A kind of rotary kiln refractory brick
Technical field
The present invention relates to refractory brick technical field, specially a kind of rotary kiln refractory brick.
Background technique
Rotary kiln, also referred to as rotary calcining kiln are mainly used for the calcination of chamotte of cement and the oxidation roast etc. of metallurgical mineral,
Rotary kiln end and the heat resisting steel break iron of kiln tail work under high temperature (1100 DEG C) oxidation environment, and there are heat resisting steel break iron is oxidizable
With the caducous problem of castable, cause kiln hood and kiln tail service life short, in the prior art the flame retardant coating of calciner inner wall
Generally using refractory material casting material formula or using fire resisting brick masonry formula, the flame retardant coating as made from cast-type, flame retardant coating damage
It needs to be poured again after bad, it is inconvenient that this makes plant maintenance, while casting flame retardant coating will also result in the wave of refractory material again
Take, institute has some disadvantages in use in this way, so existing rotary kiln mostly uses greatly the masonry of refractory brick
Method.
If Chinese patent discloses " kilneye special-purpose fire-resistant brick " (patent No.: CN103615895B), the patent is in brick body
Equipped with the fixed structure for preventing brick body from sliding along conduit axis, prevent brick body sliding along conduit axis by being arranged in brick body
Dynamic fixed structure, brick body is in building process, i.e., when castable is not dry, brick body will not due to gravity edge
The sliding of tube body axis, brick body is easy to operate when building, and improves the working efficiency of brick body masonry;The fire resisting that brick body is formed after building
In the specific use process, i.e., after castable is dry, since brick body is equipped with fixed structure, brick body is in long-term use journey for layer
In castable after dry will not slide along the axis of tube body loosen brick body, managing intracorporal flame retardant coating is not in stitch
Gap improves the stability of the quality of flame retardant coating in use, extend equipment use the longevity, above-mentioned technical proposal it is resistance to
Although the case where knockdown assembly method can be avoided axis sliding is utilized in firebrick, but in the replacement of refractory brick module or
Person easily causes the collapsing of refractory brick when maintenance, and since refractory brick is in the working environment of high temperature, fire resisting always
The one side of brick is also to be close to the inner wall of rotary kiln, will be conducted to rotary kiln after refractory brick absorbs a large amount of heat
Wall, although its inner cavity of the refractory brick of hollow shape is able to carry out air circulation, the heat of refractory brick solid section storage
Can not be dredged, while hollow refractory brick still follows the principle expanded with heat and contract with cold after heated, multiple refractory brick it
Between subtle expansion can occur, be easy mutual extrusion and occur damaged to influence to use.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of rotary kiln refractory brick, refractory brick hollow part is solved
Divide and dynamics limited the problem of causing rotary kiln inner wall to absorb excessive heat influence work is dredged on heat.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of rotary kiln refractory brick, including
It is resistance to for assembling cannulated sleeve, refractory brick module and the heat absorption mechanism for shifting refractory brick solid section heat of refractory brick
Firebrick module is mounted on cannulated sleeve, by the separation of hollow partition box and the support of cannulated sleeve outer wall, so that each
A refractory brick module individually can be replaced and be dismantled, and equidistant be fixedly welded with is used on the outer wall of the cannulated sleeve
The clamping bolt for installing refractory brick module, it is equidistant on the inner wall of the refractory brick module to offer butt hole, the fire resisting stock mould
Block is removably mounted on the outer wall of cannulated sleeve, and the heat absorption mechanism is equidistantly positioned the outer wall in cannulated sleeve
On.
The heat absorption mechanism includes hollow partition box, the brute spring of fast endothermic and heat exchange cylinder, described hollow
The bottom of partition box and the outer wall of cannulated sleeve are fixedly welded, the top at the top of the brute spring and hollow partition box inner wall
It is fixedly welded, the top of the heat exchange drum outer wall and the inner ring of brute spring are fixedly welded.
Preferably, the both ends on the hollow partition box right side offer position compensation slot, the position compensation slot it is interior
Through being connected with thermal expansion linkage board, the thermal expansion linkage board is located at one end on the outside of hollow partition box and is fixedly welded with to be taken chamber
Contact pin, the both ends of the hollow partition box inner wall pass through horizontal bolt and are connected with change gear, the centre of the brute spring
It is equidistant through being connected with compressional axis, the both ends of the compressional axis are fixedly welded with lifting tooth plate.
Preferably, fixed press in the bottom of the heat exchange tube inner chamber is equipped with heat-stable ceramic column, outside the heat-stable ceramic column
Circle is movably installed with shunting fan.
Preferably, the thermal expansion linkage board is single side gear plate, the thermal expansion linkage board opposite side and deflecting
Gear is meshed, and the change gear side opposite with lifting tooth plate is meshed.
Preferably, the partial isometry that the hollow bushing is in contact with hollow partition box leaves equipped with stomata, is heat exchange
The lifting of cylinder provides space, while the brute spring of fast endothermic can provide certain after refractory brick module expands
Extrusion and displacement space, multiple refractory brick modules can carry out the unloading of pressure when mutual extrusion.
Preferably, the two side walls of the hollow partition box with refractory brick module contact, the good heat conductive of metal material
Property cooperation larger area contact, the heat given in refractory brick module is shifted in time, while hollow state can be with
The air for allowing flow-disturbing to enter its inner cavity carries out recycling continuous heat exchange.
(3) beneficial effect
The present invention provides a kind of rotary kiln refractory brick.Have it is following the utility model has the advantages that
(1), the rotary kiln refractory brick, the interlocking action generated using refractory brick module expanded by heating accelerate fire resisting
The heat that the heat losses of brick solid section and transmitting, as far as possible reduction rotary kiln inner wall are absorbed, for holding for rotary kiln
Continuous sex work provides biggish guarantee.
(2), the rotary kiln refractory brick, refractory brick module is by the way of being mounted on complexed metal sleeve outer wall, a side
Face is primarily to convenient safeguarded and replaced to the refractory brick used for a long time, and will not influence each other asking of collapsing
Topic, the thermal conductivity of another aspect metal sleeve is preferable, can quickly shift the heat that the solid position of refractory brick absorbs,
Reduce the heat being transmitted on rotary kiln inner wall.
(3), the rotary kiln refractory brick, refractory brick module are combined with brute spring when heated generation expansion outward
It is moved with heat exchange cylinder, wherein brute spring can quickly carry out heat transfer as metal material, and heat exchange cylinder is then same
Time accelerates speed air flow between two refractory brick.
(4), the rotary kiln refractory brick, brute spring are not only the strong medium for being used as heat to conduct, and are matched simultaneously
Multiple partition box are closed, can reduce mutual pinch shock power when refractory brick thermally expands, reduce refractory brick
Be hit the probability of damage when expanded by heating.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is refractory brick module sectional view of the present invention;
Fig. 3 is heat absorption mechanism structure schematic diagram of the present invention;
Fig. 4 is the hollow partition box cross-sectional view of the present invention;
Fig. 5 is heat exchange cylinder cross-sectional view of the present invention.
In figure: 1 cannulated sleeve, 101 clamping bolts, 2 refractory brick modules, 201 butt holes, 3 heat absorption mechanisms, 301 hollow
Partition box, 3011 position compensation slots, 3012 thermal expansion linkage boards, 3013 bonding jumpers, 3014 change gears, 3015 compressional axis,
3016 lifting tooth plates, 302 brute springs, 303 heat exchange cylinders, 3031 heat-stable ceramic columns, 3032 shunt fan.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect
It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of rotary kiln refractory brick, including it is resistance to for assembling
Cannulated sleeve 1, refractory brick module 2 and the heat absorption mechanism 3 for shifting refractory brick solid section heat of firebrick, hollow bushing 1
The partial isometry being in contact with hollow partition box 301 leaves equipped with stomata, provides space for the lifting of heat exchange cylinder 303, simultaneously
The brute spring 302 of fast endothermic can provide certain extrusion and displacement space after refractory brick module 2 expands, more
A refractory brick module 2 can carry out the unloading of pressure when mutual extrusion, and refractory brick module 2 is mounted on cannulated sleeve
On, by the support of 1 outer wall of separation and cannulated sleeve of hollow partition box 301, so that each refractory brick module 2 can be single
Only being replaced and being dismantled, the equidistant clamping being fixedly welded with for installing refractory brick module 2 on the outer wall of cannulated sleeve 1
Bolt 101, equidistant on the inner wall of refractory brick module 2 to offer butt hole 201, refractory brick module 2 is removably mounted to hollow
On the outer wall of sleeve 1, as long as this just illustrates refractory brick when 2 expanded by heating of fire resisting plate module is subjected to displacement outward
The temperature absorbed is more, is further continued for that stability and safety between each refractory brick will be influenced when heating
Property, fire resisting plate module 2 will influence heat absorption mechanism 3 at this time, and be only when refractory slab 2 reach certain temperature it
Just heat absorption mechanism 3 can be made to link afterwards, not just to carry out heat turn when heat absorption mechanism 3 acts
It moves, or the extruding force between refractory brick module 2 provides cushion space, heat absorption mechanism 3 is equidistantly positioned hollow
On the outer wall of sleeve 1, heat absorption mechanism 3 includes the brute spring 302 and heat exchange cylinder of hollow partition box 301, fast endothermic
303, the bottom of hollow partition box 301 and the outer wall of cannulated sleeve 1 are fixedly welded, and the both ends on hollow 301 right side of partition box are opened
Equipped with position compensation slot 3011, the inner cavity of position compensation slot 3011 is linked through thermal expansion linkage board 3012, thermal expansion is connected with
One end that plate 3012 is located at hollow 301 outside of partition box is fixedly welded with bonding jumper 3013, the both ends of hollow 301 inner wall of partition box
Change gear 3014 is connected with by horizontal bolt, the centre of brute spring 302 is equidistant through being connected with compressional axis 3015,
The both ends of compressional axis 3015 are fixedly welded with lifting tooth plate 3016, and thermal expansion linkage board 3012 is single side gear plate, thermal expansion
The opposite side of linkage board 3012 is meshed with change gear 3014, the side opposite with lifting tooth plate 3016 of change gear 3014
It is meshed, is fixedly welded at the top of the top of brute spring 302 and hollow 301 inner wall of partition box, the top of 303 outer wall of heat exchange cylinder
Portion and the inner ring of brute spring 303 are fixedly welded, and the two side walls of hollow partition box 301 are contacted with refractory brick module 2, metal
The contact of the thermal conductive resin cooperation larger area of material, in time shifts the heat given in refractory brick module 2, same to space-time
The air that the state of the heart can also allow flow-disturbing to enter its inner cavity carries out recycling continuous heat exchange, the bottom of 303 inner cavity of heat exchange cylinder
Portion is fixed by heat-stable ceramic column 3031 is equipped with, and the outer ring of heat-stable ceramic column 3031 is movably installed with shunting fan 3032.
The rotary kiln refractory brick is in use, be the process of production installation first, directly by ready refractory brick module 2
The regional space between hollow partition box 301 is placed, makes the butt hole 201 of 2 bottom of refractory brick module and clamping bolt 101 1 a pair of
It answers, when pressing down on refractory brick module 2, the bottom of refractory brick module 2 is directly to contact with each other with bonding jumper 3013 first,
And as the movement that continues of refractory brick module 2 just squeezes bonding jumper 3013 to bottommost, bonding jumper 3013 during this
Thermal expansion linkage board 3012 is driven to move, thermal expansion linkage board 3012 drives lifting tooth plate 3016 to move by tooth sector, rises
It drops tooth plate 3016 and drives brute spring 302 to shrink by more compression columns 3015, and heat exchange cylinder 303 is now in and is contracted in
The inner cavity of hollow partition box 301, when refractory brick is after rotary kiln inner cavity works one end time, refractory brick module 2 will occur
It expands and region moves between hollow partition box 301, refractory brick module 2 will unclamp bonding jumper when moving
3013, brute spring 302 at this time will discharge its elastic potential energy, push heat exchange cylinder 303 to move downward, at this time air duty set
By there is air-flow, air-flow directly blows 3032 rotation of shunting fan, comes into operation in refractory brick the cylinder 1 i.e. hollow space of refractory brick
When, brute spring 302 is combined with hollow demarcation plate 301 and increases the contact area for absorbing heat, transfer fire resisting as far as possible
The heat that brick is absorbed avoids excessive heat transfer to the inner wall of rotary kiln.
In conclusion the rotary kiln refractory brick, the interlocking action generated using 2 expanded by heating of refractory brick module come plus
The heat that the heat losses of fast refractory brick solid section and transmitting, as far as possible reduction rotary kiln inner wall are absorbed, is rotary kiln
Sustainability work provide biggish guarantee, refractory brick module 2 using being mounted on metal sleeve outer wall by the way of, one side
Primarily to convenient safeguarded and replaced to the refractory brick used for a long time, will not influence each other the problem of collapsing,
The thermal conductivity of another aspect metal sleeve is preferable, can quickly shift the heat that the solid position of refractory brick absorbs, drop
The low heat being transmitted on rotary kiln inner wall, brute spring 302 are not only the strong medium conducted as heat, are matched simultaneously
Multiple partition box are closed, can reduce mutual pinch shock power when refractory brick thermally expands, reduce refractory brick
Be hit the probability of damage when expanded by heating.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.