CN203550619U - Afterheat power generation flue gas negative pressure self-compensation sealing device for ring cooling machine - Google Patents
Afterheat power generation flue gas negative pressure self-compensation sealing device for ring cooling machine Download PDFInfo
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- CN203550619U CN203550619U CN201320647990.9U CN201320647990U CN203550619U CN 203550619 U CN203550619 U CN 203550619U CN 201320647990 U CN201320647990 U CN 201320647990U CN 203550619 U CN203550619 U CN 203550619U
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Abstract
The utility model belongs to the technical field of sintering ring cooling equipment in the metallurgical industry and particularly relates to an afterheat power generation flue gas negative pressure self-compensation sealing device for a ring cooling machine. The afterheat power generation flue gas negative pressure self-compensation sealing device for the ring cooling machine comprises a ring cooling machine trolley, an upper trolley fence plate, a vessel hood and a self-compensation sealing component arranged between the vessel hood and the upper trolley fence plate, wherein the self-compensation sealing component comprises an upper connection seat, an upper limiting plate, a sealing plate and lower limiting plates. The afterheat power generation flue gas negative pressure self-compensation sealing device for the ring cooling machine is characterized in that a negative pressure lapping plate is arranged on the side surface of the sealing plate and consists of a lapping pipe, a lapping plate and a balance weight device; the lapping pipe is fixedly connected with the upper connection seat; the upper end of the lapping plate is movably hinged to the lapping pipe, and the lower end of the lapping plate is lapped with the sealing plate; the balance weight device is arranged on the lower part of the lapping plate. According to the afterheat power generation flue gas negative pressure self-compensation sealing device for the ring cooling machine, the problems in the prior art are effectively solved; the speed for cooling hot sintered ores on the ring cooling machine trolley is effectively increased, and the temperature of a high-temperature section of the ring cooling machine is increased; more steam can be supplied to a generator set, and the power generation capacity is improved.
Description
Technical field
The utility model belongs to metallurgy industry sintered ring cool equipment technical field, especially relates to a kind of central cooler cogeneration flue gas negative pressure self-compensation sealing device.
Background technology
In iron and steel metallurgical industry central cooler production process, central cooler carrys out the heat sinter on cooling chassis by the bellows air blast of chassis bottom, and the higher waste gas of temperature of cooling rear generation produces steam by waste heat boiler, and afterheat steam is used for generating electricity.The efficiency of the serious restriction of the sealing quality central cooler waste heat recovery of central cooler.The bad generated energy that will cause of sealing effectiveness declines, and causes the waste of heat resource.Improve the effective ways of central cooler EGT mainly: 1, improve the sealing effectiveness of both sides sealing device below circular cooler trolley, make wind that blower fan blasts chassis bottom bellows not to outward leakage, make to improve by the air quantity of the chassis bed of material.2, the sealing effectiveness that improves both sides above circular cooler trolley, due to top, petticoat pipe place is fan induced draught, seals the bad wind outside that will cause and reveals in petticoat pipe, and the temperature of cogeneration flue gas is declined.
Central cooler cogeneration is that high-temperature residual heat produces steam-electric power by boiler by the waste heat recovery of central cooler entrance sintering deposit high temperature section, and low warm air blasts the bellows of chassis bottom again.The bad flue-gas temperature that causes of top petticoat pipe sealing of cogeneration place declines, and the quantity of steam of generation reduces, and heat energy can not be made full use of.At ring cold machine smoke hood place, seal in good situation, the flue-gas temperature in petticoat pipe can reach 480 ℃ of left and right, and the flue-gas temperature in most of ring cold machine smoke hoods can only reach 430 ℃ of left and right.Central cooler cogeneration petticoat pipe place sealing has become the key issue of central cooler cogeneration, if in the good situation of air-proof condition, waste gas residual heat temperature can be improved to 50 ℃ of left and right, the waste heat that central cooler is produced is effectively made full use of.
Utility model content
The purpose of this utility model is to provide a kind of good sealing effect, simple in structure, reliable central cooler cogeneration flue gas negative pressure self-compensation sealing device.
The purpose of this utility model realizes by following technical proposals:
Central cooler cogeneration flue gas negative pressure self-compensation sealing device of the present utility model, comprise circular cooler trolley, breast board on the chassis that circular cooler trolley is connected therewith, be located at the petticoat pipe of described circular cooler trolley top, be located at one group of self-compensation sealed assembly between breast board on described petticoat pipe and described chassis, described self-compensation sealed assembly comprises the upper connecting base being fixedly connected with described petticoat pipe, the upper limit plate that upper connecting base is fixedly connected with therewith, with the sealing plate that on described chassis, breast board is slidably connected, the lower limiting board that is located at this sealing plate top and is fixedly connected with it, described lower limiting board is insertion slot type limiting plate, between two slot board, by rolling axle, be connected, described upper limit plate is inserted between two described slot boards, and the spacing cambered surface of compensation of described upper limit plate bottom is rolled and is contacted with the running roller on described rolling axle, it is characterized in that being provided with negative pressure lapping plate in the one side outside fan housing of described sealing plate, described negative pressure lapping plate is managed by the overlap joint being fixedly connected with described upper connecting base, upper end and described overlap joint pipe are movably hinged, and the lapping plate that lower end and described sealing plate overlap mutually, the counter weight device that is located at this lapping plate bottom forms.
Described counter weight device is by two engaging lugs that are located at described lapping plate two ends, and the weight linear meter being connected with described two engaging lugs forms.
Described upper connecting base, upper limit plate, lower limiting board, sealing plate, negative pressure lapping plate, rolling axle and running roller are steel part.
Advantage of the present utility model:
(1) the utility model efficiently solves the problem that prior art exists, and is easy to transform on existing central cooler.Because the utility model is provided with negative pressure self-compensation sealed assembly between breast board and petticoat pipe on circular cooler trolley, effectively improved the cooling velocity of the heat sinter on circular cooler trolley, the temperature that improves central cooler high temperature section, provides more steam to generating set, improves generating capacity.When sideboard is different from gap length between petticoat pipe on chassis, by sealing plate deadweight and upper and lower limiting plate, can realize the auto-compensation of sideboard sealing on sealing plate and chassis.Make the contact force of sideboard on sealing plate and chassis less, can wear and tear again little by good seal;
(2) the utility model is due to negative pressure lapping plate and sealing plate side overlap joint, and bottom is provided with counter weight device, in petticoat pipe, under the effect of negative pressure, makes sealing tight reliable.Sealing plate is subject to after spacing moving up and down, and negative pressure lapping plate there will not be swing, there will not be dislocation like this below cogeneration petticoat pipe between adjacent negative pressure lapping plate, improves the reliability and stability of sealing;
(3) the utility model, because all of basis is all steel part, is compared with rubber parts, spring part, the wire brush part of prior art, has resistance to deformation and high temperature resistance inefficacy ability under good high temperature;
(4) the utility model has reduced plant maintenance amount, long service life, can make sealing effectiveness long-term stability constant.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A view of the utility model Fig. 1.
Fig. 3 is that the C of the utility model Fig. 2 is to view.
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate the specific embodiment of the present utility model.
As Fig. 1, shown in 2 and 3, central cooler cogeneration flue gas negative pressure self-compensation sealing device of the present utility model, comprise circular cooler trolley, breast board 10 on the chassis that circular cooler trolley is connected therewith, be located at the petticoat pipe 1 of described circular cooler trolley top, be located at one group of self-compensation sealed assembly between breast board 10 on described petticoat pipe 1 and described chassis, described self-compensation sealed assembly comprises the upper connecting base 2 being fixedly connected with described petticoat pipe 1, the upper limit plate 3 that upper connecting base 2 is fixedly connected with therewith, with the sealing plate 9 that on described chassis, breast board 10 is slidably connected, the lower limiting board 6 that is located at these sealing plate 9 tops and is fixedly connected with it, described lower limiting board 6 is insertion slot type limiting plate, between two slot board, by rolling axle 7, be connected, described upper limit plate 3 is inserted between two described slot boards, and the spacing cambered surface of compensation of described upper limit plate 3 bottoms contacts with running roller 8 rollings on described rolling axle 7, it is characterized in that being provided with negative pressure lapping plate in the one side outside fan housing of described sealing plate 9, described negative pressure lapping plate is by the overlap joint pipe 4 being fixedly connected with described upper connecting base 2, upper end and described overlap joint pipe 4 are movably hinged, and the lapping plate 5 that lower end and described sealing plate 9 overlap mutually, the counter weight device that is located at these lapping plate 5 bottoms forms.Due to negative pressure lapping plate and sealing plate 9 sides overlap joints, and bottom is provided with counter weight device, under the effect of petticoat pipe 1 interior negative pressure, makes sealing tight reliable.Sealing plate 9 is subject to after spacing moving up and down, and negative pressure lapping plate there will not be swing, there will not be dislocation like this below cogeneration petticoat pipe between adjacent negative pressure lapping plate, improves the reliability and stability of sealing.
Described counter weight device is by two engaging lug 5-1 that are located at described lapping plate 5 two ends, and the weight linear meter 5-2 being connected with described two engaging lug 5-1 forms.
Described upper connecting base 2, upper limit plate 3, lower limiting board 6, sealing plate 9, negative pressure lapping plate, rolling axle 7 and running roller 8 are steel part, compare with rubber parts, spring part, the wire brush part of prior art, there is resistance to deformation and high temperature resistance inefficacy ability under good high temperature.
The utility model efficiently solves the problem that prior art exists, and is easy to transform on existing central cooler.Because the utility model is provided with negative pressure self-compensation sealed assembly between breast board 10 and petticoat pipe 1 on circular cooler trolley, effectively improved the cooling velocity of the heat sinter on circular cooler trolley, the temperature that improves central cooler high temperature section, provides more steam to generating set, improves generating capacity.When the gap length of sideboard 10 and 1 of petticoat pipe is different on chassis, by deadweight, upper limit plate 3 and the lower limiting board 6 of sealing plate 9, can realize the auto-compensation of sideboard 10 sealings on sealing plate 9 and chassis.Make the contact force of sideboard 10 on sealing plate 9 and chassis less, can wear and tear again little by good seal.The utility model has reduced plant maintenance amount, long service life, can make sealing effectiveness long-term stability constant.
Claims (3)
1. a central cooler cogeneration flue gas negative pressure self-compensation sealing device, comprise circular cooler trolley, breast board on the chassis that circular cooler trolley is connected therewith, be located at the petticoat pipe of described circular cooler trolley top, be located at one group of self-compensation sealed assembly between breast board on described petticoat pipe and described chassis, described self-compensation sealed assembly comprises the upper connecting base being fixedly connected with described petticoat pipe, the upper limit plate that upper connecting base is fixedly connected with therewith, with the sealing plate that on described chassis, breast board is slidably connected, the lower limiting board that is located at this sealing plate top and is fixedly connected with it, described lower limiting board is insertion slot type limiting plate, between two slot board, by rolling axle, be connected, described upper limit plate is inserted between two described slot boards, and the spacing cambered surface of compensation of described upper limit plate bottom is rolled and is contacted with the running roller on described rolling axle, it is characterized in that being provided with negative pressure lapping plate in the one side outside fan housing of described sealing plate, described negative pressure lapping plate is managed by the overlap joint being fixedly connected with described upper connecting base, upper end and described overlap joint pipe are movably hinged, and the lapping plate that lower end and described sealing plate overlap mutually, the counter weight device that is located at this lapping plate bottom forms.
2. central cooler cogeneration flue gas negative pressure self-compensation sealing device according to claim 1, is characterized in that described counter weight device is by two engaging lugs that are located at described lapping plate two ends, and the weight linear meter being connected with described two engaging lugs forms.
3. central cooler cogeneration flue gas negative pressure self-compensation sealing device according to claim 1, is characterized in that described upper connecting base, upper limit plate, lower limiting board, sealing plate, negative pressure lapping plate, rolling axle and running roller are steel part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647990.9U CN203550619U (en) | 2013-10-21 | 2013-10-21 | Afterheat power generation flue gas negative pressure self-compensation sealing device for ring cooling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647990.9U CN203550619U (en) | 2013-10-21 | 2013-10-21 | Afterheat power generation flue gas negative pressure self-compensation sealing device for ring cooling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203550619U true CN203550619U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320647990.9U Withdrawn - After Issue CN203550619U (en) | 2013-10-21 | 2013-10-21 | Afterheat power generation flue gas negative pressure self-compensation sealing device for ring cooling machine |
Country Status (1)
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| CN (1) | CN203550619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512372A (en) * | 2013-10-21 | 2014-01-15 | 吴�琳 | Waste heat power generation flue gas negative pressure self-compensating sealing device of ring cooler |
| CN104390475A (en) * | 2014-11-15 | 2015-03-04 | 北京中冶设备研究设计总院有限公司 | Combined detachable movable smoke hood of annular cooler |
-
2013
- 2013-10-21 CN CN201320647990.9U patent/CN203550619U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512372A (en) * | 2013-10-21 | 2014-01-15 | 吴�琳 | Waste heat power generation flue gas negative pressure self-compensating sealing device of ring cooler |
| CN103512372B (en) * | 2013-10-21 | 2015-01-21 | 吴�琳 | Waste heat power generation flue gas negative pressure self-compensating sealing device of ring cooler |
| CN104390475A (en) * | 2014-11-15 | 2015-03-04 | 北京中冶设备研究设计总院有限公司 | Combined detachable movable smoke hood of annular cooler |
| CN104390475B (en) * | 2014-11-15 | 2016-03-30 | 北京中冶设备研究设计总院有限公司 | A kind of central cooler movable gas hood of Combined detachable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20150121 |
|
| RGAV | Abandon patent right to avoid regrant |