CN204154127U - A kind of strip process line heat energy comprehensive recycling device - Google Patents
A kind of strip process line heat energy comprehensive recycling device Download PDFInfo
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- CN204154127U CN204154127U CN201420610016.XU CN201420610016U CN204154127U CN 204154127 U CN204154127 U CN 204154127U CN 201420610016 U CN201420610016 U CN 201420610016U CN 204154127 U CN204154127 U CN 204154127U
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- heat exchanger
- flue gas
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- air
- process line
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Abstract
The utility model discloses a kind of strip process line heat energy comprehensive recycling device, comprise flue gas-air heat exchanger and flue gas-fluid heat exchanger, the exhanst gas outlet of described flue gas-air heat exchanger and the smoke inlet UNICOM of flue gas-fluid heat exchanger, drying air fan is provided with between the hot air outlet of described flue gas-air heat exchanger and hot blast demand point, be provided with the cycle heat exchange fluid circuit that at least one road direction user puts supplying heat source in described flue gas-fluid heat exchanger, described each road cycle heat exchange fluid circuit is provided with circulating pump and fluid tank.The utility model utilizes strip annealing furnace to provide multiple spot heat supply for Heat treating machine set, meets the direct heating that Heat treating machine set multiple spot dries energy requirements and cleaning section multiple fluid medium.
Description
Technical field
The utility model belongs to strip process line heat energy recycle field, is specifically related to a kind of strip process line heat energy comprehensive recycling device and method.
Background technology
China's economy increases fast; every construction obtains great achievement; also paid the cost that huge resources and environment is destroyed simultaneously; in the face of severe resource environment situation; adhere to saving development, Clean Development, security developments have become important content in economic development; " Energy Conservation Law of the People's Republic of China " clearly proposes to adhere to economizing on resources and the fundamental state policy of protection of the environment, is placed on the extrusion position of industrialization, modernization development strategy building a resource-conserving and environment-friendly society.
At present, strip process line exhaust gas temperature after protective gas heat exchanger still has ~ and 400 DEG C, part process line is by discharging through High-temp. smoke-exhausting fan after miserable cold wind cooling, and this kind of method not only have lost a large amount of flue gas heat, also add the load of smoke exhaust fan simultaneously.Have in strip heat-treatment lines simultaneously and need auxiliary heating source for heating air and various fluid media (medium) compared with multi-user's point, part process line many employings steam passes through other medium carrier indirect as auxiliary thermal source, needed for this kind of method, steam costly, and device structure is complicated, safeguards spot check inconvenience.
Also there is small part process line to be utilized by fume afterheat to reclaim, adopt the formula that blasts to reclaim heat energy in hot-air seasoning link, adopt at cleaning section recirculated water the indirect recovery heat energy mode or dispersion direct heat transfer mode that " superheated water " is carrier.
Utility model content
In view of this, the purpose of this utility model utilizes existing strip process line annealing furnace, extracts the heat in flue gas, simultaneously for user's point each on process line provides thermal source, and no longer needs steam as thermal source, provide a kind of heat energy comprehensive recycling device and method.
The purpose of this utility model is achieved through the following technical solutions:
A kind of strip process line heat energy comprehensive recycling device, comprise flue gas-air heat exchanger and flue gas-fluid heat exchanger, the exhanst gas outlet of described flue gas-air heat exchanger and the smoke inlet UNICOM of flue gas-fluid heat exchanger, drying air fan is provided with between the hot air outlet of described flue gas-air heat exchanger and hot blast demand point, be provided with the cycle heat exchange fluid circuit that at least one road direction user puts supplying heat source in described flue gas-fluid heat exchanger, described each road cycle heat exchange fluid circuit is provided with circulating pump and fluid tank.
Further, described flue gas-be provided with built-in bypass type chimney valve between fluid heat exchanger and flue gas-air heat exchanger.
Further, the hot air outlet of described flue gas-air heat exchanger is also provided with and mixes cold blast sliding valve.
Further, the smoke inlet of described flue gas-air heat exchanger and the exhanst gas outlet UNICOM of strip process line annealing furnace.
Further, described flue gas-air heat exchanger is suction-type heat exchanger, and the air intake of described suction-type heat exchanger is provided with air cleaner.
Further, the circulating pump of each road fluid is the existing circulating pump of cleaning section.
Further, described flue gas-fluid heat exchanger is a unitized exchanger, described unitized exchanger composes in parallel by organizing coiled pipe more, each Lu Weiyi group coiled pipe multiple-pass fin tube type structure, coiled pipe in described unitized exchanger shell does not have solder joint, and all pads are all outside housing.
A kind of strip process line heat energy comprehensive reutilization method, suction-type heat exchanger is utilized to make the flue gas of strip process line annealing furnace and cold air carry out heat exchange, hot-air after heat exchange by drying air fan directly to each hot blast demand point, after heat exchange, flue gas enters in flue gas-fluid heat exchanger and carries out heat exchange with each group of fluid, each group of fluid after heat exchange divides and leads to different user's points, then be back to respectively in each self-corresponding fluid tank, then entered in flue gas-fluid heat exchanger by respective circulating pump and carry out heat exchange with the high-temperature flue gas newly to enter.
Further, built-in bypass type chimney valve is provided with between described flue gas-fluid heat exchanger and suction-type heat exchanger.
Further, the hot air outlet of described flue gas-air heat exchanger is also provided with and mixes cold blast sliding valve.
The beneficial effects of the utility model are: the utility model apparatus and method utilize strip annealing furnace to provide multiple spot heat supply for Heat treating machine set, meet the direct heating that Heat treating machine set multiple spot dries energy requirements and cleaning section multiple fluid medium.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be realized by description below and obtain.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is the utility model principle schematic;
Fig. 2 is combined type coil heat exchanger structure diagram.
Detailed description of the invention
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only in order to the utility model is described, instead of in order to limit protection domain of the present utility model.
As shown in the figure, a kind of strip process line heat energy comprehensive recycling device, comprise flue gas-air heat exchanger 1 and flue gas-fluid heat exchanger, the exhanst gas outlet of described flue gas-air heat exchanger and the smoke inlet UNICOM of flue gas-fluid heat exchanger, drying air fan 3 is provided with between the hot air outlet of described flue gas-air heat exchanger and hot blast demand point, be provided with the cycle heat exchange fluid circuit that at least one road direction user puts supplying heat source in described flue gas-fluid heat exchanger, described each road cycle heat exchange fluid circuit is provided with circulating pump 7 and fluid tank 6.
In the present embodiment, the smoke inlet of described flue gas-air heat exchanger and the exhanst gas outlet UNICOM of strip process line annealing furnace, suction-type heat exchanger is utilized to make the flue gas of strip process line annealing furnace and cold air carry out heat exchange, hot-air after heat exchange by drying air fan directly to each hot blast demand point, after heat exchange, flue gas enters in flue gas-fluid heat exchanger and carries out heat exchange with each group of fluid, each group of fluid after heat exchange divides and leads to different users and put 9, then be back in each self-corresponding fluid tank respectively, entered in flue gas-fluid heat exchanger by respective circulating pump again and carry out heat exchange with the high-temperature flue gas newly entered.
As further improvement of this embodiment, described flue gas-be provided with built-in bypass type chimney valve 4 between fluid heat exchanger and flue gas-air heat exchanger.Built-in bypass type chimney valve has by-pass flue function, without the need to arranging separately by-pass flue and control valve again, utilizes built-in by-pass structure can effectively control heated fluid medium temperature.
As further improvement of this embodiment, the hot air outlet of described flue gas-air heat exchanger is also provided with mixes cold blast sliding valve 2, the flue gas-air heat exchanger of the present embodiment is suction-type heat exchanger, the air intake of described suction-type heat exchanger is provided with air cleaner, and suction-type heat exchanger is negative-pressure operation, suction-type heat exchange mode can obtain better hot-blast outlet speed, arranges simultaneously and mix cold blast sliding valve control hot blast temperature between heat exchanger and drying air fan.
As further improvement of this embodiment, the circulating pump of each road fluid is the existing circulating pump of cleaning section.Described flue gas-fluid heat exchanger is a combined type coil heat exchanger, described combined type coil heat exchanger composes in parallel by organizing coiled pipe more, each Lu Weiyi group coiled pipe multiple-pass fin tube type structure, coiled pipe in described combined type coil heat exchanger shell does not have solder joint, and all pads are all outside housing.Combined type coil heat exchanger composes in parallel by organizing coiled pipe more, is independent of each other, can field-strip or cleaning separately.
The present embodiment adopts suction-type multi-point drying, cold air after suction-type heat exchanger 1 heat exchange by a house steward for Heat treating machine set provides multiple spot heat supply, hot blast is transported to before each user puts drying air fan 3 under negative pressure state, supply user's point after stirring pressurization by drying air fan, each user's point controls hot blast temperature by mixing cold blast sliding valve 2; Various fluid media (medium) is transported in combined type coil heat exchanger 5 by circulating pump 7 and is directly heated by heat exchange, fluid media (medium) after heating is transported to each user by a preceding pipeline 8 of registering one's residence and puts 9 uses, fluid media (medium) after using returns tank body 6 by return duct 10, circulating-heating like this, recycle, when a certain road temperature of fluid medium is too high, regulate by built-in bypass type chimney valve 4, turn this road valve opening down or tune up bypath valve aperture; When a certain road temperature of fluid medium is too low, this road valve opening can be tuned up or turn bypath valve aperture down, thus reaching temperature control effect.
The utility model compared with prior art has following main beneficial effect:
1, suction-type heat exchange mode, hot blast can obtain better muzzle velocity, improves drying effect.
2, combined type coil heat exchanger, directly heats various fluid media (medium), all only has one group of coiled pipe in the heat exchanger often organizing medium, and coiled pipe adopts multiple-pass fin tube type structure, and many group coiled pipes can be in parallel, is independent of each other, easy to maintenance.
3, built-in bypass type chimney valve has by-pass flue function, and without the need to arranging separately by-pass flue and control valve again, equipment is simple, and maintenance is little.
4, heat energy is fully recycled by whole system, energy-saving effect significantly, construction investment take low, Operation and Maintenance is simple.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of right of the present utility model.
Claims (7)
1. a strip process line heat energy comprehensive recycling device, it is characterized in that: comprise flue gas-air heat exchanger and flue gas-fluid heat exchanger, the exhanst gas outlet of described flue gas-air heat exchanger and the smoke inlet UNICOM of flue gas-fluid heat exchanger, drying air fan is provided with between the hot air outlet of described flue gas-air heat exchanger and hot blast demand point, be provided with the cycle heat exchange fluid circuit that at least one road direction user puts supplying heat source in described flue gas-fluid heat exchanger, described each road cycle heat exchange fluid circuit is provided with circulating pump and fluid tank.
2. strip process line heat energy comprehensive recycling device according to claim 1, is characterized in that: described flue gas-be provided with built-in bypass type chimney valve between fluid heat exchanger and flue gas-air heat exchanger.
3. strip process line heat energy comprehensive recycling device according to claim 1, is characterized in that: the hot air outlet of described flue gas-air heat exchanger is also provided with mixes cold blast sliding valve.
4. strip process line heat energy comprehensive recycling device according to claim 1, is characterized in that: the smoke inlet of described flue gas-air heat exchanger and the exhanst gas outlet UNICOM of strip process line annealing furnace.
5. strip process line heat energy comprehensive recycling device according to claim 1, it is characterized in that: described flue gas-air heat exchanger is suction-type heat exchanger, the air intake of described suction-type heat exchanger is provided with air cleaner.
6. strip process line heat energy comprehensive recycling device according to claim 1, is characterized in that: the circulating pump of each road fluid is the existing circulating pump of cleaning section.
7. strip process line heat energy comprehensive recycling device according to claim 1, it is characterized in that: described flue gas-fluid heat exchanger is a unitized exchanger, described unitized exchanger composes in parallel by organizing coiled pipe more, each Lu Weiyi group coiled pipe multiple-pass fin tube type structure, coiled pipe in described unitized exchanger shell does not have solder joint, and all pads are all outside housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420610016.XU CN204154127U (en) | 2014-10-21 | 2014-10-21 | A kind of strip process line heat energy comprehensive recycling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420610016.XU CN204154127U (en) | 2014-10-21 | 2014-10-21 | A kind of strip process line heat energy comprehensive recycling device |
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| Publication Number | Publication Date |
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| CN204154127U true CN204154127U (en) | 2015-02-11 |
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| CN201420610016.XU Active CN204154127U (en) | 2014-10-21 | 2014-10-21 | A kind of strip process line heat energy comprehensive recycling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344739A (en) * | 2014-10-21 | 2015-02-11 | 重庆赛迪工业炉有限公司 | Device and method for comprehensive recycling of heat energy in plate and strip processing line |
-
2014
- 2014-10-21 CN CN201420610016.XU patent/CN204154127U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344739A (en) * | 2014-10-21 | 2015-02-11 | 重庆赛迪工业炉有限公司 | Device and method for comprehensive recycling of heat energy in plate and strip processing line |
| CN104344739B (en) * | 2014-10-21 | 2017-02-01 | 重庆赛迪热工环保工程技术有限公司 | Device and method for comprehensive recycling of heat energy in plate and strip processing line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHONGQING SAIDI THERMAL ENVIRONMENTAL PROTECTION E Free format text: FORMER NAME: CHONGQING SAIDI INDUSTRIAL FURNACE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 401122 Chongqing new North Road No. 1 CCID Patentee after: Chongqing CCID thermal technology environment-friendly engineering Technology Co., Ltd. Address before: 400013 Chongqing City, Yuzhong District No. 2 Steel Road, No. 1 Patentee before: Chongqing Saidi Industrial Furnace Co., Ltd. |