CN210102996U - Calcium carbide unloading primary breaking dust removal system - Google Patents
Calcium carbide unloading primary breaking dust removal system Download PDFInfo
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- CN210102996U CN210102996U CN201920657824.4U CN201920657824U CN210102996U CN 210102996 U CN210102996 U CN 210102996U CN 201920657824 U CN201920657824 U CN 201920657824U CN 210102996 U CN210102996 U CN 210102996U
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Abstract
The utility model relates to a carbide system of removing dust of breaking just of unloading, carbide system of removing dust of breaking just of unloading includes that the top sets up the pre-broken workshop of carbide canopy, the system of unloading, the explosion-proof system of breaking in advance of sealing, metal sorting system, dust pelletizing system, ground dust collecting system, carbide transfer passage, after the carbide transport vechicle gets into the pre-broken workshop, utilize the lift and the translation of gantry brake, push the carbide on the carbide transport vechicle to the unloading ramp, degree of automation is high, need not forklift or crane and carry out the operation, factor of safety is high; the closed anti-explosion pre-breaking system is arranged under the ground and is matched with the blanking ramp, so that calcium carbide unloaded by the calcium carbide transport vehicle can enter the closed anti-explosion pre-breaking system under the action of self weight.
Description
Technical Field
The utility model relates to an acetylene production auxiliary assembly technical field, especially a carbide is unloaded and is broken dust pelletizing system just.
Background
The calcium carbide is an important production raw material of chemical products such as polyvinyl chloride and the like, has very obvious characteristics, reacts violently immediately when meeting water to generate acetylene and emit heat, and the content of the calcium carbide is changed along with different melting pointsMeanwhile, the flash point of the calcium carbide is low, and the deflagration accident is very easy to happen; when the calcium carbide is produced, large calcium carbide blocks are put into an iron sheet used as a bracket at a high temperature, the iron sheet and the calcium carbide are loaded on a vehicle by a forklift, a forklift and other tools for transportation, unloaded after arriving at a PVC (polyvinyl chloride) manufacturer, and crushed and then enter an acetylene generator; in the prior art, a large amount of dust is generated in the calcium carbide crushing process, certain influence is generated on the environment, simultaneously, the danger is high, the problems of calcium carbide crushing and large acetylene calcium carbide dust are solved, and the environmental protection index is ensured to meet the national requirement (the emission concentration is lower than 30 mg/Nm)3The working condition concentration is lower than 5 mg/Nm3) The design of a safe and reliable calcium carbide unloading primary dust removal system capable of recovering calcium carbide dust to reduce calcium carbide loss is a technical problem which needs to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a safe and reliable, recoverable carbide dust is in order to reduce the carbide of carbide loss calcium carbide unloading and just breaks dust pelletizing system.
In order to solve the technical problem, the calcium carbide unloading primary breaking dust removal system provided by the utility model comprises a pre-breaking workshop with a calcium carbide shed arranged at the top, an unloading system, a closed explosion-proof pre-breaking system, a metal sorting system, a dust removal system, a ground dust collection system and a calcium carbide conveying channel,
the discharging system comprises an upper car approach slope, a lower car approach slope, a discharging platform and a discharging ramp which are sequentially arranged, wherein the discharging platform is higher than the tail end of the lower car approach slope, the tail end of the discharging ramp is arranged on the upper side of a feeding hole of the discharging system, the discharging system also comprises a gantry brake capable of lifting and translating, when the carbide transport vehicle moves to the position that the tail end of the carbide transport vehicle is arranged on the discharging platform, the gantry brake is clamped at the front end of carbide loaded by the carbide transport vehicle, and the gantry brake is moved backwards to push the carbide into the discharging ramp;
the closed explosion-proof pre-breaking system comprises a shell, wherein the shell is provided with a feed inlet which is closed by a feed cover, at least one pair of toothed rollers are arranged in the shell, the bottom end of the shell is provided with a discharge outlet, and calcium carbide to be initially broken enters the shell from a blanking ramp when the feed cover is opened;
the metal sorting system comprises a pipeline type iron remover and a self-unloading type iron remover, wherein the feeding end of the pipeline type iron remover is communicated with the discharging port of the closed anti-explosion pre-breaking system, so that when the calcium carbide and the iron sheet which are initially broken in the closed anti-explosion pre-breaking system pass through the pipeline type iron remover, the calcium carbide and the iron sheet are separated by the pipeline type iron remover, the separated calcium carbide is conveyed through a calcium carbide conveying channel, and at least one group of self-unloading type iron removers are arranged above the calcium carbide conveying channel and used for carrying out secondary iron removal on the iron sheet which is missed to be detected by the pipeline type iron remover;
the dust removal system comprises a bag-type dust remover, a dust hood and a dust removal pipeline, wherein the bag-type dust remover is communicated with a shell of the closed explosion-proof pre-breaking system through the dust removal pipeline, and the dust hood is covered on the calcium carbide conveying channel so that the bag-type dust remover can introduce dust-containing gas in the shell and on the calcium carbide conveying channel into the bag-type dust remover;
the ground dust collection system comprises a plurality of manual dust collectors and cyclone separators, wherein the manual dust collectors and the cyclone separators are arranged in the pre-breaking workshop, and each manual dust collector is communicated with the cyclone separator through a dust collection flue, so that the cyclone separators can suck dust in the pre-breaking workshop and separate the dust from gas, and calcium carbide dust in the pre-breaking workshop is recovered.
Further, self-discharging de-ironing separator includes carry over pinch rolls, belt, permanent magnet and iron sheet unloading swash plate, carry over pinch rolls and belt drive cooperation, so that the belt is rotatable to be set up carbide conveying passage's top, one side of carbide conveying passage sets up iron sheet unloading swash plate, the permanent magnet is arranged in the belt, the permanent magnet extends to at least the top of the feed end of iron sheet unloading swash plate to make the iron sheet that pipeline formula de-ironing separator missed to examine adsorb when self-discharging de-ironing separator through the surface of self-discharging de-ironing separator belt and carry to the feed end of iron sheet unloading swash plate, in order to get into iron sheet unloading swash plate, realize the secondary letter sorting of iron sheet.
Further, the metal sorting system further comprises a metal conveying channel and a metal storage box, and the self-unloading iron remover and the pipeline type iron remover are respectively communicated with the metal storage box through the metal conveying channel and are used for conveying sorted iron sheets into the metal storage box.
Further, the fluted roller is vertically arranged, or the fluted roller is horizontally arranged, and the fluted roller is in transmission fit with the explosion-proof speed reducing motor, so that the explosion-proof motor can drive the fluted roller to vertically rotate in the shell.
Further, at least one of the toothed rollers can be movably arranged to adjust the distance between the two toothed rollers so as to adjust the size of the calcium carbide after initial breaking.
Further, a nitrogen gas supplementing interface is arranged on the shell and used for supplementing nitrogen gas into the closed explosion-proof pre-explosion system.
Further, the shell is arranged in the ground, and the feed inlet at the top end of the shell is arranged at the tail end of the blanking ramp, so that calcium carbide on the blanking ramp can enter the shell under the action of gravity.
Further, the calcium carbide unloading primary-breaking dust removal system further comprises a ball press machine, wherein a lower material bin of the cyclone separator and a lower material bin of the bag-type dust remover are communicated with the ball press machine and are used for pressing calcium carbide dust recovered by the cyclone separator and the bag-type dust remover into balls for recovery.
The working method of the calcium carbide unloading primary breaking dust removal system comprises the following steps:
A. the calcium carbide supported by the iron sheets is loaded on the carbide transport vehicle, the gantry gate is lifted, and the carbide transport vehicle enters the pre-breaking workshop and then enters along an upper vehicle approach slope and a lower vehicle approach slope in a reversing way, so that the tail end of the carbide transport vehicle is arranged on the blanking platform.
B. The gantry gate is moved to the front end of the whole calcium carbide loaded on the carbide transport vehicle in a translation mode, the gantry gate is lowered to be clamped at the front end of the whole calcium carbide loaded on the carbide transport vehicle, a feeding cover of the closed anti-explosion pre-breaking system is opened, the gantry gate is moved backwards to push the whole calcium carbide and iron sheets into the blanking ramp, the whole calcium carbide enters the closed anti-explosion pre-breaking system, the feeding cover is closed, the gear roller is rotated, and the whole calcium carbide and the iron sheets are initially broken; and starting the bag-type dust collector, and carrying out pneumatic conveying and recovery on the dust crushed by the closed explosion-proof pre-crushing system.
C. The whole calcium carbide and iron sheet are crushed and then enter a pipeline type iron remover, the pipeline type iron remover is used for separating iron sheets and calcium carbide blocks, the iron sheets enter a metal conveying channel and are conveyed to a metal storage box, and the calcium carbide blocks enter the calcium carbide conveying channel.
D. The iron sheets which are missed to be detected are sorted by a self-discharging iron remover on the calcium carbide conveying channel, the sorted iron sheets are conveyed to a metal storage box through the metal conveying channel, the calcium carbide is conveyed into a rough crusher through the calcium carbide conveying channel, and dust in a dust removing cover on the calcium carbide conveying channel is recovered by a bag-type dust remover.
E. And starting the manual dust remover and the cyclone separator, recovering dust on the ground in the primary breaking workshop by the manual dust remover, conveying the dust to the cyclone separator by air, and recycling the dust filtered by the cyclone separator after entering the ball press machine.
The technical effects of the utility model are that: (1) compared with the prior art, the calcium carbide unloading primary-breaking dedusting system of the utility model has the advantages that after the calcium carbide transport vehicle enters the pre-breaking workshop, the calcium carbide on the calcium carbide transport vehicle is pushed to the blanking ramp by the lifting and the translation of the gantry gate, the automation degree is high, a forklift or a crane is not needed for operation, and the safety factor is high; (2) arranging the closed anti-explosion pre-breaking system under the ground and matching with the blanking ramp, so that the calcium carbide unloaded by the calcium carbide transport vehicle can enter the closed anti-explosion pre-breaking system under the action of self weight; (3) the closed explosion-proof pre-breaking system is provided with a nitrogen supplement interface, so that the shell is filled with nitrogen to isolate oxygen, and the safety is greatly improved; (4) the closed anti-explosion pre-breaking system and the calcium carbide conveying channel are subjected to dust adsorption by the bag-type dust collector, so that the overflow of calcium carbide dust can be reduced, the safety is improved, and the waste is reduced; the cyclone separator is matched with an artificial dust collector in the pre-breaking workshop, so that calcium carbide dust in the pre-breaking workshop can be recovered, the utilization efficiency of raw materials is improved, raised dust generated in the unloading process in the calcium carbide awning is effectively treated, and the dust overflow phenomenon of a window of the calcium carbide awning is obviously improved; (5) the calcium carbide is pre-broken in the closed anti-explosion pre-breaking system before entering the coarse breaker, so that the size of the calcium carbide entering the coarse breaker can be controlled, the coarse breaking efficiency is improved, and meanwhile, iron sheets serving as brackets are broken; the pipeline type iron remover is used for primarily sorting iron sheets flowing out of the closed explosion-proof pre-breaking system, and the self-discharging type iron remover is used for sorting iron sheets leaked to be detected by the pipeline type iron remover in the conveying process, so that the leakage detection of the iron sheets is effectively reduced.
Drawings
The invention will be described in further detail with reference to the accompanying drawings:
FIG. 1 is a schematic view of the layout structure of the primary breaking dust removal system for calcium carbide unloading of the present invention;
FIG. 2 is a schematic sectional view showing the structure of the closed explosion-proof pre-explosion system in example 1;
FIG. 3 is a plan view of the closed explosion-proof pre-explosion system in example 1;
FIG. 4 is a schematic sectional view showing the structure of the closed explosion-proof pre-explosion system in example 2;
fig. 5 is a schematic structural view of the self-discharging type iron remover and the calcium carbide conveying channel.
In the figure: the device comprises a pre-breaking workshop 1, calcium carbide blocks 11, iron sheets 12, a first loading approach slope 2, a second loading approach slope 20, a unloading approach slope 21, a blanking ramp 22, a blanking platform 23, a first gantry gate 3, a second gantry gate 30, a first closed anti-explosion pre-breaking system 4, a second closed anti-explosion pre-breaking system 40, a feeding cover 41, a dust removal interface 42, a pipeline de-ironing device 43, a nitrogen supplementing interface 44, a left toothed roller 45, a right toothed roller 46, a metal storage box 5, a first metal conveying channel 51, a second metal conveying channel 52, a first calcium carbide conveying channel 53, a belt 54, a traction roller 55, a permanent magnet 56, an iron sheet blanking inclined plate 57, a second calcium carbide conveying channel 58, a first rough breaking machine 6, a second rough breaking machine 60, a bag dust collector 7, a dust collection cover 71, a first valve 72, a second valve 73, a separator 8, a manual cyclone 81, a dust collection flue 82 and a ball press 9.
Detailed Description
Embodiment 1 as shown in fig. 1, the calcium carbide unloading primary breaking dust removing system of this embodiment includes a pre-breaking workshop 1 with a calcium carbide shed on the top, the pre-breaking workshop 1 is provided with 2 sets of unloading systems, 2 sets of closed explosion-proof pre-breaking systems, a metal sorting system, a first calcium carbide conveying channel 53 and a second calcium carbide conveying channel 58, the unloading systems are respectively a first unloading system and a second unloading system, the first unloading system and the second unloading system have the same structure, the closed explosion-proof pre-breaking systems are respectively a first closed explosion-proof pre-breaking system 4 and a second closed explosion-proof pre-breaking system 40, the first unloading system includes a first loading approach slope 2, a unloading approach 21, a unloading platform 23 and a loading ramp 22 which are sequentially arranged, a slope top is formed between the tail end of the first loading approach 2 and the front end of the unloading approach 21, the tail end of the lower car guide slope 21 is provided with a blanking platform 23 and a blanking ramp 22, the blanking platform 23 is higher than the tail end of the lower car guide slope 21, when the electric stone transport vehicle obliquely stays on the lower car guide slope 21, the tail end of the electric stone transport vehicle is arranged on the blanking platform 23, a first gantry brake 3 is arranged at the top of a slope of a first discharging system, the first gantry brake 3 is in transmission fit with a lifting cylinder and a translation cylinder, so that the first gantry brake 3 can be driven by the lifting cylinder to ascend and descend in the vertical direction, the translation cylinder drives the first gantry brake 3 to translate along the lower car guide slope 21, the first gantry brake 3 is clamped into the front end of calcium carbide loaded on the electric stone transport vehicle through lifting, and the calcium carbide is pushed into the blanking ramp 22 through the first gantry brake 3; the second unloading system comprises a second boarding approach slope 20, a second gantry gate 30, a lower unloading approach slope, a blanking platform and a blanking ramp which are arranged in sequence, the layout and the structure of the second unloading system are the same as those of the first unloading system, and detailed description is omitted.
As shown in fig. 2 and 3, the first closed explosion-proof pre-breaking system 4 includes a housing, a feeding port closed by a feeding cover 41 is arranged on the housing, a left toothed roller 45 and a right toothed roller 46 are arranged in the housing along the vertical direction, two ends of the left toothed roller 45 and the right toothed roller 46 are respectively arranged at the upper end and the lower end of the housing through a bearing and a bearing seat, and the left toothed roller 45 and the right toothed roller 46 are respectively driven by an explosion-proof speed-reducing motor, so that the left toothed roller 45 and the right toothed roller 46 can rotate in the housing, and calcium carbide to be initially broken when the feeding cover is opened enters the housing from a blanking ramp and is broken by the left toothed roller 45 and the right toothed roller 46; the bottom of casing sets up the discharge gate, and the carbide piece 11 and the iron sheet 12 after the breakage are discharged by the discharge gate.
The metal sorting system comprises 2 pipeline- type iron removers 43 and 4 groups of self-discharging iron removers, wherein the feed end of each pipeline-type iron remover 43 is communicated with the discharge hole of the first closed anti-explosion pre-breaking system 4 and the discharge hole of the second closed anti-explosion pre-breaking system 40 respectively, so that when the calcium carbide blocks 11 and the iron sheets 12 which are initially broken in the first closed anti-explosion pre-breaking system 4 and the second closed anti-explosion pre-breaking system 40 pass through the pipeline-type iron removers 43, the calcium carbide blocks 11 and the iron sheets 12 are sorted by the pipeline-type iron removers 43, calcium carbide sorted by the first closed anti-explosion pre-breaking system 4 is conveyed to the first coarse breaker 6 through a first calcium carbide conveying channel 51, the calcium carbide blocks 11 sorted by the second closed anti-explosion pre-breaking system 40 are conveyed to a second coarse breaker 60 through a second calcium carbide conveying channel 48, the first calcium carbide conveying channel 53 and the second calcium carbide conveying channel 58 are respectively provided with 2 groups of self-discharging iron removers, the iron sheet 12 for the pipeline type iron remover 43 to be checked is subjected to secondary iron removal; as shown in fig. 5, each dump-type iron remover comprises a traction roller 55 arranged at two ends, a belt 54 sleeved on the traction roller 55, a permanent magnet 56 and an iron sheet blanking sloping plate 57, wherein the traction roller 55 is in transmission fit with the belt 54, so that the belt 54 can be rotatably arranged above the corresponding first calcium carbide conveying channel 53 or second calcium carbide conveying channel 58, one side of the corresponding first calcium carbide conveying channel 53 or second calcium carbide conveying channel 58 is respectively provided with the iron sheet blanking sloping plate 57, the permanent magnet 56 is arranged in the belt 54, and the permanent magnet 56 at least extends to the upper part of the feeding end of the iron sheet blanking sloping plate 57, so that iron sheets 12 missed to be inspected by the pipeline-type iron remover 43 are adsorbed on the surface of the belt 54 of the dump-type iron remover and conveyed to the feeding end of the iron sheet blanking sloping plate 57 when passing through the dump-type iron remover, so as to enter the iron sheet blanking sloping plate 57, and realize secondary sorting of the iron sheets 12; the metal sorting system further comprises 2 first metal conveying channels 51, 4 second metal conveying channels 52 and metal storage boxes 5, wherein the respective detachable iron removers are respectively communicated with the metal storage boxes 5 through the second metal conveying channels 52, the pipeline type iron removers 43 are respectively communicated with the metal storage boxes 5 through the first metal conveying channels 51 and used for conveying the sorted iron sheets 12 into the metal storage boxes 5, and the metal conveying channels can be belt type conveying channels or chain plate type conveying channels.
In order to avoid calcium carbide dust overflow, the dust removal system of the calcium carbide unloading primary-breaking dust removal system comprises a bag-type dust remover 7, a dust removal cover 71 and a dust removal pipeline, the shells of the first closed anti-explosion pre-breaking system 4 and the second closed anti-explosion pre-breaking system 40 are respectively provided with a dust removal interface 42, the bag-type dust remover 7 is respectively communicated with the dust removal interface 42 of the first closed anti-explosion pre-breaking system 4 and the dust removal interface of the second closed anti-explosion pre-breaking system 40 through the dust removal pipeline, so that the calcium carbide-containing dust in the first closed anti-explosion pre-breaking system 4 and the second closed anti-explosion pre-breaking system 40 directly enters the bag-type dust remover 7, and is subjected to dust discharge filtration by the bag-; and the shells of the first closed anti-explosion pre-breaking system 4 and the second closed anti-explosion pre-breaking system 40 are respectively provided with a nitrogen supplementing interface 44 which is communicated with an external nitrogen supplementing device and is used for supplementing nitrogen into the first closed anti-explosion pre-breaking system 4 and the second closed anti-explosion pre-breaking system 40, so that oxygen-free dust collection is ensured, and gas phase conveying is realized.
The bag-type dust collector 7 adopts an explosion-proof pulse long bag, the ash removal mode is off-line ash removal, an explosion-proof dust collector, a high-pressure explosion-proof dust removal fan and an explosion-proof motor are arranged nearby, the explosion-proof grade is DIICT4 explosion-proof standard, and the protection grade is IP 65; dust pelletizing system sets up four layers of operation platform, one deck: star unloading valve, access door platform, the second floor: gas distribution adjusts maintenance platform, the three-layer: let out and explode mouthful maintenance platform, four layers: a pedestrian passage is widened and arranged for the top-layer operation platform; the dust removal system adopts full-automatic upper computer display and control, wherein the display adopts a 21-inch Samsung display, a console is arranged on the display, an audible and visual alarm is arranged on the display, and the field control cabinet requires that the explosion-proof grade of the double-layer double-door closed rainproof dustproof explosion-proof control cabinet is DIICT4 and the protection grade is IP 65.
The first calcium carbide conveying channel 51 and the second calcium carbide conveying channel 52 are respectively provided with an inverted-U-shaped dust hood 71, and a dust removal pipeline communicated with the bag-type dust remover 7 is arranged in the dust hood, so that the bag-type dust remover 7 can introduce dust-containing gas on the first calcium carbide conveying channel 51 and the second calcium carbide conveying channel 52 into the bag-type dust remover 7; to avoid the dump type iron remover, the dust excluding hood 71 is provided in stages.
In order to absorb a small amount of calcium carbide dust on the ground in the pre-breaking workshop, the ground dust collecting system of the calcium carbide unloading primary-breaking dust removing system comprises a plurality of manual dust collectors 81 and cyclone separators 8 which are arranged in the pre-breaking workshop, wherein each manual dust collector 81 is communicated with each cyclone separator 8 through a dust removing flue 82, so that the cyclone separators 8 can suck the dust in the pre-breaking workshop and separate dust from gas, and the calcium carbide dust in the pre-breaking workshop is recovered; the calcium carbide unloading primary breaking dust removal system also comprises a ball press machine 9, wherein a discharge bin of the cyclone separator 8 and a discharge bin of the bag-type dust remover 7 are communicated with the ball press machine 9 and are used for pressing calcium carbide dust recovered by the cyclone separator 8 and the bag-type dust remover 7 into round balls for recycling; the air outlet of the cyclone separator 8 is communicated with the air inlet of the bag-type dust collector 8 and is used for introducing the gas in the cyclone separator 8 into the bag-type dust collector 7, the air outlet of the cyclone separator 8 is provided with a first valve 72, and a second valve 71 is arranged between the air inlet of the bag-type dust collector 7 and a dust removal pipeline, so that the gas flow between the cyclone separator 8 and the dust removal pipeline can be controlled, and the use efficiency of the bag-type dust collector 7 is improved.
The shells of the first closed anti-explosion pre-breaking system 4 and the second closed anti-explosion pre-breaking system 40 are arranged in the ground of a pre-breaking workshop, and the feed inlet at the top end of each shell is arranged at the tail end of the blanking ramp 22, so that calcium carbide on the blanking ramp 22 can enter the shells under the action of gravity. Be equipped with acetylene concentration detector, temperature detector and alarm device in the casing, sack cleaner 7, carry out real-time supervision to acetylene concentration, ambient temperature, appear unusual timely warning, avoid the detonation.
Example 2
On the basis of embodiment 1, the carbide system of originally breaking dust removal of unloading of this embodiment exists following deformation, as shown in fig. 4, two fluted rollers level sets up in the casing, the both ends of two fluted rollers are respectively through the bearing, the bearing frame sets up the upper and lower both ends at the casing, and the fluted roller is driven by explosion-proof gear motor respectively, make the fluted roller can rotate in the casing, the bearing frame and the casing sliding fit at one of them fluted roller both ends, make the fluted roller portable setting, with the interval between the two fluted rollers of regulation, adjust the carbide size after the initial breakage.
Example 3
The working method of the calcium carbide unloading primary breaking dust removal system comprises the following steps:
A. the calcium carbide supported by the iron sheets is loaded on the carbide transport vehicle, the gantry gate is lifted, and the carbide transport vehicle enters the pre-breaking workshop and then enters along an upper vehicle approach slope and a lower vehicle approach slope in a reversing way, so that the tail end of the carbide transport vehicle is arranged on the blanking platform.
B. The gantry gate is moved to the front end of the whole calcium carbide loaded on the carbide transport vehicle in a translation mode, the gantry gate is lowered to be clamped at the front end of the whole calcium carbide loaded on the carbide transport vehicle, a feeding cover of the closed anti-explosion pre-breaking system is opened, the gantry gate is moved backwards to push the whole calcium carbide and iron sheets into the blanking ramp, the whole calcium carbide enters the closed anti-explosion pre-breaking system, the feeding cover is closed, the gear roller is rotated, and the whole calcium carbide and the iron sheets are initially broken; and starting the bag-type dust collector, and carrying out pneumatic conveying and recovery on the dust crushed by the closed explosion-proof pre-crushing system.
C. The whole calcium carbide and iron sheet are crushed and then enter a pipeline type iron remover, the pipeline type iron remover is used for separating iron sheets and calcium carbide blocks, the iron sheets enter a metal conveying channel and are conveyed to a metal storage box, and the calcium carbide blocks enter the calcium carbide conveying channel.
D. The iron sheets which are missed to be detected are sorted by a self-discharging iron remover on the calcium carbide conveying channel, the sorted iron sheets are conveyed to a metal storage box through the metal conveying channel, the calcium carbide is conveyed into a rough crusher through the calcium carbide conveying channel, and dust in a dust removing cover on the calcium carbide conveying channel is recovered by a bag-type dust remover.
E. And starting the manual dust remover and the cyclone separator, recovering dust on the ground in the primary breaking workshop by the manual dust remover, conveying the dust to the cyclone separator by air, and recycling the dust filtered by the cyclone separator after entering the ball press machine.
It should be understood that the above examples are only for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And that obvious changes and modifications may be made without departing from the spirit of the invention.
Claims (8)
1. A calcium carbide unloading primary-breaking dust removal system is characterized by comprising a pre-breaking workshop with a calcium carbide shed arranged at the top, an unloading system, a closed explosion-proof pre-breaking system, a metal sorting system, a dust removal system, a ground dust collection system and a calcium carbide conveying channel,
the discharging system comprises an upper car approach slope, a lower car approach slope, a discharging platform and a discharging ramp which are sequentially arranged, wherein the discharging platform is higher than the tail end of the lower car approach slope, the tail end of the discharging ramp is arranged on the upper side of a feeding hole of the discharging system, the discharging system also comprises a gantry brake capable of lifting and translating, when the carbide transport vehicle moves to the position that the tail end of the carbide transport vehicle is arranged on the discharging platform, the gantry brake is clamped at the front end of carbide loaded by the carbide transport vehicle, and the gantry brake is moved backwards to push the carbide into the discharging ramp;
the closed explosion-proof pre-breaking system comprises a shell, wherein the shell is provided with a feed inlet which is closed by a feed cover, at least one pair of toothed rollers are arranged in the shell, the bottom end of the shell is provided with a discharge outlet, and calcium carbide to be initially broken enters the shell from a blanking ramp when the feed cover is opened;
the metal sorting system comprises a pipeline type iron remover and a self-unloading type iron remover, wherein the feeding end of the pipeline type iron remover is communicated with the discharging port of the closed anti-explosion pre-breaking system, so that when the calcium carbide and the iron sheet which are initially broken in the closed anti-explosion pre-breaking system pass through the pipeline type iron remover, the calcium carbide and the iron sheet are separated by the pipeline type iron remover, the separated calcium carbide is conveyed through a calcium carbide conveying channel, and at least one group of self-unloading type iron removers are arranged above the calcium carbide conveying channel and used for carrying out secondary iron removal on the iron sheet which is missed to be detected by the pipeline type iron remover;
the dust removal system comprises a bag-type dust remover, a dust hood and a dust removal pipeline, wherein the bag-type dust remover is communicated with a shell of the closed explosion-proof pre-breaking system through the dust removal pipeline, and the dust hood is covered on the calcium carbide conveying channel so that the bag-type dust remover can introduce dust-containing gas in the shell and on the calcium carbide conveying channel into the bag-type dust remover;
the ground dust collection system comprises a plurality of manual dust collectors and cyclone separators, wherein the manual dust collectors and the cyclone separators are arranged in the pre-breaking workshop, and each manual dust collector is communicated with the cyclone separator through a dust collection flue, so that the cyclone separators can suck dust in the pre-breaking workshop and separate the dust from gas, and calcium carbide dust in the pre-breaking workshop is recovered.
2. The calcium carbide unloading primary breaking dust removal system of claim 1, wherein the self-discharging iron remover comprises a traction roller, a belt, a permanent magnet and an iron sheet blanking inclined plate, the traction roller is matched with the belt in a transmission manner, so that the belt can be rotatably arranged above the calcium carbide conveying channel, the iron sheet blanking inclined plate is arranged on one side of the calcium carbide conveying channel, the permanent magnet is arranged in the belt, the permanent magnet at least extends to the position above the feeding end of the iron sheet blanking inclined plate, so that the iron sheets leaked and detected by the pipeline type iron remover are adsorbed on the surface of the belt of the self-discharging iron remover and are conveyed to the feeding end of the iron sheet blanking inclined plate when passing through the self-discharging iron remover, and then enter the iron sheet blanking inclined plate.
3. The calcium carbide unloading primary breaking dust removal system of claim 2, wherein the metal sorting system further comprises a metal conveying channel and a metal storage box, and the self-discharging iron remover and the pipeline iron remover are respectively communicated with the metal storage box through the metal conveying channel.
4. The calcium carbide unloading primary breaking dust removal system as claimed in any one of claims 1 to 3, wherein the gear roller is vertically arranged or horizontally arranged, and the gear roller is in transmission fit with an explosion-proof speed reduction motor.
5. The calcium carbide unloading primary breaking dust removal system as claimed in claim 4, wherein at least one of the toothed rollers is movably arranged to adjust the distance between the two toothed rollers.
6. The calcium carbide unloading primary breaking dust removal system of claim 5, wherein a nitrogen gas supplement interface is arranged on the shell.
7. The calcium carbide unloading initial breakage dust removal system of claim 6, wherein the shell is placed in the ground, and the feed inlet at the top end of the shell is placed at the tail end of the blanking ramp, so that calcium carbide on the blanking ramp can enter the shell under the action of gravity.
8. The calcium carbide unloading primary breaking dust removal system of claim 7, further comprising a ball press machine, wherein the lower bin of the cyclone separator and the lower bin of the bag-type dust remover are communicated with the ball press machine, and are used for pressing calcium carbide dust recovered by the cyclone separator and the bag-type dust remover into a round ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920657824.4U CN210102996U (en) | 2019-05-08 | 2019-05-08 | Calcium carbide unloading primary breaking dust removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920657824.4U CN210102996U (en) | 2019-05-08 | 2019-05-08 | Calcium carbide unloading primary breaking dust removal system |
Publications (1)
| Publication Number | Publication Date |
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| CN210102996U true CN210102996U (en) | 2020-02-21 |
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| CN111908183A (en) * | 2019-05-08 | 2020-11-10 | 江苏中吴环境工程有限公司 | Calcium carbide unloading primary breaking dust removal system and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111908183A (en) * | 2019-05-08 | 2020-11-10 | 江苏中吴环境工程有限公司 | Calcium carbide unloading primary breaking dust removal system and working method thereof |
| CN111908183B (en) * | 2019-05-08 | 2024-07-23 | 江苏中吴环境工程有限公司 | Primary breaking dust removing system for calcium carbide unloading and working method of primary breaking dust removing system |
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Address after: 213000 Huichang Road, Xinbei District, Changzhou, Jiangsu Province, No. 8 Patentee after: Jiangsu Zhongwu Environmental Engineering Design and Research Group Co.,Ltd. Address before: 213000 Huichang Road, Xinbei District, Changzhou, Jiangsu Province, No. 8 Patentee before: JIANGSU ZHONGWU ENVIRONMENTAL ENGINEERING Co.,Ltd. |