CN116294561A - Lithium mineral high-temperature roasting rotary kiln equipment with waste heat recovery - Google Patents

Abstract

The utility model discloses lithium mineral high-temperature roasting rotary kiln equipment with waste heat recovery, which comprises a shell, wherein a second limiting ring is arranged at the outer side of one end of the shell, a smoke chamber is arranged at the outer side of the second limiting ring, a smoke exhaust pipe is arranged at the inner side of the smoke chamber in a penetrating way, a smoke extractor is arranged at one end of the smoke exhaust pipe, a connecting pipe is arranged at the output end of the smoke extractor, a thermal generator is arranged at the output end of the connecting pipe, and a controller is arranged at the front side of the thermal generator. According to the utility model, the thermodynamic power generator is arranged, the smoke extractor operates to generate suction force, smoke is extracted through the smoke exhaust pipe, the smoke enters the smoke extractor, the smoke extractor transmits the smoke and high-temperature hot gas into the thermodynamic power generator through the connecting pipe, so that heat enters the thermodynamic power generator, the steam generator and the power generator are arranged in the thermodynamic power generator, the fan blades are driven to rotate by the internal energy of the steam, and the purpose of waste heat recovery and reutilization is achieved along with the rotation of the power generator.

Description

Lithium mineral high-temperature roasting rotary kiln equipment with waste heat recovery

Technical Field

The utility model relates to the technical field of high-temperature roasting of lithium minerals, in particular to a high-temperature roasting rotary kiln device for lithium minerals with waste heat recovery.

Background

Lithium is the lightest metal in nature, has unique physical and chemical properties, has been widely applied to the fields of chemical industry, aerospace and the like, is known as industrial monosodium glutamate, is roasted through a rotary kiln in the process of producing lithium minerals, is widely applied to industries of building materials, metallurgy, chemical industry, environmental protection and the like, uses the rotary kiln to mechanically, physically or chemically treat solid materials in the industries, and becomes more and more important in the production, and becomes core equipment for production of corresponding enterprises.

The existing high-temperature roasting rotary kiln equipment has the defects that:

1. patent document CN203550526U, a waterfall type rotary kiln, it includes the rotary kiln support, rotates on the rotary kiln support to be connected with the rotary kiln barrel, and the rotary kiln barrel is from the slope downwards of forward and backward setting, still is equipped with the rotary kiln power device of drive rotary kiln barrel pivoted on the rotary kiln support, is equipped with on the inner wall of rotary kiln barrel along rotary kiln barrel axial extension and along its cross-section ring cloth at least three material roll-over section, the waterfall type rotary kiln still includes feeding sleeve and ejection of compact sleeve, the front and back tip of rotary kiln barrel rotates respectively to be connected on feeding sleeve and ejection of compact sleeve, is equipped with the rotary kiln inlet pipe that stretches into rotary kiln barrel inner chamber on the feeding sleeve, and ejection of compact telescopic bottom is equipped with the rotary kiln discharging pipe, and ejection of compact end is still equipped with the flame thrower in the rotary kiln barrel to ejection of compact end, and the exhaust fan is equipped with at feeding sleeve's top. The utility model has the advantages of uniform heating of the ceramsite and effective prevention of the ceramsite damage, but the internal part of the publication lacks waste heat recycling equipment, so that heat is directly discharged and waste of heat is caused;

2. patent document CN206695593U discloses a rotary kiln, in particular to a rotary kiln with exhaust air in front of the kiln. The rotary kiln comprises a rotary kiln body and a screw conveyor arranged at a feed inlet of the rotary kiln body, wherein an air inlet is formed in the tail of the rotary kiln body, and an air exhaust and dust collection device is further arranged at the feed inlet of the rotary kiln body. According to the utility model, the air passing through the rotary kiln body is introduced into the bag type dust collector through the air introducing pipe, the uncalcined materials are recovered through the bag type dust collector, and the uncalcined materials can be input into the rotary kiln body again through the screw conveyor for continuous calcination, so that the purposes of saving raw materials and protecting environment are achieved; the utility model controls the air quantity by controlling the rotating speed of the dust collection fan of the bag type dust collector, thereby achieving the purposes of controlling the heat of the feed inlet of the kiln body of the rotary kiln and preventing the material from being burnt in the presintering section, but the interior of the publication lacks equipment for purifying the discharged smoke, so that the smoke is directly discharged, the surrounding environment is polluted, and the health of workers is influenced;

3. patent document CN212362810U provides a rotary kiln, relates to rotary kiln technical field. The rotary kiln comprises a rotary kiln shell, a feed inlet and a discharge outlet which are arranged at two ends of the rotary kiln shell, wherein a heating assembly is arranged on the peripheral wall of an inner cavity of the rotary kiln shell, a spiral blade group is arranged near the center side of the rotary kiln, and the heating assembly is fixedly connected with the spiral blade group. The inner cavity of the rotary kiln is simultaneously provided with the helical blade group and the heating component, the helical blade group is arranged to enable the inclination of the rotary kiln to push materials in a smaller range (the inclination angle is smaller than 5 degrees), and under the premise that the heating component is arranged in the rotary kiln and has the thermal power with too high strength, the coal pyrolysis is promoted to be rapidly pushed, the quick pyrolysis of the rotary kiln is completed, and the productivity is increased. The device provided by the utility model can effectively relieve the problem that the rotary kiln cannot rotate stably due to the too high rotation speed of the rotary kiln in the above-mentioned publication, and the danger of the rotary kiln is easy to occur because the rotary kiln is too high in rotation speed;

4. patent document CN206247838U discloses a rotary kiln, including the rotary kiln body and be located the kiln head case of rotary kiln body kiln head department and play the sealed effect, wear inherent main burner on the kiln head case, the combustion head of main burner is located the rotary kiln body, still wear inherent supplementary heating nozzle on the lateral wall of kiln head case, supplementary heating nozzle is not higher than the interior surface of kiln head case lateral wall, this rotary kiln, install the supplementary heating nozzle that is not higher than its interior surface on the lateral wall of kiln head case, in order to ensure that the molten iron of roasting in the rotary kiln body falls out from the kiln head, realize the heating to rotary kiln body kiln head department when not damaging supplementary heating nozzle, its simple structure, effectively avoided leading to the fact the molten iron to bind because of rotary kiln body kiln head department temperature is too low, the phenomenon that the output reduces, but the lack of control in the above-mentioned publication is thrown the structure of material speed, cause the material to throw-in speed can't thoroughly roast, make the lithium mineral be heated unevenly.

Disclosure of Invention

The utility model aims to provide lithium mineral high-temperature roasting rotary kiln equipment with waste heat recovery, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the lithium mineral high-temperature roasting rotary kiln equipment with the function of waste heat recovery comprises a shell, wherein a second limiting ring is arranged at the outer side of one end of the shell, a smoke chamber is arranged at the outer side of the second limiting ring, a smoke exhaust pipe is arranged at the inner side of the smoke chamber in a penetrating way, a smoke extractor is arranged at one end of the smoke exhaust pipe, a connecting pipe is arranged at the output end of the smoke extractor, a thermal generator is arranged at the output end of the connecting pipe, and a controller is arranged at the front side of the thermal generator;

the heat-insulating layer is installed to the inboard of casing, the heat-resisting layer is installed to the inboard of heat-insulating layer, two sets of wheel belts are installed in the outside of casing, two sets of the lower surface movable mounting of wheel belts has the riding wheel, the inboard of riding wheel runs through and installs the bearing bar, the both ends swing joint of bearing bar has the bearing frame, the telescopic link is installed in the both sides inner wall of bearing frame running through, the slipmat is installed to the one end of telescopic link, and the slipmat is located the both sides of wheel belts, the mount is installed to the bottom of bearing frame.

Preferably, the bull gear is installed in the outside of casing, and the bull gear is located between two sets of wheel belts, and the support bracket is installed at the top of mount, and the support bracket is located one side of bearing frame, and the rotation axis is installed in the inboard penetration of support bracket, and the driving gear is installed in the outside of rotation axis, and the draw-in groove of driving gear and the draw-in groove looks adaptation of bull gear, and inverter motor is installed to the one end of rotation axis, and inverter motor installs at the top of mount.

Preferably, a first limiting ring is arranged on the outer side of the other end of the shell, a supporting seat is movably arranged on the outer side of the first limiting ring through a bearing, and a ventilation pipe is arranged on the inner side of the supporting seat in a penetrating manner.

Preferably, the top of the heat power generator is provided with a smoke outlet pipe, the top end of the smoke outlet pipe is provided with a first assembly cover, the top of the first assembly cover is movably provided with a assembly pipe through threads, the inside of the assembly pipe is provided with a ventilation net, the top of the ventilation net is provided with filter cotton, the top of the filter cotton is provided with a filter screen, and the top of the filter screen is provided with an active carbon net.

Preferably, the clamping groove of the driving gear is mutually matched with the clamping groove of the large gear ring, the clamping teeth on the driving gear are mutually meshed with the clamping teeth on the large gear ring, and the belt is tightly attached to the riding wheel;

the filter cotton, the filter screen and the activated carbon net are positioned at the inner side of the assembly tube, the filter cotton is glass fiber filter cotton, the filter screen consists of non-woven fabrics, and the activated carbon net consists of activated carbon.

Preferably, the combustor is installed to the one end of ventilation pipe, and the combustor is located the inside of heat-resisting layer, and the hair-dryer is installed to the other end of ventilation pipe, and the roof of ventilation pipe runs through and installs the gas connecting pipe, and the inboard of supporting seat runs through and installs row material pipe, and row material pipe is located the below of ventilation pipe.

Preferably, the top movable mounting of the assembly tube has the second assembly lid, and the air duct is installed on the top of second assembly lid, and the installation lid is installed to the output of air duct, and the inboard of installation lid has the installation tube through screw thread movable mounting, and three groups of active carbon adsorption nets are installed to the inboard of installation tube.

Preferably, the inside of smoke room runs through installs the filling tube, and the bottom of filling tube extends to the inside on heat-resisting layer, and the storage hopper is installed at the top of filling tube, and the connecting seat is installed to the inboard of storage hopper, and the fly leaf is installed at the top of connecting seat, and the bottom of fly leaf has the electric control pole through connecting piece swing joint, and the bottom of electric control pole is installed on the inner wall of storage hopper.

Preferably, the method for using the high-temperature roasting rotary kiln equipment comprises the following steps:

s1, a user inputs the lithium mineral which is crushed in advance into a storage hopper, the lithium mineral powder in the storage hopper is stored through the cooperation of a movable plate and the storage hopper, the input end of a shell is higher than the output end of the shell, an electric adjusting rod is shortened during roasting, the movable plate at the top is driven to move downwards, the movable plate uses a connecting seat as a circle center to adjust an angle, gaps are formed between the movable plate and the storage hopper, the lithium mineral powder is conveniently guided to be discharged downwards, the lithium mineral powder enters the inside of a feeding pipe under the influence of gravity, the output end of the feeding pipe extends into the inside of a heat-resistant layer, and the feeding pipe is convenient to guide materials to enter the inside of the heat-resistant layer;

s2, a variable frequency motor operates to drive a rotary shaft at an output end to rotate, the rotary shaft rotates to drive an outer driving gear to rotate, the driving gear rotates to drive a large gear ring to rotate through cooperation of an outer clamping groove and a clamping tooth, the large gear ring rotates to drive an inner shell to rotate, the shell rotates to drive two groups of wheel belts at the outer side to rotate, two groups of riding wheels are respectively mounted at the bottoms of the two groups of wheel belts to cooperatively support, the two groups of wheel belts smoothly rotate under cooperation of the riding wheels, when the shell needs to be reduced, a telescopic rod stretches to drive an anti-slip pad to move towards the wheel belts, and the anti-slip pad is clung to two sides of the wheel belts to achieve the purpose of reducing speed, so that the rotary kiln can keep safe rotation speed;

s3, the heat-resistant layer inside the shell rotates along with the rotation, and because the input end is high and the output end is low, lithium mineral powder moves towards the output end under the influence of gravity in the rotation process, a worker connects a gas connecting pipe with external gas supply equipment, meanwhile, the gas supply equipment injects gas into the ventilation pipe through the gas connecting pipe, meanwhile, the blower operates to absorb heat of external air, the air and the gas are transmitted into the combustor through the ventilation pipe, the gas enters the combustor, the gas is ignited by the combustor, the gas is combusted to spray flame through the combustor, the lithium mineral powder moving downwards is roasted through the flame, and meanwhile, the inside of the heat-resistant layer is in a high-temperature state, so that the lithium mineral powder is conveniently roasted;

s4, the roasted lithium mineral is influenced by gravity and enters the discharge pipe, the discharge pipe discharges the lithium mineral, a large amount of smoke dust is generated in the roasting process of the lithium mineral, the smoke dust moves upwards and is conveyed to the input end, the smoke extractor operates to generate suction, the smoke dust is extracted through the smoke exhaust pipe and enters the smoke extractor, the smoke dust and high-temperature gas are transmitted to the thermodynamic generator through the connecting pipe, so that heat enters the thermodynamic generator, the thermodynamic generator is internally provided with a steam generator and a generator, the internal energy of the steam pushes the fan blade to rotate, the generator is connected with the rotation of the generator, and the generator generates electricity, thereby achieving the purpose of recycling waste heat.

Preferably, in the step S4, the method further includes the following steps:

s41, the inside part of heat generator is consumed for gas temperature reduces, the inside of smoke and dust from going out the tobacco pipe is discharged, the inside of equipment pipe is gone into to the smoke and dust, the inside of fume through the ventilation net, upwards remove, the inside of fume entering filter cotton, will filter the macroparticle in the smoke and dust by filter cotton, then the smoke and dust upwards is filtered by the filter screen, the filter screen comprises the non-woven fabrics, fine granule in the smoke and dust, harmful substance and tiny impurity in the smoke and dust are filtered through the active carbon net, then the inside of installation pipe is passed through to the smoke and dust, adsorb the smoke and dust through the inside three sets of active carbon adsorption nets of installation pipe, avoid discharging by the smoke and dust impurity, environmental protection and workman' S health.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the thermodynamic power generator is arranged, the smoke extractor operates to generate suction force, smoke is extracted through the smoke exhaust pipe, the smoke enters the smoke extractor, the smoke extractor transmits the smoke and high-temperature hot gas into the thermodynamic power generator through the connecting pipe, so that heat enters the thermodynamic power generator, the steam generator and the power generator are arranged in the thermodynamic power generator, the fan blades are pushed to rotate by the internal energy of the steam, and the power generator is connected with the rotation of the power generator to generate power, so that the purpose of recycling waste heat is achieved, and the waste of heat is avoided.

2. According to the utility model, the active carbon adsorption net, the filter screen and the active carbon net are arranged, smoke is discharged from the interior of the smoke outlet pipe, the smoke upwards enters the assembly pipe, the smoke passes through the interior of the ventilation net and upwards moves, the smoke enters the interior of the filter cotton, the filter cotton filters large particles in the smoke, the smoke is upwards filtered by the filter screen, the filter screen consists of non-woven fabrics, fine particles in the smoke can be filtered by the active carbon net, harmful substances and tiny impurities in the smoke are filtered by the active carbon net, the smoke is then transmitted to the interior of the installation pipe through the air duct, and the smoke is adsorbed by the three groups of active carbon adsorption nets in the installation pipe, so that the discharge of the smoke impurities is avoided, and the surrounding environment and the health of workers are protected.

3. According to the rotary kiln, the telescopic rod and the anti-skid pad are arranged, the wheel belt is stably rotated under the cooperation of the riding wheels, when the shell needs to be reduced, the telescopic rod stretches to drive the anti-skid pad to move towards the wheel belt, the anti-skid pad is clung to the two sides of the wheel belt, the purpose of reducing the speed is achieved, and the rotary kiln can keep a safe rotating speed.

4. According to the lithium mineral powder storage device, the fan blades and the rotating rods are arranged, the movable plate and the storage hopper are matched to store internal lithium mineral powder, the input end of the shell is higher than the output end of the shell, the electric adjusting rod is shortened during roasting, the movable plate at the top end is driven to move downwards, the movable plate takes the connecting seat as the circle center to adjust the angle, a gap is formed between the movable plate and the storage hopper, and the lithium mineral feeding speed is convenient to control.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the front structure of the present utility model;

FIG. 3 is a schematic view of a support base according to the present utility model;

FIG. 4 is a schematic view of a large ring gear of the present utility model;

FIG. 5 is a schematic view of the insulation layer structure of the present utility model;

FIG. 6 is a schematic view of a smoke chamber structure according to the present utility model;

FIG. 7 is a schematic view of the mounting tube structure of the present utility model;

FIG. 8 is a schematic view of a filling tube according to the present utility model;

fig. 9 is a flowchart of the operation of the present utility model.

In the figure: 1. a housing; 2. a wheel belt; 3. a riding wheel; 4. a bearing rod; 5. a bearing seat; 6. a telescopic rod; 7. an anti-slip pad; 8. a fixing frame; 9. a variable frequency motor; 10. a rotation shaft; 11. a drive gear; 12. a support bracket; 13. a large gear ring; 14. a heat preservation layer; 15. a heat-resistant layer; 16. a support base; 17. a ventilation pipe; 18. a gas connection pipe; 19. a burner; 20. a blower; 21. a discharge pipe; 22. a first stop collar; 23. a second limiting ring; 24. a feeding tube; 25. a storage hopper; 26. a smoke exhaust pipe; 27. a smoke extractor; 28. a connecting pipe; 29. a thermal power generator; 30. a controller; 31. a smoke outlet pipe; 32. a first assembly cover; 33. assembling a tube; 34. a ventilation screen; 35. filtering cotton; 36. a filter screen; 37. an activated carbon net; 38. a second assembly cover; 39. an air duct; 40. a mounting cover; 41. installing a pipe; 42. an activated carbon adsorption net; 43. a smoke chamber; 44. a connecting seat; 45. a movable plate; 46. an electric adjusting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, an embodiment of the present utility model provides: the utility model provides a lithium mineral high temperature roasting rotary kiln equipment with waste heat recovery, includes casing 1, second spacing ring 23 is installed in the one end outside of casing 1, smoke chamber 43 is installed in the outside of second spacing ring 23, first spacing ring 22 is installed in the other end outside of casing 1, the outside of first spacing ring 22 has supporting seat 16 through bearing movable mounting, smoke chamber 43 is fixed subaerial, the inside of smoke chamber 43 supports inboard second spacing ring 23 through the bearing, smoke chamber 43 carries out spacingly to second spacing ring 23, supporting seat 16 is fixed subaerial simultaneously, supports inboard first spacing ring 22 by supporting seat 16, and it can steady rotation to guarantee casing 1 by supporting seat 16 and smoke chamber 43 cooperation.

The inner side of the smoke chamber 43 is provided with a smoke exhaust pipe 26 in a penetrating way, the smoke exhaust pipe 26 penetrates through the smoke chamber 43, one end of the smoke exhaust pipe 26 is inserted into the heat-resistant layer 15 to facilitate the transmission of smoke, one end of the smoke exhaust pipe 26 is provided with a smoke extractor 27, the output end of the smoke extractor 27 is provided with a connecting pipe 28, the smoke exhaust pipe 26 is connected with the smoke extractor 27, the smoke extractor 27 is connected with the connecting pipe 28, the connecting pipe 28 is communicated with a thermal generator 29, the output end of the connecting pipe 28 is provided with a thermal generator 29, the front side of the thermal generator 29 is provided with a controller 30, the top of the thermal generator 29 is provided with a smoke outlet pipe 31, the smoke extractor 27 operates to generate suction force, smoke is extracted through the smoke exhaust pipe 26, the smoke extractor 27 transmits smoke and high-temperature hot air into the thermal generator 29 through the connecting pipe 28 to enable heat to enter the thermal generator 29, the inside of the thermal power generator 29 is provided with a steam machine and a power generator, the internal energy of the steam is used for pushing the fan blades to rotate, the fan blades rotate together with the power generator, the power generator generates power, thereby achieving the purpose of recycling waste heat, the top end of the smoke outlet pipe 31 is provided with a first assembling cover 32, the top of the first assembling cover 32 is movably provided with a assembling pipe 33 through threads, the inside of the assembling pipe 33 is provided with a ventilation net 34, the top of the ventilation net 34 is provided with a filter cotton 35, the top of the filter cotton 35 is provided with a filter screen 36, the top of the filter screen 36 is provided with an active carbon net 37, the filter cotton 35, the filter screen 36 and the active carbon net 37 are positioned at the inner side of the assembling pipe 33, the filter cotton 35 is glass fiber filter cotton, the filter screen 36 is composed of non-woven fabrics, the top end of the assembling pipe 33 is movably provided with a second assembling cover 38, the top of the second assembly cover 38 is provided with the air duct 39, the output end of the air duct 39 is provided with the installation cover 40, the inner side of the installation cover 40 is movably provided with the installation pipe 41 through threads, the inner side of the installation pipe 41 is provided with three groups of activated carbon adsorption nets 42, the smoke outlet pipe 31 is fixedly connected with the first assembly cover 32, the first assembly cover 32 is movably connected with the assembly pipe 33, a user can conveniently assemble the first assembly cover 32 with the assembly pipe 33, the second assembly cover 38 is movably connected with the assembly pipe 33, the installation cover 40 is movably connected with the installation pipe, the later disassembly of the worker is convenient, the filter material is replaced, smoke is discharged from the inner part of the smoke outlet pipe 31, the smoke enters the inner part of the assembly pipe 33 upwards, the smoke passes through the ventilation net 34 and moves upwards, the smoke enters the inner part of the filter cotton 35, large particles in the smoke are filtered by the filter cotton 35, then the smoke is upwards filtered by the filter net 36, the fine particles in the smoke are composed of non-woven fabrics, the harmful substances and tiny impurities in the smoke are filtered by the activated carbon net 37, then the smoke and the harmful impurities are transmitted to the inner part of the installation pipe 33 through the air duct 39, the smoke outlet pipe 41 is discharged from the inner part of the installation pipe 41, the inside of the smoke outlet is prevented from being absorbed by the three groups of activated carbon adsorption nets 42, and the surrounding health of the worker is prevented;

the heat preservation 14 is installed to the inboard of casing 1, heat-resistant layer 15 is installed to the inboard of heat preservation 14, and casing 1 is fixed to the heat preservation 14 of inboard, and heat-resistant layer 15 is fixed to the heat-resistant layer 15 of inboard, and heat resistance is improved to heat-resistant layer 15 internally mounted resistant firebrick.

Two groups of wheel belts 2 are arranged on the outer side of the shell 1, riding wheels 3 are movably arranged on the lower surfaces of the two groups of wheel belts 2, bearing rods 4 are arranged on the inner sides of the riding wheels 3 in a penetrating mode, bearing blocks 5 are movably connected to the two ends of the bearing rods 4, telescopic rods 6 are arranged on the inner walls of the two sides of the bearing blocks 5 in a penetrating mode, anti-slip mats 7 are arranged at one ends of the telescopic rods 6, the anti-slip mats 7 are positioned on the two sides of the wheel belts 2, fixing frames 8 are arranged at the bottoms of the bearing blocks 5, the fixing frames 8 fix the bearing blocks 5 on the tops, stability of the bearing blocks 5 is guaranteed, the bearing blocks 5 support bearing rods 4 and telescopic rods 6 on the inner sides, the bearing rods 4 support the riding wheels 3 on the outer sides, the riding wheels 3 can rotate stably, large gear rings 13 are arranged on the outer sides of the shell 1 and positioned between the two groups of wheel belts 2, the top of the fixed frame 8 is provided with a supporting bracket 12, the supporting bracket 12 is positioned at one side of the bearing seat 5, the inner side of the supporting bracket 12 is provided with a rotating shaft 10 in a penetrating way, the outer side of the rotating shaft 10 is provided with a driving gear 11, a clamping groove of the driving gear 11 is mutually matched with a clamping groove of a large gear ring 13, a clamping groove of the driving gear 11 is mutually matched with a clamping groove of the large gear ring 13, a clamping tooth on the driving gear 11 is mutually meshed with a clamping tooth on the large gear ring 13, a belt 2 is tightly attached to the riding wheel 3, one end of the rotating shaft 10 is provided with a variable frequency motor 9, the variable frequency motor 9 is arranged at the top of the fixed frame 8, the variable frequency motor 9 can stably run, the variable frequency motor 9 runs to drive the rotating shaft 10 of an output end to rotate, the rotating shaft 10 drives the driving gear 11 at the outer side to rotate, the driving gear 11 is driven by the clamping groove at the outer side and the clamping tooth of the large gear ring 13 to rotate, the bull gear 13 rotates and drives the casing 1 of inboard to rotate, and casing 1 rotates and drives two sets of wheel belts 2 in the outside and rotate, and two sets of riding wheels 3 cooperation supports are installed respectively to the bottom of two sets of wheel belts 2, and two sets of wheel belts 2 steadily rotate under the cooperation of riding wheels 3, when casing 1 needs to reduce, telescopic link 6 extension drives slipmat 7 to the direction removal of wheel belt 2, hugs closely in the both sides of wheel belt 2 by slipmat 7, reaches the purpose of slowing down, guarantees that the rotary kiln can keep safe rotational speed.

The inside of supporting seat 16 runs through and installs ventilation pipe 17, the combustor 19 is installed to the one end of ventilation pipe 17, combustor 19 is located the inside of heat-resisting layer 15, air blower 20 is installed to the other end of ventilation pipe 17, the roof of ventilation pipe 17 runs through and installs gas connecting pipe 18, be connected with outside gas supply equipment with gas connecting pipe 18, simultaneously gas supply equipment is with gas injection to the inside of ventilation pipe 17 through gas connecting pipe 18, simultaneously the operation of air blower 20 absorbs heat with outside air, air and gas are transmitted to the inside of combustor 19 by ventilation pipe 17, the gas enters into the inside of combustor 19, fire the gas by combustor 19, the gas burns and spouts the flame through combustor 19, the lithium mineral powder that moves downwards is roasted through the flame, simultaneously make the inside of heat-resisting layer 15 be in the high temperature state, the convenience is roasted lithium mineral powder, the inboard of supporting seat 16 runs through and installs row material pipe 21, row material pipe 21 is located the below ventilation pipe 17, discharge the article that is accomplished by row material pipe 21.

The inside of smoke chamber 43 runs through and installs filling tube 24, the inside of heat-resisting layer 15 is extended to the bottom of filling tube 24, storage hopper 25 is installed at the top of filling tube 24, connecting seat 44 is installed to the inboard of storage hopper 25, movable plate 45 is installed at the top of connecting seat 44, the bottom of movable plate 45 has electric adjustment pole 46 through connecting piece swing joint, the bottom of electric adjustment pole 46 is installed on the inner wall of storage hopper 25, smoke chamber 43 is fixed filling tube 24, guarantee the stability of filling tube 24, the lithium mineral of smashing in advance is thrown into the inside of storage hopper 25, through movable plate 45 and storage hopper 25 cooperation to inside lithium mineral powder store, the input of casing 1 is higher than the output of casing 1, electric adjustment pole 46 shortens when the calcination, drive the movable plate 45 at top and move down, movable plate 45 uses connecting seat 44 as centre of a circle angle adjustment, make the gap appear between movable plate 45 and the storage hopper 25, conveniently guide lithium mineral powder to discharge downwards, lithium mineral powder is influenced by gravity and gets into the inside of filling tube 24, the inside of filling tube 24 extends to heat-resisting layer 15, conveniently guide the inside of filling tube 24 gets into the inside of layer 15.

Further, the using method of the high-temperature roasting rotary kiln equipment comprises the following steps:

s1, a user inputs the lithium minerals which are crushed in advance into the storage hopper 25, the lithium minerals are stored through the cooperation of the movable plate 45 and the storage hopper 25, the input end of the shell 1 is higher than the output end of the shell 1, the electric adjusting rod 46 is shortened during roasting, the movable plate 45 at the top is driven to move downwards, the movable plate 45 takes the connecting seat 44 as a circle center to adjust the angle, gaps are formed between the movable plate 45 and the storage hopper 25, the lithium minerals are conveniently led to be discharged downwards, the lithium minerals enter the feeding tube 24 under the influence of gravity, the output end of the feeding tube 24 extends into the heat-resistant layer 15, and the feeding tube 24 is conveniently led to be led to enter the heat-resistant layer 15;

s2, a variable frequency motor 9 operates to drive a rotary shaft 10 at an output end to rotate, the rotary shaft 10 rotates to drive a driving gear 11 at the outer side to rotate, the driving gear 11 rotates to drive a large gear ring 13 to rotate through cooperation of a clamping groove and a clamping tooth at the outer side, the large gear ring 13 rotates to drive a shell 1 at the inner side to rotate, the shell 1 rotates to drive two groups of wheel belts 2 at the outer side to rotate, two groups of riding wheels 3 are respectively installed at the bottoms of the two groups of wheel belts 2 to cooperatively support, the two groups of wheel belts 2 rotate stably under cooperation of the riding wheels 3, when the shell 1 needs to be reduced, a telescopic rod 6 stretches to drive an anti-slip pad 7 to move towards the wheel belts 2, and the anti-slip pad 7 is tightly attached to two sides of the wheel belts 2 to achieve the purpose of reducing speed, so that the rotary kiln can keep safe rotation speed;

s3, the heat-resistant layer 15 inside the shell 1 rotates along with the rotation, and because the input end is high and the output end is low, lithium mineral powder moves towards the output end under the influence of gravity in the rotation process, a worker connects the gas connecting pipe 18 with external gas supply equipment, meanwhile, the gas supply equipment injects gas into the inside of the ventilation pipe 17 through the gas connecting pipe 18, meanwhile, the blower 20 operates to absorb heat of external air, the air and the gas are transmitted into the combustor 19 through the ventilation pipe 17, the gas enters into the combustor 19, the combustor 19 ignites the gas, the gas burns out flame through the combustor 19, the lithium mineral powder moving downwards is roasted through the flame, and meanwhile, the inside of the heat-resistant layer 15 is in a high-temperature state, so that the lithium mineral powder is conveniently roasted;

s4, the roasted lithium mineral enters the discharge pipe 21 under the influence of gravity, the lithium mineral is discharged through the discharge pipe 21, a large amount of smoke dust is generated in the roasting process of the lithium mineral, the smoke dust moves upwards and is conveyed to the input end, the smoke extractor 27 operates to generate suction force, the smoke dust is extracted through the smoke exhaust pipe 26, the smoke dust enters the smoke extractor 27, the smoke dust and high-temperature hot gas are transmitted into the thermal generator 29 through the connecting pipe 28, so that heat enters the thermal generator 29, a steam engine and a generator are arranged in the thermal generator 29, the fan blades are pushed to rotate by the internal energy of the steam, and the generator is connected with the rotation of the fan blades to generate electricity, so that the purpose of recycling waste heat is achieved.

10. The method for using the lithium mineral high-temperature roasting rotary kiln equipment with waste heat recovery according to claim 9, wherein the method comprises the following steps of;

in the step S4, the method further includes the following steps:

s41, part of heat in the heat power generator 29 is consumed, so that the gas temperature is reduced, smoke is discharged from the interior of the smoke outlet pipe 31, the smoke upwards enters the interior of the assembly pipe 33, the smoke passes through the interior of the ventilation net 34 and upwards moves, the smoke enters the interior of the filter cotton 35, large particles in the smoke are filtered by the filter cotton 35, then the smoke is upwards filtered by the filter screen 36, the filter screen 36 consists of non-woven fabrics, fine particles in the smoke can be filtered by the active carbon net 37, harmful substances and tiny impurities in the smoke are filtered, then the smoke is transmitted into the interior of the installation pipe 41 through the air duct 39, and the smoke is adsorbed by the three groups of active carbon adsorption nets 42 in the interior of the installation pipe 41, so that the discharge of the smoke impurities is avoided, and the surrounding environment and the health of workers are protected.

Working principle: during roasting, the electric adjusting rod 46 is shortened, the movable plate 45 at the top is driven to move downwards, the movable plate 45 takes the connecting seat 44 as the center of a circle to adjust the angle, gaps appear between the movable plate 45 and the storage hopper 25, lithium mineral powder is conveniently guided to be discharged downwards, the lithium mineral powder enters the inside of the feeding tube 24 under the influence of gravity, the output end of the feeding tube 24 extends to the inside of the heat-resistant layer 15, the feeding tube 24 is conveniently guided to enter the inside of the heat-resistant layer 15, the variable frequency motor 9 operates to drive the rotary shaft 10 at the output end to rotate, the rotary shaft 10 rotates to drive the driving gear 11 at the outer side to rotate, the driving gear 11 rotates to drive the large gear ring 13 to rotate through the cooperation of the clamping grooves and the clamping teeth at the outer side, the large gear ring 13 rotates to drive the inner side shell 1 to rotate, the shell 1 rotates to drive the outer two groups of belt wheels 2, the bottoms of the two groups of belt wheels 2 are respectively provided with two groups of riding wheels 3 to be supported in a cooperation, the two groups of belts 2 rotate steadily under the cooperation of the riding wheels 3, the heat-resistant layer 15 inside the shell 1 rotates along with the rotation, lithium mineral powder moves to the output end under the influence of gravity in the rotation process due to the fact that the input end is high and the output end is low, a worker connects the gas connecting pipe 18 with external gas supply equipment, the gas supply equipment injects gas into the interior of the ventilation pipe 17 through the gas connecting pipe 18, the blower 20 operates to absorb heat of external air, the air and the gas are transmitted into the combustor 19 through the ventilation pipe 17, the gas enters into the combustor 19, the combustor 19 ignites the gas, the gas burns out flame through the combustor 19, the lithium mineral powder moving downwards is roasted through the flame, and meanwhile the interior of the heat-resistant layer 15 is in a high-temperature state, the lithium mineral powder is conveniently roasted.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. Lithium mineral high temperature roasting rotary kiln equipment with waste heat recovery, including casing (1), its characterized in that: a second limiting ring (23) is arranged at the outer side of one end of the shell (1), a smoke chamber (43) is arranged at the outer side of the second limiting ring (23), a smoke exhaust pipe (26) is arranged at the inner side of the smoke chamber (43) in a penetrating mode, a smoke extractor (27) is arranged at one end of the smoke exhaust pipe (26), a connecting pipe (28) is arranged at the output end of the smoke extractor (27), a thermal generator (29) is arranged at the output end of the connecting pipe (28), and a controller (30) is arranged at the front side of the thermal generator (29);

the utility model discloses a heat preservation, including casing (1), heat preservation (14) are installed to the inboard of casing (1), heat-resistant layer (15) are installed to the inboard of heat preservation (14), two sets of wheel area (2) are installed in the outside of casing (1), two sets of lower surface movable mounting of wheel area (2) has riding wheel (3), bearing rod (4) are installed in the inboard penetration of riding wheel (3), the both ends swing joint of bearing rod (4) has bearing frame (5), telescopic link (6) are installed in the both sides inner wall penetration of bearing frame (5), slipmat (7) are installed to the one end of telescopic link (6), and slipmat (7) are located the both sides of wheel area (2), mount (8) are installed to the bottom of bearing frame (5).

2. The lithium mineral high-temperature roasting rotary kiln apparatus with waste heat recovery according to claim 1, wherein: the utility model discloses a gear rack, including casing (1), gear rack (13), support bracket (12), rotation axis (10), driving gear (11), gear rack (10) and gear rack (13) are installed in the outside of casing (1), and gear rack (13) are located between two sets of wheel belts (2), and supporting bracket (12) are installed at the top of mount (8), and rotation axis (10) are installed in the inboard penetration of supporting bracket (12), and gear rack (13) are mutually adapted in the draw-in groove of driving gear (11), and inverter motor (9) are installed at the top of mount (8) to the one end of rotation axis (10).

3. The lithium mineral high-temperature roasting rotary kiln apparatus with waste heat recovery according to claim 1, wherein: the novel air conditioner is characterized in that a first limiting ring (22) is arranged on the outer side of the other end of the shell (1), a supporting seat (16) is movably arranged on the outer side of the first limiting ring (22) through a bearing, and a ventilation pipe (17) is arranged on the inner side of the supporting seat (16) in a penetrating mode.

4. The lithium mineral high-temperature roasting rotary kiln apparatus with waste heat recovery according to claim 1, wherein: the top of heat generator (29) is installed out tobacco pipe (31), and first equipment lid (32) are installed on the top of going out tobacco pipe (31), and the top of first equipment lid (32) is through screw movable mounting has equipment pipe (33), and internally mounted of equipment pipe (33) has ventilation net (34), and filter pulp (35) are installed at the top of ventilation net (34), and filter screen (36) are installed at the top of filter pulp (35), and active carbon net (37) are installed at the top of filter screen (36).

5. The lithium mineral high-temperature roasting rotary kiln apparatus with waste heat recovery according to any one of claims 2 and 4, wherein: the clamping groove of the driving gear (11) is matched with the clamping groove of the large gear ring (13), the clamping teeth on the driving gear (11) are meshed with the clamping teeth on the large gear ring (13), and the belt (2) is tightly attached to the riding wheel (3);

the filter cotton (35), the filter screen (36) and the activated carbon net (37) are positioned on the inner side of the assembly tube (33), the filter cotton (35) is glass fiber filter cotton, the filter screen (36) is composed of non-woven fabrics, and the activated carbon net (37) is composed of activated carbon.

6. The lithium mineral high-temperature roasting rotary kiln apparatus with waste heat recovery according to claim 1, wherein: the burner (19) is installed to one end of ventilation pipe (17), and combustor (19) are located the inside of heat-resisting layer (15), and hair-dryer (20) are installed to the other end of ventilation pipe (17), and gas connecting pipe (18) are installed in the roof penetration of ventilation pipe (17), and discharge pipe (21) are installed in the inboard penetration of supporting seat (16), and discharge pipe (21) are located the below of ventilation pipe (17).

7. The lithium mineral high-temperature roasting rotary kiln apparatus with waste heat recovery according to claim 4, wherein: the top movable mounting of equipment pipe (33) has second equipment lid (38), and air duct (39) are installed on the top of second equipment lid (38), and installation lid (40) are installed to the output of air duct (39), and install tube (41) through screw thread movable mounting in the inboard of installation lid (40), and three groups of active carbon adsorption net (42) are installed to the inboard of installation tube (41).

8. The lithium mineral high-temperature roasting rotary kiln apparatus with waste heat recovery according to claim 1, wherein: the inside of smoke chamber (43) runs through installs filling tube (24), and inside heat-resisting layer (15) is extended to the bottom of filling tube (24), and storage hopper (25) are installed at the top of filling tube (24), and connecting seat (44) are installed to the inboard of storage hopper (25), and fly leaf (45) are installed at the top of connecting seat (44), and electric control pole (46) are passed through connecting piece swing joint in the bottom of fly leaf (45), and the bottom of electric control pole (46) is installed on the inner wall of storage hopper (25).

9. The method of using a lithium mineral high temperature roasting rotary kiln plant with waste heat recovery according to any one of claims 1 to 8, characterized in that the method of using the high temperature roasting rotary kiln plant is as follows:

s1, a user inputs the lithium minerals which are crushed in advance into a storage hopper (25), the lithium minerals are stored in the storage hopper (25) through the matching of a movable plate (45) and the storage hopper (25), the input end of the shell (1) is higher than the output end of the shell (1), an electric adjusting rod (46) is shortened during roasting, the movable plate (45) at the top end is driven to move downwards, the movable plate (45) takes a connecting seat (44) as a circle center to adjust an angle, gaps are formed between the movable plate (45) and the storage hopper (25), the lithium minerals are conveniently guided to be discharged downwards, the lithium minerals enter the feeding pipe (24) under the influence of gravity, the output end of the feeding pipe (24) extends to the inside of the heat-resistant layer (15), and the feeding pipe (24) guides materials to enter the inside of the heat-resistant layer (15);

s2, a variable frequency motor (9) operates to drive a rotating shaft (10) at an output end to rotate, the rotating shaft (10) rotates to drive a driving gear (11) at the outer side to rotate, the driving gear (11) rotates to drive a large gear ring (13) to rotate through the cooperation of a clamping groove and a clamping tooth at the outer side, the large gear ring (13) rotates to drive a shell (1) at the inner side to rotate, the shell (1) rotates to drive two groups of belt wheels (2) at the outer side to rotate, two groups of riding wheels (3) are respectively mounted at the bottoms of the two groups of belt wheels (2) to cooperatively support, the two groups of belt wheels (2) rotate steadily under the cooperation of the riding wheels (3), and when the shell (1) needs to be reduced, a telescopic rod (6) stretches to drive an anti-slip pad (7) to move towards the direction of the belt wheels (2), and the two sides of the belt wheels (2) are tightly attached by the anti-slip pad (7) to be decelerated;

s3, the heat-resistant layer (15) inside the shell (1) rotates along with the rotation, the lithium mineral powder moves towards the output end under the influence of gravity in the rotation process due to the fact that the input end is high and the output end is low, a worker connects the gas connecting pipe (18) with external gas supply equipment, meanwhile, the gas supply equipment injects gas into the interior of the ventilation pipe (17) through the gas connecting pipe (18), meanwhile, the blower (20) operates to absorb heat of external air, the ventilation pipe (17) transmits the air and the gas into the combustor (19), the gas enters the combustor (19), the combustor (19) ignites the gas, the gas burns to spray flame through the combustor (19), and the lithium mineral powder moving downwards is roasted through the flame, and meanwhile, the interior of the heat-resistant layer (15) is in a high-temperature state;

s4, the roasted lithium mineral enters the discharge pipe (21) under the influence of gravity, the discharge pipe (21) discharges the lithium mineral, a large amount of smoke dust is generated in the roasting process of the lithium mineral, the smoke dust moves upwards and is conveyed to the input end, the smoke extractor (27) operates to generate suction, the smoke dust is extracted through the smoke exhaust pipe (26), the smoke dust enters the smoke extractor (27), the smoke dust and high-temperature air are transmitted to the inside of the thermal generator (29) through the connecting pipe (28), the heat enters the inside of the thermal generator (29), the inside of the thermal generator (29) is provided with a steam engine and a generator, the fan blades are pushed to rotate by the internal energy of the steam, and the generator is connected to generate electricity.

10. The method for using the lithium mineral high-temperature roasting rotary kiln equipment with waste heat recovery according to claim 9, wherein the method comprises the following steps of;

in the step S4, the method further includes the following steps:

s41, the heat of the interior of the heat power generator (29) is partially consumed, so that the gas temperature is reduced, smoke is discharged from the interior of the smoke outlet pipe (31), the smoke upwards enters the interior of the assembly pipe (33), the smoke upwards moves through the interior of the ventilation net (34), the smoke enters the interior of the filter cotton (35), large particles in the smoke are filtered by the filter cotton (35), then the smoke upwards is filtered by the filter screen (36), the filter screen (36) is composed of non-woven fabrics, fine particles in the smoke can be filtered by the active carbon net (37), harmful substances and tiny impurities in the smoke are filtered, then the smoke is transmitted into the interior of the installation pipe (41) through the air duct (39), and the smoke is adsorbed by the three groups of active carbon adsorption nets (42) in the installation pipe (41).

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