CN203889009U - Device for preventing bulk refined powder ore cargoes from fluidizing - Google Patents
Device for preventing bulk refined powder ore cargoes from fluidizing Download PDFInfo
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- CN203889009U CN203889009U CN201420201594.8U CN201420201594U CN203889009U CN 203889009 U CN203889009 U CN 203889009U CN 201420201594 U CN201420201594 U CN 201420201594U CN 203889009 U CN203889009 U CN 203889009U
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- powder ore
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- drain hose
- drain pipes
- pvc drain
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Abstract
The utility model relates to a device for preventing bulk refined powder ore cargoes from fluidizing. The device is composed of PVC drain pipes, water level sensors, geonet meshes and holes; the PVC drain pipes are distributed in the shipped bulk refined powder ore cargoes for form horizontal and vertical drain channels in the refine powder ore, and thereby excessive moisture separated out from the powder ore under the effect of waves are rapidly drained into the drain pipes through holes in the pipe walls so as to avoid forming free surface. The geonet meshes are used for wrapping the pipe walls of the drain pipes to form water storage container in the PVC drain pipes, the water level sensors are arranged in the drain pipes for monitoring the height of water in the pipes in real time, so that effective pre-warning to fluidization of the refine powder ore is achieved; after the ship arrives at a port safely, the drain pipes are drawn out, moisture in the pipes reflows into the refined powder ore, thus keeping the weight of the cargo. The device for preventing the bulk refined powder ore cargoes from fluidizing has the advantages of being safe and effective in use, simple and rapid to load and unload, and convenient to use repeatedly, and meanwhile can meet the requirements of a carrying party and a transaction party on safety of the shipped cargoes and the weight of the cargoes in transaction.
Description
Technical field
The utility model belongs to sea-freight security fields, relates to the fluidised device of a kind of prevention fine powder mineral in bulk, this device have isolate unnecessaryly separate out water, do not affect cargo transaction weight, easy installation and removal, can reuse, the feature such as safety economy is feasible.
Background technology
The main transportation mode in fine powder ore deposit is ocean freight in bulk, and it needs to adopt artificial water spray control its central core temperature or overcome the problems such as dust from flying in storage and transportation.In the situation that the water ratio of fine ore is higher, due to Ship Swaying vibration in navigation, moisture is very easily separated out and is moved and form free surface, cause the fluidization of fine powder ore deposit, cause toppling after boats and ships wide-angle heel, the safety of transporting by sea is constituted a serious threat, very easily cause great casualty aqueous ingredients.In recent years, in China's administration waters, there are a lot of carrying fine ore boats and ships sinkings, caused life at sea, property heavy losses.
The transaction of fine powder ore deposit goods is calculated by weight conventionally, and know perfectly well the in the situation that goods water ratio exceeding standard and still can deliver in carrying process a lot of carrying sides, even, in the situation that goods forms free surface, is still unwilling excessive moisture to take out.At present, the preventive of the control Assembly that Shipping company takes mostly both at home and abroad comprise examination goods aqueous ingredients, and bilge well is set, bury a barrel ponding, alternate hold etc., however these preventive all fail well to obtain preventive effect, and basic or experience is controlled.Although the water ratio of the goods before examination loading need to be imported and exported the strict audit of quarantine and examination office, most of Shipping company can deposit idea of leaving things to chance for the interests consideration of cargo transaction weight; While burying ponding bucket underground, bucket in stent support must be set, this method cost quite high and very easily damage, therefore can only use in subrange; Bilge well is set, the modes such as alternate hold, crewman only has etc. and to separate out water to surface, fine powder ore deposit and could discover to some extent, to the substantially reserved any pre-warning time of the sea-freight fluidised generation in fine powder ore deposit, once and free surface forms, boats and ships topple extremely urgent.
Utility model content
The purpose of this utility model be to propose a kind of simple to operate, with low cost, prevent the fluidised device of fine powder mineral in bulk safely and effectively, and meet carrying side, the weight requirement of counterparty to the demand for security at carrying goods and cargo transaction simultaneously.
To achieve these goals, the fluidised device of prevention fine powder mineral in bulk the utility model proposes, by PVC drain hose 1, water level detector 2, geotechnological grenadine 3 and hole 4, formed, wherein: the tube wall surrounding of PVC drain hose 1 is evenly distributed with hole 4, geotechnique's grenadine 3 is evenly wrapped in outside PVC drain hose 1, and PVC drain hose 1 bottom is provided with water level detector 2.
In the utility model, described PVC drain hose 1 tube wall lengthwise position adopts the fixing geotechnological grenadine of steel wire lashing band.
Using method of the present utility model is as follows: on-the-spot loading before the goods of fine powder ore deposit, the PVC drain hose by the uniform hole of geotechnological grenadine parcel tube wall, is vertically embedded in cargo cabin of bulk cargo ship perisporium, at the middle part, He Mei limit, four angles of each cargo hold, respectively arranges one.The tube wall surrounding of drain hose is provided with even hole, can form and be beneficial to the drainage channel that fine powder ore deposit goods is separated out moisture; The geotechnological grenadine parcel PVC drain hose tube wall that adopts specific order number, prevents that fine powder ore deposit from seeing through drain hose cinclides hole and entering drain hose inside; The moisture of separating out by the tube storage fine powder ore deposit goods of drain hose, isolates unnecessary water and the fine powder ore deposit goods of separating out.Water level detector is set in pipe, realizes on-the-spot water level and show in real time.After safety vessel arrives at harbour, drain hose is extracted out, in drain hose, separate out water and will be back in the goods of fine powder ore deposit, in carrying process, will not produce any cargo weight loss.
The beneficial effects of the utility model can effectively be prevented the generation of fluidization phenomenon, realize the fluidised early warning in fine powder ore deposit, and meet carrying side, the weight requirement of counterparty to the demand for security at carrying goods and cargo transaction simultaneously.
Accompanying drawing explanation
Fig. 1 is the PVC drain hose schematic diagram of the uniform hole of geotechnological grenadine parcel tube wall;
Fig. 2 is the PVC drain hose partial enlarged drawing of the uniform hole of geotechnological grenadine parcel tube wall,
Fig. 3 is the cabin section-drawing that adds the PVC drain hose of the uniform hole of geotechnological grenadine parcel tube wall;
Fig. 4 is the front elevation of model test that adds the PVC drain hose of the uniform hole of geotechnological grenadine parcel tube wall;
Fig. 5 is the model test front elevation that adds the PVC drain hose of the uniform hole of geotechnological grenadine parcel tube wall;
Fig. 6 is the model test result figure that adds the PVC drain hose of the uniform hole of geotechnological grenadine parcel tube wall;
Fig. 7 is not for adding the model test result figure of the PVC drain hose of the uniform hole of geotechnological grenadine parcel tube wall.
Number in the figure: 1 is PVC drain hose, 2 is water level detector, and 3 is geotechnological grenadine, and 4 is hole.
The specific embodiment
Below by embodiment, further illustrate by reference to the accompanying drawings the utility model.
Embodiment 1: the concrete data in conjunction with 5.7 ton bulge carrier cabins, are further described the specific embodiment of the present utility model and control step.
The bulge carrier of 5.7 tons, cabin width is 28.38m, and cabin is 31.160m along the length of hull y direction, and when evenly load in each cabin, the loading height of iron ore concentrate goods is 11.387m.Before iron ore concentrate goods loads, adopt PVC drain hose 1 device of the uniform hole of a kind of geotechnological grenadine 3 parcel tube wall to be vertically embedded in four jiaos of cabin hatch and hatch four middle parts, limit, totally 8 PVC drain hose 1(are shown in Fig. 4).Water level detector is all dropped in every PVC drain hose 1 bottom, elevation of water surface in real-time monitoring tubular.
As shown in Figure 1-Figure 3, this device comprises PVC drain hose 1 and the geotechnological grenadine 3 of the uniform hole of tube wall.Adopt the PVC drain hose 1 of diameter 0.50m, length 18.00m, even tube wall is arranged hole 4, and horizontal every even circumferential is arranged 10 holes, and longitudinally hole is spaced apart 0.10m, aperture diameter 0.05m; Adopt the geotechnological grenadine 3 that mesh diameter is 0.1mm, evenly wrap up the tube wall of PVC drain hose 1, and fix with steel wire lashing.
In iron ore concentrate goods carrying process, bulge carrier hull is subject to the effect generation of stormy waves and rocks, the moisture that iron ore concentrate in cabin is separated out under effect of vibration is pooled in drain hose by drain hose tube wall hole, the moisture that the tube storage fine powder ore deposit goods of drain hose is separated out, and iron ore concentrate particle is isolated in outside drain hose pipe by geotechnological grenadine.In carrying process, by water level depth in level sensor Real-Time Monitoring drain hose.After bulge carrier carrying completes, drain hose is extracted out, in pipe, moisture is back in iron ore concentrate, and the weight of iron ore concentrate in bulk in carrying front and back does not reduce.
Embodiment 2:
(1) PVC drain hose 1: the PVC drain hose of diameter 20mm, length 500mm 1 even tube wall is arranged to hole 4, aperture diameter 4mm, longitudinal interval 25mm.The mesh diameter of geotechnique's grenadine 3 is 0.1mm, 1 three layers of parcel PVC drain hoses, and fix with binding strap.
(2) experimental model case: adopt indoor small vibrating platform model casing, drive the horizontal reciprocating of model casing substrate to vibrate by joggling table mechanical load, the horizontal rolling effect of simulation 5.7 ton bulge carriers under wind wave action.Model casing model ratio is 1:25, and internal dimensions is: 660mm(length) * 320mm(is wide) * 600mm (height), model casing sidewall is transparent organic glass, facilitates the phenomenon observation (see figure 5) in process of the test.
(3) sample preparation: test material is to come from the iron ore concentrate that Shanghai enters the free stockyard of Luojing harbour, border, and particle proportion is 4.95, mean grain size 0.19mm, nonuniformity coefficient 4.6, coefficient of curvature 1.469.After the configuration water ratio iron ore concentrate sample that is 10%, adopt the layering sample prescription that falls to prepare sample, controls dry density is 2.72g/cm3, control relative density 33%.After moistening felt is laid on surface standing 2 hours, treat that moisture is full and uniform in sample inside.
(4) before test, on the length direction of inner two walls of model casing every 220mm, respectively be arranged vertically a drain hose, arrange altogether 8 drain hose (see figure 5)s, in test, the model height of iron ore concentrate is 400mm, model short transverse arranges lateral marker sand every 100mm, and at model middle part, arranging is highly the vertical sign sand of 400mm.
(5) design mock-up test vibration acceleration is 0.3g, and oscillation frequency is 1HZ.Connect after joggling table power supply, model casing starts horizontal vibration back and forth.
(6), in vibration processes, can measure and separate out water water level depth in drain hose, the slippage situation of clear glass observation fine powder ore sample that can be by model casing sidewall; If generation fluidization, records the time that fluidization occurs, if there is not fluidization, record the height of moisture liquid level rising, the water level depth in drain hose.After end of test, PVC drain hose is extracted out, in pipe, the unnecessary water of separating out comes back to iron ore concentrate sample inside.
(7) test results shows: do not add the sample of PVC drain hose after vibration 5min, iron ore concentrate, along with moisture is separated out in vibration, forms free surface and arrives breeze surface, and fluidization forms, and the displacement by sign sand can find out that upper strata iron ore concentrate has reciprocal slippage, as shown in Figure 7.Add the sample of PVC drain hose after vibration 10min, still do not have fluidised phenomenon to produce, the height of sample moisture liquid level remains on the position stability of 240mm, iron ore concentrate sample does not produce reciprocal slippage, after end of test, measuring the unnecessary equal water level depth of level of separating out in drain hose is 8cm, as shown in Figure 6.
(8) through two groups of contrast test checkings, effect of the present utility model is apparent, can finely from source, control the fluidised generation of iron ore concentrate, and can be simultaneously after fine powder ore sample demand for security and vibration in vibration processes finish the demand of not reduction weight.
More than show and described groundwork of the present utility model, principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not subject to the restriction of above-mentioned example; that in above-mentioned example and specification sheets, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. one kind is prevented the fluidised device of fine powder mineral in bulk, by PVC drain hose (1), water level detector (2), geotechnological grenadine (3) and hole (4), formed, it is characterized in that: the tube wall surrounding of PVC drain hose (1) is evenly distributed with hole (4), geotechnique's grenadine (3) is evenly wrapped in outside PVC drain hose (1), and PVC drain hose (1) bottom is provided with water level detector (2).
2. the fluidised device of a kind of prevention according to claim 1 fine powder mineral in bulk, is characterized in that described PVC drain hose (1) tube wall lengthwise position adopts the fixing geotechnological grenadine of steel wire lashing band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420201594.8U CN203889009U (en) | 2014-04-24 | 2014-04-24 | Device for preventing bulk refined powder ore cargoes from fluidizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420201594.8U CN203889009U (en) | 2014-04-24 | 2014-04-24 | Device for preventing bulk refined powder ore cargoes from fluidizing |
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| Publication Number | Publication Date |
|---|---|
| CN203889009U true CN203889009U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420201594.8U Expired - Fee Related CN203889009U (en) | 2014-04-24 | 2014-04-24 | Device for preventing bulk refined powder ore cargoes from fluidizing |
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| CN (1) | CN203889009U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109018211A (en) * | 2018-07-17 | 2018-12-18 | 浙江海洋大学 | The anti-fluidization equipment of the easy fluidised form cargo of the shipping of high water absorbency polymer and method |
| CN109094741A (en) * | 2018-07-06 | 2018-12-28 | 浙江海洋大学 | The easy fluidised form cargo of shipping prevents fluidised electrolysis desaturation device and method |
| CN109131754A (en) * | 2018-07-24 | 2019-01-04 | 浙江海洋大学 | Desaturation device and method is inflated in the anti-fluidization of the easy fluidised form cargo of shipping |
-
2014
- 2014-04-24 CN CN201420201594.8U patent/CN203889009U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094741A (en) * | 2018-07-06 | 2018-12-28 | 浙江海洋大学 | The easy fluidised form cargo of shipping prevents fluidised electrolysis desaturation device and method |
| CN109018211A (en) * | 2018-07-17 | 2018-12-18 | 浙江海洋大学 | The anti-fluidization equipment of the easy fluidised form cargo of the shipping of high water absorbency polymer and method |
| CN109018211B (en) * | 2018-07-17 | 2020-08-04 | 浙江海洋大学 | Anti-fluidization device and method for ship-transported easy-to-flow goods made of high water-absorption polymer |
| CN109131754A (en) * | 2018-07-24 | 2019-01-04 | 浙江海洋大学 | Desaturation device and method is inflated in the anti-fluidization of the easy fluidised form cargo of shipping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20160424 |