CN208804221U - A kind of sealing structure for being mounted on roller and expecting between end - Google Patents

Abstract

The utility model discloses a kind of sealing structure for being mounted on roller and expecting between end, belongs to mechanical equipment technical field.The sealing structure includes being mounted on the sealing conehead that material end inner face is in frustum of a cone shell structure, and the small end cone mouth surface for sealing conehead is incorporated in by pressing plate and bolt and is circumferentially successively staggeredly superimposed arrangement several sealing elements with sealed taper capitiform at complete seal frustum of a cone shell after a week；Sealing element is polyline shaped structure, and the tail portion bending section of sealing element is pressed together on positioned at the correction circle outer surface of drying machine drum end surfaces evagination, and the annular extension spring by being pressed together on all sealing element bending parts is fastened as a whole.The utility model is between material end inner end and roller outer end by sealing element and sealed taper capitiform at the frustum of a cone shell of complete seal, it seals drying machine drum and expects the gap between end, can be effectively prevented roller end leak out, material leakage, thus the yield and quality of the energy saving coal slime that reduces environmental pollution, improves.

Description

A kind of sealing structure for being mounted on roller and expecting between end

Technical field

The utility model belongs to mechanical equipment technical field, is more specifically related to one kind and is mounted between roller and material end Sealing structure, the roller drying machine being particularly suitable in coal slime drying system.

Background technique

Coal slime is one of the principal by product of coal industry deep processing.Since coal slime moisture content is higher, it is necessary to after drying could It uses.In order to reduce the original moisture content of coal slime, need by coal slime drying system, many coal slime drying also successively occurs in the country System, and roller drying machine is an indispensable important component in coal slime drying system, the quality of roller drying machine The yield of coal slime drying system is directly affected with ability to work.Wherein, positioned at roller drying machine charging end and the end that discharges Sealing structure, which has, prevents material from leaking outside the gentle critical function leaked in vitro.But conventional seals structure is using woven belt as close Band is sealed, is easy to burn out, roller drying machine is caused to occur gas leakage and partial material leakage (the i.e. winged material in end during operation Phenomenon), very big influence is caused to working environment.More specifically, gas leakage refers to air leakage phenomena, if it is hot end (roller Feed end) it leaks out, secondary air temperature will be reduced, heat loss is caused；It leaks out if it is cold end (roller discharge end), not only fuel is not Energy full combustion, and will affect ventilation in cylinder, increase heat consumption, influences the yield and quality of coal slime；Meanwhile cold end is leaked out meeting It causes containing a large amount of dust shape material in cold end exhaust gas, it is excessive due to down draught, it not only polluted environment, but also be good for post worker Health damages.

Summary of the invention

The purpose of this utility model is exactly the shortcoming being directed in the presence of the above-mentioned prior art and provides a kind of installation Sealing structure between roller and material end.The utility model between material end inner end and roller outer end by sealing element and Sealed taper capitiform seals drying machine drum and expects the gap between end, prevent material at the frustum of a cone shell of complete seal It flies out, hot gas overflows and cold air enters, it can effectively prevent roller end to leak out, material leakage, thus energy saving, reduction ring Border pollution, the yield and quality for improving coal slime.

The purpose of this utility model can be realized by following technique measures:

The sealing structure being mounted between roller and material end of the utility model, it is characterised in that: it includes being mounted on Expect that end (can be feeding end, be also possible to blanking end) inner face is in the sealing conehead of frustum of a cone shell structure, passes through Pressing plate and bolt be incorporated in it is described sealing conehead small end cone mouth surface and circumferentially successively staggeredly superposition arrangement after a week with it is close Seal conehead formed complete seal frustum of a cone shell several sealing elements (sealing element and sealed taper capitiform at complete seal circular cone Platform shell, seal drying machine drum and expect end between gap, prevent material from flying out, hot gas overflow and cold air enter, Roller end can be effectively prevent to leak out, material leakage, thus the yield and matter of the energy saving coal slime that reduces environmental pollution, improves Amount)；The sealing element is polyline shaped structure, and the tail portion bending section of sealing element is pressed together on positioned at drying machine drum end surfaces evagination Correction circle outer surface, and the annular extension spring by being pressed together on all sealing element bending parts is fastened as a whole and (is drawn using annular Stretch spring telescopicing performance can compensate automatically drying machine drum rotation when beat).

Several connectors, the connection are provided with interval mode in the annular extension spring in the present invention The other end of part is fixed on the bolt closed on (connector is for preventing annular extension spring from shifting).

The non-bending end of each sealing element offers at least two bolts hole in the present invention；In the sealing On the small end cone mouth surface of conehead be provided with the one-to-one bolt hole of each sealing element (convenient for installing bolt, smoothly will be close Sealing is pressed together between pressing plate and sealing conehead).

The design principle of the utility model is as follows:

The utility model is between material end inner end and roller outer end by sealing element and sealed taper capitiform at complete seal Frustum of a cone shell, seal drying machine drum and expect end between gap, prevent material from flying out, hot gas overflow and cold air Into, it can it effectively prevent roller end to leak out, material leakage, thus the yield of the energy saving coal slime that reduces environmental pollution, improves And quality.More specifically, the utility model is by being circumferentially successively staggeredly superimposed the sealing element and sealed taper capitiform arranged one week At the frustum of a cone shell of complete seal, and all sealing elements are fastened as a whole by being pressed together on the annular extension spring of bending part, It not only effectively seals drying machine drum and expects gap between end, roller end is effectively prevent to leak out and material leakage, Er Qieli Compensate beat when drying machine drum rotation automatically with the telescopicing performance of annular extension spring.Since the utility model can prevent Material flies out, so greatly reducing the pollution to environment；Due to the utility model can prevent drying machine drum hot end (i.e. into Material end or feeding end end) it leaks out, reduce heat loss, it is energy saving；Since the utility model can prevent drying machine drum Cold end (i.e. discharge end or discharging end head end) leak out, promote full combustion of fuel, can it is energy saving, improve coal slime yield And quality, while it is excessive to avoid the cold end exhaust gas containing a large amount of dust shape material, reduces environmental pollution and to workers ' health Harm.

The advantageous effects of the utility model are as follows:

The utility model is between material end inner end and roller outer end by sealing element and sealed taper capitiform at complete seal Frustum of a cone shell, seal drying machine drum and expect end between gap, prevent material from flying out, hot gas overflow and cold air Into, it can it effectively prevent roller end to leak out, material leakage, thus the yield of the energy saving coal slime that reduces environmental pollution, improves And quality.

Detailed description of the invention

Fig. 1 is the position view that the utility model is mounted on roller Yu feeding end.

Fig. 2 is the position view that the utility model is mounted on roller Yu blanking end.

Fig. 3 is the structural schematic diagram of the utility model.

Fig. 4 is sealing element in the utility model (i.e. part 2) part drawing.

Fig. 5 is the top view of Fig. 4.

Number explanation in figure: 1, feeding end, 1 ', blanking end, 2, sealing element, 3, connector, 4, annular extension spring, 5, correction circle, 6, drying machine drum, 7, sealing conehead, 8, pressing plate, 9, bolt.

Specific embodiment

The utility model is further described below with reference to attached drawing:

As shown in fig. 1~fig. 5, the sealing structure being mounted between roller and material end of the utility model includes being mounted on Expect that end (can be feeding end 1, be also possible to blanking end 1 ') inner face is in the sealing conehead 7 of frustum of a cone shell structure, The small end cone mouth surface for being incorporated in the sealing conehead 7 by pressing plate 8 and bolt 9 and circumferentially successively staggeredly superposition arrangement one Zhou Houyu sealing conehead 7 forms several sealing elements 2(sealing element 2 of complete seal frustum of a cone shell and sealing conehead 7 has been formed The frustum of a cone shell of whole sealing seals drying machine drum 6 and expects the gap between end, prevents material from flying out, hot gas overflows With cold air enter, it can effectively prevent roller end to leak out, material leakage, thus it is energy saving, reduce environmental pollution, improve coal The yield and quality of mud)；The sealing element 2 is polyline shaped structure, and the tail portion bending section of sealing element 2 is pressed together on to be rolled positioned at dryer 5 outer surface of correction circle of 6 end surfaces evaginations of cylinder, and the annular extension spring 4 by being pressed together on all 2 bending parts of sealing element fastens It is integrated and (beat when drying machine drum 6 rotates can be compensated automatically using the telescopicing performance of annular extension spring 4).

Several connectors 3, the company are provided with interval mode in the annular extension spring 4 in the present invention The other end of fitting 3 is fixed on the bolt closed on (connector 3 is for preventing annular extension spring 4 from shifting).

The non-bending end of each sealing element 2 offers at least two bolts hole in the present invention；Described close It seals to match on the small end cone mouth surface of conehead 7 and be provided with the one-to-one bolt hole of each sealing element 2 (convenient for installing bolt 9, smoothly Sealing element 2 is pressed together between pressing plate 8 and sealing conehead 7).

The particular condition in use of the utility model is as follows:

Firstly, by the sealing conehead 7 in the utility model be welded to material end end face (can be feeding end 1, referring to Fig. 1；It is also possible to blanking end 1 ', referring to fig. 2)；Then, 2 one end of sealing element is pressed together on positioned at 6 end surfaces of drying machine drum The correction of evagination is enclosed on 5 outer surfaces, the other end is overlapped on the upper of the small end cone mouth surface for sealing conehead 7, and circumferentially successively hands over Mistake superposition arrangement one week, complete seal frustum of a cone shell was formed with sealing conehead 7；Then, the tail portion folding of all sealing elements 2 is adjusted Curved segment alignment, by annular 4 ring set of extension spring in 2 outer surface of sealing element；Finally by the displacement of annular extension spring 4, clip to institute There is the bending part of sealing element 2；According to the bolt hole position in each sealing element 2 on the small end cone mouth surface of sealing conehead 7 With opening bolt hole；Install bolt 9, tightening nut.In this way, just the utility model is mounted on outside material end inner end and roller Between end, seals drying machine drum and expect the gap between end, sheet is practical when subsequent start-up roller drying machine works normally It is novel it is prevented that material fly out, hot gas overflow and cold air enter, it can effectively prevent roller end to leak out, material leakage, To energy saving, the coal slime that reduces environmental pollution, improves yield and quality.

Claims (3)

1. a kind of sealing structure for being mounted on roller and expecting between end, it is characterised in that: it includes being mounted on material end inner end Face is in the sealing conehead (7) of frustum of a cone shell structure, is incorporated in the small of sealing conehead (7) by pressing plate (8) and bolt (9) End cone discharge surface and circumferentially successively staggeredly superposition arrangement after a week with sealing conehead (7) formed complete seal frustum of a cone shell Several sealing elements (2)；The sealing element (2) is polyline shaped structure, and the tail portion bending section of sealing element (2), which is pressed together on to be located at, to be dried Correction circle (5) outer surface of dry machine cylinder (6) end surfaces evagination, and the annular by being pressed together on all sealing elements (2) bending part Extension spring (4) is fastened as a whole.

2. according to claim 1 be mounted on roller and expect the sealing structure between end, it is characterised in that: in the ring Several connectors (3) are provided with interval mode in shape extension spring (4), the other end of the connector (3), which is fixed on, to be faced On close bolt.

3. according to claim 1 be mounted on roller and expect the sealing structure between end, it is characterised in that: in each institute The non-bending end for stating sealing element (2) offers at least two bolts hole；Match on the small end cone mouth surface of sealing conehead (7) It is provided with and each sealing element (2) one-to-one bolt hole.