CN104100719B - Tightness system between circular cooler trolley bottom and bellows - Google Patents

Tightness system between circular cooler trolley bottom and bellows Download PDF

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Publication number
CN104100719B
CN104100719B CN201410321883.6A CN201410321883A CN104100719B CN 104100719 B CN104100719 B CN 104100719B CN 201410321883 A CN201410321883 A CN 201410321883A CN 104100719 B CN104100719 B CN 104100719B
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bellows
wind
band
heat insulation
inflation
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CN104100719A (en
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关兴旺
关珍旺
关越
张国庆
郭云奇
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Baoji Jinwangda Machinery Equipment Co Ltd
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Baoji Jinwangda Machinery Equipment Co Ltd
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Abstract

Tightness system between circular cooler trolley bottom and bellows, comprises the upper sealing portion fixed with pallet bottom, and described upper sealing portion is arranged along chassis length direction, and is horizontal; Bottom surface, described upper sealing portion is provided with stainless steel slideway; Be provided with heat insulation perpendicular plate at bellows top, heat insulation perpendicular plate arranged outside has inflation to keep out the wind band, and the described inflation band that keeps out the wind is arranged along bellows top, is connected as a single entity in annular, and described inflation is kept out the wind the top of band and described stainless steel slideway bottom surface sliding contact. The present invention arranges heat insulation perpendicular plate at bellows top; the band that keeps out the wind is inflated in heat insulation perpendicular plate arranged outside; heat insulation perpendicular plate high temperature air and inflation are kept out the wind band isolated; the upper sealing portion contact seal that inflation is kept out the wind and is with pallet bottom; good sealing effect, leak stopping is complete, and installation rate is fast; stop time is short, is convenient to installation and maintenance.

Description

Tightness system between circular cooler trolley bottom and bellows
Technical field
The invention belongs to technical field of metallurgical equipment, particularly relate on a kind of central cooler the tightness system for sealing gap between chassis bottom and bellows used.
Background technology
Blowing circular colling machine is one of important equipment of SINTERING PRODUCTION technique, for cool through sinter machine roasting and through the sintering mineral aggregate of single roll crusher fragmentation. As depicted in figs. 1 and 2, central cooler one-piece construction is annular, chassis 100 put into by high temperature sintering mineral aggregate, the circular orbit 101 of chassis 100 on central cooler at the uniform velocity runs, simultaneously, air is upwards blown into by bellows 102 by gas blower below central cooler, and air enters in chassis from the cavity chassis base plate, is cooled by the mineral aggregate in chassis 100. Chassis detours one week on central cooler, after completing the cooling of agglomerate, is unloaded by the mineral aggregate after cooling in the discharging district of central cooler.
At present, what central cooler adopted is all air blast cooling, therefore, the utilising efficiency of the air sent into by gas blower directly affects the cooling efficiency of central cooler, in order to ensure the service efficiency of freezing air, then require that the space between pallet bottom and bellows obtains effective sealing, prevent air from spilling from space between the two. As shown in Figure 3 and Figure 4, between the pallet bottom of existing central cooler and bellows, space generally adopts the mode of dynamic and static sealing to seal. Arranging dynamic seal plate 103 bottom chassis 100, dynamic seal plate 103 moves with chassis 100, and dynamic seal plate 103 contacts with the retaining plate 104 being fixed on bellows 102 and realizes sealing; Also being provided with the static seal plate 105 being positioned at outside dynamic seal plate 103 on bellows 102, static seal plate 105 touches with chassis 100 bottom connection and realizes sealing simultaneously. Adopting double-layer rubber sealing plate to carry out sealing in prior art, in use, sealing plate easily weares and teares and is torn fracture, cause leaking out seriously, affect cooling efficiency, and need frequent replacing after damaging, maintenance cost is very high, and to be changed two layers of sealing plate when changing, and operation is numerous and diverse.
In order to improve sealing effect, reduce maintenance cost, application number be 201410021359.7 Chinese invention patent application disclose a kind of upper sealer of trolley for circular refrigerator, it comprises top hydrodynamic reciprocating sealing body, bottom fixing seal body, being provided with airtight bellows sealing member between top hydrodynamic reciprocating sealing body and bottom fixing seal body, this airtight bellows sealing member and top hydrodynamic reciprocating sealing body are slidably connected, and airtight bellows sealing member is fixedly connected with bottom fixing seal body.This patent application adopts metal knitted capsule for the elevated-temperature seal of cold one section of ring, arranges spring in metal knitted capsule, and spring is by metal knitted capsule upwards jack-up so that it is contact with top hydrodynamic reciprocating sealing body. But the sealing effect reached wanted by metal knitted capsule, its complex manufacturing technology, cost height, but also need to arrange spring in inside, structure relative complex. And the rubber cavity air bag being located between upper and lower leveling board sealing member, the pre-embedded bolt of bottom is only leaned on to fix, the air air quantity being upwards blown into from bellows due to gas blower is very big, swing about making the air bag being arranged between upper and lower sealing member, part seal failure is caused owing to position is unfixing, and the inner side of air bag directly contacts with high temperature air in bellows, high temperature can accelerate the aging speed of rubber cavity air bag, shorten its work-ing life, increase maintenance cost, and mode with bolts both had been inconvenient to install and is also not easy to Maintenance and Repair.
Summary of the invention
It is an object of the invention to provide the tightness system that a kind of structure is simple, overhaul convenience, good sealing effect, for the sealing in gap between circular cooler trolley bottom and bellows.
In order to realize above-mentioned purpose, the present invention takes following technical solution:
Tightness system between circular cooler trolley bottom and bellows, comprises the upper sealing portion fixed with pallet bottom, and described upper sealing portion is arranged along chassis length direction, and is horizontal; Bottom surface, described upper sealing portion is provided with stainless steel slideway; Be provided with heat insulation perpendicular plate at bellows top, heat insulation perpendicular plate arranged outside has inflation to keep out the wind band, and the described inflation band that keeps out the wind is arranged along bellows top, is connected as a single entity in annular, and described inflation is kept out the wind the top of band and described stainless steel slideway bottom surface sliding contact.
As a kind of improvement of the tightness system that the present invention is used between circular cooler trolley bottom and bellows, described inflation is kept out the wind and is with as inflated rubber band.
As a kind of improvement of the tightness system that the present invention is used between circular cooler trolley bottom and bellows, described heat insulation perpendicular plate outer surface is provided with dovetail-indent, described inflation is kept out the wind and is provided with the position fixed block corresponding with described dovetail-indent position on band sidewall, the perpendicular cross-sectional shape of described fixed block is trapezoidal, buckles with described dovetail-indent card and coordinates.
A kind of improvement being used for tightness system between circular cooler trolley bottom and bellows as the present invention, the keep out the wind thickness of band roof of described inflation is greater than the thickness of other sidewall.
A kind of improvement being used for tightness system between circular cooler trolley bottom and bellows as the present invention, kept out the wind in the top of band in described inflation and the bottom surface of described stainless steel slideway is arc.
As a kind of improvement of the tightness system that the present invention is used between circular cooler trolley bottom and bellows, described dovetail-indent is the groove running through heat insulation perpendicular plate length direction, or arranges along the length direction interval of heat insulation perpendicular plate.
As a kind of improvement of the tightness system that the present invention is used between circular cooler trolley bottom and bellows, described inflation is kept out the wind to bring and is provided with gas-filled valve and eduction pipe, and gas-filled valve and eduction pipe are provided with valve.
As a kind of improvement of the tightness system that the present invention is used between circular cooler trolley bottom and bellows, above described stainless steel slideway, it is provided with heat insulation backing plate.
A kind of improvement being used for tightness system between circular cooler trolley bottom and bellows as the present invention, described heat insulation backing plate described stainless steel slideway and described between sealing portion.
As shown from the above technical solution, the present invention arranges heat insulation perpendicular plate at wind direction top, the band that inflation kept out the wind is fixed on outside heat insulation perpendicular plate, inflate band top of keeping out the wind to contact with sealing portion on pallet bottom with fixing, keep out the wind in upper sealing portion and inflation and between band top, have stainless steel slideway, inflation is kept out the wind and is with and stainless steel slideway sliding contact, realize the sealing in space between pallet bottom and bellows, and the heat insulation perpendicular plate band that high temperature air in bellows and inflation kept out the wind keeps apart, the high temperature air band that can not directly keep out the wind with inflation is contacted, to extend the work-ing life that inflation is kept out the wind and is with, reduce maintenance cost, adopt dynamic with prior art, static seal plate sealed structure is compared, present configuration is simple, easy accessibility, not easily damage. in preferred version, inflation is kept out the wind to be with and is adopted tenon structure assembling with heat insulation perpendicular plate, overcomes the mode adopting bolt to fix and easily damages sealing plate and dismount troublesome deficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the central cooler of prior art.
Fig. 2 is the vertical view of the central cooler of prior art.
Fig. 3 is the assembling schematic diagram between the circular cooler trolley of prior art and bellows.
Fig. 4 is the enlarged diagram of part A in Fig. 3.
Fig. 5 is the structural representation of the embodiment of the present invention 1.
Fig. 6 is the enlarged diagram of part B in Fig. 5.
Fig. 7 is the structural representation of the embodiment of the present invention 2.
Fig. 8 is the decomposition structural representation of the embodiment of the present invention 3.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in more detail.
Embodiment
Embodiment 1
As shown in Figures 5 and 6, the annular framework 1 of central cooler is provided with the guide rail 2 around frame 1, chassis 3 is set up on guide rail 2, chassis 3 runs along guide rail 2, gas blower (not shown) is blown into air in bellows 4, sintering mineral aggregate in chassis 3 from pallet bottom to blowing up, thus is cooled by cooling air through bellows 4. In order to prevent air from the gap between pallet bottom and bellows to outward leakage, being provided with tightness system 5 between pallet bottom and bellows sidepiece, the tightness system 5 of the present invention comprises sealing portion 5-1, heat insulation perpendicular plate 5-2, inflates the band 5-3 that keeps out the wind. Upper sealing portion 5-1 level is fixed on bottom chassis 100, is provided with stainless steel slideway 5-4 on 5-1 bottom surface, upper sealing portion, and stainless steel slideway 5-4 forms the sealing contact surface of a level. Heat insulation perpendicular plate 5-2 is fixedly installed in bellows 4 top, is separated out outside bellows and space inside bellows. For convenience of description, the side near bellows center being defined as inner side, the side away from bellows center is outside. Being processed with dovetail-indent 5-2a on the outer surface of heat insulation perpendicular plate 5-2, dovetail-indent 5-2a can be the groove running through heat insulation perpendicular plate 5-2 length direction, it is also possible to the length direction interval along heat insulation perpendicular plate is arranged. Inflating the annular inflatable band that the band 5-3 that keeps out the wind adopts rubber high temperature resistant, wear-resisting to make, this aeration zone is arranged along bellows top. Inflate and the band 5-3 that keeps out the wind is provided with gas-filled valve and eduction pipe, gas-filled valve and eduction pipe are provided with valve. Insufflation gas in band 5-3 keep out the wind by gas-filled valve to inflation, makes the inflation band 5-3 that keeps out the wind form a windbreak, and the keep out the wind top surface of band 5-3 of inflation contacts with the stainless steel slideway 5-4 on 5-1 bottom surface, upper sealing portion. The sidewall inflating the band 5-3 that keeps out the wind is provided with the mounting blocks 5-3a corresponding with dovetail-indent position on heat insulation perpendicular plate 5-2, the perpendicular cross-sectional shape of this mounting blocks 5-3a is trapezoidal, mounting blocks 5-3a matches with the dovetail-indent 5-2a on heat insulation perpendicular plate 5-2, and the band 5-3 that can inflation be kept out the wind when mounting blocks 5-3a card is entered dovetail-indent 5-2a is installed on heat insulation perpendicular plate 5-2. When needs overhaul, outwards being discharged from eduction pipe by the gas that inflation is kept out the wind in band 5-3, mounting blocks 5-3a is extracted by maintenance personnel from dovetail-indent 5-2a, so that it may inflation to be kept out the wind, band 5-3 takes off from heat insulation perpendicular plate 5-2.
The present invention arranges the upper sealing portion of level at pallet bottom, upper sealing portion is provided with u on bottom surface, the stainless steel slideway of smooth abrasion-proof, the band that inflation kept out the wind is installed on bellows top, inflation is kept out the wind after band inflation, form the two circle windbreaks that top surface contacts with stainless steel slideway, this windbreak is positioned at the outside of heat insulation perpendicular plate, the warm air of bellows inside is kept off by heat insulation perpendicular plate resistance, the band that can not directly keep out the wind with inflation contacts, the band such that it is able to protection inflation is kept out the wind, extend its work-ing life, heat insulation perpendicular plate also plays the effect that fixing inflation is kept out the wind and is with simultaneously, owing to windscreen is lived by heat insulation perpendicular plate, prevent from inflating the impact of the big air quantity air-flow that the band that keeps out the wind is subject to blow out in bellows and left and right swings displacement, realize leak stopping complete, ensure sealing effect.And the formula of the inflating band that keeps out the wind adopts mortise and tenon type structure to coordinate with between heat insulation perpendicular plate, installation rate is fast, and the repair time is short, and stop time is short. The inflation shelves wind band of the present invention can thicken on surface of friction, and surface of friction thickness is greater than other lateral thickness, extends work-ing life.
Embodiment 2
As shown in Figure 7, the present embodiment place different from embodiment 1 is: the keep out the wind perpendicular cross-sectional shape of band 5-3 of inflation is oval (or circular), the bottom surface of stainless steel slideway 5-4 is the arc that band 5-3 top coordinates that keeps out the wind with inflation, stainless steel slideway 5-4 adopts lower arcuate surface, can ensure to inflate the contact area at band top of keeping out the wind with ellipse, it is ensured that sealing effect.
Embodiment 3
As shown in Figure 8, the present embodiment place different from embodiment 1 is: be provided with two row dovetail-indent 5-2a on heat insulation perpendicular plate 5-2, on band 5-3 is kept out the wind in inflation, correspondence position is also provided with two row mounting blocks 5-3a, mounting blocks is buckled with dovetail-indent card and is coordinated, thus the band that inflation kept out the wind is fixed on outside heat insulation perpendicular plate. In addition, the present embodiment arranges heat insulation backing plate 5-5 above stainless steel slideway 5-4, heat insulation backing plate 5-5 is between upper sealing portion 5-1 and stainless steel slideway 5-4, for intercepting the conduction of chassis high temperature to stainless steel slideway 5-4, upper sealing portion 5-1 can adopt Q245R heat-resisting steel sheet and plate, upper sealing portion 5-1 welds with pallet bottom and forms its planar annular, and stainless steel slideway 5-4 is fixed by countersunk screw and upper sealing portion. Or, described upper sealing portion is heat insulation backing plate.
The tightness system of the present invention is arranged at the top of circular cooler both sides, the windbreak of twice annular is formed between pallet bottom and bellows, heat insulation perpendicular plate is set inside windbreak simultaneously, the installation location kept out the wind for heat insulation and inflation and be with, inflating the band that keeps out the wind can be the shapes such as circle, ellipse, rectangle, square, those skilled in the art can make respective design according to different situations, it is achieved full section sealing. Adopting the present invention to be sealed in space between pallet bottom and bellows, owing to sealing effect improves, leak out and obviously reduce, the ability of afterheat generating system waste heat recovery is obviously increased, the spent air temperture for waste heat boiler can improve about 50 degree. Thus improve steam production and the temperature of waste heat boiler.
In this specification sheets, each part adopts the mode gone forward one by one to describe, and what each part emphasis illustrated is the difference with other parts, between each part same or similar part mutually see. Syntagmatic between these component is not only the form disclosed in embodiment, to the above-mentioned explanation of the disclosed embodiments, enables professional and technical personnel in the field realize or use the present invention. To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments. Therefore, the present invention can not be limited in embodiment illustrated herein, but be met the most wide region consistent with principle disclosed herein and features of novelty.

Claims (9)

1. tightness system between circular cooler trolley bottom and bellows, comprises the upper sealing portion fixed with pallet bottom, and described upper sealing portion is arranged along chassis length direction, and is horizontal;
It is characterized in that:
Bottom surface, described upper sealing portion is provided with stainless steel slideway;
Be provided with heat insulation perpendicular plate at bellows top, heat insulation perpendicular plate arranged outside has inflation to keep out the wind band, and the described inflation band that keeps out the wind is arranged along bellows top, is connected as a single entity in annular, and described inflation is kept out the wind the top of band and described stainless steel slideway bottom surface sliding contact.
2. the tightness system between circular cooler trolley bottom and bellows as claimed in claim 1, it is characterised in that: described inflation is kept out the wind and is with as inflated rubber band.
3. the tightness system between circular cooler trolley bottom and bellows as claimed in claim 1 or 2, it is characterized in that: described heat insulation perpendicular plate outer surface is provided with dovetail-indent, described inflation is kept out the wind and is provided with the position fixed block corresponding with described dovetail-indent position on band sidewall, the perpendicular cross-sectional shape of described fixed block is trapezoidal, buckles with described dovetail-indent card and coordinates.
4. tightness system between circular cooler trolley bottom and bellows as claimed in claim 1, it is characterised in that: the keep out the wind thickness of band roof of described inflation is greater than the thickness of other sidewall.
5. tightness system between circular cooler trolley bottom and bellows as claimed in claim 1 or 2, it is characterised in that: kept out the wind in the top of band in described inflation and the bottom surface of described stainless steel slideway is arc.
6. the tightness system between circular cooler trolley bottom and bellows as claimed in claim 3, it is characterised in that: described dovetail-indent is the groove running through heat insulation perpendicular plate length direction, or arranges along the length direction interval of heat insulation perpendicular plate.
7. the tightness system between circular cooler trolley bottom and bellows as claimed in claim 1, it is characterised in that: described inflation is kept out the wind to bring and is provided with gas-filled valve and eduction pipe, and gas-filled valve and eduction pipe are provided with valve.
8. the tightness system between circular cooler trolley bottom and bellows as claimed in claim 1, it is characterised in that: it is provided with heat insulation backing plate above described stainless steel slideway.
9. tightness system between circular cooler trolley bottom and bellows as claimed in claim 8, it is characterised in that: described heat insulation backing plate described stainless steel slideway and described between sealing portion.
CN201410321883.6A 2014-07-08 2014-07-08 Tightness system between circular cooler trolley bottom and bellows Active CN104100719B (en)

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Publication number Priority date Publication date Assignee Title
CN104596285A (en) * 2015-01-23 2015-05-06 张家港市发力机械有限公司 Side sealing device between trolley and air box in sintering production line

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CN203615741U (en) * 2013-11-01 2014-05-28 西安越达环保科技有限公司 Sintering or cooling equipment with differential pressure-side sealing device
CN204083230U (en) * 2014-07-08 2015-01-07 宝鸡市晋旺达机械设备有限公司 A kind of for the seal arrangement between circular cooler trolley bottom and bellows

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Publication number Priority date Publication date Assignee Title
CN201892431U (en) * 2010-09-25 2011-07-06 浙江西子联合工程有限公司 Sealing device for lower part of circular cooler trolley
CN102121793A (en) * 2011-01-25 2011-07-13 宝鸡市晋旺达机械设备有限公司 Sealing device for sintering machine trolley and air box
CN102937186A (en) * 2012-12-01 2013-02-20 新余钢铁集团有限公司 Dynamic sealing device for sintered ring cooling machine trolley
CN203615741U (en) * 2013-11-01 2014-05-28 西安越达环保科技有限公司 Sintering or cooling equipment with differential pressure-side sealing device
CN103743248A (en) * 2014-01-23 2014-04-23 秦皇岛鸿泰机械有限公司 Ring cooler containing type mechanical seal system
CN204083230U (en) * 2014-07-08 2015-01-07 宝鸡市晋旺达机械设备有限公司 A kind of for the seal arrangement between circular cooler trolley bottom and bellows

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