CN203615796U - Novel heat pipe air preheater - Google Patents
Novel heat pipe air preheater Download PDFInfo
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- CN203615796U CN203615796U CN201320790787.7U CN201320790787U CN203615796U CN 203615796 U CN203615796 U CN 203615796U CN 201320790787 U CN201320790787 U CN 201320790787U CN 203615796 U CN203615796 U CN 203615796U
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- heat pipe
- hot
- cold
- air
- cold junction
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003546 flue gas Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000007665 sagging Methods 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 4
- 230000004087 circulation Effects 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 11
- 238000007906 compression Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 5
- 238000005192 partition Methods 0.000 abstract 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003517 fume Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000007670 refining Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a novel heat pipe air preheater which comprises a shell, a middle tube plate, a hot flue gas inlet, a cold flue gas outlet, a hot air outlet, a cold air inlet and heat pipes. A hot end partition plate and a cold end tube plate are respectively welded on a shell frame outside a flue gas channel chamber and an air channel chamber, at least two groups of heat pipe limit supports are arranged on the hot end partition plate, at least two groups of heat pipe compression fasteners corresponding to the heat pipe limit supports are arranged on the cold end tube plate, hot ends of the heat pipes are inserted into the shell from the cold end tube plate, penetrate the middle tube plate and are placed on the heat pipe limit supports, sealing elements are arranged among the heat pipes and the middle tube plate, and the heat pipes are fixedly mounted by the heat pipe compression fasteners at cold ends. Air is isolated from permeating flue gas by the aid of the hot end partition plate, the space among the middle tube plate and the heat pipes is sealed by the aid of embedded high temperature resistant O-shaped sealing rings, the cold end tube plate is provided with a rapid heat pipe compression structure, stable operation is ensured, operational cycle is prolonged, and maintenance and repair are facilitated.
Description
Technical field
The utility model relates to the heat transfer energy-saving equipment of gas/gas heat exchange, refers in particular to a kind of new heat pipe air preheater that is applicable to oil refining, chemical industry and other and uses this energy-saving equipment occasion.
Background technology
Along with the maximization of domestic oil refining, chemical enterprise, requirement to energy-saving and emission-reduction is also more and more higher, and refine oil, the energy consumption of heating furnace generally will account for the over half of package unit in chemical plant installations, therefore improve the thermal efficiency of heating furnace, reduce fuel consumption, reduction oil refining, chemical plant installations energy consumption tool are of great significance.It is worthy of note, flue gas loss occupies great ratio in the heat loss of heating furnace.Reducing exhaust gas temperature is one of behave of energy-saving and emission-reduction to reduce heat loss due to exhaust gas, adopts air preheater Mist heat recovering, improves the main method of thermal efficiency of heating furnace, is also the most frequently used method.Wherein heat-pipe air preheater is high with its heat exchange efficiency, volume is little, not in oil refining, chemical industry, metallurgy, be widely used by the advantages such as technological process constraint.
The primary structure of conventional heat-pipe air preheater comprises heat pipe, tube sheet and shell three parts, and three has formed the passage of flue gas and air.Sagging plate separates the evaporator section of heat pipe and condensation segment, also exhaust gases passes (negative pressure) and air duct (malleation) is separated simultaneously.In conventional design, due to poorly sealed close between sagging plate and heat pipe, cause the air side part air fume side of bleeding, actual heat exchange efficiency is reduced greatly; The poorly sealed close air fume side of bleeding that also can cause in fume side tube sheet and bobbin carriage door place.In addition, heat pipe is changed online or cold and hot two ends bobbin carriage door need be opened when checking maintenance, heat pipe could be taken out or pack into respectively in the operation of cold and hot two ends, comparatively wastes time and energy.As can be seen here, opposite heat tube air preheater carries out innovative design, and solution sealing, compression problem seem particularly important.Comprehensive above information, develops a kind of heat exchange efficiency high, long service life, and checking maintenance is convenient, is applicable to oil refining, chemical industry, metallurgical utility model heat-pipe air preheater, and market prospects are wide.
Summary of the invention
The purpose of this utility model is for the defect existing in background technology and problem improvement and bring new ideas in addition, provide one to be adapted to use in oil refining, chemical industry, smelting and heating residual neat recovering system, meet the requirement of heating furnace waste heat recovering energy conserving, and the thermal efficiency is high, long service life, checking maintenance new heat pipe air preheater easily.
The technical solution of the utility model is that structure one comprises housing, by exhaust gases passes, the air duct of the separated relative circulation of sagging plate, correspondence is arranged on hot smoke inlet, the cold flue gas outlet of exhaust gases passes upper and lower end, correspondence is arranged on hot air outlet, the cool air inlet of air duct chamber upper and lower end, with the heat pipe being arranged in housing, wherein:
On exhaust gases passes chamber and air duct outside case frame, be welded with respectively hot junction dividing plate and cold junction tube sheet, wherein on the dividing plate of hot junction, be provided with at least two group heat pipe limited support parts, on cold junction tube sheet, be provided with at least two group heat pipes corresponding with heat pipe limited support part and compress fastener;
Described heat pipe hot junction is inserted in housing by cold junction tube sheet, and is held on heat pipe limited support part through sagging plate, and is provided with seal between heat pipe and sagging plate, and heat pipe compresses fastener by the heat pipe of cold junction and installs fixing.
Advantage of the present utility model and beneficial effect:
The utility model has adopted hot junction dividing plate air-isolation to infiltrate the isolation technology of flue gas, between sagging plate and heat pipe, adopt the Sealing Technology that embeds high temperature resistant O RunddichtringO, cold junction tube sheet adopts heat pipe fast-holding structure technology, effectively completely cut off cold air and infiltrated the flue gas low-temperature dew point corrosion producing to fume side, reduce the ash deposit and slag buildup degree on fume side heat pipe surface, guarantee heat-pipe air preheater quiet run, extend the heat-pipe air preheater cycle of operation, the dismounting of heat pipe while having facilitated checking maintenance, save the checking maintenance time, alleviate labor strength, it is the good heat-pipe air preheater of a kind of energy-saving effect.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the single heat pipe installment state of the utility model structure for amplifying schematic diagram.
Fig. 3 is the utility model support limit part mounting structure schematic diagram.
Fig. 4 is the utility model gripper shoe plan structure schematic diagram.
Fig. 5 is the right TV structure schematic diagram of the utility model limiting plate.
Fig. 6 is that the utility model heat pipe compresses fastener structural representation.
Fig. 7 is the utility model fixed card ring structure schematic diagram.
Fig. 8 is the utility model rotary clip structural representation.
The specific embodiment
From Fig. 1 to 8, the utility model comprises housing 1, by exhaust gases passes, the air duct of sagging plate 5 separated relative circulations, correspondence is arranged on hot smoke inlet 4, the cold flue gas outlet 14 of exhaust gases passes upper and lower end, correspondence is arranged on hot air outlet 6, the cool air inlet 11 of air duct upper and lower end, with the heat pipe 10 being arranged in housing 1, wherein:
Outside exhaust gases passes and air duct, on housing 1 framework, be welded with respectively hot junction dividing plate 2 and cold junction tube sheet 7, wherein on hot junction dividing plate 2, be provided with some heat pipe limited support parts 3, on cold junction tube sheet 7, be provided with the some heat pipes corresponding with heat pipe limited support part 3 and compress fastener 9;
Described heat pipe 10 hot junctions are inserted in housing 1 by cold junction tube sheet 7, and are held on heat pipe limited support part 3 through sagging plate 5, and are provided with seal between heat pipe 10 and sagging plate 5, and heat pipe 10 compresses fastener 9 by the heat pipe of cold junction and installs fixing.
Heat pipe limited support part 3 described in the utility model comprises the gripper shoe 3-1 and the limiting plate 3-2 that are fixed on hot junction dividing plate 2 simultaneously, wherein gripper shoe 3-1 termination is provided with the 12-15mm flanging of downward-sloping 25-30 °, and limiting plate 3-2 termination is provided with the 12-15mm flanging of outward-dipping 25-30 °.Described heat pipe compresses fastener 9 and comprises the fixing snap ring 9-1 being fixed in cold junction tube sheet 7 heat pipe installation position grooves, and is arranged on heat pipe 10 cold junctions, is mounted with the rotary clip 9-2 of heat pipe 10 with fixing snap ring 9-1 rotation; Wherein rotary clip 9-2 periphery is provided with corresponding incline structure buckle face 921, and rotary clip 9-2 surface has dismounting groove 922; On fixing snap ring 9-1, be provided with the buckle slot 911 of assembling corresponding to buckle face 921.The seal arranging between described heat pipe 10 and sagging plate 5 comprises T-shaped intermediate seal ring 13, with the O RunddichtringO 12 that is arranged at T-shaped intermediate seal ring 13 and heat pipe 10 contact positions, wherein the large end of T-shaped intermediate seal ring 13 is installed on air duct chamber end, and T-shaped intermediate seal ring 13 compresses fastener 9 by heat pipe and is fixed sealing.Described housing 1 and heat pipe 10, for being obliquely installed, are provided with on the cold junction housing 1 of heat pipe 10 and can open the more cold junction bobbin carriage 8 of heat exchanger tube.
Design principle of the present utility model:
The utility model has adopted hot junction dividing plate to isolate the technology of cold air infiltration flue gas completely, and between sagging plate and heat pipe, sealing adopts the technology that embeds O RunddichtringO, and cold junction tube sheet adopts heat pipe fast compressing device technology, specific as follows:
1, hot junction dividing plate 2 not perforates, and being set thereon, supports and fixing heat pipe heat pipe support limit part 3, both reduced device fabrication cost, effectively having completely cut off again cold air infiltrates to heat-pipe air preheater fume side, avoid produced flue gas low-temperature dew point corrosion, the ash deposit and slag buildup degree that has reduced fume side heat pipe surface, has extended the heat pipe preheater cycle of operation.Heat pipe support limit part 3 is mainly made up of gripper shoe 3-1, limiting plate 3-2 two parts, is fixed on hot junction dividing plate 2, and gripper shoe 3-1 termination flanging 12-15mm, best gradient is 25-30 °, limiting plate 3-2 termination flanging 12-15mm, best gradient is 25-30 °.
2, the location of heat pipe and compression adopt snap ring-type heat pipe fast compressing device, have reduced fixing link and checking maintenance operation, and while having facilitated maintenance, the dismounting of heat pipe, has saved the time, has improved checking maintenance personnel's labour intensity.Heat pipe compresses fastener 9 and is made up of fixing snap ring 9-1 and rotary clip 9-2 two parts, fixing snap ring 9-1 is fixed on cold junction tube sheet 7, rotary clip 9-2 is fixed on heat pipe cold junction fin outside, its upper and lower buckle face of rotary clip 9-2 is set to inclined plane, rake ratio is 1:1.171, and its left and right, surface has the heat pipe tool special for dismounting groove used of wide 4mm, dark 2mm.
3, heat pipe intermediate seal ring 13 adopts and embeds O RunddichtringO 12 structures, is compressed fastener 9 and compressed O RunddichtringO and play the effect of sealing in the process that penetrates heat pipe by heat pipe; It is applicable to heat pipe inclination angle is 8-90 °, adopts this structure, and the air that can effectively control air side permeates to fume side, guarantees heat-pipe air preheater quiet run.
The utility model structural principle:
The utility model compresses fastener 9, heat pipe 10, cool air inlet 11, O RunddichtringO 12, intermediate seal ring 13, cold flue gas outlet 14 etc. by housing 1, hot junction dividing plate 2, heat pipe support limit part 3, hot smoke inlet 4, sagging plate 5, hot air outlet 6, cold junction tube sheet 7, cold junction bobbin carriage 8, heat pipe and forms.Wherein: hot junction dividing plate 2 is fixedly welded on housing 1 framework, and heat pipe support limit part 3 is fixedly welded on hot junction dividing plate 2, heat pipe support limit part 3 it mainly formed by gripper shoe 3-1, limiting plate 3-2 two parts; Gripper shoe 3-1 termination flanging 12-15mm, best gradient is 25-3 °, limiting plate 3-2 termination flanging 12-15mm, best gradient is 25-30 °, heat pipe guarantees that heat pipe is freely easy for installation while installation, limits termination, heat pipe hot junction simultaneously and swings and sink.Heat pipe compresses fastener 9, and it is mainly made up of fixing snap ring 9-1 and rotary clip 9-2 two parts; Fixing snap ring 9 is fixed in the groove of cold junction tube sheet 2mm, and rotary clip 9-2 is fixed on heat pipe cold junction fin outside, and its upper and lower buckle face of rotary clip 9-2 is designed to inclined plane, and rake ratio is 1:1.171.After heat pipe is in place, only need be by heat pipe cold junction termination to counterclockwise rotation gently, fixing snap ring 9-1 and rotary clip 9-2 compress at once; Only need be by heat pipe cold junction termination to rotation gently clockwise when heat pipe dismounting, fixing snap ring 9-1 and rotary clip 9-2 unclamp at once.Than spring attachment, the dismounting of heat pipe while having facilitated checking maintenance, has saved to manufacture and has installed and the checking maintenance time, has alleviated labor strength.In seal, T-shaped intermediate seal ring 13 adopts and embeds high temperature resistant O RunddichtringO 12 structures, is compressed fastener 9 and compressed O RunddichtringO and play the effect of sealing in the process that penetrates heat pipe by heat pipe; Adopt this structure, the air that can effectively control air side permeates to fume side, has guaranteed heat-pipe air preheater quiet run, has extended the heat-pipe air preheater cycle of operation.It is applicable to heat pipe inclination angle is 8-90 ° of setting.
Embodiment described in the utility model is only the description that preferred embodiment of the present utility model is carried out; not the utility model design and scope are limited; do not departing under the prerequisite of the utility model design philosophy; various modification and improvement that in this area, engineers and technicians make the technical solution of the utility model; all should fall into protection domain of the present utility model; the technology contents of the utility model request protection, has all been documented in claims.
Claims (5)
1. a new heat pipe air preheater, comprise housing (1), by the exhaust gases passes chamber of the separated relative circulation of sagging plate (5), air duct chamber, correspondence is arranged on exhaust gases passes chamber, the hot smoke inlet (4) of lower end, cold flue gas outlet (14), correspondence is arranged on air duct chamber, the hot air outlet (6) of lower end, cool air inlet (11), with the heat pipe (10) being arranged in housing (1), it is characterized in that: on exhaust gases passes chamber and air duct outside housing (1) framework, be welded with respectively hot junction dividing plate (2) and cold junction tube sheet (7), wherein on hot junction dividing plate (2), be provided with at least two group heat pipe limited support parts (3), on cold junction tube sheet (7), be provided with at least two group heat pipes corresponding with heat pipe limited support part (3) and compress fastener (9),
Described heat pipe (10) hot junction is inserted in housing (1) by cold junction tube sheet (7), and be held on heat pipe limited support part (3) through sagging plate (5), and between heat pipe (10) and sagging plate (5), be provided with seal, heat pipe (10) compresses fastener (9) by the heat pipe of cold junction and installs fixing.
2. new heat pipe air preheater according to claim 1, it is characterized in that described heat pipe limited support part (3) comprises the gripper shoe (3-1) and the limiting plate (3-2) that are fixed on hot junction dividing plate (2) simultaneously, wherein gripper shoe (3-1) termination is provided with the 12-15mm flanging of downward-sloping 25-30 °, and limiting plate (3-2) termination is provided with the 12-15mm flanging of outward-dipping 25-30 °.
3. new heat pipe air preheater according to claim 1, it is characterized in that described heat pipe compresses fastener (9) and comprises the fixing snap ring (9-1) being fixed in the groove of cold junction tube sheet (7) heat pipe installation position, and be arranged on heat pipe (10) cold junction, be mounted with the rotary clip (9-2) of heat pipe (10) with fixing snap ring (9-1) rotation; Wherein rotary clip (9-2) periphery is provided with corresponding incline structure buckle face (921), and rotary clip (9-2) surface has dismounting groove (922); On fixing snap ring (9-1), be provided with the buckle slot (911) with the corresponding assembling of buckle face (921).
4. new heat pipe air preheater according to claim 1, it is characterized in that the seal arranging between described heat pipe (10) and sagging plate (5) comprises T-shaped intermediate seal ring (13), with the O RunddichtringO (12) that is arranged at T-shaped intermediate seal ring (13) and heat pipe (10) contact position, wherein the large end of T-shaped intermediate seal ring (13) is installed on air duct chamber end, and T-shaped intermediate seal ring (13) compresses fastener (9) by heat pipe and is fixed sealing.
5. new heat pipe air preheater according to claim 1, is characterized in that described housing (1) and heat pipe (10), for being obliquely installed, are provided with on the cold junction housing (1) of heat pipe (10) and can open the more cold junction bobbin carriage (8) of heat exchanger tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320790787.7U CN203615796U (en) | 2013-12-05 | 2013-12-05 | Novel heat pipe air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320790787.7U CN203615796U (en) | 2013-12-05 | 2013-12-05 | Novel heat pipe air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203615796U true CN203615796U (en) | 2014-05-28 |
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ID=50768432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320790787.7U Expired - Fee Related CN203615796U (en) | 2013-12-05 | 2013-12-05 | Novel heat pipe air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203615796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277029A (en) * | 2015-11-26 | 2016-01-27 | 烟台创元热能科技有限公司 | Heat pipe type smoke reheater |
| CN105823369A (en) * | 2016-05-14 | 2016-08-03 | 江阴中绿化纤工艺技术有限公司 | Bin partition sealing device of heat pipe heat exchanger |
-
2013
- 2013-12-05 CN CN201320790787.7U patent/CN203615796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277029A (en) * | 2015-11-26 | 2016-01-27 | 烟台创元热能科技有限公司 | Heat pipe type smoke reheater |
| CN105823369A (en) * | 2016-05-14 | 2016-08-03 | 江阴中绿化纤工艺技术有限公司 | Bin partition sealing device of heat pipe heat exchanger |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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