CN109054896A - The method that a kind of pair of calcium carbide carries out recycling and reusing - Google Patents
The method that a kind of pair of calcium carbide carries out recycling and reusing Download PDFInfo
- Publication number
- CN109054896A CN109054896A CN201810972880.7A CN201810972880A CN109054896A CN 109054896 A CN109054896 A CN 109054896A CN 201810972880 A CN201810972880 A CN 201810972880A CN 109054896 A CN109054896 A CN 109054896A
- Authority
- CN
- China
- Prior art keywords
- calcium carbide
- dust
- carbide dust
- relay
- warehouse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000005997 Calcium carbide Substances 0.000 title claims abstract description 235
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 title claims abstract description 234
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000004064 recycling Methods 0.000 title claims abstract description 23
- 239000000428 dust Substances 0.000 claims abstract description 190
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 89
- 229910052757 nitrogen Inorganic materials 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 18
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 6
- 150000001345 alkine derivatives Chemical class 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229920000915 polyvinyl chloride Polymers 0.000 abstract description 5
- 239000004800 polyvinyl chloride Substances 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000012141 concentrate Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000003317 industrial substance Substances 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10H—PRODUCTION OF ACETYLENE BY WET METHODS
- C10H21/00—Details of acetylene generators; Accessory equipment for, or features of, the wet production of acetylene
- C10H21/10—Carbide compositions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10H—PRODUCTION OF ACETYLENE BY WET METHODS
- C10H21/00—Details of acetylene generators; Accessory equipment for, or features of, the wet production of acetylene
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention discloses the method that a kind of pair of calcium carbide carries out recycling and reusing, and the described method comprises the following steps: dust removal step S1: being crushed calcium carbide, obtains calcium carbide dust；The calcium carbide dust is collected by the first bag filter；Supplying step S2: the calcium carbide dust is transported to calcium carbide dust warehouse；Procedure of processing S3: the calcium carbide dust in the calcium carbide dust warehouse is conveyed into ball press, obtains calcium carbide grain block；The calcium carbide dust not being capable of processing in the ball press is transmitted back to the calcium carbide dust warehouse；Reaction step S4: the calcium carbide grain block is conveyed into carbide generator, generates acetylene gas.The present invention concentrates hermetic reclaim and recycling by carrying out to calcium carbide dust, realize that calcium carbide dust all recycles, and as the raw materials for production of polyvinyl chloride after working process, solve the problems, such as the security risk and wastage of material of the calcium carbide dust generated in calcium carbide shattering process.
Description
Technical field
The present invention relates to the technical fields of calcium carbide dust processing, and in particular to a kind of pair of calcium carbide carries out the side of recycling and reusing
Method.
Background technique
Main industrial chemicals of the calcium carbide as acetylene method production polyvinyl chloride.During acetylene occurs for calcium carbide, because of acetylene
Generator requires calcium carbide partial size, and dry acetylene generation process generally requires calcium carbide partial size 3mm (1mm or less is few as far as possible), wet
Method acetylene technique generally requires calcium carbide partial size in 30mm-50mm, and the calcium carbide produced is generally in 1000mm or so, therefore calcium carbide is broken
Broken is primary process, and calcium carbide fine particle and calcium carbide dust are inevitably generated in the shattering process of calcium carbide.On the one hand
Moisture in calcium carbide dust and air, which reacts, releases the acetylene gas of explosive there are biggish security risk, on the other hand
There are certain material composition in calcium carbide dust, not only causes calcium carbide to be lost in production process but also increase PVC production cost.Cause
This explores the recycling of calcium carbide dust, realizes raw materials recovery and excludes security risk, and reduces PVC production cost and have become row
The current important topic of industry.
Summary of the invention
The purpose of the present invention is to provide the methods that a kind of pair of calcium carbide carries out recycling and reusing, for solving existing calcium carbide powder
Dirt can not achieve the comprehensive utilization of safety economy, so as to cause there are major safety risks and the wasting of resources.
To achieve the goals above, the invention provides the following technical scheme: a kind of pair of calcium carbide carries out the side of recycling and reusing
Method the described method comprises the following steps:
Dust removal step S1: being crushed calcium carbide, obtains calcium carbide dust；By the first bag filter 2 to the calcium carbide
Dust is collected；
Supplying step S2: the calcium carbide dust is transported to calcium carbide dust warehouse 6；
Procedure of processing S3: the calcium carbide dust in the calcium carbide dust warehouse 6 is conveyed into ball press 13, calcium carbide is obtained
Grain block；
The calcium carbide dust not being capable of processing in the ball press 13 is transmitted back to the calcium carbide dust warehouse 6；
Reaction step S4: the calcium carbide grain block is conveyed into carbide generator 20, generates acetylene gas.
Preferably, in the dust removal step S1,
Calcium carbide is crushed to obtain calcium carbide dust by crusher 1；
The calcium carbide dust is collected by the first bag filter 2；
The calcium carbide dust of 2 bottom of the first bag filter is collected in by the conveying of the first auger conveyor 3；
By engineering piping 4 conveying from first auger conveyor 3 convey come the calcium carbide dust.
Preferably, on calcium carbide dust conveying direction, by the way that nitrogen tube is arranged in the end of first auger conveyor 3
Interface, the engineering described in nitrogen force feed are piped the calcium carbide dust in 4.
Preferably, in the supplying step S2,
The calcium carbide dust of 4 conveying of engineering piping is collected into sucking hydraulic tank car 5, realizes closed conveying；
Calcium carbide dust is pooled to calcium carbide dust warehouse 6 by the sucking hydraulic tank car 5, realizes sealed storage；
By being set to the nitrogen gas tank 7 of 6 bottom of calcium carbide dust warehouse, and under barotropic condition convey calcium carbide dust and
Completely cut off air using nitrogen；
By the way that second bag filter 8 at 6 top of calcium carbide dust warehouse is arranged in, the calcium carbide dust warehouse is removed
Secondary calcium carbide dust dust in 6, and nitrogen is drained into atmosphere.
Preferably, in the supplying step S2,
By the radar levelmeter 9 being arranged on the calcium carbide dust warehouse 6, monitor in the calcium carbide dust warehouse 6
Pressure or level；
By the nitrogen stop valve 10 being arranged on the nitrogen gas tank 7, the output of nitrogen in the nitrogen gas tank 7 is controlled；
The signal that the radar levelmeter 9 is received by the first controller 11 controls the closure of the nitrogen stop valve 10.
Preferably, in the procedure of processing S3,
The calcium carbide dust in the calcium carbide dust warehouse 6 is sent into ball press 13 by the second auger conveyor 12, is realized
Closed feeding；
Calcium carbide grain block is exported after processing by the ball press 13 to calcium carbide dust；
Conveyer 14 is returned by dust, and the calcium carbide dust not being capable of processing in the ball press 13 is transmitted back to the calcium carbide
Dust warehouse 6.
Preferably, in the procedure of processing S3,
By the first relay 15 being arranged on the ball press 13, the operation of the ball press 13 is monitored；
By the second relay 16 being arranged on second auger conveyor 12, second auger conveyor is monitored
12 operation；
By the ash discharge stop valve 17 being arranged on the calcium carbide dust warehouse 6, control in the calcium carbide dust warehouse 6
The output of calcium carbide dust；
The signal for the radar levelmeter 9 being arranged on the calcium carbide dust warehouse 6 is received by second controller 18,
Control the closure of first relay 15 and the second relay 16；
The signal of first relay 15 is received by the second controller 18, controls 16 He of the second relay
The closure of ash discharge stop valve 17；
The signal of second relay 16 is received by the second controller 18, controls 15 He of the first relay
The closure of ash discharge stop valve 17.
Preferably, in the reaction step S4, calcium carbide grain block is delivered to by carbide generator 20 by belt conveyor 19,
Calcium carbide grain block generates acetylene gas after reacting with water.
Preferably, in the reaction step S4,
By the third relay 21 being arranged on the belt conveyor 19, the fortune of the belt conveyor 19 is monitored
Row；
By the failure alarm signal device 22 being arranged on the carbide generator 20, the carbide generator 20 is monitored
Operation；
The signal for first relay 15 being arranged on the ball press 13, control are received by third controller 23
The closure of the third relay 21 sends signal to the failure alarm signal device 22；
The signal of the third relay 21 is received by third controller 23, controls closing for first relay 15
It closes, sends signal to the failure alarm signal device 22；
The signal of the fault alarm 22 is received by third controller 23, controls first relay 15 and third
The closure of relay 21.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.In the accompanying drawings:
Fig. 1 shows the flow chart that a kind of pair of calcium carbide of the invention carries out the method for recycling and reusing；
Fig. 2 shows each step exploded views of the invention that recycling and reusing method is carried out to calcium carbide.
Detailed description of the invention
1- crusher, the first bag filter of 2-,
The first auger conveyor of 3-, the piping of 4- engineering,
5- sucking hydraulic tank car, 6- calcium carbide dust warehouse,
7- nitrogen gas tank, the second bag filter of 8-,
9- radar levelmeter, 10- nitrogen stop valve,
The first controller of 11-, the second auger conveyor of 12-,
13- ball press, 14- dust return to conveyer,
The first relay of 15-, the second relay of 16-,
17- ash discharge stop valve, 18- second controller,
19- belt conveyor, 20- carbide generator,
21- third relay, 22- failure alarm signal device,
23- third controller.
Specific embodiment
The present invention provides many applicable creative concepts, which be can be reflected in a large number of on specific
Hereinafter.The specific embodiment described in following embodiments of the present invention is only used as a specific embodiment of the invention
Exemplary illustration, and be not meant to limit the scope of the invention.
The invention will be further described with specific embodiment with reference to the accompanying drawing.
Fig. 1 is the flow chart for the method that a kind of pair of calcium carbide according to the present invention carries out recycling and reusing.
As shown in Figure 1, it is described to calcium carbide carry out recycling and reusing method the following steps are included:
Dust removal step S1:
Calcium carbide is crushed, calcium carbide dust is obtained；
The calcium carbide dust is collected by the first bag filter 2；
Supplying step S2:
The calcium carbide dust is transported to calcium carbide dust warehouse 6；
Procedure of processing S3:
The calcium carbide dust in the calcium carbide dust warehouse 6 is conveyed into ball press 13, calcium carbide grain block is obtained；
The calcium carbide dust not being capable of processing in the ball press 13 is transmitted back to the calcium carbide dust warehouse 6；
Reaction step S4:
The calcium carbide grain block is conveyed into carbide generator 20, generates acetylene gas.
Fig. 2 is each step exploded view of the invention that recycling and reusing method is carried out to calcium carbide.
As shown in Fig. 2, the decomposition step for the method that a kind of pair of calcium carbide carries out recycling and reusing is as follows:
Dust removal step S1:
Calcium carbide is crushed to obtain calcium carbide dust by crusher 1；
The calcium carbide dust is collected by the first bag filter 2；
The calcium carbide dust of 2 bottom of the first bag filter is collected in by the conveying of the first auger conveyor 3；
By engineering piping 4 conveying from first auger conveyor 3 convey come the calcium carbide dust；
On calcium carbide dust conveying direction, by the way that nitrogen interface tube is arranged in the end of first auger conveyor 3, use
The calcium carbide dust in the piping of engineering described in nitrogen force feed 4.
In the present embodiment, calcium carbide is the main industrial chemicals of acetylene method production polyvinyl chloride, and acetylene occurs in calcium carbide
In the process, carbide generator 20 requires calcium carbide partial size, and it is 30mm-50mm that wet process acetylene technique, which generally requires calcium carbide partial size,
And the calcium carbide produced is generally in 1000mm or so, therefore it is primary process that calcium carbide is broken, it can not be unavoidably in calcium carbide shattering process
Meeting generate calcium carbide fine particle and calcium carbide dust.
Calcium carbide generates calcium carbide dust after crusher 1 is broken, and calcium carbide dust is received by the first bag filter 2
Collection, accomplishes to recycle the calcium carbide dust of generation, conducive to the collective conveyance in later period.
Crusher 1 is that broken device is carried out to calcium carbide, and broken material operation is completed by kinetic energy impact.It is mainly used for
What calcium carbide was crushed is impact breaker, and impact breaker is the rebound effect of the high speed impact and counterpunch board using bar,
The machinery for keeping material broken by repeated stock.Bar is packed on high-speed rotating rotor, and along crusher chamber by difference
Angle arranges several pieces of counterpunch boards.Since bar is easily worn, it is above restricted in the application that hard material is crushed, and is commonly used to
Hard brittle material below in broken.
Bag filter is a kind of dry type dust filtration device, is suitable for trapping tiny, dry, non-fiber dust.Filter bag is adopted
With the filter cloth of weaving or nonwoven felt at being filtered using the filtration of fabric to dusty gas, work as dust-laden
After gas enters bag filter, particle is big, heavy dust falls into ash bucket, contain since the effect of gravity settles down
For the gas of relatively fine dust when passing through filtrate, dust is purified gas by detention.
First bag filter, 2 bottom is directly connected to the first auger conveyor 3, and the first auger conveyor 3 is usually used in water
Flat conveying or low-angle are delivered up calcium carbide dust.
On calcium carbide dust conveying direction, the one end connecting with 2 bottom of the first bag filter is the first auger conveyor 3
Front end, the other end be the first auger conveyor 3 end.
In the end of the first auger conveyor 3 connection engineering piping 4, the calcium carbide dust conveyed by the first auger conveyor 3
Into engineering piping 4.
In the end of the first auger conveyor 3, nitrogen interface tube, the direction that the nitrogen being blown into is conveyed along calcium carbide powder are set
Flowing enters the calcium carbide dust of engineering piping 4 for force feed, calcium carbide dust is sent to higher position.
Auger conveyor be it is a kind of drive rotary shaft spiral to turn round using motor, the helical blade welded in rotary shaft is by object
Material is elapsed the machinery to realize conveying purpose.Auger conveyor can be conveyed horizontally or diagonally, good airproof performance, convenient for closing fortune
It is defeated.Calcium carbide dust suitable for inviscid dry material and small particles material by having axis auger conveyor to be conveyed.
Engineering piping 4 is tubular facilities applied by industrial enterprise, for conveying dust, gas, liquid or with solid
The fluid of grain.Dust or fluid convey in engineering piping after being pressurized.
Supplying step S2:
The calcium carbide dust of 4 conveying of engineering piping is collected into sucking hydraulic tank car 5, realizes closed conveying；
Calcium carbide dust is pooled to calcium carbide dust warehouse 6 by the sucking hydraulic tank car 5, realizes sealed storage；
By being set to the nitrogen gas tank 7 of 6 bottom of calcium carbide dust warehouse, and under barotropic condition convey calcium carbide dust and
Completely cut off air using nitrogen；
By the way that second bag filter 8 at 6 top of calcium carbide dust warehouse is arranged in, the calcium carbide dust warehouse is removed
Secondary calcium carbide dust dust in 6, and nitrogen is drained into atmosphere；
By the radar levelmeter 9 being arranged on the calcium carbide dust warehouse 6, monitor in the calcium carbide dust warehouse 6
Pressure or level；
By the nitrogen stop valve 10 being arranged on the nitrogen gas tank 7, the output of nitrogen in the nitrogen gas tank 7 is controlled；
The signal that the radar levelmeter 9 is received by the first controller 11 controls the closure of the nitrogen stop valve 10.
In the present embodiment, sucking hydraulic tank car is entered by the force feed of nitrogen by the calcium carbide dust of 4 conveying of engineering piping
5, sucking hydraulic tank car 5 is dedicated powder collecting cart for collecting calcium carbide dust, and vehicle itself carries dedusting function, Ke Yishi
The closed conveying of existing calcium carbide dust.
Calcium carbide dust is pooled to calcium carbide dust warehouse 6 by sucking hydraulic tank car 5, is set in 6 bottom of calcium carbide dust warehouse
Nitrogen gas tank 7 is set, the calcium carbide dust in sucking hydraulic tank car 5 is pressed into calcium carbide dust warehouse 6 with nitrogen, and completely cut off sky using nitrogen
Gas prevents the calcium carbide dust moisture absorption from reacting, and realizes sealed storage.
Second bag filter 8 is set at the top of calcium carbide dust warehouse 6, recycles the secondary calcium carbide in calcium carbide dust warehouse 6
Dust dust, calcium carbide dust return in calcium carbide dust warehouse 6, avoid the secondary dust of dust that security risk and the wasting of resources occurs,
And nitrogen is discharged into atmosphere, prevent calcium carbide dust warehouse 6 from building the pressure.
Sucking hydraulic tank car 5 is special equipped with vacuum pump, air compressor machine, dust removal and filtration system, vacuum attraction Load System etc.
With device, the negative-pressure pneumatic of comprehensive material conveys the principle with positive pneumatic transport, and two kinds of pneumatic conveyings are organically combined
Together, using air as the delivery vehicles of material, vacuum automatic material-absorbing, close is carried out to dry powder grain material in closed space
Close the pot type special operation automobile of transport, automatic discharge.
When sucking hydraulic tank car 5 reaches engineering piping, start vehicle vacuum suction system, material is sucked into carrying tank
It is interior；When vehicle reaches calcium carbide dust warehouse, starts vehicle pressure system, the intracorporal material pressure of tank will be carried to calcium carbide dust
In warehouse.The processes such as entire suction, transport, discharge carry out under conditions of closed, and dust does not leak and flies upward.
Calcium carbide dust warehouse 6 is a kind of tank body of enclosed storage calcium carbide dust, and material position system is housed on tank body, can
Show position and the quantity of material.Nitrogen gas tank 7 be for transporting, using the storage facilities of nitrogen, it is high pressure resistant, generally can store
High-pressure liquid nitrogen.It is that a kind of odorless nontoxic gas of colorless and odorless is cooled to -195.8 at normal atmospheric pressure under nitrogen room temperature
DEG C when, become do not have coloured liquid.The chemical property of nitrogen is very stable, is difficult to react with other substances under room temperature.
It in the present embodiment, can be by radar levelmeter 9 to when building the pressure occurs in calcium carbide dust warehouse 6 or high level
One controller 11 sends signal, and the first controller 11 directly closes nitrogen stop valve 10, the nitrogen in nitrogen gas tank 7 after receiving signal
Gas stops discharge, and the calcium carbide dust in sucking hydraulic tank car 5 stops conveying into calcium carbide dust warehouse 6.
Radar levelmeter 9 is the measuring instrumentss based on time stroke principle, and radar wave is run with the light velocity, and runing time can be with
Level signal is converted by electronic component.Probe issues high-frequency impulse and propagates along hawser, when pulse encounters surface of material
When reflect and received by the receiver in instrument, and convert level signal for distance signal.Radar levelmeter 9 uses microwave
The measurement method of pulse is mountable in various metals, nonmetallic vessel or pipeline, to the level of liquid, slurry and particulate material
Contactless continuous measurement is carried out, it is big suitable for dust, temperature, pressure change, there is occasion existing for inert gas and steam.
Controller, which refers to, to be changed the wiring of main circuit or control circuit according to predetermined order and changes resistance value in circuit
Starting, speed regulation, braking and reversely main for controlling motor enable device.By program counter, command register, Instruction decoding
Device, clock generator and operation controller composition, it is the policy-making body of publication order, can complete to coordinate and command entire system
The operation of system.
Nitrogen stop valve 10 is made of multiple springs pneumatic diaphragn actuating mechanism or floating piston executing agency with regulating valve,
The signal of controller is received, the cutting of nitrogen in nitrogen gas tank is controlled.The gas source of nitrogen stop valve is filtered compressed nitrogen, stream
It should be free from admixture and agranular liquids and gases through the intracorporal medium of valve.
Procedure of processing S3:
The calcium carbide dust in the calcium carbide dust warehouse 6 is sent into ball press 13 by the second auger conveyor 12, is realized
Closed feeding；
Calcium carbide grain block is exported after processing by the ball press 13 to calcium carbide dust；
Conveyer 14 is returned by dust, and the calcium carbide dust not being capable of processing in the ball press 13 is transmitted back to the calcium carbide
Dust warehouse 6.
By the first relay 15 being arranged on the ball press 13, the operation of the ball press 13 is monitored；
By the second relay 16 being arranged on second auger conveyor 12, second auger conveyor is monitored
12 operation；
By the ash discharge stop valve 17 being arranged on the calcium carbide dust warehouse 6, control in the calcium carbide dust warehouse 6
The output of calcium carbide dust；
The signal for the radar levelmeter 9 being arranged on the calcium carbide dust warehouse 6 is received by second controller 18,
Control the closure of first relay 15 and the second relay 16；
The signal of first relay 15 is received by the second controller 18, controls 16 He of the second relay
The closure of ash discharge stop valve 17；
The signal of second relay 16 is received by the second controller 18, controls 15 He of the first relay
The closure of ash discharge stop valve 17.
In the present embodiment, calcium carbide dust is sent into pressure ball by the second auger conveyor 12 of 6 bottom of calcium carbide dust warehouse
The feed inlet of machine 13 realizes closed feeding.
After calcium carbide dust is by the pressurization of the pressure roller of ball press 13, it is made and meets the partial size of wet process acetylene technique requirement and be
The calcium carbide grain block of 30mm-50mm.
13 discharge port of ball press setting size be 20mm × 20mm sieve, through sieve sieve take after, it is unqualified or not at
The calcium carbide dust of type returns to conveyer 14 by dust and is transmitted back to calcium carbide dust warehouse 6.
It is passed through nitrogen isolation air in the feed inlet of ball press 13, calcium carbide dust is avoided to generate electrostatic hair in pressure process
Raw sudden strain of a muscle is quick-fried.
Ball press 13 is mainly used for compacting and is difficult to molding granular material, its main feature is that briquetting pressure is big, host revolution can
It adjusts, be furnished with spiral feeder.Ball press 13 also known as to roll-in ball machine, can suppress balling-up for calcium carbide dust.The material of compacting
Screened machine sieve takes, and is qualified spherolite on sieve, and sieve is lower for unqualified or unformed material, can return to warehouse mixed with virgin material again into
Row compacting.
Dust returns to conveyer 14 mainly for delivery of powdery, granular material, and structure is simple, good airproof performance, conveying direction
Can be reverse, it can also be conveyed simultaneously to opposite both direction.Dust return conveyer 14 should not convey it is perishable, tough,
Material easily agglomerate and bulk.
In the present embodiment, it when low level occurs in calcium carbide dust warehouse 6, can be controlled by radar levelmeter 9 to second
Device 18 sends signal, after second controller 18 receives signal, closes ball press 13 by the first relay 15 of control, passes through control
It makes the second relay 16 and closes the second auger conveyor 12.
When ball press 13 breaks down, signal, the second control can be sent to second controller 18 by the first relay 15
After device 18 processed receives signal, stop output calcium carbide powder by controlling the ash discharge stop valve 17 being arranged on calcium carbide dust warehouse 6
Dirt closes the second auger conveyor 12 by the second relay 16 of control.
When the second auger conveyor 12 breaks down, it can be sent and be believed to second controller 18 by the second relay 16
Number, after second controller 18 receives signal, output calcium carbide dust is stopped by control ash discharge stop valve 17, passes through control first
Relay 15 closes ball press 13.
Relay is a kind of electric control device, is made in output circuit when the variation of input quantity reaches prescribed requirement
A kind of electric appliance of scheduled Spline smoothing occurs for controlled volume.It has control system and by the interactive relationship between control system.
It is usually applied in automation control circuit, is a kind of automatic switch for going control high current to operate with low current, therefore in electricity
The effects of automatic adjustment, safeguard protection, conversion circuit are played in road.
Ash discharge stop valve 17 is one kind of executing agency in automated system, by multiple springs pneumatic diaphragn actuating mechanism or is floated
Dynamic formula piston actuator and regulating valve form, and receive the signal of controller, control the cutting of dust in dust warehouse.
Reaction step S4:
Calcium carbide grain block is delivered to carbide generator 20 by belt conveyor 19, calcium carbide grain block generates second after reacting with water
Alkynes gas.
By the third relay 21 being arranged on the belt conveyor 19, the fortune of the belt conveyor 19 is monitored
Row；
By the failure alarm signal device 22 being arranged on the carbide generator 20, the carbide generator 20 is monitored
Operation；
The signal for first relay 15 being arranged on the ball press 13, control are received by third controller 23
The closure of the third relay 21 sends signal to the failure alarm signal device 22；
The signal of the third relay 21 is received by third controller 23, controls closing for first relay 15
It closes, sends signal to the failure alarm signal device 22；
The signal of the fault alarm 22 is received by third controller 23, controls first relay 15 and third
The closure of relay 21.
In the present embodiment, by belt conveyor 19 that the calcium carbide grain block that the partial size of extrusion forming is 30mm-50mm is defeated
It send to carbide generator 20, calcium carbide grain block generates acetylene gas after reacting with water.
In the present embodiment, it when ball press 13 breaks down, can be sent out by the first relay 15 to third controller 23
The number of delivering letters after third controller 23 receives signal, closes belt conveyor 19 by control third relay 21, and to failure
Flag alarm 22 sends fault-signal.
When belt conveyor 19 breaks down, signal can be sent to third controller 23 by third relay 21, the
After three controllers 23 receive signal, ball press 13 is closed by the first relay 15 of control, and to failure alarm signal device 22
Send fault-signal.
When carbide generator 20 breaks down, it can be sent and be believed to third controller 23 by failure alarm signal device 22
Number, after third controller 23 receives signal, ball press 13 is closed by the first relay 15 of control, by controlling third relay
Device 23 closes belt conveyor 19.
Belt conveyor 19 is a kind of machinery of friction-driven transported material in a continuous manner.Mainly by rack, conveyer belt,
The composition such as carrying roller, roller, tensioning apparatus, transmission device.Conveyer belt is moved according to frictional drive principle, is suitable for conveying accumulation
Density is easy to draw the powdery taken, granular, small block-like low mill chiseling property material and bagged material less than 1.67/ ton/cubic metre.
Carbide generator 20 is that water and calcium carbide can be made to carry out the device that chemical reaction generates certain pressure acetylene gas.Calcium carbide
Generator can be divided into low pressure and two kinds of middle pressure type by the difference of produced acetylene pressure, different in such a way that calcium carbide is contacted with water
It is divided into floatable, drainage type, water and enters calcium carbide formula and association type etc..
Failure alarm signal device 22 be it is a kind of for prevent or prevent certain event occur caused by serious consequence, with sound,
A kind of signalling alarm equipment of the forms such as light, air pressure sending warning signal.Failure alarm signal device, is mainly used in the system failure
With induction detection etc. fields.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and this
Field technical staff can be designed alternative embodiment without departing from the scope of the appended claims.In claim
In, any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" is not excluded for depositing
In element or step not listed in the claims.Word "a" or "an" located in front of the element do not exclude the presence of it is multiple this
The element of sample.The use of word first, second, and third does not indicate any sequence.These words can be construed to title.
Claims (9)
1. the method that a kind of pair of calcium carbide carries out recycling and reusing, characterized in that include the following steps:
Dust removal step (S1):
Calcium carbide is crushed, calcium carbide dust is obtained；
The calcium carbide dust is collected by the first bag filter (2)；
Supplying step (S2):
The calcium carbide dust is transported to calcium carbide dust warehouse (6)；
Procedure of processing (S3):
The calcium carbide dust in the calcium carbide dust warehouse (6) is conveyed into ball press (13), calcium carbide grain block is obtained；
The calcium carbide dust not being capable of processing in the ball press (13) is transmitted back to the calcium carbide dust warehouse (6)；
Reaction step (S4):
The calcium carbide grain block is conveyed into carbide generator (20), acetylene gas is generated.
2. the method according to claim 1 for carrying out recycling and reusing to calcium carbide, characterized in that in the dust removal step
(S1) in,
Calcium carbide is crushed to obtain calcium carbide dust by crusher (1)；
The calcium carbide dust is collected by the first bag filter (2)；
The calcium carbide dust of the first bag filter (2) bottom is collected in by the first auger conveyor (3) conveying；
By engineering piping (4) conveying from first auger conveyor (3) convey come the calcium carbide dust.
3. the method according to claim 2 for carrying out recycling and reusing to calcium carbide, characterized in that in calcium carbide dust conveying side
Upwards, by the way that nitrogen interface tube, the piping of the engineering described in nitrogen force feed is arranged in the end of first auger conveyor (3)
(4) calcium carbide dust in.
4. the method according to claim 2 for carrying out recycling and reusing to calcium carbide, characterized in that in the supplying step
(S2) in,
The calcium carbide dust of engineering piping (4) conveying is collected into sucking hydraulic tank car (5), realizes closed conveying；
Calcium carbide dust is pooled to calcium carbide dust warehouse (6) by the sucking hydraulic tank car (5), realizes sealed storage；
By being set to the nitrogen gas tank (7) of calcium carbide dust warehouse (6) bottom, and under barotropic condition convey calcium carbide dust and
Completely cut off air using nitrogen；
By the second bag filter (8) being arranged at the top of the calcium carbide dust warehouse (6), the calcium carbide dust warehouse is removed
(6) the secondary calcium carbide dust dust in, and nitrogen is drained into atmosphere.
5. the method according to claim 4 for carrying out recycling and reusing to calcium carbide, characterized in that the supplying step (S2)
In,
By the radar levelmeter (9) being arranged on the calcium carbide dust warehouse (6), monitor in the calcium carbide dust warehouse (6)
Pressure or level；
By the nitrogen stop valve (10) being arranged on the nitrogen gas tank (7), the output of nitrogen in the nitrogen gas tank (7) is controlled；
The signal that the radar levelmeter (9) is received by the first controller (11), controls closing for nitrogen stop valve (10)
It closes.
6. the method according to claim 1 for carrying out recycling and reusing to calcium carbide, characterized in that in the procedure of processing
(S3) in,
The calcium carbide dust in the calcium carbide dust warehouse (6) is sent into ball press (13) by the second auger conveyor (12), it is real
Existing closed feeding；
Calcium carbide grain block is exported after processing by the ball press (13) to calcium carbide dust；
Conveyer (14) are returned by dust, and the calcium carbide dust not being capable of processing in the ball press (13) is transmitted back to the calcium carbide
Dust warehouse (6).
7. the method according to claim 6 for carrying out recycling and reusing to calcium carbide, characterized in that the procedure of processing (S3)
In,
By the first relay (15) being arranged on the ball press (13), the operation of the ball press (13) is monitored；
By the second relay (16) being arranged on second auger conveyor (12), second auger conveyor is monitored
(12) operation；
By the ash discharge stop valve (17) being arranged on the calcium carbide dust warehouse (6), control in the calcium carbide dust warehouse (6)
Calcium carbide dust output；
The letter for the radar levelmeter (9) being arranged on the calcium carbide dust warehouse (6) is received by second controller (18)
Number, control the closure of first relay (15) and the second relay (16)；
The signal of first relay (15) is received by the second controller (18), controls second relay (16)
With the closure of ash discharge stop valve (17)；
The signal of second relay (16) is received by the second controller (18), controls first relay (15)
With the closure of ash discharge stop valve (17).
8. the method according to claim 1 for carrying out recycling and reusing to calcium carbide, characterized in that the reaction step (S4)
In, calcium carbide grain block is delivered to carbide generator (20) by belt conveyor (19), calcium carbide grain block generates second after reacting with water
Alkynes gas.
9. the method according to claim 8 for carrying out recycling and reusing to calcium carbide, characterized in that the reaction step (S4)
In,
By the third relay (21) being arranged on the belt conveyor (19), the fortune of the belt conveyor (19) is monitored
Row；
By the failure alarm signal device (22) being arranged on the carbide generator (20), the carbide generator (20) are monitored
Operation；
The signal for first relay (15) being arranged on the ball press (13), control are received by third controller (23)
The closure for making the third relay (21) sends signal to the failure alarm signal device (22)；
The signal of the third relay (21) is received by third controller (23), controls closing for the first relay (15)
It closes, sends signal to the failure alarm signal device (22)；
The signal of the fault alarm (22) is received by third controller (23), controls first relay (15) and the
The closure of three relays (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972880.7A CN109054896B (en) | 2018-08-24 | 2018-08-24 | Method for recycling calcium carbide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972880.7A CN109054896B (en) | 2018-08-24 | 2018-08-24 | Method for recycling calcium carbide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109054896A true CN109054896A (en) | 2018-12-21 |
| CN109054896B CN109054896B (en) | 2021-03-09 |
Family
ID=64756093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810972880.7A Active CN109054896B (en) | 2018-08-24 | 2018-08-24 | Method for recycling calcium carbide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109054896B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871115A (en) * | 2020-07-16 | 2020-11-03 | 甘肃银光聚银化工有限公司 | Process for conveying and digesting calcium carbide dust |
| CN111889205A (en) * | 2020-08-07 | 2020-11-06 | 北京瑞思达化工设备有限公司 | Calcium carbide broken dust recycling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54128476A (en) * | 1978-03-29 | 1979-10-05 | Ebara Infilco Co Ltd | Treating method for waste |
| CN201534824U (en) * | 2009-07-29 | 2010-07-28 | 江苏通用机械设备有限公司 | Calcium carbide transporting and grading device |
| CN103467235A (en) * | 2013-09-18 | 2013-12-25 | 江苏通用机械设备有限公司 | Technological process for producing acetylene by using novel dry method |
| CN203357934U (en) * | 2013-06-19 | 2013-12-25 | 亿利资源集团有限公司 | Calcium carbide powder forming device |
| CN104139550A (en) * | 2014-06-13 | 2014-11-12 | 亿利资源集团有限公司 | Calcium carbide powder recovering method and equipment |
| CN107216896A (en) * | 2017-07-03 | 2017-09-29 | 北京华福工程有限公司 | The system and method for preparing light aromatics by fine coal with heavy arene reuse function |
-
2018
- 2018-08-24 CN CN201810972880.7A patent/CN109054896B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54128476A (en) * | 1978-03-29 | 1979-10-05 | Ebara Infilco Co Ltd | Treating method for waste |
| CN201534824U (en) * | 2009-07-29 | 2010-07-28 | 江苏通用机械设备有限公司 | Calcium carbide transporting and grading device |
| CN203357934U (en) * | 2013-06-19 | 2013-12-25 | 亿利资源集团有限公司 | Calcium carbide powder forming device |
| CN103467235A (en) * | 2013-09-18 | 2013-12-25 | 江苏通用机械设备有限公司 | Technological process for producing acetylene by using novel dry method |
| CN104139550A (en) * | 2014-06-13 | 2014-11-12 | 亿利资源集团有限公司 | Calcium carbide powder recovering method and equipment |
| CN107216896A (en) * | 2017-07-03 | 2017-09-29 | 北京华福工程有限公司 | The system and method for preparing light aromatics by fine coal with heavy arene reuse function |
Non-Patent Citations (1)
| Title |
|---|
| 高万升等: "电石粉尘全自动密闭回用技术的应用", 《聚氯乙烯》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871115A (en) * | 2020-07-16 | 2020-11-03 | 甘肃银光聚银化工有限公司 | Process for conveying and digesting calcium carbide dust |
| CN111889205A (en) * | 2020-08-07 | 2020-11-06 | 北京瑞思达化工设备有限公司 | Calcium carbide broken dust recycling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109054896B (en) | 2021-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mills | Pneumatic conveying design guide | |
| JP3293310B2 (en) | Metal sorting and recovery method and apparatus | |
| CA2032397C (en) | Method of and apparatus for disposing of cooling units | |
| CN109054896A (en) | The method that a kind of pair of calcium carbide carries out recycling and reusing | |
| CN218230978U (en) | Pneumatic conveying system for fine powder | |
| WO2004009312A2 (en) | Transportable plastics recovery system | |
| CN102303782B (en) | Powder conveying device | |
| CN115231319B (en) | Environment-friendly conveying equipment for pneumatic conveying negative-pressure dust extraction of superfine powder and conveying method thereof | |
| CN111547320A (en) | Full-automatic potassium perchlorate packaging equipment | |
| CN105271349A (en) | Production method of ultrafine functional barium sulfate powder | |
| CN203569049U (en) | Pulverized coal pressurized dense phase transportation system suitable for dry pulverized coal gasification | |
| CN105381855A (en) | Superfine barium sulfate powder and production method thereof | |
| CN207823423U (en) | A kind of mineral aggregate dry separation system | |
| CN212403959U (en) | Lime milk preparation device | |
| JP2007112608A (en) | Carrying article supply quantity control method | |
| CN209583084U (en) | A kind of coal powder conveying system | |
| CN109290054B (en) | Automatic metal separator | |
| CN103599858A (en) | Pebble coal sorting and recycling system | |
| CN206417626U (en) | A kind of bentonite granular material conveying and packaging device | |
| SU1752451A1 (en) | Technological complex for dry air concentration of loose materials | |
| CN206913514U (en) | A kind of waste old disintegrating machine | |
| CN208037545U (en) | A kind of polyethylene leftover pieces automatic recovery system | |
| CN210009773U (en) | Workshop intelligence dust adsorbs processing apparatus | |
| US3409126A (en) | Dry product reclaiming apparatus | |
| CN211071244U (en) | Rock wool dirt system of recycling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20181221 Assignee: Qinghai Salt Lake Magnesium Industry Co.,Ltd. Assignor: QINGHAI SALT LAKE INDUSTRY Co.,Ltd. Contract record no.: X2023990000996 Denomination of invention: A method for recycling and reusing calcium carbide Granted publication date: 20210309 License type: Exclusive License Record date: 20240102 |
|
| EE01 | Entry into force of recordation of patent licensing contract |