CN117072980B - Smoldering furnace capable of stably burning - Google Patents
Smoldering furnace capable of stably burning Download PDFInfo
- Publication number
- CN117072980B CN117072980B CN202311126269.XA CN202311126269A CN117072980B CN 117072980 B CN117072980 B CN 117072980B CN 202311126269 A CN202311126269 A CN 202311126269A CN 117072980 B CN117072980 B CN 117072980B
- Authority
- CN
- China
- Prior art keywords
- smoldering
- screw conveyor
- cavity
- furnace body
- furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000463 material Substances 0.000 claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 239000000446 fuel Substances 0.000 claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 39
- 239000006004 Quartz sand Substances 0.000 claims description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 32
- 239000010802 sludge Substances 0.000 claims description 31
- 238000012216 screening Methods 0.000 claims description 23
- 239000008187 granular material Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a stable combustion smoldering furnace, which comprises a furnace body and a screw conveyor, wherein a smoldering cavity, a feed inlet, a material transmission inlet and a material transmission outlet are arranged in the furnace body, and the feed inlet, the material transmission inlet and the material transmission outlet are communicated with the smoldering cavity; the screw conveyer inserts the smoldering cavity from material transmission entry along the horizontal direction to stretch out the furnace body outside from material transmission export, screw conveyer's feed end is equipped with the feed inlet, and fuel silo is connected to screw conveyer's feed inlet, and screw conveyer's discharge end is equipped with the discharge gate, and screw conveyer is in the part in smoldering cavity and smoldering cavity intercommunication from top to bottom. According to the invention, the screw conveyor is arranged, so that when smoldering in the smoldering furnace is unstable, combustible fuel is conveyed into the smoldering furnace, and meanwhile, materials originally in the screw conveyor are conveyed out of the smoldering furnace, so that the smoldering is stable.
Description
Technical Field
The invention relates to the technical field of smoldering furnaces, in particular to a smoldering furnace capable of being stably combusted.
Background
The smoldering technology uses organic pollutants with higher heat value as energy sources, and the pollutants are ignited in a low-energy state by injecting air into a polluted soil layer to cause chronic self-sustaining combustion of the pollutants, and then the combustion heat energy of the pollutants is utilized to cause continuous combustion of surrounding polluted areas. The smoldering treatment of pollutants is generally carried out by adopting a smoldering furnace. The quartz sand layer and the sludge particle layer are alternately placed in the smoldering furnace for distributing, or the quartz sand and the sludge particles are directly distributed after being mixed before feeding. However, in the smoldering process, the conditions of uneven water content of sludge particles, lower heat value of sludge, uneven air distribution and the like may be met, so that smoldering instability is caused, and uneven smoldering or flameout may be caused.
Disclosure of Invention
The invention aims to solve at least one of the technical problems in the related art to a certain extent, and therefore, the embodiment of the invention provides the smoldering furnace which can be stably combusted, and the smoldering combustion in the smoldering furnace is ensured to be stable by supplementing the inflammable fuel.
The embodiment of the invention provides a smoldering furnace capable of stably burning, which comprises the following components: the device comprises a furnace body and a screw conveyor, wherein a smoldering cavity, a feed inlet, a material transmission inlet and a material transmission outlet are formed in the furnace body, and the feed inlet, the material transmission inlet and the material transmission outlet are communicated with the smoldering cavity, and are arranged on two opposite sides of the furnace body; the screw conveyer has feed end and discharge end, screw conveyer inserts the smoldering chamber from the material transmission entry along the horizontal direction to stretch out the furnace body outside from the material transmission export, screw conveyer's feed end is located the outside of material transmission entry, screw conveyer's discharge end is located the outside of material transmission export, screw conveyer's feed end is equipped with the feed inlet, screw conveyer's feed inlet connects the fuel silo, screw conveyer's discharge end is equipped with the discharge gate, screw conveyer's discharge gate connects the storage tank, screw conveyer's part in the smoldering chamber communicates from top to bottom with the smoldering chamber, screw conveyer's part outside the furnace body is equipped with the casing.
According to the invention, the screw conveyor is arranged, so that when smoldering in the smoldering furnace is unstable, combustible fuel is conveyed into the smoldering furnace, and meanwhile, materials originally in the screw conveyor are conveyed out of the smoldering furnace, so that the smoldering is stable.
In the invention, the part of the screw conveyor in the smoldering cavity is not provided with the shell, so that materials in the smoldering cavity can enter the screw conveyor, and the smoldering reaction can not be blocked.
In some embodiments, the smoldering furnace that can stably burn further includes a screening device, the screening device has feed inlet, mud granule discharge gate and quartz sand discharge gate, and the discharge gate of storage tank is connected to the feed inlet of screening device, and mud granule discharge gate of screening device connects mud granule storage tank, and quartz sand discharge gate of screening device connects quartz sand storage tank.
According to the invention, the screening device is arranged, so that the sludge particles in the storage tank and the quartz sand mixture can be separated for recycling.
In some embodiments, the feed inlet of the furnace body is connected with the sludge granule bin and the quartz sand bin through pipelines respectively, the feed inlet of the furnace body is arranged at the top end of the furnace body, the sludge granule storage tank is connected with the sludge granule bin through a first transmission device, and the quartz sand storage tank is connected with the quartz sand bin through a second transmission device.
In some embodiments, the feeding port of the screw conveyor is arranged on a shell of the feeding end of the screw conveyor, the discharging port of the screw conveyor is arranged on a shell of the discharging end of the screw conveyor, and the shell is fixedly connected with the material conveying inlet and the material conveying outlet of the furnace body respectively through welding.
In the invention, the shell is only arranged on the screw conveyor at the outer side of the furnace body and welded and fixed at the outer side of the furnace body, so that inflammable fuel entering through the feed inlet of the screw conveyor can be prevented from leaking outwards from the gap, and the control valves at the feed inlet and the discharge outlet of the screw conveyor are matched to prevent the outwards diffusion of smoke generated by smoldering.
In some embodiments, the material conveying inlet and the material conveying outlet of the furnace body are provided with a plurality of groups, and the screw conveyor is arranged in the smoldering cavity along the horizontal direction. More spiral conveyors are covered in the smoldering cavity along the horizontal direction, and the conveying point position of the inflammable fuel is increased.
In some embodiments, the screw conveyor is disposed vertically within the smoldering cavity. And the delivery point of the inflammable fuel is increased in the vertical direction.
In some embodiments, the smoldering furnace capable of stably burning further comprises a stirring device, the stirring device is arranged in the smoldering cavity and comprises a rotating shaft and stirring blades, the rotating shaft is connected with a driving device, the driving device is arranged on the outer wall of the furnace body, the stirring blades are fixedly connected to the side parts of the rotating shaft, and the driving device drives the rotating shaft and the stirring blades to rotate along the horizontal direction. Through slowly stirring the materials, the occurrence of uneven smoldering can be avoided.
In some embodiments, an upper support plate is arranged above the screw conveyor in the smoldering cavity, a lower support plate is arranged below the screw conveyor, the peripheries of the upper support plate and the lower support plate are fixedly connected to the inner wall of the smoldering cavity, a plurality of through holes for passing through sludge particles and quartz sand are uniformly distributed in the upper support plate and the lower support plate along the vertical direction, and the screw conveyor arranged in the same horizontal direction shares the same upper support plate and the same lower support plate. The upper supporting plate shares the bearing of the materials for the stirring device, so that the rotation resistance of the stirring blade is reduced; the lower supporting plate shares the bearing from the material for the screw conveyor, so that the running resistance of the screw conveyor is reduced.
In some embodiments, the lower end of the rotating shaft is connected to the lower most upper support plate through a bearing, the outer ring of the bearing is fixedly connected to the lower most upper support plate, the inner ring of the bearing is fixedly connected to the rotating shaft, and the stirring blade is located between two adjacent layers of screw conveyors in the vertical direction and between the lower support plate of the adjacent upper layer and the upper support plate of the lower layer. The lower support plate provides a connecting support point for the stirring device.
In some embodiments, the stirring blade is further disposed above the uppermost upper support plate. The rotation of stirring leaf can scatter the material that falls from the feed inlet, falls from the through-hole whereabouts of last backup pad equipartition, plays the effect of even cloth.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and may be better understood from the following description of embodiments with reference to the accompanying drawings,
Wherein:
FIG. 1 is a schematic view of a smoldering burner capable of stably burning in an embodiment of the present invention;
Reference numerals:
1-a fuel bin; 2-a sludge particle bin; 3-quartz sand bin; 4-a first transmission device; 5-a second transmission device; 6-a storage tank; 7-screening device; 8-a sludge granule storage tank; 9-quartz sand storage tanks; 10-a furnace body; 11-a rotating shaft; 12-stirring the leaves; 13-an upper support plate; 14-screw conveyor; 15-lower support plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
A smoldering burner that can be stably burned according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention provides a smoldering furnace that can be stably burned, including: the furnace body 10 and the screw conveyor 14 are arranged in the furnace body 10, a smoldering cavity, a feed inlet, a material transmission inlet and a material transmission outlet are communicated with the smoldering cavity, and the material transmission inlet and the material transmission outlet are arranged on two opposite sides of the furnace body 10; the screw conveyer 14 has feed end and discharge end, screw conveyer 14 inserts the smoldering cavity from the material transmission entry along the horizontal direction to extend the furnace body 10 outside from the material transmission export, the feed end of screw conveyer 14 is located the outside of material transmission entry, the discharge end of screw conveyer 14 is located the outside of material transmission export, the feed end of screw conveyer 14 is equipped with the feed inlet, fuel silo 1 is connected to the feed inlet of screw conveyer 14, the discharge end of screw conveyer 14 is equipped with the discharge gate, storage tank 6 is connected to the discharge gate of screw conveyer 14, screw conveyer 14 part and the smoldering cavity intercommunication from top to bottom in the smoldering cavity, screw conveyer 14 part outside furnace body 10 is equipped with the casing.
According to the invention, the screw conveyor 14 is arranged, so that when smoldering in the smoldering furnace is unstable, combustible fuel is conveyed into the smoldering furnace, and meanwhile, materials originally in the screw conveyor 14 are conveyed out of the smoldering furnace, so that the smoldering is stable.
In the embodiment of the invention, the part of the screw conveyor 14 in the smoldering cavity is not provided with a shell, so that materials in the smoldering cavity can enter the screw conveyor 14, and the smoldering reaction can be not blocked.
Further, the fuel silo 1 stores a combustible fuel such as biomass and lignite.
Further, when a quartz sand layer and a sludge granule layer are layered inside the furnace body 10, the quartz sand layer is disposed on a plane in which the screw conveyor 14 is located. When smoldering is unstable, quartz sand can be output to the outside of the furnace body 10 through the screw conveyor 14, and simultaneously combustible fuel can be input to the inside of the furnace body 10.
Further, a plurality of temperature measuring points are arranged at different positions in the furnace body 10 for monitoring the temperature in the furnace body 10, and the approximate position of the smoldering instability position can be judged by combining the smoldering rule (such as lower temperature), so that flammable fuel can be fed in pertinently.
Further, both the feed inlet and the discharge outlet of the screw conveyor 14 are provided with control valves, so that on one hand, the feed and the discharge of the screw conveyor 14 are controlled, and on the other hand, after the control valves are closed, the exhaust gas generated by smoldering combustion can be prevented from being outwards diffused.
Further, a discharge port of the screw conveyor 14 is connected to the storage tank 6 for temporarily storing quartz sand and sludge granules outputted from the furnace body 10.
Further, the screw conveyor 14 has a screw shaft horizontally arranged, screw blades are fixed around the screw shaft, and a driving device such as a motor and a speed reducer is connected to a feed end of the screw conveyor 14 for driving the screw shaft and the screw blades to rotate. The screw conveyor 14 has other conventional structures, and the operation mechanism is also known in the art, and will not be described in detail herein.
In some embodiments, the smoldering furnace capable of stable combustion further comprises a screening device 7, the screening device 7 is provided with a feed inlet, a sludge granule discharge outlet and a quartz sand discharge outlet, the feed inlet of the screening device 7 is connected with the discharge outlet of the storage tank 6, the sludge granule discharge outlet of the screening device 7 is connected with the sludge granule storage tank 8, and the quartz sand discharge outlet of the screening device 7 is connected with the quartz sand storage tank 9.
According to the invention, the screening device 7 is arranged, so that the sludge particles in the storage tank 6 and the quartz sand mixture can be separated for recycling.
Further, the screening device 7 may be a wind screening device, screening according to the mass difference of quartz sand and sludge granules. The device can also be a filter screen screening device, and screening is performed according to the volume difference of quartz sand and sludge particles.
In some embodiments, the feed inlet of the furnace body 10 is connected with the sludge granule bin 2 and the quartz sand bin 3 through pipelines respectively, the feed inlet of the furnace body 10 is arranged at the top end of the furnace body 10, the sludge granule storage tank 8 is connected with the sludge granule bin 2 through the first transmission device 4, and the quartz sand storage tank 9 is connected with the quartz sand bin 3 through the second transmission device 5.
Further, the first transporting means 4 and the second transporting means 5 may be any one or more of a conveyer means, a conveying pipe, a conveying cart, and the like.
In some embodiments, the feed inlet of the screw conveyor 14 is disposed on a housing of the feed end of the screw conveyor 14, and the discharge outlet of the screw conveyor 14 is disposed on a housing of the discharge end of the screw conveyor 14, and the housing is fixedly connected with the material transfer inlet and the material transfer outlet of the furnace body 10 by welding respectively.
In the invention, the shell is only arranged on the screw conveyor 14 outside the furnace body 10, and is welded and fixed outside the furnace body 10, so that inflammable fuel entering through the feed inlet of the screw conveyor 14 can be prevented from leaking outwards from a gap, and on the other hand, the control valves at the feed inlet and the discharge outlet of the screw conveyor 14 are matched, so that the outwards diffusion of smoke generated by smoldering can be prevented.
In some embodiments, the material transfer inlet and the material transfer outlet of the furnace body 10 are provided with a plurality of groups, and the screw conveyor 14 is arranged in the smoldering cavity in a horizontal direction. More screw conveyors 14 are covered in the smoldering cavity in the horizontal direction, increasing the point of delivery of the combustible fuel.
Further, the furnace body 10 has a cylindrical shape, a plurality of screw conveyors 14 are arranged in parallel on a certain horizontal plane, and the feed inlets of the screw conveyors 14 are commonly connected with the fuel bin 1.
In some embodiments, the screw conveyor 14 is disposed in a plurality in a vertical direction within the smoldering cavity. And the delivery point of the inflammable fuel is increased in the vertical direction.
In some embodiments, the smoldering furnace capable of stably burning further comprises a stirring device, the stirring device is arranged in the smoldering cavity, the stirring device comprises a rotating shaft 11 and stirring blades 12, the rotating shaft 11 is connected with a driving device, the driving device is arranged on the outer wall of the furnace body 10, the stirring blades 12 are fixedly connected to the side parts of the rotating shaft 11, and the driving device drives the rotating shaft 11 and the stirring blades 12 to rotate along the horizontal direction. Through slowly stirring the materials, the occurrence of uneven smoldering can be avoided.
Further, the rotating shaft 11 is located between two adjacent screw conveyors 14 arranged horizontally, and does not interfere with feeding and discharging of the screw conveyors 14.
Further, the stirring device can be provided with a plurality of stirring devices which are arranged at a plurality of positions, so that the materials in the furnace body 10 are uniformly stirred as much as possible, and smoldering combustion is more uniform.
Further, the driving device of the stirring device comprises a motor and a speed reducer which are connected with each other, and the rotating speed of the stirring device can be controlled, so that the rotating shaft 11 and the stirring blades 12 slowly stir materials, and the smoldering is prevented from being extinguished due to the too high rotating speed.
In some embodiments, an upper support plate 13 is arranged above the screw conveyor 14 in the smoldering cavity, a lower support plate 15 is arranged below the screw conveyor 14, the peripheries of the upper support plate 13 and the lower support plate 15 are fixedly connected to the inner wall of the smoldering cavity, a plurality of through holes for passing through sludge particles and quartz sand are uniformly distributed on the upper support plate 13 and the lower support plate 15 along the vertical direction, and the screw conveyor 14 arranged in the same horizontal direction shares the same upper support plate 13 and the same lower support plate 15. The upper supporting plate 13 shares the bearing of the materials for the stirring device, so that the rotation resistance of the stirring blade 12 is reduced; the lower support plate 15 shares the load bearing from the material for the screw conveyor 14, reducing the running resistance of the screw conveyor 14.
In some embodiments, the lower end of the rotating shaft 11 is connected to the lowermost upper support plate 13 through a bearing, the outer ring of the bearing is fixedly connected to the lowermost upper support plate 13, the inner ring of the bearing is fixedly connected to the rotating shaft 11, and the stirring blade 12 is located between two adjacent layers of screw conveyors 14 in the vertical direction and between the lower support plate 15 of the adjacent upper layer and the upper support plate 13 of the lower layer. The lower support plate 15 provides a connection support point for the stirring device.
Further, the rotation shaft 11 penetrates the other upper and lower support plates 13 and 15 above the lowermost upper support plate 13, and is not in contact with and connected to the other upper and lower support plates 13 and 15, so that the rotation of the rotation shaft 11 is not hindered by the upper and lower support plates 13 and 15.
In some embodiments, the stirring blade 12 is also provided above the uppermost upper support plate 13. The rotation of stirring leaf 12 can scatter the material that falls from the feed inlet, falls from the through-hole whereabouts of last backup pad 13 equipartition, plays the effect of even cloth.
Further, according to actual needs, corresponding control valves are disposed in some connecting pipelines in the embodiments of the present invention to control feeding and discharging, for example, on a pipeline between a discharge port of the fuel bin 1 and a feed port of the screw conveyor 14, for example, on a pipeline between a discharge port of the sludge granule bin 2 and a feed port of the furnace body 10, for example, on a pipeline between a discharge port of the quartz sand bin 3 and a feed port of the furnace body 10, and so on, which will not be described herein.
Further, the stirring device, the screw conveyor 14, the upper supporting plate 13 and the lower supporting plate 15 are made of high-temperature-resistant and wear-resistant materials, such as stainless steel, copper and other metal materials.
It should be noted that, the smoldering furnace also has other conventional structures, such as a heating device, an air distribution device, a discharge port, etc., and is not described herein because of being related to the innovation point of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The terms "some embodiments" and the like, in the present disclosure, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment of the present disclosure. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments. Furthermore, the various embodiments described in this specification, as well as the features of the various embodiments, can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (6)
1. A smoldering furnace that is stable in combustion, comprising:
the furnace body is internally provided with a smoldering cavity, a feed inlet, a material transmission inlet and a material transmission outlet which are communicated with the smoldering cavity, and the material transmission inlet and the material transmission outlet are arranged on two opposite sides of the furnace body;
The screw conveyor is provided with a feeding end and a discharging end, the screw conveyor is inserted into the smoldering cavity from the material conveying inlet along the horizontal direction and extends out of the furnace body from the material conveying outlet, the feeding end of the screw conveyor is positioned at the outer side of the material conveying inlet, the discharging end of the screw conveyor is positioned at the outer side of the material conveying outlet, the feeding end of the screw conveyor is provided with a feeding port, the feeding port of the screw conveyor is connected with a fuel bin, the discharging end of the screw conveyor is provided with a discharging port, the discharging port of the screw conveyor is connected with a storage tank, the part of the screw conveyor in the smoldering cavity is communicated with the smoldering cavity up and down, and the part of the screw conveyor outside the furnace body is provided with a shell;
The material conveying inlet and the material conveying outlet of the furnace body are provided with a plurality of groups, and the screw conveyor is arranged in the smoldering cavity along the horizontal direction;
The screw conveyor is arranged in the smoldering cavity in a plurality in the vertical direction;
A plurality of temperature measuring points are arranged at different positions in the furnace body, and by arranging the screw conveyor, when smoldering in the smoldering furnace is unstable, combustible fuel is conveyed into the smoldering furnace, and meanwhile, materials originally in the screw conveyor are conveyed out of the smoldering furnace, so that the stability of smoldering is ensured;
The stirring device is arranged in the smoldering cavity and comprises a rotating shaft and stirring blades, the rotating shaft is connected with a driving device, the driving device is arranged on the outer wall of the furnace body, the stirring blades are fixedly connected to the side parts of the rotating shaft, and the driving device drives the rotating shaft and the stirring blades to rotate along the horizontal direction;
An upper supporting plate is arranged above the screw conveyor in the smoldering cavity, a lower supporting plate is arranged below the screw conveyor, the peripheries of the upper supporting plate and the lower supporting plate are fixedly connected to the inner wall of the smoldering cavity, a plurality of through holes for passing through sludge particles and quartz sand are uniformly distributed on the upper supporting plate and the lower supporting plate along the vertical direction, and the screw conveyor arranged in the same horizontal direction shares the same upper supporting plate and the same lower supporting plate;
The stirring blade is positioned between two adjacent layers of screw conveyors in the vertical direction and between the lower support plate of the adjacent upper layer and the upper support plate of the lower layer.
2. The smoldering furnace of claim 1, further comprising a screening device, the screening device having a feed inlet, a sludge granule discharge outlet, and a quartz sand discharge outlet, the feed inlet of the screening device being connected to the discharge outlet of the storage tank, the sludge granule discharge outlet of the screening device being connected to the sludge granule storage tank, the quartz sand discharge outlet of the screening device being connected to the quartz sand storage tank.
3. The smoldering furnace capable of being stably combusted according to claim 2, wherein a feed inlet of the furnace body is connected with a sludge particle bin and a quartz sand bin through pipelines respectively, the feed inlet of the furnace body is arranged at the top end of the furnace body, the sludge particle storage tank is connected with the sludge particle bin through a first transmission device, and the quartz sand storage tank is connected with the quartz sand bin through a second transmission device.
4. The smoldering furnace of claim 1, wherein a feed port of the screw conveyor is arranged on the shell of a feed end of the screw conveyor, a discharge port of the screw conveyor is arranged on the shell of a discharge end of the screw conveyor, and the shell is fixedly connected with the material conveying inlet and the material conveying outlet of the furnace body respectively by welding.
5. The smoldering burner of claim 1, wherein a lower end of said rotary shaft is connected to said upper support plate at a lowermost position via a bearing, an outer ring of said bearing is fixedly connected to said upper support plate at a lowermost position, and an inner ring of said bearing is fixedly connected to said rotary shaft.
6. The smoldering burner of claim 1, wherein said stirring blade is further disposed above the uppermost upper support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311126269.XA CN117072980B (en) | 2023-09-01 | 2023-09-01 | Smoldering furnace capable of stably burning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311126269.XA CN117072980B (en) | 2023-09-01 | 2023-09-01 | Smoldering furnace capable of stably burning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117072980A CN117072980A (en) | 2023-11-17 |
| CN117072980B true CN117072980B (en) | 2024-07-12 |
Family
ID=88707957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311126269.XA Active CN117072980B (en) | 2023-09-01 | 2023-09-01 | Smoldering furnace capable of stably burning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117072980B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559267A (en) * | 2011-09-23 | 2012-07-11 | 方新成 | Refuse fuel vaporization device and control method thereof |
| CN112762458A (en) * | 2020-12-30 | 2021-05-07 | 华中科技大学 | Smoldering ignition optimization method for organic solid waste and smoldering furnace |
| CN218579669U (en) * | 2022-08-04 | 2023-03-07 | 甘肃三新硅业有限公司 | Shallow layer filtering device for reducing turbidity of circulating water of submerged arc furnace |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2012254031B2 (en) * | 2011-05-10 | 2016-07-07 | Chevron U.S.A. Inc. | Thermal treatment of a contaminated volume of material |
| CN106482112A (en) * | 2016-12-12 | 2017-03-08 | 北京神雾环境能源科技集团股份有限公司 | A kind of Double helix regenerative gas electronic waste pyrolysis installation |
| CN112097261A (en) * | 2019-06-17 | 2020-12-18 | 香港理工大学深圳研究院 | Organic solid waste smoldering treatment and flue gas purification device |
| CN112856441B (en) * | 2020-04-16 | 2021-11-19 | 华中科技大学 | Organic waste liquid self-maintaining smoldering continuous reaction device and reaction method |
| CN112648619B (en) * | 2020-12-24 | 2022-03-18 | 华中科技大学 | Organic solid waste self-maintaining smoldering treatment method based on catalytic oxidation in furnace |
| CN115013817A (en) * | 2022-05-30 | 2022-09-06 | 华中科技大学 | Semi-continuous horizontal self-maintaining smoldering reaction device and method |
| CN116293727A (en) * | 2023-04-04 | 2023-06-23 | 重庆乐乐环保科技有限公司 | High-water-content sludge continuous self-maintaining smoldering furnace |
| CN116293726A (en) * | 2023-04-04 | 2023-06-23 | 重庆乐乐环保科技有限公司 | High-water-content sludge continuous self-maintaining smoldering feeding device |
-
2023
- 2023-09-01 CN CN202311126269.XA patent/CN117072980B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559267A (en) * | 2011-09-23 | 2012-07-11 | 方新成 | Refuse fuel vaporization device and control method thereof |
| CN112762458A (en) * | 2020-12-30 | 2021-05-07 | 华中科技大学 | Smoldering ignition optimization method for organic solid waste and smoldering furnace |
| CN218579669U (en) * | 2022-08-04 | 2023-03-07 | 甘肃三新硅业有限公司 | Shallow layer filtering device for reducing turbidity of circulating water of submerged arc furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117072980A (en) | 2023-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4452155A (en) | Method for incinerating material | |
| PL200778B1 (en) | METHOD OF AND ARRANGEMENT for COMBUSTION OF GRANULAR, SOLID FUEL | |
| CA2530236A1 (en) | High efficiency cyclone gasifying combustion burner to produce thermal energy and devices and method of operation | |
| JP2004093113A (en) | Improved large quantity fuel combustion system | |
| CN102803852A (en) | Method for supplying combustion air in vertical waste incinerator, and vertical waste incinerator | |
| CN117072980B (en) | Smoldering furnace capable of stably burning | |
| US20090291403A1 (en) | Method and apparatus to deliver solid fuel to a combustion zone | |
| RU2451239C2 (en) | Automated coal-fired boiler | |
| EP0906542A1 (en) | Rotary burner for solid fuel | |
| WO2016014004A1 (en) | A continuous granular fuel burner | |
| KR100885759B1 (en) | Carbonizer | |
| EP1001217B1 (en) | Waste feeder | |
| CN212362080U (en) | Biomass particle hot blast stove feeding system | |
| US2359638A (en) | Fuel feeder for furnaces | |
| KR101520090B1 (en) | Ash disposal for combustion air supply apparatus of solid fuel burner | |
| JP5257922B2 (en) | Explosive slurry combustion equipment | |
| CN108775597A (en) | A kind of blanking system for biological particles stove | |
| US4945837A (en) | Pellet feed system | |
| US1139708A (en) | Fuel-feeding apparatus. | |
| JP6744602B2 (en) | Rice husk burning device, grain drying system | |
| EP0017492A2 (en) | Method of and burner for burning solid fuel | |
| JP5032165B2 (en) | Carbonization system | |
| CN107043633B (en) | Pyrolysis reactor | |
| CN219933996U (en) | Gasification incineration system suitable for radioactive waste | |
| CN217519908U (en) | Small-sized reciprocating grate high-efficiency biomass combustion boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |