CN202848418U - Solid material conveying device capable of removing blocking intelligently and provided with nozzles - Google Patents
Solid material conveying device capable of removing blocking intelligently and provided with nozzles Download PDFInfo
- Publication number
- CN202848418U CN202848418U CN 201220289967 CN201220289967U CN202848418U CN 202848418 U CN202848418 U CN 202848418U CN 201220289967 CN201220289967 CN 201220289967 CN 201220289967 U CN201220289967 U CN 201220289967U CN 202848418 U CN202848418 U CN 202848418U
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- Prior art keywords
- blade
- blanking section
- bottom blanking
- nozzle
- inwall
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- 239000011343 solid material Substances 0.000 title claims abstract description 20
- 230000000903 blocking effect Effects 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 27
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000007921 spray Substances 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 8
- 239000003245 coal Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000011890 leaf development Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
Provided is a solid material conveying device capable of removing blocking intelligently and provided with nozzles. The solid material conveying device comprises at least one tapered hopper. The tapered hopper comprises an upper loading section and a lower blanking section. Blades are arranged inside the lower blanking section and are fixed, a certain gaps exist between the blades and the inner wall of the lower blanking section, the outer wall of the lower blanking section is connected with a bearing transmission device, and the bearing transmission device drives the lower blanking section to rotate. The blades are provided with the nozzles which spray gas towards the inner wall of the lower blanking section. According to the solid material conveying device, anti-blocking efficiency is improved and energy consumption is reduced.
Description
Technical field
The utility model belongs to the solid material transportation art, is specifically related to a kind of solid material load transfer device with intelligent block clearing and/or choke preventing function, particularly a kind of solid material load transfer device that has intelligent block clearing and/or choke preventing function when carrying along gravitational field.
Background technology
At present, the solid material conveying is very general process in chemical industry, field of boilers, and wherein the vertical transport of solid material is modal process.In general, carry in order to save energy along the solid material of gravitational field, all be rely on gravity carry out solid material freely descend carry.Solid material load transfer device along gravitational field comprises at least one broach hopper, and this broach hopper comprises top material loading section and bottom blanking section.Although the outlet size of blanking section much larger than the particle diameter of powder, still might form bridge formation when the whole discharging downwards of solid material.This obstruction can cause the fault of load transfer device, and then has influence on the fault of whole system.The major cause that results in blockage is such as having friction force between solid material and the equipment inner wall, having friction force etc. between the solid material.In order to prevent latch up phenomenon, corresponding block clearing and/or anti-block apparatus must be set in load transfer device.
For many years, in order to solve blockage problem, developed vibration or beaten the methods such as inwall, rotation scraping inwall, gas injection inwall.200810140442.0 proposed the equipment of rotary conic hopper stationary blade, 201020262144.1 proposed the fixedly equipment of broach hopper of rotating blade, although these two kinds of equipment can reach the effect that prevents from stopping up, it is all higher that but it prevents from stopping up the energy consumption that needs, and still needs a kind of solid material load transfer device of stopping up of preventing efficiently.
Summary of the invention
Blockage problem when carrying in order to solve powder material, the design people provides a kind of powder load transfer device and method with block clearing and/or choke preventing function.
The solid material load transfer device that the utility model proposes, it comprises at least one broach hopper, this broach hopper comprises top material loading section and bottom blanking section, has blade in the bottom blanking section, blade maintains static, and blade and bottom blanking section inwall have a fixed gap, and bottom blanking section outer wall is connected with bearing driving device, drive bottom blanking section by bearing driving device and rotate, blade has the nozzle of subordinate's section of expecting inwall jet gas down.
Wherein, be connected with pressure sensor at least one blade, preferably be connected with pressure sensor at each blade.
Wherein, the space of blade and bottom blanking section inwall accounts for the 0.3-10% of bottom blanking section inwall radius, preferred 1.0%-6.6%, more preferably 1.6%-3.3%.
Wherein, blade is identical everywhere with the space of bottom blanking section inwall; Perhaps, the space of blade and bottom blanking section inwall reduces from top to bottom gradually.
Wherein, blade plan form can be in the shape of a spiral, straight tabular or swash plate shape.
Wherein, the nozzle Jet with downward flow direction gas on the blade.
Wherein, the nozzle on the blade and horizontal sextant angle are 15-95 °, preferred 35-75 °, and more preferably 55-75 °, most preferably 75 °.
Wherein, the outlet section in bottom blanking section has flow measurement.
The flow that measures when flow measurement drops to when a certain amount of, starts bearing driving device, can only start bearing driving device, also can start simultaneously the nozzle of bearing driving device and blade.Also can start all the time bearing driving device, also can start simultaneously all the time the nozzle of bearing driving device and blade
The condition of startup is set according to the character of powder material, in general when flow drops to the 80%-40% of normal discharge, starts anti-blocking equipment, reduction energy consumption that can maximal efficiency.Carry for power plant boiler fine coal, in general when flow drop to normal discharge 60% the time startup; And for the fly ash carry of flying dust treating system, in general when flow drop to normal discharge 50% the time start.
Equipment of the present utility model is judged stopping state by discharge measurement, selects start anti-block apparatus suitable opportunity, has improved anti-blocking efficient, has reduced energy consumption.At blade nozzle is set, in the rotation of bottom blanking section, sprays, improved anti-blocking efficient, reduced energy consumption.Adjust the spray angle of blade top nozzle, improved anti-blocking efficient, reduced energy consumption.
In real-world operation; resistance between blade and the solid material is very large; the problems such as blade often can become flexible, disconnect, comes off; in case generation the problems referred to above; not only can cause blocking-proof result obviously to descend; also may damage the parts such as hopper, therefore must in time find the problems referred to above, and immediately maintenance.The utility model can detect in real time the situation of blade, thereby solve the problems referred to above by pressure sensor is set.
The weight of hopper is larger, adopt as 200810140442.0 in gear transmission the time, the rotation of hopper can not be stablized, and often breaks down, this equipment changes gear transmission into bearing-transmission, has overcome for a long time problem of normal smooth operation of gear transmission.
Description of drawings
Fig. 1 represents the structural representation of this equipment.
The specific embodiment
This equipment is referring to Fig. 1.Its structure comprises: at least one broach hopper, this broach hopper comprise top material loading section 1 and bottom blanking section 2, have blade 4 in bottom blanking section 2, and blade 4 maintains static.Blade has the nozzle (not shown in FIG.) of subordinate's section of expecting inwall jet gas down.Nozzle Jet with downward flow direction gas on the blade.Outlet section in bottom blanking section has flow measurement 5, and blade plan form is the swash plate shape.Bottom blanking section 2 middle part outer walls are connected with bearing driving device 3, drive bottom blanking section by bearing driving device 3 and rotate.Be connected with the pressure sensor (not shown in FIG.) at each blade 4.
When the conveying powder material, flow measurement 5 measuring flows change, and when flow drops to when a certain amount of, start bearing driving device 3; When starting bearing driving device 3, the nozzle that can start blade 4 also can not start the nozzle of blade 4, thereby prevents that efficiently powder material from stopping up.Pressure sensor on the blade is worked all the time, becomes flexible, disconnects, comes off etc. when unusual if find blade, can report to the police, and as early as possible blade is repaired.
Embodiment 1:
Take fine coal as example, when flow drop to normal discharge 70% the time start bearing driving device 3 (not starting the nozzle of blade), the space of blade and bottom blanking section 2 inwalls accounts for 0.1%, 0.3%, 1.0%, 1.6%, 3.3%, 6.6%, 10%, 15% of bottom blanking section radius (internal diameter).Measuring flow returns to 95% energy consumption of normal discharge.Energy consumption take 0.3% is 1, calculates the energy consumption of other ratio, sees Table 1.
| 0.1％ | 0.3％ | 1.0％ | 1.6％ | 3.3％ | 6.6％ | 10％ | 15％ | |
| Energy consumption | 100％ | 95％ | 80％ | 75％ | 90％ | 105％ |
Wherein 0.1% space pressure sensor when testing is for the second time reported to the police, on inspection the loosening phenomenon of leaf development; 15% can't return to 95% of normal discharge.
The space of employing 3.3% blade warning and bottom blanking section do not occur and rotates unusually apart from contact running 1000 hours.
Embodiment 2:
Take fine coal as example, when flow drop to normal discharge 70% the time start bearing driving device 3 and (start simultaneously the nozzle of blade, nozzle Jet with downward flow direction gas on the blade, 75 ° of nozzle and horizontal sextant angles, the space of blade and bottom blanking section 2 inwalls account for bottom blanking section radius (internal diameter) 3.3%), measuring flow returns to 95% energy consumption of normal discharge.
Take the energy consumption of embodiment 1 as 1, calculate the energy consumption of embodiment 2, see Table 2.
| Embodiment 1 | Embodiment 2 | |
| Energy consumption | 100％ | 90％ |
As can be seen from the table, the nozzle that starts on the blade when blanking section in bottom is rotated can reduce anti-blocking energy consumption.
Embodiment 3:
Take fine coal as example, when flow drop to normal discharge 70% the time start bearing driving device 3 and (start simultaneously the nozzle of blade, the space of blade and bottom blanking section 2 inwalls account for bottom blanking section radius (internal diameter) 3.3%), wherein, nozzle Jet with downward flow direction gas on the blade, nozzle and horizontal sextant angle 15,35,55,75,95 °.Measuring flow returns to 95% energy consumption of normal discharge.Take the energy consumption of 15 ° of angles as 1, calculate the energy consumption of other angle, see Table 3.
| 15° | 35° | 55° | 75° | 95° | |
| Energy consumption | 100％ | 95％ | 80％ | 75％ | 100％ |
As can be seen from the table, 75 ° have lowest energy consumption.
Embodiment 4:
Take fine coal as example, when flow drop to normal discharge 40%, 50%, 60%, 70%, 80% the time start bearing driving device 3 and (start simultaneously the nozzle of blade, the space of blade and bottom blanking section 2 inwalls account for bottom blanking section radius (internal diameter) 3.3%), wherein, nozzle Jet with downward flow direction gas on the blade, 75 ° of nozzle and horizontal sextant angles, flow return to normal discharge 95% the time close bearing driving device 3 (closing simultaneously the nozzle of blade), calculate the energy consumption of carrying the anti-blocking equipment of 10kg material.Energy consumption take 40% is 1, calculates other energy consumption, sees Table 4.
| 40％ | 50％ | 60％ | 70％ | 80％ | |
| Energy consumption | 100％ | 100％ | 85％ | 90％ | 100％ |
As can be seen from the table, start 60% the time and have lowest energy consumption.
Embodiment 5:
Similar to Example 4, just change fine coal into flying dust, the results are shown in Table 5.
| 40％ | 50％ | 60％ | 70％ | 80％ | |
| Energy consumption | 100％ | 85％ | 95％ | 100％ | 105％ |
As can be seen from the table, start 50% the time and have lowest energy consumption.
Claims (15)
- One kind have an intelligent block clearing contain the nozzle solid material conveying device, it comprises at least one broach hopper, this broach hopper comprises top material loading section and bottom blanking section, has blade in the bottom blanking section, blade maintains static, and blade and bottom blanking section inwall have a fixed gap, and bottom blanking section outer wall is connected with bearing driving device, drive bottom blanking section by bearing driving device and rotate, blade has the nozzle of subordinate's section of expecting inwall jet gas down.
- 2. device as claimed in claim 1 is connected with pressure sensor at least one blade.
- 3. device as claimed in claim 2 is connected with pressure sensor at each blade.
- 4. such as each described device of claim 1-3, the space of blade and bottom blanking section inwall accounts for the 0.3%-10% of bottom blanking section inwall radius.
- 5. device as claimed in claim 4, the space of blade and bottom blanking section inwall accounts for the 1.0%-6.6% of bottom blanking section inwall radius.
- 6. device as claimed in claim 4, the space of blade and bottom blanking section inwall accounts for the 1.6%-3.3% of bottom blanking section inwall radius.
- 7. such as each described device of claim 1-3, its Leaf is identical everywhere with the space of bottom blanking section inwall.
- 8. such as each described device of claim 1-3, the space of its Leaf and bottom blanking section inwall reduces from top to bottom gradually.
- 9. such as each described device of claim 1-3, wherein blade plan form in the shape of a spiral, straight tabular or swash plate shape.
- 10. such as each described device of claim 1-3, the nozzle Jet with downward flow direction gas on its Leaf.
- 11. device as claimed in claim 10, the nozzle on the blade and horizontal sextant angle are 15-95 °.
- 12. device as claimed in claim 11, the nozzle on the blade and horizontal sextant angle are 45-90 °.
- 13. device as claimed in claim 11, the nozzle on the blade and horizontal sextant angle are 55-75 °.
- 14. device as claimed in claim 11, the nozzle on the blade and horizontal sextant angle are 75 °.
- 15. such as each described device of claim 1-3, wherein the outlet section in bottom blanking section has flow measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220289967 CN202848418U (en) | 2012-06-19 | 2012-06-19 | Solid material conveying device capable of removing blocking intelligently and provided with nozzles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220289967 CN202848418U (en) | 2012-06-19 | 2012-06-19 | Solid material conveying device capable of removing blocking intelligently and provided with nozzles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202848418U true CN202848418U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220289967 Expired - Fee Related CN202848418U (en) | 2012-06-19 | 2012-06-19 | Solid material conveying device capable of removing blocking intelligently and provided with nozzles |
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| Country | Link |
|---|---|
| CN (1) | CN202848418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963632A (en) * | 2012-06-19 | 2013-03-13 | 程晓堂 | Nozzle-containing solid material conveying device with intelligent blockage clearing |
-
2012
- 2012-06-19 CN CN 201220289967 patent/CN202848418U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963632A (en) * | 2012-06-19 | 2013-03-13 | 程晓堂 | Nozzle-containing solid material conveying device with intelligent blockage clearing |
| CN102963632B (en) * | 2012-06-19 | 2014-05-07 | 程晓堂 | Nozzle-containing solid material conveying device with intelligent blockage clearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG PINGYUAN CHOOSUN ENERGY SAVING EQUIPMENT Free format text: FORMER OWNER: CHENG XIAOTANG Effective date: 20130910 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100049 HAIDIAN, BEIJING TO: 253100 DEZHOU, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130910 Address after: 253100 Eastern District of Plain Economic Development Zone, Shandong Patentee after: Shandong plain energy saving equipment Co., Ltd. Address before: 100049 Beijing Fuxing Road, No. 36, building No. 1, building No. 1104, No. Patentee before: Cheng Xiaotang |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20160619 |