CN2788034Y - Rotary spray nozzle device for blowing ash in ash bucket of boiler - Google Patents
Rotary spray nozzle device for blowing ash in ash bucket of boiler Download PDFInfo
- Publication number
- CN2788034Y CN2788034Y CN 200520089936 CN200520089936U CN2788034Y CN 2788034 Y CN2788034 Y CN 2788034Y CN 200520089936 CN200520089936 CN 200520089936 CN 200520089936 U CN200520089936 U CN 200520089936U CN 2788034 Y CN2788034 Y CN 2788034Y
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- China
- Prior art keywords
- ash
- boiler
- hollow spindle
- collecting bucket
- air inlet
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Abstract
The utility model relates to a rotary nozzle device for blowing ash in an ash bucket of a boiler, which is used for the ash removal on an electrically dust removing ash collecting bucket of a coal fired boiler to solve the problem that the ash in the ash collecting bucket blocks an ash outlet. The device is composed of a speed reducing motor, a matched gear, a hollow mainshaft, a rotary nozzle, a transition sleeve pipe, a fixed air ingress pipe, o-shaped sealing ring, a rotary mechanism base, an annular ball bearing and a spacing mechanism. Since, the device can clearly blow and remove the deposited ash on four walls and at the points of four corners in the ash collecting bucket, a fault due to the blockage of the ash in the ash collecting bucket can not occur. The rotary nozzle device has the advantages of high ash removing efficiency, time saving, labor saving and obvious economizing effect, and can be widely used for the ash removal on the electrically dust removing ash collecting bucket of the coal fired boiler, particularly the ash removal on a dust removing ash collecting bucket of an electricity generating boiler with firepower.
Description
Technical field: the invention is used for dedusting in the coal-burning boiler electric precipitation flue-dust retainer, prevents that flue-dust retainer from appearring stopping up in dust in flue-dust retainer.
Background technology: at present, the coal-burning boiler dust arrester adopts electrostatic precipitator more, flue-dust retainer, water flushing dedusting, electrostatic precipitator receives dust, when reaching a certain amount of, drop to the flue-dust retainer bottom, take flue-dust retainer out of by current, but produce wet gas in the airtight flue-dust retainer in top, under the effect of wet gas because current make, make dust increase humidity, thereby the viscosity between the increase dust, dust on the easy wall attached to flue-dust retainer, forms and piles up after breaking away from electrostatic precipitator, along with the time increases, ash is cumulative, and flue-dust retainer has been stopped up in stifled exit, lower end of amassing at flue-dust retainer, ashes is no longer fallen, four jiaos of easier dust stratifications in place very easily result in blockage in i.e. not ash discharge, the especially flue-dust retainer.In order to guarantee the daily normal operation of power plant; by running person each flue-dust retainer is checked one by one; as when running into serious obstruction, the worker that only dispatches officers beats the wall of flue-dust retainer with sledgehammer, perhaps shuts down and handles; get rid of plugging fault; its loss is huge, and every boiler is furnished with several flue-dust retainers, many reaches 28 flue-dust retainers; waste time and energy with manually beaing, ash disposal efficient is low.
Summary of the invention: the purpose of the invention provides and a kind ofly is used for coal-burning boiler electric precipitation flue-dust retainer high-effective dust-removing, and avoids boiler ash bucket that plugging fault takes place to blow ash and rotate spout device; The purpose of the invention is achieved through the following technical solutions: the boiler ash bucket blows ash and rotates spout device: it is characterized in that this device is made of reducing motor, supporting gear, hollow spindle, rotation spout, on the reducing motor output shaft output gear is installed, output gear and idler gear engagement, idler gear and master gear engagement, master gear is installed on the hollow spindle, connect through key, rotate spout and be installed on the hollow spindle.
The boiler ash bucket blows ash and rotates spout device: the inlet end at hollow spindle installs and fixes air inlet pipe, and fixedly air inlet pipe is connected with hollow spindle by a transition spool piece, and the seal of O shape fixedly is being installed between air inlet pipe and the transition spool piece.
The boiler ash bucket blows ash and rotates spout device: the rotating mechanism seat is installed on hollow spindle, between rotating mechanism seat and hollow spindle radial ball bearing is installed.
The boiler ash bucket blows ash and rotates spout device: at the rotating mechanism seat and fixedly on the air inlet pipe rotating and limiting mechanism is installed.
The boiler ash bucket blows ash and rotates spout device: rotating and limiting mechanism is made of gripper shoe, appliance mounting panel, connecting rod, limit switch, postive stop baffle, gripper shoe is installed in the rotating mechanism seat respectively and fixedly on the air inlet pipe, appliance mounting panel is installed on the connecting rod, the connecting rod that appliance mounting panel is housed is fixedly mounted on the gripper shoe, limit switch is installed on the appliance mounting panel, and postive stop baffle is installed on the transition spool piece.
The advantage of the invention: be installed on the wall of electric precipitation flue-dust retainer when the boiler ash bucket being blown ash rotation spout device, rotate spout and put in flue-dust retainer inside, rotate the inner surface of spout outlet near wall, and Way out is parallel with inner surface, when reducing motor rotates, transmission through gear, the drive hollow spindle rotates, rotate spout and be installed on the hollow spindle, therefore rotate spout and under the drive of hollow spindle, rotate, after gases at high pressure spray from the rotation spout, to remove attached to the dust stratification at wall and four jiaos of places, regulate air velocity as required, reach Ex-all dust stratification purpose, avoided the generation of plugging fault; When the emphasis place needs reinforcement to blow ash, can regulate the limit switch installation site, the rotation spout is stopped at needs the place, blows grey dedusting; Owing to adopted fixedly air inlet pipe and transition spool piece and O shape seal structure, hollow spindle does not lose gases at high pressure when rotating, and guarantees that air-flow has enough pressure and flow velocity, from rotating the spout ejection; Adopt the rotating mechanism seat, be convenient to install; Adopt rotating and limiting mechanism; can adjust the limit switch installation site as required and quantity is installed; make the rotation spout be parked in the place that needs and strengthen the grey dynamics of blowing; eliminate the dust stratification at place, dead angle; make dust be difficult for eliminating the dust plugging fault completely, improved ash disposal efficient attached on the wall of flue-dust retainer and four jiaos of places; eradicated to shut down and got rid of plugging fault, thereby reduction effect is obvious.
Description of drawings:
Fig. 1 is that the boiler ash bucket blows ash rotation spout device structural representation.
The specific embodiment: the boiler ash bucket blows ash and rotates spout device: by reducing motor 6, output gear 7, idler gear 20, master gear 11, hollow spindle 9, rotate spout 21, rotating mechanism seat 8, radial ball bearing 10, position-limit mechanism, fixedly air inlet pipe 5, transition spool piece 12, O shape seal 4 constitute: position-limit mechanism is by gripper shoe 15,16, appliance mounting panel 3, connecting rod 17, limit switch 18, postive stop baffle 19 constitutes; Hollow spindle 9 one ends are installed and are rotated spout 21, rotating mechanism seat 8 is installed in outside at hollow spindle 9, radial ball bearing 10 is installed between rotating mechanism seat 8 and hollow spindle 9, radial ball bearing 10 guarantees that hollow spindle 9 rotates flexibly, the bearing capping is installed at two ends at rotating mechanism seat 8, guarantee to be difficult for into dust in the radial ball bearing, rotating mechanism seat 8 supports hollow spindle 9, and make the ring flange in strap bolt hole in its termination, being convenient to that the boiler ash bucket is blown ash rotation spout device is fixedly mounted on the wall of flue-dust retainer, master gear 11 is installed on another termination of hollow spindle 9, be connected by key with hollow spindle 9, and it is fastening with nut, master gear 11, idler gear 20, output gear 7 engagements, idler gear 20 is installed on the intermediate gear shaft, between idler gear 20 and intermediate gear shaft, bearing is installed, reduce idler gear 20 pivoting frictions, before the installation, rear seal-cover seals bearing, prevent to fall into dust, intermediate gear shaft is installed on the support, support is installed on the rotating mechanism seat 8, output gear 7 is installed on the output shaft of reducing motor 6, transition spool piece 12 of inlet end suit at hollow spindle 9, in transition spool piece 12 endoporus, install and fix air inlet pipe 5, in transition spool piece 12 and fixedly installation O shape seal 4 between the air inlet pipe 5, prevent high pressure gas leakage, with the gripper shoe in the position- limit mechanism 15,16 are installed in rotating mechanism seat 8 respectively and fixedly on the air inlet pipe 5, appliance mounting panel 3 is installed on the connecting rod 17, the connecting rod 17 that appliance mounting panel 3 is housed is installed in gripper shoe 15, on 16, fastening with nut, limit switch 18 is installed on the appliance mounting panel 3, limit switch 18 is installed quantity according to the needs at scene and is installed in position on the appliance mounting panel 3, blow ash to guarantee that significant points is strengthened in the flue-dust retainer, postive stop baffle 19 is installed on the hollow spindle 9, and arrow is the moving direction of indication high-pressure gas flow among the figure.
Working procedure: the boiler ash bucket is blown ash rotate the outside that spout device is installed in the wall of flue-dust retainer, according to on-the-spot needs decision the boiler ash bucket is installed and is blown the quantity that ash rotates spout device, will rotate spout and put in the flue-dust retainer the inside; When rotating, reducing motor passes through output gear, idler gear, master gear drive hollow spindle and rotate, rotate the spout rotation thereby drive, gases at high pressure enter from fixing air inlet pipe, from rotating the spout ejection, to blow off attached to the dust on the flue-dust retainer wall, keypoint part and four jiaos of places are as required, regulate the installation site of limit switch and quantity is installed, and the pressure of adjusting gases at high pressure makes keypoint part and four jiaos of places carry out brute force to blow ash, make it fouling phenomenon not occur, thereby avoided occurring in the flue-dust retainer plugging fault.
Claims (5)
1, the boiler ash bucket blows ash rotation spout device: it is characterized in that this device is made of reducing motor, supporting gear, hollow spindle, rotation spout, on the reducing motor output shaft output gear is installed, output gear and idler gear engagement, idler gear and master gear engagement, master gear is installed on the hollow spindle, connect through key, rotate spout and be installed on the hollow spindle.
2, boiler ash bucket according to claim 1 blows ash rotation spout device: it is characterized in that installing and fixing air inlet pipe at the inlet end of hollow spindle, fixedly air inlet pipe is connected with hollow spindle by a transition spool piece, and the seal of O shape fixedly is being installed between air inlet pipe and the transition spool piece.
3, boiler ash bucket according to claim 1 and 2 blows ash rotation spout device: it is characterized in that the rotating mechanism seat is installed on hollow spindle, between rotating mechanism seat and hollow spindle radial ball bearing is installed.
4, boiler ash bucket according to claim 3 blows ash and rotates spout device: it is characterized in that at the rotating mechanism seat and fixedly on the air inlet pipe rotating and limiting mechanism is installed.
5, boiler ash bucket according to claim 4 blows ash rotation spout device: it is characterized in that rotating and limiting mechanism is made of gripper shoe, appliance mounting panel, connecting rod, limit switch, postive stop baffle, gripper shoe is installed in the rotating mechanism seat respectively and fixedly on the air inlet pipe, appliance mounting panel is installed on the connecting rod, the connecting rod that appliance mounting panel is housed is fixedly mounted on the gripper shoe, limit switch is installed on the appliance mounting panel, and postive stop baffle is installed on the transition spool piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089936 CN2788034Y (en) | 2005-03-30 | 2005-03-30 | Rotary spray nozzle device for blowing ash in ash bucket of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089936 CN2788034Y (en) | 2005-03-30 | 2005-03-30 | Rotary spray nozzle device for blowing ash in ash bucket of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2788034Y true CN2788034Y (en) | 2006-06-14 |
Family
ID=36786329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520089936 Expired - Fee Related CN2788034Y (en) | 2005-03-30 | 2005-03-30 | Rotary spray nozzle device for blowing ash in ash bucket of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2788034Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319861B (en) * | 2008-06-23 | 2010-06-09 | 江苏焱鑫科技集团有限公司 | Novel non-leakage synchronous expansion steam sootblower |
| CN103801474A (en) * | 2014-02-17 | 2014-05-21 | 中山市君禾机电设备有限公司 | Rotary automatic air gun used for cleaning powder spraying room |
| TWI485356B (en) * | 2012-05-29 | 2015-05-21 | Mitsubishi Heavy Ind Plant Construstion Co Ltd | Soot blower in passage and dust recovery apparatus |
| CN110486739A (en) * | 2019-08-15 | 2019-11-22 | 陕西科技大学 | A kind of soot blower rotary head structure |
| CN111076200A (en) * | 2019-11-25 | 2020-04-28 | 内蒙古大唐国际托克托发电有限责任公司 | Boiler hearth soot blowing device and soot blowing method thereof |
-
2005
- 2005-03-30 CN CN 200520089936 patent/CN2788034Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319861B (en) * | 2008-06-23 | 2010-06-09 | 江苏焱鑫科技集团有限公司 | Novel non-leakage synchronous expansion steam sootblower |
| TWI485356B (en) * | 2012-05-29 | 2015-05-21 | Mitsubishi Heavy Ind Plant Construstion Co Ltd | Soot blower in passage and dust recovery apparatus |
| CN103801474A (en) * | 2014-02-17 | 2014-05-21 | 中山市君禾机电设备有限公司 | Rotary automatic air gun used for cleaning powder spraying room |
| CN103801474B (en) * | 2014-02-17 | 2016-06-01 | 中山市君禾机电设备有限公司 | A kind of rotary Automatic air gun for clearing up powder spray booth |
| CN110486739A (en) * | 2019-08-15 | 2019-11-22 | 陕西科技大学 | A kind of soot blower rotary head structure |
| CN111076200A (en) * | 2019-11-25 | 2020-04-28 | 内蒙古大唐国际托克托发电有限责任公司 | Boiler hearth soot blowing device and soot blowing method thereof |
| CN111076200B (en) * | 2019-11-25 | 2024-03-19 | 内蒙古大唐国际托克托发电有限责任公司 | Soot blower of boiler hearth and soot blowing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |