CN103939916A - Garbage incinerator feeding device having water-cooling and fire-fighting functions - Google Patents
Garbage incinerator feeding device having water-cooling and fire-fighting functions Download PDFInfo
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- CN103939916A CN103939916A CN201410203112.7A CN201410203112A CN103939916A CN 103939916 A CN103939916 A CN 103939916A CN 201410203112 A CN201410203112 A CN 201410203112A CN 103939916 A CN103939916 A CN 103939916A
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Abstract
The invention discloses a garbage incinerator feeding device having water-cooling and fire-fighting functions. The garbage incinerator feeding device comprises a feeding hopper and a blanking chute, wherein a sealed isolation door device is arranged at the feeding end of the blanking chute, an upper half section and a lower half section of the blanking chute are connected through an expansion joint, and the lower half section of the blanking chute is a water jacket containing circulating cooling water. The blanking chute and the feeding hoper are provided with temperature detecting devices and water spraying suppression devices. The water jacket can absorb heat radiation energy produced during combustion of high heating value garbage in an incinerator, reduce the temperatures of the blanking chute and a feeding platform and protect the blanking chute and the feeding platform against high-temperature damage. In addition, the water jacket can further reduce the temperature of the garbage in the blanking chute and prevent the heat radiated by the incinerator from enabling the temperature of the garbage in the water jacket to rise. The temperature detecting devices and the water spraying suppression devices can prevent fire disaster accidents caused by accidental garbage combustion of the garbage in the feeding device, and the working safety is good.
Description
Technical field
The present invention relates to a kind of incinerator, particularly a kind of feed arrangement of incinerator.
Background technology
House refuse mechanical grate incinerator improves reliable because of its technology, treatment scale is large, and operation maintenance is convenient, the high heating value rubbish lower to moisture content, or the higher waste of low heating value of moisture content all has stronger adaptive capacity, be now widely used in consumer waste incineration process field.Different with motion mode according to the structure of fire grate, the form of consumer waste incineration mechanical grate incinerator is varied, but incineration firing processing procedure is basic identical: house refuse is transported to the rubbish storage pool fermentation of incineration plant, send in stokehold feed hopper and chute with grab bucket again, dispenser by chute bottom is advanced into rubbish on fire grate, rubbish is along with the operation of fire grate moves forward, and mix, stir with the hot-air entering from fire grate bottom, thereby be able to preheating, be dried, burn until burn, the slag after burning is removed by deslagging device.In order to realize whole burning process process, mechanical grate incinerator is provided with the structures such as feed arrangement, dispenser, fire grate, burner hearth and lime-ash liquid receiving system.
The feed arrangement of mechanical grate incinerator mainly comprises feed hopper and chute, feed hopper and chute are responsible for conveying garbage to feed platform, and store the stock column of certain altitude, guarantee that the burner hearth high-temperature flue gas that incineration firing produces does not escape, and outside air is not scurried into burner hearth; And between feed hopper and chute, be provided with seal isolation door gear when opening stove, prevent escaping of hot-air, or in combustion process, rubbish is built bridge and caused that flame alters outward.
Feed arrangement is except having above-mentioned sealing function, and feed arrangement most important functions is to ensure that incinerator continues smooth and easy feed.To this, in GB/T 18750-2008, there is clear and definite requirement: (1) feed hopper width dimensions should be greater than the full-size that garbage grab bucket launches, ensure that garbage energy enters feed hopper smoothly; (2) require the axis of feed hopper and chute to have rational inclination angle.Due to component of refuse complexity, quality is inhomogeneous, the rubbish that contains hardware and building, and poor fluidity, for preventing stopping up or build bridge, the size at angle of inclination is very important.Angle too small, in rubbish, bulk object can directly be pounded on dispenser platform, damages dispenser; Angle is excessive, and rubbish flows bad, and not blanking occurs to stop up to build bridge.(3) chute should have enough capacity; (4) chute bottom is connected with incinerator burner hearth, and heat radiation is higher, requires chute bottom that the structure of opposing high temperature is set, and prevents malformation, and causing cannot feed.
For the 4th kind of situation, in GB/T 18750-2008, also have specific requirement, in the time that the low heat valve of rubbish is less than 6.38MJ/kg, chute bottom internal layer arranges flame retardant coating, reduces the distortion of heat loss and structure.And in the time that the low heat valve of rubbish is not less than 6.38MJ/kg, chute bottom just should arrange cooling device.
Because high heating value rubbish water content is low, easy firing, release heat be high, rubbish shortens at incineration furnace grate drying time, in advance, the front-end temperature of incinerator burner hearth is high in burning, heat radiation energy is large, this is very serious to the heat affecting of the feed arrangement being connected with burner hearth.But only arranging refractory material, the chute bottom of existing feed arrangement not only can not absorb unnecessary heat, resist heat radiation impact, store on the contrary a large amount of heats, can be very easy to allow high heating value incineration firing on feed platform, cause in feed arrangement and catch fire, infringement dispenser and feed arrangement body construction, when serious, incineration firing can upwards fire from chute bottom feed hopper always, and rubbish in the outside dump pit that even ignites, causes catastrophic failure.
Summary of the invention
In view of this, the object of this invention is to provide a kind of feeding device for garbage destructor with water-cooled and fire-fighting function, to solve the heat radiation impact of high heating value incineration firing on feed arrangement, the problem that rubbish burns in feed arrangement.
The feeding device for garbage destructor of band water-cooled of the present invention and fire-fighting function, comprise feed hopper and the feeding chute being connected with feed hopper discharging opening, the feed end of described feeding chute is provided with seal isolation door gear, between the upper semisection of described feeding chute and lower semisection, connect by expansion joint, and the lower semisection of described feeding chute is the water collar that is provided with recirculated cooling water.
Further, the lower semisection of described feeding chute is provided with the cooling-water temperature sensor that detects cooling water temperature in water collar.
Further, on the inwall of described water collar, be provided with wearing plate.
Further, described feeding chute is obliquely installed, and the center line of feeding chute and vertical direction are the angle of 9～10 °.
Further, the cross section of described feeding chute lower semisection increases from top to bottom gradually, and the bottom of feeding chute lower semisection is to burner hearth side transverse fold.
Further, on the lower semisection of described feeding chute, be provided with the first temperature-detecting device and the first sprinkling extinguishing device that detect rubbish temperature.
Further, on the upper semisection of described feeding chute, be provided with the second temperature-detecting device and the second sprinkling extinguishing device that detect rubbish temperature.
Further, on described feed hopper, be provided with the 3rd temperature-detecting device and the 3rd sprinkling extinguishing device that detect rubbish temperature.
Further, described the 3rd temperature-detecting device and the 3rd sprinkling extinguishing device are arranged at the discharging oral area of feed hopper.
Further, the described feeding device for garbage destructor with water-cooled and fire-fighting function also comprises the high charge level checkout gear that is arranged on feed hopper, is arranged on the low material-level detecting device on feeding chute top and is arranged on the low material-level detecting device at feeding chute middle part.
Beneficial effect of the present invention:
1, the feeding device for garbage destructor of band water-cooled of the present invention and fire-fighting function, its water collar can absorb the heat radiation energy that in incinerator, high heating value incineration firing produces, reduce the temperature of feeding chute and feed platform, can protect feeding chute and feed platform to avoid being damaged by high temperature; Water collar also can be lowered the temperature to the rubbish in feeding chute simultaneously, can avoid the heat of incinerator radiation to make the rubbish intensification burning in water collar; Its expansion joint can absorb the thermal expansion amount of feeding chute, can avoid feeding chute because of the damage of expanding with heat and contract with cold.
2, the feeding device for garbage destructor of band water-cooled of the present invention and fire-fighting function, its seal isolation door gear can be avoided opening, the escaping of hot-air when blowing out, also can prevent from feeding chute that rubbish surprisingly burns simultaneously to cause that flame scurries into feed hopper.
3, the feeding device for garbage destructor of band water-cooled of the present invention and fire-fighting function, the height of its feeding chute can store enough rubbish, forms stock column, guarantees that burner hearth high-temperature flue gas that incineration firing produces does not escape with it cold outside air to scurry into burner hearth.
4, the feeding device for garbage destructor of band water-cooled of the present invention and fire-fighting function, the temperature-detecting device of its setting and can avoid the incineration firing in feed arrangement to cause fire incident with the supporting sprinkling extinguishing device of temperature-detecting device, job security is good.
5, the feeding device for garbage destructor of band water-cooled of the present invention and fire-fighting function, the material-level detecting device of its setting can detect the quantity of refuse in feed hopper and feeding chute, can remind in time operator feed in raw material and stop feeding in raw material.
Brief description of the drawings
Fig. 1 is the sectional structure schematic diagram of the feeding device for garbage destructor of band water-cooled of the present invention and fire-fighting function.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in the figure, the feeding device for garbage destructor of the present embodiment band water-cooled and fire-fighting function, comprise feed hopper 1 and the feeding chute 2 being connected with feed hopper discharging opening, the feed end of described feeding chute 2 is provided with seal isolation door gear 3, between the upper semisection 201 of described feeding chute 2 and lower semisection 202, connect by expansion joint 4, and the lower semisection 202 of described feeding chute 2 is for being provided with the water collar of recirculated cooling water.
The feeding device for garbage destructor of the present embodiment band water-cooled and fire-fighting function, its water collar can absorb the heat radiation energy that in incinerator, high heating value incineration firing produces, reduce the temperature of feeding chute 2 and feed platform 5, can protect feeding chute 2 and feed platform 5 to avoid being damaged by high temperature; Water collar also can be lowered the temperature to the rubbish in feeding chute 2 simultaneously, can avoid the heat of incinerator radiation to make the rubbish intensification burning in feeding chute 2.
The feeding device for garbage destructor of the present embodiment band water-cooled and fire-fighting function, its seal isolation door gear 3 can be avoided opening, hot-air escapes when blowing out, also can prevent feeding chute 2 interior incineration firing time, flame is scurried into feed hopper 1 simultaneously, can avoid leading to larger fire incident; In concrete enforcement, seal isolation door gear 3 can be made up of the power set that are hinged on the door-plate of feeding chute 2 feed ends and drive door-plate to rotate, and seal isolation door gear 3 also can be valving certainly.
The feeding device for garbage destructor of the present embodiment band water-cooled and fire-fighting function, the rubbish stock column of its feeding chute 2 interior formation, can guarantee that burner hearth high-temperature flue gas that incineration firing produces does not escape with it cold outside air to scurry into burner hearth.
As the improvement to the present embodiment, on the lower semisection 202 of described feeding chute 2, be provided with the cooling-water temperature sensor 6 that detects cooling water temperature in water collar, in the time that cooling-water temperature sensor 6 detects that cooling water temperature in water collar exceedes setting value, water collar starts to carry out water circulation, add cooling water, emit hot water, until the cooling water temperature in water collar drops to setting, to ensure that water collar normally works.
As the improvement to the present embodiment, on the inwall of described water collar, be provided with wearing plate 7, wearing plate 7 can be resisted the fretting wear of rubbish to water collar, protection water collar structure.
As the improvement to the present embodiment, described feeding chute 2 is obliquely installed, and the center line of feeding chute 2 and vertical direction are 9 ° of angles, certainly the center line of feeding chute 2 and the angle of vertical direction also can be other value within the scope of 9～10 °, can according to circumstances select, this is implemented definite angle and can be avoided rubbish vertically to hurtle down damaging feed platform 5, can ensure that rubbish can not cause because feeding chute 2 angles of inclination are excessive smooth the and feeding chute obstruction of blanking simultaneously.
As the improvement to the present embodiment, the cross section of the lower semisection 202 of described feeding chute 2 increases from top to bottom gradually, and the bottom of the lower semisection 202 of feeding chute is to burner hearth side transverse fold, this improvement can further guarantee that feed platform 5 sends rubbish into burner hearth smoothly, has avoided the generation of rubbish arch formation.
As the improvement to the present embodiment, on the lower semisection 202 of described feeding chute 2, be provided with the first temperature-detecting device 8 and the first sprinkling extinguishing device 9 that detect rubbish temperature, in the time that the first temperature-detecting device detects that rubbish temperature exceedes setting value, control system is just controlled the first sprinkling extinguishing device 9 to rubbish spray, can avoid incineration firing to cause fire.
As the improvement to the present embodiment, on the upper semisection 201 of described feeding chute 2, be provided with the second temperature-detecting device 10 and the second sprinkling extinguishing device 11 that detect rubbish temperature, in the time that the second temperature-detecting device detects that rubbish temperature exceedes setting value, control system is just controlled the second sprinkling extinguishing device 11 to rubbish spray, can avoid incineration firing to cause fire.
As the improvement to the present embodiment, on described feed hopper 1, be provided with the 3rd temperature-detecting device 12 and the 3rd sprinkling extinguishing device 13 that detect rubbish temperature, in the time that the 3rd temperature-detecting device 12 detects that rubbish temperature exceedes setting value, control system is just controlled the 3rd sprinkling extinguishing device 13 to rubbish spray, can avoid the interior incineration firing of feed hopper 1 to cause fire.
As the improvement to the present embodiment, described the 3rd temperature-detecting device 12 and the 3rd sprinkling extinguishing device 13 are arranged at the discharging oral area of feed hopper 1, are arranged on discharging oral area and can put out by water more timely the rubbish of burning.
As the improvement to the present embodiment, this feeding device for garbage destructor with water-cooled and fire-fighting function also comprises the high charge level checkout gear 14 that is arranged on feed hopper 1, be arranged on the low material-level detecting device 15 on feeding chute 2 tops and be arranged on the low material-level detecting device 16 at feeding chute 2 middle parts; In the time that high charge level checkout gear 12 detects that rubbish reaches high charge level, control system is just controlled and is stopped to the interior feed of feed hopper 1; In the time that low material-level detecting device 15 detects that rubbish reaches low material level, warning device just sends alarm signal, reminds operator should accelerate to add fuel; In the time that low material-level detecting device 16 detects that rubbish reaches low material level, warning device sends alarm signal, and control system is controlled dispenser 17 simultaneously and continued to fire grate pusher, until low material level signal relief.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. the feeding device for garbage destructor with water-cooled and fire-fighting function, it is characterized in that: comprise feed hopper and the feeding chute being connected with feed hopper discharging opening, the feed end of described feeding chute is provided with seal isolation door gear, between the upper semisection of described feeding chute and lower semisection, connect by expansion joint, and the lower semisection of described feeding chute is the water collar that is provided with recirculated cooling water.
2. the feeding device for garbage destructor with water-cooled and fire-fighting function according to claim 1, is characterized in that: the lower semisection of described feeding chute is provided with the cooling-water temperature sensor that detects cooling water temperature in water collar.
3. the feeding device for garbage destructor with water-cooled and fire-fighting function according to claim 1, is characterized in that: on the inwall of described water collar, be provided with wearing plate.
4. the feeding device for garbage destructor with water-cooled and fire-fighting function according to claim 1, is characterized in that: described feeding chute is obliquely installed, and the center line of feeding chute and vertical direction are the angle of 9～10 °.
5. the feeding device for garbage destructor with water-cooled and fire-fighting function according to claim 4, is characterized in that: the cross section of described feeding chute lower semisection increases from top to bottom gradually, and the bottom of feeding chute lower semisection is to burner hearth side transverse fold.
6. according to arbitrary described feeding device for garbage destructor with water-cooled and fire-fighting function in claim 1-5, it is characterized in that: on the lower semisection of described feeding chute, be provided with the first temperature-detecting device and the first sprinkling extinguishing device that detect rubbish temperature.
7. the feeding device for garbage destructor with water-cooled and fire-fighting function according to claim 6, is characterized in that: on the upper semisection of described feeding chute, be provided with the second temperature-detecting device and the second sprinkling extinguishing device that detect rubbish temperature.
8. the feeding device for garbage destructor with water-cooled and fire-fighting function according to claim 7, is characterized in that: on described feed hopper, be provided with the 3rd temperature-detecting device and the 3rd sprinkling extinguishing device that detect rubbish temperature.
9. the feeding device for garbage destructor with water-cooled and fire-fighting function according to claim 8, is characterized in that: described the 3rd temperature-detecting device and the 3rd sprinkling extinguishing device are arranged at the discharging oral area of feed hopper.
10. the feeding device for garbage destructor with water-cooled and fire-fighting function according to claim 1, is characterized in that: also comprise the high charge level checkout gear that is arranged on feed hopper, be arranged on the low material-level detecting device on feeding chute top and be arranged on the low material-level detecting device at feeding chute middle part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410203112.7A CN103939916B (en) | 2014-05-14 | 2014-05-14 | With water-cooled and the feeding device for garbage destructor of fire-fighting function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410203112.7A CN103939916B (en) | 2014-05-14 | 2014-05-14 | With water-cooled and the feeding device for garbage destructor of fire-fighting function |
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| CN103939916A true CN103939916A (en) | 2014-07-23 |
| CN103939916B CN103939916B (en) | 2016-08-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104138781A (en) * | 2014-08-21 | 2014-11-12 | 张家港市艾克沃环境能源技术有限公司 | Solid waste crusher system with fireproof function |
| CN104501180A (en) * | 2014-12-19 | 2015-04-08 | 南通天蓝环保能源成套设备有限公司 | High-tonnage waste incineration and feeding system |
| CN107906533A (en) * | 2017-12-22 | 2018-04-13 | 杭州海陆重工有限公司 | Fluidisation charging gear for fluidized-bed combustion boiler |
| CN111573300A (en) * | 2020-04-20 | 2020-08-25 | 同济大学 | Discharging device for treating barreled waste in household garbage incineration plant |
| CN113048488A (en) * | 2021-04-15 | 2021-06-29 | 重庆三峰卡万塔环境产业有限公司 | Biomass fuel feeding system |
| CN113941218A (en) * | 2020-07-15 | 2022-01-18 | 中冶长天国际工程有限责任公司 | Adsorption tower flue gas leakage-prevention control system, method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107906533A (en) * | 2017-12-22 | 2018-04-13 | 杭州海陆重工有限公司 | Fluidisation charging gear for fluidized-bed combustion boiler |
| CN111573300A (en) * | 2020-04-20 | 2020-08-25 | 同济大学 | Discharging device for treating barreled waste in household garbage incineration plant |
| CN113941218A (en) * | 2020-07-15 | 2022-01-18 | 中冶长天国际工程有限责任公司 | Adsorption tower flue gas leakage-prevention control system, method and device |
| CN113941218B (en) * | 2020-07-15 | 2023-09-29 | 中冶长天国际工程有限责任公司 | Adsorption tower flue gas leakage prevention control system, method and device |
| CN113048488A (en) * | 2021-04-15 | 2021-06-29 | 重庆三峰卡万塔环境产业有限公司 | Biomass fuel feeding system |
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