CN2739552Y

CN2739552Y - Rotary furnance

Info

Publication number: CN2739552Y
Application number: CN 200420009590
Authority: CN
Inventors: 曾宪秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-10-06
Filing date: 2004-10-06
Publication date: 2005-11-09
Anticipated expiration: 2014-10-06

Abstract

The utility model relates to a drum furnace with improvement of breed, being used for smelting and producing non-ferrous metal. The utility model is characterized in that the furnace tail discharge end 12 and the furnace head feed end 11 are both provided with a suite of same sliding sealers. During the rotary process of the drum furnace tube 3, the convex suppressing ring 30 and the groove-shaped sealed steel ring 31 are suppressed by the spring 28 all along, ensuring that the discharge and feed ends are sealed firmly, and effectively preventing the reacting gas such as ammonia air from escaping. A furnace tube carriage 42 is arranged additionally adjacent to the discharge end 12 of the furnace tail, and the furnace tube carriage 42 and the furnace tube carriage 43 are both arranged on the roller 44, which makes the furnace tube telescope more freely, decreases the telescoping resistance and is favorable for protecting the furnace tube. The intermediate section of the furnace body 1 is additionally provided with a furnace tube supporting device. A worker does not need to rotate the furnace tube to prevent the furnace tube from bending and deforming when the power is cut off, enormously abating the worker's intensity of labor. The materials in the rotary feed pipe 52 can be prevented from wetting and changing into paste by the reacting gas tube-carrier 53 under the loading hopper 20, enhancing the effect of reduction reaction.

Description

Rotary furnace

Affiliated technical field

The utility model relates to a kind of rotary furnace, belongs to rotary furnace manufacturing technology field.

Background technology

In the smelting of non-ferrous metal was produced, rotary furnace was the capital equipment that is used for various materials are carried out roasting and reduction.The structure parts of rotary furnace have body of heater, revolution boiler tube, revolution boiler tube driving motor, revolution boiler tube to knock hammer, feed hopper, discharge end, support or the like.In the middle of production process, material to be machined enters from loading hopper 20, enters revolution boiler tube 3 again through burner feed end 11.Revolution boiler tube 3 has certain gradient, moves and carries towards stove tail discharge end 12 to guarantee material.The inclined degree of revolution boiler tube 3 is regulated by lifting lower margin screw rod 17.At stove tail discharge end 12, there are a reacting gas such as input channels such as hydrogen, ammonia 18 to extend in the middle of the revolution boiler tube 3.Material is held conveying from front end backward, and reacting gas then flows from the rear end toward front end, the high temperature of heating wire 8 heating in body of heater, and material is just by roasting and reduction.In order to prevent material in rotary furnace inside pipe wall bonding, the outer wall of revolution boiler tube is equipped with and knocks hammer 4, along with the rotation of boiler tube, knocks hammer 4 and just boiler tube is impacted.The rotary furnace that present domestic metal smelt enterprise uses all is consistent retrospective installations decades.There is the major defect of following several respects in this rotary furnace.1, the feed end of revolution boiler tube and the parts that discharge end all has more relative motion, the parts of these relative motions are through after a while running and vibration, movable sealing between the parts will be leaked, and cause outside the reacting gas escape pipe, be full of workshop.When reacting gas was ammonia, whole workshop just had been full of ammonia odor, and the people that chokes is dazzling.But the workpeople has adapted to this environment, the nothing to be surprised at and think normal phenomenon, the healthy of workman sustains damage in fact.When reacting gas is hydrogen, to leak and just caused explosion danger, must strengthen the forced ventilation measure this moment, reduces gas concentration.2, revolution boiler tube 3 is owing to be subjected to the high temperature action of heating wire 8 in the body of heater, and it is very obvious to expand with heat and contract with cold.Its boiler tube carriage of existing rotary furnace has only two, and one is boiler tube analog bracket 7, and another is to shorten the Movable bracket 43 that moves with the boiler tube elongation.But Movable bracket 43 is nearer from body of heater 1, and far away from stove tail discharge end 12, makes not held by carriage near the revolution boiler tube of stove tail discharge end 12, and flexural deformation is also just even more serious, has caused the poorly sealed of stove tail discharge end 12 more, and gas leaks.Simultaneously, Movable bracket 43 adopts sliding frictions to move on support 16, and coefficient of friction is bigger than normal, and revolution boiler tube flexible is subjected to certain obstruction.3, in a single day present rotary furnace is run into accident power-off in process of production, will run into a pretty troublesome thing: must rotate the revolution boiler tube without a break by the workman exactly, produce gross distortion to prevent the boiler tube under the condition of high temperature in cooling procedure.Working strength of workers is very big.4, in process of production, after raw material was filled loading hopper 20, the top cover of loading hopper 20 will hermetically closing, was not continuously from loading hopper 20 chargings, after this opened hopper valve 50 again and started the rotary furnace running.Although waste vapour, the steam of reacting gas and generation thereof have waste steam exhausting pipe 51 to drain in the middle of the production practices, but always understanding some unavoidably enters in the middle of the screw conveying pipe 52, make the interior feed product of pipe make moist and form pasty state, had a strong impact on the effect of the conveying and the reaction of reaction mass, to this problem up to now, prior art is all solved as yet.

The utility model content

At above-mentioned four major defects that existing rotary furnace exists, the utility model has adopted optimal design item by item through improving repeatedly, has provided a kind of rotary furnace.

The utility model is for solving its technical problem by the following technical solutions: rotary furnace, include body of heater 1, body of heater protective cover 2, revolution boiler tube 3, boiler tube knocks hammer 4, revolution boiler tube driving motor 5, the travelling gear 6 of fixedlying connected with boiler tube, boiler tube analog bracket 7, heating wire 8 in the body of heater, refractory brick 9 in the body of heater, furnace insulation material 10, burner feed end 11, stove tail discharge end 12, discharge end peephole 13, discharging pushes motor 14, spiral pushes discharge nozzle 15, furnace body support 16, revolution boiler tube gradient is regulated lifting lower margin screw rod 17, rotary furnace inner reaction tube gas inlet pipe 18, the discharge end peephole connects short tube 19, loading hopper 20, its architectural feature is:

Stove tail discharge end 12 all is equipped with the identical dynamic sealing device of a cover with burner feed end 11: revolution boiler tube 3 is divided into two termination sections 21 and an interlude 22, termination section 21 is an overall structure with bearing 23, bearing 23 is furnished with bearing shell 24, and the adpting flange 26 that bolt 25 passes revolution boiler tube interlude 22 will turn round boiler tube interlude 22 and be connected above the bearing 23; Be equipped with a ring recess shape ring gasket 31, a circle sealing ring 32, a circle convex between bearing shell 24 and the bearing 23 successively and suppress circle 30; Offer several circular holes 27 above the bearing 23, pocketed springs 28 in the middle of the circular hole 27, suit alignment pin 29 in the middle of the spring 28, spring 28 suppresses convex and suppresses circle 30, alignment pin 29 is fixed in above the flute profile ring gasket 31, flute profile ring gasket 31 and convex are suppressed between the circle 30 and are press-fited sealing ring 32, and the bottom surface of flute profile ring gasket 31 and bearing shell 24 are fitted; Several bolts 33 are fixedly connected on feed end to bearing shell 24 and above the discharge end; The longitudinal centre line of the longitudinal centre line of circular hole 27 and bolt 25 is not in the middle of the same section plane by bearing 23 same diameters; Be provided with an oiling space between bearing shell 24 and the bearing 23, offer tank filler sleeve 37 on the bearing shell 24; The periphery of bearing shell 24 also is enclosed with cooling water and adds the space, and is provided with cooling water and adds inlet 38;

On revolution boiler tube 3, have additional boiler tube carriage 42 near stove tail discharge end 12, boiler tube carriage 42 is loaded on above the roller 44 jointly with boiler tube carriage 43, roller 44 is loaded on above the track, below the base of installation discharging propelling movement motor 14 and spiral propelling movement discharge nozzle 16 roller 45 is housed, roller 45 is loaded on above the track;

The bracing or strutting arrangement of boiler tube 3 is set up in the stage casing of body of heater 1: on the furnace body support of below, body of heater 1 middle part lifting screw 46 is installed, the top of lifting screw 46 is stretched in the middle of loose furnace insulation material and is engaged a quarl 47, and quarl 47 contacts with the stiffening ring 48 of boiler tube;

20 bottom at loading hopper feeds a reacting gas tube-carrier 53.

The beneficial effects of the utility model are: 1, stove tail discharge end 12 all has the identical dynamic sealing device of a cover with burner feed end 11, and revolution boiler tube 3 rotates together by bolt 25 drive bearings 23 and boiler tube termination section 21 in rotation process; The spring 28 of packing in the middle of the circular hole 27 of bearing 23 also rotates with bearing, and spring 28 suppresses circle 30 to convex all the time and suppresses, even bigger crooked or distortion appears in revolution boiler tube 3, convex is suppressed circle 30 and can both be kept fitting tightly with sealing ring 32, flute profile ring gasket 31 is suppressed too and keeps fitting tightly with bearing shell 24, thereby prevented the effusion of reacting gas in the revolution boiler tube very effectively, the Workshop Production environment be improved significantly.2, install a boiler tube carriage 42 additional near stove tail discharge end 12, made that the running of revolution boiler tube 3 is more steady, reduced distortion, strengthened the sealing effectiveness of tail end boiler tube relatively; And boiler tube carriage 42 and boiler tube carriage 43 all be loaded on above the roller 44 jointly, adds the effect of roller 45, and the flexible resistance of the distortion of revolution boiler tube 3 has obtained reducing, and helps protecting boiler tube.3, the bracing or strutting arrangement of boiler tube 3 has been set up in the stage casing of body of heater 1, in case have a power failure, the operator need only pull pivoted arm 49 and just can make quarl 47 rotation directions top and hold revolution boiler tube 3, the phenomenon of the sagging distortion of high temperature furnace pipe has obtained preventing, the workpeople must not remove to shake boiler tube with hand again and constantly rotate, and has greatly alleviated working strength of workers.After the bottom of loading hopper 20 feeds a reacting gas tube-carrier 53, the a small amount of gas that flows out in the tube-carrier just can suitably " be answered back to " from the logical reaction steam that comes of stove tail discharge end direction, make reaction steam submissively to emit from waste steam exhausting pipe 51, thereby prevented that the material in the middle of the screw conveying pipe 52 from making moist into pasty state, improved the effect of material reduction reaction greatly.The utility model is through on probation, and structural four corrective measure effects are very remarkable, enter the workshop and again can't smell pungent ammonia odor.

Description of drawings

Fig. 1 is the utility model unitary construction schematic diagram.

Fig. 2 is the A-A view of Fig. 1.

Fig. 3 is the B-B view of Fig. 1.

Fig. 4 is the C-C view of Fig. 3, also is the dynamic sealing device structural representation that burner feed end 11 and stove tail discharge end 12 adopt.

Among the figure, 1. body of heater, 2. body of heater protective cover, 3. revolution boiler tube, 4. boiler tube knocks hammer, 5. revolution boiler tube driving motor, the 6. travelling gear of fixedlying connected with boiler tube, 7. boiler tube analog bracket, 8. heating wire in the body of heater, 9. refractory brick in the body of heater, 10. furnace insulation material, 11. burner feed ends; 12. stove tail discharge end, 13. discharge end peepholes, 14. dischargings push motor, 15. spiral pushes discharge nozzle, 16. furnace body supports, and 17. revolution boiler tube gradients are regulated lifting lower margin screw rod, 18. rotary furnace inner reaction tube gas inlet pipe, 19. discharge end peepholes connect short tube, 20. loading hoppers, 21. rotary furnace pipe end section, 22. revolution boiler tube interludes, 23. bearings, 24. the bearing shell, 25. bolts, 26. adpting flanges, 27. circular hole, 28. springs, 29. alignment pins, 30. convex is suppressed circle, 31. flute profile ring gaskets, 32. sealing rings, 33. bolt, 34. sealing ring, 35. sealing rings, 36. balls, 37. tank filler sleeve, 38. cooling water adds inlet, 39. cover plates, 40. pressing plates, 41. pressing plate tightening bolt, 42. the boiler tube carriage, 43. boiler tube carriages, 44. rollers, 45. roller, 46. lifting screw, 47. quarls, 48. boiler tube stiffening rings, 49. pivoted arm, 50. valve, 51. waste steam exhausting pipes, 52. screw conveying pipe, 53. reacting gas tube-carrier, 54. bearing block, 55. bearing bracket stands, 56. feeding motors, 57. blow-off pipe, 58. revolution boiler tube reinforcement plates.

The specific embodiment

Fig. 1 to Fig. 4 has represented same embodiment of the present utility model jointly, and concrete structure characteristics and operating process be repeated description no longer just.

Claims

1, rotary furnace, include body of heater (1), body of heater protective cover (2), revolution boiler tube (3), boiler tube knocks hammer (4), revolution boiler tube driving motor (5), the travelling gear of fixedlying connected (6) with boiler tube, boiler tube analog bracket (7), heating wire (8) in the body of heater, refractory brick (9) in the body of heater, furnace insulation material (10), burner feed end (11), stove tail discharge end (12), discharge end peephole (13), discharging pushes motor (14), spiral pushes discharge nozzle (15), furnace body support (16), revolution boiler tube gradient is regulated lifting lower margin screw rod (17), rotary furnace inner reaction tube gas inlet pipe (18), the discharge end peephole connects short tube (19), loading hopper (20) is characterized in that:

Stove tail discharge end (12) all is equipped with the identical dynamic sealing device of a cover with burner feed end (11): revolution boiler tube (3) is divided into two termination sections (21) and an interlude (22), termination section (21) is an overall structure with bearing (23), bearing (23) is furnished with bearing shell (24), and the adpting flange (26) that bolt (25) passes revolution boiler tube interlude (22) will turn round boiler tube interlude (22) and be connected above the bearing (23); Be equipped with successively between bearing shell (24) and the bearing (23) a ring recess shape ring gasket (31), one the circle sealing ring (32), one the circle convex suppress circle (30); Offer several circular holes (27) above the bearing (23), pocketed springs (28) in the middle of the circular hole (27), suit alignment pin (29) in the middle of the spring (28), spring (28) suppresses convex and suppresses circle (30), alignment pin (29) is fixed in above the flute profile ring gasket (31), flute profile ring gasket (31) and convex are suppressed and are press-fited sealing ring (32) between the circle (30), and the bottom surface of flute profile ring gasket (31) and bearing shell (24) are fitted; Several bolts (33) are fixedly connected on feed end to bearing shell (24) and above the discharge end; The longitudinal centre line of the longitudinal centre line of circular hole (27) and bolt (25) is not in the middle of the same section plane by the same diameter of bearing (23); Be provided with an oiling space between bearing shell (24) and the bearing (23), offer tank filler sleeve (37) on the bearing shell (24); The periphery of bearing shell (24) also is enclosed with cooling water and adds the space, and is provided with cooling water and adds inlet (38);

On revolution boiler tube (3), have additional boiler tube carriage (42) near stove tail discharge end (12), boiler tube carriage (42) is loaded on above the roller (44) jointly with boiler tube carriage (43), roller (44) is loaded on above the track, below the base of installation discharging propelling movement motor (14) and spiral propelling movement discharge nozzle (16) roller (45) is housed, roller (45) is loaded on above the track;

The bracing or strutting arrangement of boiler tube (3) is set up in the stage casing of body of heater (1): on the furnace body support of below, body of heater (1) middle part lifting screw (46) is installed, the top of lifting screw (46) is stretched in the middle of loose furnace insulation material and is engaged a quarl (47), and quarl (47) contacts with the stiffening ring (48) of boiler tube;

Bottom in (20) of loading hopper feeds a reacting gas tube-carrier (53).