CN203298332U - External glass lining tubular air preheater - Google Patents
External glass lining tubular air preheater Download PDFInfo
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- CN203298332U CN203298332U CN2013202455286U CN201320245528U CN203298332U CN 203298332 U CN203298332 U CN 203298332U CN 2013202455286 U CN2013202455286 U CN 2013202455286U CN 201320245528 U CN201320245528 U CN 201320245528U CN 203298332 U CN203298332 U CN 203298332U
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- tube
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- preheater
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- glass lining
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- 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
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Abstract
The utility model belongs to the technical field of air preheating equipment and particularly relates to an external glass lining tubular air preheater. The external glass lining tubular air preheater comprises a first tube plate, a second tube plate, a first box body plate, a second box body plate and a plurality of preheater tubes, wherein the first tube plate is arranged vertically and provided with a plurality of first through holes; the second tube plate is arranged opposite to the first tube plate and is provided with second through holes corresponding to the first through holes; the first box body plate, and the first and second tube plates are arranged on the same side, and the first box body plate is tightly connected with the first and second tube plates; the second box body plate tightly connected with the first and second tube plates is arranged on the opposite side of the first box body plate; the preheater tubes are arranged in the area defined by the first tube plate, the second tube plate, the first box body plate and the second box body plate, each preheater tube respectively penetrates through one first through hole and the corresponding second through hole, and the two ends of each preheater tube are respectively and fixedly connected with the first tube plate and the second tube plate. As the glass lining is enameled on the outer surface of each tube body, and each tube body adopts a corrugated tube, the problems of poor corrosion resistance, poor heat exchange effect and short service life found in an existing tubular air preheater are solved.
Description
Technical field
The utility model belongs to the air preheat equipment technical field, relates in particular to a kind of outer glass lining pipe regenerative air heater.
Background technology
Air preheater is to utilize the heat heating fuel of boiler tail flue gas to burn required air to improve the heat-exchange apparatus of boiler efficiency, many thin-wall steel tubes and steel plate, consists of.During operation, flue gas is walked in pipe, and air is walked pipe, and (or flue gas is walked outside pipe outward, air is walked in pipe), the preheater tube that has absorbed flue gas heat transfers heat to air, makes to enter the front air preheat of boiler to uniform temperature, thereby improve the heat exchange performance of boiler, reduce energy consumption.
At present, the normal optical tubular air preheater is because of simple in structure, use and easy for installation, cost is low, be widely used in the fields such as oil, metallurgy, chemical industry, but its pre-thermal efficiency and service life is unsatisfactory, particularly in recent years, because fuel source is in short supply, the sulfur content in fire coal is high, causes sulfur content in the flue gas of boiler to raise, to the corrosivity aggravation of air preheater, greatly shortened the service life of equipment.
The utility model content
The purpose of this utility model is to provide a kind of outer glass lining pipe regenerative air heater, is intended to solve the problem that corrosion-resistant, heat transfer effect are bad, service life is short of existing tubular air preheater.
The utility model is achieved in that a kind of outer glass lining pipe regenerative air heater, and described outer glass lining pipe regenerative air heater comprises: the first tube sheet that vertical direction arranges, and the plate body of described the first tube sheet is provided with some the first through holes; With the second tube sheet that described the first tube sheet is oppositely arranged, on the plate body of described the second tube sheet, corresponding each described first through hole is equipped with the second through hole;
Be arranged on first box plate of described the first tube sheet and described second tube sheet the same side, described the first box plate closely is connected with described the first tube sheet, described the second tube sheet respectively; Be arranged on the second box plate of described the first box plate opposite side, described the second box plate closely is connected with described the first tube sheet, described the second tube sheet respectively;
Between described the first tube sheet and described the second tube sheet, be connected with some preheater tubes, some described preheater tubes all are arranged in the zone that described the first tube sheet, described the second tube sheet, described the first box plate and described the second box plate surround, every described preheater tube passes respectively described first through hole and described second through hole corresponding with it, its two ends are fixedly connected with described the first tube sheet, described the second tube sheet respectively, described preheater tube comprises screw-thread pipe body, and the outer surface coating of described screw-thread pipe body has glassy layer.
As a kind of improvement, the two ends of described preheater tube are connected with described the first tube sheet, described the second Tube-sheet Welding respectively.
As a kind of improvement, some described the first through holes all are arranged to the first shoulder hole, some described the second through holes all are arranged to the second shoulder hole, the small bore end of the small bore end of described the first shoulder hole and described the second shoulder hole is oppositely arranged, every described preheater tube passes respectively described first shoulder hole and described second shoulder hole corresponding with it, and described preheater tube two ends are provided with carbon seal ring respectively and between the large nose end of the large nose end of described the first shoulder hole, described the second shoulder hole.
As a kind of improvement, the thickness of described glassy layer is 0.2mm～0.3mm.
Owing to adopting technique scheme, the beneficial effect that the utility model is obtained is: horizontal setting when this outer glass lining pipe regenerative air heater uses, air passes through in the preheater tube of horizontal direction setting, flue gas passes through from the space between preheater tube and preheater tube, because the outer surface of tube body coating at preheater tube has glassy layer, utilize the characteristic of the acidic materials corrosion such as the anti-sulfuric acid of glass, can solve the sulfur corrosion problem of flue gas, the service life of having improved air preheater; Due to the hardness of the glass hardness higher than steel, after outer surface of tube body coating glassy layer, can greatly improve the abrasion resistance properties of preheater tube; The glassy layer smooth surface, be 20 times of surface of steel, is difficult for the knot ash, and less than the pollution thermal resistivity of common steel tube, the flue gas circulating resistance is little, long-term energy saving in running; Body adopts screwed pipe, and the pipe of same length has larger heat-shift area, has strengthened the heat-exchange capacity with air, improved the pre-thermal efficiency, pre-heating device adopts screwed pipe can dwindle the overall dimensions of heat transmission equipment, reduces material consumption, reduces investment outlay.
The accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the outer glass lining pipe regenerative air heater that provides of the utility model the first embodiment;
Fig. 2 is the plan structure schematic diagram of the outer glass lining pipe regenerative air heater that provides of the utility model the first embodiment;
Fig. 3 is the cross-sectional schematic along A-A line in Fig. 1;
Fig. 4 is the main TV structure schematic diagram of the outer glass lining pipe regenerative air heater that provides of the utility model the second embodiment;
Fig. 5 is the cross-sectional schematic along B-B line in Fig. 4;
Wherein: 1, the first tube sheet, the 2, second tube sheet, 3, preheater tube, the 4, first box plate, the 5, second box plate, 6, glassy layer, 7, solder joint, 8, carbon seal ring.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The first embodiment
As can be known by Fig. 1, Fig. 2 and Fig. 3, this outer glass lining pipe regenerative air heater comprises: the first tube sheet 1 that vertical direction arranges, and the plate body of this first tube sheet 1 is provided with some the first through holes; With the second tube sheet 2 that the first tube sheet 1 is oppositely arranged, on the plate body of this second tube sheet 2, corresponding each first through hole is equipped with the second through hole;
Be arranged on first box plate 4 of the first tube sheet 1 and second tube sheet 2 the same sides, this first box plate 4 closely is connected with the first tube sheet 1, the second tube sheet 2 respectively; Be arranged on the second box plate 5 of the first box plate 4 opposite sides, this second box plate 5 closely is connected with the first tube sheet 1, the second tube sheet 2 respectively;
between the first tube sheet 1 and the second tube sheet 2, be connected with some preheater tubes 3, these some preheater tubes 3 all are arranged on the first tube sheet 1, the second tube sheet 2, in the zone that the first box plate 4 and the second box plate 5 surround, every preheater tube 3 passes respectively first through hole and second through hole corresponding with it, the two ends of this preheater tube 3 respectively with the first tube sheet 1, the second tube sheet 2 is welded to connect, after welding, stay solder joint 7, in this embodiment, this preheater tube 3 comprises screw-thread pipe body, the outer surface coating of this screw-thread pipe body has glassy layer 6, the thickness of glassy layer 6 is 0.2mm～0.3mm.
In the present embodiment, horizontal setting while being somebody's turn to do outer glass lining pipe regenerative air heater use, air passes through in the preheater tube of horizontal direction setting, flue gas passes through from the space between preheater tube and preheater tube, because the outer surface of tube body coating at preheater tube has glassy layer, utilize the characteristic of the acidic materials corrosion such as the anti-sulfuric acid of glass, can solve the sulfur corrosion problem of flue gas, the service life of having improved air preheater; Due to the hardness of the glass hardness higher than steel, after outer surface of tube body coating glassy layer, can greatly improve the abrasion resistance properties of preheater tube; The glassy layer smooth surface, be 20 times of surface of steel, is difficult for the knot ash, and less than the pollution thermal resistivity of common steel tube, the flue gas circulating resistance is little, long-term energy saving in running; Body adopts screwed pipe, and the pipe of same length has larger heat-shift area, has strengthened the heat-exchange capacity with air, improved the pre-thermal efficiency, pre-heating device adopts screwed pipe can dwindle the overall dimensions of heat transmission equipment, reduces material consumption, reduces investment outlay.
The second embodiment
As can be known by Fig. 4 and Fig. 5, the present embodiment and the first embodiment are basic identical, and its difference is:
The first through hole on the plate body of the first tube sheet 1 is arranged to the first shoulder hole, the second through hole on the second tube sheet 2 is arranged to the second shoulder hole, the small bore end of the small bore end of the first shoulder hole and the second shoulder hole is oppositely arranged, every preheater tube 3 passes respectively first shoulder hole and second shoulder hole corresponding with it, and preheater tube 3 two ends are provided with carbon seal ring 8 respectively and between the large nose end of the large nose end of the first shoulder hole, the second shoulder hole.
In the present embodiment, the two ends of preheater tube and the first tube sheet, the second tube sheet adopt the carbon seal ring sealing, and the preheater tube that damages is changed in convenient mounting or dismounting.
The outer glass lining pipe regenerative air heater that the utility model provides comprises: the first tube sheet that vertical direction arranges, and the plate body of this first tube sheet is provided with some the first through holes; With the second tube sheet that the first tube sheet is oppositely arranged, on the plate body of this second tube sheet, corresponding each first through hole is equipped with the second through hole; Be arranged on first box plate of the first tube sheet and second tube sheet the same side, this first box plate closely is connected with the first tube sheet, the second tube sheet respectively; Be arranged on the second box plate of the first box plate opposite side, this second box plate closely is connected with the first tube sheet, the second tube sheet respectively; Between the first tube sheet and the second tube sheet, be connected with some preheater tubes, these some preheater tubes all are arranged in the zone that the first tube sheet, the second tube sheet, the first box plate and the second box plate surround, every preheater tube passes respectively first through hole and second through hole corresponding with it, and the two ends of this preheater tube are fixedly connected with the first tube sheet, the second tube sheet respectively; Horizontal setting while being somebody's turn to do outer glass lining pipe regenerative air heater use, air passes through in the preheater tube of horizontal direction setting, flue gas passes through from the space between preheater tube and preheater tube, because the outer surface of tube body coating at preheater tube has glassy layer, utilize the characteristic of the acidic materials corrosion such as the anti-sulfuric acid of glass, can solve the sulfur corrosion problem of flue gas, the service life of having improved air preheater; Due to the hardness of the glass hardness higher than steel, after outer surface of tube body coating glassy layer, can greatly improve the abrasion resistance properties of preheater tube; The glassy layer smooth surface, be 20 times of surface of steel, is difficult for the knot ash, and less than the pollution thermal resistivity of common steel tube, the flue gas circulating resistance is little, long-term energy saving in running; Body adopts screwed pipe, and the pipe of same length has larger heat-shift area, has strengthened the heat-exchange capacity with air, improved the pre-thermal efficiency, pre-heating device adopts screwed pipe can dwindle the overall dimensions of heat transmission equipment, reduces material consumption, reduces investment outlay.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. outer glass lining pipe regenerative air heater, is characterized in that, described outer glass lining pipe regenerative air heater comprises: the first tube sheet that vertical direction arranges, and the plate body of described the first tube sheet is provided with some the first through holes; With the second tube sheet that described the first tube sheet is oppositely arranged, on the plate body of described the second tube sheet, corresponding each described first through hole is equipped with the second through hole;
Be arranged on first box plate of described the first tube sheet and described second tube sheet the same side, described the first box plate closely is connected with described the first tube sheet, described the second tube sheet respectively; Be arranged on the second box plate of described the first box plate opposite side, described the second box plate closely is connected with described the first tube sheet, described the second tube sheet respectively;
Between described the first tube sheet and described the second tube sheet, be connected with some preheater tubes, some described preheater tubes all are arranged in the zone that described the first tube sheet, described the second tube sheet, described the first box plate and described the second box plate surround, every described preheater tube passes respectively described first through hole and described second through hole corresponding with it, its two ends are fixedly connected with described the first tube sheet, described the second tube sheet respectively, described preheater tube comprises screw-thread pipe body, and the outer surface coating of described screw-thread pipe body has glassy layer.
2. outer glass lining pipe regenerative air heater according to claim 1, is characterized in that, the two ends of described preheater tube are connected with described the first tube sheet, described the second Tube-sheet Welding respectively.
3. outer glass lining pipe regenerative air heater according to claim 1, it is characterized in that, some described the first through holes all are arranged to the first shoulder hole, some described the second through holes all are arranged to the second shoulder hole, the small bore end of the small bore end of described the first shoulder hole and described the second shoulder hole is oppositely arranged, every described preheater tube passes respectively described first shoulder hole and described second shoulder hole corresponding with it, and described preheater tube two ends are provided with carbon seal ring respectively and between the large nose end of the large nose end of described the first shoulder hole, described the second shoulder hole.
4. the described outer glass lining pipe regenerative air heater of according to claim 1 to 3 any one, is characterized in that, the thickness of described glassy layer is 0.2mm～0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202455286U CN203298332U (en) | 2013-05-08 | 2013-05-08 | External glass lining tubular air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202455286U CN203298332U (en) | 2013-05-08 | 2013-05-08 | External glass lining tubular air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203298332U true CN203298332U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202455286U Expired - Fee Related CN203298332U (en) | 2013-05-08 | 2013-05-08 | External glass lining tubular air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203298332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930900A (en) * | 2015-07-09 | 2015-09-23 | 济南屹林科技有限公司 | Copper-chromium-based TGr-titanium film thread pipe type air preheater and pipe film component |
| CN106051804A (en) * | 2016-04-12 | 2016-10-26 | 烟台大学 | Spherical straight special-shaped glass tube low-temperature waste heat recovery device |
-
2013
- 2013-05-08 CN CN2013202455286U patent/CN203298332U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930900A (en) * | 2015-07-09 | 2015-09-23 | 济南屹林科技有限公司 | Copper-chromium-based TGr-titanium film thread pipe type air preheater and pipe film component |
| CN106051804A (en) * | 2016-04-12 | 2016-10-26 | 烟台大学 | Spherical straight special-shaped glass tube low-temperature waste heat recovery device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGZHOU JINHUI HEAT ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: QINGZHOU JINHUI THERMOELECTRIC BOILER PARTS CO., LTD. Effective date: 20141209 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 262500 WEIFANG, SHANDONG PROVINCE TO: 262505 WEIFANG, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141209 Address after: 262505 Shandong city of Weifang province Qingzhou City Economic Development Zone King Mountain Resort Road No. 9167 Patentee after: Qingzhou Jinhui Heat Energy Technology Co., Ltd. Address before: 262500, Shandong Province, Weifang City, Qingzhou Province Shao town Temple Industrial Park Patentee before: Qingzhou Jinhui Thermoelectric Boiler Parts Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20200508 |