CN106006043A - Wind power sand sucking flow control method - Google Patents

Wind power sand sucking flow control method Download PDF

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Publication number
CN106006043A
CN106006043A CN201610311708.8A CN201610311708A CN106006043A CN 106006043 A CN106006043 A CN 106006043A CN 201610311708 A CN201610311708 A CN 201610311708A CN 106006043 A CN106006043 A CN 106006043A
Authority
CN
China
Prior art keywords
sand
wind
force
suction pipe
pipe road
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.)
Pending
Application number
CN201610311708.8A
Other languages
Chinese (zh)
Inventor
贺克�
胡文保
郭向民
张应华
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.)
Foshan Ronggao Machinery Equipment Co Ltd
Guangzhou City Construction College
Original Assignee
Foshan Ronggao Machinery Equipment Co Ltd
Guangzhou City Construction College
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 Foshan Ronggao Machinery Equipment Co Ltd, Guangzhou City Construction College filed Critical Foshan Ronggao Machinery Equipment Co Ltd
Priority to CN201610311708.8A priority Critical patent/CN106006043A/en
Publication of CN106006043A publication Critical patent/CN106006043A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • B65G53/52Adaptations of pipes or tubes
    • B65G53/521Adaptations of pipes or tubes means for preventing the accumulation or for removal of deposits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • B65G53/52Adaptations of pipes or tubes
    • B65G53/528Flux combining or dividing arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • B65G53/58Devices for accelerating or decelerating flow of the materials; Use of pressure generators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • B65G53/66Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material

Abstract

The invention discloses a wind power sand sucking flow control method. A receiving opening in a horizontal wind power sand sucking pipeline and directly facing the top face of the wind power sand sucking pipeline makes sand entering the wind power sand sucking pipeline from the receiving opening form a natural stacking state, the flow of the sand entering the wind power sand sucking pipeline is controlled by a stacking repose angle of the sand, and thus automatic control over the flow of the sand in the wind power sand sucking pipeline is achieved. According to the wind power sand sucking flow control method, on the premise that certain air flow in the pipeline is ensured automatically, automatic adjustment of the flow of the sand can be achieved, and thus the sand does not block the pipeline. Operation is simple and reliable, usage is convenient, energy consumption is small, conveying efficiency is high, and the production cost can be reduced substantially.

Description

A kind of wind-force inhales sand flow amount control method
Technical field
The invention belongs to wind-force and inhale the flow automatic control technology of sand, particularly relate to a kind of wind-force and inhale sand flow-control Method.
Background technology
Pipeline wind model is a kind of efficient, practical, easy mode of movement.Particularly pipeline wind model sand Pipe material inhales sand, owing to it has simple in construction, is easily installed and the advantage such as use, currently extensively should With.
During pipeline wind model sand material, in order to guarantee to carry sand continuously in wind-force sand suction pipe road Material, needs the flow that sand material enters pipeline to be adjusted, if sand material and conveying tolerance ratio are improper, holds very much Easily cause sand material blocking pipeline.
At present, it is usually and uses mechanical flow adjusting device that the flow of sand material is adjusted, but, this There is following defect in regulative mode:
(1) use mechanical flow adjusting device that the flow of sand material is adjusted, regulation operation and use the most side Just.
(2) limited by on-site actual situations, if the concrete structure in wind-force sand suction pipe road does not allow to arrange mechanical flow Adjusting means, then will result in in-site installation difficulty so that this regulative mode is difficult to really implement.
(3) the control of sand stream amount is required higher by the wind model sand material system of large area multiple spot material feeding, if regulation The most improper, sand material easily blocks pipeline.
(4) the transfer efficiency of wind model sand material is the most relatively low, to improve transfer efficiency, avoiding line clogging, Existing method is to increase diameter and the air quantity in wind-force sand suction pipe road, improves blast simultaneously, and its essence increases merit exactly Rate, this will cause wind model system to consume energy very much, substantially increase production cost, it is difficult to large area multiple spot The system of material feeding carries out promoting and actual application.
Summary of the invention
It is an object of the invention to provide a kind of simple, use cost is low, less energy consumption, simple to operate, use Conveniently, reliably the wind-force that sand material carries continuously, transfer efficiency is high, be applicable to various wind-force suction sand occasion, is guaranteed Inhaling sand flow amount control method, when being applicable to large area, multiple spot and automatically collecting sand material, its technique effect is the most aobvious Write.
The purpose of the present invention is realized by following technical measures: a kind of wind-force inhales sand flow amount control method, and it is special Levy and be: in the wind-force sand suction pipe road of level and the receiving opening that is right against on wind-force sand suction pipe road end face makes from being subject to The sand material that material mouth enters forms natural packing state, and enters wind-force by the accumulation angle of repose control sand material of sand material The flow in sand suction pipe road, and then realize sand stream amount in wind-force sand suction pipe road is automatically controlled.
Accumulation angle of repose refers to: bulk cargo is fallen on horizontal plate continuously from funnel, is piled into cone, the mother of cone Angle between line same level face is referred to as piling up angle of repose, and it is to keep natural stability shape when bulk cargo is piled up The maximum angle of state.
The present invention utilizes the physical state piling up angle of repose of sand material, realizes automatically controlling sand stream amount, It is automatically adjusted sand gas mixing ratio, by the accumulation angle of repose of sand material, controls the flow that sand material flows in pipeline, And pile up angle of repose and once formed, angle is constant so that wind-force sand suction pipe also leaves what moving air passed through in road Duct, therefore, it is possible to air mass flow certain in automatically ensureing pipeline, thus keep amount of flow (the i.e. wind of air Amount) stability, it is ensured that sand suction pipe road properly functioning, air also can take away sand material in flow process, makes The sand material that must pile up constantly reduces, thus destroys accumulation angle of repose, and sand material flows into wind-force sand suction pipe from receiving opening again Road, piles up angle of repose until being formed again, and this process constantly circulates repeatedly.So, the present invention can protect automatically In card pipeline on the premise of certain air mass flow, it is achieved the flow of sand material is automatically adjusted so that sand material will not block Pipeline, the most simple to operate, reliable, easy to use, and also energy consumption is little, and transfer efficiency is high, can significantly drop Low production cost.
As one embodiment of the present invention, use the current limiting tube of short tube shape to be inserted in receiving opening, and make limit The lower end of flow tube stretch in wind-force sand suction pipe road and and its bottom surface between form space, sand material is automatic via current limiting tube Flow into and wind-force sand suction pipe road is formed natural packing state.The present invention uses current limiting tube to be inserted in receiving opening, knot Structure is the smallest and the most exquisite, low cost of manufacture, without many restrictions of erecting bed, is applicable to various mounting location.Also Other structure can be used to realize the accumulation angle of repose of sand material.
As a modification of the present invention, the receiving opening on a wind-force sand suction pipe road end face is several and along wind The length direction distribution in power sand suction pipe road, correspondingly, described current limiting tube is also several, each current limiting tube correspondence plug-in mounting In each receiving opening.Can realize the sand stream amount of multiple spot material feeding on a wind-force sand suction pipe road is automatically controlled.
As a further improvement on the present invention, described wind-force sand suction pipe road is a plurality of, shaking out of each wind-force sand suction pipe road End tandem is on same manifold trunk.It is suitable for large area, multiple spot and automatically collects sand material, it is possible to realize large area The system of multiple spot material feeding carries out promoting and actual application.
As a kind of preferred implementation of the present invention, the length that described current limiting tube stretches in wind-force sand suction pipe road is wind 1/3~1/4, preferably the 1/2 of power sand suction pipe road height.
As one embodiment of the present invention, the cross section in described wind-force sand suction pipe road is rectangle, the most flat Rectangle.
As a kind of preferred implementation of the present invention, the described width in wind-force sand suction pipe road is more than with the ratio of height 2.8:1, and the width in wind-force sand suction pipe road is less than or equal to 300mm.
As one embodiment of the present invention, described current limiting tube is vertically inserted in receiving opening.
The present invention is at the feed hopper being arranged over for collecting sand material of described receiving opening, and described current limiting tube is mainly by upper The funnel in portion connects with the straight tube of bottom and forms, the outer wall of the funnel of current limiting tube and the bottom interior wall of feed hopper Fitting tightly, described straight tube stretches out the bottom opening of feed hopper and stretches in receiving opening.
The present invention can also do following improvement, is provided with sealing between the end face in described feed hopper and wind-force sand suction pipe road Blob of viscose, described sealed gluing block has central through hole, described central through hole mainly by the gradually-reducing shape duct on top and under The straight hole link in portion forms, and described gradually-reducing shape duct fits tightly with feeding funnel bottom part outside wall surface, and straight hole road Fit tightly with the straight tube outside wall surface of current limiting tube, thus avoid sand material from the gap between feed hopper and current limiting tube Leak outside.
Compared with prior art, the present invention has a following significantly effect:
(1) the present invention utilizes the physical state piling up angle of repose of sand material, it is achieved that automatically controlling of sand stream amount, Sand gas mixing ratio can be automatically adjusted, it is not necessary to manual adjustment, before air mass flow certain in automatically ensureing pipeline Put, be automatically adjusted sand stream amount, it is to avoid sand material blocking pipeline.
(2) the present invention is compared with existing employing mechanical flow adjusting device, simple to operate, reliable, easy to use.
(3) the present invention uses current limiting tube to be inserted in receiving opening, and simple in construction is small and exquisite, low cost of manufacture, it is easy to real Existing, without many restrictions of erecting bed, it is applicable to various mounting location.
Energy consumption the most of the present invention is little, and transfer efficiency is high, production cost can be greatly lowered, be particularly applicable to greatly When area, multiple spot collect sand material automatically, its effect is particularly evident.
Accompanying drawing explanation
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of the present invention;
Fig. 2 is the structural representation of current limiting tube;
Fig. 3 is the schematic diagram that the present invention is applied on a wind-force sand suction pipe road;
Fig. 4 is A close-up schematic view in Fig. 3;
Fig. 5 is the schematic diagram that the present invention is applied on a plurality of wind-force sand suction pipe road.
Detailed description of the invention
As it is shown in figure 1, be that one wind-force of the present invention inhales sand flow amount control method, in the wind-force sand suction pipe road 1 of level Receiving opening that is interior and that be right against on wind-force sand suction pipe road 1 end face makes the sand material 4 entered from receiving opening form nature heap Cumuliformis state, and enter the flow in wind-force sand suction pipe road 1 by the angle of repose control sand material 4 of piling up of sand material 4, enter And realize sand stream amount in wind-force sand suction pipe road 1 is automatically controlled.
The current limiting tube 2 using short tube shape is inserted in receiving opening, and makes the lower end of current limiting tube 2 stretch into wind-force sand suction pipe In road 1 and and its bottom surface between form space, sand material 4 flows into shape in wind-force sand suction pipe road 1 via current limiting tube 2 Become natural packing state.
As shown in figs. 3 and 4, the receiving opening on wind-force sand suction pipe road 1 end face is several and inhales sand along wind-force The length direction distribution of pipeline 1, correspondingly, current limiting tube 2 is also several, and each current limiting tube 2 correspondence is inserted into respectively In receiving opening, can realize the sand stream amount of multiple spot material feeding on a wind-force sand suction pipe road is automatically controlled.
As it is shown in figure 5, wind-force sand suction pipe road 1 is a plurality of, the end tandem of shaking out in each wind-force sand suction pipe road 1 is same On bar house steward 5, in the present embodiment, one end of house steward 5 directly with the going out of wherein wind-force sand suction pipe road 1 Sand end connects, and the end that shakes out in remaining wind-force sand suction pipe road 1 is connected on the pipe shaft of house steward 5, another of house steward 5 Bring out gas B.The present embodiment is suitable for large area, multiple spot and automatically collects sand material, it is possible to realize large area multiple spot material feeding System carry out promoting and actual application.
In the present embodiment, the cross section in wind-force sand suction pipe road 1 is flattened rectangular, the width in wind-force sand suction pipe road 1 It is more than 3:1 with the ratio of height, and the width in wind-force sand suction pipe road is equal to 300mm.Current limiting tube 2 stretches into wind-force and inhales sand Length in pipeline 1 is the 1/2 of wind-force sand suction pipe road 1 height.
At the feed hopper 6 being arranged over for collecting sand material of receiving opening, as in figure 2 it is shown, current limiting tube 2 mainly by The funnel 21 on top connects with the straight tube 22 of bottom and forms, the outer wall of the funnel 21 of current limiting tube 2 and charging The bottom interior wall of bucket 6 fits tightly, and straight tube 22 stretches out the bottom opening of feed hopper 6 and stretches in receiving opening.
Sealed gluing block 7 it is provided with, during sealed gluing block 7 has between the end face in feed hopper 6 and wind-force sand suction pipe road 1 Heart through hole, central through hole is mainly formed by the gradually-reducing shape duct on top and the straight hole link of bottom, gradually-reducing shape hole Road fits tightly with feed hopper 6 bottom outer surface, and the straight tube outer wall of straight hole road and current limiting tube 2 fits tightly, To avoid sand material to spill from the gap between feed hopper and current limiting tube.
Present invention utilizes the principle piling up angle of repose, after the accumulation angle of repose of sand material is formed, and constantly increase, Until plug block current limiting tube, now sand material will not flow into wind-force sand suction pipe road from current limiting tube, control sand material to The flow flowed in pipeline, and pile up angle of repose and once formed, angle is constant so that in wind-force sand suction pipe road also Leave the duct that moving air passes through, therefore, it is possible to air mass flow certain in automatically ensureing pipeline, thus keep The stability of the amount of flow (i.e. air quantity) of air, it is ensured that sand suction pipe road properly functioning, air is at flow process In also can take away sand material so that the sand material of accumulation constantly reduces, thus destroys accumulation angle of repose, and sand material is from current limliting Pipe back flows back into wind-force sand suction pipe road, piles up angle of repose until being formed again, and this process constantly circulates repeatedly.
Embodiments of the present invention are not limited to this, according to the foregoing of the present invention, according to the ordinary skill of this area Knowledge and customary means, without departing under the present invention above-mentioned basic fundamental thought premise, the present invention realizes piling up peace The structure at breath angle also has other embodiment;It is that wind-force inhales sand that current limiting tube stretches into the length in wind-force sand suction pipe road The 1/3~1/4 of duct height;The cross section in wind-force sand suction pipe road is rectangle;The width in wind-force sand suction pipe road and height Ratio more than 2.8:1, and the width in wind-force sand suction pipe road is less than or equal to 300mm;Therefore, the present invention is all right Make the amendment of other various ways, replace or change, within the scope of all falling within rights protection of the present invention.

Claims (10)

1. a wind-force inhales sand flow amount control method, it is characterised in that: in the wind-force sand suction pipe road of level and just The sand material entered from receiving opening is made to form natural packing state for the receiving opening on wind-force sand suction pipe road end face, and Control the flow in sand material entrance wind-force sand suction pipe road by the angle of repose of piling up of sand material, and then realize wind-force is inhaled sand In pipeline, sand stream amount automatically controls.
Wind-force the most according to claim 1 inhales sand flow amount control method, it is characterised in that: use short tube shape Current limiting tube be inserted in receiving opening, and in making the lower end of current limiting tube stretch into wind-force sand suction pipe road and with its bottom surface it Between form space, sand material flows into via current limiting tube and forms natural packing state in wind-force sand suction pipe road.
Wind-force the most according to claim 2 inhales sand flow amount control method, it is characterised in that: a wind-force is inhaled Receiving opening on sand pipeline end face be several and along wind-force sand suction pipe road length direction distribution, correspondingly, institute Stating current limiting tube also for several, each current limiting tube correspondence is inserted in each receiving opening.
Wind-force the most according to claim 3 inhales sand flow amount control method, it is characterised in that: described wind-force is inhaled Sand pipeline is a plurality of, and shaking out of each wind-force sand suction pipe road holds tandem on same manifold trunk.
Wind-force the most according to claim 4 inhales sand flow amount control method, it is characterised in that: described current limiting tube Stretching into the length in wind-force sand suction pipe road is the 1/3~1/4 of wind-force sand suction pipe road height.
Wind-force the most according to claim 5 inhales sand flow amount control method, it is characterised in that: described wind-force is inhaled The cross section of sand pipeline is flattened rectangular.
Wind-force the most according to claim 6 inhales sand flow amount control method, it is characterised in that: described wind-force is inhaled The width of sand pipeline is more than 2.8:1 with the ratio of height, and the width in wind-force sand suction pipe road is less than or equal to 300mm.
Wind-force the most according to claim 7 inhales sand flow amount control method, it is characterised in that: described current limiting tube For being vertically inserted in described receiving opening.
Wind-force the most according to claim 8 inhales sand flow amount control method, it is characterised in that: in described material feeding Mouthful the feed hopper being arranged over for collecting sand material, described current limiting tube is mainly by the funnel on top and bottom Straight tube connection forms, and the outer wall of the funnel of current limiting tube fits tightly with the bottom interior wall of feed hopper, described straight tube Stretch out the bottom opening of feed hopper and stretch in receiving opening.
Wind-force the most according to claim 9 inhales sand flow amount control method, it is characterised in that: in described charging Being provided with sealed gluing block between bucket and the end face in wind-force sand suction pipe road, described sealed gluing block has central through hole, described Central through hole is mainly formed by the gradually-reducing shape duct on top and the straight hole link of bottom, described gradually-reducing shape duct with Feeding funnel bottom part outer surface fits tightly, and the straight tube outer wall of straight hole road and current limiting tube fits tightly to avoid sand material Spill from the gap between feed hopper and current limiting tube.
CN201610311708.8A 2016-05-10 2016-05-10 Wind power sand sucking flow control method Pending CN106006043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610311708.8A CN106006043A (en) 2016-05-10 2016-05-10 Wind power sand sucking flow control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610311708.8A CN106006043A (en) 2016-05-10 2016-05-10 Wind power sand sucking flow control method

Publications (1)

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CN106006043A true CN106006043A (en) 2016-10-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4059872A1 (en) * 2021-03-15 2022-09-21 Bühler AG Pneumatic conduit for a food or feed mill

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Publication number Priority date Publication date Assignee Title
EP4059872A1 (en) * 2021-03-15 2022-09-21 Bühler AG Pneumatic conduit for a food or feed mill

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Application publication date: 20161012