CN106016753A - Heat collecting tube for household boiler - Google Patents
Heat collecting tube for household boiler Download PDFInfo
- Publication number
- CN106016753A CN106016753A CN201610479131.1A CN201610479131A CN106016753A CN 106016753 A CN106016753 A CN 106016753A CN 201610479131 A CN201610479131 A CN 201610479131A CN 106016753 A CN106016753 A CN 106016753A
- Authority
- CN
- China
- Prior art keywords
- heat
- boiler
- tube
- thermal
- heat collecting
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/30—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/02—Constructions of heat-exchange apparatus characterised by the selection of particular materials of carbon, e.g. graphite
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a heat collecting tube for a household boiler. The heat collecting tube comprises a tube body and is characterized in that a plurality of fins are arranged on the outer wall of the tube body, and the two ends of the tube body are connected with heat exchanger outer walls; seal devices are arranged between the tube body and the heat exchanger outer walls; a plurality of spiral grooves are formed in the inner tube wall of the tube body; and the fins are made from graphene. The heat collecting tube has the advantages that the heat exchange efficiency of the heat collecting tube is effectively increased, the heat collecting tube can be used for cooling or heating and can be applied to the heat exchange of steam or smoke in the boiler, the efficiency of a coal economizer can be effectively increased, the heat exchange effect of a preheater can be enhanced, waste heat can be conveniently used for heating water in the water tank of the boiler, and the like.
Description
Technical field
The present invention relates to one
Component device in boiler heat-exchanger
, particularly relate to the thermal-arrest tubulation of a kind of domestic boiler.
Background technology
Boiler is a kind of energy conversion, and the energy to boiler input has the chemical energy in fuel, electric energy, boiler output to have the steam of certain heat energy, high-temperature water or organic heat carrier.The original meaning of pot refers to the water container of heating on fire, and stove refers to the place of burning fuel, and boiler includes pot and stove two large divisions.The hot water produced in boiler or steam directly can provide required heat energy for commercial production and people's lives, it is possible to be converted to mechanical energy by Steam Power Equipment, or convert mechanical energy into electric energy by electromotor again.The boiler providing hot water is referred to as hot-water boiler, is mainly used in life, also has a small amount of application in commercial production.The boiler producing steam is referred to as steam boiler, is often simply called boiler, is used for thermal power station, boats and ships, locomotive and industrial and mining establishment.
Economizer is mounted to the boiler back end ductwork bottom a kind of device for recovery waste heat, the heating surface of saturation water boiler feedwater being heated under drum pressure, owing to it absorbs the heat of low-temperature flue gas, reduce the exhaust gas temperature of flue gas, save the energy, improve efficiency, so referred to as economizer.
Tubular heat exchanger is a kind of heat exchanger most widely used in current chemical industry and Alcohol Production.It is mainly made up of housing, tube sheet, heat exchanger tube, end socket, hydraulic barrier etc..Required material
, ordinary carbon steel, red copper or rustless steel can be respectively adopted and make.
Air preheater is exactly that the flue gas in boiler back end ductwork passes through the internal fin heating surface by the air preheat before entrance boiler to uniform temperature.For improving the heat exchange performance of boiler, reduce energy expenditure.
At present, existing economizer is used mostly carbon steel and makes thermal-collecting tube, and the heat exchanger tube in tubular heat exchanger is made of copper mostly, and mostly the flue in air preheater is to make with common material, mostly heat exchange pipe in above centralised arrangement is to consist of relatively simple material and structure, in existing device, heat exchange effect is general, it is impossible to meet the market demand.
Summary of the invention
The invention aims to provide
A kind of heat exchange efficiency being effectively increased thermal-arrest tubulation, can be used as cooling or heating uses, can be applicable in the steam heat-exchanging in boiler or flue gas heat exchange, can effectively improve the efficiency of economizer, the heat transfer effect of preheater can be strengthened, the most conveniently utilize the advantages such as waste heat water in heating boiler water tank
A kind of thermal-arrest tubulation of domestic boiler
。
In order to realize the purpose of the present invention, the present invention is realized by techniques below means: the thermal-arrest tubulation of a kind of domestic boiler, including body；It is characterized in that: described tube wall is provided with multiple fin, described body two ends connect heat-exchanger rig outer wall；It is provided with sealing device between described body and heat-exchanger rig outer wall；Described tubular body tube wall is provided with multiple helical groove；Described fin Graphene is made.
Described tube wall is made up of Graphene.
Described body can be U-tube.
It is provided with clamp device inside described sealing device.
Operation principle of the present invention:
In the present invention, by fin will be increased on tube wall, thus add body and external contact area；And the helical groove of tubular body, effectively increase and be fully contacted area between tubular body stream material and body；By the way, two combine, add the heat conductivity of tubular body material and exterior materials, again by utilizing Graphene to manufacture fin and body, strengthen the heat conductivity of body, thus add the heat energy displacement efficiency of thermal-arrest tubulation, can be effectively used for heating tubular body material or body exterior materials.
Beneficial effects of the present invention:
The present invention is effectively increased the heat exchange efficiency of thermal-arrest tubulation, can be used as cooling or heating uses, can be applicable in the steam heat-exchanging in boiler or flue gas heat exchange, can effectively improve the efficiency of economizer, the heat transfer effect of preheater can be strengthened, the most conveniently utilize the advantages such as waste heat water in heating boiler water tank.
Accompanying drawing explanation
Accompanying drawing 1 is the cross sectional view of the present invention.
In accompanying drawing: 1-body, 2-fin, 3-helical groove, 4-heat-exchanger rig outer wall, 5-sealing device.
Detailed description of the invention
Embodiment 1
The thermal-arrest tubulation of a kind of domestic boiler, including body 1；It is characterized in that: described body 1 outer wall is provided with multiple fin 2, described body 1 two ends connect heat-exchanger rig outer wall 4；It is provided with sealing device 5 between described body 1 and heat-exchanger rig outer wall 4；Described body 1 inner pipe wall is provided with multiple helical groove 3；Described fin 2 is made with Graphene.
Described tube wall is made up of Graphene.
Described body 1 can be U-tube.
Described sealing device 5 is internal is provided with clamp device.
Embodiment 2
Operation principle of the present invention:
In the present invention, by fin 2 will be increased on tube wall, thus add body 1 and external contact area；And the helical groove 3 within body 1, effectively increase and be fully contacted area between body 1 internal flow material and body 1；By the way, two combine, add the heat conductivity of body 1 inner material and exterior materials, again by utilizing Graphene to manufacture fin 2 and body 1, strengthen the heat conductivity of body 1, thus add the heat energy displacement efficiency of thermal-arrest tubulation, can be effectively used for heating body 1 inner material or body 1 exterior materials.
Embodiment 3
Present invention can apply in Boiler Steam heat exchanger, when body 1 internal flow steam, body 1 extraneous air can be heated；When body 1 flows outside steam, thermal-arrest tubulation can be used as cooling tube and uses, body 1 internal flow cooling water, and available steam-heating pipe body 1 internal cooling water increases exhaust heat utilization effect.
Embodiment 4
Graphene is the nano material that known world is the thinnest, the hardest, and it is almost fully transparent, only absorbs the light of 2.3%；Heat conductivity is up to 5300W/m K, and higher than CNT and diamond, under room temperature, its electron mobility is more than 15000cm2/V s, again ratio CNT or silicon wafer height, and resistivity only about 10-6 Ω cm, lower than copper or silver, for the material that world resistivity is minimum.Because its resistivity is extremely low, the speed of electron transfer is exceedingly fast, and is therefore expected to can be used to develop thinner, conduction speed a new generation's electronic component or transistor faster.Due to a kind of transparent, good conductor of Graphene, it also is adapted for for manufacturing transparent touch screen, tabula rasa, even solaode.
Present invention can apply to, in the economizer in boiler, improve the thermal conduction effect of existing economizer, the thermal-arrest tubulation made by Graphene, thermal conduction effect and hardness are above the carbon steel in existing economizer.
Embodiment 5
It is also possible to apply the invention in air preheater, smoke pipe tube bank is replaced by the present invention, add the contact area between tube bank inside smoke and tube wall, strengthening heat energy outwards to conduct, and need the cold air of preheating also can be fully contacted with tube bank, increasing people can absorb, add the waste heat efficiency of preheater, strengthen heat transfer effect, take full advantage of heat energy, reduce the wasting of resources.
Embodiment 6
In the present invention, helical groove 3 on body 1 inwall can make the heat exchange material within body 1 flow in the shape of a spiral, increases the space that is fully contacted between body 1 inner material and tube wall, strengthens heat exchange effect, increase thermal energy exchange efficiency, thus strengthen heat utilization rate.
Embodiment 7
In the present invention, the shape of body 1 can improve according to demand, can be the arrangement of single-pipeline tubulation, and two ends connect heat energy displacement device；Can also is that the tubulation arrangement of U-tube road, the two ends of homonymy connect heat energy displacement device, convenient dismounting and later maintenance etc..
Claims (4)
1. a thermal-arrest tubulation for domestic boiler, including body；It is characterized in that: described tube wall is provided with multiple fin, described body two ends connect heat-exchanger rig outer wall；It is provided with sealing device between described body and heat-exchanger rig outer wall；Described tubular body tube wall is provided with multiple helical groove；Described fin Graphene is made.
The thermal-arrest tubulation of a kind of domestic boiler the most according to claim 1, it is characterised in that: described tube wall is made up of Graphene.
The thermal-arrest tubulation of a kind of domestic boiler the most according to claim 1, it is characterised in that: described body can be U-tube.
The thermal-arrest tubulation of a kind of domestic boiler the most according to claim 1, it is characterised in that: it is provided with clamp device inside described sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610479131.1A CN106016753A (en) | 2016-06-28 | 2016-06-28 | Heat collecting tube for household boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610479131.1A CN106016753A (en) | 2016-06-28 | 2016-06-28 | Heat collecting tube for household boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106016753A true CN106016753A (en) | 2016-10-12 |
Family
ID=57083658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610479131.1A Pending CN106016753A (en) | 2016-06-28 | 2016-06-28 | Heat collecting tube for household boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106016753A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405622A (en) * | 2018-11-13 | 2019-03-01 | 宁波锦锐能源科技有限公司 | Heat exchange fin is used in a kind of recycling of boiler afterheat |
| CN113532155A (en) * | 2020-04-03 | 2021-10-22 | 浙江大学 | High-efficiency heat exchanger of fuel cell temperature control system and processing device thereof |
| IT202100006272A1 (en) * | 2021-03-16 | 2022-09-16 | X Phaethon S R L S | HEAT EXCHANGER TUBE WITH IMPROVED CONDUCTIVITY CHARACTERISTICS |
-
2016
- 2016-06-28 CN CN201610479131.1A patent/CN106016753A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405622A (en) * | 2018-11-13 | 2019-03-01 | 宁波锦锐能源科技有限公司 | Heat exchange fin is used in a kind of recycling of boiler afterheat |
| CN113532155A (en) * | 2020-04-03 | 2021-10-22 | 浙江大学 | High-efficiency heat exchanger of fuel cell temperature control system and processing device thereof |
| IT202100006272A1 (en) * | 2021-03-16 | 2022-09-16 | X Phaethon S R L S | HEAT EXCHANGER TUBE WITH IMPROVED CONDUCTIVITY CHARACTERISTICS |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |