CN106351170A - Flow-splitting water-distributing device of constant head - Google Patents
Flow-splitting water-distributing device of constant head Download PDFInfo
- Publication number
- CN106351170A CN106351170A CN201610667822.4A CN201610667822A CN106351170A CN 106351170 A CN106351170 A CN 106351170A CN 201610667822 A CN201610667822 A CN 201610667822A CN 106351170 A CN106351170 A CN 106351170A
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- Prior art keywords
- flow
- water
- chamber
- distributing device
- spoiler
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
Abstract
The invention discloses a flow-splitting water-distributing device of a constant head. The flow-splitting water-distributing device comprises a box with an opening in the upper end face, a flow-partitioning plate is arranged inside the box and used for dividing the box into an overflowing chamber and a flow outgoing chamber, flow-stopping plates are arranged inside the overflowing chamber and used for dividing the overflowing chamber into a turbulent flow chamber and a static flow chamber, a water inlet pipe is arranged on the part, in the turbulent flow chamber, of the box and connected with a water-supplying pipeline, densely-distributed flow passing holes are formed in the flow-stopping plates, and an overflowing groove is formed in the flow-partitioning plate between the static flow chamber and the flow outgoing chamber; multiple flow-distributing pipes of different heights are arranged on the part, in the static flow chamber, of the box, the highest flow-distributing pipe is lower than the overflowing groove, water outlet pipes used for discharging water are arranged at the part, in the flow outgoing chamber, of the box, and throttling devices are arranged on the water outlet pipes and the flow-distributing pipes respectively. According to a test flow design requirement, the excessive flow of incoming water can be regulated; redundant water is recovered through the water outlet pipes and prevented from being abandoned; the flow-splitting water-distributing device is simple in structure, convenient to apply and maintain and capable of being widely applied to a hydraulic power water flow test and hydraulic engineering needing flow-quantifying regulation.
Description
Technical field
The invention belongs to water conservancy projects technical equipment field, be related to a kind of according to water flow requirement to larger come discharge
The technical equipment carrying out automatic accurate shunting water distribution is and in particular to a kind of determine head diversion water distributing device.
Background technology
When carrying out current hydraulics test in the wild, it is frequently run onto the different flow of inlet water level of needs setting to study difference
Test scene under operating mode level.Different from laboratory research equipment complete advanced, can according to test flow require water supply is set
The standby good condition carrying out multistage regulation, the test of field water hydraulics often can only carry out constant flow by single-stage water pump and determine water
Head supplies water.In order to meet different tests flow of inlet water requirement, often to be expired by configuring multiple stage low discharge water pump selection and designing
The different requirement of sufficient flow of inlet water.But, when the mobility scale running into test requirements document flow is larger, the low discharge water pump of needs
Quantity will be very big, cause loaded down with trivial details and inconvenient on certain funds pressure and operational management to scientific research and testing personnel.With
When, under conditions of modern industry pipelining produces, the model of water pump is that interval variation of flow and lift finalizes the design almost, examination
Test the uninterrupted needed for personnel and require to be also cannot to can solve the problem that by the combination of different flow water pump sometimes.Even many
Level scalable water pump, its Flow-rate adjustment excursion is also limited, and its Flow-rate adjustment interval is also fixing it is impossible to according to examination
Test requirement arbitrarily to transfer.
Therefore, the present invention attempts to float by the change according to test flow, according to its required maximum stream flow configuration one
Platform meets maximum stream flow requirement or several slightly smaller immersible pump combinations of flow meet maximum a little in view of economic and practical configuration
The requirement of flow, then by the automatic shunt water distribution design of apparatus of the present invention, the requirement according to necessary flow comes to larger
The water yield is accurately distributed automatically, and management is simple, and operating cost is low, promotes strong applicability.
The present invention in fact belongs to a kind of and determines head vertical water outflowing jet device.With regard to the Reynolds test of laminar flow and turbulent flow, and
Darcy's law assay device, is all to occur going out to flow device with regard to determining head earlier.And, in most of hydraulic experiments,
Capital appearance is determined head and is gone out to flow device, to meet the requirement of stability of flow in experimentation.Except for the difference that, the present invention is according to prior
The flow series setting, is accurately positioned to each outlet of device itself to meet the requirement of different tests flow.
Content of the invention
Present invention aim at: provide and a kind of required to excessive according to water flow for scientific experimentation or engineer applied
Carry out the device that discharge carries out multi-stage diffluence water distribution.Realized by following technical proposals:
A kind of determine head diversion water distributing device it is characterised in that: include a upper surface and there is the casing of opening, described casing
Inside it is provided with the cutoff board being classified as overflow chamber He going out flow chamber two parts space, described overflow interior is provided with and is classified as turbulence chamber
With the spoiler in stationary stream room two parts space, described cutoff board and the setting of spoiler equal vertical direction, the casing of described turbulence chamber
It is provided with the water inlet pipe being connected with water supply line, described spoiler is provided with densely covered flowing hole, described stationary stream room and go out flow chamber
Between cutoff board upper end cut out a groove, form overflow launder；The casing of described stationary stream room is provided with multiple differing heights
Isocon, described highest isocon height be less than overflow groove height, described go out flow chamber casing be provided with going out that water is discharged
Water pipe, described outlet pipe and isocon are equipped with cut-off equipment.
As improvement, described spoiler has two, and the flowing hole interlaced arrangement on described two spoilers is to increase reduction of speed
The effect of energy dissipating.
As improvement, on described spoiler, the aperture of flowing hole is less than water inlet bore, reduces water inlet pipe outlet stream straight
Tap into flow chamber in meditation, to increase the effect of spoiler reduction of speed energy dissipating.
As improvement, on described spoiler, the aperture of flowing hole is the 1/2-1/4 of water inlet bore, so that spoiler reduction of speed
The effect of energy dissipating is more preferable.
As improvement, described isocon has 2-8, and described outlet pipe has 2-4；Described cut-off equipment is to be arranged on casing
Rubber cork on inner side outlet pipe or isocon, realizes outlet pipe by open-and-shut mode and the quantity of isocon selects,
Come to realize out flow chamber water flow size select and stationary stream room determine head assignment of traffic.
As improvement, described water inlet pipe is provided with reducer union, and described outlet pipe is provided with extension tube attached, and described extension tube attached is used for
The superfluous water conductance going out flow chamber is entered appointed place, it is to avoid abandon water, saving and protection water resource.
As improvement, the draw ratio of described isocon is 3-4, the waterpower that water flows out through short tube and in Outlet Section full packages
Phenomenon, increases the water yield of single isocon.
As improvement, described overflow groove height is less than casing and spoiler height so that turbulence chamber and stationary stream room function are divided
Area is distinct, reduces turbulent flow indoor unstable water and stationary stream room is disturbed.
As improvement, described casing, cutoff board, spoiler, isocon and outlet pipe are all made using thermoplastic plastics,
The part that aforementioned all plastics are made adopts thermosol gelgun to assemble, and the antiseptic property of this device can be significantly greatly increased, and cost is just simultaneously
Preferably, easy to assembly quick, this device is light portable, suitable field work, has good practicality.
As improvement, described casing, cutoff board, spoiler, isocon and outlet pipe are all using rustless steel or aluminium alloy material
Material is made, and aforementioned all parts adopt stick welding gun to assemble, and is providing preferable antiseptic property simultaneously, is having the measuring body spy of drop resistant
Point, adapts to field work very well.
The invention has the beneficial effects as follows, the needs joined according to field test flow stage, select suitable overflow height and go out
Spout pipe diameter size can meet the function of the multistage regulation of low discharge, realizes the division that becomes more meticulous of corresponding test flow.Meanwhile,
By going out the reasonable connection of flow chamber outlet pipe pipeline, can avoid abandoning water, saving and protection water resource completely.The construction letter of this structure
Single, lightly compact, repair and maintenance is convenient.
Brief description
Fig. 1 is the southeast axonometric drawing of the present invention.
Fig. 2 is the top view of the present invention.
Fig. 3 is the front view of the present invention.
Fig. 4 is the right view of the present invention.
Fig. 5 is the front view of the internal cutoff board of the present invention.
Fig. 6 is the front view of spoiler.
In figure, 1- water inlet pipe, 2- spoiler, 3- flowing hole, 4- isocon, 5- cutoff board, 6- overflow launder, 7- outlet pipe,
8- rubber cork, 9- turbulence chamber, 10- stationary stream room, 11- goes out flow chamber.
Specific embodiment
Below, in conjunction with being embodied as case and accompanying drawing is further described to apparatus of the present invention.
With reference to shown in Fig. 1-Fig. 5, a kind of casing determined head diversion water distributing device, there is including a upper surface opening, institute
State and in casing, be provided with the cutoff board 5 being classified as overflow chamber and going out flow chamber 11 two parts space, described overflow interior is provided with it
It is divided into turbulence chamber 9 and the spoiler 2 in stationary stream room 10 two parts space, described cutoff board 5 and the setting of spoiler 2 equal vertical direction,
The casing of described turbulence chamber 9 is provided with the water inlet pipe 1 being connected with water supply line, and described spoiler 2 is provided with densely covered flowing hole
3, it is added to flow resistance power and enter the flow rate of water flow of this casing and its impulsive force brought to slow down, described stationary stream room 10 and go out flow chamber
Cutoff board 5 upper end between 11 cuts out a groove, forms overflow launder 6；The casing of described stationary stream room 10 is provided with multiple differences
The isocon 4 of height, described highest isocon 4 height is less than overflow launder 6 height, described go out flow chamber 11 casing be provided with by
The outlet pipe 7 that water is discharged, described outlet pipe 7 and isocon 4 are equipped with rubber cork 8.Described spoiler 2 has two, described
Flowing hole 3 interlaced arrangement on two spoilers 2 is to increase the effect of reduction of speed energy dissipating.The aperture of flowing hole 3 on described spoiler 2
Less than water inlet pipe 1 internal diameter, the aperture of preferred flowing hole 3 is the 1/2-1/4 of water inlet pipe 1 internal diameter.
Described overflow launder 6 height is determined head according to maximum stream flow requirement control and is gone out stream height determination.
Described outlet pipe 7 height is according to the different combination of different flow requirement setting height(from bottom).
Described isocon 4 has 2-8, and described outlet pipe 7 has 2-4, and the present embodiment isocon 4 has 4, near upper end
Isocon 4 distribution can not be in a vertical line, can interlaced arrangement.
Described water inlet pipe 1 is provided with reducer union, and described outlet pipe 7 is provided with extension tube attached, and described extension tube attached is used for going out stream
The superfluous water conductance of room 11 enters appointed place, it is to avoid abandon water, saving and protection water resource.
The draw ratio of described isocon 4 is 3-4.
Described overflow launder 6 height is less than casing and spoiler 2 height.
The flow of all isocons 4 is all to join requirement according to test flow level to predefine, and by overflow launder 6 height
Determine, exactly automatic shunt water distribution can be carried out to the excessive flow that comes, intervene or power drive without all other men's work.
Described casing, cutoff board 5, spoiler 2, isocon 4 and outlet pipe 7 are all using rustless steel, aluminum alloy materials or warm
The plastics of plasticity are made, and the part that aforementioned all plastics are made adopts stick welding gun assembling or thermosol gelgun assembling.
The internal diameter of all isocons 4 is all to be joined according to the flow stage of EXPERIMENTAL DESIGN, and coupling apparatus size is mainly height
Size and the feature of portability, are simultaneously taken account of the spacing of reserved certain each isocon 4, are obtained using vertical water outflowing jet formula backstepping
Arrive.
The determination of the cut height of overflow launder 6 is by the internal diameter of isocon 4 and maximum outflow or larger outflow (if sent out
Life is combined into the situation of stream) determine, incision site occurs in the range of stationary stream room 10, and cut height is than the height of whole device
Low.
Turbulence chamber 9 is separated by spoiler 2 and stationary stream room 10, and current are gently entered in meditation after the energy dissipating of turbulence chamber 9
Flow chamber 10 ensureing stablizing of stationary stream room 10 overflow height, is unlikely to that larger stationary stream room 10 overflow high because carrying out hydraulic impact
The fluctuation of degree.
According to maximum spillway discharge in the outlet pipe 7 going out to arrange suitable aperture and number in flow chamber 11 it is ensured that enough goes out stream
Ability can freely overflow across overflow launder 6 to guarantee the current in stationary stream room 10.
Outlet pipe 7 and water inlet pipe 1 are all passed through snap joint and are connected with outer water tube, install and convenient disassembly.
When external water source come discharge larger when, the big I in conjunction with outflow is carried out multigroup test simultaneously, is repeatedly shunted.
It is arranged on the isocon 4 of the steady flow of differing heights, require to open the isocon 4 of differing heights according to test flow
Make current enter trial zone in the form of vertical water outflowing jet, outlet pipe 7 connect exterior line by unnecessary go out conductance enter other trial zones
Or directly return water source, using water wisely.
Convenient for considering economy and application, all mouths of pipe all control its keying with the rubber cork 8 of corresponding pore size.
This casing making material can be full pvc sheet material matter, is assembled by corresponding stick welding gun and thermosol gelgun；Also may be used
It is all steel or aluminum alloy materials making.In a word, combine field test feature when choosing making material, consider that emphatically it is light
Just property, sealing and anti-corrosive properties.
The know-why of this invention casing is the vertical water outflowing jet in hydraulics.So-called vertical water outflowing jet refers in container pit aperture
Upper connect a length of 3-4 times of aperture short tube, water through short tube and Outlet Section full packages flow out hydraulic phenomenon.Tube nozzle outlet stream
Fast computing formula such as formula (1):
Flow-nozzle metre calculation formula such as formula (2):
Wherein,For efflux coefficient；μnFor discharge coefficient；ε is constriction coefficient；G is acceleration of gravity, 9.8m/s2；A is pipe
Nozzle aperture mouth cross-sectional area, m2；h0For acting head, m.In vertical water outflowing jet, efflux coefficientBecause exporting ungauged regions,
Cylindrical outer tube mouth occurs in that vacuum at necked-down section, and its vacuum is 0.75h0.This is equivalent to ozzle
Acting head increases 75%, here it is the cylindrical outer tube mouth under same diameter, identical acting head goes out to flow flow-rate ratio aperture
Go out flow big the reason.In addition, the condition for vertical water outflowing jet has certain restriction, its normal running conditions be it is contemplated that
Water body vacuum gasifying limit its acting head h0Should be less than equal to 9m it is contemplated that ozzle vacuum Conditions and along Cheng Shuitou damage
Lose the internal orifice dimension of generally 3-4 times of its outer ozzle length.
This invention casing is cube cavity body structure, is provided with differing heights and adopts vertical water outflowing jet former on its outside leading flank
The isocon 4 of reason, pacifies in a certain side lower around taking right flank (to go out to flow direction as positive direction towards isocon 4) as a example
Equipped with water inlet pipe 1, face bottom is provided with outlet pipe 7 to the left, and side can select to install water outlet according to practical situation behind
Pipe 7.This invention box house is divided into overflow chamber by cutoff board 5 and goes out flow chamber 11, is provided with spoiler 2 at overflow interior water inlet,
Overflow chamber can be further divided into turbulence chamber 9 and stationary stream room 10 by the setting according to spoiler 2.
Described water inlet pipe 1 is the hard short tube connecting outside water supply hose, and its material hard must be beneficial to external hose
With being fastenedly connected of its, compatible with the material behavior of whole casing agent structure must be beneficial to weldering knot simultaneously or cementing guarantee is whole
Body and sealing.The outside dimension of described water inlet pipe 1 should identical with the internal diameter of outside water receiving pipe to connect, also can enter
Reducer union is installed on water pipe 1 to connect the outside water receiving pipe of different inner diameters size.
Described spoiler 2 is the hard material of the uniform small-bore densely covered flowing hole 3 in surface, and flow impact resistant, with overflow chamber
Each face material compatible, contact links firmly, typically can arrange two-layer spoiler 2, and on two boards, flowing hole 3 arrangement that is staggered is beneficial to
Reduce flow velocity and reduce water impact.
Described cutoff board 5 is the controlling structure of whole casing, and the setting of its overflow launder 6 height determines going out of this casing
Stream ability and range of accommodation.Overflow launder 6 height on cutoff board 5 be according to actual tests need maximum outflow, whole case
The suitable size of body and isocon 4 internal diameter size, are calculated using above-mentioned vertical water outflowing jet formula.Its incision site only limits
In the range of stationary stream room 10, do not carry out otch in the range of turbulence chamber 9, cutoff board 5 height at turbulence chamber 9 and casing surrounding body
The height of cavity body structure is identical.
In the bottom going out flow chamber 11, the enough outlet pipes 7 of outflow capacity, water outlet are installed according to the maximum spillway discharge of overflow chamber
Pipe 7 picks out stream flexible pipe, by unnecessary go out stream import at test water source or next test site, reduce and even prevent to abandon
Water, saves the water yield, water conservation.
Under conditions of the maximum outflow of test requirements document is joined necessarily with shunting level, the selection of the internal diameter of isocon 4 determines
The height dimension of whole casing.Isocon 4 setting height(from bottom) is calculated using above-mentioned formula according to its internal diameter and outflow size
Arrive, the isocon 4 being closer to for setting height(from bottom) is staggered arrangement.When single isocon 4 goes out stream and cannot meet traffic requirement, lead to
The stream that is combined into crossing isocon 4 meets requirement.
Rubber cork 8 envelope of correspondingly-sized is all used with all isocons 4 going out in flow chamber 11 and outlet pipe 7 in stationary stream room 10
Mouthful, according to different tests traffic requirement, open the rubber cork 8 of corresponding outlet pipe 7.
The workflow of the present invention:
1. according to test requirements document, open the rubber cork 8 of corresponding flow point flow tube 4.
2. external fluid delivery conduit is connected with the water inlet pipe 1 of this casing turbulence chamber 9, and is fixed by facilities such as cranses.Open
Open external water source switch, outer water enters turbulence chamber 9 through water inlet pipe 1, through the laggard flow chamber 10 in meditation of spoiler 2 energy dissipating.
3. the depth of water in stationary stream room 10 improves constantly, and the isocon 4 of unlatching starts water outlet, and the continuous improvement with head
Isocon 4 outflow continues to increase.When the depth of water in stationary stream room 10 rises to predetermined overflow height, unnecessary current are automatic
Overflow across overflow launder 6 and enter out flow chamber 11.
4., according to overflow interior spillway discharge size, accordingly open out the outlet pipe 7 of flow chamber 11, unnecessary to ensure overflow interior
The water yield can freely overflow across overflow launder 6 it is ensured that in stationary stream room 10 water level constant.
5. outlet pipe 7 is connected with outside aqueduct, unnecessary outflow is imported preset location.
6., after battery of tests is finished, this device is moved on to next testing site or the unlatching volume only changing isocon 4
Number, repeat the above steps 1- step 5 can carry out test next time.
7. after off-test, close external water source, after water remaining in this device box clears, disconnect water inlet pipe 1 and water outlet
The connection of pipe 7 and outer water tube is to facilitate maintenance.
The foregoing is only the preferable case study on implementation of the present invention, not in order to limit the present invention.Every in the present invention
Spirit and principle within any modification, equivalent and improvement of being made etc., should be included in protection scope of the present invention it
Interior.
Claims (10)
1. a kind of determine head diversion water distributing device it is characterised in that: include a upper surface and there is the casing of opening, in described casing
Be provided with the cutoff board being classified as overflow chamber He going out flow chamber two parts space, described overflow interior be provided be classified as turbulence chamber and
The spoiler in stationary stream room two parts space, described cutoff board and the setting of spoiler equal vertical direction, on the casing of described turbulence chamber
Be provided with the water inlet pipe being connected with water supply line, described spoiler is provided with densely covered flowing hole, described stationary stream room and go out flow chamber it
Between cutoff board upper end cut out a groove, form overflow launder；The casing of described stationary stream room is provided with dividing of multiple differing heights
Flow tube, described highest isocon height be less than overflow groove height, described go out flow chamber casing be provided with the water outlet that water is discharged
Pipe, described outlet pipe and isocon are equipped with cut-off equipment.
2. according to claim 1 a kind of determine head diversion water distributing device it is characterised in that: described spoiler has two, institute
State flowing hole interlaced arrangement on the two spoilers effect to increase reduction of speed energy dissipating.
3. according to claim 2 a kind of determine head diversion water distributing device it is characterised in that: flowing hole on described spoiler
Aperture is less than water inlet bore.
4. according to claim 3 a kind of determine head diversion water distributing device it is characterised in that: flowing hole on described spoiler
Aperture is the 1/2-1/4 of water inlet bore.
5. according to claim 2 a kind of determine head diversion water distributing device it is characterised in that: described isocon has 2-8, institute
Stating outlet pipe has 2-4；Described cut-off equipment is the rubber cork being arranged on box inside outlet pipe or isocon.
6. according to claim 2 a kind of determine head diversion water distributing device it is characterised in that: described water inlet pipe is provided with reducing
Joint, described outlet pipe is provided with extension tube attached, and described extension tube attached is used for for the superfluous water conductance going out flow chamber entering appointed place, it is to avoid abandon
Water, saving and protection water resource.
7. according to claim 2 a kind of determine head diversion water distributing device it is characterised in that: the draw ratio of described isocon is
3-4.
8. according to claim 2 a kind of determine head diversion water distributing device it is characterised in that: described overflow groove height be less than case
Body and spoiler height.
9. according to claim 1 to 8 any one a kind of determine head diversion water distributing device it is characterised in that: described casing,
Cutoff board, spoiler, isocon and outlet pipe are all made using thermoplastic plastics, and the part that aforementioned all plastics are made adopts
Thermosol gelgun assembles.
10. according to claim 1 to 8 any one a kind of determine head diversion water distributing device it is characterised in that: described case
Body, cutoff board, spoiler, isocon and outlet pipe are all made using rustless steel or aluminum alloy materials, and aforementioned all parts adopt
Stick welding gun assembles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610667822.4A CN106351170B (en) | 2016-08-15 | 2016-08-15 | It is a kind of to determine head diversion water distributing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610667822.4A CN106351170B (en) | 2016-08-15 | 2016-08-15 | It is a kind of to determine head diversion water distributing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106351170A true CN106351170A (en) | 2017-01-25 |
| CN106351170B CN106351170B (en) | 2018-03-27 |
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ID=57844049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610667822.4A Active CN106351170B (en) | 2016-08-15 | 2016-08-15 | It is a kind of to determine head diversion water distributing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107338769A (en) * | 2017-07-05 | 2017-11-10 | 中铁十局集团第五工程有限公司 | Construction method and split-flow baffles bin device based on split-flow baffles storehouse |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3769803A (en) * | 1972-02-23 | 1973-11-06 | Phillips Petroleum Co | Submerged storage vessel |
| CN201489709U (en) * | 2009-07-15 | 2010-05-26 | 西北农林科技大学 | Orifice pipe mouth effluent teaching experimental apparatus with changeable water head |
| CN104748801A (en) * | 2015-03-31 | 2015-07-01 | 浙江大学 | Water tank outflow volume measurement device |
-
2016
- 2016-08-15 CN CN201610667822.4A patent/CN106351170B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3769803A (en) * | 1972-02-23 | 1973-11-06 | Phillips Petroleum Co | Submerged storage vessel |
| CN201489709U (en) * | 2009-07-15 | 2010-05-26 | 西北农林科技大学 | Orifice pipe mouth effluent teaching experimental apparatus with changeable water head |
| CN104748801A (en) * | 2015-03-31 | 2015-07-01 | 浙江大学 | Water tank outflow volume measurement device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107338769A (en) * | 2017-07-05 | 2017-11-10 | 中铁十局集团第五工程有限公司 | Construction method and split-flow baffles bin device based on split-flow baffles storehouse |
| CN107338769B (en) * | 2017-07-05 | 2019-02-19 | 中铁十局集团第五工程有限公司 | Construction method and split-flow baffles bin device based on split-flow baffles storehouse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106351170B (en) | 2018-03-27 |
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