CN208395244U - A kind of waste-heat recoverer for bell type annealing furnace - Google Patents
A kind of waste-heat recoverer for bell type annealing furnace Download PDFInfo
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- CN208395244U CN208395244U CN201820813434.7U CN201820813434U CN208395244U CN 208395244 U CN208395244 U CN 208395244U CN 201820813434 U CN201820813434 U CN 201820813434U CN 208395244 U CN208395244 U CN 208395244U
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Abstract
The utility model discloses a kind of waste-heat recoverer for bell type annealing furnace, the product for needing to anneal is placed in the accommodation space of annealing furnace internal-lining, and waste-heat recoverer includes radiation heat transfer portion and heat convection portion；The outside of liner is arranged in radiation heat transfer portion, there is the gap flowed for air between radiation heat transfer portion and liner, the bottom and top of liner are respectively arranged with water segregator and water collector, the first heat exchanger tube that there are multiple both ends to be separately connected water segregator and water collector in radiation heat transfer portion；The outside in radiation heat transfer portion is arranged in heat convection portion, one heat convection portion has a convection space, convection space is arranged to its top and is connect by tedge with water collector, its bottom is connect by water supplying pipe with water segregator, its internal second heat exchanger tube with connection tedge and water supplying pipe, gap is connected to by circulating fan with the inside of convection space, so that hot-air flows to convection space.The utility model can make full use of the thermal energy of annealing, achieve energy-saving and emission reduction purposes.
Description
Technical field
The utility model relates to heat energy utilization field, in particular to a kind of waste-heat recoverer for bell type annealing furnace.
Background technique
Cold-strip steel needs to enter bell type annealing furnace and anneals to strip after completing rolling.The mode of annealing is
Metal is heated slowly to about 600~800 DEG C or so of temperature, then keeps enough time, is then cooled to often with Reasonable Speed
Temperature.Annealing purpose is to reduce the hardness of strip, improves its machinability；Eliminate residual stress, stable dimensions, reduce deformation with
Crackle tendency；Crystal grain is refined, tissue is adjusted, eliminates tissue defects.In annealing process, strip will release a large amount of heat.It is existing
There is this partial heat in technology to be all directly lost in workshop, while causing heat waste, also improve the temperature in workshop,
It is degrading working environment.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of waste-heat recoverers for bell type annealing furnace, to reach
Purpose that is energy saving, reducing discharge brings good economic benefit and social effect to cut down expenses for enterprise.
In order to solve the above-mentioned technical problem, the technical solution of the utility model are as follows:
A kind of waste-heat recoverer for bell type annealing furnace, the product for needing to anneal are placed in the accommodation space of annealing furnace internal-lining
In, the waste-heat recoverer includes radiation heat transfer portion and heat convection portion；The outer of the liner is arranged in the radiation heat transfer portion
Side has the gap flowed for air, the bottom and top difference of the liner between the radiation heat transfer portion and the liner
It is provided with water segregator and water collector, there are multiple both ends to be separately connected the water segregator and the water collector in the radiation heat transfer portion
The first heat exchanger tube；The outside in the radiation heat transfer portion is arranged in the heat convection portion, and a heat convection portion has
One convection space, the convection space are arranged to, and top is connect by tedge with the water collector, and bottom passes through water supply
Pipe is connect with the water segregator, internal second heat exchanger tube with the connection tedge and the water supplying pipe, the gap
It is connected to by circulating fan with the inside of the convection space, so that hot-air flows to the convection space.
Preferably, the radiation heat transfer portion is centered around the circumferential direction of the liner, the inner surface in the radiation heat transfer portion, described
The inner surface of water segregator and the water collector, the liner outer surface collectively form one for air flowing enclosure space,
The enclosure space is connected to by the circulating fan with the inside of the convection space.
Preferably, second heat exchanger tube is coiled pipe.
Preferably, there are multiple heat convection portions in the outside in the radiation heat transfer portion.
Preferably, the water segregator is connect by feed pipe with external water source, and the water collector is by steam outlet pipe and uses heat
Device connection.
Compared with prior art, the utility model has the beneficial effects that: being filled by radiation heat transfer portion and heat convection portion
Divide the heat in recycling annealing process, to provide energy, example with thermal process for other of product with the hot water or steam generated
Such as pickling, degreasing, coating technique substitute boiler, to reach final goal that is energy saving, reducing discharge, to be enterprise
It cuts down expenses, brings good economic benefit and social effect.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of the waste-heat recoverer for bell type annealing furnace of the utility model one embodiment.
Meaning represented by each symbol is as follows in figure:
1- strip；2- liner；3- radiation heat transfer portion；The first heat exchanger tube of 4-；5- heat convection portion；6- tedge；7- supplies water
Pipe；8- water segregator；9- feed pipe；10- water collector；11- steam outlet pipe.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in Figure 1, the product for needing to anneal, is strip 1 in the present embodiment, the receiving for being placed in annealing furnace internal-lining 2 is empty
Between in.The distributed heat of annealing cooling is transmitted to outside by 2 wall of liner.Therefore, 2 wall surface of liner institute use should be thermally conductive
The high material of coefficient.Waste-heat recoverer of the utility model for bell type annealing furnace mainly includes that radiation heat transfer portion 3 and convection current are changed
Hot portion 5.Wherein, the outside of the liner 2 is arranged in radiation heat transfer portion 3, and radiation heat transfer portion 3 is arranged in heat convection portion 5
Outside.
The bottom and top of liner 2 are respectively arranged with water segregator 8 and water collector 10.Water segregator 8 passes through feed pipe 9 and outside
Water source connection, for distributing external water source to heat exchanger tube.Water collector 10 is connect by steam outlet pipe 11 with thermal, with generation
Hot water or steam for other of product provide the techniques such as energy, such as pickling, degreasing, coating with thermal process.Radiation heat transfer portion 3
The first heat exchanger tube 4 of the water segregator 8 and the water collector 10 is separately connected with multiple both ends.Radiation heat transfer portion 3 and liner 2
Wall surface between there is gap flow for air, mainly pass through the biography of radiation realization heat between radiation heat transfer portion 3 and liner 2
It passs.Water in first heat exchanger tube 4 reaches water collector 10 after the heating.In the embodiment shown in fig. 1, radiation heat transfer portion 3 surrounds
In the circumferential direction of the liner 2, to reach the maximum heat exchange area in radiation heat transfer portion 3.The inner surface in radiation heat transfer portion 3, described point
The inner surface of hydrophone 8 and the water collector 10, the liner 2 outer surface collectively form one for air flowing closing it is empty
Between.In other embodiments, radiation heat transfer portion 3 is centered around circumferential direction and the top of the liner 2.The outlet position of first heat exchanger tube 4
In the center at 3 top of radiation heat transfer portion, so that the first heat exchanger tube 4 has maximum heat exchange area.
There can be one or more heat convection portion 5 in the outside in the radiation heat transfer portion 3.Any one convection current is changed
Hot portion 5 all has a convection space.The convection space is arranged to, and top is connect by tedge 6 with water collector 10,
Bottom is connect by water supplying pipe 7 with water segregator 8, internal second heat exchanger tube with connection tedge 6 and water supplying pipe 7.Moreover,
Gap between radiation heat transfer portion 3 and liner 2 is connected to by circulating fan with the inside of convection space, so that hot-air flows
To the convection space, and cool air reflux opposite after heat convection is to gap.In the embodiment shown in fig. 1, convection current is changed
The quantity in hot portion 5 is two.The inner surface in radiation heat transfer portion 3, the inner surface of the water segregator 8 and the water collector 10, institute
It states the enclosure space that the outer surface of liner 2 collectively forms be connected to by circulating fan with the inside of convection space, so that heat sky
Flow of air is to the convection space, and cool air reflux opposite after heat convection is to gap.And in order to increase heat exchange area,
Enhance the mobility of hot-air, the second heat exchanger tube uses coiled pipe.
To sum up, the waste-heat recoverer of the utility model passes through radiation heat transfer portion 3 and the sufficiently recycling lehr attendant of heat convection portion 5
Heat in skill is reducing workshop temperature, is recycling thermal energy while improving workshop condition, existing boiler is replaced to reach energy-saving and emission-reduction
Purpose.Waste-heat recoverer can provide energy with thermal process for other of product with the hot water of generation or steam, such as pickling,
The techniques such as degreasing, coating substitute boiler, to reach final goal that is energy saving, reducing discharge, open to save for enterprise
Branch, brings good economic benefit and social effect.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (5)
1. a kind of waste-heat recoverer for bell type annealing furnace, the product for needing to anneal is placed in the accommodation space of annealing furnace internal-lining
In, which is characterized in that the waste-heat recoverer includes radiation heat transfer portion and heat convection portion；The radiation heat transfer portion is arranged in institute
The outside of liner is stated, there is the gap flowed for air, the bottom of the liner between the radiation heat transfer portion and the liner
Be respectively arranged with water segregator and water collector with top, the radiation heat transfer portion have multiple both ends be separately connected the water segregator and
First heat exchanger tube of the water collector；The outside in the radiation heat transfer portion, a convection current is arranged in the heat convection portion
Heat exchanging part has a convection space, and the convection space is arranged to, and top is connect by tedge with the water collector, bottom
Portion is connect by water supplying pipe with the water segregator, internal to have the second heat exchange for connecting the tedge and the water supplying pipe
Pipe, the gap are connected to by circulating fan with the inside of the convection space, so that hot-air flows to the convection current sky
Between.
2. a kind of waste-heat recoverer for bell type annealing furnace according to claim 1, which is characterized in that the radiation is changed
Hot portion is centered around the circumferential direction of the liner, the inner surface in the radiation heat transfer portion, the water segregator and the water collector it is interior
Surface, the liner outer surface collectively form one for air flowing enclosure space, the enclosure space passes through the circulation
Blower is connected to the inside of the convection space.
3. a kind of waste-heat recoverer for bell type annealing furnace according to claim 2, which is characterized in that described second changes
Heat pipe is coiled pipe.
4. a kind of waste-heat recoverer for bell type annealing furnace according to any one of claim 1-3, which is characterized in that
There are multiple heat convection portions in the outside in the radiation heat transfer portion.
5. a kind of waste-heat recoverer for bell type annealing furnace according to claim 1, which is characterized in that the water segregator
It is connect by feed pipe with external water source, the water collector is connect by steam outlet pipe with thermal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820813434.7U CN208395244U (en) | 2018-05-29 | 2018-05-29 | A kind of waste-heat recoverer for bell type annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820813434.7U CN208395244U (en) | 2018-05-29 | 2018-05-29 | A kind of waste-heat recoverer for bell type annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208395244U true CN208395244U (en) | 2019-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820813434.7U Active CN208395244U (en) | 2018-05-29 | 2018-05-29 | A kind of waste-heat recoverer for bell type annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208395244U (en) |
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2018
- 2018-05-29 CN CN201820813434.7U patent/CN208395244U/en active Active
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