CN202175726U - Device for recycling excess materials and collecting dust of aluminum oxide discharge station - Google Patents
Device for recycling excess materials and collecting dust of aluminum oxide discharge station Download PDFInfo
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- CN202175726U CN202175726U CN2011202604099U CN201120260409U CN202175726U CN 202175726 U CN202175726 U CN 202175726U CN 2011202604099 U CN2011202604099 U CN 2011202604099U CN 201120260409 U CN201120260409 U CN 201120260409U CN 202175726 U CN202175726 U CN 202175726U
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Abstract
The utility model relates to a device for recycling excess materials and collecting dust of an aluminum oxide discharge station, which utilizes a negative-pressure dust collecting system and fixed design. A main device is installed on a material ramming platform in the center of the discharge station, and a roots vacuum pump can generate negative-pressure power. Materials sucked by material sucking mouths are conveyed through an abrasion resistant hose and an abrasion resistant pipe network. By means of three-stage separation achieved through material stopping of a material storage bin, separation of a cyclone dust collector and separation of a bag type dust collector, recycled aluminum oxide sieved by a flap sieve is placed to an full-empty or half-empty railway aluminum oxide tanker and sent to an aluminum oxide storage bin through a dilute phase system of the aluminum oxide discharge station. The device for recycling the excess materials and collecting the dust of the aluminum oxide discharge station has the advantages of resolving the problems of repeated shunting, repeated rising of the aluminum oxide and being incapable of removing impurities in dirty materials on the ground caused by manual material drawing and manual cleaning at present, recycles valuable resources, reduces waste and workers' labor strength, improves working environment and working efficiency, achieves clean production, and is applied to electrolytic aluminum plants, aluminum oxide plants, aluminum oxide loading and unloading stations and ports.
Description
One, affiliated technical field
The utility model relates to a kind of aluminum oxide discharge terminal and reclaims clout and dust arrester installation, belongs to material negative pressure recovery technology field.
Two, background technology
2010, domestic aluminium commercial alumina annual capacity reached 3,100 ten thousand tons, and year import aluminum oxide is 4,500,000 tons simultaneously; This wherein 60% aluminum oxide be transported to electrolytic aluminium factory through railway aluminum oxide tank car.After railway aluminum oxide tank car arrived electrolytic aluminium factory aluminum oxide discharge terminal, the mode of carrying through dilute phase was transported to the aluminum oxide storage bin with the aluminum oxide powder in the tank car.Because the limitation of railway aluminum oxide tank car inner bottom part fluidized-bed design; Aluminum oxide powder all has the part heals in the dilute phase dnockout is carried rear oxidation aluminium pot car; The 300-500 kilogram is arranged at least; Indivedual many then having more than 3000 kilograms also have extremely indivedual failure and special aluminum oxide tank car car load aluminum oxide not show.Simultaneously; The workman takes at the dilute phase dnockout, tears pipe open, in the operation of leaking informaton; And reveal because of the blast height causes SV action all can produce partially oxidation aluminium, so on the electrolytic aluminium factory aluminum oxide discharge terminal station station down, tank car up and down and generally all have aluminum oxide to fly upward one deck aluminum oxide of generation on every side.
To having beaten clout problem in the tank car of material back, the way that most of electrolytic aluminium factory is handled the residue aluminum oxide powder in the aluminum oxide tank car is that tank car after having broken material is transferred to access railroad track switch, advances jar by manual work and draws material outward with keg.This method workman's workload is big, and labour intensity is high, inefficiency; Prolonged the vehicle holding time; The inner dust from flying of tank car, summer temp reach about 60 ℃, environment is abominable, and be very big to the workers ' health influence.The aluminum oxide of drawing out in the jar also needs the manual secondary pack; The crane entrucking; Transport to aluminum oxide concentrated phase dnockout place through automobile again; Crane is unloaded, manual work is cut bag back and through the concentrated phase system this part aluminum oxide got to the aluminum oxide storage bin, draws material, pack, entrucking in this process, transports, unloads, each link of dnockout all exists aluminum oxide secondary to fly upward loss, contaminate environment, waste precious resources; Long flow path, labor strength is big; Use equipment is many, and energy consumption is high, cost of equipment maintenance is high; Secondary package is disposable with bag, and expense is high, and waste is serious.Owing to above the aluminum oxide tank car bottom fluidization bed wire netting is arranged; Manual work is drawn material and is difficult to clean out; Draw and expect that general also surplus aluminum oxide powder of having an appointment about 100 kilograms can't reclaim in the tank car of back, the loss of annual each factory of only this item is very big, with a scale 500 kilotons/year electrolytic aluminium factory calculating; Annual loss loses about 1400 tons of aluminum oxide, be worth 390 surplus ten thousand yuan.
About present most of electrolytic aluminium factory aluminum oxide discharge terminal, about the tank car, fly upward unrestrained aluminum oxide on every side, generally take the way of hand sweeping, this method produces reentrainment of dust, and effect is bad.Also have individual management enterprise not in place, the way that indivedual irresponsible workmans take pressurized air to purge, " elimination " aluminum oxide dust, local clean, all blow to the other places of being scattered in the air.Both waste a large amount of precious resources, polluted environment again.
Three, summary of the invention
The purpose of the utility model is to make full use of having ready conditions of aluminum oxide discharge terminal, and a kind of aluminium commercial alumina discharge terminal alumina recovery and dust arrester installation are provided, and material and repeatedly shunting of existing of hand sweeping are drawn in present manual work, aluminum oxide repeatedly flies upward to solve, landing dirty material can't impurities removal; Reclaim precious resources; Cut the waste, alleviate labor strength, improve Working environment; Raise labour efficiency, realize cleaner production.
The purpose of the utility model is realized by following mode:
The utility model comprises Roots vaccum pump, storing feed bin, tornado dust collector, sack cleaner; It is characterized in that: Roots vaccum pump is connected with wear-resisting pipe connecting with sack cleaner, tornado dust collector, storing feed bin in proper order; On the storing feed bin, be connected with the negative pressure person in charge's net that gathers dust; Negative pressure is gathered dust and is responsible for net and lays layout along discharge terminal railway direction; Gather dust to be responsible in negative pressure and establish a negative pressure pipe network arm corresponding to each jar of tank car position on the net, each negative pressure pipe network props up the rapid-acting coupling of gathering dust of negative pressure of pipe coupling, and the negative pressure rapid-acting coupling of gathering dust seals with sealing cover; Bottom at sack cleaner, tornado dust collector, storing feed bin all is equipped with star-like unloading valve; The star-like bottom of unloading ash of storing feed bin is equipped with duct type turnover panel sieve; On the feed opening of the feed opening of the star-like unloading valve of sack cleaner, tornado dust collector and duct type turnover panel sieve, be connected with tremie pipe; The port of three sections tremie pipes crosses into a blanking port, on the blanking port, is connected with the blanking flexible pipe.
The effect and the advantage of the utility model are: make the clout recovery process short, realize in situ recovery, dnockout on the spot; Avoided railway aluminum oxide tank car secondary, shunt for three times, saved dispatch charge usefulness, reduced railway aluminum oxide tank car and account for the car time; Saving accounts for fare usefulness, improves the tank car utilising efficiency; Avoid the manual secondary pack; Avoid the secondary transportation; Avoid the artificial material of pricking of secondary; Save trouble, save time, laborsaving; Rating of set is big, and efficient is high, has greatly improved the worker laboring environment, has reduced labour intensity; Realized reclaiming the ON-LINE SEPARATION of dirty material, efficient is high.
Four, description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the external view of aluminum oxide pipeline formula turnover panel sieve;
Fig. 3 is the internal view of Fig. 2;
Fig. 4 is that the K of Fig. 3 is to view;
Fig. 5 is the schematic diagram that carries out negative pressure recovery, separation, dnockout with the utility model;
Fig. 6 is the side-view of Fig. 5.
Among the figure: 1. storing feed bin; 2. wear-resisting pipe connecting; 3. cyclonic separator; 4. sack cleaner; 5. electromagnetic impulse valve; 6. external compressed air; 7. sack cleaner clean room sealing cover; 8. pulse manipulator; 9. negative pressure indicator; 10. SV; 11. line strainer; 12. the rainproof chamber of equipment; 13. vacuum table; 14. yielding rubber pad; 15. intake silencer; 16. vacuum valve; 17. SV; 18. rubber absorbers; 19. Roots vaccum pump; 20. TM; 21. motor; 22. outlet secondary sound damper; 23. exit silencer; 24. sack cleaner level gage; 25. star-like unloading valve; 26. tremie pipe; 27. blanking flexible pipe; 28. the manhole gland hose connection with blanking; 29. tornado dust collector level gage; 30. star-like unloading valve; 31. storing silometer; 32. aluminum oxide pipeline formula turnover panel sieve; 33. star-like unloading valve; 34. sandstone foreign material discharge tube; Person in charge's net 35. negative pressure is gathered dust; 36. rapid-acting coupling (cloudy head); 37. rapid-acting coupling sealing cover; 38. rapid-acting coupling (sun head); 39. the wear-resisting flexible pipe of suction; 40. dilute phase dnockout pipe; 41. railway aluminum oxide tank car; 42. aluminum oxide discharge terminal framework; 43. clout reclaims suction nozzle; 44. sandstone packaging tray; 45. alumina recovery material mouth; 46 aluminum oxide feed bins; 47. check fast perforate; 48. aluminum oxide pipeline formula turnover panel sieves left halfbody; 49. turnover panel lever; 50. turnover panel sieve opening for feed; 51. aluminum oxide pipeline formula turnover panel sieves right halfbody; 52. turnover panel handle; 53. bolt; 54. nut; 55. packing ring; 56. sieve sheet; 57. split pin; 58. nut; 59. packing ring; 60. rotating plate shaft; The mouth 61. gather dust; 62. centralized-control box; 63. steel base.
Five, embodiment
The utility model provides a kind of aluminium commercial alumina discharge terminal alumina recovery, collecting method and device, below is that example is set forth its innovative thinking, design details and embodiments from several importances with the aluminum oxide discharge terminal of 14 jar positions:
1, general thought and structural arrangement
The utility model provides a kind of aluminium commercial alumina discharge terminal alumina recovery and dust arrester installation, adopts the negative pressure dust collecting system;
General thought is: realize in situ recovery, dnockout on the spot;
● fixed design, primary device are installed on the discharge terminal central authorities dnockout platform;
● negative pressure power is produced by Roots vaccum pump, lays the negative pressure pipe network that gathers dust along the aluminum oxide discharge terminal, the rapid-acting coupling of gathering dust of corresponding tank car position design negative pressure, this joint the time spent with the lid sealing;
● will carry out the dilute phase dnockout earlier one time corresponding to the aluminum oxide tank car of the blanking mouth of pipe earlier during dnockout, and get half jar of material and get final product, this main purpose is to vacate the part jar to hold.Receive on the nearest manhole of this tank car with the blanking flexible pipe with the hose connection manhole gland of blanking then.Then one by one with good position tank car being accomplished dnockout with dilute phase system on the discharge terminal.Inside and outside having made tank car, carry out the manual recovery operation simultaneously, to around the aluminum oxide discharge terminal, the operation of gathering dust up and down;
● reclaiming aluminum oxide is to be connected wear-resisting flexible pipe with suction nozzle with the dust suction operation; Through wear-resisting hose connection rapid-acting coupling (sun head); Earlier negative pressure pipe network rapid-acting coupling (cloudy head) lid is opened during use, rapid-acting coupling negative and positive head connects, the open vacuum pumping unit; The workman down to jar in a hand-held suction nozzle aluminum oxide in the jar (comprising the aluminum oxide under the bottom fluidization bed) is blotted only, same manner is with around the tank car, aluminum oxide dust blots only about the discharge terminal;
● the operation of gathering dust, the sucking-off material cuts material, tornado dust collector separation, sack cleaner separation through the negative pressure pipe network to the storing feed bin, carries out three grades of separation;
● be respectively equipped with star-like unloading valve under storing feed bin, tornado dust collector, the sack cleaner hopper, realize on-line continuous suction, continuous discharge;
● at the aluminum oxide (containing a small amount of sand and impurity) of storing feed bin, be put back into the railway aluminum oxide tank car that soars through turnover panel sieve screening aluminum oxide, sandstone that sieve out and foreign material are put in the sandstone packaging tray through pipeline, and fork truck is pitched away and poured into the Refuse bin;
● tornado dust collector, the isolating aluminum oxide of sack cleaner directly are put into the railway aluminum oxide tank car that soars through pipeline;
● after 14 aluminum oxide tank cars have all been broken material (the corresponding tank car that reclaims aluminum oxide can be half jar); To inside and outside all the other the aluminum oxide tank cars of the tank car that reclaims aluminum oxide, suction finishes about the discharge terminal; Remove blanking flexible pipe and manhole gland; Build the tank car manhole, the aluminum oxide that is recovered to the aluminum oxide tank car is got to the aluminum oxide feed bin through aluminum oxide discharge terminal dilute phase system.After this jar beaten, utilize the negative pressure dust collecting system to inside and outside this jar, discharge terminal carries out a suction operation up and down again, material is stored in the dust collecting system.Call empty wagons this moment away, transfers in fully loaded car, carries out next working cycle.
2, negative pressure system design
● system's negative pressure is produced by vacuum pump; Vacuum pump adopts the cloverleaf Roots vaccum pump, direct motor drive, and power of motor is selected 55KW; The distinguishing feature of this vacuum pump is that volume is little, and big flow, flow rate fluctuation are little, and noise is low, and it is reliable to operate steadily.Design maximum vacuum 50KPa, the anti-negative pressure of design such as system pipeline, storing feed bin, tornado dust collector, sack cleaner is greater than 100KPa;
● vaccum pump unit is installed on the discharge terminal central authorities dnockout platform through cushion blocking, indoor installation; Rubber absorbers, sound damper are installed in the vacuum pump import; Vacuum pump outlet is installed rubber absorbers, sound damper;
● 200 meters of the about length of the aluminum oxide discharge terminal of 14 jar positions, the negative pressure pipe network lays along aluminum oxide discharge terminal two-layer platform, lays from the mediad both sides; 120 meters of design maximum delivery distances; Main line is selected diameter 150mm wear-resistant ceramic lined steel pipe for use.Bye-pass selects diameter 108mm wear resistance ceramic tube.Bye-pass rapid-acting coupling and sealing cover all select diameter 108mm; Each the branch road dust suction simultaneously operation of design vacuum pump both sides, i.e. system design two branch road operations simultaneously, other branch road requires sealing;
● negative pressure pipe network master loop radius of turn is greater than 3 meters, and the bye-pass radius of turn is greater than 2 meters, and bye-pass is connected the employing welding with main line, and bye-pass flow direction of material and main line flow direction of material connection angle are less than and equal 14 °, and flow direction of material is a downbeam; Arm is drawn from top or the side top be responsible for;
● the flexible pipe intended diameter of gathering dust 108mm, 18 meters of design lengths; Design environment for use temperature-40 °～+ 60 °;
● each pipe end screw socket connects a stainless steel rapid-acting coupling (cloudy head), and the time spent does not seal with the supporting stainless steel cover of rapid-acting coupling, and the time spent is opened stainless steel cover, and the butt joint of negative and positive head is carried out in the stainless steel rapid-acting coupling (sun head) that connects wear-resisting flexible pipe with an end.
3, feed separation design
● feed separation is designed to three grades, is respectively linear separation, spinning, sack cleaner filtration;
● linear separation: be to realize cutting material through the storing feed bin; After the operation sucking-off aluminum oxide that gathers dust is transported to the import of storing feed bin through material sucking mouth suction, negative pressure pipe network; Be far longer than the area of opening for feed because of the feed bin sectional area; A large amount of materials are particularly impure, the sedimentation rapidly herein of sandstone material, realize the separation of the material first step.This design advantage is that simple, unpowered parts, efficient are high.This key for design is the position and the direction design of the opening for feed and the discharge port of storing feed bin as shown in Figure 1, can obtain best material effect of settling.Storing feed bin design volume 5m
3
● spinning: tornado dust collector are adopted in spinning, and tornado dust collector are made up of cylindrical shell, cone, inlet pipe, air outlet tube and ash releasing tube etc.The working process of tornado dust collector is that air-flow will become circumferential motion by translational motion when dusty gas gets into cyclonic separator by the tangential admission mouth.The overwhelming majority of swirling eddy is downward twist, mobile towards cone from cylinder along wall, claims that usually this is outer rotational gas flow.Dusty gas produces cf-in rotary course, the grit of specific density greater than gas got rid of to wall.Grit is in case contact with wall, just loses mass force radially and momentum under relying on and downward gravity fall the entering ash releasing tube along wall.When the outward turning gas that rotation descends arrives cone, because of conical contraction is drawn close to the center.According to " spin moment " invariance principle, its tangential velocity improves constantly, and the suffered cf-of grit is also constantly strengthened.When air-flow arrives a certain position, cone lower end, promptly with same sense of rotation from the cyclonic separator middle part, by on the counter steer down, continue spinning property and flow, promptly in rotational gas flow.Final purification gas is outside the vapor pipe vent pipe, and the grit of a part of collection at large is also discharged thus.Adopt the advantage of tornado dust collector design to be, cyclone separator structure is simple, volume compact, and separation efficiency is higher, movement-less part, volume is little, in light weight;
Before sack cleaner, install tornado dust collector additional, can alleviate the working load of sack cleaner greatly, reduce the filtration area of fly-ash separator, the safeguards system reliability service;
● sack cleaner filters, and dusty gas gets into ash bucket, filter bag chamber by the fly-ash separator inlet mouth, and dusty gas sees through filter bag and is filtered into pure qi (oxygen) entering air-purifying chamber, through the air-purifying chamber venting port, is taken away by vacuum pump again.Filter bag is selected 500g/m for use
2Terylene overlay film needled filtering felt, good waterproof performance.The long-pending outside surface that is attached to filter bag of dust, and constantly increase, the resistance of bag dust collector is constantly risen, need regularly deashing; Deashing is by pulse manipulator timing sequential firing electromagnetic impulse valve; The existing pressurized air of use discharge terminal (0.5～0.7MPa), induce the ambient air (title secondary air) that is several times as much as a wind by winding-up pore eye ejection (claiming a time wind) through Venturi meter, get into filter bag filter bag was sharply expanded in moment; And dust is shaken off in the opposite direction effect that is accompanied by air-flow; The dust that invests the bag table hightails filter bag and falls into ash bucket (or grey storehouse), and dust is discharged by star-like unloading valve, reaches the purpose of deashing.Electromagnetic impulse valve (also claiming diaphragm valve) is the pressurized air " switch " of pulse bag type dust collector deashing injection system.Receive the control of pulse control instrument output signal, regularly, dust remover resistance is remained within the scope of setting, to guarantee the processing power and the efficient of fly-ash separator to filter bag jetting deashing by row.
4, blowing and screening system design
● through the aluminum oxide of three grades of Separation and Recovery, be stored in the bottom of storing feed bin, tornado dust collector, sack cleaner respectively; The bottom respectively is designed with an electronic star-like unloading valve, controls electronic star-like unloading valve and carries out blowing and close material;
● wherein storing feed bin bottom material contains small amounts of sandstone and impurity, has therefore designed sorting turnover panel sieve.Sieve aperture 6 * 6mm, undersize is for reclaiming aluminum oxide and a small amount of fine sand, with electronic star-like unloading valve unloads discharging and converges in the pipeline from the bottom of tornado dust collector, sack cleaner, receives through flexible pipe on the manhole of aluminum oxide tank car;
● oversize is macrobead sandstone and foreign material, is put into the sandstone packaging tray under the discharge terminal through pipeline, outwells;
● the flexible pipe head design has a platen, and size is with tank car manhole outer, leans on weight and adheres to the rubber cushion realization and be connected and seal;
● another manhole of tank car is opened, and the discharging cover that leaks informaton that gathers dust is installed, and builds the pressure when preventing the tank car discharging.Gathering dust leaks informaton is covered with platen of meter, and 500g/m is installed
2Terylene overlay film needled filtering felt is made filter bag, is crimped on the tank car manhole by weight.
5, the wear-resisting design of system
● system's dust suction and recovery mainly be aluminum oxide, abrasive property is extremely strong, system's each parts of negative pressure loop all will be considered enough wear resistances;
● suction nozzle adopts stainless steel; Stainless steel is adopted in rapid-acting coupling;
● the suction flexible pipe adopts polyurethane tape muscle flexible pipe;
● main line is selected the wear-resistant ceramic lined steel pipe for use;
● storing feed bin ingress elbow will have the wear-resistant ceramic of reinforcement liner;
● storing feed bin, tornado dust collector all adopt the wear-resistant ceramic liner.
6, system's control and safety, protection design
● (62) one of system design centralized-control boxes, panel display power supply, system's negative pressure value; Vacuum pump start button, stop button are arranged, and three star-like unloading valves start, stop button;
● vacuum pump, star-like unloading valve are designed with short-circuit protection, override protection;
● the high protection of system design negative pressure, system's negative pressure opens the safety-valve automatically when surpassing 60KPa and protects;
● vacuum pump is imported and exported and is all designed sound damper, and vacuum pump and sound damper are installed in indoor;
● if the aluminum oxide discharge terminal does not have pile on every side, and the lightning rod lightning proof is considered in design.
7, the erection sequence of alumina recovery, dust arrester installation and inspection method
Below will assemble, on-the-spot install from factory, each link of production operation sets forth the step of its practical implementation:
The utility model should be accomplished negative pressure power section, storing feed bin (1), cyclonic separator (3), sack cleaner (4), aluminum oxide pipeline formula turnover panel sieve (32) factory and make before in assembling negative pressure dust collecting system, arrives the on-the-spot installation of aluminum oxide discharge terminal (42) then;
Negative pressure power section erection sequence is: on steel base (63), install Roots vaccum pump (19) and motor (21); (19) with (21) through to the wheel be connected; Import and export connection rubber absorbers (18) at Roots vaccum pump (19); Connect exit silencer (23) and outlet secondary sound damper (22) in outlet rubber absorbers (18) back; At inlet rubber absorbers (18) preceding installation intake silencers (15), go up mounting temperature meter (20) at Roots vaccum pump (19), between inlet rubber absorbers (18) preceding installation intake silencers (15), vacuum meter (16) and SV (17) are installed;
The erection sequence of aluminum oxide pipeline formula turnover panel sieve (32) is: make aluminum oxide pipeline formula turnover panel and sieve left halfbody (48); The fast perforate of installation check (47) on it, turnover panel sieve opening for feed (50), the hole of gathering dust (61); Make aluminum oxide pipeline formula turnover panel again and sieve right halfbody (51) and sieve sheet (56); Right through rotating plate shaft (60) bolt (53) nut (54) packing ring (55) and split pin (57) nut (58) packing ring (59) group, turnover panel lever (49) and turnover panel handle (52) is installed at last;
The aluminum oxide discharge terminal on-the-spot earlier with crane with factory make assemble, storing feed bin, cyclonic separator, sack cleaner, aluminum oxide pipeline formula turnover panel sieve handling one by one to aluminum oxide discharge terminal top layer platform; The negative pressure power section is installed on the platform through yielding rubber (14), the rainproof chamber of enclosing cover equipment (12).Storing feed bin (1), cyclonic separator (3), sack cleaner (4) are fixed on aluminum oxide discharge terminal (42) the top layer platform; Be connected and installed through wear-resisting pipe connecting (2); Star-like unloading valve (25) (30) (33) is installed; Sack cleaner level gage (24), tornado dust collector level gage (29), storing silometer (31) are installed; Sack cleaner (4) is gone up electromagnetic impulse valve (5) external compressed air (6) and sack cleaner clean room sealing cover (7) pulse manipulator (8) negative pressure indicator (9) is installed; SV (10) and line strainer (11) vacuum table (13) are installed on the wear-resisting pipe connecting (2) between sack cleaner sealing cover (7) and the intake silencer (15) successively, and gather dust mouthful (61) of aluminum oxide pipeline formula turnover panel sieve connect with steel tube with sack cleaner (4) bottom;
The negative pressure pipe network erection sequence of gathering dust is: the ceramic wear-resisting steel pipe is welded to form negative pressure one by one along discharge terminal framework (42) gathers dust and be responsible for net (35); Every weld place's arm and make it to gather dust at a distance from 15M with negative pressure be responsible for net (35) and link to each other; Prop up pipe end and connect rapid-acting coupling (cloudy 36) and rapid-acting coupling sealing cover (37); (39) one of suction flexible pipes linked to each other with clout recovery suction nozzle (43), alumina recovery material mouth (45) when this branch road used; One links to each other with rapid-acting coupling (sun 38), and rapid-acting coupling (sun 38) and rapid-acting coupling (the moon 36) link to each other;
Blanking, screening erection sequence are: star-like unloading valve (25) (30) directly is connected with tremie pipe (26); Star-like unloading valve (33) is connected with aluminum oxide pipeline formula turnover panel sieve (32); The undersize of aluminum oxide pipeline formula turnover panel sieve (32) is connected with tremie pipe (26), oversize with enter sandstone packaging tray (44) after sandstone foreign material discharge tube (34) is connected.Tremie pipe (26) gather the back with blanking flexible pipe (27) be connected with the hose connection manhole gland (28) of blanking;
The dnockout order of connection is: railway aluminum oxide tank car (41) links to each other with dilute phase dnockout pipe (40) and is transported to aluminum oxide feed bin (46);
System assembles will be carried out leak test after accomplishing; The concrete practice is: check that all negative pressure pipe network arm rapid-acting coupling sealing cover (37) sealings are intact; Go up starter motor (21) Roots vaccum pump (19) at centralized-control box (62), observe vacuum table (13), raise and SV (10) is moved like negative pressure value in 2-3 minute and leak informaton; The illustrative system good seal possesses working conditions.
8, the technological operation of alumina recovery, dust arrester installation and method of use
Complete process operation of alumina recovery, dust arrester installation mainly contains dnockout, adapter, start, suction, discharge, tears pipe, dnockout link open, the operation of 14 aluminum oxide tank cars of good position is sketched it with a discharge terminal and manipulates method:
The first step: dnockout;
Aluminum oxide tank car with corresponding tremie pipe (26) carries out the dilute phase dnockout one time through dilute phase dnockout pipe (40) earlier, gets half jar of material and gets final product, and this main purpose is to vacate the part jar to hold.Then one by one with all the other 13 tank cars of good position being accomplished dnockout with dilute phase system (40) on the discharge terminal.
Second step: take over; This step can carry out with other 13 tank car dilute phase system dnockouts synchronously.Tremie pipe is taken over: open and beaten half a jar of batch can car and a nearest tank car manhole plate of tremie pipe, receive (each tank car has 4 manholes usually) on this manhole with the blanking flexible pipe with the hose connection manhole gland (28) of blanking through crimping.
Material sucking pipes is taken over: be to connect a wear-resisting flexible pipe of suction (39) respectively with suction nozzle (43), (45); Through wear-resisting hose connection rapid-acting coupling (sun head) (38); Plan is carried out the negative pressure pipe network arm of the corresponding tank car of suction operation and rapid-acting coupling (the 36 cloudy head) lid of the negative pressure pipe network arm adjacent with this arm is opened, and rapid-acting coupling negative and positive head (38) connects.
The 3rd step: start; Go up unlatching Roots vaccum pump (19) at centralized-control box (62), observe vacuum table (13), open star-like unloading valve (25), (30), (33).
The 4th step: the workman down to jar in hand-held wear-resisting material sucking pipes and suction nozzle aluminum oxide in the jar (comprising the aluminum oxide under the bottom fluidization bed) is blotted only, and with around the tank car, aluminum oxide dust blots only about the discharge terminal.
The 5th step: discharge; This and suction are carried out simultaneously, the limit suction, and the limit is through the negative pressure dust collecting system, and the sucking-off material is discharged to aluminum oxide tank car (41) lining of the reception reclaimed materials corresponding with the blanking flexible pipe, and the sandstone foreign material sieve (32) by the duct type turnover panel and isolate and enter sandstone packaging tray (44).
The 6th step: tear pipe open;
Aluminum oxide tank car is inside and outside, clean out up and down after, with suction nozzle (43), (45) and connect the wear-resisting flexible pipe of suction (39) and receive next and intend the corresponding rapid-acting coupling of cleaning tank car, seal with sealing cover (37) handling clean tank car rapid-acting coupling.
Treat that 13 tank cars all accomplish the dilute phase dnockout, and after all accomplishing the suction operation, remove from the tank car manhole, close the tank car manhole, close star-like unloading valve (25), (30), (33) with the blanking flexible pipe with the hose connection manhole gland (28) of blanking.
The 7th step: dnockout; The tank car that rewinding is regained in butt joint carries out the dilute phase dnockout one time.
The 8th step: suction; Butt joint regain the tank car of rewinding inside and outside, carry out the suction operation up and down, reclaimed materials is stored in the storing feed bin (1).
The 9th step: shutdown; Close Roots vaccum pump (19), the site clearing is called empty wagons away, transfers in full car, carries out next operation cycle.
Claims (1)
1. an aluminum oxide discharge terminal reclaims clout and dust arrester installation; Comprise Roots vaccum pump, storing feed bin, tornado dust collector, sack cleaner; It is characterized in that: Roots vaccum pump is connected with wear-resisting pipe connecting with sack cleaner, tornado dust collector, storing feed bin in proper order; On the storing feed bin, be connected with the negative pressure person in charge's net that gathers dust, negative pressure is gathered dust and is responsible for net and lays layout along discharge terminal railway direction, gathers dust to be responsible in negative pressure and establishes a negative pressure pipe network arm corresponding to each jar of tank car position on the net; Each negative pressure pipe network props up the rapid-acting coupling of gathering dust of negative pressure of pipe coupling, and the negative pressure rapid-acting coupling of gathering dust seals with sealing cover; Bottom at sack cleaner, tornado dust collector, storing feed bin all is equipped with star-like unloading valve; The star-like bottom of unloading ash of storing feed bin is equipped with duct type turnover panel sieve; On the feed opening of the feed opening of the star-like unloading valve of sack cleaner, tornado dust collector and duct type turnover panel sieve, be connected with tremie pipe; The port of three sections tremie pipes crosses into a blanking port, on the blanking port, is connected with the blanking flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202604099U CN202175726U (en) | 2011-07-15 | 2011-07-15 | Device for recycling excess materials and collecting dust of aluminum oxide discharge station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202604099U CN202175726U (en) | 2011-07-15 | 2011-07-15 | Device for recycling excess materials and collecting dust of aluminum oxide discharge station |
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| CN202175726U true CN202175726U (en) | 2012-03-28 |
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| CN2011202604099U Expired - Fee Related CN202175726U (en) | 2011-07-15 | 2011-07-15 | Device for recycling excess materials and collecting dust of aluminum oxide discharge station |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268696A (en) * | 2011-07-15 | 2011-12-07 | 傅文渊 | Method and apparatus for recovery of remaining alumina and dust collection in alumina discharge station |
| CN102641870A (en) * | 2012-04-01 | 2012-08-22 | 厦门佰瑞福环保科技有限公司 | Vacuum cleaning system |
| CN102824805A (en) * | 2012-08-31 | 2012-12-19 | 湖南有色冶金劳动保护研究院 | Integrated type vacuum sweeping and dust absorbing device for wolframite beneficiation system |
| CN103743234A (en) * | 2013-01-29 | 2014-04-23 | 韩旭新 | Multi-tube tunnel kiln vehicle sintering bulk material negative pressure suction and discharge device |
| CN109896310A (en) * | 2017-12-08 | 2019-06-18 | 株洲天桥起重机股份有限公司 | A kind of high-temperature material conveying, discharging and dust removal method based on double dust collection unit |
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2011
- 2011-07-15 CN CN2011202604099U patent/CN202175726U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268696A (en) * | 2011-07-15 | 2011-12-07 | 傅文渊 | Method and apparatus for recovery of remaining alumina and dust collection in alumina discharge station |
| CN102268696B (en) * | 2011-07-15 | 2013-08-14 | 傅文渊 | Method and apparatus for recovery of remaining alumina and dust collection in alumina discharge station |
| CN102641870A (en) * | 2012-04-01 | 2012-08-22 | 厦门佰瑞福环保科技有限公司 | Vacuum cleaning system |
| CN102824805A (en) * | 2012-08-31 | 2012-12-19 | 湖南有色冶金劳动保护研究院 | Integrated type vacuum sweeping and dust absorbing device for wolframite beneficiation system |
| CN103743234A (en) * | 2013-01-29 | 2014-04-23 | 韩旭新 | Multi-tube tunnel kiln vehicle sintering bulk material negative pressure suction and discharge device |
| CN103743234B (en) * | 2013-01-29 | 2015-07-22 | 韩旭新 | Multi-tube tunnel kiln vehicle sintering bulk material negative pressure suction and discharge device |
| CN109896310A (en) * | 2017-12-08 | 2019-06-18 | 株洲天桥起重机股份有限公司 | A kind of high-temperature material conveying, discharging and dust removal method based on double dust collection unit |
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