CN201028545Y - Air-cooling dry residue transveyer - Google Patents
Air-cooling dry residue transveyer Download PDFInfo
- Publication number
- CN201028545Y CN201028545Y CNU2006201179541U CN200620117954U CN201028545Y CN 201028545 Y CN201028545 Y CN 201028545Y CN U2006201179541 U CNU2006201179541 U CN U2006201179541U CN 200620117954 U CN200620117954 U CN 200620117954U CN 201028545 Y CN201028545 Y CN 201028545Y
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- slag
- air
- boiler
- conveyer
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Abstract
The utility model relates to an air cooling dry slag conveyor, containing a slag well, a mechanical seal, a casing, an overflow resistant and high temperature conveyer belt, a cleaning device and a hydraulic tensioner with a mechanical protection, wherein, the horizontal section which collects slag at the bottom of a boiler is connected to the slag well at the boiler bottom through the mechanical seal; the utility model can directly transports slag into a slag storage bin with a relatively large climbing angle; a high temperature resistant conveyer belt has an overflow proof baffle; the top of the conveyor has an air inlet door and a side air door which can adjust air quantity; an air door is positioned at the tail of the air cooling dry slag conveyor in order to even the air inlet from the front and the rear of the slag well and reduce the loss of the radiant heat of the boiler. Thus the utility model enhances the operation reliability of the system and the thermal efficiency of the boiler.
Description
Technical field
The utility model belongs to large-scale power station coal-burning boiler dry ash extraction furnace bottom slag residue extraction mechanism, and what be specifically related to is the air-cooled dried slag conveyer that boiler slag removal cooling and conveying are integrated.
Background technology
At present, the deslagging mode of most of station boilers of China and Industrial Boiler all adopts the water sluice system, by dragveyer slag is pulled out.The slag that boiler is discharged is through having changed the performance of slag after the water cooling; need a large amount of water simultaneously; cause a large amount of discharge of wastewater, waste water resource, contaminated environment, the purpose of this utility model just provide a kind of air-cooled dried slag conveyer of saving water and energy, protecting environment, improve ash comprehensive utilization.
At present, original air-cooled dried slag conveyer has following deficiency both at home and abroad:
1. air-cooled dried slag conveyer outlet needs to adopt strength or other plant equipment that slag is delivered to slag storehouse 5.Present technique is with air-cooled dried slag conveyer slag directly to be delivered to slag storehouse 5.
2. for absorbing boiler cold-state, adopt water-stop between the slag well 2 on air-cooled dried slag conveyer top and the boiler to hot swell increment.
Present technique adopts mechanical seal 1.
3. when air-cooled dried slag conveyer oblique ascension section angle was spent greater than 30, air-cooled slag drying machine was failed the slag difficulty.
Present technique is provided with anti-overflow baffle plate 12 with air-cooled slag drying machine conveyer belt, makes greater than 30 degree inclination angle transportation problems to be solved.
4. air-cooled dried slag conveyor head air intake cooled slag because large-scale power station slag well truncation surface is bigger, causes inlet section, slag well front and back even, influences the cooling effect of slag.
This air-cooled dried slag conveyer adopts head, afterbody air intake mode simultaneously, has solved the uniform problem in slag well inlet section.
5. air-cooled dried slag conveyer cold conditions is bigger to hot shaping, has adopted the hydraulic tensioning technology, but if hydraulic tensioning inefficacy meeting causes damage to air-cooled dried slag conveyer, can't operate as normal.
Present technique is that the hydraulic tensioning of air-cooled dried slag conveyer is provided with Machine guarding, and when hydraulic tensioning lost efficacy, air-cooled dried slag conveyer still can operate as normal.
Summary of the invention
The purpose of the utility model patent is to improve the deficiency of existing air-cooled dried slag conveyer technology, provide a kind of can with the supporting air-cooled dried slag conveyer of coal burning boiler of power station.
The purpose of the utility model patent is achieved by the following technical solution:
This air-cooled dried slag conveyer, comprise the mechanical seal 1 of slag well 2 and dried slag conveyer, housing 10, anti-overflow high temperature-resistance conveyor belt 4, clearing apparatus 6, the Hydranlic tensioner of band mechanical protection, it is characterized in that carrying boiler slag removal cooling and conveying to be integrated, directly slag is delivered to slag storehouse 5, thereby the slag drying machine overall dimensions are bigger, rice surplus length can reach 60, new line is up to more than 18 meters, about the degree of inclination angle 35, compare, do not need to establish subsequent delivery system and equipment with other system in the past, save great deal of investment, system is simple, and conveying process is few, is suitable for large electric power plant station (600MW～1000MW unit);
For absorbing boiler cold-state to hot swell increment, the horizontal segment that connects slag at boiler bottom adopts mechanical seal 1 to be connected with the slag well 2 of boiler bottom, mechanical seal 1 mainly contains high temperature resistant filler 14, high-temperature flexible fabric 15 and the sideboard 16 of the absorbable expansion amount that matches and fixed dam 17 are formed, and not re-using water is sealing medium;
Anti-overflow high temperature-resistance conveyor belt 4 is made up of stainless (steel) wire 18, stainless steel lock 19 and anti-overflow baffle plate 12, is provided with anti-overflow baffle plate 12 on anti-overflow high temperature-resistance conveyor belt 4, and slag can be carried to higher slag storehouse 5 under the situation of wide-angle;
Be provided with shutter 7 at air-cooled dried slag conveyer afterbody, form by air inlet guard 21, axle 22 and active catch aerofoil 20, the setting of afterbody shutter, balance enter boiler furnace (slag well 2) air quantity, make that slag well 2 front and back air intakes are even, reduce the boiler hot radiation loss, improved boiler efficiency;
Hydraulic tensioning is provided with Machine guarding, is made up of screw mandrel 23, nut 24, hydraulic tensioning support 25 and locking supporting seat, in hydraulic system fails, can protect by the self-starter tool, makes the security of system reliability service.
The utlity model has following advantage:
1. boiler slag removal cooling and conveying are integrated, and slag is directly sent into the slag storehouse, do not need to establish subsequent delivery system and equipment, and system is simple, and conveying process is few, save the corollary equipment investment;
2. the boiler bottom horizontal segment that connects slag adopts mechanical seal to be connected with boiler bottom slag well, and not re-using water is sealing medium, economizes on water, environmental protection;
3. the anti-overflow high temperature-resistance conveyor belt is provided with the anti-overflow baffle plate, and slag can be carried to higher slag storehouse under the situation of wide-angle;
4. dried slag conveyer afterbody is provided with shutter, balance enter boiler furnace (the slag well) air quantity, make that air intake is even before and after the slag well, reduced the boiler hot radiation loss, improved boiler efficiency;
5. hydraulic tensioning is provided with mechanical protection, can the self-starter tool in hydraulic system fails protection, make the security of system reliability service;
Description of drawings
Embodiment of the present utility model respectively schemes referring to following:
Figure one is the direct slag input of an air-cooled dried slag conveyer storehouse system diagram;
Figure two is air-cooled dried slag conveyer outline drawing;
Figure three be figure two A-A to view;
Figure four is the mechanical seal detail drawing;
Figure five is afterbody air door figure;
Figure six is the high temperature-resistance conveyor belt figure of band anti-overflow plate;
Figure seven is the mechanical interlocking figure of Hydranlic tensioner.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in the figure, boiler slag removal cooling and conveying are integrated, and slag is directly sent into slag storehouse 5, and system is simple, and conveying process is few; The horizontal segment that connects slag at boiler bottom adopts mechanical seal 1 to be connected with boiler bottom slag well 2; On anti-overflow high temperature-resistance conveyor belt 4, be provided with anti-overflow baffle plate 12; Be provided with shutter 7 at dried slag conveyer afterbody; Hydraulic tensioning is provided with mechanical protection.
High temperature sludge is fallen from boiler on the anti-overflow high temperature-resistance conveyor belt 4, cooling and outwards conveying on anti-overflow high temperature-resistance conveyor belt 4, extraneous cold wind enters dried slag conveyer through the adjustable shutter 11 in top, afterbody shutter 7 and side shutter 13, carries out heat exchange with warm sludge.Warm sludge is along with the motion of anti-overflow high temperature-resistance conveyor belt 4 is cooled off gradually, dried slag conveyor head has very big lifting angle, the anti-overflow baffle plate 12 that prevents the slag landing is arranged on anti-overflow high temperature-resistance conveyor belt 4, prevent slag with anti-overflow high temperature-resistance conveyor belt 4 climb and landing.The slag that is cooled falls into slag storehouse 5 through anti-overflow high temperature-resistance conveyor belt 4, behind manually insertion plate door 27, electronic insertion plate door 28, electronic batcher 31 respectively by dry ash machine 30 in bulk and wetting stirrer 29 dischargings, after automobile 32 is transported to ash and user.
Described air-cooled dried slag conveyer connects slag at boiler bottom horizontal segment adopts mechanical seal 1 to be connected with the slag well 2 of boiler bottom, mechanical seal 1 mainly contains high temperature resistant filler 14, high-temperature flexible fabric 15 and the sideboard 16 of the absorbable expansion amount that matches and fixed dam 17 are formed, and not re-using water is sealing medium.
Carry boiler slag removal cooling and conveying to be integrated, thereby the slag drying machine overall dimensions are bigger, rice surplus length can reach 60 comes back up to more than 18 meters, about 35 degree of inclination angle.
Anti-overflow high temperature-resistance conveyor belt 4 is provided with anti-overflow baffle plate 12, and slag can be carried to higher slag storehouse 5 under the situation of wide-angle; Be provided with shutter 7 at dried slag conveyer afterbody, balance enter boiler furnace (slag well 2) air quantity, make that slag well 2 front and back air intakes are even, reduced the boiler hot radiation loss, improved boiler efficiency.
When being heated, anti-overflow high temperature-resistance conveyor belt 4 expands when swollen; Hydranlic tensioner can be regulated automatically; hydraulic means is furnished with mechanical protection; when hydraulic tensioning is adjusted to correct position; manually nut 24 is revolved the relevant position that stays in locking tensioning screw mandrel 23; in case hydraulic system lost efficacy because of a variety of causes, mechanical protection will work, and makes Hydranlic tensioner be in the reliability service state all the time.
Claims (6)
1. air-cooled dried slag conveyer, comprise the mechanical seal (1), housing (10), anti-overflow high temperature-resistance conveyor belt (4), clearing apparatus (6) of slag well and air-cooled dried slag conveyer, the Hydranlic tensioner (9) of band mechanical protection, cleaning chain tension means (8), it is characterized in that boiler slag removal cooling and conveying are integrated, slag is directly sent into slag storehouse (5), and the horizontal segment that connects slag at boiler bottom adopts mechanical seal (1) to be connected with boiler bottom slag well (2); On anti-overflow high temperature-resistance conveyor belt (4), be provided with anti-overflow baffle plate (12); Be provided with shutter (7) at dried slag conveyer afterbody.
2. air-cooled dried slag conveyer according to claim 1 is characterized in that air-cooled dried slag conveyer (3) directly sends into slag slag storehouse (5), and dried slag conveyer overall dimensions are bigger, and rice surplus length can reach 60 comes back up to more than 18 meters, about 35 degree of inclination angle.
3. air-cooled dried slag conveyer according to claim 1, it is characterized in that the horizontal segment that connects slag at boiler bottom adopts mechanical seal (1) to be connected with the slag well (2) of boiler bottom, mechanical seal (1) mainly contains high temperature resistant filler (14), high-temperature flexible fabric (15) and the sideboard (16) of the absorbable expansion amount that matches and fixed dam (17) are formed, and not re-using water is sealing medium.
4. air-cooled dried slag conveyer according to claim 2 is characterized in that angled conveyor can reach about 35 degree, is provided with the anti-overflow baffle plate (12) of anti-slip on the high temperature resistant conveying steel band of anti-overflow (4).
5. air-cooled dried slag conveyer according to claim 1 is characterized in that this air-cooled dried slag conveyer is provided with air inlet (7) at afterbody, and air inlet is made up of air inlet guard (21), axle (22) and active catch aerofoil (20).
6. air-cooled dried slag conveyer according to claim 1 is characterized in that trunk slag conveyer stern roll employing hydraulic tensioning and is provided with by hydraulic support (25), locking screw mandrel (23), nut (24) and locking support seat (26) etc. forming Machine guarding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201179541U CN201028545Y (en) | 2006-05-31 | 2006-05-31 | Air-cooling dry residue transveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201179541U CN201028545Y (en) | 2006-05-31 | 2006-05-31 | Air-cooling dry residue transveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201028545Y true CN201028545Y (en) | 2008-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201179541U Expired - Lifetime CN201028545Y (en) | 2006-05-31 | 2006-05-31 | Air-cooling dry residue transveyer |
Country Status (1)
| Country | Link |
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| CN (1) | CN201028545Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858603A (en) * | 2010-05-20 | 2010-10-13 | 杭州华源电力环境工程有限公司 | Slag drying machine with air door automatic regulating device |
| CN102954478A (en) * | 2012-12-12 | 2013-03-06 | 中国电力工程顾问集团华东电力设计院 | Air-water combined cooling dry slagging method and system of pulverized coal boiler |
| CN102966964A (en) * | 2012-12-10 | 2013-03-13 | 南京通用电气装备有限公司 | Ash-discharging and air-locking system for air cooling dry slag extractor |
| CN101660760B (en) * | 2009-05-20 | 2013-04-03 | 北京国电富通科技发展有限责任公司 | Dry-type slag-conveying device |
| CN103742930A (en) * | 2014-01-13 | 2014-04-23 | 福建龙净环保股份有限公司 | Dry-type slag extractor and sweeping chain device thereof |
| CN104428592A (en) * | 2012-07-20 | 2015-03-18 | 马迦迪工业有限公司 | Plant for dry conveying of slag and / or heterogenous materials |
| CN107120643A (en) * | 2017-06-13 | 2017-09-01 | 中国华电科工集团有限公司 | A kind of CFBB slag storage is deposited and discharge system |
| CN108421961A (en) * | 2018-05-21 | 2018-08-21 | 重庆瑞通精工科技股份有限公司 | Die casting processing equipment and system |
| CN111649347A (en) * | 2020-06-19 | 2020-09-11 | 陕西科技大学 | Environment-friendly automatic slag discharging device for decoupling coal-fired hot-blast stove |
-
2006
- 2006-05-31 CN CNU2006201179541U patent/CN201028545Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660760B (en) * | 2009-05-20 | 2013-04-03 | 北京国电富通科技发展有限责任公司 | Dry-type slag-conveying device |
| CN101858603A (en) * | 2010-05-20 | 2010-10-13 | 杭州华源电力环境工程有限公司 | Slag drying machine with air door automatic regulating device |
| CN104428592A (en) * | 2012-07-20 | 2015-03-18 | 马迦迪工业有限公司 | Plant for dry conveying of slag and / or heterogenous materials |
| CN104428592B (en) * | 2012-07-20 | 2018-05-08 | 马迦迪工业有限公司 | The equipment that clinker and/or alloplastic materials are transported for dry type |
| CN102966964B (en) * | 2012-12-10 | 2015-04-22 | 南京通用电气装备有限公司 | Ash-discharging and air-locking system for air cooling dry slag extractor |
| CN102966964A (en) * | 2012-12-10 | 2013-03-13 | 南京通用电气装备有限公司 | Ash-discharging and air-locking system for air cooling dry slag extractor |
| CN102954478B (en) * | 2012-12-12 | 2015-11-25 | 中国电力工程顾问集团华东电力设计院有限公司 | A kind of dry Slagoff method of the wind and water combined cooling of pulverized-coal fired boiler and system |
| CN102954478A (en) * | 2012-12-12 | 2013-03-06 | 中国电力工程顾问集团华东电力设计院 | Air-water combined cooling dry slagging method and system of pulverized coal boiler |
| CN103742930A (en) * | 2014-01-13 | 2014-04-23 | 福建龙净环保股份有限公司 | Dry-type slag extractor and sweeping chain device thereof |
| CN103742930B (en) * | 2014-01-13 | 2016-05-04 | 福建龙净环保股份有限公司 | A kind of dry-type slag extractor and cleaning chain apparatus thereof |
| CN107120643A (en) * | 2017-06-13 | 2017-09-01 | 中国华电科工集团有限公司 | A kind of CFBB slag storage is deposited and discharge system |
| CN108421961A (en) * | 2018-05-21 | 2018-08-21 | 重庆瑞通精工科技股份有限公司 | Die casting processing equipment and system |
| CN111649347A (en) * | 2020-06-19 | 2020-09-11 | 陕西科技大学 | Environment-friendly automatic slag discharging device for decoupling coal-fired hot-blast stove |
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| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhao Yang Document name: Correction notice |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080227 |
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| EXPY | Termination of patent right or utility model |