PCT/CN2021/092360 priority patent/WO2021254023A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20—External fittings
    • B65D25/22—External fittings for facilitating lifting or suspending of containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20—External fittings
    • B65D25/24—External fittings for spacing bases of containers from supporting surfaces, e.g. legs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/82—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for poisons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02—Storage devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02—Storage devices
    • B65G1/04—Storage devices mechanical
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
    • E04H7/22—Containers for fluent solids, e.g. silos, bunkers; Supports therefor
    • E04H7/24—Constructions, with or without perforated walls, depending on the use of specified materials
    • E04H7/26—Constructions, with or without perforated walls, depending on the use of specified materials mainly of concrete, e.g. reinforced concrete or other stone-like materials

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • Refuse Receptacles (AREA)

Abstract

The invention belongs to the field of rare earth, and particularly relates to a three-dimensional convenient device for transferring and storing rare earth waste, which comprises a concrete base, supporting beams for pouring reinforced concrete are transversely fixed on two sides of the upper end surface of the concrete base, a plurality of fixed beams are transversely fixed on the concrete base between the two supporting beams, the fixed beams are transversely fixed between the two support beams, angle irons poured with the support beams are transversely fixed on one sides of the upper end surfaces of the two support beams close to the fixed beams, angle irons poured together with the fixed beams are also fixed on two sides of the upper end faces of the fixed beams, a plurality of placing boxes II are uniformly placed on the concrete base between the supporting beams and the fixed beams, a plurality of placing boxes II are also uniformly placed between two adjacent fixed beams, the placing box II comprises a bottom plate II, and a baffle II which surrounds the bottom plate II and extends upwards is fixed on the upper end face of the bottom plate II. The rare earth waste can be transported by a forklift, and is very convenient to transport.

Description

Three-dimensional portable transports storage tombarthite waste material device
[ technical field ] A method for producing a semiconductor device
The invention belongs to the field of rare earth, and particularly relates to a three-dimensional convenient device for transferring and storing rare earth waste.
[ background of the invention ]
The rare earth elements have a series of special properties, are widely applied to the fields of metallurgy, petrochemical industry, glass ceramics, atomic energy, functional materials, textile, medicine, agriculture and animal husbandry and the like, and particularly in the fields of high and new technology and preparation of national defense and military materials, the rare earth elements become indispensable. The rare earth elements added in the material can play roles in purifying melt, modifying and mixing, microalloying and the like, obviously improve the toughness, plasticity, fatigue life and the like of the material, and enable the material to be more tenacious, heat-resistant, wear-resistant and corrosion-resistant. In addition, the material added with the rare earth has unique optical, electric, magnetic and other properties.
Can produce a large amount of tombarthite waste materials after rare earth produces, deposit or dig individual pit and stack the tombarthite waste material in the pit in open air behind the tombarthite waste material bagging-off after current tombarthite production, but the tombarthite waste material is deposited or is stacked in the pit in open air, causes soil pollution and air dust pollution easily to stack and stack in the pit in open air, during follow-up waste material transports, inconvenient transport, very big human and material resources that consume.
The invention is provided for overcoming the defects of the prior art.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provides a three-dimensional convenient device for transferring and storing rare earth waste, which is convenient for storing and transferring the rare earth waste.
The invention discloses a three-dimensional portable rare earth waste transferring and storing device, which comprises a concrete base, wherein two sides of the upper end surface of the concrete base are transversely fixed with supporting beams for reinforced concrete pouring, a plurality of fixed beams are transversely fixed on the concrete base between the two supporting beams, the fixed beams are transversely fixed between the two supporting beams, one sides of the upper end surfaces of the two supporting beams, which are close to the fixed beams, are transversely fixed with angle irons which are poured with the supporting beams, two sides of the upper end surface of the fixed beams are also fixed with angle irons which are poured with the fixed beams, a plurality of placing boxes II are uniformly placed on the concrete base between the supporting beams and the fixed beams, a plurality of placing boxes II are uniformly placed between the two adjacent fixed beams, each placing box II comprises a bottom plate II, a baffle II which surrounds the bottom plate II and extends upwards is fixed on the upper end surface of the bottom plate II, both sides all are fixed with a plurality of stoppers around II lower terminal surfaces of bottom plate, a plurality of boxes of placing I have all been placed between two adjacent angle bars in concrete foundation top, place box I and contain bottom plate I of placing on two angle bars, I up end of bottom plate still is fixed with a plurality of strengthening ribs, I up end of bottom plate is fixed with and encircles bottom plate I and upwards extend the baffle I that extends, both sides are also fixed with a plurality of stoppers around I lower terminal surface of bottom plate. The rare earth waste is placed in a placing box II and a placing box I after being bagged, the placing box II is placed between angle irons of an upper end face of a supporting beam and a fixed beam and between two adjacent fixed beams by a forklift, the placing box I is placed between the supporting beam and the fixed beam and between the supporting beam and the two adjacent fixed beams, the rare earth waste is placed on a concrete base in order, a bottom plate I made of a steel plate is placed at the bottom of the placing box I, the bottom plate II made of the steel plate is placed at the bottom of the placing box II, the rare earth waste cannot be in contact with the ground, soil pollution cannot be caused, a baffle I is fixed on the bottom plate I, a baffle II is fixed on the bottom plate II, after the rare earth waste is stored, the rare earth waste cannot fly with wind due to the action of the baffle I and the baffle II, dust pollution is further avoided, and the rare earth waste can be transported by the forklift, and the transportation.
Preferably, the placing box I and the placing box II are both made of galvanized steel sheets.
Preferably, the section of the limiting block is L-shaped. The stopper of the fixed L type of II bottom bilateral symmetry of bottom plate I and bottom plate can effectively avoid placing box I and placing box II and fork truck separation when using fork truck to carry.
Compared with the prior art, the invention has the following advantages:
1. place box I bottom and be the bottom plate I that the steel sheet was made, place box II bottoms and be the bottom plate II that the steel sheet was made, tombarthite waste material can not contact with the earth, can not cause soil pollution to be fixed with baffle I on the bottom plate I, be fixed with baffle II on the bottom plate II, tombarthite waste material deposits the back, because baffle I and II effects of baffle, tombarthite waste material can not fly upward along with the wind, has further avoided air dust pollution.
2. Place box I and place box II through the fork truck transport, very make things convenient for tombarthite waste material to shift, can effectively practice thrift manpower and materials.
3. The rare earth waste materials are placed on the concrete base in order through the placing box I and the placing box II, so that the rare earth waste materials are stored cleanly and tidily.
[ description of the drawings ]
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is an enlarged view of FIG. 1 at B;
FIG. 6 is an enlarged view at C of FIG. 4;
in the figure: 1. a concrete base; 2. a support beam; 3. a fixed beam; 4. angle iron; 5. placing a box I; 501. a bottom plate I; 502. reinforcing ribs; 503. a baffle plate I; 6. placing a box II; 601. A bottom plate II; 602. a baffle II; 7. a limiting block;
[ detailed description ] embodiments
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
as shown in fig. 1 to 6: the invention discloses a three-dimensional portable rare earth waste transferring and storing device, which comprises a concrete base 1, wherein two sides of the upper end surface of the concrete base 1 are transversely fixed with reinforced concrete poured supporting beams 2, a plurality of fixed beams 3 are transversely fixed on the concrete base 1 between the two supporting beams 2, the fixed beams 3 are transversely fixed between the two supporting beams 2, one sides of the upper end surfaces of the two supporting beams 2, which are close to the fixed beams 3, are transversely fixed with angle irons 4 poured together with the supporting beams 2, two sides of the upper end surface of the fixed beams 3 are also fixed with angle irons 4 poured together with the fixed beams 3, a plurality of placing boxes II 6 are uniformly placed on the concrete base 1 between the supporting beams 2 and the fixed beams 3, a plurality of placing boxes II 6 are also uniformly placed between the two adjacent fixed beams 3, the placing boxes II 6 comprise a bottom plate II 601, a baffle II 602 which surrounds the bottom plate II 601 and extends upwards is fixed on the upper end surface of the bottom plate II 601, both sides all are fixed with a plurality of stoppers 7 around the terminal surface under II 601 of bottom plate, all placed a plurality of boxes of placing I5 between two adjacent angle bars 4 in concrete base 1 top, place box I5 and contain the bottom plate of placing on two angle bars 4, I501 up end of bottom plate still is fixed with a plurality of strengthening ribs 502, I501 up end of bottom plate is fixed with I503 of baffle that encircles I501 and upwards extend and claim of bottom plate, I501 lower terminal surface front and back both sides also are fixed with a plurality of stoppers 7 down. Rare earth waste is bagged and then placed in a placing box II 6 and a placing box I5, the placing box II 6 is uniformly placed between a supporting beam 2 and a fixed beam 3 and between angle irons 4 on the upper end surfaces of the adjacent fixed beams 3 by a forklift, the placing box I5 is placed on a concrete base 1 between the supporting beam 2 and the fixed beam 3 and between the two adjacent fixed beams 3, so that the rare earth waste is neatly stored on the concrete base 1, the bottom of the placing box I5 is a bottom plate I501 made of a steel plate, the bottom of the placing box II 6 is a bottom plate II made of a steel plate, the rare earth waste cannot contact the ground and cannot cause soil pollution, a baffle I503 is fixed on the bottom plate I501, a baffle II 602 is fixed on the bottom plate II 601, after the rare earth waste is stored, the rare earth waste cannot fly with wind due to the action of the baffle I503 and the baffle II, and further avoids dust pollution, and can be carried by a forklift, so that the carrying is very convenient.
Wherein, place box I5 and place box II 6 and make by galvanized steel sheet.
Wherein, the section of the limiting block 7 is L-shaped. Stopper 7 of the fixed L type of bottom plate I501 and bottom plate II 601 bottom bilateral symmetry can effectively avoid placing box I5 and placing box II 6 and fork truck separation when using fork truck to carry.
The above description is only a preferred embodiment of the present invention, and it should be noted that a person skilled in the art can make various changes, modifications, substitutions and alterations to the embodiments without departing from the technical principles of the present invention, and such changes, modifications, substitutions and alterations should also be regarded as the protection scope of the present invention.

Claims (3)

1. A three-dimensional portable rare earth waste transferring and storing device is characterized by comprising a concrete base, wherein supporting beams for reinforced concrete pouring are transversely fixed on two sides of the upper end face of the concrete base, a plurality of fixed beams are transversely fixed on the concrete base between the two supporting beams, the fixed beams are transversely fixed between the two supporting beams, angle irons poured with the supporting beams are transversely fixed on one sides, close to the fixed beams, of the upper end faces of the two supporting beams, angle irons are also fixed on two sides of the upper end face of the fixed beams, angle irons poured with the fixed beams are also fixed on the two sides of the upper end face of the fixed beams, a plurality of placing boxes II are uniformly placed on the concrete base between the supporting beams and the fixed beams, a plurality of placing boxes II are also uniformly placed between the two adjacent fixed beams, each placing box II comprises a bottom plate II, a baffle II which surrounds the bottom plate II and extends upwards is fixed on the upper end face of the bottom plate II, both sides all are fixed with a plurality of stoppers around II lower terminal surfaces of bottom plate, a plurality of boxes of placing I have all been placed between two adjacent angle bars in concrete foundation top, place box I and contain bottom plate I of placing on two angle bars, I up end of bottom plate still is fixed with a plurality of strengthening ribs, I up end of bottom plate is fixed with and encircles bottom plate I and upwards extend the baffle I that extends, both sides are also fixed with a plurality of stoppers around I lower terminal surface of bottom plate.
2. The three-dimensional portable rare earth waste material transferring and storing device according to claim 1, characterized in that: the placing box I and the placing box II are both made of galvanized steel plates.
3. The three-dimensional portable rare earth waste material transferring and storing device according to claim 1, characterized in that: the section of the limiting block is L-shaped.
CN202021149402.5U 2020-06-19 2020-06-19 Three-dimensional portable transports storage tombarthite waste material device Active CN212638447U (en)

Priority Applications (2)

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CN202021149402.5U CN212638447U (en) 2020-06-19 2020-06-19 Three-dimensional portable transports storage tombarthite waste material device
PCT/CN2021/092360 WO2021254023A1 (en) 2020-06-19 2021-05-08 Three-dimensional convenient and fast rare-earth-waste transferring and storing device

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Application Number Priority Date Filing Date Title
CN202021149402.5U CN212638447U (en) 2020-06-19 2020-06-19 Three-dimensional portable transports storage tombarthite waste material device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021254023A1 (en) * 2020-06-19 2021-12-23 信丰县包钢新利稀土有限责任公司 Three-dimensional convenient and fast rare-earth-waste transferring and storing device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1037314A (en) * 1988-05-06 1989-11-22 建筑工程公司 The method of storing dangerous garbage is implemented container of the method and mould and the method for making container
DE202004005021U1 (en) * 2004-03-30 2004-06-03 Schäfer, Ralf Holder device for container in shelving system, e.g. for tool storage system, has container held in place by elastically deformable parts provided on container supports
DE202005004204U1 (en) * 2005-03-14 2005-06-16 Pleus Grundwasser- Und Bodenschutz Gbmh Storage unit for containers either empty or filled, in particular with products of the chemical industry, incorporates a catchment area formed by a plastic sheeting for possible container leakages
FR2944267B1 (en) * 2009-04-14 2011-05-06 Jean Marc Suzanne INSTALLATION AND METHOD FOR STORING DANGEROUS MATERIAL CONTAINERS CONDITIONED
FR2960865B1 (en) * 2010-06-04 2014-01-10 Prefac Beton Environnement RADIATION MODULE
DE102012025154B4 (en) * 2012-12-21 2021-07-22 Sew-Eurodrive Gmbh & Co Kg Storage, in particular storage arrangement, in particular storage for containers
CN106284824B (en) * 2015-05-18 2018-10-19 五冶集团上海有限公司 Concrete reinforcement cushion cap production method for construction site
CN209423800U (en) * 2018-12-11 2019-09-24 宁夏丰华实业有限公司 Waste material collection device is used in a kind of production of rare earth alloy
CN109606924A (en) * 2019-01-26 2019-04-12 浙江台州市联创环保科技股份有限公司 A kind of chemical spent material carrying iron case and its application method
CN111217157A (en) * 2019-07-15 2020-06-02 云南昆船设计研究院有限公司 Automatic change tealeaves system of shining green
CN212638447U (en) * 2020-06-19 2021-03-02 信丰县包钢新利稀土有限责任公司 Three-dimensional portable transports storage tombarthite waste material device
CN111591567A (en) * 2020-06-19 2020-08-28 信丰县包钢新利稀土有限责任公司 Three-dimensional portable transports storage tombarthite waste material device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021254023A1 (en) * 2020-06-19 2021-12-23 信丰县包钢新利稀土有限责任公司 Three-dimensional convenient and fast rare-earth-waste transferring and storing device

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