CN203963992U - Enamel plate type air preheater - Google Patents
Enamel plate type air preheater Download PDFInfo
- Publication number
- CN203963992U CN203963992U CN201420416501.3U CN201420416501U CN203963992U CN 203963992 U CN203963992 U CN 203963992U CN 201420416501 U CN201420416501 U CN 201420416501U CN 203963992 U CN203963992 U CN 203963992U
- Authority
- CN
- China
- Prior art keywords
- plate
- exhaust gases
- heat exchange
- gases passes
- core body
- 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
Links
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
Abstract
The utility model belongs to preheater technical field, be specifically related to a kind of enamel plate type air preheater, comprise framework and heat exchange core body, heat exchange core body is fixedly connected with framework by securing member, heat exchange core body is formed being layering by multiple plates, each plate forms the plate that has flanging by two both sides, the flanging of two plates be welded as a whole and two plates between form air duct, adjacent panels between connect and support and form exhaust gases passes by dumbbell bar sealing by dumbbell bar, described plate is dull and stereotyped, between adjacent plate in air duct and exhaust gases passes, spot welding support column supports, plate in exhaust gases passes and support column surface increase enamel layer.The utility model can effectively solve the low-temperature dew point corrosion problem of conventional air preheater, and can reduce resistance, improve the fluency of flue gas and air, thereby avoid the problem of the easy dust stratification of flue gas and air duct, fouling corrosion, without deashing device, product structure is simplified, and manufacture and maintenance cost are low.
Description
Technical field
The utility model relates to a kind of enamel plate type air preheater, belongs to preheater technical field.
Background technology
Air preheater is the equipment that high-temperature flue gas and the burning cold air used of the generations such as a kind of converter to reburner, pyrolysis furnace, heating furnace, steel and iron industry, waste gas catalytic incineration stove, hot-blast stove carries out heat exchange, its effect is, make high-temperature flue gas cooling, reduce noxious gas emission, improve combustion air temperature, reducing energy resource consumption, is the energy-saving and environmental protection equipment that the industries such as a kind of oil refining, chemical industry, iron and steel, metallurgy, power industry are often used.
Along with the reduction of flue-gas temperature, usually can bring low-temperature dew point corrosion problem to air preheater.So-called low-temperature dew point corrosion refers to that the sulphur in fuel is oxidized into after oxysulfide and is combined with steam and generates sulfuric acid, and when preheater wall temperature is during lower than its dew point, sulfuric acid condenses and corrosion device material on wall.This etching problem is produced and is brought very large impact to the long period of device, and strong cold end corrosion can cause the perforation of Air Preheater Heating Surface, and then jeopardizes the safety of equipment, becomes the great difficult problem that air preheater design is eager solution.
Plate type heat exchanger is a kind of efficient and compact heat transmission equipment, have that heat transfer coefficient is high, the pressure loss is little, compact conformation, the plurality of advantages such as easy to maintenance, therefore the general plate air preheater that adopts in prior art, and adopt corrugated cardboard sheet as heat transfer element, but its shortcoming also can not be ignored, corrugated plating has increased the flow resistance of flue gas and air, needs to be equipped with high-power blower, reduce thermal energy consumption loss, but increased power consumption.The operating mode simultaneously requiring at low pressure drop is difficult to realize, moreover the viscosity of gas own is little, is easy to form turbulent flow, and the complexity of shape is little to Heat Transfer Influence, has increased on the contrary resistance.Meanwhile, the preheater of this corrugated plating form is easy to dust stratification, fouling, thus reduce service life of equipment, deashing device must be set, regularly clear up, not only make the complex structural designs of equipment, and can bring inconvenience to client because repairing to shut down.
Utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of low temperature resistant dew point corrosion, resistance little, be difficult for dust stratification and heat exchange efficiency is high, cost is low enamel plate type air preheater.
Enamel plate type air preheater described in the utility model, comprise framework and heat exchange core body, heat exchange core body is fixedly connected with framework by securing member, heat exchange core body is formed being layering by multiple plates, each plate forms the plate that has flanging by two both sides, the flanging of two plates be welded as a whole and two plates between form air duct, adjacent panels between connect and support and form exhaust gases passes by dumbbell bar sealing by dumbbell bar, described plate is dull and stereotyped, between adjacent plate in air duct and exhaust gases passes, spot welding support column supports, plate in exhaust gases passes and support column surface increase enamel layer.
In this enamel plate type air preheater, the plate surface in exhaust gases passes increases enamel layer (through enamel processing), efficiently solves conventional air preheater low-temperature dew point corrosion problem; By adopting the form of dull and stereotyped some support column, the air duct and the exhaust gases passes that form are wide and straight, not only improve the fluency of flue gas and air, can also avoid the problem of the easy dust stratification of passage, fouling corrosion simultaneously, without considering to arrange deashing device, simplify product structure, fully reduced maintenance cost, significantly reduced operative employee's labour intensity.
Except above-mentioned points, the preferred stainless steel of plate in the utility model, the preferred refractory seals material of dumbbell bar.
The beneficial effect that the utility model compared with prior art had is:
The utility model reasonable in design, exhaust gases passes surface can effectively solve the low-temperature dew point corrosion problem of conventional air preheater through enamel processing, plate adopts dull and stereotyped point to support pillar form, can reduce the fluency of resistance, raising flue gas and air, thereby avoided the problem of the easy dust stratification of flue gas and air duct, fouling corrosion, and without deashing device is set, product structure is simplified, manufacture and maintenance cost reduction, make operative employee's labour intensity reduce simultaneously.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1, framework; 2, plate; 3, flanging; 4, dumbbell bar; 5, support column; 6, air duct; 7, securing member; 8, exhaust gases passes.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in Figure 1, this enamel plate type air preheater comprises framework 1 and heat exchange core body, heat exchange core body is fixedly connected with framework 1 by securing member 7 (as fishbolt nut assembly), heat exchange core body is formed being layering by multiple plates, each plate forms the plate 2 by two both sides with flanging 3, the flanging 3 of two plates 2 be welded as a whole and two plates 2 between form air duct 6, adjacent two plates between by upper, lower two dumbbell bars 4 connect support, adjacent two plates pair with two dumbbell bars 4 jointly around forming exhaust gases passes 8, described plate 2 is dull and stereotyped, between adjacent plate 2 in air duct 6 and exhaust gases passes 8, spot welding support column 5 supports, support column surface in plate 2 surfaces and exhaust gases passes 8 in exhaust gases passes 8 all increases enamel layer.In the present embodiment, the preferred stainless steel of plate 2; The preferred refractory seals material of dumbbell bar 4, guarantees and right being tightly connected of plate.
In this enamel plate type air preheater, increase enamel layer (through enamel processing) by plate 2 surfaces in exhaust gases passes 8, efficiently solve conventional air preheater low-temperature dew point corrosion problem; By adopting the form of dull and stereotyped some support column 5, the air duct 6 forming is wide and straight with exhaust gases passes 8, not only improve the fluency of flue gas and air, can also avoid the problem of the easy dust stratification of passage, fouling corrosion simultaneously, without considering to arrange deashing device, simplify product structure, fully reduced maintenance cost, significantly reduced operative employee's labour intensity.
Claims (3)
1. an enamel plate type air preheater, comprise framework (1) and heat exchange core body, heat exchange core body is fixedly connected with framework (1) by securing member (7), it is characterized in that: heat exchange core body is formed being layering by multiple plates, each plate forms the plate (2) by two both sides with flanging (3), the flanging (3) of two plates (2) be welded as a whole and two plates (2) between form air duct (6), adjacent panels between connect and support and form exhaust gases passes (8) by dumbbell bar (4) sealing by dumbbell bar (4), described plate (2) is dull and stereotyped, between adjacent plate (2) in air duct (6) and exhaust gases passes (8), spot welding support column (5) supports, plate (2) in exhaust gases passes (8) and support column surface increase enamel layer.
2. enamel plate type air preheater according to claim 1, is characterized in that: described plate (2) is stainless steel.
3. enamel plate type air preheater according to claim 1 and 2, is characterized in that: described dumbbell bar (4) is refractory seals material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420416501.3U CN203963992U (en) | 2014-07-25 | 2014-07-25 | Enamel plate type air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420416501.3U CN203963992U (en) | 2014-07-25 | 2014-07-25 | Enamel plate type air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203963992U true CN203963992U (en) | 2014-11-26 |
Family
ID=51924571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420416501.3U Expired - Fee Related CN203963992U (en) | 2014-07-25 | 2014-07-25 | Enamel plate type air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203963992U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633694A (en) * | 2015-02-03 | 2015-05-20 | 上海齐耀热能工程有限公司 | Plate air preheater with fully-glass-lined channel |
| CN105135919A (en) * | 2015-09-30 | 2015-12-09 | 山东旺泰科技有限公司 | Integrally-sealed silicon carbide heat exchanger |
| CN106500126A (en) * | 2016-12-07 | 2017-03-15 | 洛阳明远石化技术有限公司 | Built-in air preheater and the CO boilers with which |
| CN107289458A (en) * | 2017-05-22 | 2017-10-24 | 武汉炼化工程设计有限责任公司 | A kind of air preheater with spray structure |
-
2014
- 2014-07-25 CN CN201420416501.3U patent/CN203963992U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633694A (en) * | 2015-02-03 | 2015-05-20 | 上海齐耀热能工程有限公司 | Plate air preheater with fully-glass-lined channel |
| CN104633694B (en) * | 2015-02-03 | 2017-06-06 | 上海齐耀热能工程有限公司 | The plate air preheater of full enamel passage |
| CN105135919A (en) * | 2015-09-30 | 2015-12-09 | 山东旺泰科技有限公司 | Integrally-sealed silicon carbide heat exchanger |
| CN106500126A (en) * | 2016-12-07 | 2017-03-15 | 洛阳明远石化技术有限公司 | Built-in air preheater and the CO boilers with which |
| CN107289458A (en) * | 2017-05-22 | 2017-10-24 | 武汉炼化工程设计有限责任公司 | A kind of air preheater with spray structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104696983B (en) | Self-supporting wide gap heat exchanging element | |
| CN203963992U (en) | Enamel plate type air preheater | |
| CN201909551U (en) | Flue gas waste heat-recycling high-efficient heat treatment furnace | |
| CN204513444U (en) | Self-supporting broad gap heat exchange element | |
| CN202182624U (en) | Energy-saving aluminium melting conjuncted furnace | |
| CN203963991U (en) | Combined air preheater | |
| CN201917230U (en) | Afterheat concentrated recovering device for tubular heating furnace | |
| CN201697152U (en) | Novel combined type plate air preheater | |
| CN203162983U (en) | Novel efficient combined type air preheating device | |
| CN102840779B (en) | Dew point corrosion preventing all-welded plate type heat exchanger | |
| CN205642079U (en) | Flat air heater of non - welding | |
| CN202141326U (en) | Flue heat exchange device for tunnel kiln | |
| CN202195501U (en) | Maze modular type air preheater | |
| CN101813322B (en) | Air preheater for preventing corrosion of dew points | |
| CN203550637U (en) | Plate-type preheating device for aluminum-fusing shaft furnace | |
| CN204404817U (en) | Fume afterheat resources shifting with utilize system | |
| CN201715883U (en) | Multifunctional heat exchanger | |
| CN201289326Y (en) | Combined metal heat exchanger | |
| CN202915395U (en) | Built-in flue plate type preheater | |
| CN202485212U (en) | Novel integral condensing boiler | |
| CN204388667U (en) | Flue gas waste heat recovery square heat exchanger | |
| CN202303419U (en) | Energy-saving flue gate device | |
| CN202382622U (en) | Inorganic heat transfer type low-temperature corrosion prevention air preheater | |
| CN104534894A (en) | Conversion and utilization system of flue gas waste heat resources | |
| CN204514075U (en) | A kind of mechanical cooler for argon oxygen decarburization refining stove dust pelletizing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20180725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |