CN117190708A - Cupola furnace melt buffer memory heat preservation intelligent control system for rock wool production line - Google Patents
Cupola furnace melt buffer memory heat preservation intelligent control system for rock wool production line Download PDFInfo
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- CN117190708A CN117190708A CN202311015493.1A CN202311015493A CN117190708A CN 117190708 A CN117190708 A CN 117190708A CN 202311015493 A CN202311015493 A CN 202311015493A CN 117190708 A CN117190708 A CN 117190708A
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- cupola
- heat
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- 238000004321 preservation Methods 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000011490 mineral wool Substances 0.000 title claims abstract description 28
- 239000000155 melt Substances 0.000 claims abstract description 93
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 239000002893 slag Substances 0.000 claims abstract description 25
- 239000000571 coke Substances 0.000 claims abstract description 24
- 239000002699 waste material Substances 0.000 claims abstract description 24
- 239000010459 dolomite Substances 0.000 claims abstract description 23
- 229910000514 dolomite Inorganic materials 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 61
- 238000005485 electric heating Methods 0.000 claims description 45
- 239000004020 conductor Substances 0.000 claims description 27
- 239000012535 impurity Substances 0.000 claims description 27
- 239000002994 raw material Substances 0.000 claims description 27
- 230000003139 buffering effect Effects 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 24
- 239000002245 particle Substances 0.000 description 15
- 229920000742 Cotton Polymers 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a cupola furnace melt buffer storage heat preservation intelligent control system for a rock wool production line, which comprises a waste slag bin, a first conveying mechanism, a basalt bin, a second conveying mechanism, a dolomite bin, a third conveying mechanism, a coke bin, a fourth conveying mechanism, a cupola furnace, a first inclined tube, a heat preservation box, a second inclined tube, a four-roller centrifugal machine and a controller, wherein when the temperature of a melt in the heat preservation box is detected to be lower than a preset temperature value, the controller controls the first valve to be closed, controls the heat preservation box to heat the melt in the heat preservation box, and when the temperature of the melt in the heat preservation box is detected to reach the preset temperature value, controls the first valve to be opened. Through the mode, the heat preservation box is capable of heating the melt, so that the temperature of the melt is kept not to be reduced when the melt flowing out of the cupola flows into the four-roller centrifugal machine, the production quality of products is effectively ensured, and hot air of the cupola is recovered to preserve heat of the heat preservation box, so that energy consumption is effectively saved.
Description
Technical Field
The invention relates to the technical field of rock wool production lines, in particular to an intelligent control system for buffering and heat preservation of a cupola furnace melt for a rock wool production line.
Background
In the rock wool preparation process, the used raw materials are basalt, dolomite, waste slag and coke, the raw materials are mixed according to a preset parameter proportion and then are sent into a cupola, preheated oxygen-enriched air is introduced into the bottom of the cupola, oxygen in the hot air reacts with the coke to produce carbon dioxide and release a large amount of heat, the downward raw materials are melted into melt, the melt enters a four-roller centrifugal machine through a movable launder, fiberization is completed under the action of high-speed air flow provided by the high-speed centrifugal machine and a high-pressure fan, meanwhile, binder and dust-proof oil are sprayed, waste slag is separated into a slag pit and discharged, fibers are blown into a cotton collecting machine, the fibers containing the binder are uniformly settled on a mesh belt running at a high speed of the cotton collecting machine under the action of the induced air flow and the negative air flow of the cotton collecting machine, a thin cotton felt layer is formed, the thin cotton felt layer is sent to a ferry conveyer through the ferry conveyer, the cotton felt is clamped to a forming machine through swinging of the thin felt, a plurality of layers of uniform cotton felts are formed, the thin cotton felt is further processed through a weighing conveyer, the thin cotton felt is processed through the folding conveyer, and is solidified under the condition of a certain thickness, and finally is processed through a plate and is placed in a container, and is packaged.
However, most of the movable launders on the market are open and exposed to air, namely when the melt flowing out of the cupola furnace is left in the movable launder, the melt in the movable launder is contacted with the outside air, the heat of the melt is exchanged with the air, and the water vapor is evaporated to take away the heat, so that the temperature of the melt in the movable launder is reduced, the temperature of the melt flowing into the four-roller centrifuge is reduced compared with the temperature of the melt flowing out of the cupola furnace, the temperature of the melt does not reach the standard, and the production quality of products is seriously affected.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides an intelligent control system for buffering and heat preservation of a cupola melt for a rock wool production line, which can ensure that the temperature of the melt is not reduced when the melt flowing out of the cupola flows into a movable launder, and the melt temperature reaches the standard, thereby effectively ensuring the production quality of products.
(II) technical scheme
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a cupola fuse-element buffering heat preservation intelligent control system that rock wool production line was used which characterized in that includes: the waste slag bin is used for accommodating waste slag; the first conveying mechanism is used for conveying the waste slag output by the waste slag storage bin; basalt bin to hold the material of the Xuanwu stone; the second conveying mechanism is used for conveying the basaltic raw materials output by the basalt bin; the dolomite bin is used for accommodating dolomite raw materials; the third conveying mechanism is used for conveying the dolomite raw materials output by the dolomite bin; the coke bin is used for accommodating coke; the fourth conveying mechanism is used for conveying the coke output by the coke bin; a cupola furnace for receiving the waste slag conveyed by the first conveying mechanism, receiving the raw material of the martial stone conveyed by the second conveying mechanism, receiving the raw material of the dolomite conveyed by the third conveying mechanism and receiving the coke conveyed by the fourth conveying mechanism, and melting the coke, the waste slag, the raw material of the martial stone and the raw material of the dolomite to form a melt; one end of the first inclined pipe is connected with an output port at the bottom of the cupola furnace; the input port of the heat preservation box is connected with the other end of the first inclined pipe and is used for receiving the melt output from the cupola and carrying out buffer heat preservation treatment; one end of the second inclined pipe is connected with an output port of the heat preservation box, and the output port of the heat preservation box is provided with a first valve; the input port of the four-roller centrifugal machine is connected with the other end of the second inclined pipe; the controller is connected with the heat preservation box and the first valve and is used for controlling the heat preservation box to work; when the temperature of the melt in the heat preservation box is detected to be lower than a preset temperature value, the controller controls the first valve to be closed, controls the heat preservation box to heat the melt in the heat preservation box, and controls the first valve to be opened when the temperature of the melt in the heat preservation box is detected to reach the preset temperature value.
Further, the output port at the bottom of the cupola furnace is provided with a second valve electrically connected with the controller, wherein the horizontal plane at the bottom of the cupola furnace is higher than the horizontal plane at the top of the heat insulation box, the horizontal plane at the bottom of the heat insulation box is higher than the horizontal plane at the top of the four-roller centrifugal machine, so that when the first valve is opened, the melt in the heat insulation box is automatically conveyed from the heat insulation box to the four-roller centrifugal machine through a second inclined pipe according to the gravity of the melt in the heat insulation box, and when the second valve is opened, the melt in the cupola furnace is automatically conveyed from the cupola furnace to the heat insulation box through the first inclined pipe according to the gravity of the melt.
Further, the insulation can is including heat conduction material layer and setting are in the insulating layer that insulates against heat outside the heat conduction material layer, wherein be equipped with the first inclined channel that the slope set up and the horizontal channel that the level set up in the heat conduction material layer, the top of first inclined channel with the other end intercommunication of first inclined tube, the one end of horizontal channel with the bottom intercommunication of first inclined channel, the other end of horizontal channel with the one end intercommunication of second inclined tube, first valve setting is in horizontal channel with the junction of second inclined tube, just be equipped with in the horizontal channel be used for detecting the temperature value of the fuse-element in the horizontal channel and with the first temperature sensor of controller electricity connection, the inner wall of horizontal channel be provided with the first electric heater strip of controller electricity connection, wherein: when the first temperature sensor detects that the temperature value of the melt in the horizontal channel is lower than a preset temperature value, the controller controls the first valve to be closed, the first electric heating wire is electrified to heat the melt in the heat insulation box through the first electric heating wire, and when the temperature value of the melt in the horizontal channel is detected to reach the preset temperature value, the first valve is controlled to be opened, and the first electric heating wire is stopped being electrified.
Further, the first electric heating wire is in a strip cylinder shape, the first electric heating wire is circumferentially arranged in the horizontal channel along the length direction of the horizontal channel, one part of the first electric heating wire is exposed in the horizontal channel, the other part of the first electric heating wire is embedded in the heat conducting material layer of the inner wall of the horizontal channel, and the outer diameter of the first electric heating wire in the other end, close to the second inclined tube, of the horizontal channel is smaller than the outer diameter of the first electric heating wire in the end, far away from the second inclined tube, of the horizontal channel.
Further, the heat conduction material layer is also provided with a second inclined channel which is obliquely arranged and is positioned above the first inclined channel, the first inclined channel is parallel to the second inclined channel, a filtering structure for filtering melt is arranged in the heat conduction material layer between the second inclined channel and the first inclined channel, the top end of the second inclined channel is communicated with the other end of the first inclined tube, and a containing cavity which is communicated with the bottom end of the second inclined channel and is positioned above the horizontal channel is also arranged in the heat conduction material layer.
Further, the bottom of heat conduction material layer still is equipped with the basin that is used for acceping water, the basin be in first inclined channel with the below of horizontal channel, wherein be equipped with in the basin be used for detecting the temperature value of the water in the basin and with the second temperature sensor that the controller electricity is connected, still be provided with in the basin with the second electric heater strip that the controller electricity is connected, wherein: when the second temperature sensor detects that the temperature value of the water in the water tank is lower than a preset water temperature value, the controller electrifies the second electric heating wire so as to heat the water in the water tank through the second electric heating wire, and when the temperature value of the water in the water tank reaches the preset water temperature value, the controller stops electrifies the second electric heating wire.
Further, still be equipped with in the heat conduction material layer and encircle setting in outside the horizontal channel and be annular form's annular channel, annular channel is in accept the below of cavity, annular channel keeps away from the bottom of the one end of first slope passageway is equipped with the gas input port, annular channel is close to the top of the other end of first slope passageway is equipped with first gas delivery outlet, and wherein the cupola fuse-element buffering heat preservation intelligent control system that this rock wool production line was used still includes: one end of the first air pipe is communicated with the top end output port of the cupola, and the other end of the first air pipe is communicated with the gas input port of the annular channel; one end of the second air pipe is communicated with the first air output port of the annular channel, and the other end of the second air pipe is communicated with the input port at the bottom of the water tank; wherein, the top of basin is equipped with the exhaust hole.
Further, the insulating layer of the lateral wall of acceping the cavity is equipped with the bin outlet, the top of acceping the cavity still is equipped with the gaseous delivery outlet of second, and wherein this cupola fuse-element buffering heat preservation intelligent control system that rock wool production line used still includes: and one end of the third air pipe is communicated with the second gas output port of the accommodating cavity, and the other end of the third air pipe is communicated with the gas input port of the annular channel.
Further, the bottom end of the second inclined channel is located at a level higher than the level of the bottom wall of the accommodating cavity, the bottom end of the second inclined channel is provided with an accommodating tank for accommodating impurities output from the second inclined channel, the accommodating tank is provided with a third valve electrically connected with the controller, the bottom wall of the accommodating cavity is provided with a fifth conveying mechanism, and the fifth conveying mechanism is provided with a conveying groove for accommodating the impurities output from the accommodating tank, wherein: when the impurities contained in the containing tank reach the preset weight, the fifth conveying mechanism drives the conveying tank to move to the lower side of the containing tank, the controller controls the third valve to be opened, so that the impurities in the containing tank are conveyed into the conveying tank, when the impurities in the conveying tank are detected to reach the early warning line, the third valve is controlled to be closed, and the conveying tank is driven to move to an output port of the containing cavity through the fifth conveying mechanism.
(III) beneficial effects
Compared with the prior art, the invention provides an intelligent control system for buffering and preserving heat of a cupola melt for a rock wool production line, which has the following beneficial effects: the invention discloses an intelligent control system for buffering and heat preservation of a cupola melt for a rock wool production line, which comprises a waste slag bin, a first conveying mechanism, a basalt bin, a second conveying mechanism, a dolomite bin, a third conveying mechanism, a coke bin, a fourth conveying mechanism, a cupola, a first inclined tube, a heat preservation box, a second inclined tube, a four-roller centrifugal machine and a controller, wherein when the temperature of the melt in the heat preservation box is detected to be lower than a preset temperature value, the controller controls the first valve to be closed, controls the heat preservation box to heat the melt in the heat preservation box, and when the temperature of the melt in the heat preservation box is detected to reach the preset temperature value, controls the first valve to be opened. Through the mode, the melt in the cupola furnace is reserved in the four-roller centrifugal machine in a sealing mode, so that the heat loss of the melt is prevented, the melt can be heated through the heat insulation box, the temperature of the melt is kept not to be reduced when the melt flowing out of the cupola furnace flows into the four-roller centrifugal machine, the temperature of the melt reaches the standard, the production quality of products is effectively ensured, and meanwhile, the hot air of the cupola furnace can be recycled to further insulate the heat insulation box, so that the energy consumption is effectively saved.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of a cupola melt buffer storage intelligent control system for a rock wool production line according to the present invention;
FIG. 2 is a schematic view of the insulation can of FIG. 1 in cross-section;
FIG. 3 is a schematic view of the horizontal channel of the incubator of FIG. 2;
FIG. 4 is a schematic diagram of a second embodiment of a cupola melt buffer storage intelligent control system for a rock wool production line according to the present invention;
fig. 5 is a schematic view showing a sectional structure of the incubator in fig. 4.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3, the invention provides an intelligent control system for buffering and heat preservation of a cupola melt for a rock wool production line, which comprises a waste slag bin, a first conveying mechanism, a basalt bin, a second conveying mechanism, a dolomite bin, a third conveying mechanism, a coke bin, a fourth conveying mechanism, a cupola 20, a first inclined tube 21, a second inclined tube 22, an incubator 23, a four-roller centrifuge 24 and a controller 25.
The waste slag bin is used for accommodating waste slag.
The first conveying mechanism is used for conveying the waste slag output by the waste slag storage bin.
The basalt bin is used for accommodating the raw material of the bastard stone.
The second conveying mechanism is used for conveying the raw material of the basaltic stone output by the basalt bin.
The dolomite bin is used for accommodating dolomite raw materials.
The third conveying mechanism is used for conveying the dolomite raw materials output by the dolomite bin.
The coke bin is used for accommodating coke.
The fourth conveying mechanism is used for conveying coke output by the coke bin.
The cupola furnace 20 is configured to receive the waste slag conveyed by the first conveyor, to receive the martial arts raw material conveyed by the second conveyor, to receive the dolomite raw material conveyed by the third conveyor and to receive the coke conveyed by the fourth conveyor, and to melt the coke, the waste slag, the martial arts raw material and the dolomite raw material to form a melt.
It should be understood that the melting of coke, waste slag, raw material of martial stone and raw material of dolomite by the cupola 20 of the present embodiment to form a melt is a technology in the prior art, and the principle and structure thereof will not be described in detail herein.
One end of the first inclined tube 21 is connected to an output port at the bottom of the cupola 2 so that the melt in the cupola 20 flows into the first inclined tube 21.
An input port of the incubator 23 is connected to the other end of the first inclined pipe 21 for receiving the melt output from the cupola 2 and performing a buffer heat-insulating treatment.
One end of the second inclined pipe 22 is connected to an output port of the heat-insulating box 23 so that the melt in the heat-insulating box 23 flows into the second inclined pipe 22.
The input port of the four-roller centrifuge 24 is connected to the other end of the second inclined pipe 22 so that the melt in the incubator 23 flows into the four-roller centrifuge 24 through the second inclined pipe 22.
It should be understood that the melt in the cupola 20 of the present embodiment flows into the heat-preserving box 23 through the first inclined tube 21, and the melt in the heat-preserving box 23 flows into the four-roller centrifuge 24 through the second inclined tube 22, so that the melt in the cupola 20 flows into the four-roller centrifuge 24 in a sealed manner, the heat of the melt is not lost, the temperature of the melt is not easily reduced, the melt flowing into the four-roller centrifuge 24 reaches the standard, and the quality of the product is effectively improved.
The controller 25 is connected with the heat preservation box 23 and is used for controlling the heat preservation box 23 to work so as to heat the melt in the heat preservation box 23 through the heat preservation box 23.
Preferably, the outlet of the incubator 23 is provided with a first valve, which is connected to the controller 25 such that the opening or closing of the first valve can be controlled by the controller 25.
In this embodiment, when it is checked that the temperature of the melt in the heat-insulating box 23 is lower than the preset temperature value, the controller 25 controls the first valve to be closed, and controls the heat-insulating box 25 to heat the melt in the heat-insulating box 25, and when it is checked that the temperature of the melt in the heat-insulating box 25 reaches the preset temperature value, controls the first valve to be opened, so that the temperature of the melt flowing to the four-roller centrifuge 24 is up to the standard.
Further, the output port at the bottom of the cupola 20 is provided with a second valve electrically connected with the controller 25, wherein the horizontal plane at the bottom of the cupola 20 is higher than the horizontal plane at the top of the incubator 23, and the horizontal plane at the bottom of the incubator 23 is higher than the horizontal plane at the top of the four-roller centrifuge 24, so that when the first valve is opened, the melt in the incubator 23 is automatically conveyed from the incubator 23 to the four-roller centrifuge 24 through the second inclined tube 22 according to the gravity of the melt, and when the second valve is opened, the melt in the cupola 20 is automatically conveyed from the cupola 20 to the incubator 23 through the first inclined tube 21 according to the gravity of the melt.
It should be appreciated that in some embodiments, upon determining that the cupola 20 is required to output melt, the controller 25 controls the second valve to open so that the melt within the cupola 20 flows into the first angled tube 21.
In this embodiment, the insulation can 23 includes a heat conductive material layer 231 and a heat insulating layer 232 disposed outside the heat conductive material layer 231. It should be appreciated that the heat conductive material layer 231 can uniformly diffuse heat in the heat conductive material layer 231, and the heat insulating layer 232 can prevent heat of the heat conductive material layer 231 from being dissipated, so that heat is prevented from being lost.
Further, a first inclined channel 2311 and a horizontal channel 2312 are disposed in the heat conductive material layer 231, wherein a top end of the first inclined channel 2311 is communicated with another end of the first inclined tube 21, one end of the horizontal channel 2312 is communicated with a bottom end of the first inclined channel 2311, and another end of the horizontal channel 2312 is communicated with one end of the second inclined tube 22, such that the melt flowing out from the cupola 20 passes through the first inclined tube 21, the first inclined channel 2311, the horizontal channel 2312 and the second inclined tube 22 and flows into the four-roller centrifuge 24.
Preferably, the first valve is disposed at the connection between the horizontal channel 2312 and the second inclined pipe 22, and a first temperature sensor for detecting the temperature value of the melt in the horizontal channel 2312 and electrically connected to the controller 25 is disposed in the horizontal channel 2312, and further, a first electric heating wire 2313 electrically connected to the controller 25 is disposed on the inner wall of the horizontal channel 2312.
In the present embodiment, when the first temperature sensor detects that the temperature value of the melt in the horizontal passage 23 is lower than the preset temperature value, the controller 25 controls the first valve to be closed and energizes the first electric heating wire 2313 to heat the melt in the heat insulation box 23 by the first electric heating wire 2313, and when it detects that the temperature value of the melt in the horizontal passage 2312 reaches the preset temperature value, controls the first valve to be opened and stops energizing the first electric heating wire 2313. It should be understood that the preset temperature value is a standard temperature value set by the user.
Preferably, the first electric heating wire 2313 is in a long cylindrical shape, the first electric heating wire 2313 is circumferentially disposed in the horizontal channel 2312 along the length direction of the horizontal channel 2312, wherein a part of the first electric heating wire 2313 is exposed in the horizontal channel 2312, and another part of the first electric heating wire 2313 is embedded in the heat conducting material layer 231 of the inner wall of the horizontal channel 2312. It should be appreciated that the first electric heating wires 2313 exposed in the horizontal channel 2312 may directly heat the melt in the horizontal channel 2312, and the first electric heating wires 2313 embedded in the heat conductive material layer 231 of the inner wall of the horizontal channel 2312 may transfer heat into the heat conductive material layer 231, so that the heat conductive material layer 231 may uniformly spread the heat and transfer the heat to the melt, and the heating effect may be better and uniform.
Further, the outer diameter of the first electric heating wire 2313 in the other end of the horizontal channel 2312 near the second inclined pipe 22 is smaller than the outer diameter of the first electric heating wire 2313 in the one end of the horizontal channel 2312 far from the second inclined pipe 22, so that the temperature generated by the first electric heating wire 2313 in the other end of the horizontal channel 2312 near the second inclined pipe 22 is higher than the temperature generated by the first electric heating wire 2313 in the one end of the horizontal channel 2312 far from the second inclined pipe 22 when the power is on.
Further, a second inclined channel 2314 is further disposed in the heat conducting material layer 231 and is disposed above the first inclined channel 2311, wherein the first inclined channel 2311 and the second inclined channel 2314 are disposed in parallel, and a filtering structure 2315 for filtering the melt is disposed in the heat conducting material layer 231 between the second inclined channel 2314 and the first inclined channel 2311, so that some impurities and particles in the melt cannot flow into the first inclined channel 2311, and therefore the impurities of the melt flowing into the four-roller centrifuge 24 are reduced, and the quality of the product is greatly improved. It should be appreciated that the filter structure 2315 is provided with a plurality of filter pores that allow the melt to flow therethrough while impurities and particulates cannot flow therethrough.
Preferably, the top end of the second inclined channel 2314 is communicated with the other end of the first inclined tube 21, and a receiving cavity 2316 which is communicated with the bottom end of the second inclined channel 2314 and is positioned above the horizontal channel 2312 is further arranged in the heat conducting material layer 231. It should be appreciated that impurities and particles that cannot enter the first sloped channel 2311 through the filtering structure 2315 will flow into the receiving cavity 2316.
In this embodiment, the bottom of the heat conductive material layer 231 is further provided with a water tank 2317 for containing water, the water tank 2317 is located below the first inclined channel 2311 and the horizontal channel 2312, wherein a second temperature sensor for detecting the temperature value of the water in the water tank 2317 and electrically connected with the controller 25 is disposed in the water tank 2317, and a second electric heating wire 2318 electrically connected with the controller 25 is further disposed in the water tank 2317, so that the water in the water tank 2317 can be heated by the second electric heating wire 2318.
It should be appreciated that since the water tank 2317, the first inclined channel 2311, the second inclined channel 2314 and the horizontal channel 2312 are all disposed in the heat conductive material layer 231, heat of water in the water tank 2317 is transferred to the melt in the first inclined channel 2311, the second inclined channel 2314 and the horizontal channel 2312, thereby ensuring that the temperature of the melt in the first inclined channel 2311, the second inclined channel 2314 and the horizontal channel 2312 is in a smooth state.
Preferably, when the second temperature sensor detects that the temperature value of the water in the water tank 2317 is lower than the preset water temperature value, the controller 25 energizes the second electric heating wire 2318 to heat the water in the water tank 2317 through the second electric heating wire 2318, and when it is detected that the temperature value of the water in the water tank 2317 reaches the preset water temperature value, the controller 25 stops energizing the second electric heating wire 2318 so that the temperature of the water in the water tank 2317 is in a standard temperature state, thereby enabling to ensure that the temperature of the melt is in the standard temperature state.
Further, an annular channel 2319 surrounding the horizontal channel 2312 and having an annular shape is further disposed in the heat conductive material layer 231, the annular channel 2319 is located below the accommodating cavity 2316, a gas input port is disposed at a bottom end of one end of the annular channel 2319 away from the first inclined channel 2311, and a first gas output port 2310 is disposed at a top end of the annular channel 2319 close to the other end of the first inclined channel 2311.
Further, the intelligent control system for buffering and heat preservation of the cupola melt for the rock wool production line further comprises a first air pipe 26 and a second air pipe, wherein one end of the first air pipe 26 is communicated with an output port at the top end of the cupola 20, the other end of the first air pipe 26 is communicated with a gas input port of the annular channel 2319, one end of the second air pipe is communicated with a first gas output port 2310 of the annular channel 2319, the other end of the second air pipe is communicated with an input port at the bottom of the water tank 2317, hot gas at the top end of the cupola 20 is conveyed into the annular channel 2319 through the first air pipe 26, the hot gas in the annular channel 2319 can transfer heat into the melt in the horizontal channel 2312 for heat exchange, and after the heat exchange, gas at the top of the annular channel 2319 enters the water tank 2317 from the bottom of the water tank 2317 through the second air pipe to transfer the heat into the water in the water tank 2317, so that the heat of the cupola 20 can be recycled, and the energy consumption can be effectively reduced.
Preferably, an exhaust hole is provided at the top of the water tank 2317 to exhaust the gas in the water tank 2317.
Referring to fig. 4-5, in other embodiments, the insulating layer 232 on the side wall of the accommodating cavity 2316 is provided with a discharge port, the top of the accommodating cavity 2316 is further provided with a second gas output port, and the intelligent control system for buffering and heat preservation of the cupola melt for the rock wool production line further comprises a third gas pipe 27, wherein one end of the third gas pipe 27 is communicated with the second gas output port of the accommodating cavity 2316, and the other end of the third gas pipe 27 is communicated with the gas input port of the annular channel 2319, so that hot gas of the accommodating cavity 2316 is input into the annular channel 2319 through the third gas pipe 27, and the hot gas in the annular channel 2319 can transfer heat into the melt in the horizontal channel 2312 for heat exchange, and after the heat exchange, the gas at the top of the annular channel 2319 enters the water tank 2317 from the bottom of the water tank 2317 through the second gas pipe to transfer the heat into the water in the water tank 2317, so that the heat of the accommodating cavity 2316 can be recycled, and the energy consumption is effectively reduced.
Further, the bottom end of the second inclined channel 2314 is located at a level higher than the level of the bottom wall of the accommodating cavity 2316, wherein the bottom end of the second inclined channel 2314 is provided with an accommodating tank for accommodating impurities and particles output from the second inclined channel 2314, the accommodating tank is provided with a third valve electrically connected with the controller 25, the bottom wall of the accommodating cavity 2316 is provided with a fifth conveying mechanism 28, and the fifth conveying mechanism 28 is provided with a conveying groove for accommodating impurities and particles output from the accommodating tank, that is, the fifth conveying mechanism 28 can drive the conveying groove to move.
Preferably, a pressure sensor for weighing impurities and particles is disposed in the accommodating tank and electrically connected to the controller 25, when the impurities and particles accommodated in the accommodating tank reach a preset weight (i.e. the pressure sensor detects that the weight of the impurities and particles accommodated in the accommodating tank reach the preset weight), the fifth conveying mechanism 28 drives the conveying tank to move to the lower part of the accommodating tank, the controller 25 controls the third valve to open so that the impurities and particles in the accommodating tank are conveyed into the conveying tank, and when the impurities and particles in the conveying tank are detected to reach an early warning line, the third valve is controlled to close, and the conveying tank is driven by the fifth conveying mechanism 28 to move to an output port of the accommodating cavity 2316, so that the impurities and particles in the conveying tank can be discharged through the output port of the accommodating cavity 2316.
Further, in some embodiments, the output port of the housing cavity 2316 is further provided with a sixth conveying mechanism 29 below the output port, where one end of the sixth conveying mechanism 29 is below the output port of the housing cavity 2316, so that impurities and particles discharged from the output port of the housing cavity 2316 fall into the sixth conveying mechanism 29, in addition, a recovery tank for receiving impurities and particles discharged from the output port of the housing cavity 2316 is also provided in the sixth conveying mechanism 29, and the other end of the sixth conveying mechanism 29 is connected to the first conveying mechanism, the second conveying mechanism, the third conveying mechanism or the fourth conveying mechanism, so that impurities and particles in the recovery tank on the sixth conveying mechanism 29 can fall into the first conveying mechanism, the second conveying mechanism, the third conveying mechanism or the fourth conveying mechanism, so that the first conveying mechanism, the second conveying mechanism, the third conveying mechanism or the fourth conveying mechanism can convey the impurities and particles with heat back into the cupola furnace 20 again. Or a recovery bin is arranged below the other end of the sixth conveying mechanism 29, and impurities and particles in the recovery tank on the sixth conveying mechanism 29 can be recovered by the recovery bin.
Further, in some embodiments, the outside of the insulation box 23 is further provided with a vibration motor 30, and a vibration rod of the vibration motor 30 passes through the heat conducting material layer 231 and is connected with the filtering structure 2315, so that the vibration rod of the vibration motor 30 drives the filtering structure 2315 to vibrate, so as to accelerate the filtering speed of the melt. It will be appreciated that the melt is viscous and the melt flow can be accelerated by vibration to enhance the filtering effect.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a cupola fuse-element buffering heat preservation intelligent control system that rock wool production line was used which characterized in that includes:
the waste slag bin is used for accommodating waste slag;
the first conveying mechanism is used for conveying the waste slag output by the waste slag storage bin;
basalt bin to hold the material of the Xuanwu stone;
the second conveying mechanism is used for conveying the basaltic raw materials output by the basalt bin;
the dolomite bin is used for accommodating dolomite raw materials;
the third conveying mechanism is used for conveying the dolomite raw materials output by the dolomite bin;
the coke bin is used for accommodating coke;
the fourth conveying mechanism is used for conveying the coke output by the coke bin;
a cupola furnace for receiving the waste slag conveyed by the first conveying mechanism, receiving the raw material of the martial stone conveyed by the second conveying mechanism, receiving the raw material of the dolomite conveyed by the third conveying mechanism and receiving the coke conveyed by the fourth conveying mechanism, and melting the coke, the waste slag, the raw material of the martial stone and the raw material of the dolomite to form a melt;
one end of the first inclined pipe is connected with an output port at the bottom of the cupola furnace;
the input port of the heat preservation box is connected with the other end of the first inclined pipe and is used for receiving the melt output from the cupola and carrying out buffer heat preservation treatment;
one end of the second inclined pipe is connected with an output port of the heat preservation box, and the output port of the heat preservation box is provided with a first valve;
the input port of the four-roller centrifugal machine is connected with the other end of the second inclined pipe;
the controller is connected with the heat preservation box and the first valve and is used for controlling the heat preservation box to work;
when the temperature of the melt in the heat preservation box is detected to be lower than a preset temperature value, the controller controls the first valve to be closed, controls the heat preservation box to heat the melt in the heat preservation box, and controls the first valve to be opened when the temperature of the melt in the heat preservation box is detected to reach the preset temperature value.
2. The intelligent control system for buffering and heat preservation of a cupola melt for a rock wool production line according to claim 1, wherein the output port at the bottom of the cupola is provided with a second valve electrically connected with the controller, wherein the horizontal plane at the bottom of the cupola is higher than the horizontal plane at the top of the heat preservation box, the horizontal plane at the bottom of the heat preservation box is higher than the horizontal plane at the top of the four-roller centrifuge, so that when the first valve is opened, the melt in the heat preservation box is automatically conveyed from the heat preservation box to the four-roller centrifuge through a second inclined tube according to the gravity of the melt, and when the second valve is opened, the melt in the cupola is automatically conveyed from the cupola to the heat preservation box through the first inclined tube according to the gravity of the melt.
3. The intelligent control system for buffering and heat preservation of a cupola melt for a rock wool production line according to claim 2, wherein the heat preservation box comprises a heat conducting material layer and a heat insulation layer arranged outside the heat conducting material layer, wherein a first inclined channel which is obliquely arranged and a horizontal channel which is horizontally arranged are arranged in the heat conducting material layer, the top end of the first inclined channel is communicated with the other end of the first inclined tube, one end of the horizontal channel is communicated with the bottom end of the first inclined channel, the other end of the horizontal channel is communicated with one end of the second inclined tube, the first valve is arranged at the joint of the horizontal channel and the second inclined tube, a first temperature sensor which is used for detecting the temperature value of the melt in the horizontal channel and is electrically connected with the controller is arranged in the horizontal channel, and a first electric heating wire which is electrically connected with the controller is arranged on the inner wall of the horizontal channel, wherein:
when the first temperature sensor detects that the temperature value of the melt in the horizontal channel is lower than a preset temperature value, the controller controls the first valve to be closed, the first electric heating wire is electrified to heat the melt in the heat insulation box through the first electric heating wire, and when the temperature value of the melt in the horizontal channel is detected to reach the preset temperature value, the first valve is controlled to be opened, and the first electric heating wire is stopped being electrified.
4. The intelligent control system for buffering and heat preservation of a cupola melt for a rock wool production line according to claim 3, wherein the first electric heating wire is in a strip cylinder shape, the first electric heating wire is circumferentially arranged in the horizontal channel along the length direction of the horizontal channel, a part of the first electric heating wire is exposed in the horizontal channel, the other part of the first electric heating wire is embedded in a heat conducting material layer of the inner wall of the horizontal channel, and the outer diameter of the first electric heating wire in the other end, close to the second inclined tube, of the horizontal channel is smaller than the outer diameter of the first electric heating wire in the end, far away from the second inclined tube, of the horizontal channel.
5. The intelligent control system for buffering and heat preservation of a cupola melt for a rock wool production line according to claim 3, wherein a second inclined channel which is obliquely arranged and is positioned above the first inclined channel is further arranged in the heat conducting material layer, the first inclined channel is arranged in parallel with the second inclined channel, a filtering structure for filtering the melt is arranged in the heat conducting material layer between the second inclined channel and the first inclined channel, the top end of the second inclined channel is communicated with the other end of the first inclined tube, and a containing cavity which is communicated with the bottom end of the second inclined channel and is positioned above the horizontal channel is further arranged in the heat conducting material layer.
6. The intelligent control system for buffering and heat preservation of a cupola furnace melt for a rock wool production line according to claim 5, wherein a water tank for containing water is further arranged at the bottom of the heat conducting material layer, the water tank is positioned below the first inclined channel and the horizontal channel, a second temperature sensor for detecting the temperature value of the water in the water tank and electrically connected with the controller is arranged in the water tank, and a second electric heating wire electrically connected with the controller is further arranged in the water tank, wherein:
when the second temperature sensor detects that the temperature value of the water in the water tank is lower than a preset water temperature value, the controller electrifies the second electric heating wire so as to heat the water in the water tank through the second electric heating wire, and when the temperature value of the water in the water tank reaches the preset water temperature value, the controller stops electrifies the second electric heating wire.
7. The intelligent control system for buffering and heat preservation of a cupola melt for a rock wool production line according to claim 6, wherein an annular channel which is arranged outside the horizontal channel in a surrounding manner and is annular is further arranged in the heat conducting material layer, the annular channel is positioned below the accommodating cavity, a gas input port is arranged at the bottom end of one end, far away from the first inclined channel, of the annular channel, a first gas output port is arranged at the top end, close to the other end of the first inclined channel, of the annular channel, and the intelligent control system for buffering and heat preservation of the cupola melt for the rock wool production line further comprises:
one end of the first air pipe is communicated with the top end output port of the cupola, and the other end of the first air pipe is communicated with the gas input port of the annular channel;
one end of the second air pipe is communicated with the first air output port of the annular channel, and the other end of the second air pipe is communicated with the input port at the bottom of the water tank;
wherein, the top of basin is equipped with the exhaust hole.
8. The intelligent control system for buffering and heat preservation of a cupola melt for a rock wool production line according to claim 7, wherein the heat insulation layer on the side wall of the accommodating cavity is provided with a discharge port, the top of the accommodating cavity is further provided with a second gas outlet, and the intelligent control system for buffering and heat preservation of a cupola melt for a rock wool production line further comprises:
and one end of the third air pipe is communicated with the second gas output port of the accommodating cavity, and the other end of the third air pipe is communicated with the gas input port of the annular channel.
9. The intelligent control system for buffering and heat preservation of a cupola melt for a rock wool production line according to claim 8, wherein a horizontal plane where a bottom end of the second inclined passage is located is higher than a horizontal plane where a bottom wall of the accommodating cavity is located, the bottom end of the second inclined passage is provided with an accommodating tank for accommodating impurities output from the second inclined passage, the accommodating tank is provided with a third valve electrically connected with the controller, the bottom wall of the accommodating cavity is provided with a fifth conveying mechanism, and the fifth conveying mechanism is provided with a conveying groove for accommodating impurities output from the accommodating tank, wherein:
when the impurities contained in the containing tank reach the preset weight, the fifth conveying mechanism drives the conveying tank to move to the lower side of the containing tank, the controller controls the third valve to be opened, so that the impurities in the containing tank are conveyed into the conveying tank, when the impurities in the conveying tank are detected to reach the early warning line, the third valve is controlled to be closed, and the conveying tank is driven to move to an output port of the containing cavity through the fifth conveying mechanism.
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| CN202311015493.1A CN117190708B (en) | 2023-08-11 | 2023-08-11 | Cupola furnace melt buffer memory heat preservation intelligent control system for rock wool production line |
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| CN202311015493.1A CN117190708B (en) | 2023-08-11 | 2023-08-11 | Cupola furnace melt buffer memory heat preservation intelligent control system for rock wool production line |
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| CN117190708B (en) | 2024-02-23 |
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