CN107906490A - A kind of flue gas waste heat recovery vapo(u)rization system - Google Patents
A kind of flue gas waste heat recovery vapo(u)rization system Download PDFInfo
- Publication number
- CN107906490A CN107906490A CN201711091006.4A CN201711091006A CN107906490A CN 107906490 A CN107906490 A CN 107906490A CN 201711091006 A CN201711091006 A CN 201711091006A CN 107906490 A CN107906490 A CN 107906490A
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- CN
- China
- Prior art keywords
- evaporator
- cold side
- mould
- evaporators
- vapo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B27/00—Instantaneous or flash steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
Abstract
The invention discloses a kind of flue gas waste heat recovery vapo(u)rization system, including some evaporators stacked gradually, each evaporator is respectively provided with heat exchanger tube, cold side input port, cold side outlet port, hot side entrance and hot side outlet and the sealing plate in evaporator surrounding horizontal direction, the entrance of each heat exchanger tube connects the cold side input port on same evaporator, cold side outlet port on the same evaporator of outlet of each heat exchanger tube, hot side outlet and hot side entrance between adjacent two evaporator communicate with each other, and pipeline is removably equipped between the cold side outlet port of evaporator and the cold side input port of other evaporators.The cold side outlet port and cold side input port of any two or multiple evaporators can be respectively communicated with as needed, that is, are adjusted the flow of normal-temperature water, extended heat-exchange time；Easily overlap pipeline and choose and combine some evaporators, just can be combined into suitable flow, the saturated vapor under direct output different pressures, without complicated auxiliary control appliance.The invention is used for field of heat exchangers.
Description
Technical field
The present invention relates to evaporator applications, more particularly to a kind of flue gas waste heat recovery vapo(u)rization system.
Background technology
The high-temperature flue gas discharge heat recovery of energy consumption enterprise, can reduce the mesh that smog discharge temperature reaches energy-saving and emission-reduction
, turn waste into wealth, the available saturated vapor of output supplies enterprise's production and application, and it is non-renewable to save a large amount of coals, natural gas etc.
The energy, reduces consumption.
Mainly based on industrial high temperature exhaust gas, boiler high temperature tail gas, temperature generally exists waste heat recovery evaporator hot side medium
Between 200~300 DEG C, flow 6000m3/ h~20000m3/h；Cold side medium is generally 20 DEG C or so normal-temperature waters, high-temperature flue gas
Exchange heat with normal-temperature water in evaporator, realize normal-temperature water and continuously steam.General steam boiler buying manufacture cost is higher, compared with
The low-pressure saturated steam for steam parameter level as a kind of low-grade energy, in metallurgy, petrochemical industry, papermaking, cement, light
Industrial circle application is quite extensive.
Conventional steam generator is provided with the auxiliary system equipment of complexity：As drum, water circulating pump, make-up pump are more complicated
Control system, with the saturated vapor of pressure needed for reaching, equipment cost is higher to limit popularization.
The content of the invention
It is an object of the invention to provide the cigarette of different degrees of low-pressure saturated steam a kind of simple in structure and easy to produce
Gas waste heat recovery vapo(u)rization system.
The technical solution used in the present invention is：
A kind of flue gas waste heat recovery vapo(u)rization system, including some evaporators stacked gradually, each evaporator are respectively provided with heat exchange
Pipe, cold side input port, cold side outlet port, hot side entrance and hot side outlet and the sealing plate in evaporator surrounding horizontal direction, respectively
The entrance of heat exchanger tube connects the cold side input port on same evaporator, and the cold side on the same evaporator of outlet of each heat exchanger tube goes out
Mouthful, hot side outlet and hot side entrance between adjacent two evaporator communicate with each other, the cold side outlet port of evaporator and other evaporators
Cold side input port between be removably equipped with pipeline.
As the improvement of such scheme, each cold side input port and each cold side outlet port are in the same side of evaporator.
As the improvement of such scheme, include the evaporator of several various heat exchange coefficient.
As the improvement of such scheme, each evaporator is respectively provided with the piece mould for allowing heat exchanger tube to pass through, the piece of partial vaporiser
Mould is small pieces mould, and the tube side quantity of small pieces mould is 2, be highly 200~230mm, spacing 42mm, array pitch are 60~70mm, portion
The piece mould of point evaporator is middle mould, and the tube side quantity of middle mould is 4, be highly 330~360mm, spacing is 42~56mm, row
Away from for 60~70mm, the piece mould of partial vaporiser is large stretch of mould, the tube side quantity of large stretch of mould is 6, be highly 480~510mm,
Away from being 60~70mm for 56mm, array pitch.
As the improvement of such scheme, including an evaporator with small pieces mould, two evaporators with middle mould
With two evaporators with large stretch of mould.
Beneficial effects of the present invention：This flue gas waste heat recovery vapo(u)rization system sets sealing plate in surrounding horizontal direction, makes cigarette
Gas passes through each evaporator from top to bottom, and normal-temperature water enters heat exchanger tube and realizes saturation, evaporation so as to absorb the heat of flue gas, will be more
After a evaporator combinations, the cold side outlet port and cold side input port of any two or multiple evaporators can be respectively communicated with as needed, i.e.,
The flow of normal-temperature water is adjusted, extends heat-exchange time；Easily overlap pipeline and choose some evaporators of combination, it is suitable to be just combined into
Flow, the saturated vapor under direct output different pressures, without complicated auxiliary control appliance.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the front view of vapo(u)rization system；
Fig. 2 is the top view of vapo(u)rization system；
The schematic diagram of some the first combinations of evaporator of Fig. 3；
The schematic diagram of Fig. 4 second of combination of some evaporators；
The schematic diagram of some the third combinations of evaporator of Fig. 5.
Embodiment
With reference to Fig. 1~Fig. 5, the present invention is a kind of flue gas waste heat recovery vapo(u)rization system, including some evaporations stacked gradually
Device 1, each evaporator 1 are respectively provided with heat exchanger tube 2, cold side input port, cold side outlet port, hot side entrance and hot side outlet and in evaporators
Sealing plate 5 in 1 surrounding horizontal direction.The entrance of each heat exchanger tube 2 connects the cold side input port on same evaporator, each heat exchanger tube 2
Cold side outlet port on the same evaporator of outlet, hot side outlet and hot side entrance between adjacent two evaporator communicate with each other,
Pipeline 4 is removably equipped between the cold side outlet port of evaporator and the cold side input port of other evaporators.Pipeline 4 and evaporator 1 it
Between fixed using flanged joint.
The orientation being subject in Fig. 1, cold side input port are located at the right of evaporator 1, and cold side outlet port is located at a left side for evaporator 1
Side.The sealing plate 5 of surrounding horizontal direction designs, i.e., the upper end of evaporator 1 is hot side entrance, and the lower end of evaporator 1 is hot side outlet,
The flue gas of high temperature can flow from the top to the bottom, and avoid flue gas from escaping from surrounding, finally pass through each evaporator 1 successively.In order to carry
High sealing effect and counteracting thermal stress, can also add fan housing on sealing plate 5, cover the part heat exchanger tube 2 of prominent sealing plate 5.
Normal-temperature water is flowed in heat exchanger tube 2 so as to absorb the heat of flue gas, and temperature rises.Some evaporators 1 of this programme
Superposition, can be respectively communicated with the cold side outlet port and cold side input port of any two or multiple evaporators as needed, that is, have adjusted room temperature
The flow of water, extends heat-exchange time；Easily overlap pipeline 4 and choose some evaporators of combination, just can be combined into suitable stream
Journey, the saturated vapor under direct output different pressures, or the water of high temperature.The auxiliary control appliance of complexity is eliminated, by changing
Variable flow realizes state modulator, and the scheme manufacture cost of the application is extremely low.
As preferred embodiment, each cold side input port and each cold side outlet port are in the same side of evaporator 1, the design
It is in order to enable the connection of pipeline 4 is more convenient.
As preferred embodiment, include the evaporator 1 of several various heat exchange coefficient so that the group of some evaporators
Conjunction form is more various.The evaporator of three kinds of various heat exchange coefficients is devised in the present embodiment, including one has small pieces mould
Evaporator, two evaporators and two evaporators with large stretch of mould with middle mould.Vapo(u)rization system only draws three in Fig. 1
Evaporator, but be intended only as illustrating, it should not be construed as the restriction to technical solution.
Each evaporator 1 is respectively provided with the piece mould 3 for allowing heat exchanger tube 2 to pass through, and piece mould 3 is used for the heat exchange efficiency for improving heat exchanger tube 2.
The piece mould 3 of partial vaporiser 1 is small pieces mould, the tube side quantity of small pieces mould is 2, be highly 200~230mm, spacing 42mm, row
It is middle mould away from the piece mould 3 for 60~70mm, partial vaporiser 1, the tube side quantity of middle mould is 4, be highly 330~360mm,
Spacing is 42~56mm, array pitch is 60~70mm, and the piece mould 3 of partial vaporiser 1 is large stretch of mould, the tube side quantity of large stretch of mould is 6,
Be highly 480~510mm, spacing 56mm, array pitch be 60~70mm.
The pressure of common saturated vapor is between 0.1Mpa~0.8Mpa.Four pipelines 4 in Fig. 3 are five evaporators
1 connection, the saturated vapor available for production pressure maximum；Two pipelines 4 in Fig. 4 have connected the steaming of three kinds of various heat exchange coefficients
Device is sent out, two pipelines 4 of Fig. 5 are then to have connected a minimum evaporator of the coefficient of heat transfer and highest two evaporations of the coefficient of heat transfer
The combination of device, Fig. 4 and Fig. 5 can produce the less saturated vapor of pressure.It is of course also possible to an evaporator is used alone
1。
The combining form of multiple evaporators is limited, but can pass through rational parameter designing, makes every kind of combination shape
Formula can correspond to unique steam pressure；The design of the 1 more detailed coefficient of heat transfer of evaporator and dimensional parameters etc is herein
Do not repeat.
Certainly, the design creates and is not limited to the above embodiment, and the combination of the various embodiments described above different characteristic, also may be used
To reach good effect.Those skilled in the art can also make equivalent change on the premise of without prejudice to spirit of the invention
Shape or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (5)
- A kind of 1. flue gas waste heat recovery vapo(u)rization system, it is characterised in that：Including some evaporators stacked gradually, each evaporation Device is respectively provided with heat exchanger tube, cold side input port, cold side outlet port, hot side entrance and hot side outlet and in evaporator surrounding horizontal direction On sealing plate, the entrance of each heat exchanger tube connects the cold side input port on same evaporator, the outlet of each heat exchanger tube Cold side outlet port on same evaporator, hot side outlet and hot side entrance between adjacent two evaporator communicate with each other, evaporator Pipeline is removably equipped between cold side outlet port and the cold side input port of other evaporators.
- 2. flue gas waste heat recovery vapo(u)rization system according to claim 1, it is characterised in that：Each cold side input port and each institute State the same side that cold side outlet port is in evaporator.
- 3. flue gas waste heat recovery vapo(u)rization system according to claim 1 or 2, it is characterised in that：Changed including several difference The evaporator of hot coefficient.
- 4. flue gas waste heat recovery vapo(u)rization system according to claim 3, it is characterised in that：Each evaporator is respectively provided with fair Perhaps the piece mould that heat exchanger tube passes through, the piece mould of the part evaporator is small pieces mould, and the tube side quantity of the small pieces mould is 2, highly It is 60~70mm for 200~230mm, spacing 42mm, array pitch, the piece mould of the part evaporator is middle mould, described middle The tube side quantity of mould is 4, be highly 330~360mm, spacing is 42~56mm, array pitch is 60~70mm, the part evaporator Piece mould be large stretch of mould, the tube side quantity of the sheet mould is 6, be highly 480~510mm, spacing 56mm, array pitch be 60~ 70mm。
- 5. flue gas waste heat recovery vapo(u)rization system according to claim 4, it is characterised in that：There is small pieces mould including one Evaporator, two evaporators and two evaporators with large stretch of mould with middle mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091006.4A CN107906490A (en) | 2017-11-08 | 2017-11-08 | A kind of flue gas waste heat recovery vapo(u)rization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091006.4A CN107906490A (en) | 2017-11-08 | 2017-11-08 | A kind of flue gas waste heat recovery vapo(u)rization system |
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| Publication Number | Publication Date |
|---|---|
| CN107906490A true CN107906490A (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711091006.4A Pending CN107906490A (en) | 2017-11-08 | 2017-11-08 | A kind of flue gas waste heat recovery vapo(u)rization system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2581929Y (en) * | 2002-11-19 | 2003-10-22 | 卢秉威 | Module type combined heat exchanger |
| CN201401771Y (en) * | 2009-05-09 | 2010-02-10 | 中国石油化工集团公司 | Waste heat conversion boiler |
| CN201555203U (en) * | 2009-12-10 | 2010-08-18 | 南京圣诺热管有限公司 | Modular afterheat recovery steam generating device system capable of operating in groups |
| CN105953202A (en) * | 2016-05-16 | 2016-09-21 | 浙江大学 | Sensible heat storage type direct steam generation system and method based on series-connection adjustment |
| CN207539873U (en) * | 2017-11-08 | 2018-06-26 | 湖南力和海得热能技术有限公司 | A kind of flue gas waste heat recovery vapo(u)rization system |
-
2017
- 2017-11-08 CN CN201711091006.4A patent/CN107906490A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2581929Y (en) * | 2002-11-19 | 2003-10-22 | 卢秉威 | Module type combined heat exchanger |
| CN201401771Y (en) * | 2009-05-09 | 2010-02-10 | 中国石油化工集团公司 | Waste heat conversion boiler |
| CN201555203U (en) * | 2009-12-10 | 2010-08-18 | 南京圣诺热管有限公司 | Modular afterheat recovery steam generating device system capable of operating in groups |
| CN105953202A (en) * | 2016-05-16 | 2016-09-21 | 浙江大学 | Sensible heat storage type direct steam generation system and method based on series-connection adjustment |
| CN207539873U (en) * | 2017-11-08 | 2018-06-26 | 湖南力和海得热能技术有限公司 | A kind of flue gas waste heat recovery vapo(u)rization system |
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