CN114713592A - Device and method for preparing mineral wool by utilizing waste ash of waste incineration power plant - Google Patents
Device and method for preparing mineral wool by utilizing waste ash of waste incineration power plant Download PDFInfo
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- CN114713592A CN114713592A CN202210346721.2A CN202210346721A CN114713592A CN 114713592 A CN114713592 A CN 114713592A CN 202210346721 A CN202210346721 A CN 202210346721A CN 114713592 A CN114713592 A CN 114713592A
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- slag
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- heat
- mineral wool
- waste
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- 239000011490 mineral wool Substances 0.000 title claims abstract description 44
- 238000004056 waste incineration Methods 0.000 title claims abstract description 42
- 239000002699 waste material Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 94
- 238000002844 melting Methods 0.000 claims abstract description 93
- 230000008018 melting Effects 0.000 claims abstract description 93
- 239000002893 slag Substances 0.000 claims abstract description 85
- 238000004321 preservation Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 9
- 241001330002 Bambuseae Species 0.000 claims abstract description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 9
- 239000011425 bamboo Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 47
- 239000010881 fly ash Substances 0.000 claims description 45
- 238000007599 discharging Methods 0.000 claims description 42
- 238000010079 rubber tapping Methods 0.000 claims description 28
- 239000002956 ash Substances 0.000 claims description 24
- 229910052742 iron Inorganic materials 0.000 claims description 21
- 230000006698 induction Effects 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 13
- 239000011449 brick Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- 239000010431 corundum Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 8
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 abstract description 2
- 238000010309 melting process Methods 0.000 abstract description 2
- 150000002894 organic compounds Chemical class 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 21
- 239000003546 flue gas Substances 0.000 description 21
- 238000000926 separation method Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The application provides an utilize waste power plant's abandonment lime-ash to prepare device of mineral wool, including msw incineration boiler and melting heating cabinet, msw incineration boiler bottom is provided with the heat preservation section of thick bamboo of slagging tap, and msw incineration boiler bottom is provided with the slag notch, the slag notch is linked together with the heat preservation section of thick bamboo of slagging tap, is provided with flying dust input pipeline on the heat preservation section of thick bamboo lateral wall of slagging tap to slag and high temperature flying dust that produce in the messenger msw incineration boiler pass through in the slag notch gets into the heat preservation section of thick bamboo of slagging tap, the melting heating cabinet is connected the bottom of the heat preservation section of thick bamboo of slagging tap is used for to getting into slag and high temperature flying dust in the heat preservation section of thick bamboo of slagging tap heat and heat the melting, the melting heating cabinet is connected and is made mineral wool mechanism. When the waste heat of the waste incineration boiler ash is fully utilized, the highly toxic organic compounds such as dioxin carried by the waste incineration boiler ash are effectively eliminated by utilizing the high temperature in the melting process, and finally the molten product is produced into high value-added fiber products such as mineral wool and the like.
Description
Technical Field
The application relates to the technical field of environmental protection and hazardous waste treatment, in particular to a device and a method for preparing mineral wool by utilizing waste ash of a waste incineration power plant.
Background
The waste incineration is an effective means for reducing and treating urban waste, and becomes a main treatment means for most cities in China to get rid of waste surrounding cities and consume the urban waste. However, when the garbage is treated, ash products enriched with heavy metals and dioxin can be generated, wherein the heavy metals such as Pb and Cr, and the virulent organic carcinogens such as dioxin cause serious pollution to soil, water and the atmosphere, and the local ecological environment and the health of people are greatly damaged.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the application aims to provide an energy-saving, consumption-reducing and resource-utilizing technology for fully utilizing waste heat and waste residues of a waste incineration power plant. When the waste heat of the waste incineration boiler ash is fully utilized, the highly toxic organic compounds such as dioxin carried by the waste incineration boiler ash are effectively eliminated by utilizing the high temperature in the melting process, and finally the molten product is produced into high value-added fiber products such as mineral wool and the like. The furnace bottom ash slag directly enters the bottom melting heating box through the slag falling port and the slag discharging heat insulation barrel, and certain heat still exists in the furnace slag, so that the heat in the furnace slag is reasonably utilized.
In order to achieve the above object, the application provides an utilize waste incineration power plant's abandonment lime-ash to prepare device of mineral wool, includes:
the bottom of the waste incineration boiler is provided with a slag discharging heat-insulating cylinder, the bottom of the waste incineration boiler is provided with a slag discharging port, the slag discharging port is communicated with the slag discharging heat-insulating cylinder, and the side wall of the slag discharging heat-insulating cylinder is provided with a fly ash injection pipeline, so that slag and fly ash generated after incineration in the waste incineration boiler respectively enter the slag discharging heat-insulating cylinder through the slag discharging port and the fly ash injection pipeline;
and the melting heating box is connected with the bottom of the deslagging heat-preserving cylinder and used for heating and melting the slag and the fly ash entering the deslagging heat-preserving cylinder, and the melting heating box is connected with a mineral wool making mechanism.
Furthermore, the heat preservation section of thick bamboo of slagging tap includes the outer layer of steel sheet and sets up the heat preservation in the outer inside of steel sheet.
Further, the heat insulating layer comprises:
the secondary inner layer heat-insulating layer is a common heat-insulating brick layer arranged on the inner wall of the outer layer of the steel plate;
the heat-insulating layer of the intermediate layer is a corundum heat-insulating brick layer arranged on the inner wall of the secondary inner layer heat-insulating layer, and a high-temperature-resistant heat-insulating coating is coated on the inner wall of the intermediate layer heat-insulating layer.
Furthermore, a fixing ring is fixedly arranged on the bottom end face of the slag discharging heat-insulating cylinder, and clamping grooves extending to the two ends are formed in the bottom faces of the left side and the right side of the fixing ring;
the left and right sides top of melting heating cabinet is provided with the card strip, the card strip with draw-in groove looks adaptation is in with through card strip joint is in realize in the draw-in groove the melting heating cabinet sets up the bottom of a heat preservation section of thick bamboo of slagging tap.
Further, an induction coil is wound on the outer wall of the melting heating box, and molten iron is added into the melting heating box, so that induction heating is performed between the induction coil and the molten iron.
Furthermore, a discharge hole is formed in the side wall of the melting heating box, a discharge pipe is arranged at the discharge hole, and the discharge end of the discharge pipe is connected with a mineral wool making mechanism.
Further, the difference between the distance from the center of the discharge port to the bottom of the melting and heating box and the diameter of the discharge port is 200-250 mm.
Further, the bottom of melting heating box is provided with the bin outlet, bin outlet department is provided with the discharge tube, be provided with the discharge valve on the discharge tube.
Further, the mineral wool making mechanism comprises a four-roller centrifugal machine, and the discharge end of the discharge pipe is connected with the four-roller centrifugal machine.
A method for preparing mineral wool by utilizing waste ash of a waste incineration power plant comprises the following steps:
adding a molten iron into a melting heating tank;
slag generated by the incineration of the garbage in the garbage incineration boiler enters a slag discharging heat preservation cylinder through a slag discharging hole at the bottom of the garbage incineration boiler and enters a melting heating box through the slag discharging heat preservation cylinder;
injecting fly ash generated by waste incineration into the slag discharging heat insulation cylinder through a fly ash injection pipeline on the side wall of the slag discharging heat insulation cylinder, and entering a melting heating box through the slag discharging heat insulation cylinder;
induction is carried out between an induction coil on the outer wall of the melting heating box and the iron fluid to heat, so that the slag and the fly ash in the melting heating box are melted;
and introducing the molten slag into a mineral wool making mechanism to prepare mineral wool.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of an apparatus for producing mineral wool from waste ash from a waste incineration power plant according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of an apparatus for producing mineral wool from waste ash from a waste incineration power plant according to another embodiment of the present application;
FIG. 3 is a partial sectional view of the slag tapping thermal insulation barrel according to another embodiment of the present application;
FIG. 4 is a schematic partial structure of FIG. 1 of the present application;
FIG. 5 is a flow chart of a method for preparing mineral wool from waste ash of a waste incineration power plant
In the figure, 1, a waste incineration boiler; 11. a slag discharge port; 2. a deslagging heat-preserving cylinder; 21. an outer layer of steel plate; 22. a secondary inner layer heat-insulating layer; 23. an intermediate layer heat-insulating layer; 25. a stationary ring; 251. a card slot; 26. a discharge pipe; 27. an exhaust gas extraction duct; 28. an induced draft fan; 3. a high temperature flue gas fly ash separation component; 4. a melting heating box; 41. clamping the strip; 5. a four-roll centrifuge; 6. a flue gas cooling assembly; 7. a low-temperature flue gas dust removal assembly; 8. a mixing bin pump; 9. a smoke exhaust pipeline.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the application include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
Fig. 1 is a schematic structural view of a device for preparing mineral wool by using waste ash from a waste incineration power plant according to an embodiment of the present application.
Referring to fig. 1-4, a device for preparing mineral wool by using waste ash from a waste incineration power plant, comprising a waste incineration boiler 1, wherein a slag-tapping heat-preserving cylinder 2 is arranged at the bottom of the waste incineration boiler 1, a slag-discharging port 11 is arranged at the bottom of the waste incineration boiler 1, the slag-discharging port 11 is communicated with the slag-tapping heat-preserving cylinder 2, a fly ash input pipeline is arranged on the side wall of the slag-tapping heat-preserving cylinder 2, so that slag and high-temperature fly ash generated after incineration in the waste incineration boiler 1 respectively enter the slag-tapping heat-preserving cylinder 2 through the slag-discharging port 11 and the fly ash input pipeline, a melting heating box 4 is connected to the bottom of the slag-tapping heat-preserving cylinder 2, and is used for heating and melting the slag and the high-temperature fly ash entering the slag-tapping heat-preserving cylinder 2, the melting heating box 4 is connected with a mineral wool making mechanism, thereby realizing the direct preparation of mineral wool after the heating and melting of the slag and the fly ash, and the melting heating box 4 is directly arranged at the bottom of the waste incineration boiler 1, the slag can be heated and melted at a higher temperature, the melting speed of the slag is accelerated, the fly ash can be injected into the melting heating box 4 through the slag tapping heat preservation cylinder 2 through the high-temperature fly ash injection pipeline 3 to be heated and melted to prepare the mineral wool, and the reasonable recycling of the high-temperature fly ash is realized.
Referring to fig. 2, it can be understood that the fly ash input pipeline is connected with a high temperature flue gas and fly ash separation component 3, the slag tapping heat preservation cylinder 2 and the waste incineration boiler 1 are both connected with the high temperature flue gas and fly ash separation component 3, the high temperature flue gas and fly ash separation component 3 is used for introducing separated high temperature fly ash into the slag tapping heat preservation cylinder 2, the high temperature flue gas and fly ash separation component 3 is connected with a flue gas cooling component 6, the flue gas cooling component 6 is connected with a low temperature flue gas dust removal component 7, the low temperature flue gas dust removal component 7 is connected with the slag tapping heat preservation cylinder 2, the high temperature fly ash separated by the high temperature flue gas and fly ash separation component 3 enters the slag tapping heat preservation cylinder 2 for recycling, and the high temperature flue gas is cooled in the flue gas cooling component 6 and then enters the low temperature flue gas obtained by separating by the low temperature flue gas dust removal component 7 for recycling, in addition, a fly ash input pipeline is connected with a mixing bin pump 8, the high-temperature flue gas fly ash separation component 3 and the low-temperature flue gas dust removal component 7 are both connected with the mixing bin pump 8, the high-temperature fly ash and the low-temperature fly ash are introduced into the mixing bin pump 8 to be mixed and then are introduced into the slag discharging heat preservation cylinder 2 through a fly ash input pipeline, so that the fly ash entering the slag discharging heat preservation cylinder 2 has a certain temperature, and the reasonable utilization of heat is realized, it is also required to be mentioned that the high-temperature flue gas fly ash separation component 3 and the garbage incineration boiler 1 are connected through a smoke exhaust pipeline 9, a waste gas exhaust pipeline 27 is arranged on the side wall of the slag discharging heat preservation cylinder 2, one end of the waste gas exhaust pipeline 27 is connected to the smoke exhaust pipeline 9, a draught fan 28 is arranged on the waste gas exhaust pipeline 27, and the waste gas in the slag discharging heat preservation cylinder 2 can be fully recycled after being sucked into the high-temperature flue gas fly ash separation component 3 for treatment due to the waste gas containing certain particles, not only can keep negative pressure to ensure that high-temperature flue gas in the waste incineration boiler 1 can assist the bottom deslagging heat-insulating cylinder 2 to heat, but also can ensure that ash in the waste incineration boiler 1 smoothly enters the deslagging heat-insulating cylinder 2.
Further, slag tapping heat preservation cylinder 2 includes steel sheet outer 21 and sets up the heat preservation in the outer inside of steel sheet, can keep warm to the slag and the fly ash after burning through setting up the heat preservation.
In some embodiments, the heat-insulating layer comprises a secondary inner layer heat-insulating layer 22 and a middle layer heat-insulating layer 23, the secondary inner layer heat-insulating layer 22 is a common heat-insulating brick layer arranged on the inner wall of the steel plate outer layer 21, the middle layer heat-insulating layer 23 is a corundum heat-insulating brick layer arranged on the inner wall of the secondary inner layer heat-insulating layer 22, and the inner wall of the middle layer heat-insulating layer 23 is coated with a high-temperature-resistant heat-insulating coating.
It can be understood that ordinary insulating bricks are built on the inner wall of a square cylinder composed of 304 steel plates, the ordinary insulating bricks are built into a square cylinder structure layer, then corundum insulating bricks are built on the inner wall of a secondary inner layer insulating layer 22 composed of ordinary insulating brick layers, the corundum insulating bricks are built into a square cylinder structure layer, and then a high-temperature-resistant insulating coating is coated on the inner wall of a middle layer insulating layer 23 composed of corundum insulating bricks.
In some embodiments, the slag tapping heat preservation cylinder 2 can be set to be a square tubular structure, the bottom end face of the slag tapping heat preservation cylinder 2 is fixedly provided with the fixing ring 25, the bottom faces of the left side and the right side of the fixing ring 25 are provided with clamping grooves 251 extending to the two ends, the melting heating box 4 can be a square box structure or a trapezoidal box structure, the top ends of the left side and the right side of the melting heating box 4 are provided with clamping strips 41, the clamping strips 41 are matched with the clamping grooves 251, so that the melting heating box 4 is clamped in the clamping grooves 251 through the clamping strips 41 to realize that the melting heating box 4 is arranged at the bottom of the slag tapping heat preservation cylinder 2.
It can be understood that the bottom surfaces of the left side and the right side of the fixing ring 25 are provided with the T-shaped clamping grooves 251, then the T-shaped clamping strips 41 are arranged at the positions of the clamping grooves 251 on the left side and the right side of the melting heating box 4, when the T-shaped clamping strips 41 are installed, the clamping strips 41 can be clamped in the clamping grooves 251 in a sliding mode to achieve installation of the melting heating box 4 at the bottom of the slag-tapping heat-preserving cylinder 2, in addition, after installation, it is guaranteed that the inside of a cavity of the slag-tapping heat-preserving cylinder 2 corresponds to the inside of the cavity of the melting heating box 4, and after the melting heating box 4 is installed at the bottom of the slag-tapping heat-preserving cylinder 2, when a molten slag and a molten fly ash in the melting heating box 4 enter a gap at the joint of the melting heating box 4 and the slag-tapping heat-preserving cylinder 2, due to precooling and solidification of the molten material, and then the molten material is filled after cooling and solidification at the gap, and self-sealing of the gap is achieved.
In some embodiments, the outer wall of the melting and heating tank 4 is wound with an induction coil, and the melting and heating tank 4 is filled with a molten iron so that the induction coil and the molten iron are inductively heated.
It will be appreciated that a quantity of iron fluid (iron powder) may be added to the melting heating box 4 before the melting heating box 4 is mounted at the bottom of the tapping keep 2 so that induction heating occurs between the iron powder and the induction coil, and that the iron contained in the slag will delaminate from the molten slag charge due to its heavy weight after melting during melting of the slag, and sink to the bottom of the melting heating box together with the added iron fluid.
In some embodiments, a discharge outlet is provided on the side wall of the melting and heating tank 4, a discharge pipe 26 is provided at the discharge outlet, and the discharge end of the discharge pipe 26 is connected to the mineral wool making mechanism.
It can be understood that, slag charge and flying ash in the melting heating box 4 flow out through discharging pipe 26 on the lateral wall after melting and carry out the preparation of mineral wool, set up discharging pipe 26 at the lateral wall of melting heating box 4, make there is certain distance between discharging pipe 26 and the bottom of melting heating box 4, can the initial heating in-process melting heating box 4 bottom iron fluid can not flow out, can carry out induction heating, and contain a certain amount of iron in waiting to burn the refuse material through control, make the slag charge after the melting contain a certain amount of iron fluid, and then induction heating that can last, need not to add the iron powder in addition.
In some embodiments, the difference between the distance from the center of the discharge hole to the bottom of the melting and heating box 4 and the diameter of the discharge hole is 200-250mm, so as to ensure that the melt at the bottom of the melting and heating box 4 does not flow out, that is, there is a certain distance from the discharge hole to the bottom of the melting and heating box 4, so that the iron fluid sinking into the bottom of the melting and heating box 4 is not discharged therewith during the outward discharge of the melt in the melting and heating box 4, and a certain amount of iron fluid is always reserved at the bottom of the melting and heating box 4.
In addition, it should be noted that a certain amount of iron fluid and melt are always reserved at the bottom of the melting and heating box 4 after the waste incineration boiler is stopped and before the waste incineration boiler is restarted, and the melting and heating box 4 is controlled to be always kept in a heating state, so that the melt is not solidified, and the melting and heating can be directly carried out when the slag melting is carried out again.
In some embodiments, the bottom of the melting and heating box 4 is provided with a discharge outlet, the discharge outlet is provided with a discharge pipe, the discharge pipe is provided with a discharge valve, so that after the melting of the slag and the fly ash is completed, the melt which is positioned below the discharge pipe 26 in the melting and heating box 4 and cannot be discharged from the discharge pipe 26 can be discharged by opening the discharge outlet, that is, when the melting and heating box 4 is not used completely, the transverse large acting force can be applied to the melting and heating box 4 at the moment, and the card strip 41 is separated from the clamping groove 251 to realize the separation of the melting and heating box 4.
In some embodiments, the mineral wool making mechanism includes a four-roll centrifuge 5, and the discharge end of the discharge pipe 26 is connected to the four-roll centrifuge 5.
It will be appreciated that the melt discharged from the discharge end of the tapping pipe 26 is fed into a four-roll centrifuge 5, wherein the mineral wool production means is an existing mineral wool production line device and will not be described in detail here.
Referring to fig. 5, a method for preparing mineral wool by using waste ash of a waste incineration power plant comprises the following processes:
step 1: iron fluid is added to the melting and heating tank 4.
Specifically, before the melting heating box 4 is mounted to the bottom of the tapping muffle 2, a certain amount of iron powder may be heated toward the center line of the melting heating box 4, and then the melting heating box 4 is mounted on the tapping muffle 2, and the inside of the melting heating box 4 is heated by induction heating between an induction coil on the melting heating box 4 and the iron powder.
Step 2: slag generated by the incineration of the waste in the waste incineration boiler 1 enters the slag discharging heat preservation cylinder 2 through the slag discharging hole 11 at the bottom of the waste incineration boiler 1 and enters the melting heating box 4 through the slag discharging heat preservation cylinder 2.
And step 3: injecting fly ash generated by waste incineration into the slag tapping heat insulation cylinder 2 through a fly ash injection pipeline on the side wall of the slag tapping heat insulation cylinder 2, and entering the melting heating box 4 through the slag tapping heat insulation cylinder 2;
and 4, step 4: induction between an induction coil on the outer wall of the melting heating box 4 and the iron fluid is used for heating, so that the slag and the fly ash in the melting heating box 4 are melted;
and 5: and introducing the molten furnace slag into a mineral wool making mechanism to prepare mineral wool.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps in the process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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 application. In this specification, the schematic representations of the terms used above do not necessarily refer 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.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. The utility model provides an utilize waste incineration power plant's abandonment lime-ash to prepare device of mineral wool which characterized in that includes:
the bottom of the waste incineration boiler is provided with a slag discharging heat preservation cylinder, the bottom of the waste incineration boiler is provided with a slag discharging port, the slag discharging port is communicated with the slag discharging heat preservation cylinder, and a fly ash input pipeline is arranged on the side wall of the slag discharging heat preservation cylinder, so that slag and high-temperature fly ash generated after incineration in the waste incineration boiler enter the slag discharging heat preservation cylinder through the slag discharging port and the fly ash input pipeline;
and the melting heating box is connected with the bottom of the deslagging heat-preserving cylinder and used for heating and melting slag and high-temperature fly ash entering the deslagging heat-preserving cylinder, and the melting heating box is connected with a mineral wool making mechanism.
2. The apparatus for producing mineral wool from waste ash from a refuse incineration power plant according to claim 1, wherein the slag-tapping thermal insulation drum comprises an outer layer of steel plate and an insulation layer disposed inside the outer layer of steel plate.
3. The apparatus for manufacturing mineral wool using waste ash of a refuse incineration power plant as set forth in claim 2, wherein the heat insulating layer comprises:
the secondary inner layer heat-insulating layer is a common heat-insulating brick layer arranged on the inner wall of the outer layer of the steel plate;
the heat-insulating layer of the intermediate layer is a corundum heat-insulating brick layer arranged on the inner wall of the secondary inner layer heat-insulating layer, and a high-temperature-resistant heat-insulating coating is coated on the inner wall of the intermediate layer heat-insulating layer.
4. The device for preparing mineral wool by utilizing the waste ash of the waste incineration power plant as claimed in claim 1, wherein a fixing ring is fixedly arranged on the bottom end surface of the slag-discharging heat-preserving cylinder, and clamping grooves extending to the two ends are formed in the bottom surfaces of the left side and the right side of the fixing ring;
the left and right sides top of melting heating cabinet is provided with the card strip, the card strip with draw-in groove looks adaptation is in with through card strip joint is in realize in the draw-in groove the melting heating cabinet sets up the bottom of a heat preservation section of thick bamboo of slagging tap.
5. The apparatus for manufacturing mineral wool using waste ash from a refuse incineration power plant as set forth in claim 1, wherein an induction coil is wound around an outer wall of the melting heating tank, and a molten iron is introduced into the melting heating tank to induce heating between the induction coil and the molten iron.
6. The apparatus for producing mineral wool from waste ash from a refuse incineration power plant according to claim 2, wherein a discharge hole is formed in a side wall of the melting and heating tank, a discharge pipe is arranged at the discharge hole, and a discharge end of the discharge pipe is connected to the mineral wool producing mechanism.
7. The apparatus for producing mineral wool from waste ash from a refuse incineration plant as set forth in claim 6, wherein the difference between the distance from the center of the outlet to the bottom of the melting and heating tank and the diameter of the outlet is 200 mm and 250 mm.
8. The apparatus for producing mineral wool from waste ash of a refuse incineration power plant as set forth in claim 6, wherein a discharge opening is provided at a bottom of the melting and heating tank, a discharge pipe is provided at the discharge opening, and a discharge valve is provided on the discharge pipe.
9. The apparatus of claim 6, wherein the mineral wool making mechanism comprises a four-roll centrifuge, and the discharge end of the discharge pipe is connected to the four-roll centrifuge.
10. A method for preparing mineral wool by utilizing waste ash of a waste incineration power plant is characterized by comprising the following steps:
adding a molten iron into a melting heating tank;
slag generated by burning the garbage in the garbage burning boiler enters a slag discharging heat preservation cylinder through a slag discharging hole at the bottom of the garbage burning boiler and enters a melting heating box through the slag discharging heat preservation cylinder;
injecting fly ash generated by waste incineration into the slag discharging heat insulation cylinder through a fly ash injection pipeline on the side wall of the slag discharging heat insulation cylinder, and entering a melting heating box through the slag discharging heat insulation cylinder;
induction is carried out between an induction coil on the outer wall of the melting heating box and the iron fluid to heat, so that the slag and the fly ash in the melting heating box are melted;
and introducing the molten slag into a mineral wool making mechanism to prepare mineral wool.
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365984A (en) * | 1981-01-23 | 1982-12-28 | Bethlehem Steel Corporation | Mineral wool and process for producing same |
| JPH0424410A (en) * | 1990-05-16 | 1992-01-28 | Toyota Motor Corp | Coal firing boiler |
| JPH07293847A (en) * | 1994-04-27 | 1995-11-10 | Sumitomo Heavy Ind Ltd | Melting method of ash of incineration and treatment device therefor |
| JPH11351534A (en) * | 1998-06-09 | 1999-12-24 | Mitsubishi Heavy Ind Ltd | Waste melting furnace and its refractory material |
| WO2001083126A1 (en) * | 2000-04-28 | 2001-11-08 | Nkk Corporation | Fly ash treating method and device |
| JP2002059123A (en) * | 2000-08-19 | 2002-02-26 | Kangen Yoyu Gijutsu Kenkyusho:Kk | Method of melting fly ash, incineration ash or waste |
| CN2593068Y (en) * | 2003-01-03 | 2003-12-17 | 同济大学 | Refuse burning aftertreatment apparatus |
| JP2006233408A (en) * | 2005-01-31 | 2006-09-07 | Hitachi Ltd | Fiber production plant based on coal ash melting |
| JP2012163260A (en) * | 2011-02-07 | 2012-08-30 | Jfe Engineering Corp | Waste gasification melting device |
| CN107055588A (en) * | 2017-04-19 | 2017-08-18 | 昆山宇顺环保科技有限公司 | A kind of melting recycling processing method of incineration of refuse flyash |
| CN107434985A (en) * | 2016-05-25 | 2017-12-05 | 北京科立科盈科技有限公司 | A kind of processing system and method for fluidized gasification converter fly ash and lime-ash |
| CN108753367A (en) * | 2018-07-25 | 2018-11-06 | 上海正申建设工程有限公司 | A kind of the fluid bed powder coal gasification device and technique of flying dust zero-emission |
| CN110513703A (en) * | 2019-09-06 | 2019-11-29 | 西安交通大学 | A kind of waste incineration and fusing fly ash solidify federated resource processing system |
| CN110548748A (en) * | 2019-07-23 | 2019-12-10 | 周昊 | Collaborative melting treatment method for waste SCR flue gas denitration catalyst and fly ash |
| CN112325292A (en) * | 2020-11-23 | 2021-02-05 | 西安热工研究院有限公司 | Garbage incineration ash treatment system and method based on large coal-fired power plant solid-state slagging boiler |
| CN213132656U (en) * | 2020-06-09 | 2021-05-07 | 天津华能杨柳青热电有限责任公司 | SCR denitration coal-fired power plant slag tap boiler waste gas processing system |
| CN112811454A (en) * | 2021-03-22 | 2021-05-18 | 西安热工研究院有限公司 | System and method for comprehensively utilizing sulfur-containing flue gas and fly ash of boiler |
| CN113798307A (en) * | 2021-09-15 | 2021-12-17 | 浙江伊诺环保科技股份有限公司 | Fly ash high-temperature melting recycling treatment process |
-
2022
- 2022-03-31 CN CN202210346721.2A patent/CN114713592B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365984A (en) * | 1981-01-23 | 1982-12-28 | Bethlehem Steel Corporation | Mineral wool and process for producing same |
| JPH0424410A (en) * | 1990-05-16 | 1992-01-28 | Toyota Motor Corp | Coal firing boiler |
| JPH07293847A (en) * | 1994-04-27 | 1995-11-10 | Sumitomo Heavy Ind Ltd | Melting method of ash of incineration and treatment device therefor |
| JPH11351534A (en) * | 1998-06-09 | 1999-12-24 | Mitsubishi Heavy Ind Ltd | Waste melting furnace and its refractory material |
| WO2001083126A1 (en) * | 2000-04-28 | 2001-11-08 | Nkk Corporation | Fly ash treating method and device |
| JP2002059123A (en) * | 2000-08-19 | 2002-02-26 | Kangen Yoyu Gijutsu Kenkyusho:Kk | Method of melting fly ash, incineration ash or waste |
| CN2593068Y (en) * | 2003-01-03 | 2003-12-17 | 同济大学 | Refuse burning aftertreatment apparatus |
| JP2006233408A (en) * | 2005-01-31 | 2006-09-07 | Hitachi Ltd | Fiber production plant based on coal ash melting |
| JP2012163260A (en) * | 2011-02-07 | 2012-08-30 | Jfe Engineering Corp | Waste gasification melting device |
| CN107434985A (en) * | 2016-05-25 | 2017-12-05 | 北京科立科盈科技有限公司 | A kind of processing system and method for fluidized gasification converter fly ash and lime-ash |
| CN107055588A (en) * | 2017-04-19 | 2017-08-18 | 昆山宇顺环保科技有限公司 | A kind of melting recycling processing method of incineration of refuse flyash |
| CN108753367A (en) * | 2018-07-25 | 2018-11-06 | 上海正申建设工程有限公司 | A kind of the fluid bed powder coal gasification device and technique of flying dust zero-emission |
| CN110548748A (en) * | 2019-07-23 | 2019-12-10 | 周昊 | Collaborative melting treatment method for waste SCR flue gas denitration catalyst and fly ash |
| CN110513703A (en) * | 2019-09-06 | 2019-11-29 | 西安交通大学 | A kind of waste incineration and fusing fly ash solidify federated resource processing system |
| CN213132656U (en) * | 2020-06-09 | 2021-05-07 | 天津华能杨柳青热电有限责任公司 | SCR denitration coal-fired power plant slag tap boiler waste gas processing system |
| CN112325292A (en) * | 2020-11-23 | 2021-02-05 | 西安热工研究院有限公司 | Garbage incineration ash treatment system and method based on large coal-fired power plant solid-state slagging boiler |
| CN112811454A (en) * | 2021-03-22 | 2021-05-18 | 西安热工研究院有限公司 | System and method for comprehensively utilizing sulfur-containing flue gas and fly ash of boiler |
| CN113798307A (en) * | 2021-09-15 | 2021-12-17 | 浙江伊诺环保科技股份有限公司 | Fly ash high-temperature melting recycling treatment process |
Non-Patent Citations (2)
| Title |
|---|
| 别如山;张庆红;惠阳;: "垃圾焚烧飞灰旋风炉高温熔融试验研究", 工业锅炉 * |
| 金士照等: "利废法生产矿棉新工艺――电厂旋风炉渣生产矿棉(岩棉)的研究与实践", 《节能》 * |
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