CN201332115Y - Atmosphere grinding and sintering integrated stove - Google Patents
Atmosphere grinding and sintering integrated stove Download PDFInfo
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- CN201332115Y CN201332115Y CNU2009200672658U CN200920067265U CN201332115Y CN 201332115 Y CN201332115 Y CN 201332115Y CN U2009200672658 U CNU2009200672658 U CN U2009200672658U CN 200920067265 U CN200920067265 U CN 200920067265U CN 201332115 Y CN201332115 Y CN 201332115Y
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Abstract
An atmosphere grinding and sintering integrated stove is mainly used in powder production field, such as lithium battery cathode material and so on; the existing equipments have single function, low efficiency and bad product quality. The utility model mainly comprises a stove system which includes a sealed stove tube having a material inlet/outlet, the stove tube being arranged on an elastic support and the stove being attached with a heater; an atmosphere system which includes an air inlet/outlet on the stove tube, a gas valve connected with the air inlet/outlet, a gas supply source or a vacuum pump; and a grinding system which includes grinding medium flowing in the stove tube and a driving apparatus connected with the stove tube. The utility model can simultaneously perform grinding and sintering treatment on materials in the stove tube under the atmosphere control, so as to increase equipment functions, improve efficiency, fast and uniformly heat materials in the stove tube, achieve small granularity and high uniform purity, and improve product quality.
Description
Technical field
The utility model relates to lithium cell anode material of lithium iron phosphate powder production technical field
Background technology
Present industrial production lithium cell anode material of lithium iron phosphate powder, what generally adopt is that various composition raw materials mix by ball mill mixing refinement, forwards in the sintering furnace through transferring equipment that sintering forms under atmosphere protection to.Sintering furnace divides static furnace again, is mainly pusher furnace, prepares the research (Chen Guohong etc., electronics industry special equipment, 2006 total the 141st phases) of equipment as the lithium-ion-power cell material ferric lithium phosphate; LiFePO4 agglomerating plant--the development (Lee strives, electronics industry special equipment, 2007 total the 150th phases) of the two pushed bat kilns of full fiber material atmosphere.Dynamically stove is mainly rotary furnace, as polygonal cross-section boiler tube continous way rotary furnace (China Patent No.: ZL200720031926.2.); The continuous external-heat atmosphere protection of heating resisting metal boiler tube rotary furnace (China Patent No.: ZL200720032095.0.).
These static furnaces, be placed on during the material sintering in the alms bowl body, material is in relative static conditions, and heat conduction from outside to inside, heat transfer rate is slow, inside and outside the inequality of being heated, it is insufficient to absorb heat, each composition of material can not fully be reacted, it is long that material is fired the cycle, material is placed in the alms bowl body that contaminated chance is big, and purity is not high, and equipment effectiveness is low; Ultra-fine material is heated and easily is agglomerated into bulky grain, the product granularity inequality of burning till; And the lasting input and output material of pusher furnace makes furnace sealing relatively poor continuously.The dynamic rotation stove, though can be by rotating boiler tube and scraper plate being set in boiler tube and boiler tube is made section polygon, material is overturn, but because the restriction of body of heater input and output material section and bringing-up section static and dynamic sealing interface, boiler tube rotating speed low (less than 10 rev/mins), materials overturning still is not very fast, and the material agglomeration still can not finely solve, and the product that burns till is the granularity inequality still; The material heat transfer rate, inside and outside the heat absorption of being heated still undesirable, each composition of material still can not fully be reacted, and is prone to folder and burns, simultaneously because the boiler tube pipe shaft is long, material is translational speed and inconsistent in pipe, and is also just inconsistent to the duration that is heated that goes out pipe from inlet pipe, is prone to give birth to burning, burning, and boiler tube and two input and output material section static and dynamic sealing interface reality of rotation usually seal relatively poor, the product that burns till so still purity is not high, and it is still longer that material is fired the cycle, and equipment effectiveness is low; Whole production flow process process is ground, transfer, and many complete equipments such as heating make that also material probability contaminated and waste is big.
The utility model content
Want further to improve the quality of products, improve equipment effectiveness, must solve above-mentioned following technical problem: 1. heat transfer rate is slow during the material sintering, the insufficient problem of inhomogeneous heat absorption of being heated; 2. the easy agglomerated particle of material becomes big problem; 3. existing agglomerating plant sealing effectiveness difference problem; 4. whole process of production must be used grinding, transfer, many complete equipments of heating problem.
Press the utility model, above-mentioned technical problem is to solve like this, and this atmosphere grinding and sintering integrated furnace has system of bf body to comprise the boiler tube of sealing, and the feed inlet and outlet on the boiler tube, boiler tube are placed on the elastic support; The atmosphere system comprises porting on the boiler tube and the air valve that links with it, air supply source or vacuum pump; It is characterized in that also having: system of bf body is with heater, grinding system; Described grinding system comprises abrasive media that moves in the boiler tube and the drive unit that links with boiler tube.
Just make atmosphere grinding and sintering integrated furnace by such scheme, at first to vacuumize or feed desired gas in the boiler tube with vacuum pump, start the drive unit that links with boiler tube and make abrasive media generation high speed irregular movement in the boiler tube, to material produce strong wallop and shearing force with improved grinding after suitable degree, opening heater heats material simultaneously, material is vibrated in boiler tube and bump and high-speed motion, fully contact with abrasive media with the tube wall that is heated, make material evenly fully be heated fast.And the abrasive media of high-speed motion produce powerful impulsive force and shearing force with bulky grain in the material of reuniting shear break up diminish simultaneously that the material of quick thermally equivalent is further levigate.So no boiler tube input and output material section and bringing-up section static and dynamic sealing interface in the utility model, and disposable feeding intake are whole boiler tube good airproof performance.Improved grinding, sintering, atmosphere control are carried out in same boiler tube of the present utility model jointly, have solved in the whole production flow process and must use many complete equipments problems such as grinding, transfer, heating.
The drive unit of the utility model atmosphere grinding and sintering integrated furnace can be the eccentric wheel type vibrator that rigidity is installed in furnace tube outer wall, and it links by shaft coupling and variable-frequency motor, on the rack-mount or boiler tube of variable-frequency motor.Shaft coupling is a spring coupling,
Variable-frequency motor also can change common electric machine into, is installed on the boiler tube as variable-frequency motor also can connect with positive coupling and vibrator.
The drive unit of the utility model atmosphere grinding and sintering integrated furnace also can be installed in the electromagnetic vibrator of furnace tube outer wall for rigidity.
The drive unit of the utility model atmosphere grinding and sintering integrated furnace also can be installed in the Pneumatic vibrator of furnace tube outer wall for rigidity, and it links by wireway and air pump.
The drive unit of the utility model atmosphere grinding and sintering integrated furnace also can be installed in the formula vibrator that surges of furnace tube outer wall for rigidity, and it links by water pipe and hydraulic pump circulation.
The drive unit of the utility model atmosphere grinding and sintering integrated furnace also can be for being installed in the blender in the boiler tube, blender links by the variable-frequency motor outside shaft coupling and the boiler tube, variable-frequency motor has seal closure outward, and variable-frequency motor is fixed in the seal closure, and seal closure is fixed on boiler tube one end.Described blender is the fence type structure, also can be leaf structure.Variable-frequency motor also can change common electric machine into and add speed changer.Shaft coupling can be spring coupling or positive coupling.
The drive unit of the utility model atmosphere grinding and sintering integrated furnace also can be for being installed in the variable-frequency motor on the boiler tube support arm, and variable-frequency motor links by spring coupling and the central rotating shaft that passes boiler tube, and whole boiler tube rotates with rotating shaft.Variable-frequency motor also can change common electric machine into and add speed changer.
The boiler tube of the utility model atmosphere grinding and sintering integrated furnace is the cylindricality alloy vessel of fire-resistant abrasion-proof sealing, the optional 310s stainless steel of fire-resistant abrasion-proof metal or contain the molybdenum alloy of little tantalum, zirconium, chromium, the cross section can be circle, ellipse or polygon, boiler tube inwall can be equipped with aluminium oxide or zirconia ceramics fire-resistant abrasion-proof inner lining.
The abrasive media that moves in the utility model atmosphere grinding and sintering integrated furnace boiler tube be several hardness Mo Shi more than 6.5 grades, more than fusing point 1000 degree Celsius, spheroid, ellipsoid or the polyhedron of volume below 100 cubic centimetres.Usually select aluminium oxide or zirconia ball, the about boiler tube total capacity of ball load half.
The utility model adopts the eccentric wheel type vibrator; The atmosphere grinding and sintering integrated furnace heater that electromagnetic vibrator or Pneumatic vibrator drive can be for settling a refractory metal pipe at the boiler tube axial line, and two ends are furnace tube outer wall fixedly, and the inside is placed some electrothermal tubes and tamped sealing by magnesia powder.Described electrothermal tube is the electrothermal tube of built-in resistor silk.
The utility model adopts the eccentric wheel type vibrator; The atmosphere grinding and sintering integrated furnace heater that electromagnetic vibrator or Pneumatic vibrator drive also can on furnace tube outer wall around or along the electrothermal tube of direction of axis line secured in parallel built-in resistor silk.
The atmosphere grinding and sintering integrated furnace heater that the utility model adopts eccentric wheel type vibrator, electromagnetic vibrator or Pneumatic vibrator to drive also can be for settling a refractory metal pipe at the boiler tube axial line, two ends are furnace tube outer wall fixedly, the electrothermal tube that some built-in resistor silks are placed in the inside tamp sealing by magnesia powder and on furnace tube outer wall around or along the electrothermal tube of direction of axis line secured in parallel built-in resistor silk.
The atmosphere grinding and sintering integrated furnace heater that the utility model adopts built-in blender on furnace tube outer wall around or along the electrothermal tube of direction of axis line secured in parallel built-in resistor silk; Or along the electrical bar of direction of axis line secured in parallel, described electrical bar is the resistance heating rod of tungstenic, molybdenum, silicon or chromium.
The utility model adopts the electrical bar of atmosphere grinding and sintering integrated furnace heater for not rotating with boiler tube of boiler tube rotation outside boiler tube, around the heat-insulation layer that is placed on the support is arranged around the boiler tube, described electrical bar is fixed on the heat-insulation layer inwall, and described electrical bar is the resistance heating rod of tungstenic, molybdenum, silicon or chromium.
The utility model adopts the atmosphere grinding and sintering integrated furnace heater of built-in blender or boiler tube rotation for to settle combustion heater or fuel heater, described combustion heater or fuel heater to comprise the combustion chamber around boiler tube outside boiler tube; Evenly be placed in bocca in the combustion chamber and the controller outside the combustion chamber.
The furnace tube outer wall of the utility model atmosphere grinding and sintering integrated furnace is equipped with cooling water jacket or temperature drop pipe.
The charging aperture of the boiler tube of the utility model atmosphere grinding and sintering integrated furnace is added with funnel during charging above boiler tube; The discharging opening of boiler tube is below boiler tube, and discharging opening is equipped with the fire-resistant abrasion-proof filter disc, and seal cover is housed during the feed inlet and outlet inoperative.
The utility model atmosphere grinding and sintering integrated furnace is equipped with lowering or hoisting gear on the support of the discharging opening other end, can be fluid pressure type or sped structure.
The utility model atmosphere grinding and sintering integrated furnace is to connect more than two with the air valve that exhaust outlet links.Air valve can adopt check-valves or minute-pressure safety valve, and the pressure of two air valves equates.
Vibrator used in the utility model atmosphere grinding and sintering integrated furnace can be single use, also can be a plurality of up and down one group of driven in synchronism.
The utility model atmosphere grinding and sintering integrated furnace is installed in boiler tube one side as what adopt vibrator off-centre, and then the boiler tube opposite side is equipped with equalizing feature, and equalizing feature can be a balance weight, and balance weight also can change the body of heater that quality equates into.
The utility model atmosphere grinding and sintering integrated furnace is installed in boiler tube one side as what adopt vibrator off-centre, then the boiler tube opposite side is equipped with equalizing feature, they are placed on the support spring of support, the axis of one side support spring is between the gravity axis of boiler tube and vibrator, and the axis of opposite side support spring is between the gravity axis of boiler tube and equalizing feature.
The utility model atmosphere grinding and sintering integrated furnace drives as adopting vibrator, also can be in the horizontal both sides of vibrator, and the body of heater that two quality of arranged parallel equate.
Variable-frequency motor can be water-cooled or oil-cooled motor in the utility model atmosphere grinding and sintering integrated furnace, and variable-frequency motor also can be other buncher.
The body of heater of the utility model atmosphere grinding and sintering integrated furnace expands with heat and contract with cold and regulates by the spring on the elastic support.
The utility model compared with prior art has following four big advantages:
One: product quality improves.In the utility model device, mixing of materials is heated evenly sufficient reacting, can reduce the generation of dephasign.And agglomeration is controlled with the long-time grinding that continues and is made the relative littler more homogeneous of material particular diameter.For the positive level of lithium battery material ferric lithium phosphate, its particle diameter is more little, and the battery specific capacity is big more, and performance is excellent more.
Two: the usefulness production capacity improves.Material is heated rapidly, heat absorption fully, mix fast evenly, and material carries out mechanical lapping to it when being subjected to thermal response, reduced the required activation energy of material solid phase reaction, make material reaction accelerate, temperature required reduction, the reaction time shortens, and the boiler tube capacity can be raised to thousands of liters from number, the usefulness production capacity improves, and energy-saving effect is obvious.
Three: operating cost is low.Can see that from this explanation the utility model does not have rotary furnace static and dynamic sealing interface, no rotary furnace, advancing specially of pusher furnace. send. discharge system, alms bowl body between no grinder and the sintering furnace, alms bowl frame, transferring equipment such as carrying implement are not so have the maintenance and the replacing of these parts and equipment, cost saving.Can see that from above-mentioned flow process material is all finished equipment of the utility model from being dosed into out finished product, the labour has greatly been saved in the repeatedly transfer of no material.Just there be not simultaneously being stained with in a large number of material, the powder pollution of running waste and environment being hanked yet.The utility model adopts the turnover of material disposable integral, can be chosen in paddy electricity period production every day, can reduce half left and right sides power consumption cost.
Four: equipment investment is low.The positive level of traditional lithium battery material ferric lithium phosphate production preparation needs milling apparatus, transferring equipment, three kinds of agglomerating plants.And the utility model only needs atmosphere grinding and sintering integrated furnace a kind of, so cost of investment is about half of legacy equipment.
Description of drawings
Fig. 1: the cut-away view that the utility model atmosphere grinding and sintering integrated furnace in-built electrical heater eccentric wheel type vibrator drives.
Fig. 2: the side diagrammatic sketch that the utility model atmosphere grinding and sintering integrated furnace in-built electrical heater eccentric wheel type vibrator drives.
Fig. 3: the cut-away view that the utility model atmosphere grinding and sintering integrated furnace electromagnetic vibrator drives.
Fig. 4: the cut-away view that the utility model atmosphere grinding and sintering integrated furnace Pneumatic vibrator drives.
Fig. 5: the schematic diagram that the external electric heater eccentric wheel type of the utility model atmosphere grinding and sintering integrated furnace vibrator drives.
Fig. 6: the schematic diagram of all settling electric heater inside and outside the utility model atmosphere grinding and sintering integrated furnace.
Fig. 7: the utility model atmosphere grinding and sintering integrated furnace adopts the cut-away view that blender is installed in the external electric heater boiler tube.
Fig. 8: the utility model atmosphere grinding and sintering integrated furnace adopts the side diagrammatic sketch that blender is installed in the external electric heater boiler tube.
Fig. 9: the utility model grinding and sintering atmosphere all-in-one oven adopts electrical bar to be fixed on the cut-away view of heat-insulation layer inwall boiler tube rotation.
Figure 10: the utility model atmosphere grinding and sintering integrated furnace adopts electrical bar to be fixed on the side diagrammatic sketch of heat-insulation layer inwall boiler tube rotation.
Figure 11: the utility model atmosphere grinding and sintering integrated furnace adopts the cut-away view of combustion gas or the outer heating of fuel oil.
Figure 12: the utility model atmosphere grinding and sintering integrated furnace adopts the side diagrammatic sketch of combustion gas or the outer heating of fuel oil.
Figure 13: the vibrating device of the utility model atmosphere grinding and sintering integrated furnace adopts the schematic diagram of a plurality of vibrators.
Figure 14: the utility model atmosphere grinding and sintering integrated furnace adopts balance weight is replaced as the balance boiler tube schematic diagram that quality equates.
Figure 15: the utility model atmosphere grinding and sintering integrated furnace adopts the schematic diagram of two equal boiler tubes of quality.
Above-mentioned each figure acceptance of the bid note is respectively: heat-insulation layer 1, temperature drop pipe 2, refractory metal pipe 3, electrothermal tube 4, equalizing feature 5, support spring 6, support 7, rigid connector 8, eccentric wheel type vibrator 9, abrasive media 10, boiler tube 11, lowering or hoisting gear 12, variable-frequency motor 13, spring coupling 14, steam line 15, gas flow meter 16, thermocouple 17, charging aperture 18, air inlet 19, water inlet 20, delivery port 21, gas outlet 22, air valve 23, vacuum pump 24, gas detecting instrument 25, discharging opening 26, fire-resistant abrasion-proof filter disc 27, electromagnetic vibrator 28, Pneumatic vibrator 29, fence type blender 30, seal closure 31, scraper plate 32, bearing 33, bocca 34, combustion chamber 35, cooling water jacket 36, central rotating shaft 37, gap 38, electrical bar 39.
Embodiment
Below in conjunction with embodiment the utility model atmosphere grinding and sintering integrated furnace is described further:
Embodiment 1: in-built electrical heater eccentric wheel type vibrator drives atmosphere grinding and sintering integrated furnace as depicted in figs. 1 and 2, has system of bf body to comprise the boiler tube of sealing, and the feed inlet and outlet on the boiler tube, boiler tube are placed on the elastic support, and system of bf body is with heater; The atmosphere system comprises porting on the boiler tube and the air valve that links with it, air supply source or vacuum pump; Also have grinding system to comprise the abrasive media that flows in the boiler tube, the drive unit that links with boiler tube.
The boiler tube 11 of splendid attire material is the cylindrical container of sealing, available 310s stainless steel or the molybdenum alloy that contains little tantalum, zirconium, chromium are made, and the cross section can be circle, ellipse or polygon, it is the fire-resistant abrasion-proof alloy vessel, and the boiler tube inwall can be equipped with fire-resistant abrasion-proof inner lining.Several abrasive medias that moves 10 are arranged in the boiler tube, be hardness Mo Shi more than 6.5 grades, above, spheroid, ellipsoid or the polyhedron of volume below 100 cubic centimetres of fusing point 1000 degree Celsius.Usually select aluminium oxide or zirconia ball, the about boiler tube total capacity of ball load half.
The heater that heats in the boiler tube 11, comprise a refractory metal pipe 3 that is placed in boiler tube 11 inner axes line positions, its diameter and boiler tube 11 diameter ratios are 1/3rd to 1/4th, two ends are boiler tube 11 outer walls fixedly, if its length surpasses 1 meter, then can be per 0.5 meter long a support be set be fixed in boiler tube 11 inwalls, according to the heating power requirement, built-in several electrothermal tube 4 tamps sealing by magnesia powder.Interior heating like this is provided with heat energy utilization and fully and when avoiding grinding central inertia districts occurs in the boiler tube 11, and boiler tube 11 outer walls are equipped with cooling water jacket 36, have water inlet 20 and delivery port 21 on the cooling water jacket, and the cooling water jacket installs heat-insulation layer 1 outward additional.Many places insert thermocouple 17 from boiler tube 11 two ends and boiler tube about in the of 11, carry out multi-point temperature measurement, be installed in temperature controller and electric heater 4 in the control cubicle, thermocouple 17 usefulness flexible cables connect.The support spring 6 that is heated on the elastic support below it of expanding with heat and contract with cold of body of heater 11 is regulated.
To the atmosphere control device that gaseous state in the boiler tube 11 is controlled, be included in the air inlet 19 of side opening on boiler tube 11 1 ends and gas flow meter 16, gas bomb or the steam line 15 that is attached thereto.Opening is divided into three the tunnel, the one tunnel at boiler tube 11 other end upside gas outlets 22 usefulness four-ways and links with air valve 23; One the tunnel links with vacuum pump 24; One the tunnel links with gas detecting instrument 25.The air valve 23 that links with exhaust outlet 22 is to connect more than two, can guarantee to avoid the unexpected malfunctioning of when work single air valve like this and boiler tube 11 outer air is entered cause the atmosphere state in the boiler tube 11 and destroyed.Air valve 23 can adopt check-valves or minute-pressure safety valve, and their pressure can equate.The gas that swollen gas that rises and reaction generate of being heated in the boiler tube 11 during grinding and sintering can be discharged by the air valve 23 that links with exhaust outlet 22, but boiler tube 11 outer air can't enter in the boiler tube 11.
For the atmosphere state in the boiler tube 11, can be by closing admission line, reach with continuing to vacuumize in the 24 pairs of boiler tubes 11 of vacuum pump that link with the gas outlet, also can be without vacuum pump 24, only by reaching to continuing to feed desired gas such as nitrogen, argon gas or hydrogen in the boiler tube 11.Certainly more can be by vacuumizing again logical desired gas earlier, effect can be better several times so repeatedly.
Boiler tube 11 is produced the drive unit of fierce vibration, comprise eccentric wheel type vibrator 9 that is installed in body one side and the variable-frequency motor 13 that links with eccentric wheel type vibrator 9 usefulness spring couplings 14, variable-frequency motor 13 can adopt water-cooled or oil injection type, link by the frequency converter in flexible cable line and the control cubicle, change variable-frequency motor 13 rotating speeds by frequency conversion and adjust eccentric wheel type vibrator 9 vibration frequencies, to seek the optimum resonance effect with boiler tube 11, reach grinding effect and purpose of saving preferably.Shaft coupling is a spring coupling 14, can reduce the vibration of eccentric wheel type vibrator 9 and expanding with heat and contract with cold to the influence of variable-frequency motor 13 of boiler tube 11.Body 11 opposite sides are furnished with equalizing feature 5, and equalizing feature 5 can be a balance weight.Eccentric wheel type vibrator 9, boiler tube 11, equalizing feature 5 three's axis parallels are on same horizontal line, they are placed on the elastic support that support spring 6 is housed, the axis of one side support spring 6 is between the gravity axis of boiler tube 11 and eccentric wheel type vibrator 9, the axis of opposite side support spring 6 is between the gravity axis of boiler tube 11 and equalizing feature 5, between eccentric wheel type vibrator 9 and the boiler tube 11; Between equalizing feature 5 and the boiler tube 11, be fixed on the support spring 6 with rigid connector 8.Eccentric wheel type vibrator 9 can be bought by market.
Certainly, the variable-frequency motor 13 in the above-mentioned drive unit also can change common electric machine into, is that relative power consumption is higher relatively poor with vibrating effect.
Just make atmosphere grinding and sintering integrated furnace by such scheme, mouth is expected in sealing after adding material during work, open vacuum pump 24, vacuumize the back and feed protective gas, open drive unit boiler tube 11 is produced exciting, after 10 pairs of materials generation strong wallop of abrasive media and shearing force are ground to suitable degree with raw meal particle size in the boiler tube 11, opening electric heater 4 heats material simultaneously, material is vibrated in boiler tube 11 and bump and high-speed motion, increase simultaneously, make the quick thermally equivalent of material because of contacting with abrasive media 10 with tube wall; And powerful impulsive force that the abrasive media 10 of high-speed motion produces and shearing force with bulky grain in the material of reuniting shear break up diminish simultaneously that the material of quick thermally equivalent is further levigate, heating finishes 36 water flowings of back cooling water jacket boiler tube 11 is dropped to normal temperature, regulate the lowering or hoisting gear 12 inclination discharging openings 26 on base 7 one ends, vibration boiler tube 11 shakes material and falls in the bag that joins with discharging opening 26.So no boiler tube input and output material section and bringing-up section static and dynamic sealing interface in the utility model, and disposable feeding intake are whole boiler tube good airproof performance.Improved grinding, heating, atmosphere control is carried out in the same boiler tube 11 of atmosphere grinding and sintering integrated furnace jointly.Solved to use in the whole production flow process and ground transfer, many complete equipments problems such as heating.
Embodiment 2: the utility model atmosphere grinding and sintering integrated furnace electromagnetic vibrator situation about driving as shown in Figure 3, boiler tube 11 is produced the drive unit of fierce vibration, change the electromagnetic vibrator 28 that is installed in body one side into, frequency converter is housed in control cubicle, link with the flexible cable line, change the ac frequency of supplying with electromagnetic vibrator 28 by frequency converter, control vibration frequency, to reach the optimal vibration grinding effect.Boiler tube 11 opposite sides are furnished with equalizing feature 5, and equalizing feature 5 can be a balance weight.Electromagnetic vibrator 28, boiler tube 11, equalizing feature 5 three's axis parallels are on same horizontal line, they are placed on the support that support spring 6 is housed, the axis of one side support spring 6 is between the gravity axis of boiler tube 11 and electromagnetic vibrator 28, the axis of opposite side support spring 6 is between the gravity axis of boiler tube 11 and equalizing feature 5, between electromagnetic vibrator 28 and the boiler tube 11; Between equalizing feature 5 and the boiler tube 11, be fixed on the support spring 6 with rigid connector 8.Electromagnetic vibrator 28 can be bought by market.
Embodiment 3: the utility model atmosphere grinding and sintering integrated furnace Pneumatic vibrator situation about driving as shown in Figure 4, boiler tube is produced the drive unit of fierce vibration, change the Pneumatic vibrator 29 that is installed in boiler tube one side into, is furnished with high-pressure pump, wireway with flexibility links, by changing gas pressure and the flow of supplying with vibrator, control vibration frequency, to reach the optimal vibration grinding effect.The boiler tube opposite side is furnished with equalizing feature 5, and equalizing feature 5 can be a balance weight.Pneumatic vibrator 29, boiler tube 11, equalizing feature 5 three's axis parallels are on same horizontal line, they are placed on the support that support spring 6 is housed, the axis of one side support spring 6 is between the gravity axis of boiler tube 11 and Pneumatic vibrator 29, the axis of opposite side support spring 6 is between the gravity axis of boiler tube 11 and equalizing feature 5, between Pneumatic vibrator 29 and the boiler tube 11; Between equalizing feature 5 and the boiler tube 11, be fixed on the support spring 6 with rigid connector 8.Pneumatic vibrator 29 can be bought by market.
Certainly, the gas pressure in this example drives and also can change the fluid pressure driving into, Pneumatic vibrator 29 is changed into the formula vibrator that surges of similar, change tracheae into water pipe, high-pressure pump changes high-pressure hydraulic pump into, and their circulations link, and also can play similar effects.
Embodiment 4: the external electric heater eccentric wheel type of atmosphere grinding and sintering integrated furnace vibrator situation about driving as shown in Figure 5, comprise the electrothermal tube 4 that is placed in the parallel boiler tube 11 axis trend of boiler tube 11 outer walls, temperature drop pipe 2, cover the heat-insulation layer 1 on electrothermal tube 4 and the temperature drop pipe 2, the wheeled vibrator 9 of the boiler tube one lateral deviation heart, boiler tube 11 opposite side equalizing features 5 are between eccentric wheel type vibrator 9 and the boiler tube 11, be fixed on the support spring 6 with rigid connection spare 8 between boiler tube 11 and the equalizing feature 5.
Embodiment 5: the situation of all settling electric heater inside and outside the utility model atmosphere grinding and sintering integrated furnace as shown in Figure 6, comprise a refractory metal pipe 3 that is placed in boiler tube 11 inner axes line positions, two ends are boiler tube 11 outer walls fixedly, and built-in several electrothermal tubes 4 tamp sealing by magnesia powder.Be placed in boiler tube 11 outer walls around or the electrothermal tube 4 of parallel boiler tube 11 axis trends, temperature drop pipe 2 covers the heat-insulation layer 1 on electrothermal tube 4 and the temperature drop pipe 2.For the jumbo boiler tube 11 of big caliber, this set firing rate will be faster.
Embodiment 6: adopt the situation that blender is installed in the external electric heater boiler tube as Fig. 7 the utility model atmosphere grinding and sintering integrated furnace shown in Figure 8, the external electric heater of boiler tube be electrothermal tube 4 along furnace tube outer wall around or along the direction of axis line secured in parallel on furnace tube outer wall, along its trend temperature drop pipe 2 is housed 4 of electrothermal tubes, the temperature drop pipe 2 outer heat-insulation layers 1 that install additional.Fence type blender 30 is housed in the boiler tube, with spring coupling 14 external water-cooleds or oil injection type variable-frequency motor 13, frequency converter links in itself and the control cubicle, use variable-frequency motor 13 can reach electric machine soft starting and purpose of saving under the load condition, boiler tube is external heater, seal closure 31 is equipped with in variable-frequency motor 13 outsides, and variable-frequency motor 13 is fixed in the seal closure 31, and seal closure 31 is fixed on boiler tube 11 1 ends.By the bearing clearance, atmosphere state and boiler tube 11 interior atmosphere states are consistent in the seal closure 31.Variable-frequency motor 13 drives blender 30 high speed rotating during work, and abrasive media in the boiler tube and material are able to high-speed motion and reach grinding and sintering effect.The support spring that is heated on the elastic support below it of expanding with heat and contract with cold of body of heater is regulated.
Certainly variable-frequency motor 13 also can change common electric machine into and adds speed changer in the present embodiment, only is to use not too convenient and does not have power savings.Shaft coupling also can be positive coupling.Blender also can be leaf structure.
Embodiment 7: the situation that adopts the boiler tube rotation as Fig. 9 the utility model atmosphere grinding and sintering integrated furnace shown in Figure 10, boiler tube is equipped with central rotating shaft 37, be placed on the elastic support by bearing 33, central rotating shaft 37 1 ends link by spring coupling 14 and variable-frequency motor 13, variable-frequency motor 13 can be water-cooled or oil injection type, be connected with frequency-variable controller it is carried out variable frequency regulating speed control, to reach electric machine soft starting and purpose of saving under the load condition, mobile abrasive media is housed in the boiler tube, scraper plate 32 with the boiler tube axis parallel is housed on the boiler tube inwall, and the boiler tube of high speed rotating and scraper plate make material in the pipe and abrasive media high-speed motion and produce and grind preferably and sintering effect during work.Electrothermal tube 4 and temperature drop pipe 2 are fixed in the outer heat-insulation layer 1 inwall transfixion of boiler tube, leave suitable gap 38 between boiler tube and the heat-insulation layer, and the support spring on the elastic support below it of expanding with heat and contract with cold of the body of heater that is heated is regulated.
Certainly variable-frequency motor 13 also can change common electric machine into and adds speed changer in the present embodiment, only is to use not too convenient and does not have power savings.
Present embodiment atmosphere is controlled to be, after vacuumizing ventilation in the boiler tube body reach requirement, close intake valve, take off the intake and exhaust flexible pipe, the swollen gas that rises that is heated in the boiler tube during grinding and sintering is discharged by the check-valves or the minute-pressure valve of exhaust outlet with the gas that reaction generates, but the air outside the boiler tube can't enter in the boiler tube.
The enterprising exhaust port of boiler tube in the present embodiment is for being similar to intake pipe of washing machine and the tap interface is such, and band elasticity card pearl and elastic insert set up and take off all articulation very easily in the interface band exterior bayonet slot on the boiler tube, the interface on the air inlet-outlet pipe.
Embodiment 8: as Figure 11 the utility model atmosphere grinding and sintering integrated furnace shown in Figure 12 adopt combustion gas or the outer heating of fuel oil situation, boiler tube is equipped with central rotating shaft 37, be placed on the elastic support by bearing 33, on central rotating shaft 37 1 ends variable-frequency motor is housed, scraper plate 32 in whole boiler tube and the boiler tube rotates with central rotating shaft 37, variable-frequency motor can be water-cooled or oil injection type, is connected with frequency-variable controller it is carried out speed regulating control, and furnace tube outer wall is equipped with cooling water jacket 36.
Certainly variable-frequency motor also can change common electric machine into and adds speed changer in the present embodiment, only is to use not too convenient and does not have power savings.
Present embodiment atmosphere is controlled to be, after vacuumizing ventilation in the boiler tube body reach requirement, close intake valve, take off air inlet-outlet pipe, the swollen gas that rises that is heated in the boiler tube during grinding and sintering is discharged by the check-valves or the minute-pressure valve of exhaust outlet with the gas that reaction generates, but the air outside the boiler tube can't enter in the boiler tube.
Enterprising exhaust port of boiler tube in the present embodiment and cooling water jacket 36 enterprising drainage interfaces are and are similar to intake pipe of washing machine and the tap interface is such, interface band exterior bayonet slot on the boiler tube, band elasticity card pearl and elastic insert set up and take off all articulation very easily in the supravasal interface.
Embodiment 9: the vibrating device of the utility model atmosphere grinding and sintering integrated furnace adopts the situation of a plurality of vibrators as shown in figure 13, for jumbo boiler tube, a plurality of eccentric wheel type vibrator 9 usefulness shaft couplings can be together in series with the driving that superposes synchronously of 1 to 2 driven by motor eccentric wheel, also can adopt a plurality of up and down one group of driven in synchronism boiler tube of electromagnetic vibrator or Pneumatic vibrator, to increase exciting force.
Embodiment 10: the utility model atmosphere grinding and sintering integrated furnace adopts the performance that balance weight is replaced as the equal balance body of heater of quality as shown in figure 14, equalizing feature can be that balance weight also can change the balance boiler tube that quality equates into, to make full use of vibration force.Eccentric wheel type vibrator 9, boiler tube, balance boiler tube three axis parallel are on same horizontal line, they are placed on the elastic support that support spring is housed, the axis of one side support spring is between the gravity axis of boiler tube and vibrator, the axis of opposite side support spring is between the gravity axis of boiler tube and balance boiler tube, between vibrator and the boiler tube; Between equalizing feature and the boiler tube, be fixed on the support spring with rigid connector.Mobile abrasive media is housed in the balance boiler tube, on the balance boiler tube heating and atmosphere control device is arranged also certainly.
Embodiment 11: the utility model atmosphere grinding and sintering integrated furnace adopts the situation of two equal boiler tubes of quality as shown in figure 15, can be in the horizontal both sides of vibrator 9, and the boiler tube that two quality of arranged parallel equate is with the increase capacity.They are placed on the support that support spring 6 is housed, and the axis of one side support spring is between the gravity axis of boiler tube and vibrator, and the axis of opposite side support spring is between the gravity axis of another boiler tube and vibrator.Body, vibrator connects with rigid connector between the support spring three.Mobile abrasive media is housed in the boiler tube, and these two boiler tubes all have heating and atmosphere control device certainly.
Claims (15)
1. atmosphere grinding and sintering integrated furnace has system of bf body to comprise the boiler tube of sealing,, the feed inlet and outlet on the boiler tube, boiler tube are placed on the elastic support; The atmosphere system comprises porting on the boiler tube and the air valve that links with it, air supply source or vacuum pump; It is characterized in that also having: system of bf body is with heater, grinding system; Described grinding system comprises abrasive media that moves in the boiler tube and the drive unit that links with boiler tube.
2. atmosphere grinding and sintering integrated furnace as claimed in claim 1, it is characterized in that described drive unit comprises that rigidity is installed in the eccentric wheel type vibrator of furnace tube outer wall, described eccentric wheel type vibrator links by shaft coupling and variable-frequency motor, on the rack-mount or boiler tube of variable-frequency motor.
3.. atmosphere grinding and sintering integrated furnace as claimed in claim 1 is characterized in that described drive unit comprises that rigidity is installed in the electromagnetic vibrator of furnace tube outer wall.
4.. atmosphere grinding and sintering integrated furnace as claimed in claim 1 is characterized in that described drive unit comprises that rigidity is installed in the Pneumatic vibrator of furnace tube outer wall, described Pneumatic vibrator links by wireway and air pump.
5.. atmosphere grinding and sintering integrated furnace as claimed in claim 1, it is characterized in that described drive unit comprises the blender that is installed in the boiler tube, blender links by the variable-frequency motor outside shaft coupling and the boiler tube, variable-frequency motor has seal closure outward, variable-frequency motor is fixed in the seal closure, seal closure is fixed on boiler tube one end, and described blender is fence type or leaf structure.
6.. atmosphere grinding and sintering integrated furnace as claimed in claim 1, it is characterized in that described drive unit comprises the variable-frequency motor that is installed on the boiler tube support arm, variable-frequency motor links by shaft coupling and the central rotating shaft that passes boiler tube, and whole boiler tube rotates with central rotating shaft.
7. as claim 1,2,3,4,5 or 6 described atmosphere grinding and sintering integrated furnaces, it is characterized in that described abrasive media is several hardness Mo Shi more than 6.5 grades, above, spheroid, ellipsoid or the polyhedron of volume below 100 cubic centimetres of fusing point 1000 degree Celsius.
8. as claim 1,2,3 or 4 described atmosphere grinding and sintering integrated furnaces, it is characterized in that described heater is for settling a refractory metal pipe at boiler tube inner axes line, two ends are furnace tube outer wall fixedly, the inside is placed some electrothermal tubes and is tamped sealing by magnesia powder, and described electrothermal tube is the electrothermal tube of built-in resistor silk.
9. as claim 1,2,3,4 or 5 described atmosphere grinding and sintering integrated furnaces, it is characterized in that described heater on furnace tube outer wall around or along the electrothermal tube of direction of axis line secured in parallel built-in resistor silk.
10.. as claim 1,2,3 or 4 described atmosphere grinding and sintering integrated furnaces, it is characterized in that described heater is for settling a refractory metal pipe at boiler tube inner axes line, two ends are furnace tube outer wall fixedly, the inside place that some built-in resistor silks tamp the electrothermal tube of sealing by magnesia powder and on furnace tube outer wall around or along the electrothermal tube of direction of axis line secured in parallel built-in resistor silk.
11. as claim 1,5 or 6 described atmosphere grinding and sintering integrated furnaces, it is characterized in that described heater is the outer electrical bar of boiler tube, described electrical bar is fixed on the furnace tube outer wall that does not rotate or around boiler tube the heat-insulation layer that is placed on the support on every side, described electrical bar is fixed on the heat-insulation layer inwall that does not rotate, and described electrical bar is the resistance heating rod.
12., it is characterized in that described heater is for to settle combustion heater or fuel heater, described combustion heater or fuel heater to comprise the combustion chamber around boiler tube outside boiler tube as claim 1,5 or 6 described atmosphere grinding and sintering integrated furnaces; Evenly be placed in bocca in the combustion chamber and the controller outside the combustion chamber.
13. as claim 1,2,3,4,5 or 6 described atmosphere grinding and sintering integrated furnaces, the charging aperture that it is characterized in that the feed inlet and outlet on the described boiler tube is added with funnel during charging above boiler tube; The discharging opening of the feed inlet and outlet on the described boiler tube is below boiler tube, and discharging opening is equipped with filter disc, and seal cover is housed during the feed inlet and outlet inoperative.
14., it is characterized in that on the support of the discharging opening other end, being equipped with fluid pressure type or spiral lowering or hoisting gear as claim 1,2,3,4,5 or 6 described atmosphere grinding and sintering integrated furnaces.
15. as claim 1,2,3,4,5 or 6 described atmosphere grinding and sintering integrated furnaces, it is characterized in that the porting on the described boiler tube and the air valve that links with it in the exhaust outlet air valve be series connection more than two.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200672658U CN201332115Y (en) | 2009-01-22 | 2009-01-22 | Atmosphere grinding and sintering integrated stove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200672658U CN201332115Y (en) | 2009-01-22 | 2009-01-22 | Atmosphere grinding and sintering integrated stove |
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| CN201332115Y true CN201332115Y (en) | 2009-10-21 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914644A (en) * | 2010-08-05 | 2010-12-15 | 马鞍山钢铁股份有限公司 | Blast furnace feeding material alkali metal fusion loading device and method thereof |
| CN103817329A (en) * | 2014-02-26 | 2014-05-28 | 华南理工大学 | Electromagnetic induction heating type powder vibrating vacuum thermoforming device and method |
| CN104121777A (en) * | 2014-07-23 | 2014-10-29 | 泰州市艾克森电热仪表设备有限公司 | Constant-temperature energy-saving electric furnace |
| CN104848681A (en) * | 2015-05-08 | 2015-08-19 | 中冶长天国际工程有限责任公司 | Direct temperature measurement device for eccentric sliding ring type rotary kiln |
| CN105470469A (en) * | 2015-12-30 | 2016-04-06 | 山东精工电子科技有限公司 | Synthetic method for preparing lithium ferric manganese phosphate positive electrode material in vertical magnetic infrared high-pressure integral furnace |
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2009
- 2009-01-22 CN CNU2009200672658U patent/CN201332115Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914644A (en) * | 2010-08-05 | 2010-12-15 | 马鞍山钢铁股份有限公司 | Blast furnace feeding material alkali metal fusion loading device and method thereof |
| CN101914644B (en) * | 2010-08-05 | 2013-02-13 | 马鞍山钢铁股份有限公司 | Blast furnace feeding material alkali metal fusion loading device and method thereof |
| CN103817329A (en) * | 2014-02-26 | 2014-05-28 | 华南理工大学 | Electromagnetic induction heating type powder vibrating vacuum thermoforming device and method |
| CN103817329B (en) * | 2014-02-26 | 2015-10-28 | 华南理工大学 | A kind of electromagnetic induction heating type vibrate powder vacuum hotpressing building mortion and method |
| CN104121777A (en) * | 2014-07-23 | 2014-10-29 | 泰州市艾克森电热仪表设备有限公司 | Constant-temperature energy-saving electric furnace |
| CN104121777B (en) * | 2014-07-23 | 2016-01-20 | 泰州市艾克森电热仪表设备有限公司 | Isothermal energy-saving electric furnace |
| CN104848681A (en) * | 2015-05-08 | 2015-08-19 | 中冶长天国际工程有限责任公司 | Direct temperature measurement device for eccentric sliding ring type rotary kiln |
| CN104848681B (en) * | 2015-05-08 | 2016-11-02 | 中冶长天国际工程有限责任公司 | A kind of eccentric sliding ring type rotary kiln direct temperature measurement device |
| CN105470469A (en) * | 2015-12-30 | 2016-04-06 | 山东精工电子科技有限公司 | Synthetic method for preparing lithium ferric manganese phosphate positive electrode material in vertical magnetic infrared high-pressure integral furnace |
| CN105470469B (en) * | 2015-12-30 | 2017-10-13 | 山东精工电子科技有限公司 | A kind of infrared high pressure all-in-one oven of vertical magnetic prepares the synthetic method of lithium ferric manganese phosphate positive electrode |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20091021 Effective date of abandoning: 20090122 |
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| RGAV | Abandon patent right to avoid regrant |