CN205909677U - Portable rotary kiln is telescopic exempt from to change in door structure - Google Patents

Abstract

The utility model provides a portable rotary kiln is telescopic exempt from to change in door structure, kiln have the section of drying, preheating section, calcination stage, a cooling zone, its characterized in that: the kiln is equipped with the steel sheet material quality's that can separate dry section and preheating section well door in the line of demarcation position of dry section and preheating section, the kiln is equipped with the electric hoist support in the top of well door, and the electric hoist's of an electric hoist shelf location output shaft scrolls in the chain connection of establishing. The utility model discloses a setting of door among the steel sheet material quality, can thoroughly realize the subregion extraction of the inside temperature of kiln, it extracts the mesh that the anterior baking zone of kiln carries out green compact drying to reach the temperature of distinguishing high temperature roasting, make green compact drying more thorough, the phenomenon of falling the base because of green compact drying does not thoroughly take place has thoroughly been solved, greatly reduced off -the -shelf rejection rate, and generally do not need to be changed well at the practical application in -process, reached and reduced artifical intensity of labour, the enterprise cost is reduced the mesh.

Description

The telescopic middle door free of replacement of Mobile rotary kiln

Technical field

This utility model belongs to a kind of rotary kiln, the middle door of more particularly, to a kind of rotary kiln.

Background technology

The today developing rapidly in sintered brick and tile industry, new technology, new technique, new equipment are in production technology using must get over Come more, so that the mechanization of production line, automaticity is greatly improved, bring to the production management of enterprise larger Change, improve the work situation of workman simultaneously, alleviate the labor intensity producing practitioner, and make the product matter of production Amount rises a step.

Occur in that Mobile rotary kiln at present, its structure is that have circular work road, work road built with adobe, The kiln of arc can move along work road in orbit, and kiln front portion is divided into drying section, and mid portion is preheating section and roasting Section, kiln afterbody is cooling section.

In order to provide hot blast using the heat of preheating section, furnace zone, cooling section for drying section, it is provided with from cooling section to baking The flue collector of dry section, is provided with blower fan in flue collector, preheating section, furnace zone, cooling section are connected with flue collector respectively, and drying section is sent Wind and smoke road is connected with flue collector, and the hot blast of preheating section, furnace zone, cooling section is drawn onto flue collector again from air-supply flue feeding by blower fan Drying section, the adobe green compact of drying section are dried.

And the air themperature of kiln forward part drying section is under normal circumstances substantially just for room temperature, then in the mistake of blower fan work Kiln is anterior and postmedian the air of Cheng Zhonghui is all extracted, then the relatively low air of forward part drying section temperature will The air higher with posterior segment temperature mutually neutralizes, so finally by flue be transported to drying section dry green compact air themperature just Do not reach the requirement drying green compact, easily occur green compact to fall base inside kiln, the situation that percent defective increases considerably.

In order to solve the above problems, occur in that door in roll-type, namely the friendship of the drying section in kiln and preheating section At boundary, a spool is set, on spool, volume sets high temperature resistant middle door cloth, can be by high temperature resistant middle door cloth during kiln is mobile Roll, during kiln stops, high temperature resistant middle door cloth is transferred to kiln bottom, high temperature resistant middle door cloth separates drying section and preheating Section, has thus separated the drying section of leading portion and the preheating section of back segment, furnace zone, cooling section, having reached will be cold for the leading portion of kiln The purpose of the posterior segment hot-air isolation of air and kiln, will only be drawn into posterior segment so during blower fan work Hot-air, then hot-air is transported to the drying section of kiln leading portion and is carried out green compact baking by convulsion flue, flue collector, air-supply flue Dry, the air themperature like this drying green compact can be fully guaranteed, and be not in temperature phenomenon fluctuated, reach Purpose that green compact are dried, reduces and dries green compact that are not in place and causing because of green compact and fall base, the phenomenon that percent defective increases.

But because the distance between internal piled bricks of kiln is typically only 20-50 centimetre in real operation, to kiln row The requirement walking position is very high, and is easily caused middle Men Bu and in decentralization or is suspended on piled bricks during rolling, fragile middle door Cloth (fundamental need monthly change in door cloth, in 3000 yuan of a roll, replacing construction needs 6-8 hour to middle door cloth general value), And be possible to the decentralization of middle door cloth and make the kiln temperature extraction system cannot normal work less than kiln bottom it is impossible to play cut-off warm area Make, be easily caused that drying section temperature is too low and to be produced green compact and fall base it is impossible to play the thorough purpose drying green compact, increased product The situation of percent defective.

Utility model content

This utility model provides a kind of telescopic middle door free of replacement of Mobile rotary kiln, its objective is to solve existing The shortcoming that technology exists is so that green compact dry more thorough, the percent defective of reduction finished product.

This utility model solves its technical problem and be the technical scheme is that

A kind of telescopic middle door free of replacement of Mobile rotary kiln, kiln have drying section, preheating section, furnace zone, Cooling section it is characterised in that: kiln is provided with and can separate drying section and preheating section in the boundary line position of drying section and preheating section The middle door of steel plate material, kiln is provided with motor hoist support above middle door, and what motor hoist support was installed is electronic Door during the chain setting connects is rolled up on the output shaft of elevator.

There are two motor hoists, two motor hoists are symmetrical arranged with respect to the vertical axis of middle door.

The both sides of middle door can be provided with retractable door respectively transverse shifting, and on middle door, set power source is connected simultaneously with driving-chain Retractable door is driven to move.

Described power source is motor, and the output shaft of motor is connected with linked transmission and drives in the middle part of middle door Chain drum, this chain drum is connected with left chain and drives the chain drum on the left of it, drives the chain drum on the right side of it with right chain, on left chain Connecting rod is fixed with external piece of fixed chain, the other end of connecting rod is connected the retractable door in left side, fixed on right chain Connecting rod, the retractable door on the connected right side of the other end of connecting rod are fixed with external piece of chain.

Zhong Men bottom is installed with horizontal channel-section steel, and the rolling bearing that the bottom of retractable door is pivoted rollably is placed on channel-section steel In groove.

Of the present utility model have the beneficial effect that

This utility model passes through the setting of door in steel plate material, it is to avoid the various shortcoming of door in cloth material, can be reliable Ground separates drying section and preheating section, and the subregion thoroughly realizing kiln internal temperature extracts, and reaches and takes out the temperature in high-temperature roasting area Get kiln front portion baking zone and carry out the purpose of green compact drying so that green compact drying is more thorough, thoroughly solve and dry because of green compact Do the phenomenon of falling base that is thorough and occurring, greatly reduce the percent defective of finished product, and be typically not required in actual application Door in changing, has reached minimizing hand labor intensity, reduces the purpose of entreprise cost.Telescopic middle door makes middle door lift The resistance to Pyroxylin of attachment on kiln inwall will not be destroyed in journey.

Brief description

With reference to the accompanying drawings and examples this utility model is further illustrated.

Fig. 1 is this utility model structure and wind direction schematic diagram；

Fig. 2 is door closure state structure chart in this utility model；

Fig. 3 is door raised configuration structure chart in this utility model.

Specific embodiment

In order to be illustrated more clearly that the technical solution of the utility model, below by the accompanying drawing work to required use in description Simply introduce it should be apparent that, drawings in the following description be only some embodiments of the present utility model, for this area For those of ordinary skill, on the premise of not paying creative work, other enforcement can also be obtained according to these accompanying drawings Example.

As shown in figure 1, this utility model is applied on rotary kiln, kiln 1 has drying section 11, preheating section 12, roasting Burn section 13, cooling section 14.From the flue collector 2 of cooling section 14 to drying section 11, in flue collector 2, it is provided with blower fan 23, preheating section 12, roasting Burn section 13, cooling section 14 is connected with flue collector 2 respectively, wherein cooling section 14 has convulsion flue 22, and drying section 11 has air-supply cigarette Road 21 is connected with flue collector 2.The position of middle door 3 is in the drying section 11 of kiln 1 and the boundary line position of preheating section 12.

As shown in Figure 2 and Figure 3, clear for showing, Fig. 3 eliminates spider, between kiln preheating section 12 and drying section 11 Door in the extension type of setting.

The material of middle door 3 and retractable door 30 is steel plate.

The position corresponding to middle door 3 at the top of kiln 1 arranges two spiders 31 by channel-section steel and equal leg angle welding, It is respectively provided with multifunctional motor-driven elevator 32 at the top of spider 31, two motor hoists 32 are vertical with respect to middle door 3 Axis is symmetrical arranged, and two motor hoists 32 are spaced apart 5000mm, and motor hoist 32 is connected with middle door 3 by chain 33 Connect, the lifting of door 3 and the action declining in being realized by startup motor hoist 32.

Respectively there is a retractable door 30 middle door 3 both sides.

Piece width of position transverse weld in middle door 3 bottom is the operation rail as retractable door 30 for the channel-section steel 34 of 80mm Road, is pivoted a rolling bearing 35 in the bottom interval 200mm of retractable door 30, and rolling bearing 35 is rollably placed on channel-section steel 34 In groove.Thus realize retractable door 30 when flexible can in orbit transverse shifting it is achieved that retractable door 30 flexible Action.

Spider 40 is set in the position of middle door 3 center top, the driving electricity of 0.75kw is installed on the top of spider 40 Machine 41 and worm reduction gear 42:nmrv075-60-dz1-b3, the output shaft of motor 41 is connected worm reduction gear 42, snail Chain drum 43 on wheel reductor 42 output shaft is by the low speed of vertically arranged primary transmission chain 44 and primary transmission chain drum 45 End chain drum (big chain plate) is connected, and by the speed end chain drum (little chain drum) of primary transmission chain drum 45 through vertically arranged two grades Driving chain 46 is connected with low speed end chain drum (big chain plate) of secondary transmission chain drum 47, by the high speed of secondary transmission chain drum 47 End chain drum (little chain drum) (being divided into two coaxial speed end chain drums positioned at the inner side and outer side of low speed end chain drum) is respectively with three The chain drum of the inner and outer of level transmission chain plate is connected by the three-level driving chain of horizontally set.Wherein, the chain drum of inner side is The chain drum 491 in left side, the speed end chain drum of the inner side of secondary transmission chain drum 47 is connected with the chain drum 491 in left side with left chain 481, On external piece 501 of fixed chain on left chain 481, piece diameter 20mm length of welding is the round steel 511 of 2430mm, and will justify The other end of steel 511 is mutually welded with the retractable door 30 in left side, and the chain drum in outside is the chain drum 492 on right side, secondary transmission chain drum 47 The speed end chain drum in outside be connected with the chain drum 492 on right side with right chain 482, external piece of fixed chain on right chain 482 On 502, piece diameter 20mm length of welding is the round steel 512 of 2430mm, and the retractable door by the other end of round steel 512 and right side 30 mutually weld.

The chain drum 43 that motor 41 passes through on worm reduction gear 42 drives primary transmission 45 chain with primary transmission chain 44 Disk forward or reverse, primary transmission chain drum 4 drives secondary transmission chain drum 47, secondary transmission chain drum by 5 secondary transmission chain 46 Chain drum inside and outside 47 driving three-level driving chain namely left chain 481 and right chain 482 to move, by left chain 481 Upper fixed external piece 501 drive round steel 511 side-to-side movement of chain, to be driven retractable door 30 about the fortune in left side by round steel 511 Dynamic, by fixed external piece 502 drive round steel 512 side-to-side movement of chain on right chain 482, to be driven right side by round steel 512 Retractable door 30 side-to-side movement, finally realize the expanding-contracting action of two retractable doors 30.

Because the inside both sides kiln wall of kiln 1 is all attached with fire resisting cotton material, for avoiding rising in middle door 3 and retractable door 30 The resistance to Pyroxylin of attachment on kiln 1 inwall is damaged so middle door 3 both sides are designed as the flexible door of extension type during fall, First retractable door 30 is retracted before lifting, then lifted again, when declining, again will after middle door 3 drops to kiln 1 bottom Retractable door 30 is stretched out it is ensured that playing the purpose of warm area cut-off.

As shown in figure 3, before kiln 1 will move, namely first retractable door 30 is retracted before door 3 in lifting, then carry again Rise, when kiln 1 stops, door 3 in decline, again retractable door 30 is stretched out after middle door 3 drops to kiln 1 bottom, steel plate material Middle door 3 and retractable door 30 separate drying section 11 and preheating section 12, due to its be rigid material, so accurate positioning will not be put Dynamic, will not be suspended on piled bricks, be hardly damaged, and may insure arrival kiln 1 bottom, thus separate the drying section of leading portion 11 and the preheating section 12 of back segment, furnace zone 13, cooling section 14, reach the posterior segment by the leading portion cold air of kiln 1 and kiln 1 The purpose of hot-air isolation, so will only be drawn into the hot-air of posterior segment during blower fan 23 work, then heat is empty Gas passes through convulsion flue 11, flue collector 1, air-supply flue 12 are transported to the drying section 11 of kiln 1 leading portion and carry out green compact drying, such as schemes Wind direction shown in arrow in 1.The subregion like this thoroughly realizing kiln internal temperature extracts, and dries the air themperature energy of green compact Access and fully ensure that, be not in temperature phenomenon fluctuated, reached the purpose that green compact are dried it is therefore prevented that because of green compact Dry not in place and green compact that cause and fall base, the phenomenon that percent defective increases.

In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.Upper to the disclosed embodiments State bright, so that professional and technical personnel in the field is capable of or use this utility model.Multiple modifications to these embodiments are right Will be apparent from for those skilled in the art, generic principles defined herein can be without departing from this reality In the case of new spirit or scope, realize in other embodiments.Therefore, this utility model is not intended to be limited to this These embodiments shown in literary composition, and it is to fit to the wide scope consistent with principles disclosed herein and features of novelty.

Claims (5)

1. the telescopic middle door free of replacement of a kind of Mobile rotary kiln, kiln has drying section, preheating section, furnace zone, cold But section it is characterised in that: kiln is provided with, in the boundary line position of drying section and preheating section, the steel that can separate drying section and preheating section The middle door of sheet material matter, kiln is provided with motor hoist support above middle door, and on motor hoist support, the electronic of installation carries Door during the chain setting connects is rolled up on the output shaft of the machine of liter.

2. the telescopic middle door free of replacement of Mobile rotary kiln as claimed in claim 1 it is characterised in that: there are two Motor hoist, two motor hoists are symmetrical arranged with respect to the vertical axis of middle door.

3. the telescopic middle door free of replacement of Mobile rotary kiln as claimed in claim 1 it is characterised in that: the two of middle door Side can be provided with retractable door respectively transverse shifting, and on middle door, set power source is connected with driving-chain and drives retractable door to move.

4. the telescopic middle door free of replacement of Mobile rotary kiln as claimed in claim 3 it is characterised in that: described power Source is motor, and the output shaft of motor connects with linked transmission and drive the chain drum in the middle part of middle door, this chain drum with Left chain connects and drives the chain drum on the left of it, drives the chain drum on the right side of it with right chain, and on left chain, fixed chain is external Connecting rod, the retractable door in the connected left side of the other end of connecting rod are fixed with block, on right chain, external piece of fixed chain is upper solid It is connected with connecting rod, the retractable door on the connected right side of the other end of connecting rod.

5. the telescopic middle door free of replacement of Mobile rotary kiln as claimed in claim 3 it is characterised in that: Zhong Men bottom It is installed with horizontal channel-section steel, the rolling bearing that the bottom of retractable door is pivoted rollably is placed in the groove of channel-section steel.