CN103552153A - Segregation prevention method for ready mixed mortar - Google Patents
Segregation prevention method for ready mixed mortar Download PDFInfo
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- CN103552153A CN103552153A CN201310530815.6A CN201310530815A CN103552153A CN 103552153 A CN103552153 A CN 103552153A CN 201310530815 A CN201310530815 A CN 201310530815A CN 103552153 A CN103552153 A CN 103552153A
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- mortar
- inner core
- discharging
- storage tank
- tank
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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
- B65D90/00—Component parts, details or accessories for large containers
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Abstract
The invention relates to a segregation prevention method for ready mixed mortar. Vehicle-mounted mortar is fed into a central feeding pipe via a feeding pipe under action of pneumatic pressure and is filled into an inner barrel in the middle of a storage tank under a guide action of the central feeding pipe; the inner barrel is arranged at the central position in the storage tank and is fixed in the storage tank through a supporting rod at the lower part; a throat is formed in the bottom of the inner barrel; multiple shunt hoods are arranged at the upper part of the inner barrel; air holes are formed in the central feeding pipe; a discharge opening in the bottom of the storage tank is opened during discharging, and when discharging operation starts, because materials in the tank are gradually reduced and the number of the exposed air holes in the central feeding pipe is increased, the materials in the inner barrel are filled back by outside air and are slowly discharged, the discharging speed is increased with the increase of the backfill air quantity, the mortar at the bottom outside the barrel is descended, the discharging speed is higher than that in the middle inner barrel, and the materials are mixed at the bottom, so that the core-pulling segregation of the mortar tank is avoided.
Description
Technical field
The present invention relates to the realm of building construction, particularly a kind of anti-isolation process of dry-mixed mortar.
Background technology
Dry-mixed mortar means by professional production manufacturer production, the mixture that fine aggregate, mineral admixture and the additive that the cement of take is main cementitious matter and dry sieve divisional processing mixes by a certain percentage, after concrete commercialization, the revolution again of construction material, architectural construction technology.Along with the needs of social development, it has been inevitable that dry-mixed mortar replaces traditional mortar.But it is to be solved that dry-mixed mortar also exists many technical problems to have in actual production and application aspect, one of them crucial problem is exactly " segregation " problem of dry-mixed mortar, is called in the industry " segregation " technical barrier.Dry-mixed mortar is the mixture of prose style free from parallelism powdery and granular material, after powdery and granular material mixing, because its attribute is separately different, in storage, transportation, use procedure, all may there is the secondary separation of powder and particle, this phenomenon is exactly " segregation phenomenon " of dry-mixed mortar.If " segregation phenomenon " can not be effectively controlled, end product quality and the Construction Quality of dry-mixed mortar will be badly influenced.And " segregation phenomenon " of dry-mixed mortar is the problem that all dry-mixed mortars manufacturing enterprise must run into and cannot avoid.
Summary of the invention
The object of this invention is to provide the anti-isolation process of a kind of premixing mortar tank, premixing mortar, in the storage of tank, discharge process, can effectively improve the loose core phenomenon of segregation of mortar tank body.
For reaching the present invention of this object by the following technical solutions:
A kind of anti-isolation process of premixing mortar, vehicle-mounted mortar enters central feed tube by pneumatic transmission pressure by feeding tube, guiding function by central feed tube, mortar is poured in the middle inner core of storage tank, inner core is arranged on the center in storage tank, and the support bar by bottom is fixed in storage tank, and inner core bottom is provided with reducing, inner core top is provided with a plurality of fluid dividing covers, is provided with air-vent on central feed tube, in the time of discharging, open the discharge port of storage tank bottom, when starting discharging, because the material in tank gradually reduces, air-vent on central feed tube exposes increasing of quantity, material in inner core obtains outside air backfill and starts slow discharging, the speed of this discharging is accelerated along with increasing of backfill tolerance, because the fluid dividing cover depressurization on middle inner core top and the reducing of bottom discharging are kept out, the air-vent of the central upper portion feed pipe of inner core is expected that from full storehouse shutoff progressively exposes and increase to shallow storehouse, the reducing that slowly enters and export that the interior discharging of cylinder is subject to backfill gas has been subject to certain pining down, and the mortar decline discharge rate of cylinder outer bottom wants fast with respect to middle inner core, and mix in bottom, thereby prevent the mortar tank body segregation of loosing core.
The present invention is by arranging inner core in storage tank inside, make mortar enter tank body, mortar discharging etc. and can utilize the discharging of unpowered freely falling body, the segregation that bring at large angle of repose can be suppressed to the full extent, " segregation " problem in charging, discharge process can be prevented greatly.
Accompanying drawing explanation
Fig. 1 is anti-separating equipment structural representation of the present invention.
The distribution schematic diagram of mortar when Fig. 2-Fig. 4 is equipment charging of the present invention.
The distribution schematic diagram of mortar when Fig. 5-Fig. 7 is equipment discharging of the present invention.
The specific embodiment
As shown in Figure 1, the anti-separating equipment supporting with anti-isolation process comprises storage tank 1, is provided with inner core 2 in storage tank 1, on inner core 2, be connected with central feed tube 3, central feed tube 3 connects feeding tube 4, and inner core 2 bottoms are provided with reducing 21, are provided with air-vent 31 on central feed tube 3.Inner core 2 upper ends are provided with fluid dividing cover 5.Fluid dividing cover 5 has a plurality of.Inner core 2 is fixed in storage tank 1 by the support bar 22 of bottom.Inner core 2 is arranged on the center of storage tank 1.
As Fig. 2, during mortar charging, guiding function due to central feed tube 3, vehicle-mounted mortar is by the pneumatic transmission pressure of 0.15 ~ 0.2MPa left and right, 2 li of inner cores in the middle of most mortar is poured into, after inner core 2 spill-overs, mortar out progressively rises to the several fluid dividing cover 5(in top as Fig. 3 by inner core bottom).Reasonable angle due to the fluid dividing cover conical surface, the inwall compared with coarse granule fast fast direction storage tank of guide effect by the fluid dividing cover conical surface under vehicle-mounted air pressure promotes in mortar is done to land after S shape orbiting motion again, to play to change, compared with the coarse granule material direction of motion, slow down the decrease speed of thick, and powder is because of spray, to unload angle be to decline in umbrella cover formula spreading mode, large angle of repose while not becoming to a certain extent the interior charging of traditional tank, making does not have free rolling gesture power compared with coarse granule, thus the mortar segregation of bringing while greatly reducing truck pumping mortar.
As Fig. 4, when the fully loaded mortar of tank body, in inner core 2, store the mortar of a constant volume, inner core 2 diameter affect the performance of this isolation-proof device, diameter is too large, the mortar in inner core 2 can produce again and looses core and emanate, too little cylinder is outer can there is the excessive problem of loosing core, therefore inner core 2 diameters select storage tank diameters 1/3 and to be greater than 2 ~ 3 times of the diameters of storage tank 1 discharging opening comparatively suitable, because inner core 2 Weights Loaded are significantly smaller than the Weight Loaded outside inner core, the isolation decompression of fluid dividing cover 5 is arranged again at top, and therefore the mortar discharging in cylinder is dead-weight discharging substantially.And the mortar of the outer bottom of cylinder is subject to exerting pressure of top mortar when buying securities with all one's capital, faster than the mortar dead-weight discharging in cylinder, the mortar of inner core can be when large tank body discharging combined discharge again.
As Fig. 5,6, when starting discharging, because the material in tank gradually reduces, the air-vent 31 on central feed tube 3 exposes increasing of quantity, and the material in cylinder obtains outside air backfill and starts slow discharging, and the speed of this discharging is accelerated along with increasing of backfill tolerance.Because fluid dividing cover 5 depressurizations on middle inner core 2 tops and the reducing 21 of bottom discharging are kept out, the air-vent 31 of the central upper portion feed pipe 3 of inner core 2 is expected that from full storehouse shutoff progressively exposes and increase to shallow storehouse, the reducing that slowly enters and export that the interior discharging of cylinder is subject to backfill gas has been subject to certain pining down, and the mortar of cylinder outer bottom is with respect to the material in cylinder, load mortar amount more, and be subject to whole storehouse, top pressure ratio inner core mortar and come greatlyr, buffer action due to inner core, decline discharge rate wants fast with respect to middle inner core, and mixes in bottom.The discharging source major part of now tank body outlet is outside inner core.When warehouse compartment is dumped into half Intermediate Gray, the clout of inner core is few, although also belong to the discharging of loosing core, the less interference that is not subject to the outer material of cylinder of diameter, the angle of repose oneself forming is little.And now the material outside cylinder forms the little discharging of loosing core of ring-type between an inner/outer tube, because the diameter of inner core is greater than storage tank outlet, so loose core to be slowed down by the reducing of tank body lower part cone to a certain extent, to loose core greatly, angle of repose is little and form integral level and decline.From mortar discharging channel in the design's tank body, observe, compare with traditional tank, cone position, bottom resident a certain amount of powder all from canful to slack tank, powder is finally to fall, this be also traditional tank why always first thick after one of major reason of powder.And the ingenious buffer action that is just to have utilized intermediate cylinder of the design of this tank, make discharging space that most mortar can only form between inner core and large tank cone, so just most powder " can be extruded " and go out, in other words be exactly that powder is difficult to form resident in cone portion, can relatively reduce the staying volume of powder in this cone, make mortar reduce on the whole " segregation ".Thereby the centre while having changed traditional mortar jar discharging is fast, on limit slowly, the powder that produces of large " the loosing core " of peeling off layer by layer large " angle of repose " of bringing is deposited in cone limit etc. and adopts raw " segregation " phenomenon, make the mortar in whole tank body obtain whole decline, thereby farthest improve the loose core phenomenon of " segregation " of mortar tank body.
Claims (1)
1. the anti-isolation process of a premixing mortar, it is characterized in that, vehicle-mounted mortar enters central feed tube (3) by pneumatic transmission pressure by feeding tube (4), guiding function by central feed tube (3), mortar is poured into the middle inner core (2) of storage tank (1) inner, inner core (2) is arranged on the center in storage tank (1), support bar (22) by bottom is fixed in storage tank (1), inner core (2) bottom is provided with reducing (21), inner core (2) top is provided with a plurality of fluid dividing covers (5), on central feed tube (3), be provided with air-vent (31), in the time of discharging, open the discharge port of storage tank (1) bottom, when starting discharging, because the material in tank gradually reduces, air-vent (31) on central feed tube (3) exposes increasing of quantity, material in inner core (2) obtains outside air backfill and starts slow discharging, the speed of this discharging is accelerated along with increasing of backfill tolerance, because fluid dividing cover (5) depressurization on middle inner core (2) top and the reducing (21) of bottom discharging are kept out, the air-vent (31) of the central upper portion feed pipe (3) of inner core (2) is expected that from full storehouse shutoff progressively exposes and increase to shallow storehouse, the reducing that slowly enters and export that the interior discharging of cylinder is subject to backfill gas has been subject to certain pining down, and the mortar decline discharge rate of cylinder outer bottom wants fast with respect to middle inner core, and mix in bottom, thereby prevent the mortar tank body segregation of loosing core.
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CN201310530815.6A CN103552153B (en) | 2013-10-31 | 2013-10-31 | A kind of anti-isolation process of premixing mortar |
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CN201310530815.6A CN103552153B (en) | 2013-10-31 | 2013-10-31 | A kind of anti-isolation process of premixing mortar |
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CN103552153A true CN103552153A (en) | 2014-02-05 |
CN103552153B CN103552153B (en) | 2016-01-06 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110355876A (en) * | 2019-07-25 | 2019-10-22 | 辽宁科技大学 | Superfine powder, cement, water-reducing agent and the equipment of water atomization for concrete stirring |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2855685Y (en) * | 2006-04-21 | 2007-01-10 | 陈忠勇 | Dry mixed mortar storage tank with function of preventing mixture from being isolation |
GB2459928A (en) * | 2008-05-14 | 2009-11-18 | Campbell Brown | Mixing chamber and screw conveyor for preparing mortar |
CN203004076U (en) * | 2012-11-23 | 2013-06-19 | 辽宁海诺建设机械集团有限公司 | Dry-mixed mortar segregation-preventing device |
CN103204331A (en) * | 2013-05-06 | 2013-07-17 | 徐州徐工施维英机械有限公司 | Anti-isolation dry-mixed mortar finished product warehouse |
CN203127521U (en) * | 2012-12-15 | 2013-08-14 | 郑州筑邦建材有限公司 | Dry-mixed mortar anti-dissociation product cabin |
-
2013
- 2013-10-31 CN CN201310530815.6A patent/CN103552153B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2855685Y (en) * | 2006-04-21 | 2007-01-10 | 陈忠勇 | Dry mixed mortar storage tank with function of preventing mixture from being isolation |
GB2459928A (en) * | 2008-05-14 | 2009-11-18 | Campbell Brown | Mixing chamber and screw conveyor for preparing mortar |
CN203004076U (en) * | 2012-11-23 | 2013-06-19 | 辽宁海诺建设机械集团有限公司 | Dry-mixed mortar segregation-preventing device |
CN203127521U (en) * | 2012-12-15 | 2013-08-14 | 郑州筑邦建材有限公司 | Dry-mixed mortar anti-dissociation product cabin |
CN103204331A (en) * | 2013-05-06 | 2013-07-17 | 徐州徐工施维英机械有限公司 | Anti-isolation dry-mixed mortar finished product warehouse |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110355876A (en) * | 2019-07-25 | 2019-10-22 | 辽宁科技大学 | Superfine powder, cement, water-reducing agent and the equipment of water atomization for concrete stirring |
CN110355876B (en) * | 2019-07-25 | 2024-03-08 | 辽宁科技大学 | Equipment for atomizing superfine powder, cement, water reducing agent and water for stirring concrete |
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