CN106044262A - Method for conveying powered or granulated material - Google Patents
Method for conveying powered or granulated material Download PDFInfo
- Publication number
- CN106044262A CN106044262A CN201610682769.5A CN201610682769A CN106044262A CN 106044262 A CN106044262 A CN 106044262A CN 201610682769 A CN201610682769 A CN 201610682769A CN 106044262 A CN106044262 A CN 106044262A
- Authority
- CN
- China
- Prior art keywords
- powdery
- lining bag
- granular material
- discharging
- flexible lining
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
Abstract
The invention relates to the field of conveying and discharging of powdered or granulated materials, in particular to a method for conveying a powered or granulated material. To improve conveying efficiency and reduce conveying cost, the invention provides a method for conveying a powdered or granulated material, comprising: setting a feeding device at a feed port of a conveyer comprising a container and a flexible lining bag disposed in the container; connecting a feeding pipe of the feeding device to the feed port, and communicating a feeding fan with the feeding pipe through an air intake pipe; charging material to be conveyed into the feed end of the feeding pipe, starting the feeding fan, and removing the feeding device and moving to a destination after a filling quantity meets the conveying or filling requirement; connecting a suction pipe of a discharging device with a discharge port of the conveyer, starting a powder pump to suck out material in the flexible lining bag, and starting a discharging fan to inflate the flexible lining bag until discharging is complete. The method for conveying the powdered or granulated material is high in charging and discharging speed, low in time consumption, high in efficiency and low in conveying cost.
Description
Technical field
The present invention relates to the transport field of powdery or granular material, particularly relate to a kind of transport powdery or granular material
Method.
Background technology
At present, when powdery or granular material are transported, it is mostly to use pouch transport, needs substantial amounts of manpower to become
This, the handling consuming time is long, and cost of transportation is high.
Summary of the invention
For improving powdery or the conevying efficiency of granular material transport, reducing cost of transportation, the present invention proposes a kind of powdery
Or the way of transportation of granular material, this way of transportation comprises the steps:
S1, arranging feed arrangement at the charging aperture of conveying arrangement, described conveying arrangement includes container and is arranged on institute
State the flexible lining bag of internal container, this flexible lining bag is provided with ft connection with described container charging aperture,
Discharging opening and blow vent, described charging aperture is near the top of described container, and described discharging opening is close to or at described container
Bottom, described blow vent is close to or at the top of described container；Described feed arrangement includes feed pipe, blast pipe and enters
Material blower fan, the feed end of described feed pipe is connected with the charging aperture of described conveying arrangement, and described charging blower fan passes through described air intake
Pipe connects with described feed pipe；
S3, irrigating powdery or granular material at the feed end of described feed pipe, opening described charging blower fan will fall simultaneously
Enter the powdery in described feed pipe or granular material is filled with in described flexible lining bag, treat that the fill amount of described conveying arrangement is full
After foot transport or fill require, remove described feed arrangement；
S4, by described step S3 meet transport or fill require conveying arrangement be transported to destination；
S5, the conveying arrangement being transported to destination in described step S4 is connected with device for discharging, described device for discharging bag
Including suction tube, powder pump and discharging blower fan, and the suction end of described suction tube is connected with described discharging opening, described powder pump is arranged on institute
Stating on suction tube, described discharging blower fan is by the inner space of described blow vent with the flexible lining bag in described conveying arrangement；
S6, open described powder pump by the powdery in described flexible lining bag or granular material sucking-off, open described simultaneously
Discharging blower fan is inflated, until discharging completes by described blow vent in described flexible lining bag.
Using the way of transportation of powdery of the present invention or granular material to powdery or granular material such as polrvinyl chloride
When material (PVC material) transports, first, in feed arrangement, the feed end perfusion PVC material of feed pipe, utilizes gravity to make
PVC material falls in feed pipe, and utilizes charging blower fan to be inflated in feed pipe by blast pipe, thus utilizes inflation to be formed
PVC material is filled with in flexible lining bag by wind-force, and in gas replenishment process, entering the gas in flexible lining bag can be by ventilation
Mouth is discharged to the outside of container from flexible lining bag, it is to avoid affect PVC material because the air pressure in flexible lining bag is too high
Fill.Owing to PVC material is to have the pulverulent material of mobility, therefore, in pouring process, PVC material can be at flexible lining
Flow in Dai, thus flexible lining bag is filled to reaching transport or fill requirement.After transport to destination, discharging personnel will unload
The suction end of the suction tube in material device is connected with the discharging opening of flexible lining bag in conveying arrangement, so, in this discharge process,
Powder pump, by PVC material sucking-off from flexible lining bag, utilizes discharging blower fan to be inflated in flexible lining bag by blow vent simultaneously,
To avoid flexible lining bag too low and deflated because of the air pressure in inner chamber, cause the powder pump cannot be by smooth for PVC material sucking-off, even
Cannot be by PVC material sucking-off.As can be seen here, utilize the way of transportation of this powdery or granular material to powdery or granular material
When transporting, it is not necessary to a dead lift, labor intensive is few, thus greatly reduces human cost；By mechanized handling, dress
Unloading speed fast, time-consuming fugitive rate is high, thus is substantially reduced lay day cost, and then reduces the fortune of powdery or granular material
Defeated cost.
Preferably, in described step S5, by the discharge end of described suction tube near the position at storage tank top and institute
Stating storage tank connection, and described storage tank is provided with air vent at top, this air vent passes through exhaustor and air exhauster
Connection.So, when carrying out discharging, can directly by powder pump, the powdery in flexible lining bag or granular material directly be irrigated
Store in storage tank, and avoid powder pump to be too high to its sucking-off from flexible lining bag because of the air pressure in storage tank
Powdery or granular material be filled in storage tank.
Preferably, being fixedly installed fill pipeline in the inner chamber of described flexible lining bag, this fill pipeline is positioned at described soft
Property inner lining bag roof on and near the top of described container, and the feed end of described fill pipeline is with described charging aperture even
Logical, the tube wall of described fill pipeline is provided with filling aperture.So, powdery or granular material such as PVC material is at wind-force
Enter fill pipeline from feed pipe under effect, and the filling aperture on fill pipeline is sprayed onto in the inner chamber of flexible lining bag, can
Avoid PVC material to pile up at charging aperture, affect filling speed, improve filling speed further.Further, described filling tube
Road is positioned at the middle part of the roof of described flexible lining bag, and described filling aperture is divided in the both sides of described fill pipeline and bottom even
Cloth.So, the PVC material in fill pipeline can from the both sides of fill pipeline and bottom simultaneously to the both sides flexible lining bag and
Middle part is sprayed, and improves filling speed further.It is further preferred that described fill pipeline is flexible duct, in order in flexible
The folding and retraction of lining bag.Preferably, the cross section of described fill pipeline is circular or oval, to avoid fill pipeline internal memory to exist
Flow blind angle, and then avoid PVC material flow blind angle in fill pipeline to pile up, affect filling speed.
Preferably, the inner chamber of described flexible lining bag is provided with ventilation strip, this ventilation strip is provided with and described flexibility
The air outlet of the inner space of inner lining bag, and the ft connection of the vent of this ventilation strip end and described container.So, exist
In discharge process, can be inflated in flexible lining bag by ventilation strip, it is to avoid flexible lining bag because of air pressure inside too low and flat under
Go, and the wind-force that inflation is formed is less, to avoid affecting discharging.Further, the quantity of described ventilation strip is even number, and described
Ventilation strip is parallel with described fill pipeline and is symmetrical set in the both sides of described fill pipeline.Go out described in it is further preferred that
Air port is positioned at the bottom of described ventilation strip and is evenly distributed.So, discharge process injects the air-flow in flexible lining bag
Evenly, wind-force is less.
Accompanying drawing explanation
Fig. 1 is the structural representation of the conveying arrangement of powdery of the present invention or granular material；
Fig. 2 is the A-A direction view of the conveying arrangement of the powdery shown in Fig. 1 or granular material；
Fig. 3 is to be provided with feed arrangement at the charging aperture of the conveying arrangement of powdery shown in FIG or granular material
Time structural representation；
Fig. 4 is that the discharge outlet of the conveying arrangement of powdery shown in FIG or granular material is provided with device for discharging
Time structural representation.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
As illustrated in fig. 1 and 2, the conveying arrangement used in the way of transportation of powdery of the present invention or granular material includes collection
Vanning 1 and be arranged on the flexible lining bag 2 of internal container, and be provided with the outside with container on this flexible lining bag 2 and connect
Logical charging aperture 21, discharging opening 22 and blow vent 23.Wherein, charging aperture 21, near the top 11 of container 1, had both been easy to fill people
Member, by charging aperture 21 fill powdery or granular material in flexible lining bag 2, can avoid again being filled to flexible lining bag 2
In material block charging aperture 21, affect fill.Discharging opening 22 is near the bottom of container 1, and certainly, discharging opening 22 can also
It is arranged on the bottom of container 1.So, when carrying out discharging, can avoid because of the bottom nothing too far of discharging opening distance set vanning 1
Method will be located in the powdery bottom container 1 or granular material sucking-off, and then causes discharging incomplete.Blow vent 23 near or position
In the top of container, so, when carrying out fill, charging aperture 21 enter in flexible lining bag 2 with the material of fill
Gas can be discharged to the outside of flexible lining bag 2 by blow vent 23, to avoid the air pressure in flexible lining bag 2 too high and shadow
Ring fill；When carrying out discharging, can be inflated in flexible lining bag 2 by blow vent 23, to avoid in flexible lining bag 2 inner chamber
Air pressure too low and affect discharging.
As Figure 1-3, the inner chamber of flexible lining bag 2 is fixedly installed fill pipeline 24,24, this fill pipeline
On the roof of flexible lining bag 2 and near the top 11 of container 1, and the feed end of fill pipeline 24 is with charging aperture 21 even
Logical, the tube wall of fill pipeline 24 is provided with filling aperture 241.So, powdery or granular material such as PVC material is at wind-force
Enter fill pipeline 24 from feed pipe 31 under effect, and the filling aperture 241 on fill pipeline 24 is sprayed onto flexible lining bag 2
In inner chamber, PVC material can be avoided to pile up at charging aperture 21, affect filling speed, improve filling speed further.Preferably
Ground, fill pipeline 24 is positioned at the middle part of the roof of flexible lining bag 2, and filling aperture 241 is equal in the both sides of fill pipeline 24 and bottom
Even distribution.So, the PVC material in fill pipeline 24 can be to flexible lining bag 2 from the both sides of fill pipeline 24 and bottom while
Inner chamber in both sides and middle part spray, improve filling speed further.Preferably, fill pipeline 24 is flexible duct, in order to
Folding and retraction in flexible lining bag 2.Preferably, the cross section of fill pipeline 24 is circular or oval, to avoid filling tube
There is flow blind angle in road 24, and then avoid PVC material flow blind angle in fill pipeline 24 to pile up, affect filling speed.
Certainly, the cross section of fill pipeline 24 can also be arranged to other shapes, such as semicircle or half elliptic etc..
As illustrated in fig. 1 and 2, the inner chamber of flexible lining bag 2 is provided with ventilation strip 25, this ventilation strip 25 is provided with soft
Property inner lining bag 2 the air outlet (not shown in FIG.) of inner space, and outside the vent of this ventilation strip 25 end is with container 1
Portion connects.So, in discharge process, gas can be injected in flexible lining bag 2 by ventilation strip 25, it is to avoid flexible lining bag
2 is too low and deflated because of the air pressure in inner chamber, and the wind-force injecting gas formation is less, to avoid affecting discharging.Preferably, logical
The quantity of wind band 25 is even number, and ventilation strip 25 is parallel with fill pipeline 24 and is symmetrical set in the both sides of fill pipeline 24.
Preferably, air outlet is positioned at the bottom of ventilation strip 25 and is evenly distributed.So, discharge process injects flexible lining bag 2
In air-flow evenly, wind-force is less.
As it is shown on figure 3, the feed arrangement 3 used in the way of transportation of powdery of the present invention or granular material includes charging
Pipe 31, charging blower fan 32 and blast pipe 33.When feed arrangement 3 is connected with conveying arrangement, feed pipe 31 connects with charging aperture 21, enters
Material blower fan 32 is arranged on the charging front end of feed pipe 31 and is connected with feed pipe 31 by blast pipe 33.
As shown in Figure 4, the device for discharging 4 used in the way of transportation of powdery of the present invention or granular material includes suction
Pipe 41, powder pump 42 and discharging blower fan 43.When device for discharging 4 is connected with conveying arrangement, the suction end of suction tube 41 and discharging opening 22
Connecting, powder pump 42 is arranged on suction tube 41, and discharging blower fan 43 connects with blow vent 23.Preferably, the discharge end of suction tube 41
Connecting with storage tank 5 at storage tank 5 top, and storage tank 5 is being provided with air vent at top, and this air vent is leading to
Cross exhaustor 51 to connect with air exhauster 52.
Using above-mentioned conveying arrangement, feed arrangement and device for discharging to coordinate, powdery or granular material are transported
Time, specifically comprise the following steps that
S1, feed arrangement is set at the charging aperture of conveying arrangement, wherein, the feed end of the feed pipe in feed arrangement with
The charging aperture of conveying arrangement connects, and charging blower fan is connected with feed pipe by blast pipe；
S3, irrigating powdery or granular material at the feed end of feed pipe, open charging blower fan will be by action of gravity simultaneously
Fall into the powdery in feed pipe or in flexible lining bag that granular material is filled with in conveying arrangement, the fill amount of device to be transported
After meeting transport or fill requirement, remove feed arrangement；
S4, by step S3 meet transport or fill require conveying arrangement be transported to destination；
S5, the conveying arrangement being transported to destination in step S4 is connected with device for discharging, wherein, suction tube in device for discharging
Suction end be connected with the discharging opening of conveying arrangement, the flexible lining bag in the powder pump being arranged on suction tube and conveying arrangement is even
Logical, discharging blower fan is by the inner space of blow vent with flexible lining bag；
S6, unlatching powder pump, by the powdery in flexible lining bag or granular material sucking-off, are opened discharging blower fan simultaneously and are passed through
Blow vent is inflated in flexible lining bag, until discharging completes.
Using the way of transportation of powdery of the present invention or granular material to powdery or granular material such as polrvinyl chloride
When material (PVC material) transports, first, make PVC material be fallen in feed pipe by action of gravity, and utilize charging blower fan to lead to
Cross blast pipe to inflate in feed pipe, thus PVC material is filled with in flexible lining bag by the wind-force utilizing inflation to be formed, and filling
During gas, enter the gas in flexible lining bag and can be discharged to the outside of container by blow vent from flexible lining bag, keep away
Exempt from the air pressure in flexible lining bag too high and affect the fill of PVC material.Owing to PVC material is to have the powdery material of mobility
Material, therefore, in pouring process, PVC material can flow in flexible lining bag, thus filled by flexible lining bag or reach fill
Requirement.After transport to destination, utilize powder pump by PVC material sucking-off from flexible lining bag, utilize discharging blower fan to lead to simultaneously
Cross blow vent in flexible lining bag, inject gas, to avoid flexible lining bag too low and deflated because of the air pressure in its inner chamber,
Cause the powder pump cannot be by smooth for PVC material sucking-off, even cannot be by PVC material sucking-off.As can be seen here, this powdery or granule are utilized
When powdery or granular material are transported by the way of transportation of shape material, it is not necessary to a dead lift, labor intensive is few, thus greatly
Decrease greatly human cost；By mechanized handling, handling speed soon, time-consuming fugitive rate is high, thus is substantially reduced the lay day
Cost, and then reduce the cost of transportation of powdery or granular material.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (10)
1. a powdery or the way of transportation of granular material, it is characterised in that this way of transportation comprises the steps:
S1, arranging feed arrangement at the charging aperture of conveying arrangement, described conveying arrangement includes container and is arranged on described collection
Flexible lining bag within Zhuan Xiang, this flexible lining bag is provided with the charging aperture of ft connection with described container, discharging
Mouth and blow vent, described charging aperture is near the top of described container, and described discharging opening is close to or at the end of described container
Portion, described blow vent is close to or at the top of described container；Described feed arrangement includes feed pipe, blast pipe and charging wind
Machine, the feed end of described feed pipe is connected with the charging aperture of described conveying arrangement, described charging blower fan by described blast pipe with
Described feed pipe connects；
S3, irrigate powdery or granular material at the feed end of described feed pipe, open described charging blower fan simultaneously and will fall into institute
State the powdery in feed pipe or granular material is filled with in described flexible lining bag, treat that the fill amount of described conveying arrangement meets fortune
After defeated or fill requires, remove described feed arrangement；
S4, by described step S3 meet transport or fill require conveying arrangement be transported to destination；
S5, being connected with device for discharging by the conveying arrangement being transported to destination in described step S4, described device for discharging includes inhaling
Expecting pipe, powder pump and discharging blower fan, and the suction end of described suction tube is connected with described discharging opening, described powder pump is arranged on described suction
On material pipe, described discharging blower fan is by the inner space of described blow vent with the flexible lining bag in described conveying arrangement；
S6, open described powder pump by the powdery in described flexible lining bag or granular material sucking-off, open described discharging simultaneously
Blower fan is inflated, until discharging completes by described blow vent in described flexible lining bag.
Powdery the most according to claim 1 or the way of transportation of granular material, it is characterised in that in described step S5
In, the discharge end of described suction tube is connected with described storage tank in the position near storage tank top, and described storage tank leans on
Being provided with air vent at nearly top, this air vent is connected with air exhauster by exhaustor.
Powdery the most according to claim 1 and 2 or the way of transportation of granular material, it is characterised in that in described flexibility
Being fixedly installed fill pipeline in the inner chamber of lining bag, this fill pipeline is positioned on the roof of described flexible lining bag and near described
The top of container, and the feed end of described fill pipeline connects with described charging aperture, and the tube wall of described fill pipeline is arranged
There is filling aperture.
Powdery the most according to claim 3 or the way of transportation of granular material, it is characterised in that described fill pipeline position
In the middle part of the roof of described flexible lining bag, and described filling aperture is distributed in the both sides of described fill pipeline and bottom even.
Powdery the most according to claim 4 or the way of transportation of granular material, it is characterised in that described fill pipeline is
Flexible duct.
Powdery the most according to claim 5 or the way of transportation of granular material, it is characterised in that described fill pipeline
Cross section is circular or oval.
Powdery the most according to claim 1 and 2 or the way of transportation of granular material, it is characterised in that in described flexibility
The inner chamber of lining bag is provided with ventilation strip, this ventilation strip is provided with the air outlet of inner space with described flexible lining bag,
And the ft connection of the vent of this ventilation strip end and described container.
Powdery the most according to claim 7 or the way of transportation of granular material, it is characterised in that the number of described ventilation strip
Amount is even number, and described ventilation strip is parallel with described fill pipeline and is symmetrical set in the both sides of described fill pipeline.
Powdery the most according to claim 8 or the way of transportation of granular material, it is characterised in that described air outlet is positioned at
The bottom of described ventilation strip.
Powdery the most according to claim 9 or the way of transportation of granular material, it is characterised in that described air outlet exists
The bottom of described ventilation strip is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610682769.5A CN106044262A (en) | 2016-08-17 | 2016-08-17 | Method for conveying powered or granulated material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610682769.5A CN106044262A (en) | 2016-08-17 | 2016-08-17 | Method for conveying powered or granulated material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106044262A true CN106044262A (en) | 2016-10-26 |
Family
ID=57194910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610682769.5A Pending CN106044262A (en) | 2016-08-17 | 2016-08-17 | Method for conveying powered or granulated material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106044262A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112010054A (en) * | 2020-09-03 | 2020-12-01 | 智美物流供应链(青岛)有限公司 | Method for transporting bulk material |
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| CN202987539U (en) * | 2012-12-14 | 2013-06-12 | 河南天冠企业集团有限公司 | Container lining bag bulk pneumatic filling device for granular gluten powder |
| EP2881340A2 (en) * | 2013-12-06 | 2015-06-10 | Avangard Malz AG | Liner for a large container and method for filling a large container |
| CN205132574U (en) * | 2015-11-16 | 2016-04-06 | 天津市明祥科技发展有限公司 | Carborundum miropowder partial shipment equipment |
| CN105564672A (en) * | 2015-12-21 | 2016-05-11 | 新疆天业（集团）有限公司 | Container polyvinyl chloride powder logistics system |
| CN205257486U (en) * | 2015-12-21 | 2016-05-25 | 新疆天业（集团）有限公司 | Portable container polyvinyl chloride powder discharge apparatus |
| CN205345843U (en) * | 2016-01-11 | 2016-06-29 | 姚平 | Powder transportation container |
| CN205381744U (en) * | 2015-12-24 | 2016-07-13 | 新疆天业（集团）有限公司 | Sectional type container polyvinyl chloride powder conveyor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202987539U (en) * | 2012-12-14 | 2013-06-12 | 河南天冠企业集团有限公司 | Container lining bag bulk pneumatic filling device for granular gluten powder |
| EP2881340A2 (en) * | 2013-12-06 | 2015-06-10 | Avangard Malz AG | Liner for a large container and method for filling a large container |
| CN205132574U (en) * | 2015-11-16 | 2016-04-06 | 天津市明祥科技发展有限公司 | Carborundum miropowder partial shipment equipment |
| CN105564672A (en) * | 2015-12-21 | 2016-05-11 | 新疆天业（集团）有限公司 | Container polyvinyl chloride powder logistics system |
| CN205257486U (en) * | 2015-12-21 | 2016-05-25 | 新疆天业（集团）有限公司 | Portable container polyvinyl chloride powder discharge apparatus |
| CN205381744U (en) * | 2015-12-24 | 2016-07-13 | 新疆天业（集团）有限公司 | Sectional type container polyvinyl chloride powder conveyor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20161026 |
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