CN106247299A - Steam generator - Google Patents
Steam generator Download PDFInfo
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- CN106247299A CN106247299A CN201610654718.1A CN201610654718A CN106247299A CN 106247299 A CN106247299 A CN 106247299A CN 201610654718 A CN201610654718 A CN 201610654718A CN 106247299 A CN106247299 A CN 106247299A
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- cylinder
- heat
- steam generator
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- 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
- F22G—SUPERHEATING OF STEAM
- F22G3/00—Steam superheaters characterised by constructional features; Details of component parts thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of steam generator, including cylinder and heat-exchanger rig, superheat section and saturated section it is sequentially provided with in described cylinder, described heat-exchanger rig is located in described cylinder, described cylinder includes the first end and second end relative with described first end, described cylinder also includes the first import, the first outlet and the second import connected with described heat-exchanger rig, described second end is located in described first import, described first end is located in described first outlet and described second import, and described superheat section compare described saturated section closer to described first end.In above-mentioned steam generator, after entering cylinder due to high-temperature gas, first through superheat section, the high temperature section of high-temperature gas being produced superheated steam, after heat exchange, gas temperature is relatively low arrives saturated section of production saturated vapor again, the heat distribution of Appropriate application high-temperature gas, improves the production efficiency of superheated steam.
Description
Technical field
The present invention relates to chemical technology field, particularly relate to a kind of steam generator producing superheated steam.
Background technology
Along with the raising of comprehensive utilization of energy demand, more and more to the demand of superheated steam at present.Superheated steam is not
Only can use as thermal source, it is also possible to use as power, such as, be used for generating electricity, driving steam turbine etc..
At present, a kind of steam generator first uses waste heat boiler to add hot water, is allowed to produce saturated vapor, is then reconfigured at steaming
Vapour superheater, needs the high temperature conjunction pipeline grown very much, takies floor area and sky between such waste heat boiler and steam superheater
Between, two independent assembling consumption precious metal materials are many, and cost is high, and management and control is difficult.Another kind of by waste heat boiler and steam superheater
Become one, carry out heat exchange by three sleeve pipes, precious metal material and investment can be saved significantly on, but three sleeve pipes exist processing system
Making cost high, manufacture difficulty is big, is especially difficult to ensure that the quality that heat exchange tube head welds；Meanwhile, high-temperature gas flows to, and first passes through full
And section, then unreasonable distribution on superheat section, temperature, because superheated steam is higher than saturated-steam temperature, first pass through saturated section,
Hot air temperature reduces and is heated by saturated vapor, and heating-up temperature must also exceed the temperature of saturated vapor, promotes temperature little,
Superheated steam production efficiency is relatively low.
Summary of the invention
Based on this, it is necessary to for the problem that steam generator superheated steam production efficiency is relatively low, it is provided that a kind of overheated steaming
The steam generator that vapour production efficiency is higher.
A kind of steam generator, including cylinder and heat-exchanger rig, is sequentially provided with superheat section and saturated section, institute in described cylinder
Stating heat-exchanger rig to be located in described cylinder, described cylinder includes the first end and second end relative with described first end, described cylinder
Body also includes the first import, the first outlet and the second import connected with described heat-exchanger rig, and described first import is located at described
Second end, described first outlet and described second import be located at described first end, and described superheat section compare described saturated section more
Near described first end.
In above-mentioned steam generator, after entering cylinder due to high-temperature gas, first by the high temperature section of high-temperature gas through overheated
Duan Jiare saturated vapor is allowed to become superheated steam, and after heat exchange, gas temperature is relatively low arrives saturated section of production saturated vapor again, closes
Reason make use of the heat of high-temperature gas to be distributed, and improves the production efficiency of superheated steam.
Wherein in an embodiment, described cylinder also includes the second outlet, and described second outlet is with described heat-exchanger rig even
Logical.
Wherein in an embodiment, it is described full that described steam generator also includes that water bringing-up section, described water bringing-up section are located at
With section away from one end of described superheat section.
Wherein in an embodiment, being provided with deflection plate in described cylinder, described deflection plate is located at described cylinder inboard wall, and court
The inwall of opposite side extends, and and the inwall of opposite side between leave gap.
Wherein in an embodiment, described superheat section and the described water bringing-up section of described cylinder are respectively equipped with multiple baffling
Plate, and in described superheat section and described water bringing-up section, multiple described deflection plates are crisscross arranged；At described saturated section, arrange multiple
Gripper shoe, described gripper shoe is located at the downside of described cylinder inboard wall.
Wherein in an embodiment, described cylinder is additionally provided with the triple feed inlet being interconnected and the 3rd outlet, described
3rd outlet is located at described saturated section of described cylinder and connects with described saturated section, and described triple feed inlet is located at described cylinder
Described superheat section also connects with described superheat section.
Wherein in an embodiment, described heat-exchanger rig includes running through described superheat section, described saturated section and described water add
The heat exchanger tube of hot arc, described heat exchanger tube is respectively communicated with described second import and described second outlet.
Wherein in an embodiment, described heat-exchanger rig also includes discharge, described heat exchanger tube by described discharge with
Described second outlet.
Wherein in an embodiment, described heat-exchanger rig also includes gas distributor, and described gas distributor is with described second import even
Logical, and connect near one end of described superheat section with described heat exchanger tube；Described heat-exchanger rig also includes collector box, described collector box
Connect with described discharge, and connect away from one end of described superheat section with described heat exchanger tube.
Wherein in an embodiment, described heat-exchanger rig also includes connecting tube, and described second import is by described connecting tube
Connect with described gas distributor；Described cylinder also includes that described linkage section, described linkage section are connected to the described overheated of described cylinder
Section, and it is positioned at one end that described superheat section is away from described saturated section；Described company is located in described second import and described second outlet
The section of connecing, and described connecting tube is located in described linkage section.
A kind of steam generator, including cylinder and heat-exchanger rig, it is characterised in that described cylinder is used for being passed through Jie to be heated
Matter, is used for being passed through high-temperature gas to heat medium to be heated in described heat-exchanger rig, the flow direction of high-temperature gas is with to be added
The flow direction of thermal medium is contrary.
In above-mentioned steam generator, after entering cylinder due to high-temperature gas, first by the high temperature section of high-temperature gas through overheated
Section produces superheated steam, and after heat exchange, gas temperature is relatively low arrives saturated section again and produce saturated vapor, Appropriate application high-temperature gas
Heat distribution, improve the production efficiency of superheated steam.
Wherein in an embodiment, described cylinder includes the described superheat section that sets gradually and described saturated section, High Temperature Gas
Body first passes through described superheat section, after through described saturated section.
Accompanying drawing explanation
Fig. 1 is the structural representation of steam generator better embodiment of the present invention.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing
Give presently preferred embodiments of the present invention.But, the present invention can realize in many different forms, however it is not limited to institute herein
The embodiment described.On the contrary, providing the purpose of these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element
Or element between the two can also be there is.When an element is considered as " connection " another element, and it can be direct
It is connected to another element or may be simultaneously present element between the two.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe tool
The purpose of the embodiment of body, it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more phase
Arbitrary and all of combination of the Listed Items closed.
Referring to Fig. 1, the steam generator in present pre-ferred embodiments includes cylinder 10 and heat-exchanger rig 20, cylinder 10
Inside being sequentially provided with superheat section 30 and saturated section 40, heat-exchanger rig 20 is located in cylinder 10, and cylinder 10 includes the first end 102 and with
The second end 104 that one end 102 is relative, cylinder 10 also includes the first import 105 for inputting medium to be heated, for having exported
The first of heated medium exports 106 and connects with heat-exchanger rig 20 and be used for inputting high temperature heating gas to heat-exchanger rig 20
The second import 107, the first import 105 is located at the second end 104, and the first end 102 is located in the first outlet 106 and the second import 107,
And superheat section 30 compares saturated section 40 closer to the first end 102.It should be noted that the first outlet 106 and the mentioned here
The end points that the first end 102 is not meant to be positioned only at the first end 102 of cylinder 10 is located in two imports 107, is positioned close to
The position of one end 102 is alternatively arranged on the first end 102, for this position is opposite second end 104.
In above-mentioned steam generator, after entering cylinder 10 due to high-temperature gas, first the high temperature section of high-temperature gas was passed through
Hot arc produces superheated steam, and after heat exchange, gas temperature is relatively low arrives saturated section again and produce saturated vapor, Appropriate application High Temperature Gas
The heat distribution of body, improves the production efficiency of superheated steam.
In the present embodiment, cylinder 10 also includes that the second outlet 108 is with the high-temperature gas after output cooling, the second outlet 108
Connect with heat-exchanger rig 20.Specifically, the first end 102 of cylinder 10 is located in the second outlet 108.
In the present embodiment, steam generator also includes that water bringing-up section 50, water bringing-up section 50 are located at saturated section 40 away from overheated
One end of section 30.
In the present embodiment, being provided with deflection plate 110 in cylinder 10, deflection plate 110 is located at cylinder 10 inwall, and towards opposite side
Inwall extend, and and the inwall of opposite side between leave gap.So, liquid or the gas of medium to be heated can be sent out at cylinder 10
Raw baffling, makes heat exchange be more uniformly distributed, and increases heat transfer effect.
Specifically, the superheat section 30 of cylinder 10 and water bringing-up section 50 are respectively equipped with multiple deflection plate 110, and at superheat section 30
With water bringing-up section 50, multiple deflection plates 110 are crisscross arranged, one end that the most adjacent two pieces of deflection plates 110 are connected with cylinder 10 inwall
It is connected to the two opposite sides of cylinder 10.Such setting, the liquid of medium to be heated of being more convenient for or gas are in cylinder 10 meeting
There is baffling, make heat exchange be more uniformly distributed.
In the present embodiment, saturated section 40 of cylinder 10 is provided with gripper shoe 111, and multiple gripper shoes 111 are located in cylinder 10
The downside of wall, is used for supporting the weight of the heat exchanger tube 201 of saturated section 40.
In the present embodiment, being additionally provided with tube sheet 112 in cylinder 10, tube sheet 112 is located at superheat section 30 near the first of cylinder 10
One end of end 102.
In the present embodiment, cylinder 10 is additionally provided with the triple feed inlet 114 and the 3rd outlet 115, the 3rd outlet 115 being interconnected
Being located at saturated section 40 of cylinder 10 and connect with saturated section 40, triple feed inlet 114 is located at the superheat section 30 of cylinder 10 and with overheated
Section 30 connection.So, then saturated section 40 saturated vapor produced can enter from triple feed inlet 114 from the 3rd outlet 115 output
Superheat section 30, to be further heated generation superheated steam.
In the present embodiment, the outer wall of cylinder 10 is additionally provided with bearing 116 to support whole cylinder 10.
In the present embodiment, heat-exchanger rig 20 includes penetrating hot arc 30, saturated section 40 and the heat exchanger tube of water bringing-up section 50
201, heat exchanger tube 201 is respectively communicated with the second import 107 and the second outlet 108.So, high-temperature gas can be from the second import 107
Enter and be passed through heat exchanger tube 201, with the media for heat exchange to be heated in cylinder 10 in heat exchanger tube 201, finally from the second outlet 108
Output steam generator.Specifically, heat exchanger tube 201 has many, and many heat exchanger tubes 201 are arranged at cylinder along the longitudinally spaced of cylinder 10
In body 10.This steam generator carries out heat exchange by heat exchanger tube 201, it is not necessary to arranges three sleeve pipes, therefore manufactures relatively simple,
And saving material, manufacturing cost can be substantially reduced.
In the present embodiment, heat-exchanger rig 20 also includes discharge 202, and heat exchanger tube 201 is by discharge 202 and the second outlet
108 connections.Specifically, discharge 202 sequentially passes through the superheat section 30 of cylinder 10, saturated section 40 and water bringing-up section 50.More specifically
Ground, discharge 202 is located at the center of cylinder 10.The superheat section 30 of cylinder 10, saturated section of 40 and are sequentially passed through by discharge 202
Water bringing-up section 50 is turned back the first end 102 of cylinder 10, to facilitate sealing.It is appreciated that discharge 202 also can be from its of cylinder 10
His position passes outside cylinder 10.
In the present embodiment, heat-exchanger rig 20 also includes that gas distributor 204, gas distributor 204 connect with the second import 107, and with
Heat exchanger tube 201 connects near one end of superheat section 30.The internal cavity having closing of gas distributor 204, when there being many heat exchanger tubes 201
Time, many heat exchanger tubes 201 cavity with gas distributor 204 respectively connects, thus high-temperature gas uniformly introduces each heat exchanger tube 201.
In the present embodiment, heat-exchanger rig 20 also includes that collector box 205, collector box 205 connect with discharge 202, and with change
Heat pipe 201 connects away from one end of superheat section 30.The internal cavity having closing of collector box 205, when there being many heat exchanger tubes 201,
Many heat exchanger tubes 201 cavity with collector box 205 respectively connects, thus high-temperature gas is derived each heat exchanger tube 201.Specifically,
The two ends of heat exchanger tube 201 are individually fixed in gas distributor 204 and collector box 205.
In the present embodiment, heat-exchanger rig 20 also includes connecting tube 207, and the second import 107 is by connecting tube 207 and gas distributor
204 connections.
In the present embodiment, cylinder 10 also includes that linkage section 60, linkage section 60 are connected to the superheat section 30 of cylinder 10, and is positioned at
Superheat section 30 is away from one end of saturated section 40.Specifically, linkage section 60 is located in the second import 107 and the second outlet 108, and connects
Pipe 207 is located in linkage section 60.
During the work of above-mentioned steam generator, high-temperature gas (generally high-temperature synthesis gas) enters from the second import 107 and connects
Pipe 207, subsequently into gas distributor 204, is then dispersed into each heat exchanger tube 201, and the high-temperature gas in heat exchanger tube 201 is successively overheated
Section 30, saturated section 40 and water bringing-up section 50 carry out heat exchange with medium to be heated, and the hot-gas temperature of superheat section 30 is the highest,
After superheat section 30 carries out heat exchange, temperature decreases, and arrives saturated section 40, and after carrying out heat exchange at saturated section 40, temperature is again
Decreasing, arrive water bringing-up section 50, then carry out heat exchange in water bringing-up section 50, the gas in the most all heat exchanger tubes 201 enters
Enter collector box 205, then sequentially pass through water bringing-up section 50, saturated section 40 and superheat section 207 through discharge 202, finally go out from second
Mouth 108 output；Boiler feedwater enters in cylinder 10 from the first import 105, then successively in water bringing-up section 50, saturated section 40 and mistake
Hot arc 30 and high-temperature gas carry out heat exchange, finally use for other equipment from the first outlet 106 output cylinder 10.Wherein
In one embodiment, the high-temperature gas at the second import 107 is about 440 DEG C, and the gas at the second outlet 108 is about 260 DEG C, and first
The boiler feed temperature of import is about 105 DEG C, and the temperature of the medium to be heated after water bringing-up section 50 heats is 150～200 DEG C,
The temperature of the saturated vapor obtained after saturated section 40 heating is about 250 DEG C, and pressure is about 3.9MPa, after superheat section 30 heats
The temperature of the superheated steam obtained is about 380 DEG C.
The steam generator that another embodiment of the present invention provides, including cylinder 10 and heat-exchanger rig 20, cylinder 10 is used for leading to
Enter medium to be heated, be used for being passed through high-temperature gas in heat-exchanger rig 20 so that medium to be heated to be heated, the stream of high-temperature gas
To contrary with the flow direction of medium to be heated.Specifically, cylinder 10 includes the superheat section 30 that sets gradually and saturated section 40, High Temperature Gas
Body first passes through superheat section 30, by supersaturation section 40.
In above-mentioned steam generator, after entering cylinder 10 due to high-temperature gas, first the high temperature section of high-temperature gas was passed through
Hot arc produces superheated steam, and after heat exchange, gas temperature is relatively low arrives saturated section again and produce saturated vapor, Appropriate application High Temperature Gas
The heat distribution of body, improves the production efficiency of superheated steam.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (12)
1. a steam generator, including cylinder (10) and heat-exchanger rig (20), it is characterised in that in described cylinder (10) successively
Being provided with superheat section (30) and saturated section (40), described heat-exchanger rig (20) is located in described cylinder (10), and described cylinder (10) wraps
Including the first end (102) and second end (104) relative with described first end (102), described cylinder (10) also includes the first import
(105), first (106) and the second import (107) connected with described heat-exchanger rig (20), described first import (105) are exported
Being located at described second end (104), described first end (102) is located in described first outlet (106) and described second import (107),
And described superheat section (30) compares described saturated section (40) closer to described first end (102).
Steam generator the most according to claim 1, it is characterised in that described cylinder (10) also includes the second outlet
(108), described second outlet (108) connects with described heat-exchanger rig (20).
Steam generator the most according to claim 2, it is characterised in that described steam generator also includes water bringing-up section
(50), described water bringing-up section (50) is located at described saturated section (40) one end away from described superheat section (30).
Steam generator the most according to claim 3, it is characterised in that be provided with deflection plate (110) in described cylinder (10),
Described deflection plate (110) is located at described cylinder (10) inwall, and extends towards the inwall of opposite side, and and the inwall of opposite side between
Leave gap.
Steam generator the most according to claim 4, it is characterised in that the described superheat section (30) of described cylinder (10) and
Described water bringing-up section (50) is respectively equipped with multiple deflection plate (110), and at described superheat section (30) with in described water bringing-up section
(50), multiple described deflection plates (110) are crisscross arranged；Described saturated section (40) of described cylinder (10) arrange gripper shoe (111),
Multiple described gripper shoes (111) are located at the downside of described cylinder (10) inwall.
Steam generator the most according to claim 3, it is characterised in that described cylinder (10) is additionally provided be interconnected
Triple feed inlet (114) and the 3rd outlet (115), described saturated section (40) of described cylinder (10) are located in described 3rd outlet (115)
And connect with described saturated section (40), described triple feed inlet (114) be located at described cylinder (10) described superheat section (30) and with
Described superheat section (30) connects.
Steam generator the most according to claim 3, it is characterised in that described heat-exchanger rig (20) includes running through described mistake
Hot arc (30), described saturated section (40) and the heat exchanger tube (201) of described water bringing-up section (50), described heat exchanger tube (201) is with described
Second import (107) and described second outlet (108) are respectively communicated with.
Steam generator the most according to claim 7, it is characterised in that described heat-exchanger rig (20) also includes discharge
(202), described heat exchanger tube (201) is connected with described second outlet (108) by described discharge (202).
Steam generator the most according to claim 8, it is characterised in that described heat-exchanger rig (20) also includes gas distributor
(204), described gas distributor (204) connects with described second import (107), and with described heat exchanger tube (201) near described overheated
One end connection of section (30)；Described heat-exchanger rig (20) also includes collector box (205), described collector box (205) and described gas collection
Pipe (202) connection, and connect away from one end of described superheat section (30) with described heat exchanger tube (201).
Steam generator the most according to claim 9, it is characterised in that described heat-exchanger rig (20) also includes connecting tube
(207), described second import (107) is connected with described gas distributor (204) by described connecting tube (207)；Described cylinder (10)
Also include that described linkage section (60), described linkage section (60) are connected to the described superheat section (30) of described cylinder (10), and be positioned at
Described superheat section (30) is away from the one end of described saturated section (40)；Described second import (107) and described second outlet (108) set
In described linkage section (60), and described connecting tube (207) is located in described linkage section (60).
11. 1 kinds of steam generators, including cylinder (10) and heat-exchanger rig (20), it is characterised in that described cylinder (10) is used for
It is passed through medium to be heated, is used for being passed through high-temperature gas in described heat-exchanger rig (20) so that medium to be heated to be heated, high temperature
Flowing to of gas is contrary with the flow direction of medium to be heated.
12. steam generators according to claim 11, it is characterised in that described cylinder (10) includes the institute set gradually
Stating superheat section (30) and described saturated section (40), high-temperature gas first passes through described superheat section (30), after through described saturated section
(40)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654718.1A CN106247299B (en) | 2016-08-10 | 2016-08-10 | Steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654718.1A CN106247299B (en) | 2016-08-10 | 2016-08-10 | Steam generator |
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| Publication Number | Publication Date |
|---|---|
| CN106247299A true CN106247299A (en) | 2016-12-21 |
| CN106247299B CN106247299B (en) | 2019-05-28 |
Family
ID=58077999
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610654718.1A Active CN106247299B (en) | 2016-08-10 | 2016-08-10 | Steam generator |
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| Country | Link |
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| CN (1) | CN106247299B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895815A (en) * | 2020-08-05 | 2020-11-06 | 哈尔滨锅炉厂有限责任公司 | Combined waste heat recovery device |
| CN112097229A (en) * | 2019-11-19 | 2020-12-18 | 中船重工（上海）新能源有限公司 | Steam generator |
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| US20120111288A1 (en) * | 2009-07-28 | 2012-05-10 | Sofinter S.P.A | Steam generator |
| CN202229155U (en) * | 2011-09-13 | 2012-05-23 | 杭州杭锅工业锅炉有限公司 | Tamped coke high temperature high pressure CDQ exhaust heat boiler |
| CN205156648U (en) * | 2015-11-18 | 2016-04-13 | 南京华电节能环保设备有限公司 | Forge burning furnace waste gas exhaust -heat boiler system from anticorrosive type of deoxidization |
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| US20120111288A1 (en) * | 2009-07-28 | 2012-05-10 | Sofinter S.P.A | Steam generator |
| CN201724194U (en) * | 2010-06-17 | 2011-01-26 | 南京国昌化工科技有限公司 | Horizontal sleeve type high-temperature waste heat recovery device capable of simultaneously generating saturated steam and superheated steam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112097229A (en) * | 2019-11-19 | 2020-12-18 | 中船重工（上海）新能源有限公司 | Steam generator |
| CN111895815A (en) * | 2020-08-05 | 2020-11-06 | 哈尔滨锅炉厂有限责任公司 | Combined waste heat recovery device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106247299B (en) | 2019-05-28 |
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