CN117072985A - Waste spinning treatment system and treatment method thereof - Google Patents
Waste spinning treatment system and treatment method thereof Download PDFInfo
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- CN117072985A CN117072985A CN202311134488.2A CN202311134488A CN117072985A CN 117072985 A CN117072985 A CN 117072985A CN 202311134488 A CN202311134488 A CN 202311134488A CN 117072985 A CN117072985 A CN 117072985A
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- flue gas
- waste
- dust particles
- vertical section
- temperature flue
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- 239000002699 waste material Substances 0.000 title claims abstract description 144
- 208000012886 Vertigo Diseases 0.000 title claims abstract description 118
- 238000009987 spinning Methods 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 158
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 140
- 239000003546 flue gas Substances 0.000 claims abstract description 140
- 239000000428 dust Substances 0.000 claims abstract description 112
- 239000000463 material Substances 0.000 claims abstract description 88
- 239000003245 coal Substances 0.000 claims abstract description 54
- 239000012265 solid product Substances 0.000 claims abstract description 54
- 239000000779 smoke Substances 0.000 claims description 34
- 238000000926 separation method Methods 0.000 claims description 19
- 238000010298 pulverizing process Methods 0.000 claims description 11
- 230000000630 rising effect Effects 0.000 claims description 10
- 239000004753 textile Substances 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 4
- 238000009270 solid waste treatment Methods 0.000 claims 1
- 239000002817 coal dust Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 14
- 239000002910 solid waste Substances 0.000 description 14
- 238000000197 pyrolysis Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000005422 blasting Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
-
- 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
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- 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
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
-
- 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
- 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
- F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
-
- 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
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- 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
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
-
- 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
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
Abstract
The invention discloses a waste spinning treatment system and a waste spinning treatment method based on the waste spinning treatment system, wherein the waste spinning treatment system comprises a coal dust furnace, a flue, a feeding device and a crushing device, wherein both ends of the flue are connected with the coal dust furnace so as to be suitable for high-temperature flue gas generated in the coal dust furnace to circulate into the coal dust furnace along the flue, the flue comprises a vertical section, and the high-temperature flue gas vertically flows downwards in the vertical section; the feeding device is connected with the upper end of the vertical section; one end of the crushing device is connected with the lower end of the vertical section, and the crushing device crushes waste spinning materials and solid products which are not completely pyrolyzed to form dust particles and conveys the dust particles back into the flue so that the dust particles are conveyed into the pulverized coal furnace by high-temperature flue gas to be burnt and utilized. The waste spinning treatment system and the waste spinning treatment method based on the waste spinning treatment system have the advantages of good waste spinning treatment effect and low cost.
Description
Technical Field
The invention relates to the technical field of waste treatment equipment, in particular to a waste spinning treatment system and a waste spinning treatment method based on the waste spinning treatment system.
Background
The waste textile has more fiber types, is treated by various chemicals in the textile dyeing and finishing process, has different combustion performance and gas components generated after combustion, needs to be treated and utilized by high-temperature incineration, and has lower energy utilization efficiency, small treatment scale and higher investment cost in waste textile incineration facilities such as rotary furnaces in related technologies.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides a waste spinning treatment system, which has the advantages of better waste spinning treatment effect and lower cost.
The waste spinning treatment system comprises a coal dust furnace; the two ends of the flue are connected with the pulverized coal furnace so as to be suitable for high-temperature flue gas generated in the pulverized coal furnace to circulate into the pulverized coal furnace along the flue, the flue comprises a vertical section, and the high-temperature flue gas vertically flows downwards in the vertical section; the feeding device is connected with the upper end of the vertical section and is suitable for throwing waste spinning materials into the vertical section, so that the waste spinning materials are in contact with high-temperature flue gas in the vertical section to be pyrolyzed, and solid products with particle sizes larger than a set value and dust particles with particle sizes smaller than the set value are produced; and one end of the crushing device is connected with the lower end of the vertical section, so that waste spinning materials and solid products which are not completely pyrolyzed in the vertical section fall into the crushing device, and the crushing device crushes the waste spinning materials and the solid products which are not completely pyrolyzed into dust particles and conveys the dust particles back into the flue so as to enable the dust particles to be conveyed into the pulverized coal furnace by high-temperature flue gas for incineration and utilization.
The waste spinning treatment system provided by the embodiment of the invention utilizes high-temperature flue gas generated in the pulverized coal furnace to pyrolyze waste spinning materials, the waste spinning materials are contacted with the high-temperature flue gas flowing in the vertical section to carry out pyrolysis after being thrown into the vertical section, the waste spinning materials are pyrolyzed to generate combustible gas, solid products with larger particle sizes, dust particles with smaller particle sizes and non-pyrolyzed waste spinning materials, wherein the combustible gas and the dust particles with smaller particle sizes can flow under the carrying of the high-temperature flue gas flow, the solid products with larger particle sizes and the non-pyrolyzed waste spinning materials fall into the smashing device, the smashing device smashes the solid products with larger particle sizes and the non-pyrolyzed waste spinning materials to form dust particles, and the high-temperature flue gas flow in the flue carries the dust particles into the pulverized coal furnace to carry out incineration treatment.
The waste spinning treatment system provided by the embodiment of the invention utilizes the high-temperature flue gas generated by the pulverized coal furnace to pyrolyze the waste spinning materials, and the crushing device is used for crushing the solid products with larger particle sizes and the waste spinning materials which are not pyrolyzed into dust particles so as to facilitate the high-temperature flue gas to be conveyed into the pulverized coal furnace.
In some embodiments, the vertical section is provided with an air outlet and a storage section for the flue gas to flow out of the vertical section from the air outlet, and the storage section is arranged at the lower side of the air outlet to store the waste spun material and solid products which are not completely pyrolyzed;
the crushing device comprises a feeding valve, the feeding valve is arranged at the lower end of the vertical section, and the feeding valve can be opened when the waste spinning materials and solid products which are not completely pyrolyzed in the storage section are larger than a set threshold value, so that the waste spinning materials and solid products which are not completely pyrolyzed in the storage section are discharged into the crushing device for crushing.
In some embodiments, the waste spin treatment system further comprises a blower device disposed within the flue downstream of the vertical section to accelerate the high temperature air flow within the flue, the other end of the comminution device is connected to the flue, and the other end of the comminution device is downstream of the blower device to discharge the dust particles downstream of the blower device.
In some embodiments, the waste spin treatment system further comprises a separation device disposed between the vertical section and the blower device, the separation device being adapted to separate and transport a portion of the dust particles carried in the high temperature flue gas downstream of the blower device.
In some embodiments, the waste spinning treatment system further comprises a conveying device, one end of the conveying device is connected with the crushing device, the other end of the conveying device is connected with the flue, and the connecting position of the conveying device and the flue is positioned at the downstream of the blast equipment so as to convey dust particles generated in the crushing device to the downstream of the blast equipment;
the separation device is connected with the conveying device so as to convey dust particles separated by the separation device from the high-temperature flue gas to the downstream of the blast equipment.
In some embodiments, the separation device comprises a smoke inlet for high temperature flue gas to enter the separation device, a smoke outlet adapted to discharge dust particles separated from the high temperature flue gas, and a discharge outlet adapted to discharge the high temperature flue gas after the dust particles are separated;
the flue comprises a rising section, the rising section is arranged at the smoke outlet, and smoke exhausted from the smoke outlet can flow upwards along the rising section so as to separate out dust particles with larger particle sizes in the smoke exhausted from the smoke outlet.
In some embodiments, the feeding device includes a spitwad assembly adapted to comminute the waste spun material and a waste spin transfer assembly disposed between the vertical section and the spitwad assembly to discharge the comminuted waste spun material into the vertical section.
In some embodiments, the pulverized coal furnace comprises a flue gas outlet and a flue gas inlet, wherein the flue gas outlet is positioned on the upper side of the flue gas inlet, one end of the flue is connected with the flue gas outlet, and the other end of the flue is connected with the flue gas inlet, so that high-temperature flue gas generated in the pulverized coal furnace enters the flue from the flue gas outlet, is discharged from the flue gas inlet, and enters the pulverized coal furnace.
The waste spinning treatment method according to the embodiment of the present invention is based on the waste spinning treatment system described in any one of the above embodiments, and includes the steps of:
the feeding device inputs the waste spinning materials into the vertical section, the waste spinning materials do free falling motion in the vertical section and contact with high-temperature flue gas in the vertical section to be pyrolyzed to form solid products with the particle size larger than a set value and dust particles with the particle size smaller than the set value; the method comprises the steps of carrying out a first treatment on the surface of the
The method comprises the steps that the waste spinning materials and solid products which are not pyrolyzed fall into a smashing device, and the smashing device smashes the waste spinning materials and the solid products which are not pyrolyzed to form dust particles;
and the high-temperature flue gas carries dust particles and circulates to the pulverized coal furnace for incineration treatment.
In some embodiments, the high temperature flue gas carrying dust particles is circulated to the pulverized coal furnace for incineration treatment, and the method further comprises the following steps:
separating dust particles in the high-temperature flue gas carrying the dust particles from the high-temperature flue gas;
accelerating the separated high-temperature flue gas;
and feeding the dust particles separated from the high-temperature flue gas and the dust particles generated in the crushing device into the accelerated high-temperature flue gas so that the accelerated high-temperature flue gas has enough kinetic energy to convey the dust particles into the pulverized coal furnace.
Drawings
Fig. 1 is a schematic diagram of a waste spinning treatment system according to an embodiment of the present invention.
Reference numerals:
a pulverized coal furnace 1; a flue gas outlet 11; a flue gas inlet 12;
a flue 2; a vertical section 21; an air outlet 211; a storage section 212; a rising section 22;
a feeding device 3; a particle assembly 31; a waste spinning transport assembly 32;
a pulverizing device 4; a feed valve 41;
a blower device 5;
a separation device 6; a smoke outlet 61; a smoke inlet 62; a discharge port 63;
and a conveying device 7.
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 waste spin treatment system according to an embodiment of the present invention is described below with reference to fig. 1.
The waste spinning treatment system comprises a pulverized coal furnace 1, a flue 2, a feeding device 3 and a crushing device 4.
Both ends of the flue 2 are connected with the pulverized coal furnace 1 so as to be suitable for high-temperature flue gas generated in the pulverized coal furnace 1 to circulate into the pulverized coal furnace 1 along the flue 2, and the flue 2 comprises a vertical section 21, and the high-temperature flue gas flows vertically downwards in the vertical section 21.
Specifically, the flue 2 is communicated with the furnace chamber of the pulverized coal furnace 1, so that high-temperature flue gas generated during combustion of the pulverized coal furnace 1 flows into the flue 2 and flows along the flue 2, a vertical section 21 is arranged in the flue 2, and the high-temperature flue gas enters the vertical section 21 from the upper end of the vertical section 21 and flows out from the lower end of the vertical section 21, so that the high-temperature flue gas flows in the vertical section 21 in a vertically downward direction.
The feeding device 3 is connected with the upper end of the vertical section 21 and is suitable for feeding waste spinning materials into the vertical section 21, so that the waste spinning materials are in contact with high-temperature flue gas in the vertical section 21 to be pyrolyzed, and solid products with particle sizes larger than a set value and dust particles with particle sizes smaller than the set value are produced.
Specifically, the feeding device 3 is arranged at the upper end of the vertical section 21 to throw the waste spinning material into the flue 2 from the upper end of the vertical section 21, the waste spinning material falls down along the vertical section 21 under the action of gravity after being thrown into the vertical section 21, and in the process of moving the waste spinning material to the lower side, the waste spinning material contacts with high-temperature flue gas in the vertical section 21 and is pyrolyzed, and combustible fine dust particles, solid products with larger particle sizes and combustible gas are generated after the waste spinning material is pyrolyzed.
One end of the crushing device 4 is connected with the lower end of the vertical section 21, so that waste spinning materials and solid products which are not completely pyrolyzed in the vertical section 21 fall into the crushing device 4, and the crushing device 4 crushes the waste spinning materials and the solid products which are not completely pyrolyzed into dust particles and conveys the dust particles back into the flue 2, so that the dust particles are conveyed into the pulverized coal furnace 1 by high-temperature flue gas to be incinerated and utilized.
Specifically, the lower end of the vertical section 21 may be communicated with the pulverizing device 4, so that the solid product with larger particle size generated by pyrolysis of the waste spinning material and the waste spinning material which is not completely pyrolyzed are introduced into the pulverizing device 4 for pulverization, the solid product with larger particle size and the waste spinning material which is not completely pyrolyzed form combustible fine dust particles under pulverization of the pulverizing device 4, and the combustible fine dust particles can float in high-temperature airflow in the flue 2 to be circulated into the pulverized coal furnace 1 for incineration under the drive of high-temperature airflow in the flue 2.
The waste spinning treatment system of the embodiment of the invention utilizes high-temperature flue gas generated in the pulverized coal furnace 1 to pyrolyze waste spinning materials, the waste spinning materials are contacted with the high-temperature flue gas flowing in the vertical section 21 to pyrolyze after being thrown into the vertical section 21, the waste spinning materials are pyrolyzed to generate combustible gas, solid products with larger particle sizes, dust particles with smaller particle sizes and non-pyrolyzed waste spinning materials, wherein the combustible gas and the dust particles with smaller particle sizes can flow under the carrying of high-temperature flue gas flow, the solid products with larger particle sizes and the non-pyrolyzed waste spinning materials fall into the smashing device 4, the smashing device 4 smashes the solid products with larger particle sizes and the non-pyrolyzed waste spinning materials to form the dust particles, and the high-temperature flue gas flow in the flue 2 carries the dust particles into the pulverized coal furnace 1 to be incinerated.
The waste spinning treatment system provided by the embodiment of the invention utilizes the high-temperature flue gas generated by the pulverized coal furnace 1 to pyrolyze the waste spinning materials, and the crushing device 4 is used for crushing solid products with larger particle sizes and the waste spinning materials which are not pyrolyzed into dust particles so as to facilitate the high-temperature flue gas to be conveyed into the pulverized coal furnace 1.
In some embodiments, the vertical section 21 is provided with an air outlet 211 and a storage section 212 for the flue gas to flow out of the vertical section 21 from the air outlet 211, the storage section 212 being provided on the underside of the air outlet 211 for storing waste spun material and solid products that have not been completely pyrolyzed.
The crushing device 4 comprises a feeding valve 41, the feeding valve 41 is arranged at the lower end of the vertical section 21, and the feeding valve 41 can be opened when the waste spinning materials and solid products which are not completely pyrolyzed in the storage section 212 are larger than a set threshold value so as to discharge the waste spinning materials and solid products which are not completely pyrolyzed in the storage section 212 into the crushing device 4 for crushing.
Specifically, the lower extreme of vertical section 21 is located to storage section 212, the upside of storage section 212 is located to gas outlet 211, after feedway 3 drops into vertical section 21 with useless spinning material from the upper end of vertical section 21, useless spinning material is in the motion of free fall in vertical section 21 in the time with the high temperature flue gas contact in the vertical section 21 takes place pyrolysis, form combustible gas, the solid product that the particle diameter is great, the dust granule that the particle diameter is less and useless spinning material of pyrolysis, wherein combustible gas and the dust granule that the particle diameter is less can follow gas outlet 211 outflow, the solid product that the particle diameter is great and useless spinning material of pyrolysis deposit in storage section 212 under the effect of gravity.
The storage section 212 may temporarily store the solid product having a larger particle size and the waste spinning material not pyrolyzed at the upper end of the feed valve 41, and open the feed valve 41 to discharge the solid product having a larger particle size and the waste spinning material not pyrolyzed into the pulverizing device 4 to be pulverized after the amount of the solid product having a larger particle size and the waste spinning material not pyrolyzed stored at the upper end of the feed valve 41 reaches a set value, and keep the feed valve 41 closed to continue storing the solid product having a larger particle size and the waste spinning material not pyrolyzed at the upper end of the feed valve 41 when the pulverizing device 4 pulverizes the solid product having a larger particle size and the waste spinning material not pyrolyzed.
Therefore, the air outlet 211 is arranged on the upper side of the storage section 212, so that combustible gas and dust particles with smaller particle sizes can flow out along the air outlet 211, and solid products with larger particle sizes and non-pyrolyzed waste spinning materials are deposited in the storage section 212 under the action of gravity, so that the dust particles with smaller particle sizes are separated from the solid products with larger particle sizes and the non-pyrolyzed waste spinning materials, and after the sufficient solid products with larger particle sizes and the non-pyrolyzed waste spinning materials are stored, the feeding valve 41 is opened to enable the smashing device 4 to carry out smashing operation, on one hand, the working time of the smashing device 4 is shortened, the energy consumption of the waste spinning processing system of the embodiment of the invention is reduced, and on the other hand, the smashing device 4 is enabled to smash the solid products with larger particle sizes and the non-pyrolyzed waste spinning materials with set amounts for a single time, and the smashing efficiency and the smashing effect of the smashing device 4 are improved.
In some embodiments, the waste spin treatment system further comprises a blower device 5, the blower device 5 being disposed within the flue 2 downstream of the vertical section 21 to accelerate the high temperature air flow within the flue 2, the other end of the comminution device 4 being connected to the flue 2, and the other end of the comminution device 4 being downstream of the blower device 5 to discharge dust particles downstream of the blower device 5.
In some embodiments, the waste spin treatment system further comprises a separation device 6, the separation device 6 being arranged between the vertical section 21 and the fan device 5, the separation device 6 being adapted to separate and transport part of the dust particles carried in the high temperature flue gas downstream of the fan device 5.
Specifically, the high-temperature flue gas stream carrying the dust particles with smaller particle size is sent to the blower 5, the flow rate of the high-temperature flue gas stream in the flue 2 at the downstream of the device is increased by the blower 5, but when the high-temperature flue gas carries the dust particles with smaller particle size to the blower 5, the dust particles easily wear the blower 5 or block the rotation of the blower 5.
By arranging the separating device, dust particles in the high-temperature flue gas flow are separated before the high-temperature flue gas flow carrying the dust particles enters the blasting device 5, so that the high-temperature flue gas without solid waste dust particles enters the blasting device 5 and is accelerated by the blasting device 5, and the solid waste dust separated from the high-temperature flue gas flow is mixed with the solid waste dust generated by the crushing device 4 and then is added into the high-temperature flue gas flow discharged from the blasting device 5.
Thereby, by providing the separating apparatus and the blower apparatus 5, the flow rate of the high temperature flue gas flow is increased while avoiding the solid waste dust particles from affecting the operation of the blower apparatus 5, so that the high temperature flue gas has a sufficient flow rate to send the solid waste dust particles into the pulverized coal furnace 1.
In some embodiments, the waste spinning treatment system further comprises a conveying device 7, one end of the conveying device 7 is connected with the crushing device 4, the other end of the conveying device 7 is connected with the flue 2, and the connection position of the conveying device 7 and the flue 2 is positioned downstream of the blower device 5 so as to convey dust particles generated in the crushing device 4 to the downstream of the blower device 5;
the separating device 6 is connected to a conveying device 7 for conveying dust particles separated by the separating device 6 from the high-temperature flue gas downstream of the blasting device 5.
Specifically, the conveying equipment is a screw feeder, one end of the conveying equipment is arranged at the lower end of the smashing device 4 so that dust particles generated in the smashing device 4 fall into the conveying equipment, the middle section of the conveying equipment is arranged at the lower end of the separating device 6 so that dust particles separated from smoke by the separating equipment fall into the conveying equipment, the other end of the conveying equipment extends to the downstream of the air blowing equipment 5 and is connected with the flue 2 so that solid waste dust separated from high-temperature smoke airflow is mixed with solid waste dust generated by the smashing device 4 and then added into high-temperature smoke airflow exhausted from the air blowing equipment 5 again.
In some embodiments, the separation device 6 comprises a smoke inlet 62, a smoke outlet 61 and a discharge outlet 63, the smoke inlet 62 is adapted to discharge dust particles separated from the high temperature smoke into the separation device 6, the discharge outlet 63 is adapted to discharge the high temperature smoke after the dust particles are separated from the high temperature smoke, and the smoke outlet 61 is adapted to discharge the high temperature smoke;
the flue 2 comprises a rising section 22, the rising section 22 is arranged at a smoke outlet 61, and smoke discharged from the smoke outlet 61 can flow upwards along the rising section 22 so as to separate dust particles with larger particle sizes in the smoke discharged from the smoke outlet 61.
Specifically, the separation device 6 is a cyclone separator, dust particles in the high-temperature flue gas are separated under the centrifugal action and fall into the conveying equipment through the discharge hole 63 under the action of gravity, the separated high-temperature flue gas is discharged from the smoke outlet 61 and flows into the ascending section 22, the ascending section 22 also contains a small amount of dust particles, the kinetic energy of the high-temperature flue gas flow is lower, the dust particles in the flue gas fall under the action of gravity, and lighter gas components in the high-temperature flue gas flow upwards to further separate the dust particles in the high-temperature flue gas.
In some embodiments, the feed device 3 comprises a chaff assembly 31 and a waste spin transfer assembly 32, the chaff assembly 31 being adapted to chaff waste spin material, the waste spin transfer assembly 32 being disposed between the vertical section 21 and the chaff assembly 31 to discharge the chaff waste spin material after comminution into the vertical section 21.
Specifically, the crushing assembly 31 can crush the waste textile to form particles, so that on one hand, the contact area between the waste textile and high-temperature smoke in the vertical section 21 is increased, the pyrolysis effect of the waste textile in the vertical section 21 is improved, on the other hand, knotting of the waste textile is avoided, and the knotted waste textile is avoided when the crushing device 4 crushes the waste textile which is not pyrolyzed, so that the crushing device 4 is influenced.
In some embodiments, the pulverized coal furnace 1 includes a flue gas outlet 11 and a flue gas inlet 12, the flue gas outlet 11 is located at an upper side of the flue gas inlet 12, one end of the flue 2 is connected to the flue gas outlet 11, and the other end of the flue 2 is connected to the flue gas inlet 12, so that high temperature flue gas generated in the pulverized coal furnace 1 enters the flue 2 from the flue gas outlet 11, exits the flue 2 from the flue gas inlet 12, and enters the pulverized coal furnace 1.
Specifically, the flue gas outlet 11 is located at the upper side of the flue gas inlet 12, high-temperature flue gas is generated by combustion in the furnace chamber of the pulverized coal furnace 1, the density of the high-temperature flue gas is small, the high-temperature flue gas rises in the furnace chamber of the pulverized coal furnace 1 and enters the flue 2 through the flue gas outlet 11, and dust particles formed after the flue 2 to the flue gas inlet 12 and carrying waste spinning materials enter the pulverized coal furnace 1, so that the solid waste is incinerated, utilized and treated.
The waste spinning treatment method according to the embodiment of the present invention is described below.
The waste spinning treatment method of the embodiment of the invention is based on the waste spinning treatment system in any embodiment, and comprises the following steps:
the feeding device 3 inputs the waste spinning material into the vertical section 21, and the waste spinning material freely falls in the vertical section 21 and contacts with high-temperature flue gas in the vertical section 21 to be pyrolyzed to form a solid product with the particle size larger than a set value and dust particles with the particle size smaller than the set value; the method comprises the steps of carrying out a first treatment on the surface of the
The non-pyrolyzed waste spinning materials and solid products fall into a smashing device 4, and the smashing device 4 smashes the non-pyrolyzed waste spinning materials and solid products to form dust particles;
the high-temperature flue gas carries dust particles and circulates to the pulverized coal furnace 1 for incineration treatment.
Specifically, the waste spinning treatment method of the embodiment of the invention utilizes high-temperature flue gas generated in the pulverized coal furnace 1 to pyrolyze waste spinning materials, the waste spinning materials are contacted with the high-temperature flue gas flowing in the vertical section 21 to pyrolyze after being thrown into the vertical section 21, the waste spinning materials are pyrolyzed to generate combustible gas, solid products with larger particle sizes, dust particles with smaller particle sizes and non-pyrolyzed waste spinning materials, wherein the combustible gas and the dust particles with smaller particle sizes can flow under the carrying of high-temperature flue gas flow, the solid products with larger particle sizes and the non-pyrolyzed waste spinning materials fall into the smashing device 4, the smashing device 4 smashes the solid products with larger particle sizes and the non-pyrolyzed waste spinning materials to form dust particles, and the high-temperature flue gas flow in the flue 2 carries the dust particles into the pulverized coal furnace 1 to be incinerated.
According to the waste spinning treatment method disclosed by the embodiment of the invention, the waste spinning material is pyrolyzed by utilizing the high-temperature flue gas generated by the pulverized coal furnace 1, and the crushing device 4 is used for crushing the solid product with larger particle size and the waste spinning material which is not pyrolyzed into dust particles so as to facilitate the high-temperature flue gas to be conveyed into the pulverized coal furnace 1.
In some embodiments, the high-temperature flue gas carrying dust particles is circulated to the pulverized coal furnace 1 for incineration treatment, and the method further comprises the following steps:
separating dust particles in the high-temperature flue gas carrying the dust particles from the high-temperature flue gas;
accelerating the separated high-temperature flue gas;
the dust particles separated from the high-temperature flue gas and the dust particles generated in the pulverizing device 4 are fed into the high-temperature flue gas completed with acceleration so that the high-temperature flue gas completed with acceleration has enough kinetic energy to transport the dust particles into the pulverized coal furnace 1.
Specifically, the waste spinning treatment method of the embodiment of the invention adopts the blower devices 5 such as the blower to drive the flue gas to accelerate in the flue 2, separates the dust particles in the high-temperature flue gas flow before the high-temperature flue gas flow carrying the dust particles enters the blower devices 5, so that the high-temperature flue gas without solid waste dust particles enters the blower devices 5 and is accelerated by the blower devices 5, and mixes the solid waste dust separated from the high-temperature flue gas flow with the solid waste dust generated by the crushing device 4 and then re-adds the mixed solid waste dust into the high-temperature flue gas flow discharged from the blower devices 5
Thereby, the flow rate of the high temperature flue gas stream is increased while avoiding the solid waste dust particles from affecting the operation of the blower 5, so that the high temperature flue gas has a sufficient flow rate to send the solid waste dust particles into the pulverized coal furnace 1.
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.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the invention.
Claims (10)
1. A waste spinning treatment system, comprising:
a pulverized coal furnace;
the two ends of the flue are connected with the pulverized coal furnace so as to be suitable for high-temperature flue gas generated in the pulverized coal furnace to circulate into the pulverized coal furnace along the flue, the flue comprises a vertical section, and the high-temperature flue gas vertically flows downwards in the vertical section;
the feeding device is connected with the upper end of the vertical section and is suitable for throwing waste spinning materials into the vertical section, so that the waste spinning materials are in contact with high-temperature flue gas in the vertical section to be pyrolyzed, and solid products with particle sizes larger than a set value and dust particles with particle sizes smaller than the set value are produced;
and one end of the crushing device is connected with the lower end of the vertical section, so that waste spinning materials and solid products which are not completely pyrolyzed in the vertical section fall into the crushing device, and the crushing device crushes the waste spinning materials and the solid products which are not completely pyrolyzed into dust particles and conveys the dust particles back into the flue so as to enable the dust particles to be conveyed into the pulverized coal furnace by high-temperature flue gas for incineration and utilization.
2. The waste spinning treatment system according to claim 1, wherein the vertical section is provided with an air outlet and a storage section for flue gas to flow out of the vertical section from the air outlet, and the storage section is arranged at the lower side of the air outlet to store the waste spinning material and solid products which are not completely pyrolyzed;
the crushing device comprises a feeding valve, the feeding valve is arranged at the lower end of the vertical section, and the feeding valve can be opened when the waste spinning materials and solid products which are not completely pyrolyzed in the storage section are larger than a set threshold value, so that the waste spinning materials and solid products which are not completely pyrolyzed in the storage section are discharged into the crushing device for crushing.
3. The waste spin treatment system of claim 2, further comprising a blower device disposed within the flue downstream of the vertical section to accelerate the flow of high temperature air within the flue, the other end of the comminution device being connected to the flue and the other end of the comminution device being downstream of the blower device to discharge the dust particles downstream of the blower device.
4. A waste spin treatment system according to claim 3, further comprising a separation device provided between the vertical section and the blower device, the separation device being adapted to separate and transport part of the dust particles carried in the high temperature flue gas downstream of the blower device.
5. The waste spinning treatment system according to claim 4, further comprising a conveying device, one end of the conveying device is connected to the pulverizing device, the other end of the conveying device is connected to the flue, and a position where the conveying device is connected to the flue is located downstream of the blower apparatus to convey dust particles generated in the pulverizing device to downstream of the blower apparatus;
the separation device is connected with the conveying device so as to convey dust particles separated by the separation device from the high-temperature flue gas to the downstream of the blast equipment.
6. The waste textile treatment system of claim 5, wherein the separation device comprises a smoke inlet for high temperature flue gas to enter the separation device, a smoke outlet adapted to discharge dust particles separated from the high temperature flue gas, and a discharge outlet adapted to discharge the high temperature flue gas from which the dust particles were separated;
the flue comprises a rising section, the rising section is arranged at the smoke outlet, and smoke exhausted from the smoke outlet can flow upwards along the rising section so as to separate out dust particles with larger particle sizes in the smoke exhausted from the smoke outlet.
7. The waste spin treatment system of claim 6, wherein the feed device comprises a spitwad assembly adapted to comminute the waste spin material and a waste spin transfer assembly disposed between the vertical section and the spitwad assembly to discharge the comminuted waste spin material into the vertical section.
8. The solid waste treatment system of any one of claims 1-7, wherein the pulverized coal furnace comprises a flue gas outlet and a flue gas inlet, the flue gas outlet is located on an upper side of the flue gas inlet, one end of the flue is connected to the flue gas outlet, and the other end of the flue is connected to the flue gas inlet, so that high temperature flue gas generated in the pulverized coal furnace enters the flue from the flue gas outlet, exits the flue from the flue gas inlet and enters the pulverized coal furnace.
9. A waste spinning treatment method based on the waste spinning treatment system according to any one of claims 1 to 8, characterized by comprising the steps of:
the feeding device inputs the waste spinning materials into the vertical section, the waste spinning materials do free falling motion in the vertical section and contact with high-temperature flue gas in the vertical section to be pyrolyzed to form solid products with the particle size larger than a set value and dust particles with the particle size smaller than the set value;
the method comprises the steps that the waste spinning materials and solid products which are not pyrolyzed fall into a smashing device, and the smashing device smashes the waste spinning materials and the solid products which are not pyrolyzed to form dust particles;
and the high-temperature flue gas carries dust particles and circulates to the pulverized coal furnace for incineration treatment.
10. The waste spinning treatment method according to claim 9, wherein the high-temperature flue gas carrying dust particles is circulated to the pulverized coal furnace for incineration treatment, further comprising the steps of:
separating dust particles in the high-temperature flue gas carrying the dust particles from the high-temperature flue gas;
accelerating the separated high-temperature flue gas;
and feeding the dust particles separated from the high-temperature flue gas and the dust particles generated in the crushing device into the accelerated high-temperature flue gas so that the accelerated high-temperature flue gas has enough kinetic energy to convey the dust particles into the pulverized coal furnace.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311134488.2A CN117072985A (en) | 2023-09-04 | 2023-09-04 | Waste spinning treatment system and treatment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311134488.2A CN117072985A (en) | 2023-09-04 | 2023-09-04 | Waste spinning treatment system and treatment method thereof |
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| CN117072985A true CN117072985A (en) | 2023-11-17 |
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| CN202311134488.2A Pending CN117072985A (en) | 2023-09-04 | 2023-09-04 | Waste spinning treatment system and treatment method thereof |
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| Country | Link |
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| CN (1) | CN117072985A (en) |
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2023
- 2023-09-04 CN CN202311134488.2A patent/CN117072985A/en active Pending
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