CN105689106B - Spiral chute mounting structure and installation method - Google Patents
Spiral chute mounting structure and installation method Download PDFInfo
- Publication number
- CN105689106B CN105689106B CN201610077373.8A CN201610077373A CN105689106B CN 105689106 B CN105689106 B CN 105689106B CN 201610077373 A CN201610077373 A CN 201610077373A CN 105689106 B CN105689106 B CN 105689106B
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- China
- Prior art keywords
- spiral chute
- circular hollow
- cover plate
- hollow stub
- upper cover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/62—Washing granular, powdered or lumpy materials; Wet separating by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
- B03B5/626—Helical separators
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- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a kind of spiral chute mounting structure and installation method, including the lower circular hollow stub holder being fixedly installed on hull, and it is fixedly connected on the upper circular hollow stub holder of spiral chute upper cover plate lower surface；And the interior diameter of upper and lower circular hollow stub holder is bigger 3 4mm than the overall diameter of spiral chute center pipe；First spiral chute center pipe lower end is inserted into lower circular hollow stub holder during installation, spiral chute upper cover plate is put between the I-beam of Ship Structure again, then circular hollow stub holder is made while being inserted in spiral chute center pipe upper end, while push, until spiral chute upper cover plate contacts below with I-beam；And spiral chute upper cover plate and I-beam are connected below by bolt.The present invention is mainly suitable for the construction work of ocean mining ore dressing integrated ship, marine ore dressing platform or ore dressing ship.
Description
Technical field
The present invention relates to application of the spiral chute mounting process in ore-sorting system construction, suitable for ocean mining ore dressing one
The construction work of body ship, marine ore dressing platform or ore dressing ship.
Background technology
Spiral chute：A kind of gravity beneficiation equipment of the runner with downward spiral, suitable for sorting granularity 0.02-
The fine grain iron ores of 0.3mm, ilmenite, chromite, troilite, zircon, rutile, monazite, the ore deposit of phosphorus hundred million, tungsten ore, tin ore,
Tantalum ore, niobium minerals and other non-ferrous metals, rare metal and the nonmetallic mineral that have difference of specific gravity.Spiral chute, which has, to be sorted
Cheng Wending, be easily controlled, feed ore concentration allow excursion it is big, concentration ratio is high, the rate of recovery is high, floor space is small, water consumption is few,
It is simple in construction, without power, treating capacity is big, simple to install, it is easy to operate, investment is small quick the advantages that.
Spiral chute is made up of PVC plastic, nylon plastic(s) or fiberglass, and product deadweight is 200~400kg（Glass steel
Weight is bigger made of material）, a diameter of 600~2000mm, it is highly 3500~4200mm, equipment is using hot air welding, neck
Connection or self-tapping screw connection, the power very little that junction can be born, only the center pipe intensity at two is enough to be used in up and down
Installation is fixed.
In the flotation engineering of conventional land, generally use channel-section steel is welded to form a pedestal for carrying square depression, installation
When, the lower end of spiral chute center pipe is inserted into the pit of pedestal, after insertion, channel-section steel and spiral chute center circle pipe surface
Leave 2 ~ 3mm space.The angle steel of a transverse direction is arranged above spiral chute, is pressed from both sides by a U-tube by spiral chute center
Get up with this root angle steel bolt connection the upper end of pipe.After spiral chute center pipe upper and lower ends all fix, it is installed
Just complete.
The shortcomings that this mode is：
1st, spiral chute center pipe（PVC material）Lower end be inserted into square pit in, by four of the pit
While limiting the motion of center pipe lower end front, rear, left and right four direction, lifting surface area is small, is not suitable for marine environment.Circle
It is linear contact lay in the contact theory of cylinder and plane, is a narrow face contact in actual loading.Because lifting surface area
Very little, so its stress can not possibly be too big, the strength degree of material otherwise can be broken through, causes to damage.In the flotation engineering of land,
Whole ore-sorting system is static with respect to ground, and the wind-force of land is generally also little, and this mounting means is applicable.For
For ocean mining ore dressing integrated ship, marine ore dressing platform or ore dressing ship, when dispatching with operation, due to wind, wave, the work gushed
With ship can ceaselessly be swung in itself, and the amplitude of swing depends on the severe degree of meteorological condition.Dispatch by wind, wave, gush greatly
Marine site when, or when operation marine site is by typhoon influence, ship rolling, pitching are very serious, and all directions that spiral chute is born add
Speed can be very big, and crosswind force also can be very big.The comprehensive function of these factors can cause pedestal to be connect with spiral chute center pipe
Synapsis stress is huge, pressure rise, it is likely that can generative center pipe pressure break phenomenon, and then occur spiral chute come off wait seriously
Accident.
2nd, the upper end of spiral chute center pipe is fixed on angle steel by a U-tube folder, only the limit of front, rear, left and right
Position, without upper limit, is not suitable for marine environment.On land, ore-sorting system is static, and this mounting means is immaculate.
But for ocean mining ore dressing integrated ship, marine ore dressing platform or ore dressing ship, dispatch by wind, wave, gush big marine site
When, or when operation marine site is by typhoon influence, ship rolling, pitching, heaving are very serious, due to lacking upper limit, spiral chute
It may upwards be moved with respect to Ship Structure, cause the lower end of spiral chute center pipe to jump out susceptor pocket, spiral occurs and slips
Groove such as comes off, fallen into the sea at the major accident, causes irremediable heavy losses.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of spiral chute mounting structure and installation method, with solution
Certainly the problems of the prior art.
To achieve these goals, technical scheme is as follows：
Spiral chute mounting structure, it is characterised in that including the lower circular hollow stub holder being fixedly installed on hull, with
And it is fixedly connected on the upper circular hollow stub holder of spiral chute upper cover plate lower surface；And upper and lower circular hollow stub holder is straight
Footpath is bigger 3-4mm than spiral chute center circle pipe diameter；
The spiral chute installation method, comprises the following steps：
First spiral chute center pipe lower end is inserted into lower circular hollow stub holder, then spiral chute upper cover plate is put
Between the I-beam for entering Ship Structure, then make circular hollow stub holder while being inserted in spiral chute center pipe upper end, one
While push, until spiral chute upper cover plate contacts below with I-beam；And by bolt by spiral chute upper cover plate and I-beam
Connect below.
Further, lower circular hollow stub holder is welded with Ship Structure using interruption.
Further, pipe upper end in spiral chute center has 10mm gap with spiral chute upper cover plate lower surface.
Beneficial effects of the present invention
1st, the horizontal direction force state of spiral chute center pipe upper end, lower end is improved, has adapted to ocean operation ring
The characteristics of border.
2nd, the upper limit of spiral chute center pipe upper end is added, can effectively prevent that escape is pacified from lower end on spiral chute
Fill pedestal.
3rd, installation is simple and convenient, and is advantageous to the maintenance in later stage, changes.
4th, upper end, lower end use round base, are easy to spiral chute in installation site direction of rotation, adjustment posture.
The present invention is mainly suitable for the construction work of ocean mining ore dressing integrated ship, marine ore dressing platform or ore dressing ship.
The features of the present invention see this case schema and the following preferably detailed description of embodiment and obtain clearly
Solution.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Close specific implementation example and the present invention is expanded on further.
Referring to Fig. 1, spiral chute mounting structure, including the lower circular hollow stub holder being fixedly installed on hull 10（Φ
245x11mm length is 100mm seamless steel pipe）11, and it is fixedly connected on the upper circle of the lower surface of spiral chute upper cover plate 20
Hollow short pipe seat（Φ 245x11mm length is 100mm seamless steel pipe）21；And the interior diameter ratio of upper and lower circular hollow stub holder
The big 3-4mm of overall diameter of spiral chute center pipe；There is provided that horizontal direction is spacing, lower limit by lower circular hollow stub holder.
After the pipe insertion of spiral chute center, surrounding has 3-4mm gap, and center pipe can be facilitated to enter when mounted, and and can is prevented
Only spiral chute produces over-large displacement in the horizontal direction.The contact property of seamless steel pipe internal wall and spiral chute center circular tube external wall
For the face of cylinder and Cylindrical Surfaces Contact, it is possible to increase contact area, improve the stress limit.
There is provided that horizontal direction is spacing, upper limit by upper circular hollow stub holder.Spiral chute upper cover plate and Ship Structure
It is bolted, repeats dismounting.Compared with U-tube is clamping surely, the horizontal direction force area of this mounting means
Also increase.
The spiral chute installation method, comprises the following steps：
First the lower end of spiral chute center pipe 30 is inserted into lower circular hollow stub holder, then by spiral chute upper cover plate
It is put between the I-beam 40 of Ship Structure, then makes circular hollow stub holder while being inserted on the pipe of spiral chute center
End, while pushing, until spiral chute upper cover plate contacts below with I-beam；And by bolt by spiral chute upper cover plate and work
Word beam connects below.
Wherein, lower circular hollow stub holder is welded with Ship Structure using interruption.So that ponding is released, be advantageous to prevent corruption
Erosion.
This mounting means both can guarantee that reliable installation was fixed, be easy to again spiral chute installation and the maintenance in later stage,
Change, very rationally, easy.Spiral chute center pipe upper end has 10mm gap, energy with spiral chute upper cover plate lower surface
Spiral chute is set not cause to oppress to spiral chute, be effectively protected equipment because of the stress deformation of Ship Structure.
The present invention is mainly suitable for the construction work of ocean mining ore dressing integrated ship, marine ore dressing platform or ore dressing ship.
The upper and lower ends of spiral chute center pipe all obtain horizontal and up/down it is spacing after, ocean operation environment bar can be well adapted for
Part, it is ensured that spiral chute not because the rolling of ship, pitching, heaving and excessive relative displacement occurs with hull, all the time by firmly,
It is securely fixed in installation pedestal.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent defines.
Claims (3)
1. spiral chute mounting structure, it is characterised in that including the lower circular hollow stub holder being fixedly installed on hull, and
It is fixedly connected on the upper circular hollow stub holder of spiral chute upper cover plate lower surface；And upper and lower circular hollow stub holder is interior straight
Footpath is bigger 3-4mm than the overall diameter of spiral chute center pipe；
The spiral chute installation method, comprises the following steps：
First spiral chute center pipe lower end is inserted into lower circular hollow stub holder, then spiral chute upper cover plate is put into ship
Between the I-beam of body structure, then make circular hollow stub holder while being inserted in spiral chute center pipe upper end, under one side
Pressure, until spiral chute upper cover plate contacts below with I-beam；It is and by bolt that spiral chute upper cover plate and I-beam is following
Connect.
2. spiral chute mounting structure according to claim 1, it is characterised in that lower circular hollow stub holder and hull knot
Structure is welded using interruption.
3. spiral chute mounting structure according to claim 1, it is characterised in that spiral chute center pipe upper end and spiral shell
There is 10mm gap rotation chute upper cover plate lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610077373.8A CN105689106B (en) | 2016-02-04 | 2016-02-04 | Spiral chute mounting structure and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610077373.8A CN105689106B (en) | 2016-02-04 | 2016-02-04 | Spiral chute mounting structure and installation method |
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| Publication Number | Publication Date |
|---|---|
| CN105689106A CN105689106A (en) | 2016-06-22 |
| CN105689106B true CN105689106B (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610077373.8A Active CN105689106B (en) | 2016-02-04 | 2016-02-04 | Spiral chute mounting structure and installation method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115672532B (en) * | 2022-11-01 | 2024-05-03 | 金川集团镍钴有限公司 | Unpowered dead weight extrusion type gravity sedimentation separator and method for improving concentrate grade |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1495212A1 (en) * | 1987-06-16 | 1989-07-23 | Украинский Филиал Государственного Проектного И Конструкторского Института "Союзпроммеханизация" | Device for placing perishable objects into containers |
| DE3723339A1 (en) * | 1987-07-15 | 1989-01-26 | Werner Osterhage | Spiral conveyor |
| CN1003568B (en) * | 1987-11-17 | 1989-03-15 | 新疆有色金属研究所 | High-frequency vibrating spiral sluiceway ore drewwing machine |
| CN203944460U (en) * | 2014-06-05 | 2014-11-19 | 六安金龙矿山机械科技有限公司 | The complete set of equipments of various metals breeze in microkinetic enrichment natural river sand |
| CN204380837U (en) * | 2014-12-05 | 2015-06-10 | 石城高旋轴瓦有限责任公司 | One selects titanium ore spiral chute |
| CN204527556U (en) * | 2014-12-26 | 2015-08-05 | 上海航盛船舶设计有限公司 | A kind of ocean mining ship ore-sorting system supportive device |
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