CN205878183U - Grate waste incinerator's mud feeder - Google Patents
Grate waste incinerator's mud feeder Download PDFInfo
- Publication number
- CN205878183U CN205878183U CN201620897185.5U CN201620897185U CN205878183U CN 205878183 U CN205878183 U CN 205878183U CN 201620897185 U CN201620897185 U CN 201620897185U CN 205878183 U CN205878183 U CN 205878183U
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- blanking
- winding
- fire grate
- elephant trunk
- feeding device
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Abstract
The utility model relates to a grate waste incinerator's mud feeder, including screw conveyer, blanking elephant trunk and the female pipe of jetting wind, screw conveyer is horizontal above the grate furnace face arch, and the one end on screw conveyer's upper portion is equipped with and connects the material mouth, and the lower part is equipped with a plurality of blanking mouths along direction of delivery, and every blanking mouth below all is connected with the blanking elephant trunk, the female pipe of jetting wind links to each other with all blanking elephant trunks, provides wind -force for the transport of material in the blanking elephant trunk. Grate waste incinerator's mud feeder has that the feed is even, unblock, the wearing and tearing that do not increase the fire grate segment, do not influence a wind air feed in the stove, helps advantages such as the furnace combustion operating mode is stable.
Description
Technical field
This utility model belongs to the apparatus field of grate furnace fuel supply, particularly relates to the dirt of a kind of fire grate garbage incinerator
Mud charging gear.
Background technology
For promoting that energy-saving and emission-reduction and recycling sludge utilize, house and town and country construction portion, Environmental Protection Department and science and technology
Portion combines formulation " urban wastewater treatment firm specific resistance to filtration and pollution prevention technique policy (trying) ", wherein about mud
Burning is pointed out, the big and medium-sized cities that economy is more flourishing, can use sludge incineration technique.Encourage to use the combination side of anhydration and incineration
Formula, improves the utilization efficiency of heat energy of mud；Sludge incineration factory is encouraged to build jointly with garbage burning factory.
And China's waste incineration industry is through years development, the comparatively perfect of the garbage incineration process based on grate furnace, and
And there is certain scale.There is increasing grate furnace waste incineration project the most in recent years by containing from sewage treatment plant
The wet sludge anhydration of water rate about more than 80%, to after moisture content about 30～50%, uses the side of house refuse and dewatered sludge multifuel combustion
Formula, carries out burning disposal in dewatered sludge is sent into fire grate garbage incinerator as a kind of fuel, and the steam of generation is used for generating electricity,
The flue gas produced is uniformly processed by the smoke eliminator of refuse burning system, reaches what energy-saving and emission-reduction and recycling sludge utilized
Purpose.
The feed-type that dewatered sludge is conventional at present has two kinds, and one is dewatered sludge to be sent into dump pit mix with rubbish
Send in stove by grab bucket, hopper, pusher fire grate；One is that through conveying worm, blanking elephant trunk, dewatered sludge is leaned on self
Gravity single-point feed is sent in hopper, then in pusher fire grate sends into stove.First kind of way dewatered sludge not only can absorb greatly
Amount Leachate site reduces calorific value, and easily falls into an air compartment by the gap of fire grate segment, does not i.e. obtain processing and adding slag
Amount, easily blocking fire grate segment gap, adds the abrasion of fire grate segment, and in easy blocking primary air air holes causes stove, local air feed is not enough,
Affect the combustion conditions in stove.It is transversal that second way dewatered sludge can not fall at whole fire grate in the direction of the width uniformly
On face, and easily blocking conveyance conduit, the layer combustion mode of grate furnace again can not be by the dewatered sludge fallen in stove and rubbish
Carry out good mixing, affect the combustion conditions in stove.
Utility model content
In view of the problem existing for prior art, this utility model provides the mud feed dress of a kind of fire grate garbage incinerator
Put, there is feed uniformly, do not block, do not increase the abrasion of fire grate segment, do not affect the First air air feed in stove, contribute to stove internal combustion
Burn the advantages such as stable conditions.
The technical scheme that this utility model solves above-mentioned technical problem is as follows:
The sludge feeding device of a kind of fire grate garbage incinerator, including conveying worm, blanking elephant trunk and winding-up wind mother pipe；
Conveying worm is horizontally placed on above grate furnace face arch, and the one end on the top of conveying worm is provided with material receiving port, and bottom is along conveying side
To being provided with some blanking ports, below each blanking port, it is respectively connected with blanking elephant trunk；Described winding-up wind mother pipe slips with all of blanking
Pipe is connected, and provides wind-force for the conveying of material in blanking elephant trunk.
The beneficial effects of the utility model are: the dewatered sludge from stokehold sludge storage bin enters spiral transferring by material receiving port
Send machine, through each blanking port in the course of conveying of conveying worm, rely on self gravitation to enter in each blanking elephant trunk.Pass through
Winding-up wind mother's pipe is connected with blanking elephant trunk, utilizes wind-force to strengthen the conveying power of dewatered sludge, further ensure that mummification is dirty
The conveying of mud is smooth and easy, prevents blocking.
This utility model uses simple Structure Improvement Design, it is possible to make the dry of the rubbish grate furnace with dewatered sludge multifuel combustion
Change mud feed uniformly, do not block, do not increase the abrasion of fire grate segment, do not affect the First air air feed in stove, contribute to stove internal combustion
Burn stablizing of operating mode.
On the basis of technique scheme, this utility model can also do following improvement.
Further, the top of described blanking elephant trunk is vertical section, and the bottom of blanking elephant trunk is tilting section, and described vertical section erects
The most down-set, described tilting section is to grate furnace rear-inclined.Angle α between described tilting section and horizontal plane is not less than 50 degree.
Such scheme is used to provide the benefit that: to have the angle not less than 50 degree between tilting section and horizontal plane, can make to do
Change sludge stream clear and coherent smooth, prevent blocking.
Further, vertical section is provided with the Star-like unloader that rotating speed is different, and the rotating speed of Star-like unloader is along conveying worm
Conveying direction increase successively.
Such scheme is used to provide the benefit that: rotating speed increases successively along the conveying direction of conveying worm, it is possible to prevent
Sludge concentration bridging at conveying worm blanking port, and guarantee that the sludge quantity ratio in each material blanking tube is more uniform.
Further, one end of described winding-up wind mother's pipe is First air hot air interface, described First air hot air interface with once
Wind hot air duct connects, and described winding-up wind mother's pipe is provided with flat-shaped winding-up tuyere, and the outlet air end of described winding-up tuyere is provided with and adds
Speed section and the bottom with blanking elephant trunk vertical section are connected.
Such scheme is used to provide the benefit that: the hot blast from hot air duct of boiler distributes through winding-up wind mother's pipe
After, enter blanking elephant trunk tilting section with stronger rigidity after being accelerated by winding-up tuyere outlet air end, blow to be fallen into by vertical section incline
Tiltedly the dewatered sludge in section, strengthens the conveying power of dewatered sludge, further ensure that the conveying of dewatered sludge is smooth and easy, prevent
Blocking.
Further, the interior lower surface of the accelerating sections of winding-up tuyere is concordant with the interior lower surface of blanking elephant trunk tilting section.
Such scheme is used to provide the benefit that: concordant to be provided with beneficially winding-up wind energy to be enough close to tilting section inwall downward
Winding-up, does not haves winding-up dead band, it is to avoid mud is bonded at tilting section inwall and results in blockage.
Further, also including mouth of jetting, described winding-up mouth is arranged at trimmer arch, and with the end of blanking elephant trunk tilting section
Portion is connected.Upper and lower two surfaces of described winding-up mouth are parallel, and left and right two surfaces of described winding-up mouth outwards diffuse into fan shape.
Such scheme is used to provide the benefit that: the setting of fan-shaped winding-up mouth and the winding-up of blowing hot air, in making entrance stove
Dewatered sludge can be at the upper surface being evenly distributed on the fire grate garbage bed of material.
Further, the material on left and right two surfaces of described winding-up mouth is refractory material.
Such scheme is used to provide the benefit that: to improve the service life of winding-up mouth.
Further, the extensions on the most adjacent winding-up left and right two surfaces of mouth intersect on the upper surface of the fire grate bed of material.
Such scheme is used to provide the benefit that: to enable the dewatered sludge in entrance stove being evenly distributed on fire grate garbage
The upper surface of the bed of material.
Accompanying drawing explanation
Fig. 1 is the front view of the sludge feeding device of fire grate garbage incinerator described in the utility model；
Fig. 2 is the sludge feeding device of fire grate garbage incinerator described in the utility model sectional view at A-A；
Fig. 3 is the sludge feeding device of fire grate garbage incinerator described in the utility model sectional view at B-B；
In accompanying drawing, the list of parts representated by each label is as follows:
1, material receiving port, 2, conveying worm, 3, blanking elephant trunk, 4, Star-like unloader, 5, winding-up wind mother pipe, 6, winding-up wind
Mouth, 7, winding-up mouth, 8, blanking port, 9, the extensions on winding-up left and right two surfaces of mouth, 10, the upper surface of the rubbish bed of material, 11, mummification dirty
Mud dispersion blanking region, 12, First air hot air interface, 13, accelerating sections, 14, vertical section, 15, tilting section.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining this practicality
Novel, it is not intended to limit scope of the present utility model.
As it is shown in figure 1, fire grate garbage incinerator sludge feeding device of the present utility model, including conveying worm 2, blanking
Elephant trunk 3, winding-up wind mother's pipe 5, winding-up mouth 7, wherein conveying worm 2 is horizontally placed on above grate furnace face arch, and upper one end is provided with one
Individual material receiving port 1, bottom is provided with some blanking ports 8, each blanking port 8 along conveying direction (i.e. the length direction of conveying worm 2)
Lower section is respectively connected with blanking elephant trunk 3.Described winding-up wind mother's pipe 5 is connected with all of blanking elephant trunk 3, for material in blanking elephant trunk 3
Conveying provide wind-force.
As in figure 2 it is shown, blanking elephant trunk 3 top is vertical section 14, bottom is tilting section 15, and vertical section 14 vertically sets
Put.Vertical section 14 is provided with the different Star-like unloader of rotating speed 4, and the rotating speed of Star-like unloader 4 is along the conveying side of conveying worm 2
To increasing successively.Tilting section 15 to furnace rear tilt and and horizontal plane between angle α not less than 50 degree.As described in Figure 1, winding-up wind
One end of female pipe 5 is First air hot air interface 12, and described First air hot air interface 12 is connected with First air hot air duct, wind of jetting
Female pipe 5 is provided with flat-shaped winding-up tuyere 6, the outlet air end of winding-up tuyere 6 be provided with accelerating sections 13 and with blanking elephant trunk 3 vertical section 14
Bottom be connected,
The interior lower surface of the accelerating sections 13 of winding-up tuyere 6 is concordant with the interior lower surface of blanking elephant trunk 3 tilting section 15.I.e.
The interior lower surface of the interior lower surface of accelerating sections 13 and blanking elephant trunk 3 tilting section 15 is on same straight line.
Such as Fig. 2 and Fig. 3, winding-up upper and lower two surfaces of mouth 7 are parallel, and left and right two surfaces are outwards diffused into sector by refractory material
Shape, the left and right two surface extensions 9 of the most adjacent winding-up mouth are in fire grate bed of material upper surface (i.e. rubbish bed of material upper surface 10) phase
Hand over.The dewatered sludge that is arranged above of rubbish bed of material upper surface 10 disperses blanking region 11.
During operation, conveying worm 2 is horizontally placed on above grate furnace face arch, and upper one end is provided with a material receiving port 1, edge, bottom
Length direction is provided with some blanking ports 8, is connected to blanking elephant trunk 3 under blanking port.Dewatered sludge from stokehold sludge storage bin passes through
Material receiving port 1 enters conveying worm 2, and mud when each blanking port 8, relies on gravity in the course of conveying of conveying worm 2
Enter in each blanking elephant trunk 3.
Blanking elephant trunk 3 top is vertical section, and bottom is tilting section.Vertical section top is provided with the Star-like unloader that rotating speed is different
4, rotating speed increases successively along the conveying direction of conveying worm, it is possible to prevents the sludge concentration bridging at blanking port 8, and guarantees by vertically
The dewatered sludge flow-rate ratio that section falls into tilting section is more uniform.Tilting section to furnace rear tilt and and horizontal plane between angle α the least
In 50 degree, dewatered sludge conveying can be made smooth and easy, prevent blocking.
It is also arranged above a winding-up wind quoted from First air hot air duct parallel with conveying worm 2 female at trimmer arch
Pipe 5, which is provided with flat-shaped winding-up tuyere 6, the outlet air end of winding-up tuyere 6 be provided with accelerating sections 13 and with blanking elephant trunk 3 vertical section
The bottom of 14 is connected, and the interior lower surface of the accelerating sections of winding-up tuyere 6 is concordant with the interior lower surface of blanking elephant trunk 3 tilting section.
From hot-blast main of boiler hot blast through winding-up wind mother's pipe 5 distribution after, by winding-up tuyere 6 outlet air end accelerate after with stronger
Rigidity be blown into along the lower wall of blanking elephant trunk 3 tilting section, blow to the dewatered sludge being fallen in tilting section by vertical section, strengthen
The conveying power of dewatered sludge, further ensure that the conveying of dewatered sludge is smooth and easy, prevents blocking.
Trimmer arch is additionally provided with winding-up mouth 7 be connected with the bottom of blanking elephant trunk 3 tilting section, mouth about 7 two surface of jetting
Parallel, surface, left and right two is outwards diffused into fan shape by refractory material, and about the most adjacent winding-up mouth, two surface extensions exist
The upper surface of the fire grate bed of material intersects.When dewatered sludge from tilting section passes through sector winding-up mouth 7, under the effect of blowing hot air
Can spread to both sides, the diffusibility making dewatered sludge in entrance stove is preferable, and the upper surface at the rubbish bed of material is distributed more uniform
And directly will not contact with fire grate segment, thus without the abrasion of increase fire grate segment, do not affect the First air air feed in stove.At rubbish
The dewatered sludge of bed of material upper surface first accepts high-temperature flue gas and the heat radiation of furnace rear arch, and ignition, contributes to burning in stove
Stablizing of operating mode.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (10)
1. the sludge feeding device of a fire grate garbage incinerator, it is characterised in that include conveying worm (2), blanking elephant trunk
(3) and winding-up wind mother pipe (5), conveying worm (2) is horizontally placed on above grate furnace face arch, the one of the top of conveying worm (2)
End is provided with material receiving port (1), and bottom is provided with some blanking ports (8) along conveying direction, and each blanking port (8) lower section is respectively connected with blanking
Elephant trunk (3)；Described winding-up wind mother pipe (5) is connected with all of blanking elephant trunk (3), and the conveying for blanking elephant trunk (3) interior material carries
For wind-force.
The sludge feeding device of a kind of fire grate garbage incinerator, it is characterised in that described blanking slips
The top of pipe (3) is vertical section (14), and the bottom of blanking elephant trunk (3) is tilting section (15), and described vertical section (14) is straight down
Arranging, described tilting section (15) is to grate furnace rear-inclined.
The sludge feeding device of a kind of fire grate garbage incinerator, it is characterised in that described tilting section
(15) angle α and between horizontal plane is not less than 50 degree.
The sludge feeding device of a kind of fire grate garbage incinerator, it is characterised in that vertical section (14)
Being provided with the different Star-like unloader of rotating speed (4), the rotating speed of Star-like unloader (4) depends on along the conveying direction of conveying worm (2)
Secondary increase.
5. according to the sludge feeding device of a kind of fire grate garbage incinerator described in any one of claim 2-4, it is characterised in that institute
The one end stating winding-up wind mother pipe (5) is First air hot air interface (12), described First air hot air interface (12) and First air hot blast
Air channel connects, and described winding-up wind mother pipe (5) is provided with flat-shaped winding-up tuyere (6), and the outlet air end of described winding-up tuyere (6) is provided with
Accelerating sections (13) and the bottom with blanking elephant trunk (3) vertical section are connected.
The sludge feeding device of a kind of fire grate garbage incinerator, it is characterised in that winding-up tuyere
(6) interior lower surface of accelerating sections (13) is concordant with the interior lower surface of blanking elephant trunk (3) tilting section (15).
7. according to the sludge feeding device of a kind of fire grate garbage incinerator described in any one of claim 2-4, it is characterised in that also
Including winding-up mouth (7), described winding-up mouth (7) is arranged at trimmer arch, and with the bottom phase of blanking elephant trunk (3) tilting section (15)
Even.
The sludge feeding device of a kind of fire grate garbage incinerator, it is characterised in that described winding-up mouth
(7) upper and lower two surfaces are parallel, and left and right two surfaces of described winding-up mouth (7) outwards diffuse into fan shape.
The sludge feeding device of a kind of fire grate garbage incinerator, it is characterised in that described winding-up mouth
(7) material on left and right two surfaces is refractory material.
The sludge feeding device of a kind of fire grate garbage incinerator, it is characterised in that the most adjacent
The extensions on left and right two surfaces of winding-up mouth (7) intersect on the upper surface of the fire grate bed of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620897185.5U CN205878183U (en) | 2016-08-17 | 2016-08-17 | Grate waste incinerator's mud feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620897185.5U CN205878183U (en) | 2016-08-17 | 2016-08-17 | Grate waste incinerator's mud feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205878183U true CN205878183U (en) | 2017-01-11 |
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ID=57704994
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620897185.5U Active CN205878183U (en) | 2016-08-17 | 2016-08-17 | Grate waste incinerator's mud feeder |
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| Country | Link |
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| CN (1) | CN205878183U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052214A (en) * | 2019-05-13 | 2019-07-26 | 北京国电龙源环保工程有限公司 | A kind of wet mud uniform distribution device |
| CN111828989A (en) * | 2020-06-29 | 2020-10-27 | 光大环境科技（中国）有限公司 | In-pipe sludge cleaning device for sludge distribution on incinerator and garbage incinerator |
| CN112696689A (en) * | 2021-02-01 | 2021-04-23 | 光大环保技术装备（常州）有限公司 | Incineration system and incineration method for dried sludge in furnace |
| CN113087338A (en) * | 2021-04-13 | 2021-07-09 | 浙江汇金环保科技有限公司 | High-efficient mud innocent treatment equipment |
-
2016
- 2016-08-17 CN CN201620897185.5U patent/CN205878183U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052214A (en) * | 2019-05-13 | 2019-07-26 | 北京国电龙源环保工程有限公司 | A kind of wet mud uniform distribution device |
| CN110052214B (en) * | 2019-05-13 | 2024-03-22 | 国能龙源环保有限公司 | Uniform distribution device for wet sludge |
| CN111828989A (en) * | 2020-06-29 | 2020-10-27 | 光大环境科技（中国）有限公司 | In-pipe sludge cleaning device for sludge distribution on incinerator and garbage incinerator |
| CN112696689A (en) * | 2021-02-01 | 2021-04-23 | 光大环保技术装备（常州）有限公司 | Incineration system and incineration method for dried sludge in furnace |
| CN113087338A (en) * | 2021-04-13 | 2021-07-09 | 浙江汇金环保科技有限公司 | High-efficient mud innocent treatment equipment |
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