CN107639034A - A kind of efficiently sandstone screening water cycle utilization device - Google Patents
A kind of efficiently sandstone screening water cycle utilization device Download PDFInfo
- Publication number
- CN107639034A CN107639034A CN201710889035.9A CN201710889035A CN107639034A CN 107639034 A CN107639034 A CN 107639034A CN 201710889035 A CN201710889035 A CN 201710889035A CN 107639034 A CN107639034 A CN 107639034A
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- China
- Prior art keywords
- sieve plate
- casing
- rotating shaft
- sandstone
- plate
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Abstract
The invention discloses a kind of efficiently sandstone screening water cycle utilization device,Including feed pipe,Grid,Liquid level gauge,Casing,Water inlet pipe,Flowmeter,Shower nozzle,Rotating shaft,Camera,Timer,Impeller,Sieve plate,Vibrator,Coarse sand discharge pipe,Fine sand discharge pipe and return duct,Described casing top is provided with feed pipe,Feed pipe is tilted to be provided with grid,Casing connects with water inlet pipe,The water inlet pipe port of export is provided with shower nozzle,Rotating shaft is provided with casing,Impeller is installed in rotating shaft,Rotating shaft is connected with external motor,Casing is tilted to be provided with sieve plate,Sieve plate lower surface is provided with vibrator,Sieve plate upper surface is provided with fricting strip,Sieve plate includes the first sieve plate and the second sieve plate,Agitating shaft is provided between first sieve plate and the second sieve plate,Agitating shaft is provided with multigroup impeller of different sizes,Casing bottom is connected with return duct one end,The return duct other end connects with water inlet pipe.The present invention screens to sandstone, improves operating efficiency, time saving and energy saving, simple in construction, easy to use, beneficial to popularization.
Description
Technical field
The present invention relates to a kind of flusher, specifically a kind of efficiently sandstone screening water cycle utilization device.
Background technology
Sandstone is because of its good hardness and stable chemical property, often as high-quality construction material, concrete material
And it is widely used in the fields such as house, road, highway, railway, engineering.Requirement and high-tech with infrastructure construction technology
Development, have higher requirement to the quality and quantity of sandstone.Sandstone category loose material, but the general hardness of its particle is larger,
And under ground surface environment, chemical property is stable.For sandstone, its weatherability is general relatively strong, particularly by silication
Quartzy sandstone, its hardness exceedes granite.Sandstone is the basic material in national economic development, be mainly used in foundation engineering,
Concrete, mortar and corresponding product, it is building, highway, railway, bridge, municipal works, hydraulic engineering, hydroelectric project, nuclear power station
The infrastructure constructions such as engineering, airport, harbour not only indispensable but also irreplaceable aggregate materials.At present should in engineering construction
Dosage maximum, it is most widely cement concrete, next to that bituminous concrete, polymer concrete dosage is less.Concrete is
A kind of composite, sandstone are one of key component materials that wherein ratio is maximum.In concrete structure, sandstone mainly plays bone
Frame acts on, the volume of stabilizing concrete, transmits stress, while suppresses to shrink, and prevents from ftractureing.Played in building and infrastructure
Extremely important effect, it may be said that without sandstone, just there is no concrete, also just there is no concrete construction and foundation engineering.It is right
Various sizes of sandstone has the function that different, and existing sandstone screening operating efficiency is low, it is difficult to meets increasingly bustling life
Produce needs living.
The content of the invention
It is an object of the invention to provide a kind of efficiently sandstone screening water cycle utilization device, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme：
A kind of efficiently sandstone screening water cycle utilization device, including feed pipe, grid, liquid level gauge, casing, water inlet pipe, stream
Gauge, shower nozzle, rotating shaft, camera, timer, impeller, sieve plate, vibrator, coarse sand discharge pipe, fine sand discharge pipe and return duct,
Described casing top is provided with feed pipe, and feed pipe is tilted to be provided with grid, and grid least significant end is provided with impurity exhaust conduit, in casing
Portion's side wall and material shaking plate side hinge, material shaking plate opposite side lower section are provided with cam, and casing is provided with liquid level gauge, casing and water inlet pipe
Connection, the water inlet pipe port of export are provided with shower nozzle, flowmeter are installed on water inlet pipe, and casing top inwall is provided with camera, set on casing
There is timer, be provided with rotating shaft in casing, impeller is installed in rotating shaft, rotating shaft is connected with external motor, and rotating shaft, rotating shaft are provided with casing
Upper installation impeller, rotating shaft are connected with external motor, and the frustum of a cone is cased with rotating shaft, and impeller bottom surface is uniformly provided with hairbrush, casing introversion
Sieve plate is tiltedly provided with, sieve plate lower surface is provided with vibrator, and sieve plate upper surface is provided with fricting strip, and sieve plate includes the first sieve plate and the second sieve
Plate, the first sieve plate least significant end are provided with coarse sand discharge pipe, and the second sieve plate least significant end is provided with fine sand discharge pipe, the first sieve plate and the second sieve
Agitating shaft is provided between plate, agitating shaft is provided with multigroup impeller of different sizes, and casing is tilted to be provided with guide plate, and guide plate is arranged on
Below second sieve plate, casing bottom is provided with dividing plate, and casing bottom is provided with silt outlet, and tank floor is provided with guide wheel, casing bottom
End is connected with return duct one end, and the return duct other end connects with water inlet pipe, and return duct is provided with water pump.
As the further scheme of the present invention：Described camera is connected with external display device.
As the further scheme of the present invention：Described material shaking plate is arranged on immediately below feed pipe.
As the further scheme of the present invention：It is stupefied that described material shaking plate upper surface is uniformly provided with fold-line-shaped deceleration.
As further scheme of the invention：The first described sieve plate and the second sieve plate and casing active link.
As further scheme of the invention：The first described sieve plate least significant end is arranged on together with the second sieve plate most significant end
Side.
As further scheme of the invention：Described guide wheel is provided with parking brake.
Compared with prior art, the beneficial effects of the invention are as follows：Raw sand of the present invention enters from feed pipe, passes through grid
The magazines such as branch therein fallen leaves are removed, discharged from impurity exhaust conduit, input water by water inlet pipe and shower nozzle is carried out to sandstone
Rinse, cmf record enters water, situation about being clearly seen that by camera in casing, convenient regulation in time, by convex
Wheel, which rotates, drives the shake of material shaking plate, reduces the speed that sandstone enters, avoids the excessive damage device of impulsive force of sandstone, influence to use
Life-span, the stupefied speed for slowing down landing of fold-line-shaped deceleration, the frustum of a cone slow down the impact of sandstone countershaft, improve the stability of stirring,
Facilitate sandstone to be fallen in all directions simultaneously, avoid it from being packed together local influence screening, hairbrush is being rotated to sandstone surface
Cleaned, avoid the soil on sandstone surface from influenceing the quality of sandstone, timer record screening time, agitating shaft aids in sandstone
Screening, efficiency is improved, by the stirring of motor driven rotating shaft, agitating shaft and impeller, accelerated in screening, the first sieve plate and second
Sieve plate is moved back and forth up and down in the presence of vibrator, and sandstone is rinsed, and improves operating efficiency, and guide wheel facilitates device
Mobile, time saving and energy saving, the water for rinsing sandstone is reused after bottom half precipitation by return duct and water pump, and the water of filtering leads to
Cross guide plate to slide, avoid the water for impacting casing bottom from influenceing precipitation, precipitated by the water that guide plate slides in dividing plate side, when water overflows
Discharged after crossing dividing plate, convenient circulation, reduce silt and enter pipeline, silt outlet facilitates sediment deposition to discharge, and avoids resource unrestrained
Take, saving water resource is simple in construction, easy to use, beneficial to popularization.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of efficiently sandstone screens water cycle utilization device.
Fig. 2 is the structural representation that a kind of efficiently sandstone screens sieve plate in water cycle utilization device.
Fig. 3 is the structural representation that a kind of efficiently sandstone screens sieve plate in water cycle utilization device.
Fig. 4 is the connection diagram that a kind of efficiently sandstone screens sieve plate in water cycle utilization device.
In figure：1st, feed pipe, 2, grid, 3, impurity exhaust conduit, 4, liquid level gauge, 5, casing, 6, water inlet pipe, 7, flowmeter,
8th, shower nozzle, 9, rotating shaft, 10, camera, 11, timer, 12, impeller, the 13, first sieve plate, 14, vibrator, 15, coarse sand discharge
Pipe, 16, fine sand discharge pipe, the 17, second sieve plate, 18, guide wheel, 19, fricting strip, 20, agitating shaft, 21, return duct, 22, water pump,
23rd, cam, 24, material shaking plate, 25, hairbrush, 26, silt outlet, 27, slow down it is stupefied, 28, the frustum of a cone, 29, guide plate, 30, dividing plate.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Refer to Fig. 1-4, a kind of efficiently sandstone screening water cycle utilization device, including feed pipe 1, grid 2, liquid level gauge 4,
Casing 5, water inlet pipe 6, flowmeter 7, shower nozzle 8, rotating shaft 9, camera 10, timer 11, impeller 12, sieve plate, vibrator 14, coarse sand
Discharge pipe 15, fine sand discharge pipe 16 and return duct 21, the described top of casing 5 are provided with feed pipe 1, and feed pipe 1 is tilted to be provided with
Grid 2, the least significant end of grid 2 are provided with impurity exhaust conduit 3, and raw sand enters from feed pipe 1, by grid 2 by branch therein
The magazines such as fallen leaves are removed, and are discharged from impurity exhaust conduit 3, and the internal side wall of casing 5 and the side hinge of material shaking plate 24, material shaking plate 24 are set
Immediately below feed pipe 1, the upper surface of material shaking plate 24 is uniformly provided with fold-line-shaped deceleration stupefied 27, is provided with below the opposite side of material shaking plate 24 convex
Wheel 23, rotated by cam 23 and drive material shaking plate 24 to shake, reduce the speed that sandstone enters, avoid the excessive damage of impulsive force of sandstone
Bad device, service life is influenceed, fold-line-shaped deceleration stupefied 27 slows down the speed of landing, and casing 5 is provided with liquid level gauge 4, and casing 5 is with entering
Water pipe 6 connects, and the port of export of water inlet pipe 6 is provided with shower nozzle 8, installs flowmeter 7 on water inlet pipe 6, is inputted by water inlet pipe 6 and shower nozzle 8
Water is rinsed to sandstone, and the record of flowmeter 7 enters water, and the top inwall of casing 5 is provided with camera 10, camera 10 and outside
Display device connects, and is clearly seen that the situation in casing 5 by camera 10, convenient regulation, casing 5 in time are provided with timing
Device 11, timer 11 record screening time, and rotating shaft 9 is provided with casing 5, impeller 12, rotating shaft 9 and external motor are installed in rotating shaft 9
Connect, be cased with the frustum of a cone 28 in rotating shaft 9, the bottom surface of impeller 12 is uniformly provided with hairbrush 25, and the frustum of a cone 28 slows down rushing for sandstone countershaft
Hit, improve the stability of stirring, while facilitate sandstone to be fallen in all directions, avoid it from being packed together local influence screening,
Hairbrush 25 cleans in rotation to sandstone surface, avoids the soil on sandstone surface from influenceing the quality of sandstone, casing 5 is tilted to be set
There is sieve plate, sieve plate lower surface is provided with vibrator 14, and sieve plate is flexibly connected with wall box, and sieve plate upper surface is provided with fricting strip 19,
Sieve plate includes the first sieve plate 13 and the second sieve plate 17, the first sieve plate 13 and the second sieve plate 17 and the active link of casing 5, the first sieve plate
13 least significant ends are provided with coarse sand discharge pipe 15, and the least significant end of the second sieve plate 17 is provided with fine sand discharge pipe 16, the least significant end of the first sieve plate 13 with
The most significant end of second sieve plate 17 is arranged on the same side, and agitating shaft 20, agitating shaft 20 are provided between the first sieve plate 13 and the second sieve plate 17
Be provided with multigroup impeller 12 of different sizes, agitating shaft 20 aids in the screening of sandstone, improves efficiency, by motor driven rotating shaft 9,
The stirring of agitating shaft 20 and impeller 12, accelerate in screening, the first sieve plate 13 and the second sieve plate 17 are in the presence of vibrator 14
Move back and forth up and down, sandstone is rinsed, improve operating efficiency, casing 5 is tilted to be provided with guide plate 29, and guide plate 29 is set
Below the second sieve plate 17, the bottom of casing 5 is provided with dividing plate 30, and the water of filtering is slided by guide plate 29, avoids impacting the bottom of casing 5
Water influence precipitation, by the water that guide plate 29 slides the side of dividing plate 30 precipitate, discharge after water covers dividing plate 30, conveniently follow
Ring, reduce silt and enter pipeline, the bottom of casing 5 is provided with silt outlet 26, and silt outlet 26 facilitates sediment deposition to discharge, case
The bottom surface of body 5 is provided with guide wheel 18, and guide wheel 18 is provided with parking brake, and guide wheel 18 facilitates device to move, time saving and energy saving, and the bottom of casing 5 is with returning
The one end of flow tube 21 connects, and the return duct other end connects with water inlet pipe 6, and return duct 21 is provided with water pump 22, and the water for rinsing sandstone exists
Reused after the bottom precipitation of casing 5 by return duct 21 and water pump 22, avoid the wasting of resources, saving water resource.
The present invention operation principle be：Raw sand of the present invention enters from feed pipe, is fallen branch therein by grid
The magazines such as leaf remove, and are discharged from impurity exhaust conduit, and input water by water inlet pipe and shower nozzle is rinsed to sandstone, cmf record
Into water, situation about being clearly seen that by camera in casing, convenient regulation in time, material shaking plate is driven by cam rotation
Shake, the speed that sandstone enters is reduced, avoid the excessive damage device of impulsive force of sandstone, influence service life, fold-line-shaped slows down
The stupefied speed for slowing down landing, the frustum of a cone slow down the impact of sandstone countershaft, improve the stability of stirring, while facilitate sandstone each
Individual direction is fallen, and avoids it from being packed together local influence screening, and hairbrush cleans in rotation to sandstone surface, avoids sandstone
The soil on surface influences the quality of sandstone, timer record screening time, and agitating shaft aids in the screening of sandstone, improves efficiency, leads to
Cross the stirring of motor driven rotating shaft, agitating shaft and impeller, accelerate in screening, the work of the first sieve plate and the second sieve plate in vibrator
Moved back and forth up and down with lower, sandstone is rinsed, improves operating efficiency, guide wheel facilitates device to move, time saving and energy saving, punching
The water of washed-out sand stone is reused after bottom half precipitation by return duct and water pump, and the water of filtering is slided by guide plate, is avoided
Impacting the water of casing bottom influences precipitation, is precipitated, is discharged after water covers dividing plate, side in dividing plate side by the water that guide plate slides
Just circulate, reduce silt and enter pipeline, silt outlet facilitates sediment deposition to discharge, and avoids the wasting of resources, saving water resource.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from one skilled in the relevant art's possessed knowledge
Make a variety of changes.
Claims (7)
1. a kind of efficiently sandstone screening water cycle utilization device, including feed pipe, grid, liquid level gauge, casing, water inlet pipe, flow
Meter, shower nozzle, rotating shaft, camera, timer, impeller, sieve plate, vibrator, coarse sand discharge pipe, fine sand discharge pipe and return duct, its
It is characterised by, described casing top is provided with feed pipe, and feed pipe is tilted to be provided with grid, and grid least significant end is discharged provided with impurity
Pipe, box house side wall and material shaking plate side hinge, material shaking plate opposite side lower section are provided with cam, and casing is provided with liquid level gauge, case
Body is connected with water inlet pipe, and the water inlet pipe port of export is provided with shower nozzle, and flowmeter is installed on water inlet pipe, and casing top inwall is provided with shooting
Head, casing are provided with timer, are provided with rotating shaft in casing, install impeller in rotating shaft, rotating shaft is connected with external motor, is set in casing
There is rotating shaft, impeller is installed in rotating shaft, rotating shaft is connected with external motor, and the frustum of a cone is cased with rotating shaft, and impeller bottom surface is uniformly provided with hair
Brush, casing is tilted to be provided with sieve plate, and sieve plate lower surface is provided with vibrator, and sieve plate upper surface is provided with fricting strip, and sieve plate includes first
Sieve plate and the second sieve plate, the first sieve plate least significant end are provided with coarse sand discharge pipe, and the second sieve plate least significant end is provided with fine sand discharge pipe, and first
Agitating shaft is provided between sieve plate and the second sieve plate, agitating shaft is provided with multigroup impeller of different sizes, and tilted be provided with of casing is led
Plate, guide plate are arranged on below the second sieve plate, and casing bottom is provided with dividing plate, and casing bottom is provided with silt outlet, and tank floor is set
There is guide wheel, casing bottom is connected with return duct one end, and the return duct other end connects with water inlet pipe, and return duct is provided with water pump.
A kind of 2. efficiently sandstone screening water cycle utilization device according to claim 1, it is characterised in that described shooting
Head is connected with external display device.
A kind of 3. efficiently sandstone screening water cycle utilization device according to claim 1, it is characterised in that described material shaking
Plate is arranged on immediately below feed pipe.
A kind of 4. efficiently sandstone screening water cycle utilization device according to claim 1, it is characterised in that described material shaking
It is stupefied that plate upper surface is uniformly provided with fold-line-shaped deceleration.
A kind of 5. efficiently sandstone screening water cycle utilization device according to claim 1, it is characterised in that described first
Sieve plate and the second sieve plate and casing active link.
A kind of 6. efficiently sandstone screening water cycle utilization device according to claim 1, it is characterised in that described first
Sieve plate least significant end is arranged on the same side with the second sieve plate most significant end.
A kind of 7. efficiently sandstone screening water cycle utilization device according to claim 1, it is characterised in that described guide wheel
It is provided with parking brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889035.9A CN107639034A (en) | 2017-09-27 | 2017-09-27 | A kind of efficiently sandstone screening water cycle utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889035.9A CN107639034A (en) | 2017-09-27 | 2017-09-27 | A kind of efficiently sandstone screening water cycle utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107639034A true CN107639034A (en) | 2018-01-30 |
Family
ID=61114086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710889035.9A Withdrawn CN107639034A (en) | 2017-09-27 | 2017-09-27 | A kind of efficiently sandstone screening water cycle utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107639034A (en) |
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| CN108477655A (en) * | 2018-05-18 | 2018-09-04 | 德阳野山调味品厂 | Full automatic chick precision moulding machine |
| CN108480188A (en) * | 2018-04-02 | 2018-09-04 | 宁夏中科天际防雷研究院有限公司 | A kind of building sandstone screening plant |
| CN108687020A (en) * | 2018-05-10 | 2018-10-23 | 北京艺轩吉装饰工程有限公司 | A kind of architectural engineering sandstone flusher |
| CN109127392A (en) * | 2018-06-28 | 2019-01-04 | 陈琦 | A kind of safety building sandstone classified screening device |
| CN109174391A (en) * | 2018-07-04 | 2019-01-11 | 赵少林 | It is a kind of environmental protection agricultural stalk fertilizer remove sandstone device |
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| CN110152866A (en) * | 2018-03-02 | 2019-08-23 | 淄博名堂教育科技有限公司 | A kind of efficient municipal construction sandstone screening installation |
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| CN110152777A (en) * | 2018-03-02 | 2019-08-23 | 淄博名堂教育科技有限公司 | A kind of efficient municipal construction sandstone cleaning, drying equipment |
| CN110154234A (en) * | 2018-04-18 | 2019-08-23 | 南京海晨霞工程科技有限公司 | A kind of municipal construction civil engineering raw material multilayer screening agitating device |
| CN110152776A (en) * | 2018-03-02 | 2019-08-23 | 淄博名堂教育科技有限公司 | A kind of efficient municipal construction sandstone stirring and washing equipment |
| CN110154236A (en) * | 2018-04-18 | 2019-08-23 | 南京海晨霞工程科技有限公司 | A kind of safe civil engineering raw material blending device of municipal construction |
| CN110355152A (en) * | 2019-06-17 | 2019-10-22 | 桐乡市钟大建材有限公司 | A kind of sandstone cleaning device for concrete processing |
| CN110586237A (en) * | 2019-09-26 | 2019-12-20 | 沛县宝业建筑工业化有限公司 | Broken screening all-in-one of concrete stone material |
| CN110694326A (en) * | 2019-09-23 | 2020-01-17 | 西安建工建科混凝土有限公司 | Concrete waste recycling system |
| CN112044841A (en) * | 2020-07-22 | 2020-12-08 | 林志鹏 | Highway engineering road bed road surface construction is with novel stone desilt device |
| CN112919139A (en) * | 2021-01-18 | 2021-06-08 | 江西齐劲材料有限公司 | Direct-plow type powder block separator |
| CN113649261A (en) * | 2021-07-30 | 2021-11-16 | 杨世伟 | Water-saving industrial screening system |
| CN114887969A (en) * | 2022-05-10 | 2022-08-12 | 云南交投集团云岭建设有限公司 | Highway bridge construction is with high-efficient automatic stone desilting device |
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| CN110152776A (en) * | 2018-03-02 | 2019-08-23 | 淄博名堂教育科技有限公司 | A kind of efficient municipal construction sandstone stirring and washing equipment |
| CN110152866A (en) * | 2018-03-02 | 2019-08-23 | 淄博名堂教育科技有限公司 | A kind of efficient municipal construction sandstone screening installation |
| CN110152777A (en) * | 2018-03-02 | 2019-08-23 | 淄博名堂教育科技有限公司 | A kind of efficient municipal construction sandstone cleaning, drying equipment |
| CN110152779A (en) * | 2018-03-30 | 2019-08-23 | 苏州晨霞美合智能科技有限公司 | A kind of new material efficiency crushing cleaning equipment |
| CN108480188A (en) * | 2018-04-02 | 2018-09-04 | 宁夏中科天际防雷研究院有限公司 | A kind of building sandstone screening plant |
| CN110154236A (en) * | 2018-04-18 | 2019-08-23 | 南京海晨霞工程科技有限公司 | A kind of safe civil engineering raw material blending device of municipal construction |
| CN110154234A (en) * | 2018-04-18 | 2019-08-23 | 南京海晨霞工程科技有限公司 | A kind of municipal construction civil engineering raw material multilayer screening agitating device |
| CN108379925A (en) * | 2018-05-03 | 2018-08-10 | 李静娴 | A kind of non-ferro metals debris reclaimer |
| CN108687020A (en) * | 2018-05-10 | 2018-10-23 | 北京艺轩吉装饰工程有限公司 | A kind of architectural engineering sandstone flusher |
| CN108477655A (en) * | 2018-05-18 | 2018-09-04 | 德阳野山调味品厂 | Full automatic chick precision moulding machine |
| CN109127392A (en) * | 2018-06-28 | 2019-01-04 | 陈琦 | A kind of safety building sandstone classified screening device |
| CN109174391A (en) * | 2018-07-04 | 2019-01-11 | 赵少林 | It is a kind of environmental protection agricultural stalk fertilizer remove sandstone device |
| CN109731191A (en) * | 2018-12-28 | 2019-05-10 | 苏州雾联医疗科技有限公司 | A kind of atomizing particle size screening washer |
| CN110355152A (en) * | 2019-06-17 | 2019-10-22 | 桐乡市钟大建材有限公司 | A kind of sandstone cleaning device for concrete processing |
| CN110694326A (en) * | 2019-09-23 | 2020-01-17 | 西安建工建科混凝土有限公司 | Concrete waste recycling system |
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| CN112044841A (en) * | 2020-07-22 | 2020-12-08 | 林志鹏 | Highway engineering road bed road surface construction is with novel stone desilt device |
| CN112044841B (en) * | 2020-07-22 | 2022-08-09 | 林志鹏 | Highway engineering road bed road surface construction is with novel stone desilt device |
| CN112919139A (en) * | 2021-01-18 | 2021-06-08 | 江西齐劲材料有限公司 | Direct-plow type powder block separator |
| CN113649261A (en) * | 2021-07-30 | 2021-11-16 | 杨世伟 | Water-saving industrial screening system |
| CN113649261B (en) * | 2021-07-30 | 2022-12-06 | 山西龙成玛钢有限公司 | Water-saving industrial screening system |
| CN114887969A (en) * | 2022-05-10 | 2022-08-12 | 云南交投集团云岭建设有限公司 | Highway bridge construction is with high-efficient automatic stone desilting device |
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