CN203602038U - Positive pressure boosting type silica powder pneumatic conveyor - Google Patents
Positive pressure boosting type silica powder pneumatic conveyor Download PDFInfo
- Publication number
- CN203602038U CN203602038U CN201320726651.XU CN201320726651U CN203602038U CN 203602038 U CN203602038 U CN 203602038U CN 201320726651 U CN201320726651 U CN 201320726651U CN 203602038 U CN203602038 U CN 203602038U
- Authority
- CN
- China
- Prior art keywords
- silica powder
- pipe
- nitrogen
- silica flour
- conveying
- 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.)
- Expired - Lifetime
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 166
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 85
- 239000000843 powder Substances 0.000 title claims abstract description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 33
- 235000013312 flour Nutrition 0.000 claims description 56
- 239000000463 material Substances 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000011863 silicon-based powder Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Air Transport Of Granular Materials (AREA)
Abstract
The utility model relates to a positive pressure boosting type silica powder pneumatic conveyor which comprises a silica powder bin, a silica powder sending tank, a silica powder receiving tank, a silica powder conveying pipe and a nitrogen adjoining pipe matched with the silica powder conveying pipe. The silica powder bin, the silica powder sending tank, the silica powder receiving tank, the silica powder conveying pipe and the nitrogen adjoining pipe are sequentially connected; a bag filter, a breathing type safety valve and a radar level gauge are allocated at the top of the silica powder bin; a flow assisting device is arranged at the taper part of the silica powder bin; the silica powder bin is connected with the silica powder sending tank through a dropping pipe and a dropping valve; the upper portion and the lower portion of the silica powder sending tank are provided with gas inlet valves connected with a compression nitrogen tank; the silica powder sending tank is connected with the silica powder receiving tank through a conveying main pipe and a discharging valve; the nitrogen adjoining pipe conducts whole-journey blowing assisting along the conveying main pipe, and the nitrogen adjoining pipe is connected with the conveying main pipe through an arranged nitrogen flow assisting device and an arranged adjusting valve; conveying can be carried out with the maximum density (mixing ratio) and the slowest speed; conveyed nitrogen inletting and stock column section dividing are automatically carried out so that a large amount of consumption for conveying nitrogen can be saved; abrasions to devices and pipes can be greatly reduced; whole-journey bypass adjoining pipe blowing assisting is achieved, and pipe blocking is avoided; conveying automation and conveying intelligentization are achieved through pressure PLC control.
Description
Technical field
The utility model relates to a kind of malleation boosting type silica flour Pneumatic conveyer, belongs to metallic silicon power strength in production of polysilicon and carries association area.
Background technology
Feed metal silica flour in production of polysilicon, hardness reaches 7 grades of Mohs, bulk density 1.2-1.5t/m3, meta particle diameter reaches 350-400 μ m, is that a kind of typical particle is thick, bulk density is large, high abradability material.By traditional Dense Phase Pneumatic Conveying scheme, because delivery speed is high, therefore very serious to the wearing and tearing of valve and delivery duct.According to statistics, delivery speed often doubles, and its degree of wear just increases by 8 times.High wearing and tearing make the service life of valve and pipeline very short, and service expenditure is high, and maintenance labour intensity is large.In order to improve the service life of valve, often adopt the material manufacture of high-wearing feature, valve is expensive, and with high-abrasive material cast-in-block valve, its price is common more than 20 times.
Traditional Dense Phase Pneumatic Conveying scheme, in order to prevent pipe choking, need to pass into a large amount of nitrogen in addition, causes solid and gas mixture ratio low, and therefore nitrogen consumption is high more a lot of than low speed transportation scheme, has increased operation cost.Raw material silica flour in production of polysilicon technique is from raw material warehouse to material handling reactor charging hopper at present, adopt manually in conjunction with mechanical lifting method, not only labour intensity is large for this mode, labor productivity is low, poor working environment, and potential safety hazard is also very outstanding.
Utility model content
The purpose of this utility model is to provide a kind of malleation boosting type silica flour Pneumatic conveyer, uses this device transportation silica flour, can improve the distance of silica flour conveying and the height of carrying, accurate measurement silica flour operational throughput; Reduce the wearing and tearing to pipeline, valve simultaneously.Be provided with pressure sensor at silica flour sending cans discharging opening and silica flour receiving tank inlet point, can realize conveying automation, intellectuality.
The technical solution of the utility model is: a kind of malleation boosting type silica powder conveyor, comprises successively the nitrogen adjoining pipe that the silica flour feed bin, silica flour sending cans, silica flour receiving tank, silica flour delivery duct and the silica flour delivery duct that connect match; Described silicon powder material storehouse top is equipped with sack cleaner, breathes safety valve, radar level gauge; Feed bin tapering is provided with flow-aid device; Feed bin is connected by blanking pipeline, discharge valve with sending cans; Described sending cans top, bottom are provided with the air inlet valve being connected with compressed nitrogen gas tank; Described sending cans are by carrying main pipeline to be connected with silica flour receiving tank with bleeder valve; Described nitrogen adjoining pipe is blown along carrying main pipeline whole process to help, and adjoining pipe is provided with nitrogen flow-aid device with supervisor, control cock is connected; Described silica flour sending cans self are provided with weighing system; The bottom of described silica flour sending cans is provided with the elbow being connected with main pipeline.
Further, described elbow is wear-resistant bend, inner lining with silicon carbide composite elbow.
Further, described conveying main pipeline is solid drawn pipe, and DN100 wall thickness is greater than 10mm.
Further, on described conveying main pipeline, be connected with 1 above silica flour receiving tank.
Malleation boosting type silica powder conveyor of the present utility model, can carry with maximum density (mixture ratio) and the slowest speed; Entering with the segmentation of stock column of supplying nitrogen carried out automatically, therefore, can save in a large number supplying nitrogen consumption; Can greatly alleviate the wearing and tearing to equipment and pipeline; Completely bypass adjoining pipe helps and blows, can plugging; Pressure P LC controls to realize and carries automation, intellectuality.
Accompanying drawing explanation
Accompanying drawing is used for further understanding of the present utility model, and supports, and forms a part for specification sheets, is used from explanation the utility model with embodiment mono-, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of malleation boosting type of the utility model silica powder conveyor embodiment 1;
Fig. 2 is the structural representation of a kind of malleation boosting type of the utility model silica powder conveyor embodiment 2;
In figure: 1-nitrogen storage tank, 2-sack cleaner, 3-silica flour inlet point, 4-silica flour feed bin, 5-flow-aid device, 6-silica flour sending cans, 7-weighing system, 8-elbow, 9-discharging moushroom valve, 10-help and blow assembly, 11-silica flour receiving tank.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further details, but embodiment of the present utility model is not limited to this.Can find out from accompanying drawing:
A kind of malleation boosting type silica powder conveyor, comprises the nitrogen adjoining pipe that the silica flour feed bin 4, silica flour sending cans 6, silica flour receiving tank 11, silica flour delivery duct and the silica flour delivery duct that connect successively match; Described silica flour feed bin 4 tops, storehouse are equipped with sack cleaner 2, breathing safety valve, radar level gauge (not drawing in figure); Feed bin tapering is provided with flow-aid device; Feed bin 4 is connected by blanking pipeline, discharge valve with sending cans 6; Described sending cans 6 tops, bottom are provided with the air inlet valve being connected with compressed nitrogen gas tank; Described sending cans 6 are by carrying main pipeline to be connected with silica flour receiving tank 11 with bleeder valve 9; Described nitrogen adjoining pipe is blown along carrying main pipeline whole process to help, and adjoining pipe is provided with nitrogen flow-aid device 5 with supervisor, control cock is connected; Described silica flour sending cans 6 self are provided with weighing system 7; The bottom of described silica flour sending cans 6 is provided with the elbow 8 being connected with main pipeline.
Further, described elbow is wear-resistant bend, inner lining with silicon carbide composite elbow.
Further, described conveying main pipeline is solid drawn pipe, and DN100 wall thickness is greater than 10mm.
Further, on described conveying main pipeline, be connected with 1 above silica flour receiving tank 11.
embodiment 1
As shown in Fig. 1 embodiment, a kind of malleation boosting type silica powder conveyor, comprise power nitrogen source of the gas 1, successively connect silica flour feed bin 4, silica flour sending cans 6; Described silica flour feed bin 1 enters silica flour sending cans 6 through blanking pipeline, valve by silica flour, described silica flour is accurately weighed through weighing system 7, silica flour sending cans 6 through 1 punching press of nitrogen source of the gas to 0.2-1.0Mpa, nitrogen adjoining pipe pressure is controlled at 0.2-1.0Mpa, described silica flour sending cans 6 export with elbow 8, discharging moushroom valve 9, are connected with silica flour receiving tank 11 through conveying main pipeline, described nitrogen adjoining pipe is along carrying main pipeline, omnidistance blow assembly 10 and help and blow through helping, adjoining pipe is provided with nitrogen flow-aid device with supervisor, control cock is connected.
When work, material enters when supervisor with low speed, helps the nitrogen that blows adjoining pipe to enter supervisor through booster, and gas-saving device will long stock column brachymemma, carries with maximum density (mixture ratio) and the slowest speed.
Described nitrogen adjoining pipe, blows assembly along carrying supervisor to install to help every a segment distance.
Direction while sending conveying in order to change silica flour, is provided with and is responsible for the elbow being connected in described silica flour sending cans bottom, horizontal direction, vertical direction.
For accurate measurement silica flour, be attached thereto in described silica flour sending cans the pipeline connecing and adopt flexible pipe to connect, guarantee the particularity of weighing system.
As shown in Figure 2, the present embodiment and embodiment 1 device structure are basic identical, and its difference is only, connects more than 1 silica flour receiving tank 11 on described main delivery pipe.
Malleation boosting type silica powder conveyor of the present utility model, carry main pipeline along in journey, lay a nitrogen and help and blow adjoining pipe, on supervisor at a certain distance, gas-saving device and pressure-modulation valve are installed, gas-saving device is blown adjoining pipe and is connected with helping; Setting pressure sensor on supervisor, by PLC control presssure.Material enters when supervisor with low speed, helps the nitrogen that blows adjoining pipe to enter supervisor through booster, and gas-saving device will long stock column brachymemma, carries with maximum density (mixture ratio) and the slowest speed, and entering with the segmentation of stock column of supplying nitrogen carried out automatically.Can save in a large number supplying nitrogen consumption; Can greatly alleviate the wearing and tearing to equipment and pipeline; Completely bypass adjoining pipe helps and blows, can plugging; Pressure P LC controls to realize and carries automation, intellectuality.
These are only preferred embodiment of the present utility model, be not limited to the utility model, although previous embodiment has been described in detail the utility model, for a person skilled in the art, the technical scheme that still can record aforementioned each embodiment is modified, or to wherein dividing technical characterictic to be equal to replacement.All under design of the present utility model, any modification of work, be equal to replacement, improve, all within protection domain of the present utility model.
Claims (4)
1. a malleation boosting type silica powder conveyor, is characterized in that, comprises successively the nitrogen adjoining pipe that the silica flour feed bin, silica flour sending cans, silica flour receiving tank, silica flour delivery duct and the silica flour delivery duct that connect match; Described silicon powder material storehouse top is equipped with sack cleaner, breathes safety valve, radar level gauge; Feed bin tapering is provided with flow-aid device; Feed bin is connected by blanking pipeline, discharge valve with sending cans; Described sending cans top, bottom are provided with the air inlet valve being connected with compressed nitrogen gas tank; Described sending cans are by carrying main pipeline to be connected with silica flour receiving tank with bleeder valve; Described nitrogen adjoining pipe is blown along carrying main pipeline whole process to help, and adjoining pipe is provided with nitrogen flow-aid device with supervisor, control cock is connected; Described silica flour sending cans self are provided with weighing system; The bottom of described silica flour sending cans is provided with the elbow being connected with main pipeline.
2. according to a kind of malleation boosting type silica powder conveyor claimed in claim 1, it is characterized in that, described elbow is wear-resistant bend, inner lining with silicon carbide composite elbow.
3. according to a kind of malleation boosting type silica powder conveyor claimed in claim 1, it is characterized in that, described conveying main pipeline is solid drawn pipe, and DN100 wall thickness is greater than 10mm.
4. according to a kind of malleation boosting type silica powder conveyor claimed in claim 1, it is characterized in that, on described conveying main pipeline, be connected with 1 above silica flour receiving tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726651.XU CN203602038U (en) | 2013-11-18 | 2013-11-18 | Positive pressure boosting type silica powder pneumatic conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726651.XU CN203602038U (en) | 2013-11-18 | 2013-11-18 | Positive pressure boosting type silica powder pneumatic conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203602038U true CN203602038U (en) | 2014-05-21 |
Family
ID=50714725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320726651.XU Expired - Lifetime CN203602038U (en) | 2013-11-18 | 2013-11-18 | Positive pressure boosting type silica powder pneumatic conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203602038U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401736A (en) * | 2014-10-20 | 2015-03-11 | 无锡红旗除尘设备有限公司 | Lead powder and nitrogen gas closed-cycle static-pressure dense-phase sectional boosting pneumatic conveying system |
| CN104444377A (en) * | 2014-10-20 | 2015-03-25 | 无锡红旗除尘设备有限公司 | Nitrogen closed-cycle static pressure dense-phase segmented boosting pneumatic conveying method for lead powder |
| CN105126697A (en) * | 2015-08-25 | 2015-12-09 | 中国石油集团渤海钻探工程有限公司 | Fracturing fluid mass flow continuous liquid preparation system for hydraulic fracturing and liquid preparation process of system |
| CN106144604A (en) * | 2016-08-27 | 2016-11-23 | 四川亿欣新材料有限公司 | A kind of environment protection type powder stablizes pay-off |
| CN108974948A (en) * | 2018-07-16 | 2018-12-11 | 湖北甘宁石化新材料股份有限公司 | A kind of Pneumatic conveyer that nitrogen circulation uses |
| CN110171713A (en) * | 2019-06-26 | 2019-08-27 | 山东华东风机有限公司 | A kind of air-transport system with automatic block clearing valve |
| CN112320360A (en) * | 2019-12-30 | 2021-02-05 | 上海博隆装备技术股份有限公司 | Positive pressure conveying method for light powder and granular material |
-
2013
- 2013-11-18 CN CN201320726651.XU patent/CN203602038U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401736A (en) * | 2014-10-20 | 2015-03-11 | 无锡红旗除尘设备有限公司 | Lead powder and nitrogen gas closed-cycle static-pressure dense-phase sectional boosting pneumatic conveying system |
| CN104444377A (en) * | 2014-10-20 | 2015-03-25 | 无锡红旗除尘设备有限公司 | Nitrogen closed-cycle static pressure dense-phase segmented boosting pneumatic conveying method for lead powder |
| CN105126697A (en) * | 2015-08-25 | 2015-12-09 | 中国石油集团渤海钻探工程有限公司 | Fracturing fluid mass flow continuous liquid preparation system for hydraulic fracturing and liquid preparation process of system |
| CN106144604A (en) * | 2016-08-27 | 2016-11-23 | 四川亿欣新材料有限公司 | A kind of environment protection type powder stablizes pay-off |
| CN106144604B (en) * | 2016-08-27 | 2018-08-21 | 四川亿欣新材料有限公司 | A kind of environment protection type powder stabilization feed device |
| CN108974948A (en) * | 2018-07-16 | 2018-12-11 | 湖北甘宁石化新材料股份有限公司 | A kind of Pneumatic conveyer that nitrogen circulation uses |
| CN108974948B (en) * | 2018-07-16 | 2024-03-15 | 湖北甘宁石化新材料股份有限公司 | Pneumatic conveying device for recycling nitrogen |
| CN110171713A (en) * | 2019-06-26 | 2019-08-27 | 山东华东风机有限公司 | A kind of air-transport system with automatic block clearing valve |
| CN112320360A (en) * | 2019-12-30 | 2021-02-05 | 上海博隆装备技术股份有限公司 | Positive pressure conveying method for light powder and granular material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
|
| CX01 | Expiry of patent term |