CN102121796B - Ring cooling machine trolley and ring cooling machine with trolley - Google Patents
Ring cooling machine trolley and ring cooling machine with trolley Download PDFInfo
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- CN102121796B CN102121796B CN2011100399588A CN201110039958A CN102121796B CN 102121796 B CN102121796 B CN 102121796B CN 2011100399588 A CN2011100399588 A CN 2011100399588A CN 201110039958 A CN201110039958 A CN 201110039958A CN 102121796 B CN102121796 B CN 102121796B
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Abstract
The invention discloses a ring cooling machine trolley. Two vertical support plates vertical to the running radius direction of the ring cooling machine trolley are arranged between a grate plate and a lower flat plate of the ring cooling machine trolley. The bottoms of the preposed ends of the two vertical support plates are provided with a buildup accommodation space respectively. A connecting part is fixedly arranged between the two vertical support plates. A radial distance between the inner vertical support plate and an inner sealing plate of the trolley, the radial distance between the outer vertical support plate and an outer sealing plate of the trolley, a vertical distance between the connecting part and the lower flat plate of the trolley, a peripheral distance between the root part of the buildup accommodation space on each vertical support plate and a static sealing device of a preposed support beam of the trolley, and the height dimension of the buildup accommodation space are all more than a preset distance. The lower flat plate of the trolley can realize smooth discharging in the local area range of the static sealing device of the trolley, and effectively overcomes the shortcoming that the preposed ends of the vertical plates block materials to cause damages to the static sealing and the lower flat plate of the trolley. Based on the ring cooling machine trolley, the invention also provides a ring cooling machine with the trolley.
Description
Technical field
The present invention relates to field of iron and steel smelting, be specifically related to a kind of circular cooler trolley and have the central cooler of this chassis.
Background technology
Central cooler is used to cool off the high-temperature material of sintering in iron and steel enterprise.Central cooler integral body is annular, along circumferentially being divided into cooling zone and non-cooling zone.In the operation process, mineral aggregate to be cooled injects each circular cooler trolley from the loading station of non-cooling zone, and cool off mineral aggregate through pressure wind the back in the entering cooling zone, and then each circular cooler trolley gets into the unloading station of non-cooling zone, accomplishes cooling and discharging.
Existing circular cooler trolley is a double-decker, and the upper strata is the comb flaggy that is used to carry material, and lower floor is the structure flat layer.Publication number is that the patent documentation of CN101614479 specifically discloses a kind of circular cooler trolley, is provided with first supporting vertical plate 13 perpendicular to circular cooler trolley running radial direction, second supporting vertical plate 14, the 3rd supporting vertical plate 15, and the 4th supporting vertical plate 16 between its comb plate 11 and the chassis lower floor dull and stereotyped 12.Above-mentioned four supporting vertical plate are evenly shared the pressure that comb plate 11 transmits downwards.
Medium position in the trolley body front end is provided with the ball pivot device that connects with the preposition backbar of chassis, and the rear side radially is provided with two bogie wheels that roll along guide rail.In the cooling operations district, two bogie wheels are bearing on the horizontal rail; In the discharge operation district, when chassis carried out discharging, chassis was that the center rotates with the ball pivot, and the ball pivot device station that the front end connects with the chassis backbar is constant, and the chassis bogie wheel descends along the discharging bend gradually.Along with trolley body tilts to the rear side gradually, the mineral aggregate on the comb plate of chassis upper strata begins landing from the comb plate face that tilts.
As everyone knows, because the bed of material on the trolley grating plate is thicker, and has certain altitude and (reach 1.4～1.5m); Tilt gradually at trolley grating plate; When relatively the preposition backbar of this chassis opened gradually in the chassis front end, the mineral aggregate on the preposition backbar back side panel of chassis front end and this chassis will be from open opening part to the whereabouts, and falls the dull and stereotyped front end of chassis lower floor; And then from the dull and stereotyped front end of chassis lower floor to the rear side landing of tilting, until discharging chassis.
But because the front end of four risers of chassis faces the gliding direction of aforementioned whereabouts mineral aggregate, therefore, there is the effect that stops that mineral aggregate glides the front end of riser, and the mineral aggregate that is prevented from gliding will rest on the front end of riser.Obviously, the chassis discharging finishes when recovering station, and the mineral aggregate in the riser front end just might be sandwiched between the chassis static seal of chassis lower floor flat board and chassis front end, damages the chassis static seal device; Even crushing chassis lower floor is dull and stereotyped, causes the chassis weld cracking, produces permanent deformation etc.
Particularly, the backgauge effect of two risers in the middle of being positioned at is very big near the influence of the static seal device the ball pivot seat of chassis front end, and the crushing problem is not solved fully; In addition, near the backgauge of two risers of the inside and outside both sides of chassis the damage problem of the static seal device at chassis inner seal plate 17 and sealing plate 18 places, the chassis outside is also eliminated fully.
In view of this, demand urgently being optimized design,, guarantee complete unloading, can effectively protect the dull and stereotyped and chassis static seal device of chassis lower floor so that the dull and stereotyped discharging of chassis lower floor is smooth and easy to existing chassis structure.
Summary of the invention
To above-mentioned defective, the technical problem that the present invention solves is to provide a kind of circular cooler trolley, and its chassis lower floor flat board can be realized complete unloading, has effectively evaded riser front end backgauge and causes damaging the dull and stereotyped defective of chassis static seal and chassis lower floor.On this basis, the present invention also provides a kind of central cooler with this chassis.
Circular cooler trolley provided by the invention; Be provided with supporting vertical plate between its comb plate and the chassis lower floor flat board perpendicular to said circular cooler trolley running radial direction; Said supporting vertical plate is two; The bottom of the front end of two said supporting vertical plate is equipped with the buildup spatial accommodation, and between two said supporting vertical plate, is set with attaching parts; Wherein, Radial distance between medial support riser and the chassis inner seal plate; Radial distance outside the outside supporting vertical plate and the chassis between the sealing plate, the circumferential distance on the vertical distance between said attaching parts and the chassis lower floor flat board, every supporting vertical plate between the static seal device of the root of buildup spatial accommodation and the preposition brace summer of chassis; And the height dimension of said buildup spatial accommodation, all greater than preset distance.
Preferably, the root of the buildup spatial accommodation of every said supporting vertical plate offers the guide groove.
Preferably; Said attaching parts are specially a plurality of and circumferential interval and are provided with; The cross section of each said attaching parts constitutes by vertical section and the horizontal segment that extends back from said vertical section lower end, and the support frame of said vertical section upper edge and said comb plate offsets fixing.
Preferably, said support frame be provided with the angle cleat similar with the said vertical section bearing that offsets with the cross section of said attaching parts, the vertical section horizontal segment with said angle cleat of said attaching parts offsets fixing.
Preferably, all be set with a plurality of separation risers between adjacent two said attaching parts.
Preferably, vertical section of each the said attaching parts junction with two supporting vertical plate all is set with replacement company's fishplate bar; Fit for vertical section of the top of said replacement company fishplate bar and corresponding said attaching parts and fix, and the bottom of said replacement company fishplate bar extends to the below of the horizontal segment of corresponding said attaching parts.
Preferably, said attaching parts are specially horizontally disposed steel plate, offer a plurality of air vents in the local scope relative with the comb plate of said steel plate.
Preferably, in said local scope, said a plurality of air vents are uniformly distributed with setting.
Preferably, between the support frame inner extending end lower surface of the inboard of said medial support riser and said comb plate, and between the support frame overhanging end lower surface of the outside of said outside supporting vertical plate and said comb plate, be provided with gripper shoe.
Preferably, on the said medial support riser through-current capacity of air vent greater than the through-current capacity of air vent on the supporting vertical plate of the said outside.
Central cooler provided by the invention comprises a plurality of circular cooler trolleys that circumferentially set gradually, and said circular cooler trolley is specially foregoing circular cooler trolley.
The present invention is directed to circular cooler trolley and carried out optimal design, effectively overcome the existing in prior technology defective.Compared with prior art; First; Circular cooler trolley that this programme provides adopts two supporting vertical plate, and the bottom of supporting vertical plate front end all offers the buildup spatial accommodation, like this; After chassis resets, can effectively avoid the supporting vertical plate backgauge to influence static seal and the chassis lower floor defective in dull and stereotyped service life.Second; Reach the radial distance between outside supporting vertical plate and the chassis outside sealing plate between medial support riser and the chassis inner seal plate; Circumferential distance on every supporting vertical plate between the static seal device of the root of buildup spatial accommodation and the preposition brace summer of chassis; And the height dimension of said buildup spatial accommodation, all greater than preset distance; Need clearly, this preset distance is the size of the maximum sintering mineral aggregate of entering central cooler; Obviously, can guarantee effectively that on the one hand the dull and stereotyped discharging of chassis lower floor is smooth and easy, can further avoid the supporting vertical plate backgauge to cause damaging the dull and stereotyped problem of chassis static seal device and chassis lower floor on the other hand.The 3rd, between two supporting vertical plate, be set with attaching parts, and the vertical distance between attaching parts and the chassis lower floor flat board is greater than preset distance; Thereby satisfying on the chassis overall operation intensity based, having satisfied the dull and stereotyped chassis static seal device local scope of chassis lower floor simultaneously can smooth and easy discharging.To sum up, circular cooler trolley provided by the invention can overcome existing riser front end buildup reliably and cause damaging the dull and stereotyped defective of chassis static seal and chassis lower floor.
In preferred version of the present invention; The root of the buildup spatial accommodation of every supporting vertical plate offers the guide groove; The downward landing of material to drop on this buildup spatial accommodation root in the guiding discharge process can effectively be reduced in the possibility that supporting vertical plate buildup spatial accommodation forms buildup.
In another preferred version of the present invention, attaching parts are specially a plurality of and circumferential interval and are provided with, and the cross section of each attaching parts constitutes by vertical section and the horizontal segment that extends back from said vertical section lower end.Specifically can adopt the standard sections angle steel to process or adopt steel plate to be welded into the angle steel shape; That is to say that the wrap direction of angle steel is towards the trolley body rear side, so design can be avoided angle steel limit pocket material when the chassis discharging, influences the car load transaction capabilities.
In another preferred version of the present invention; All be set with a plurality of separation risers between adjacent two attaching parts; Thereby the flow area between the angle steel shape attaching parts is formed some air vents,, and then improve the material cooling effect so that the distribution of the local of cooling air is more even.
Description of drawings
Fig. 1 is the radial cross-section of the disclosed a kind of central cooler of prior art;
Fig. 2 is the overall structure sketch map of central cooler described in the specific embodiment;
Fig. 3 is the A-A partial sectional view of the non-cooling zone of central cooler shown in Fig. 2;
Fig. 4 is the diagrammatic top view of circular cooler trolley described in a kind of embodiment;
Fig. 5 is that the B of Fig. 4 is to view;
Fig. 6 is the C-C cutaway view of Fig. 4;
Fig. 7 is the D-D cutaway view of Fig. 4;
Fig. 8 is the I-I profile of Fig. 6;
Fig. 9 is the J-J profile of Fig. 7;
Figure 10 is the diagrammatic top view of circular cooler trolley described in second kind of embodiment;
Figure 11 is that the F of Figure 10 is to view;
Figure 12 is the G-G cutaway view of Figure 10;
Figure 13 is the H-H cutaway view of Figure 10.
Among the figure:
Central cooler 20, chassis 21, backbar 22, feed chute 23, dump skip 24;
The specific embodiment
Core of the present invention provides a kind of circular cooler trolley; It mainly designs through the improvement of supporting vertical plate and matching relationship thereof; Realize the dull and stereotyped complete unloading of chassis lower floor, can effectively evade riser front end buildup and cause damaging the dull and stereotyped defective of chassis static seal and chassis lower floor.
Be without loss of generality, specify this embodiment below in conjunction with Figure of description.
Among this paper the related noun of locality inside and outside with the central cooler center as the benchmark definition, the related noun of locality is forward and backward to be that rotation direction with central cooler is the benchmark definition.The use that should be appreciated that the said noun of locality such as inside and outside, forward and backward does not limit the scope that the application asks for protection.
See also Fig. 2 and Fig. 3, wherein, Fig. 2 is the overall structure sketch map of central cooler, and Fig. 3 is the A-A partial sectional view of the non-cooling zone of central cooler shown in Fig. 2.
Central cooler 20 roughly is divided into I district, high-temperature region, middle warm area II district, low-temperature space III district and IV district, non-cooling zone.In this embodiment, the basic function parts and the position annexation each other thereof that constitute central cooler are identical with prior art.Particularly, each chassis 21 constitutes several central cooler cooling work unit, circumferentially setting gradually along central cooler respectively with the side plate of inboard breast board, outside breast board and two adjacent backbars 22; In the course of work; Chassis 21 and backbar 22 real-time center uniform rotation around central cooler 20; The feed chute 23 of the mineral aggregate loading station through non-cooling zone after sintering is accomplished is arranged on the chassis; And along with the rotation of chassis 21 gets into three cooling zones successively: high-temperature region I, middle warm area II and low-temperature space III, return back to non-cooling zone dump skip 24 afterwards, accomplish discharge operation.At last, bogie wheels rises along bend, and chassis 21 gets into the loading area charging after being reset to level again, circulation according to this.Wherein, the operation of cooling mineral aggregate specifically realizes through supply air system.
Need to prove that the structure of aforementioned main function components and operation principle and prior art are identical, those skilled in the art can realize based on prior art fully, so this paper repeats no more.
The circular cooler trolley that this embodiment provides also is double-decker, and the upper strata is the comb flaggy that is used to carry material, and lower floor is the structure flat layer.Please in the lump referring to Fig. 4 and Fig. 5, Fig. 4 is the diagrammatic top view of the said circular cooler trolley of a kind of embodiment, and Fig. 5 is that the B of Fig. 4 is to view.
As shown in the figure, be provided with two supporting vertical plate between support frame 41 of its comb plate (scheming not shown comb plate) and the chassis lower floor dull and stereotyped 42: medial support riser 43 and outside supporting vertical plate 44 perpendicular to circular cooler trolley running radial direction to simplify diagrammatic sketch.Wherein, the radial distance between radial distance between medial support riser 43 and the chassis inner seal plate 51 and outside supporting vertical plate 44 and the chassis outside sealing plate 52 is all greater than preset distance.Need clear and definite; This preset distance is the size of the maximum sintering mineral aggregate that possibly occur of entering central cooler; Can guarantee effectively that on the one hand the dull and stereotyped discharging of chassis lower floor is smooth and easy; Realize complete unloading, can further avoid the supporting vertical plate backgauge to cause damaging the dull and stereotyped problem of chassis static seal device and chassis lower floor on the other hand.
Simultaneously; The bottom of the front end of medial support riser 43 and outside supporting vertical plate 44 is equipped with the buildup spatial accommodation; Please in the lump referring to Fig. 6 and Fig. 7; Fig. 6 is the C-C cutaway view of Fig. 4, and Fig. 7 is the D-D cutaway view of Fig. 4, and E zone among Fig. 6 and the F zone among Fig. 7 are the buildup spatial accommodation of offering on the respective support riser.In this programme, the main purpose of offering the buildup spatial accommodation in the front end of supporting vertical plate is that the material of avoiding supported riser front end to block is clipped between static seal device and the chassis lower floor flat board, thereby effectively controls both service life.Correspondingly, the circumferential distance on every supporting vertical plate between the static seal device of the root of buildup spatial accommodation and the preposition brace summer of chassis, and the height dimension of said buildup spatial accommodation are all greater than preset distance.The size of the maximum mineral aggregate that height dimension that in simple terms, mutually should the buildup spatial accommodation and depth dimensions all should possibly occur greater than the sintering mineral aggregate of entering central cooler.Should be appreciated that in use can there be a spot of buildup in this buildup spatial accommodation unavoidably, does not normally reset but do not influence chassis.
As previously mentioned; In the chassis discharge process, will there be material to drop on this buildup spatial accommodation root, for avoiding existing the problem of buildup in this position; Further; Root at the buildup spatial accommodation of every supporting vertical plate offers the guide groove, and the downward landing of material to drop on this buildup spatial accommodation root in the guiding discharge process can effectively be reduced in the possibility that supporting vertical plate buildup spatial accommodation forms buildup.Specifically see also Fig. 8 and Fig. 9.
Wherein, Fig. 8 is the I-I profile of Fig. 6, has the guide groove 441 of two-sided symmetry on the outside supporting vertical plate 44 of spatial accommodation shown in the figure (E) root; Wherein, Fig. 9 is the J-J profile of Fig. 7, has the guide groove 431 of single face on the medial support riser 43 of spatial accommodation shown in the figure (F) root.In fact, the guide groove is not limited to the version shown in the figure on outside supporting vertical plate 44 and the medial support riser 43, guides the use needs of the downward landing of material that drops on this buildup spatial accommodation root all can as long as satisfy.
In addition, for thickness that reduces supporting vertical plate and the overall operation intensity that strengthens trolley body, between medial support riser 43 and outside supporting vertical plate 44, be set with attaching parts 45.In the present embodiment; Attaching parts 45 are specially four and circumferentially setting at interval; The cross section of each attaching parts 45 constitutes by vertical section 451 and the horizontal segment 452 that extends back from the vertical lower end of section 451, and vertically the upper edge of section 451 and the support frame 41 of comb plate offset fixing.Simultaneously, the vertical distance between this horizontal segment 452 and the chassis lower floor dull and stereotyped 42 is also greater than preset distance, thereby satisfying on the chassis overall operation intensity based, and having satisfied chassis lower floor flat board simultaneously can smooth and easy discharging.Should be appreciated that the attaching parts 45 in the present embodiment specifically can adopt the standard sections angle steel to process or adopt steel plate to be welded into the angle steel shape, as long as satisfy the use needs all in the scope that the application asks for protection.Equally, the quantity that is provided with of this angle steel is not limited to four shown in the figure, can be provided with according to the size and the running parameter of circular cooler trolley fully.
In conjunction with Fig. 6 and shown in Figure 7, further, be the equilibrium cooling of balance comb plate top material, the through-current capacity of air vent is greater than the through-current capacity of air vent on the outside supporting vertical plate 44 on the medial support riser 43.In this programme, the difference that quantity is set through isometrical air vent control effectively to the through-current capacity of two supporting vertical plate.
Further, for improving chassis overall operation intensity, this programme has also carried out the structural design that intensity increases, to form stable strength support structure.
Wherein, support frame 41 adopts general frame, and a plurality of strengthening parts 411 are set in the housing, and the strengthening part 411 that its housing is established in reaching is specially angle cleat, and is oppositely arranged up and down with attaching parts 45 respectively.Particularly, vertical section 451 of the attaching parts 45 angle cleat horizontal segment with support frame 41 offsets to weld and fixes.
Wherein, all be set with two between adjacent two attaching parts 45 and separate riser 412, along the cold spaced radial setting of ring; Certainly, the quantity of this separation riser 412 also can be provided with according to requirement of strength design.
Wherein, the junction of vertical section 451 and two supporting vertical plate of each attaching parts 45 all is set with replacement company's fishplate bar 46; In conjunction with Fig. 4 and shown in Figure 5; Replacement company's fishplate bar 46 is fitted to weld with the respective support riser and is fixed; And the top of this replacement company's fishplate bar 46 is fixing with vertical section 451 applying of corresponding attaching parts 45 respectively, and the bottom of replacement company's fishplate bar 46 extends to the below of the horizontal segment 452 of corresponding attaching parts 45.
Wherein, between the support frame 41 inner extending end lower surfaces of the inboard of medial support riser 43 and comb plate, and between the support frame 41 overhanging end lower surfaces of the outside of outside supporting vertical plate 44 and comb plate, be provided with gripper shoe 47.Like this, can the flow area between the angle steel shape attaching parts be formed some air vents,, and then improve the material cooling effect so that the distribution of the local of cooling air is more even.
What specify is, for the thickness that reduces supporting vertical plate and strengthen for the overall operation intensity of trolley body, can adopt the various structure design to realize this purpose.Please in the lump referring to Figure 10, Figure 11, Figure 12 and Figure 13, wherein, Figure 10 is the diagrammatic top view of circular cooler trolley described in second kind of embodiment, Figure 11 be the F of Figure 10 to view, Figure 12 is the G-G cutaway view of Figure 10, Figure 13 is the H-H cutaway view of Figure 10.
The difference of the present embodiment and first embodiment is, is fixedly set in the difference of the version of the attaching parts between medial support riser 43 and the outside supporting vertical plate 44.As shown in the figure, among second embodiment, attaching parts 48 are specially horizontally disposed steel plate, offer a plurality of air vents in the local scope relative with the comb plate of this steel plate; And in said local scope, a plurality of air vents are uniformly distributed with setting.So design can satisfied the equilibrium cooling that keeps comb plate top material on the basis of above-mentioned requirement of strength.
The above is merely preferred implementation of the present invention, does not constitute the qualification to protection domain of the present invention.Any any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (11)
1. circular cooler trolley; Be provided with supporting vertical plate between the comb plate of said circular cooler trolley and the chassis lower floor flat board perpendicular to said circular cooler trolley running radial direction; It is characterized in that; Said supporting vertical plate is two, and the bottom of the front end of two said supporting vertical plate is equipped with the buildup spatial accommodation, and between two said supporting vertical plate, is set with attaching parts; Wherein, Radial distance between medial support riser and the chassis inner seal plate; Radial distance outside the outside supporting vertical plate and the chassis between the sealing plate, the circumferential distance on the vertical distance between said attaching parts and the chassis lower floor flat board, every supporting vertical plate between the static seal device of the root of buildup spatial accommodation and the preposition brace summer of chassis; And the height dimension of said buildup spatial accommodation, all greater than preset distance; Said preset distance is the size of the maximum sintering mineral aggregate of entering central cooler.
2. circular cooler trolley according to claim 1 is characterized in that, the root of the buildup spatial accommodation of every said supporting vertical plate offers the guide groove.
3. circular cooler trolley according to claim 1 and 2; It is characterized in that; Said attaching parts are specially a plurality of and circumferential interval and are provided with; The cross section of each said attaching parts constitutes by vertical section and the horizontal segment that extends back from said vertical section lower end, and the support frame of said vertical section upper edge and said comb plate offsets fixing.
4. circular cooler trolley according to claim 3; It is characterized in that; Said support frame be provided with the angle cleat similar with the said vertical section bearing that offsets with the cross section of said attaching parts, the vertical section horizontal segment with said angle cleat of said attaching parts offsets fixing.
5. circular cooler trolley according to claim 4 is characterized in that, all is set with a plurality of separation risers between adjacent two said attaching parts.
6. circular cooler trolley according to claim 5 is characterized in that, the vertical section junction with two supporting vertical plate of each said attaching parts all is set with replacement company's fishplate bar; Fit for vertical section of the top of said replacement company fishplate bar and corresponding said attaching parts and fix, and the bottom of said replacement company fishplate bar extends to the below of the horizontal segment of corresponding said attaching parts.
7. circular cooler trolley according to claim 1 is characterized in that said attaching parts are specially horizontally disposed steel plate, offers a plurality of air vents in the local scope relative with the comb plate of said steel plate.
8. circular cooler trolley according to claim 7 is characterized in that, in said local scope, said a plurality of air vents are uniformly distributed with setting.
9. circular cooler trolley according to claim 7; It is characterized in that; Between the support frame inner extending end lower surface of the inboard of said medial support riser and said comb plate; And between the support frame overhanging end lower surface of the outside of said outside supporting vertical plate and said comb plate, be provided with gripper shoe.
10. circular cooler trolley according to claim 9 is characterized in that, the through-current capacity of air vent is greater than the through-current capacity of air vent on the supporting vertical plate of the said outside on the said medial support riser.
11. central cooler comprises a plurality of circular cooler trolleys that circumferentially set gradually, and it is characterized in that, said circular cooler trolley is specially like each described circular cooler trolley in the claim 1 to 10.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100399588A CN102121796B (en) | 2011-02-17 | 2011-02-17 | Ring cooling machine trolley and ring cooling machine with trolley |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100399588A CN102121796B (en) | 2011-02-17 | 2011-02-17 | Ring cooling machine trolley and ring cooling machine with trolley |
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| CN102121796A CN102121796A (en) | 2011-07-13 |
| CN102121796B true CN102121796B (en) | 2012-11-21 |
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| CN102997689B (en) * | 2011-09-10 | 2014-07-09 | 鞍钢股份有限公司 | Maintenance method for rail fracture and displacement faults of circular cooler |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1964323B2 (en) * | 1969-12-23 | 1972-11-09 | Head Wrightson & Co. Ltd., Yarm. Yorkshire (Großbritannien) | SINTER ROUND COOLER |
| CN201007613Y (en) * | 2006-12-30 | 2008-01-16 | 唐山钢铁股份有限公司 | Improved circle-cooling machine |
| CN101936665A (en) * | 2010-09-20 | 2011-01-05 | 中冶长天国际工程有限责任公司 | Supporting beam of circular cooler trolley |
| CN202002500U (en) * | 2011-02-17 | 2011-10-05 | 中冶长天国际工程有限责任公司 | Trolley of circular cooling machine and circular cooling machine with trolley |
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Application publication date: 20110713 Assignee: Hunan Zhongye Changtian Heavy Industry Technology Co., Ltd. Assignor: ZhongYe Changtian International Engineering Co., Ltd. Contract record no.: 2013430000105 Denomination of invention: Ring cooling machine trolley and ring cooling machine with trolley Granted publication date: 20121121 License type: Exclusive License Record date: 20130712 |
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