CN212319753U - Assembled energy-saving chimney - Google Patents
Assembled energy-saving chimney Download PDFInfo
- Publication number
- CN212319753U CN212319753U CN202020791018.9U CN202020791018U CN212319753U CN 212319753 U CN212319753 U CN 212319753U CN 202020791018 U CN202020791018 U CN 202020791018U CN 212319753 U CN212319753 U CN 212319753U
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- China
- Prior art keywords
- heat exchange
- steel pipe
- basic heat
- energy
- assembled
- 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.)
- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- 239000010935 stainless steel Substances 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003546 flue gas Substances 0.000 abstract description 12
- 239000002918 waste heat Substances 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model discloses an energy-conserving chimney of pin-connected panel, it is by the steel pipe flue, basic heat transfer component and parcel formula overcoat are assembled and are formed, wherein, basic heat transfer component is formed by arc end tile and the welding of grid strip rib, the internal diameter of arc end tile equals the external diameter of steel pipe flue, grid strip rib is located the surface of arc end tile, a plurality of basic heat transfer components closely fix the surface at the steel pipe flue and around steel pipe flue a week through the stainless steel ribbon, parcel formula overcoat tightly ties up the outside at basic heat transfer component through the buckle, the air flows in basic heat transfer component's grid passageway. The assembled energy-saving chimney is high in heat exchange efficiency, large in flue gas waste heat recovery amount, convenient to process, transport, store and install and capable of being directly additionally assembled and transformed on an existing steel pipe chimney.
Description
Technical Field
The utility model relates to an energy-conserving chimney, concretely relates to energy-conserving chimney of pin-connected panel belongs to heat energy engineering technical field.
Background
Energy conservation and emission reduction are one of the main principles followed by energy production and consumption enterprises in China. Boilers, kilns and the like are main energy consumption equipment in China. For large and medium boilers, an air preheater is generally arranged at the tail of a flue, and the waste heat of flue gas is utilized to heat air required by combustion, so that the exhaust gas temperature is reduced, the boiler efficiency is improved, and further, the energy is saved. However, for some small boilers, the capacity is small, the distribution is scattered, the automation degree is low, and the exhaust gas temperature is high and the thermal efficiency is low, for example: in a heating furnace of an oil field well site, high-temperature flue gas generated by combustion of fuel gas is discharged from a hearth smoke pipe directly through a steel pipe chimney, the exhaust gas temperature is high and is about 200-300 ℃, and the heat of the flue gas is discharged into the atmosphere along with the exhaust gas, so that energy waste is caused. According to the estimation, the boiler efficiency is improved by about 1% when the exhaust gas temperature is reduced by 10 ℃. Therefore, the heating furnace of the oil field well site has great energy-saving potential, can obviously reduce the heat loss of the exhaust smoke and improve the efficiency of the heating furnace by effectively utilizing the waste heat of the flue gas, and has important significance for realizing the aims of energy conservation and consumption reduction of the oil field.
The energy-saving chimney is a chimney with the function of recovering the waste heat of the flue gas. The energy-saving chimney is generally used for small boiler equipment, and the small boiler equipment has various types and specifications, so that if the energy-saving chimney needs to be equipped or additionally installed, the type and specification of the energy-saving chimney also need to be changed correspondingly, which brings difficulties for the design, processing, installation and application of the energy-saving chimney, and therefore the popularization and the use of the energy-saving chimney are limited.
The existing energy-saving chimney is designed integrally, and the design mainly has the following problems:
(1) the volume is large, and the transportation and the installation are difficult;
(2) the device is not beneficial to placing more heat exchange surfaces, and the waste heat recovery amount is small;
(3) the chimney is not beneficial to the production and processing of standardized products, and once the chimney is manufactured, the size of the chimney is difficult to adjust;
(4) for small boiler equipment which is already put into production, if an energy-saving chimney is required to be equipped, the original whole chimney needs to be replaced, and the additional installation and transformation cannot be carried out on the basis of the original chimney, so that the application cost is high.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art, the utility model aims to provide an energy-conserving chimney of pin-connected panel, this energy-conserving chimney of pin-connected panel not only heat exchange efficiency is high, flue gas waste heat recovery volume is big, is convenient for moreover process, transportation, deposits, installation and directly installs additional on having had steel pipe chimney and reform transform.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides an energy-conserving chimney of pin-connected panel, its characterized in that, form by steel pipe flue, basic heat transfer component and parcel formula overcoat are assembled, wherein, aforementioned basic heat transfer component is formed by the welding of arc bottom tile and grid rib, the internal diameter of arc bottom tile equals the external diameter of steel pipe flue, grid rib is located the surface of arc bottom tile, a plurality of basic heat transfer components closely fix the surface at steel pipe flue and around steel pipe flue a week through the stainless steel ribbon, parcel formula overcoat tightly ties in basic heat transfer component's the outside through the buckle, the air flows in basic heat transfer component's grid passageway.
The assembled energy-saving chimney is characterized in that the arc-shaped bottom tiles and the grid ribs are made of steel plates.
The assembled energy-saving chimney is characterized in that the wrapping type outer sleeve is made of heat-insulating, waterproof and sun-proof materials.
The assembled energy-saving chimney is characterized in that the wrapped outer sleeve is 5-10cm longer than the basic heat exchange elements.
The assembled energy-saving chimney is characterized in that a heat-conducting glue coating is coated between the steel pipe flue and the basic heat exchange element.
The assembled energy-saving chimney is characterized in that a circle of basic heat exchange elements assembled on the outer surface of the steel pipe flue and a wrapping type outer sleeve tightly bound to the outer side of the basic heat exchange elements form a primary heat exchange unit of the energy-saving chimney, and the whole energy-saving chimney is provided with one-stage or multi-stage series-connected heat exchange units.
The utility model discloses an useful part lies in:
(1) the energy-saving chimney provided by the utility model is formed by assembling basic heat exchange elements with simple structure, flexible arrangement and wide application range;
(2) the energy-saving chimney provided by the utility model adopts the basic heat exchange element formed by welding the arc bottom tile and the grid ribs, and the basic heat exchange element is not only convenient for standardized production and processing, but also convenient for transportation and storage, and convenient and fast to install;
(3) the energy-saving chimney provided by the utility model has the advantages that a heat-conducting glue coating is coated between the steel pipe flue and the basic heat exchange element, so that compared with the existing energy-saving chimney, the heat exchange efficiency of hot flue gas and cold air is higher, the recovery amount of the waste heat of the hot flue gas is larger, and the heat exchange effect is better;
(4) the utility model provides an energy-conserving chimney can directly install additional on having steel pipe chimney and reform transform, and the application cost is lower.
Drawings
Fig. 1 is a longitudinal sectional view of the assembled energy-saving chimney provided by the present invention;
FIG. 2 is a top view of the basic heat exchange element of FIG. 1;
fig. 3 is an exploded view of a-a section of the assembled energy-saving chimney in fig. 1.
The meaning of the reference symbols in the figures:
1-a steel pipe flue, 2-a basic heat exchange element, 3-a stainless steel ribbon, 4-a wrapping type outer sleeve, 5-a buckle, 6-a heat-conducting glue coating and 7-a fan;
21-arc bottom tile, 22-grid rib.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, 2 and 3, the assembled energy-saving chimney provided by the present invention is assembled by a steel pipe flue 1, a basic heat exchange element 2 and a wrapping jacket 4.
The structure of the basic heat exchange element 2 and the wraparound jacket 4 will be described in detail below.
The basic heat exchange elements 2 are formed by welding arc-shaped bottom tiles 21 and grid ribs 22, wherein the arc-shaped bottom tiles 21 are made of steel plates, the inner diameter of each arc-shaped bottom tile 21 is equal to the outer diameter of the steel pipe flue 1, so that the arc-shaped bottom tiles 21 can be perfectly attached to the outer surface of the steel pipe flue 1, the central angle corresponding to the arc of each arc-shaped bottom tile 21 is 360/N degrees, N is a positive integer, the number of the basic heat exchange elements 2 required by the arrangement of one circle of the basic heat exchange elements 2 on the outer surface of the steel pipe flue 1 is equal to that of the basic heat exchange elements 2, and the basic heat exchange elements 2 can; the grid rib 22 is also made of steel plate and is positioned on the outer surface of the arc-shaped bottom tile 21, and the grid rib 22 is shorter than the arc-shaped bottom tile 21 in length, so that the stainless steel ribbon 3 can conveniently bind and fix the basic heat exchange element 2. When in use, a plurality of basic heat exchange elements 2 are tightly fixed on the outer surface of the steel pipe flue 1 through stainless steel bands 3, and surround the steel pipe flue 1 for a circle to form a cylinder, wherein the stainless steel bands 3 are specifically bound on the upper end and the lower end of the basic heat exchange elements 2, namely the sections of the arc-shaped bottom tiles 21 which are longer than the grid ribs 22.
The wrapping type coat 4 is made of heat-insulating, waterproof and sun-proof materials, is flatly spread into a rectangle, and the width between the upper part and the lower part is 5-10cm longer than that of the basic heat exchange element 2. When the heat exchanger is used, the wrapping type outer sleeve 4 is curled into a sleeve, wrapped outside a cylinder formed by a circle of basic heat exchange elements 2 and tightly bound on the outer sides of the basic heat exchange elements 2 through a plurality of buckles 5, and air flows in grid channels of the basic heat exchange elements 2.
As an optimal scheme, when the energy-saving chimney is installed, a layer of heat-conducting glue coating 6 is coated between the steel pipe flue 1 and the basic heat exchange element 2, the existence of the heat-conducting glue coating 6 can effectively reduce the fit gap between the outer surface of the steel pipe flue 1 and the arc-shaped bottom tile 21 of the basic heat exchange element 2, and further enhance the heat exchange effect, so that the heat exchange efficiency of hot smoke and cold air is higher, and the heat recovery of the hot smoke is larger.
The primary heat exchange unit of the energy-saving chimney is formed by a circle of basic heat exchange elements 2 assembled on the outer surface of the steel pipe flue 1 and a wrapping type jacket 4 tightly bound on the outer side of the basic heat exchange elements 2, and the whole energy-saving chimney is provided with one-stage or multi-stage series-connected heat exchange units and can be specifically selected according to needs.
Referring to fig. 1, the utility model provides an energy-conserving chimney of pin-connected panel's theory of operation as follows:
hot flue gas flows in the steel pipe flue 1, cold air flows in a grid channel of the basic heat exchange element 2, the hot flue gas and the cold air flow in a counter-current mode, the hot flue gas transfers heat to the cold air through the basic heat exchange element 2, and the cold air flows through the energy-saving chimney under the action of the fan 7 to be heated and is supplied to the combustion system.
It should be noted that the above-mentioned embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (6)
1. The assembled energy-saving chimney is characterized by being formed by assembling a steel pipe flue (1), basic heat exchange elements (2) and a wrapped outer sleeve (4), wherein the basic heat exchange elements (2) are formed by welding arc-shaped bottom tiles (21) and grid rib (22), the inner diameter of each arc-shaped bottom tile (21) is equal to the outer diameter of the steel pipe flue (1), the grid rib (22) is located on the outer surface of each arc-shaped bottom tile (21), a plurality of basic heat exchange elements (2) are tightly fixed on the outer surface of the steel pipe flue (1) through stainless steel ribbons (3) and surround the steel pipe flue (1) for one circle, the wrapped outer sleeve (4) is tightly bound on the outer side of the basic heat exchange elements (2) through buckles (5), and air flows in grid channels of the basic heat exchange elements (2).
2. The assembled energy-saving chimney according to claim 1, characterized in that the arc-shaped bottom tiles (21) and the grid rib (22) are made of steel plates.
3. The assembled energy-saving chimney according to claim 1, characterized in that the wrapped jacket (4) is made of a material that is heat-insulating, waterproof and sun-proof.
4. The assembled energy-saving chimney according to claim 1, characterized in that the wrapped jacket (4) is 5-10cm longer than the upper and lower sides of the basic heat exchange element (2).
5. The assembled energy-saving chimney according to claim 1, characterized in that a heat-conducting glue coating (6) is coated between the steel tube flue (1) and the basic heat exchange element (2).
6. The assembled energy-saving chimney according to claim 1, characterized in that a circle of basic heat exchange elements (2) assembled on the outer surface of the steel pipe flue (1) and a wrapping jacket (4) tightly attached to the outer side of the basic heat exchange elements (2) form a primary heat exchange unit of the energy-saving chimney, and the whole energy-saving chimney is provided with one-stage or multi-stage heat exchange units connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020791018.9U CN212319753U (en) | 2020-05-13 | 2020-05-13 | Assembled energy-saving chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020791018.9U CN212319753U (en) | 2020-05-13 | 2020-05-13 | Assembled energy-saving chimney |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212319753U true CN212319753U (en) | 2021-01-08 |
Family
ID=74024668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020791018.9U Expired - Fee Related CN212319753U (en) | 2020-05-13 | 2020-05-13 | Assembled energy-saving chimney |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212319753U (en) |
-
2020
- 2020-05-13 CN CN202020791018.9U patent/CN212319753U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221114 Address after: 257,000 500 meters north of the intersection of Jiaxiang Road and Leshan Road, Dongying District, Dongying City, Shandong Province Patentee after: Dongying Xinhui Petroleum Equipment Co.,Ltd. Address before: 710065, No. 18, two East, electronic road, Shaanxi, Xi'an Patentee before: XI'AN SHIYOU University |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 |