CN117228919A - Pyrolysis reaction kettle with feeding auger - Google Patents
Pyrolysis reaction kettle with feeding auger Download PDFInfo
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- CN117228919A CN117228919A CN202311253614.6A CN202311253614A CN117228919A CN 117228919 A CN117228919 A CN 117228919A CN 202311253614 A CN202311253614 A CN 202311253614A CN 117228919 A CN117228919 A CN 117228919A
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 65
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 41
- 239000010802 sludge Substances 0.000 claims abstract description 108
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 84
- 239000002245 particle Substances 0.000 claims description 31
- 239000007787 solid Substances 0.000 claims description 25
- 238000009825 accumulation Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 16
- 230000000007 visual effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000002910 solid waste Substances 0.000 abstract description 50
- 230000000694 effects Effects 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 15
- 238000009270 solid waste treatment Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 12
- 239000002912 waste gas Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a pyrolysis reaction kettle with a feeding auger, which relates to the technical field of pyrolysis solid waste treatment and comprises a solid waste crushing device, a feeding auger and a pyrolysis reaction kettle, wherein a feeding port of the feeding auger is arranged at an outlet of the solid waste crushing device, a discharging port of the feeding auger is in butt joint with the feeding port of the pyrolysis reaction kettle and is used for conveying crushed solid waste into the solid waste pyrolysis reaction kettle, and the feeding auger comprises a feeding auger pipe, a sludge crushed material feeding pipe, an auger shaft, a driving device and at least one sealing device based on reversing blades. The invention relates to a pipelined solid waste pyrolysis treatment device, which adopts a sealing device based on reverse blades, can accumulate sludge crushed aggregates in the middle of a feeding auger pipe in a reverse rotation stacking manner while conveying solid waste crushed aggregates, realizes gas sealing and isolation, and has the advantages of realizing feeding sealing effect, along with simple structure and outstanding sealing effect.
Description
Technical Field
The invention relates to the technical field of pyrolysis solid waste treatment, in particular to a pyrolysis reaction kettle with a feeding auger.
Background
The solid waste pyrolysis treatment technology refers to a technical measure of heating solid waste under anaerobic or anoxic conditions to decompose the solid waste, converting the solid waste into storable and transportable energy sources such as gas fuel, fuel oil and the like, or recovering resource products such as pyrolysis liquid products as chemical raw materials. Since pyrolysis is performed under anaerobic or anoxic conditions, the amount of exhaust gas is smaller than that of incineration. The method is mainly applied to the treatment and utilization of wastes such as municipal solid waste, sludge, waste plastics, waste rubber and the like.
At present, a feeder device used in the anaerobic pyrolysis process of solid wastes such as sludge, waste tires and waste plastics is not provided with a self-sealing structure, so that when the solid wastes are fed into a high-temperature reaction kettle, high-temperature waste gas in the pyrolysis reaction kettle can flow to a front-end solid waste crushing mechanism from a gap between the auger shaft and the sludge crushed aggregates due to the fact that materials in the auger shaft are not filled, and unsafe factors are caused;
the invention patent with the publication number of CN110577066A discloses a novel auger sealing device and a sealing method, the sealing is realized by arranging a multistage sealing structure, when the auger rotates, materials are pushed forward along with auger blades, but less materials can affect a bearing mechanism at the rear part, so that when the auger rotates, materials can be accumulated at a sealing spacer at the rear end of the auger in the process of pushing forward the materials, the materials can be blocked in a first step, a small part of dust can enter a framework sealing ring from the sealing spacer after being used for a period of time, the framework sealing ring can prevent the materials from flowing out for the second time and can protect the bearing, and finally the materials from flowing out is a sealing pad arranged at the inner side of a bearing gland.
The sealing structure can not solve the technical problem that high-temperature waste gas of the high-temperature reaction kettle caused by insufficient materials flows into the solid waste crushing mechanism at the front end of the upward channeling through a gap between the auger shaft and the sludge crushed aggregates.
Disclosure of Invention
In order to solve the technical problems, the invention provides a pyrolysis reaction kettle with a feeding auger. The following technical scheme is adopted:
the utility model provides a pyrolysis reaction kettle with feeding auger, includes solid useless reducing mechanism, feeding auger and pyrolysis reaction kettle, the feed inlet setting of feeding auger is in the exit of solid useless reducing mechanism, and the discharge gate of feeding auger is in butt joint with pyrolysis reaction kettle's feed inlet for with solid useless after smashing carry into solid useless pyrolysis reaction kettle, feeding auger includes feeding auger pipe, mud crushed aggregates inlet pipe, auger axle, drive arrangement and at least one sealing device based on reversing blade, the both ends of auger axle pass through the bearing assembly respectively at feeding auger pipe inner wall both ends, and feeding auger pipe's one end top sets up the feed inlet, and the middle part sets up mud crushed aggregates and piles up the mouth, and the other end bottom sets up the discharge gate, sealing device sets up at feeding auger pipe's middle part, adopts the mode of anti-spin pile material to pile up mud crushed aggregates in feeding auger pipe's middle part, realize gas seal and keep apart, drive arrangement sets up in feeding auger pipe's one side to link to each other with auger axle transmission through transmission for driving auger axle rotation, the inlet of solid crushed aggregates's export and feeding auger pipe is connected respectively to the both ends of crushed aggregates.
Through adopting above-mentioned technical scheme, when pyrolysis reation kettle is based on pyrolysis method and is handled solid useless, it smashes solid useless earlier, smash into the granule through solid useless reducing mechanism solid useless, the particle diameter of granule is not more than one centimetre, can improve pyrolysis reation kettle's reaction efficiency, the solid useless after smashing is carried into pyrolysis reation kettle's feed inlet through the feeding auger, because solid useless is constantly added, and pyrolysis reation kettle bottom's waste residue is constantly discharged, be a pipelined's solid waste pyrolysis treatment method, if the feeding auger does not carry out sealed setting, under the insufficient condition of feeding auger, the high temperature hot gas that constantly produces in the pyrolysis reation kettle will be followed the clearance recoil between feeding auger inner wall and the mud crushed aggregates and to solid useless reducing mechanism in, to solid useless reducing mechanism causes the risk, adopt sealing device based on reversing blade, can be when carrying solid useless crushing, pile up the mud at the middle part of feeding auger pipe in the mode of adopting the anti-rotation material, realize gas seal isolation, just realize the effect of feeding seal, simple structure, sealed outstanding effect.
Optionally, the sealing device comprises a feeding end forward rotating blade, a reverse rotating blade, a sludge crushed aggregates accumulation chamber, a discharging end forward rotating blade and a plurality of pressure detection modules;
the feeding end forward rotating blades are assembled on the auger shaft and positioned below the sludge crushed aggregates feeding port and are used for conveying the sludge crushed aggregates entering from the sludge crushed aggregates feeding port to the direction of the sludge crushed aggregates discharging port;
the sludge crushed aggregates accumulation chamber is arranged at the sludge crushed aggregates accumulation opening, the reversing blades are assembled on the auger shaft and driven by the auger shaft to rotate, and the rotating direction of the reversing blades is opposite to that of the forward rotating blades, so that the sludge crushed aggregates are pushed upwards into the sludge crushed aggregates accumulation chamber above;
the discharge end forward rotating blade is assembled on the auger shaft and positioned behind the reverse rotating blade and is used for continuously conveying the sludge crushed aggregates overflowed downwards from the sludge crushed aggregate accumulation chamber to the direction of a discharge port of the sludge crushed aggregates;
the plurality of pressure detection modules are uniformly arranged at the top inner wall of the sludge crushed aggregates accumulation chamber and respectively monitor the stacking pressure value of the top inner wall of the sludge crushed aggregates accumulation chamber.
By adopting the technical scheme, one end of the auger shaft, which is close to the top of the shell of the feeding auger pipe, is provided with a feeding end forward rotating blade, and the feeding end forward rotating blade normally conveys sludge crushed aggregates generated by the solid waste pyrolysis reaction kettle which is fed by the sludge crushed aggregates feeding pipe to one side of a sludge crushed aggregates discharging hole of the feeding auger pipe;
the tail end of the feeding end forward rotating blade is provided with a reverse rotating blade, and the reverse rotating blade and the feeding end forward rotating blade are both arranged on the auger shaft and have opposite rotating directions, so that sludge particles are pushed to a sludge particle stacking cavity under the combined action of the reverse rotating blade and the feeding end forward rotating blade and the reverse rotating blade and the feeding end forward rotating blade are pushed to one side behind the inner wall of the top of the sludge particle stacking cavity to slide to the end part of the discharging end forward rotating blade when stacked to a certain height or propped against the inner wall of the top of the sludge particle stacking cavity, and the sludge particles are continuously conveyed forwards under the forward rotating conveying action of the discharging end forward rotating blade until being conveyed to the bottom of a feeding auger pipe and discharged to a sludge particle storage device;
under the accumulation action of the sludge crushed aggregates in the sludge crushed aggregate accumulation chamber, the flow of high-heat gas is greatly hindered, the high-heat waste gas is prevented from being continuously transmitted through the inner space of the auger, and the uncontrollable risk of the high-heat waste gas in the prior art is solved;
the number of the sealing devices can be two, and as the solid waste treatment capacity of the pyrolysis reaction kettle is large, a section of forward rotating blades is arranged between the two sealing devices, so that a better sealing effect can be realized;
because the solid waste crushed aggregates can produce the condition of putty and influence the transportation of normal solid waste crushed aggregates in the transportation process, adopt a plurality of pressure detection modules to evenly set up in the top inner wall department of mud crushed aggregates pile-up chamber, monitor the windrow pressure value of the top inner wall of mud crushed aggregates pile-up chamber respectively, can realize the pressure detection to each check point, when the detection pressure is too big, can consider that the jam has appeared in this department, need in time handle, avoid influencing drive arrangement's operational safety.
Optionally, the sludge crushed aggregates stacking chamber is a rectangular metal shell with an opening at one side, and one side of the opening is fixedly arranged at a sludge crushed aggregates stacking opening at the top of the feeding auger pipe.
Optionally, the mud crushed aggregates pile up the cavity and cover plate including piling up the cavity and the apron, pile up the upper and lower both ends of cavity and be the opening, the lower extreme opening sets up the mud crushed aggregates pile up mouthful department at feeding auger pipe top, the apron can open and shut through the pivot and set up the tip opening part at piling up the cavity, and when the apron withhold the tip opening of piling up the cavity, seal through locking device and sealing washer and lock.
Through adopting above-mentioned technical scheme, adopt this kind of one side open-ended rectangle metal casing's structure, simple structure is durable, installs convenient. The sludge crushed aggregates stacking chamber can also be of a structure with a cover plate, and can be sealed and locked through a locking device and a sealing ring, so that maintenance can be performed when clamping occurs.
Optionally, the reverse rotation blade is a single reverse rotation blade, the blade size is consistent with that of the feeding end forward rotation blade, the rotation direction is opposite to that of the feeding end forward rotation blade, the feeding end forward rotation blade and the reverse rotation blade are combined to lift the sludge particles upwards into the sludge particle stacking chamber under the rotation driving of the auger shaft, and when the sludge particles contact the inner wall of the top of the sludge particle stacking chamber, the sludge particles slide to the end part of the discharging end forward rotation blade.
Through adopting above-mentioned technical scheme, the effect of single reversal blade only produces a thrust to push up the mud crushed aggregates into mud crushed aggregates and piles up the cavity to solve the technical problem of high heat exhaust gas control circulation.
Optionally, the pressure detection module includes pressure detection piece, pressure sensor, detection circuit board and the industry display screen based on the chip, and the inboard of apron sets up a plurality of pressure detection piece installation cavity, the pressure detection piece sets up in pressure detection piece installation cavity, pressure sensor sets up between pressure detection piece and apron inboard for detect the ascending pressure of mud crushed aggregates that the pressure detection piece bore, the pressure sensor of a plurality of pressure detection module respectively with detection circuit board communication connection, detection circuit board and industry display screen communication connection carry out pressure distribution and show based on the pressure value of the pressure sensor monitoring of a plurality of pressure detection module.
Through adopting above-mentioned technical scheme, the design thinking of pressure detection module adopts the combination of pressure sensor and pressure detection piece, pressure sensor plays the effect of protection to pressure sensor, pressure sensor can set up in pressure detection piece installation cavity, and need seal the setting all around, avoid the particle to enter into pressure detection piece installation cavity, the solid useless crushed aggregates is by reversing blade and feed end corotation blade's combined action with mud crushed aggregates to pile up the cavity, when pile up to certain height or support the apron of mud crushed aggregates pile up the cavity, can extrude pressure detection piece necessarily, the solid useless crushed aggregates can slide to the tip of discharge end corotation blade to one side under the normal condition, forward transport is continued under the corotation transport effect of discharge end corotation blade, in case the pressure sensor can be extruded to the pressure detection piece of jam, the pressure value that pressure sensor measured will grow, the detection circuit board based on the chip sets up pressure alarm threshold, just consider that this detection position appears the jam condition when the pressure value that pressure sensor measured exceeds pressure alarm threshold, because the size of feeding auger is great, consequently, the safety risk of leak detection that the mode caused by adopting the multiple spot detection is avoided;
the value detected by the pressure sensor can be displayed in real time through an industrial display screen, the industrial display screen can be installed in a main control room of a production line, and the industrial display screen can also warn staff based on the red display of the pressure value exceeding the pressure alarm threshold value.
Optionally, the anti-blocking device comprises a plurality of vibrators, a plurality of mounting pieces and a vibration controller based on a singlechip, wherein the plurality of vibrators are detachably mounted on the outer side face of the cover plate respectively through the plurality of mounting pieces and correspond to the middle positions of the four adjacent pressure sensors, and the vibration controller is in communication connection with the detection circuit board and is in control connection with the plurality of vibrators respectively.
Optionally, the feeding auger pipe also comprises an audible and visual alarm and an alarm controller based on a singlechip, wherein the audible and visual alarm is arranged at the top of the feeding auger pipe, and the alarm controller is respectively in control connection with the detection circuit board and the vibration controller and controls the alarm action of the audible and visual alarm according to the detection value of the detection circuit board after the vibration controller works.
Optionally, the driving device is a motor speed reducer unit, and the alarm controller is also in control connection with the driving device.
Optionally, the control method of the alarm controller is as follows: after the vibration controller is arranged to control the vibrator to vibrate for 5 seconds, the pressure value detected by the vibrator corresponding to the pressure sensor is larger than a set threshold value, and the alarm controller controls the audible and visual alarm to alarm and controls the driving device to stop.
Through adopting above-mentioned technical scheme, the mounted position of a plurality of vibrators of array vibration anti-blocking device corresponds with the intermediate position of four adjacent pressure sensor of a plurality of pressure detection module respectively, if there is the pressure value of arbitrary pressure sensor to be greater than and set up pressure alarm threshold value, vibration controller control the vibrator that is closest opens vibration, vibration time sets up to 3-5 seconds, generally the solid useless crushed aggregates of solid useless for the crushed aggregates of jam position is enough to 3-5 seconds's vibration time, if after appearing 5 seconds, the pressure value that this pressure sensor detected still is greater than and sets up pressure alarm threshold value, or more, alarm controller needs to control audible-visual annunciator warning, and control drive arrangement shut down, avoid causing drive arrangement's motor to damage.
In summary, the present invention includes at least one of the following beneficial technical effects:
the invention can provide a pyrolysis reaction kettle with a feeding auger, when the pyrolysis reaction kettle is used for treating solid waste based on a pyrolysis method, the solid waste is crushed firstly, the crushed solid waste is conveyed into a feed port of the pyrolysis reaction kettle through the feeding auger, the solid waste is continuously added, and waste residues at the bottom of the pyrolysis reaction kettle are continuously discharged, so that the pyrolysis reaction kettle is a pipelined solid waste pyrolysis treatment method, and a sealing device based on a reverse rotation blade is adopted, so that sludge crushed aggregates are accumulated in the middle part of a feeding auger pipe in a reverse rotation stacking mode while the solid waste is conveyed, gas sealing and isolation are realized, the effect of feeding sealing is realized, the structure is simple, and the sealing effect is outstanding.
The mounting positions of a plurality of vibrators of the array type vibration anti-blocking device correspond to the middle positions of four adjacent pressure sensors of a plurality of pressure detection modules respectively, and the risk of motor damage caused by blockage of solid waste particles can be avoided in a precise vibration mode.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the feed auger of the present invention;
FIG. 3 is a schematic illustration of the flow principle of the solid waste chaff of the feed auger of the present invention;
FIG. 4 is a schematic view of the arrangement of the pressure sensing block on the inside face of the cover plate of the sealing device of the present invention;
FIG. 5 is a schematic view of the vibrator placement on the outside face of the cover plate of the sealing device of the present invention;
fig. 6 is a schematic diagram of the connection principle of the individual electrical devices of the present invention.
Reference numerals illustrate: 10. a feeding auger; 1. a feed auger tube; 2. a sludge crushed aggregates feeding pipe; 3. an auger shaft; 4. a feed end forward rotating blade; 51. reversing the blade; 52. a sludge crushed aggregates accumulation chamber; 521. a stacking chamber cavity; 522. a cover plate; 523. a locking device; 71. a pressure detection block; 72. a pressure sensor; 73. a detection circuit board; 74. an industrial display screen; 76. a vibrator; 78. a vibration controller; 791. an audible and visual alarm; 792. an alarm controller; 6. a discharge end forward rotating blade; 7. a discharge pipe; 8. a driving device; 100. a pyrolysis reaction kettle; 101. solid waste crushing device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the invention discloses a pyrolysis reaction kettle with a feeding auger.
Referring to fig. 1-6, embodiment 1, a pyrolysis reaction kettle with feeding auger, including solid waste smashing device 101, feeding auger 10 and pyrolysis reaction kettle 100, feeding auger 10's feed inlet sets up the exit at solid waste smashing device 101, feeding auger 10's discharge gate and pyrolysis reaction kettle 100's feed inlet butt joint, be used for carrying the solid waste after smashing into solid waste pyrolysis reaction kettle 100, feeding auger 10 includes feeding auger pipe 1, mud crushed aggregates inlet pipe 2, auger axle 3, drive arrangement 8 and at least one sealing device based on reversing blade, auger axle 3's both ends pass through the bearing assembly respectively at feeding auger pipe 1 inner wall both ends, feeding auger pipe 1's one end top sets up the feed inlet, the middle part sets up mud crushed aggregates and piles up the mouth, the other end bottom sets up the discharge gate, sealing device sets up at feeding auger pipe 1's middle part, adopt the mode of anti-spin material pile up mud crushed aggregates at feeding auger pipe 1's middle part, realize gas seal isolation, drive arrangement 8 sets up in feeding auger pipe 1's one side, and link to each other through transmission 3 with transmission, be used for driving auger axle 3's solid waste aggregates inlet pipe 1's both ends, it is smashed to drive arrangement's inlet 3 respectively to rotate.
When the pyrolysis reaction kettle 100 is used for treating solid waste based on a pyrolysis method, the solid waste is crushed firstly, the solid waste is crushed into particles through a solid waste crushing device 101, the particle size of the particles is not more than one centimeter, the reaction efficiency of the pyrolysis reaction kettle 100 can be improved, the crushed solid waste is conveyed into a feed port of the pyrolysis reaction kettle 100 through a feed auger 10, the solid waste is continuously added, waste residues at the bottom of the pyrolysis reaction kettle 100 are continuously discharged, the method is a pipelined solid waste pyrolysis treatment method, if the feed auger 10 is not in sealing arrangement, high-temperature hot gas continuously generated in the pyrolysis reaction kettle 100 can be backflushed into the solid waste crushing device 101 from a gap between the inner wall of the feed auger 10 and the sludge crushed aggregates, the risk is caused for the solid waste crushing device 101, and the sealing device based on reversing blades can be used for conveying the solid waste to crush and simultaneously piling up the sludge in the middle part of the feed auger pipe 1 in a reverse rotation material piling manner, so that the sealing and isolating effects of feeding and sealing are realized, the structure is simple, and the sealing effect is outstanding.
Embodiment 2, the sealing device comprises a feeding end forward rotating blade 4, a reverse rotating blade 51, a sludge crushed aggregates accumulating chamber 52, a discharging end forward rotating blade 6 and a plurality of pressure detection modules;
the feeding end forward rotating blade 4 is assembled on the auger shaft 3 and positioned below the sludge crushed aggregates feeding port and is used for conveying the sludge crushed aggregates entering from the sludge crushed aggregates feeding port to the direction of the sludge crushed aggregates discharging port;
the sludge crushed aggregates accumulating chamber 52 is arranged at the sludge crushed aggregates accumulating opening, the reversing blade 51 is assembled on the auger shaft 3 and driven by the auger shaft 3 to rotate in the opposite direction to the forward rotating blade 4, and is used for pushing the sludge crushed aggregates upwards into the sludge crushed aggregates accumulating chamber 52 above;
the discharge end forward rotating blade 6 is assembled on the auger shaft 3 and positioned behind the reverse rotating blade 51 and is used for continuously conveying the sludge crushed aggregates overflowed downwards from the sludge crushed aggregates accumulating chamber 52 to the direction of a discharge port of the sludge crushed aggregates;
the plurality of pressure detection modules are uniformly arranged at the top inner wall of the sludge crushed aggregates stacking chamber 52 and respectively monitor the stacking pressure value of the top inner wall of the sludge crushed aggregates stacking chamber 52.
A feeding end forward rotating blade 4 is arranged at one end of the auger shaft 3, which is close to the feeding inlet of the feeding auger pipe 1, at the top of the shell, and the feeding end forward rotating blade 4 normally conveys the sludge crushed aggregates generated by the solid waste pyrolysis reactor 100 entering from the sludge crushed aggregates feeding pipe 2 to one side of the sludge crushed aggregates discharging outlet of the feeding auger pipe 1;
the tail end of the feeding end forward rotating blade 4 is provided with a reverse rotating blade 51, the reverse rotating blade 51 and the feeding end forward rotating blade 4 are both arranged on the auger shaft 3 and rotate in opposite directions, so that sludge scraps can be pushed to a sludge scraps stacking chamber 52 under the combined action of the reverse rotating blade 51 and the feeding end forward rotating blade 4, when the sludge scraps are stacked to a certain height or propped against the inner wall of the top of the sludge scraps stacking chamber 52, one side of the rear side slides to the end of the discharging end forward rotating blade 6, and the sludge scraps are continuously conveyed forwards under the forward rotating conveying action of the discharging end forward rotating blade 6 until the sludge scraps at the bottom of the feeding auger pipe 1 are discharged to a sludge scraps storage device;
because the sludge crushed aggregates are piled up in the sludge crushed aggregates piling up chamber 52, the flow of the hot gas is greatly blocked, the continuous transmission of the hot waste gas through the inner space of the auger is prevented, and the uncontrollable risk of the hot waste gas in the prior art is solved;
in embodiment 3, the number of the sealing devices can be two, and as the solid waste treatment capacity of the pyrolysis reaction kettle 100 is larger, a section of forward rotating blades is arranged between the two sealing devices, so that a better sealing effect can be realized;
because the solid waste crushed aggregates can produce the condition of putty and influence the transportation of normal solid waste crushed aggregates in the transportation process, adopt a plurality of pressure detection modules to evenly set up in the top inner wall department of mud crushed aggregates pile up cavity 52, monitor the windrow pressure value of the top inner wall of mud crushed aggregates pile up cavity 52 respectively, can realize the pressure detection to each check point, when the check pressure is too big, can consider that the jam has appeared in this place, need in time handle, avoid influencing the operational safety of drive arrangement 8.
In example 4, the sludge and crushed aggregates stacking chamber 52 is a rectangular metal housing with one side open, and one side open is fixedly installed at the sludge and crushed aggregates stacking port at the top of the feeding screw pipe 1.
In embodiment 5, the sludge and crushed aggregates stacking chamber 52 comprises a stacking chamber 521 and a cover plate 522, wherein the upper end and the lower end of the stacking chamber 521 are both openings, the lower end of the stacking chamber is provided with an opening at the sludge and crushed aggregates stacking opening at the top of the feeding auger pipe 1, the cover plate 522 is provided at the opening of the end of the stacking chamber 521 in an openable manner through a rotating shaft, and when the cover plate 522 buckles the opening of the end of the stacking chamber 521, the sealing and locking are performed through a locking device 523 and a sealing ring.
The rectangular metal shell with one side open has the advantages of simple and durable structure and convenient installation. The sludge crushed aggregates accumulation chamber 52 can also be a structure with a cover plate 522, and can be sealed and locked through a locking device 523 and a sealing ring, so that maintenance can be performed when material clamping occurs.
In embodiment 6, the reversing blade 51 is a single reversing blade, the blade size is consistent with that of the feeding end forward rotating blade 4, the rotating direction is opposite to that of the feeding end forward rotating blade 4, the feeding end forward rotating blade 4 and the reversing blade 51 are combined to lift the sludge particles upwards into the sludge particle stacking chamber 52 under the rotation driving of the auger shaft 3, and when the sludge particles contact with the inner wall of the top of the sludge particle stacking chamber 52, the sludge particles slide down to the end of the discharging end forward rotating blade 6.
The effect of the single counter-rotating blade is to create a counter-thrust force to push the sludge particles upward into the sludge particle accumulation chamber 52, thereby solving the technical problem of high heat exhaust gas control flow.
Embodiment 7, the pressure detection module includes pressure detection block 71, pressure sensor 72, detection circuit board 73 and industry display screen 74 based on the chip, the inboard of apron 522 sets up a plurality of pressure detection block installation chambeies, pressure detection block 71 sets up in pressure detection block installation chambeies, pressure sensor 72 sets up between pressure detection block 71 and apron 522 inboard for detect the ascending pressure of mud crushed aggregates that pressure detection block 71 bore, the pressure sensor 72 of a plurality of pressure detection module respectively with detect circuit board 73 communication connection, detect circuit board 73 and industry display screen 74 communication connection, carry out the pressure distribution demonstration based on the pressure value that pressure sensor 72 of a plurality of pressure detection module monitored.
The design thought of the pressure detection module adopts the combination of the pressure sensor 72 and the pressure detection block 71, the pressure detection block 71 plays a role in protecting the pressure sensor 72, the pressure sensor 72 can be arranged in a pressure detection block mounting cavity, sealing is needed around the pressure detection block, broken particles are prevented from entering the pressure detection block mounting cavity, solid waste broken particles are pushed to the sludge broken particle accumulation cavity 52 under the combined action of the reversing blade 51 and the feeding end forward rotating blade 4, when the solid waste broken particles are accumulated to a certain height or are propped against a cover plate 522 of the sludge broken particle accumulation cavity 52, the pressure detection block 71 is necessarily extruded, the solid waste broken particles can slide to one side to the end part of the discharging end forward rotating blade 6 under the normal condition, the pressure detection block 71 continues to be conveyed forwards under the forward rotating conveying effect of the discharging end forward rotating blade 6, the pressure detection block 72 is extruded once the blocking condition occurs, the pressure value measured by the pressure sensor 72 is increased, a pressure alarm threshold is set on the basis of a detection circuit board 73 of a chip, the blocking condition occurs at the detection position when the pressure value measured by the pressure sensor 72 exceeds the pressure alarm threshold, and the size of the feeding winch 10 is detected by adopting a multi-point detection mode, and the risk of blocking is avoided;
the value detected by the pressure sensor 72 can be displayed in real time through an industrial display screen 74, the industrial display screen 74 can be installed in a main control room of a production line, and the industrial display screen 74 can also warn staff based on the red display of the pressure value exceeding the pressure alarm threshold.
Embodiment 8 further includes an array vibration anti-blocking device, where the array vibration anti-blocking device includes a plurality of vibrators 76, a plurality of mounting members, and a vibration controller 78 based on a single chip microcomputer, where the plurality of vibrators 76 are detachably mounted on the outer side surface of the cover plate 522 through the plurality of mounting members, and correspond to the middle positions of the four adjacent pressure sensors 72, and the vibration controller 78 is in communication connection with the detection circuit board 73, and is in control connection with the plurality of vibrators 76, respectively.
Embodiment 9 further comprises an audible and visual alarm 791 and an alarm controller 792 based on a single chip microcomputer, wherein the audible and visual alarm 79 is arranged at the top of the feeding auger pipe 1, the alarm controller 792 is respectively in control connection with the detection circuit board 73 and the vibration controller 78, and the alarm action of the audible and visual alarm 791 is controlled according to the detection value of the detection circuit board 73 after the vibration controller 78 works.
The driving device 8 is a motor speed reducer set, and the alarm controller 792 is also in control connection with the driving device 8.
In embodiment 10, the control method of the alarm controller 792 is as follows: after the vibration controller 78 is set to control the vibrator 76 to vibrate for 5 seconds, the pressure value detected by the vibrator 76 corresponding to the pressure sensor 72 is larger than the set threshold value, the alarm controller 792 controls the audible and visual alarm 791 to alarm, and controls the driving device 8 to stop.
The installation positions of the plurality of vibrators 76 of the array vibration anti-blocking device respectively correspond to the middle positions of the four adjacent pressure sensors 72 of the plurality of pressure detection modules, if the pressure value of any one pressure sensor 72 is larger than the set pressure alarm threshold value, the vibration controller 78 controls the nearest vibrator 76 to start vibrating, the vibrating time is set to 3-5 seconds, the solid waste is crushed aggregates in general, the vibrating time of 3-5 seconds is enough to enable the solid waste crushed aggregates at the blocking position to slide down, if the pressure value detected by the pressure sensor 72 is still larger than the set pressure alarm threshold value or larger after 5 seconds occur, the alarm controller 792 needs to control the audible and visual alarm 791 to alarm, and controls the driving device 8 to stop, so that the motor of the driving device 8 is prevented from being damaged.
The above embodiments are not intended to limit the scope of the present invention, and therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (10)
1. Pyrolysis reaction kettle with feeding auger, its characterized in that: including solid useless reducing mechanism (101), feeding auger (10) and pyrolysis reaction kettle (100), the feed inlet setting of feeding auger (10) is in the exit of solid useless reducing mechanism (101), the discharge gate of feeding auger (10) is in butt joint with the feed inlet of pyrolysis reaction kettle (100), be used for with the solid useless after smashing carry enter into solid useless pyrolysis reaction kettle (100), feeding auger (10) are including feeding auger pipe (1), mud crushed aggregates inlet pipe (2), auger axle (3), drive arrangement (8) and at least one sealing device based on reversing blade, the both ends of auger axle (3) are assembled at feeding auger pipe (1) inner wall both ends through the bearing respectively, the one end top of feeding auger pipe (1) sets up the feed inlet, the middle part sets up mud crushed aggregates and piles up the mouth, the other end bottom sets up the discharge gate, sealing device sets up the middle part of feeding auger pipe (1) with the solid useless after smashing carry out to enter into solid useless pyrolysis reaction kettle (100), realize gas seal isolation, drive arrangement (8) set up at one side of the auger pipe (1) and the solid auger (3) and are connected with mud (1) through the drive arrangement that the inlet pipe (3) is used for smashing the inlet of auger (1) and the waste auger (3) respectively.
2. The pyrolysis reactor with feed auger according to claim 1, wherein: the sealing device comprises a feeding end forward rotating blade (4), a reverse rotating blade (51), a sludge crushed aggregates stacking chamber (52), a discharging end forward rotating blade (6) and a plurality of pressure detection modules;
the feeding end forward rotating blades (4) are assembled on the auger shafts (3) and positioned below the sludge crushed aggregates feeding openings, and are used for conveying the sludge crushed aggregates entering from the sludge crushed aggregates feeding openings to the direction of the sludge crushed aggregates discharging openings;
the sludge crushed aggregates accumulating chamber (52) is arranged at the sludge crushed aggregates accumulating opening, the reversing blades (51) are assembled on the auger shaft (3) and rotate under the drive of the auger shaft (3), and the rotating direction of the reversing blades is opposite to that of the forward rotating blades (4) and are used for pushing the sludge crushed aggregates upwards into the sludge crushed aggregates accumulating chamber (52) above;
the discharge end forward rotating blade (6) is assembled on the auger shaft (3) and positioned behind the reverse rotating blade (51) and is used for continuously conveying the sludge crushed aggregates overflowed downwards from the sludge crushed aggregates accumulating chamber (52) to the direction of a sludge crushed aggregates discharge port;
the pressure detection modules are uniformly arranged at the top inner wall of the sludge crushed aggregates accumulation chamber (52) and respectively monitor the stacking pressure value of the top inner wall of the sludge crushed aggregates accumulation chamber (52).
3. The pyrolysis reactor with feed auger according to claim 2, wherein: the sludge crushed aggregates stacking chamber (52) is a rectangular metal shell with one side open, and one side of the opening is fixedly arranged at a sludge crushed aggregates stacking opening at the top of the feeding auger pipe (1).
4. The pyrolysis reactor with feed auger according to claim 2, wherein: the sludge crushed aggregates accumulation chamber (52) comprises an accumulation chamber cavity (521) and a cover plate (522), wherein the upper end and the lower end of the accumulation chamber cavity (521) are both openings, the opening at the lower end is arranged at the sludge crushed aggregates accumulation opening at the top of the feeding auger pipe (1), the cover plate (522) can be opened and closed through a rotating shaft to be arranged at the opening at the end of the accumulation chamber cavity (521), and when the cover plate (522) is buckled on the opening at the end of the accumulation chamber cavity (521), the cover plate is tightly locked through a locking device (523) and a sealing ring.
5. The pyrolysis reactor with feed auger according to claim 2, wherein: the reversing blades (51) are single reversing blades, the blade size is consistent with that of the feeding end forward rotating blades (4), the rotating direction is opposite to that of the feeding end forward rotating blades (4), under the rotation driving of the auger shaft (3), the feeding end forward rotating blades (4) and the reversing blades (51) are combined to lift sludge scraps upwards into the sludge scraps stacking chamber (52), and when the sludge scraps contact the inner wall of the top of the sludge scraps stacking chamber (52), the sludge scraps slide to the end part of the discharging end forward rotating blades (6).
6. The pyrolysis reactor with feed auger according to claim 2, wherein: the pressure detection module comprises a pressure detection block (71), a pressure sensor (72), a chip-based detection circuit board (73) and an industrial display screen (74), wherein a plurality of pressure detection block installation cavities are formed in the inner side of a cover plate (522), the pressure detection block (71) is arranged in the pressure detection block installation cavities, the pressure sensor (72) is arranged between the pressure detection block (71) and the inner side of the cover plate (522) and is used for detecting upward pressure of sludge particles borne by the pressure detection block (71), the pressure sensors (72) of the plurality of pressure detection modules are respectively in communication connection with the detection circuit board (73), and the detection circuit board (73) is in communication connection with the industrial display screen (74) and performs pressure distribution display based on pressure values monitored by the pressure sensors (72) of the plurality of pressure detection modules.
7. The pyrolysis reactor with feed auger according to claim 2, wherein: the anti-blocking device comprises a plurality of vibrators (76), a plurality of mounting pieces and a vibration controller (78) based on a single chip microcomputer, wherein the vibrators (76) are detachably mounted on the outer side face of a cover plate (522) respectively through the mounting pieces and correspond to the middle positions of four adjacent pressure sensors (72), and the vibration controller (78) is in communication connection with a detection circuit board (73) and is in control connection with the vibrators (76) respectively.
8. The pyrolysis reactor with feed auger according to claim 7, wherein: the novel feeding auger pipe is characterized by further comprising an audible-visual alarm (791) and an alarm controller (792) based on a single chip microcomputer, wherein the audible-visual alarm (79) is arranged at the top of the feeding auger pipe (1), and the alarm controller (792) is respectively in control connection with a detection circuit board (73) and a vibration controller (78) and controls alarm action of the audible-visual alarm (791) according to detection values of the detection circuit board (73) after the vibration controller (78) works.
9. The pyrolysis reactor with feed auger according to claim 8, wherein: the driving device (8) is a motor speed reducer group, and the alarm controller (792) is also in control connection with the driving device (8).
10. The pyrolysis reactor with feed auger according to claim 9, wherein: the control method of the alarm controller (792) is as follows: after the vibration controller (78) is arranged to control the vibrator (76) to vibrate for 5 seconds, the pressure value detected by the vibrator (76) corresponding to the pressure sensor (72) is larger than a set threshold value, and the alarm controller (792) controls the audible and visual alarm (791) to alarm and controls the driving device (8) to stop.
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| CN202311253614.6A CN117228919A (en) | 2023-09-27 | 2023-09-27 | Pyrolysis reaction kettle with feeding auger |
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| CN202311253614.6A CN117228919A (en) | 2023-09-27 | 2023-09-27 | Pyrolysis reaction kettle with feeding auger |
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