CN202848422U - Rotary solid material conveying device with nozzle blade capable of intelligently cleaning blocking - Google Patents
Rotary solid material conveying device with nozzle blade capable of intelligently cleaning blocking Download PDFInfo
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- CN202848422U CN202848422U CN 201220289952 CN201220289952U CN202848422U CN 202848422 U CN202848422 U CN 202848422U CN 201220289952 CN201220289952 CN 201220289952 CN 201220289952 U CN201220289952 U CN 201220289952U CN 202848422 U CN202848422 U CN 202848422U
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- blade
- nozzle
- blanking section
- bottom blanking
- inwall
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Abstract
The utility model discloses solid material conveying equipment which comprises at least one cone-shaped hopper. The cone-shaped hopper comprises an upper portion material loading segment and a lower portion discharging segment, the lower portion discharging segment is provided with a blade, a certain gap is arranged between the blade and the inner wall of the lower portion discharging segment, the blade is connected with a rotating shaft and rotates through the rotating shaft, and the blade is provided with a nozzle which can spray gas toward the inner wall of the lower portion discharging segment. The equipment improves anti-blocking efficiency and reduces energy consumption.
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 and bottom blanking section inwall have a fixed gap, blade is connected with S. A., and by the S. A. rotation, 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 S. A., can only start S. A., also can start simultaneously the nozzle of S. A. and blade.Also can only start all the time S. A., also can start simultaneously all the time the nozzle of S. A. and blade
According to the character of powder material the condition of startup is set, 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.
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.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.Blade 4 is connected with S. A. 3, rotates by S. A..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 S. A. 3; When starting S. A. 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 S. A. 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％ | 85％ | 70％ | 95％ | 110％ |
Wherein 0.1% space pressure sensor when testing is for the third 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 S. A. 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 | |
|
| Energy consumption | 100％ | 95％ |
As can be seen from the table, the nozzle that starts on the blade in blade rotation can reduce anti-blocking energy consumption.
Embodiment 3:
Take fine coal as example, when flow drop to normal discharge 70% the time start S. A. 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 S. A. 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 S. A. 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％ | 95％ | 90％ | 100％ |
As can be seen from the table, start 70% 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 (14)
1. the nozzle blade that contains of an intelligent block clearing rotates 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 and bottom blanking section inwall have a fixed gap, blade is connected with S. A., and by the S. A. rotation, 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 1 or 2, the space of blade and bottom blanking section inwall accounts for the 0.3%-10% of bottom blanking section inwall radius.
4. device as claimed in claim 3, the space of blade and bottom blanking section inwall accounts for the 1.0%-6.6% of bottom blanking section inwall radius.
5. device as claimed in claim 3, the space of blade and bottom blanking section inwall accounts for the 1.6%-3.3% of bottom blanking section inwall radius.
6. device as claimed in claim 1 or 2, its Leaf is identical everywhere with the space of bottom blanking section inwall.
7. device as claimed in claim 1 or 2, the space of its Leaf and bottom blanking section inwall reduces from top to bottom gradually.
8. device as claimed in claim 1 or 2, wherein blade plan form in the shape of a spiral, straight tabular or swash plate shape.
9. device as claimed in claim 1 or 2, the nozzle Jet with downward flow direction gas on its Leaf.
10. device as claimed in claim 9, the nozzle on the blade and horizontal sextant angle are 15-95 °.
11. device as claimed in claim 10, the nozzle on the blade and horizontal sextant angle are 45-90 °.
12. device as claimed in claim 10, the nozzle on the blade and horizontal sextant angle are 55-75 °.
13. device as claimed in claim 10, the nozzle on the blade and horizontal sextant angle are 75 °.
14. device as claimed in claim 1 or 2, wherein the outlet section in bottom blanking section has flow measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220289952 CN202848422U (en) | 2012-06-19 | 2012-06-19 | Rotary solid material conveying device with nozzle blade capable of intelligently cleaning blocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220289952 CN202848422U (en) | 2012-06-19 | 2012-06-19 | Rotary solid material conveying device with nozzle blade capable of intelligently cleaning blocking |
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| Publication Number | Publication Date |
|---|---|
| CN202848422U true CN202848422U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220289952 Expired - Fee Related CN202848422U (en) | 2012-06-19 | 2012-06-19 | Rotary solid material conveying device with nozzle blade capable of intelligently cleaning blocking |
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| CN (1) | CN202848422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897447A (en) * | 2012-06-19 | 2013-01-30 | 程晓堂 | Intelligent block-removing rotating solid material conveying device with nozzles and blades |
-
2012
- 2012-06-19 CN CN 201220289952 patent/CN202848422U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897447A (en) * | 2012-06-19 | 2013-01-30 | 程晓堂 | Intelligent block-removing rotating solid material conveying device with nozzles and blades |
| CN102897447B (en) * | 2012-06-19 | 2014-05-07 | 程晓堂 | Intelligent block-removing rotating solid material conveying device with nozzles and blades |
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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: 20130906 |
|
| 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: 20130906 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 |