CN103075567B - Smoke temperature control valve with self-adjusting flow - Google Patents
Smoke temperature control valve with self-adjusting flow Download PDFInfo
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- CN103075567B CN103075567B CN201310005613.XA CN201310005613A CN103075567B CN 103075567 B CN103075567 B CN 103075567B CN 201310005613 A CN201310005613 A CN 201310005613A CN 103075567 B CN103075567 B CN 103075567B
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Abstract
The invention discloses a smoke temperature control valve with a self-adjusting flow. The smoke temperature control valve comprises a valve body, a valve shaft, a double-metal plate and a sealing ring, wherein the double-metal plate is arranged in the valve body in a penetration manner through the valve shaft, the sealing ring is arranged on the inner surface of the valve body, and the double-metal plate is of a composite structure formed by a metal plate NO. 1 and a metal plate NO. 2 with different metal linear expansion rates; and the change of a smoke temperature enables the double-metal plate to be subjected to linear expansion, so that bending with different extents at different temperatures is produced, a smoke circulation area with different areas is formed between the double-metal plate and the valve body, and the continuous changing state of the valve from shutting to opening is achieved. The smoke temperature control valve is used in a smoke system with a high temperature and many dusts, the change of the smoke temperature enables the double-metal plate to be subjected to linear expansion, since the linear expansion rates of two kinds of metal are different, bending is enabled to occur at different temperatures, the smoke circulation area with different areas is formed between the double-metal plate and the valve body, the effect of controlling the opening and the opening extent change of the valve is achieved, and the function of controlling self-adjustment on flow by a temperature is realized.
Description
Technical field
The present invention relates to the flue gas temp .-control valve of a kind of flow quantity self-adjusting joint.
Background technique
Existing flue gas system Flow-rate adjustment many employings electric valve or pneumatic valve control, there is several shortcoming as follows: the performer motor of (1) electric valve is in by high-temperature flue gas pipeline, as flue inefficacy rear motor can be toasted by high-temperature flue, affect motor, cable life, even affect the normal operation of valve; (2) for realizing temperature controlled object, needing reload temperature measuring cell and feedback element, making system architecture complexity, fault point is increased, cost improves; (3) flue gas system is mostly dirty environment, and temperature measuring element is subject to contamination by dust faulty sensor, affects the normal work of temp .-control valve; (4) traditional valve needs final controlling element to drive valve shaft to rotate, and under the environment of many dirt, valve shaft is easily stuck, makes valve invalidation.
Summary of the invention
For prior art Problems existing, the object of the present invention is to provide the flue-gas temperature control valve that a kind of structure is simple, safe and reliable, with low cost.
For achieving the above object, the flue gas temp .-control valve of a kind of flow quantity self-adjusting joint of the present invention, comprise valve body, valve shaft, bimetallic plates and seal ring, bimetallic plates are located in valve body by valve shaft, and seal ring is arranged on the internal surface of valve body, wherein, bimetallic plates are the sheet metal one of different metal linear expansion rate and the composite structure of sheet metal two formation; The height change of flue-gas temperature makes the linear expansion of bimetallic plates, and what produce in various degree at different temperatures is bending, and form the flue gas circulating area of different area between itself and valve body, what form valve closes to the consecutive variations state opened.
Further, described bimetallic plates itself, both as temperature-measuring element, again as actuator, play double action.
Further, described bimetallic plates are welded, as valve plate by the sheet metal that two or more linear expansion coefficient are different.
Further, described valve plate is through on described valve shaft, can change shape by bi-directional expansion, realize the change of valve opening degree after being heated.
Further, between described bimetallic plates and seal ring when setting temperature close contact, realize the closed condition of valve.
Further, described valve shaft is the stationary axle that can not rotate.
The present invention is used in the flue gas system of high temperature, many dirt, the height change of flue-gas temperature makes the linear expansion of bimetallic plates, due to the difference of two kinds of metal linear expansivitys, make to produce at different temperatures bending, and form the flue gas circulating area of different area between valve body, reach the effect that control valve is opened and opening degree changes, realize temperature and control the self-regulating effect of flow.
Accompanying drawing explanation
Fig. 1 is structure front view of the present invention.
Fig. 2 is structure side view under full-shut position of the present invention.
Fig. 3 is structure side view under half-open position of the present invention.
Fig. 4 is structure side view under the crack state of the present invention.
Embodiment
Below, with reference to accompanying drawing, the present invention is more fully illustrated, shown in the drawings of exemplary embodiment of the present invention.But the present invention can be presented as multiple multi-form, and should not be construed as the exemplary embodiment being confined to describe here.But, these embodiments are provided, thus make the present invention comprehensively with complete, and scope of the present invention is fully conveyed to those of ordinary skill in the art.
For ease of illustrating, here can use such as " on ", the space relative terms such as D score " left side " " right side ", for illustration of the element of shown in figure or the feature relation relative to another element or feature.It should be understood that except the orientation shown in figure, spatial terminology is intended to comprise device different azimuth in use or operation.Such as, if the device in figure is squeezed, be stated as the element being positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, exemplary term D score can comprise upper and lower both orientation.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and space used here illustrates relatively can correspondingly explain.
As depicted in figs. 1 and 2, the flue gas temp .-control valve of a kind of flow quantity self-adjusting joint of the present invention, comprise valve body 1, valve shaft 2, bimetallic plates 3 and seal ring 4, bimetallic plates 3 are located in valve body 1 by valve shaft 2, and seal ring 4 is arranged on the internal surface of valve body 1, wherein, bimetallic plates 3 are the sheet metal 1 of different metal linear expansion rate and the composite structure of sheet metal 26 formation; The height change of flue-gas temperature makes the linear expansion of bimetallic plates 3, and what produce in various degree at different temperatures is bending, and form the flue gas circulating area of different area between itself and valve body, what form valve closes to the consecutive variations state opened.
Bimetallic plates 3 are welded by the sheet metal that two or more linear expansion coefficient are different, and as valve plate, this valve plate is through on valve shaft 2, can change shape by bi-directional expansion, realize the change of valve opening degree after being heated.Can close contact when specified temp between valve plate and seal ring 4, realize the closed condition of valve.Valve shaft 2 only plays and supports valve plate effect, need not rotate.Valve plate itself, both as temperature-measuring element, again as actuator, plays double action.
The present invention can be used in the flue gas system of aluminium cell.Because electrolytic bath is poorly sealed, make in electrolysis tail gas, to be mixed into a large amount of cool airs, play positive effect on the one hand, the anode coal gas that combustion-supporting aluminium electroloysis produces, produce the electrolysis flue gas of about 1000 DEG C, play negative effect on the other hand, significantly dragged down electrolysis exhaust temperature, be reduced to from 1000 DEG C and only have about 100-200 DEG C.Although now temperature meets the temperature requirement of dedusting bag, from the angle of heat recovery, exhaust temperature fallen too low being difficult to be efficiently recovered utilization.In addition, exhaust temperature again can not be too high, and Tai Gao can propose harsh requirement to material again.Visible, need a kind of gas fume valve according to temperature controlled regulating flow quantity, when flue-gas temperature is lower, valve turns down, and reduces cool air amount of bleeding, and improves flue-gas temperature; When flue-gas temperature is higher, valve is opened greatly, increases cool air amount of bleeding, and lowers flue-gas temperature.
For this reason, the fume pipe of aluminum cell smoke residual heat reclaiming installs the self-regulating flue gas temp .-control valve of inventive flow additional.When flue-gas temperature is lower (lower than 200 DEG C), do not recycle value, set bimetallic plates expansion as shown in Figure 2 and make valve be in full-shut position, not recovered flue gas.When flue-gas temperature is higher (higher than 500 DEG C), now require too high to pipeline material resistance to heat, set bimetallic plates expansion as shown in Figure 3 and make valve be in half-open position, reduce this road fume pipe resistance, form the larger negative pressure of suction port, increase and suck cool air amount, reduce flue-gas temperature.In addition, when flue-gas temperature not high not low time (higher than 300 DEG C, lower than 500 DEG C), can set bimetallic plates expansion as shown in Figure 4 makes valve be in crack state, and change opening degree at any time along with smoke temperature change, certain flue-gas temperature is maintained, to be conducive to the stability of recovered flue gas temperature by the Flow-rate adjustment sucking micro-cool air.
Its advantage of the present invention is:
1) the present invention is pure machinery, and without electronic or pneumatic element, structure is simple, reliable and stable.
2) bimetallic plates of the present invention itself are both as temperature-measuring element, again as actuator, play double action.Without the need to special temperature-measuring element, feedback transmission circuit and execution architecture, system is simple, failure rate is low, cost are low.
3) the present invention can according to the control overflow of the height of valve opening and flue-gas temperature, the metal of different linear expansion rate is selected to make bimetallic plates, meet bimetallic plates and produce specific curvature at different temperatures, and form the flue gas circulating area of different set area between valve body, reach the control overflow of valve opening change more accurately.
This patent can be used in the flue gas system of many dirt, high temperature, the meeting of thermally sensitive bimetallic plates under different flue-gas temperature produces distortion in various degree, and then change the valid circulation area size of flue gas, reach and automatically open and the self-regulating object of flue gas flow.In this patent, thermometry and execution architecture unite two into one, and make valve mechanism simple, reliable and stable, with low cost, can be used for multiple needs in the flue gas system of control flow.
Claims (6)
1. the flue gas temp .-control valve of a flow quantity self-adjusting joint, it is characterized in that, this valve comprises valve body, valve shaft, bimetallic plates and seal ring, bimetallic plates are located in valve body by valve shaft, and seal ring is arranged on the internal surface of valve body, wherein, bimetallic plates are the sheet metal one of different metal linear expansion rate and the composite structure of sheet metal two formation; The height change of flue-gas temperature makes the linear expansion of bimetallic plates, and what produce in various degree at different temperatures is bending, and form the flue gas circulating area of different area between itself and valve body, what form valve closes to the consecutive variations state opened.
2. the flue gas temp .-control valve of flow quantity self-adjusting joint as claimed in claim 1, it is characterized in that, described bimetallic plates itself, both as temperature-measuring element, again as actuator, play double action.
3. the flue gas temp .-control valve of flow quantity self-adjusting joint as claimed in claim 1, it is characterized in that, described bimetallic plates are welded, as valve plate by the sheet metal that two or more linear expansion coefficient are different.
4. the flue gas temp .-control valve of flow quantity self-adjusting joint as claimed in claim 3, it is characterized in that, described valve plate is through on described valve shaft, can change shape by bi-directional expansion, realize the change of valve opening degree after being heated.
5. the flue gas temp .-control valve of flow quantity self-adjusting joint as claimed in claim 1, is characterized in that, between described bimetallic plates and seal ring when setting temperature close contact, realize the closed condition of valve.
6. the flue gas temp .-control valve of flow quantity self-adjusting joint as claimed in claim 1, it is characterized in that, described valve shaft is the stationary axle that can not rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005613.XA CN103075567B (en) | 2013-01-08 | 2013-01-08 | Smoke temperature control valve with self-adjusting flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005613.XA CN103075567B (en) | 2013-01-08 | 2013-01-08 | Smoke temperature control valve with self-adjusting flow |
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| Publication Number | Publication Date |
|---|---|
| CN103075567A CN103075567A (en) | 2013-05-01 |
| CN103075567B true CN103075567B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310005613.XA Expired - Fee Related CN103075567B (en) | 2013-01-08 | 2013-01-08 | Smoke temperature control valve with self-adjusting flow |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047032B (en) * | 2014-06-27 | 2017-02-15 | 中国铝业股份有限公司 | Method for automatically adjusting energy balance of aluminum electrolysis cell |
| DE102018120467B4 (en) * | 2018-08-22 | 2022-01-20 | Hanon Systems | Devices for storing refrigerants in a refrigerant circuit and methods for operating the devices |
| CN111567287A (en) * | 2020-06-30 | 2020-08-25 | 郑志亮 | Automatic irrigation device for greenhouse crops |
| CN111871633B (en) * | 2020-07-09 | 2022-01-07 | 浙江农丰软管股份有限公司 | Can be according to agricultural sprinkling irrigation shower nozzle of temperature variation regulating pondage |
| CN112728743A (en) * | 2021-01-06 | 2021-04-30 | 武汉雷睿科技有限公司 | Air duct component of air conditioner |
| CN115162987B (en) * | 2022-07-15 | 2023-04-25 | 平顶山天安煤业股份有限公司 | Automatic temperature control structure and method for bimetal asynchronous deformation petal valve and corer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893102A (en) * | 2009-05-18 | 2010-11-24 | 宁津美华工业有限公司 | Fire-proof high-temperature resistant double eccentric butterfly valve |
| CN201934775U (en) * | 2011-01-25 | 2011-08-17 | 南京新立讯电器有限责任公司 | Double-metal automatic water stop plate |
| CN202065483U (en) * | 2011-04-26 | 2011-12-07 | 郑州华泰特阀有限公司 | High-temperature flue butterfly valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7971601B2 (en) * | 2007-07-02 | 2011-07-05 | Grundfos Pumps Corporation | Water circulation system valve assemblies having water temperature control |
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2013
- 2013-01-08 CN CN201310005613.XA patent/CN103075567B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893102A (en) * | 2009-05-18 | 2010-11-24 | 宁津美华工业有限公司 | Fire-proof high-temperature resistant double eccentric butterfly valve |
| CN201934775U (en) * | 2011-01-25 | 2011-08-17 | 南京新立讯电器有限责任公司 | Double-metal automatic water stop plate |
| CN202065483U (en) * | 2011-04-26 | 2011-12-07 | 郑州华泰特阀有限公司 | High-temperature flue butterfly valve |
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| CN103075567A (en) | 2013-05-01 |
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