CN201779686U - Inorganic heat pipe air preheater - Google Patents
Inorganic heat pipe air preheater Download PDFInfo
- Publication number
- CN201779686U CN201779686U CN2010205032858U CN201020503285U CN201779686U CN 201779686 U CN201779686 U CN 201779686U CN 2010205032858 U CN2010205032858 U CN 2010205032858U CN 201020503285 U CN201020503285 U CN 201020503285U CN 201779686 U CN201779686 U CN 201779686U
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- China
- Prior art keywords
- pipe
- inorganic heat
- heat pipe
- outer tube
- air preheater
- 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 - Lifetime
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- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 abstract description 3
- 239000004753 textile Substances 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 12
- 239000003546 flue gas Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 5
- 239000003517 fume Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 4
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 description 3
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 3
- 229910052810 boron oxide Inorganic materials 0.000 description 3
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 3
- 229940077449 dichromate ion Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001040 Beta-titanium Inorganic materials 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- RMISVBXFFXBNAD-UHFFFAOYSA-N calcium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium Chemical compound [Ca+2].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O RMISVBXFFXBNAD-UHFFFAOYSA-N 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- SJLOMQIUPFZJAN-UHFFFAOYSA-N oxorhodium Chemical compound [Rh]=O SJLOMQIUPFZJAN-UHFFFAOYSA-N 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 229910003450 rhodium oxide Inorganic materials 0.000 description 2
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 2
- NVKTUNLPFJHLCG-UHFFFAOYSA-N strontium chromate Chemical compound [Sr+2].[O-][Cr]([O-])(=O)=O NVKTUNLPFJHLCG-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical compound OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 description 1
- PLEZGBHMSVTPPQ-UHFFFAOYSA-N [O-2].[Ra+2] Chemical compound [O-2].[Ra+2] PLEZGBHMSVTPPQ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229960004643 cupric oxide Drugs 0.000 description 1
- FCSCTLGIPUOGOC-UHFFFAOYSA-N disilver;oxido-(oxido(dioxo)chromio)oxy-dioxochromium Chemical compound [Ag+].[Ag+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O FCSCTLGIPUOGOC-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- YFDWDAIVRZETEB-UHFFFAOYSA-L hydroxy-(hydroxy(dioxo)chromio)oxy-dioxochromium manganese Chemical compound [Mn].[Cr](=O)(=O)(O)O[Cr](=O)(=O)O YFDWDAIVRZETEB-UHFFFAOYSA-L 0.000 description 1
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 description 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 229910000018 strontium carbonate Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Air Supply (AREA)
Abstract
The utility model discloses an inorganic heat pipe air preheater, aiming to solve the problems that the welded connection between the middle part of an inorganic heat pipe and a clapboard in a traditional inorganic heat pipe air preheater is relatively difficult. The inorganic heat pipe air preheater is provided with a tank body in which an inorganic heat pipe is arranged. The inorganic heat pipe is provided with an inner pipe (1) and an outer pipe (2); an annular space is formed between the outer surface of the inner pipe and the inner surface of the outer pipe; and a working medium is arranged inside the annular space. The working medium is an inorganic heat transfer medium and comprises a corrosion resistant layer, an active layer and heat-conducting medium powder. A front clapboard (12) and a rear clapboard (13) are respectively arranged inside the tank body and near an air inlet (8) and an air outlet (9). Two ends of the outer pipe in the inorganic heat pipe are respectively connected with the front clapboard and the rear clapboard, and two ends of the inner pipe are respectively communicated with the air inlet and the air outlet. The utility model can be used in the course of high-temperature smoke waste heat recovery of heating furnaces in the industries, such as petroleum and petrochemical industry, heat energy and power industry, steel industry, light textile industry and the like.
Description
Technical field
The utility model relates to a kind of air preheater, especially relates to the used a kind of inorganic heat-pipe air preheater of waste heat of flue gas of heating furnace removal process.
Background technology
In industries such as petroleum and petrochemical industry, heat energy electric power, iron and steel and light textile, the high-temperature flue gas heat recovery of heating furnace is the important channel that reduces system energy consumption.Multiple waste-heat recovery device is arranged at present, and inorganic heat-pipe air preheater is wherein important a kind of; It can demonstrate powerful advantage on the raising system thermal efficiency.A kind of inorganic heat conducting heat-pipe air preheater that Chinese patent CN1312457A introduces is provided with inorganic heat pipe and dividing plate in casing.Dividing plate is divided into air side cavity and fume side cavity with box house; The air side cavity is provided with air intake, air outlet slit, and the fume side cavity is provided with smoke inlet and exhanst gas outlet.Dividing plate links to each other with the middle part of inorganic heat pipe, and inorganic heat pipe is divided into two sections, and two sections lay respectively in air side cavity and the fume side cavity.Industrial used inorganic heat-pipe air preheater substantially all adopts this structure at present.But the inorganic heat pipe of the existing conventionally form of employing, inorganic heat pipe middle part generally will be welded to connect with dividing plate, and relatively difficulty, and connection part is easy to leak.At the air intake position, inorganic heat pipe causes leakage being easy to take place dew point corrosion with the part that is connected of dividing plate in addition.
Summary of the invention
The purpose of this utility model provides a kind of inorganic heat-pipe air preheater, solving being welded to connect the comparison difficulty, being connected part and being easy to leak of the existing inorganic heat pipe of existing inorganic heat-pipe air preheater middle part and dividing plate, and with the part that is connected of dividing plate problems such as dew point corrosion are taking place easily at the inorganic heat pipe in air intake position.
For addressing the above problem, the technical solution adopted in the utility model is: a kind of inorganic heat-pipe air preheater, be provided with casing, casing is provided with air intake, air outlet slit, smoke inlet and exhanst gas outlet, be provided with inorganic heat pipe in the casing, be provided with working medium in the inorganic heat pipe, it is characterized in that: pipe and outer tube in described inorganic heat pipe is provided with, interior pipe is located in the outer tube, form annular space between the outer surface of interior pipe and the inner surface of outer tube, the closed at both ends of annular space, the working medium of inorganic heat pipe is located in the annular space, working medium is the inorganic heat transfer medium, by anticorrosive coat, active layer and heat-conducting medium powder constituent, anticorrosive coat and active layer set gradually from the outer surface of interior pipe and the inner surface of outer tube respectively, pipe was gone up between the inner surface of active layer on the outer surface of active layer and the outer tube in the formed annular space in the heat-conducting medium powder was located at, be respectively equipped with preceding dividing plate and rear bulkhead near air intake and air outlet slit in the casing of described inorganic heat-pipe air preheater, the two ends of inorganic heat pipe middle external tube link to each other with rear bulkhead with preceding dividing plate respectively, and the two ends of interior pipe communicate with air intake and air outlet slit respectively.
Adopt the utility model, have following beneficial effect: the inorganic heat-pipe air preheater of (1) the utility model, do not use dividing plate that box house is divided into air side cavity and fume side cavity.The outer surface of the whole outer tube of inorganic heat pipe between preceding dividing plate and rear bulkhead all is in the exhaust gases passes.Because inorganic heat pipe middle part is not welded to connect with dividing plate, so do not have the welding difficult problem and connect the problem that part is easy to leak.The two ends of inorganic heat pipe middle external tube link to each other with rear bulkhead with preceding dividing plate respectively, are easier to weld at this position ratio, and difficult the leakage guarantees flue gas and air are isolated fully.(2) the used inorganic heat pipe of the utility model is the inorganic heat pipe of a kind of jacket type.In the operating process of air preheater, air enters from an end of interior pipe, flows out from the other end.The outer surface of outer tube contacts with high-temperature flue gas, absorbs the heat of high-temperature flue gas, the inorganic heat transfer medium in the formed annular space between the inner surface of the outer surface of pipe and outer tube in passing to.The inorganic heat transfer medium does not have phase-change heat transfer, utilizes the effect of inorganic elements molecule concussion, friction, heat is excited fast, and be wavy and promptly be delivered to interior pipe by outer tube, and interior pipe will manage interior air heat again.In the flue gas flow field in exhaust gases passes, the whole equal temperature characteristics of the inorganic heat pipe of the utility model is good, its outer tube outer surface temperature basically identical vertically.So at the air intake position, the end that the outer tube in the inorganic heat pipe links to each other with preceding dividing plate can not form local cold-zone makes temperature low excessively, be not easy to take place dew point corrosion and cause leakage in the connection part.(3) the used inorganic heat pipe of the utility model has wide, difficult high temperature booster, the security reliability advantages of higher of producing of heat transfer efficiency height, operating temperature range that existing inorganic heat pipe is had simultaneously.Inorganic heat-pipe air preheater of the present utility model, have on the whole be easy to make, characteristics such as dew-point corrosion resistant is good, be difficult for leaking, fume afterheat utilization rate height, security reliability height, compact conformation.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.The drawings and specific embodiments do not limit the claimed scope of the utility model.
Description of drawings
Fig. 1 is the cutaway view of the inorganic heat-pipe air preheater of the utility model.
Fig. 2 is the amplification view of the used single inorganic heat pipe of the inorganic heat-pipe air preheater of the utility model.
Among Fig. 1 to Fig. 2, same reference numerals is represented identical technical characterictic.
The specific embodiment
Referring to inorganic heat-pipe air preheater of the present utility model shown in Figure 1 (abbreviating air preheater as).It is provided with casing, and casing is provided with air intake 8, air outlet slit 9, smoke inlet 10 and exhanst gas outlet 11.Casing is welded by channel-section steel and steel plate usually.Be provided with many inorganic heat pipes in the casing, be provided with working medium in the inorganic heat pipe.
Referring to Fig. 2 and Fig. 1, pipe 1 and outer tube 2 in described inorganic heat pipe is provided with, interior pipe 1 is located in the outer tube 2.Form annular space, the closed at both ends of annular space between the outer surface of interior pipe 1 and the inner surface of outer tube 2.Shown in Figure 2, be end cap 3 to be set respectively, with the closed at both ends of this annular space at the two ends of annular space.The working medium of inorganic heat pipe is located in the annular space; Working medium is the inorganic heat transfer medium, is made up of anticorrosive coat 5, active layer 6 and heat-conducting medium powder 7.Anticorrosive coat 5 and active layer 6 set gradually from the outer surface of interior pipe 1 and the inner surface of outer tube 2 respectively, (the inorganic heat pipe of the utility model was when work, and 7 dispersions of heat-conducting medium powder also riddle this annular space in the formed annular space between the inner surface of active layer 6 on outer surface and the outer tube 2 of active layer 6 on the pipe 1 in heat-conducting medium powder 7 was located at; Fig. 2 draws heat-conducting medium powder 7 by this state).
Referring to Fig. 1, be respectively equipped with preceding dividing plate 12 and rear bulkhead 13 near air intake 8 and air outlet slit 9 in the casing of the inorganic heat-pipe air preheater of the utility model.The two ends of inorganic heat pipe middle external tube 2 link to each other with rear bulkhead 13 with preceding dividing plate 12 respectively, and general the employing is welded to connect.The two ends of interior pipe 1 communicate with air intake 8 and air outlet slit 9 respectively.On preceding dividing plate 12 and rear bulkhead 13, inorganic heat pipe adopts equilateral triangle to arrange usually.
Inside-the air outlet slit 9 of pipe 1 in the inorganic heat pipe of air intake 8-, the air duct of composition air preheater; Space-exhanst gas outlet 11 before in the smoke inlet 10-casing between dividing plate 12 and the rear bulkhead 13, the exhaust gases passes of composition air preheater.
Referring to Fig. 2, in the used inorganic heat pipe of the utility model, the inner surface of the outer surface of pipe 1 and outer tube 2 formed oxide in anticorrosive coat 5 can prevent, the material production hydrogen-oxygen element of pipe 1 and outer tube 2 in active layer 6 can prevent, and heat-conducting medium powder 7 has good heat absorption, heat-transfer character.The thickness of anticorrosive coat 5 and active layer 6 generally is 0.008~0.012 millimeter, and the consumption of heat-conducting medium powder 7 is a trace.
The material of anticorrosive coat 5 is generally a kind of among sodium peroxide, sodium oxide molybdena, beryllium oxide, boron oxide, sesquialter manganese oxide, aluminium bichromate, calcium bichromate, the dichromate ion or the mixture of more than one compositions.
The material of active layer 6, be generally a kind of among cobalt oxide, sesquialter manganese oxide, beryllium oxide, rhodium oxide, cupric oxide, boron oxide, β-titanium, strontium chromate, strontium carbonate, potassium bichromate, calcium bichromate, dichromic acid manganese, aluminium bichromate, the dichromate ion or the mixture of more than one compositions.
The material of heat-conducting medium powder 7 is generally a kind of among sex change rhodium oxide, sex change radium oxide, sodium peroxide, beryllium oxide, boron oxide, potassium bichromate, sodium dichromate, silver dichromate, strontium chromate, monocrystalline silicon, β-titanium, the dichromate ion or the mixture of more than one compositions.
The material of anticorrosive coat 5, active layer 6 and heat-conducting medium powder 7 is inorganic heat transfer media that existing inorganic heat pipe is used always.
The manufacture process of Fig. 2 and the inorganic heat pipe of the utility model shown in Figure 1 is as follows.At first the outer surface of interior pipe 1 and the inner surface of outer tube 2 are carried out surface treatment, interior pipe 1 is set in the outer tube 2.Afterwards, weld upper end cover 3 respectively, with the closed at both ends of formed annular space between the inner surface of the outer surface of interior pipe 1 and outer tube 2 at the two ends of interior pipe 1 and outer tube 2.End cap 3 is an annular, and its centre bore is corresponding with the pore of interior pipe 1.The tube wall of outer tube 2 is provided with perforate.
Material difference wiring solution-forming with anticorrosive coat 5 and active layer 6.Formed annular space between the inner surface of the outer surface of pipe 1 and outer tube 2 in earlier the perforate of solution on outer tube 2 tube walls of anticorrosive coat 5 materials being injected, and pipe 1 and outer tube 2 in the whole rotation, make the solution of anticorrosive coat 5 materials be distributed on the inner surface of the outer surface of pipe 1 and outer tube 2; Treat that this solution forms after the film, promptly forms anticorrosive coat 5.Then, manage formed annular space between the inner surface of anticorrosive coat 5 on the outer surface of anticorrosive coat 5 on 1 and the outer tube 2 in again the perforate on outer tube 2 tube walls of the solution of active layer 6 materials being injected, and pipe 1 and outer tube 2 in the whole rotation, make the solution of active layer 6 materials be distributed on the pipe 1 on the outer surface of anticorrosive coat 5 and the outer tube 2 on the inner surface of anticorrosive coat 5; Treat that this solution forms after the film, promptly forms active layer 6.At last, in the perforate of heat-conducting medium powder 7 on outer tube 2 tube walls of trace packed on the pipe 1 on the outer surface of active layer 6 and the outer tube 2 between the inner surface of active layer 6 in the formed annular space, then the perforate on outer tube 2 tube walls vacuumizes this annular space, and with plug 4 with the obstruction of the perforate on outer tube 2 tube walls, with seal welding between this perforate and the plug 4.So far, just finished the manufacturing of the inorganic heat pipe of the utility model.
The length of interior pipe 1 and outer tube 2 preferably equates, is convenient to like this weld between its two ends and the end cap 3, as Fig. 2 and shown in Figure 1.
Referring to Fig. 2 and Fig. 1, be the augmentation of heat transfer effect, inorganic heat pipe preferably is provided with fin (for example helical fin) on the outer surface of outer tube 2.Flow-disturbing thing (figure slightly) also can be set in the interior pipe 1.
The operating process of the inorganic heat-pipe air preheater of the utility model is described below in conjunction with Fig. 1.Air enters air preheater through air intake 8, pipe 1 in one end of interior pipe 1 enters from inorganic heat pipe.Flue gas enters air preheater through smoke inlet 10, flows the inorganic heat pipe of each root of flowing through in exhaust gases passes.The outer surface of inorganic heat pipe middle external tube 2 and fin contact with high-temperature flue gas, absorb the heat of high-temperature flue gas, the inorganic heat transfer medium in the formed annular space between the inner surface of the outer surface of pipe 1 and outer tube 2 in passing to.The inorganic heat transfer medium does not have phase-change heat transfer, utilizes the effect of inorganic elements molecule concussion, friction, heat is excited fast, and be wavy promptly be delivered to by outer tube 2 in pipe 1, interior pipe 1 will manage interior air heat again.In the diabatic process, the inorganic heat pipe of the utility model presents thermal resistance and levels off to zero characteristic.Air after the preheating flows out from the other end of interior pipe 1, flows out air preheater through air outlet slit 9.Flue gas after the release heat flows out air preheater through exhanst gas outlet 11.
Inorganic heat-pipe air preheater shown in Figure 1, inorganic heat pipe are the single tube journey.According to actual needs, inorganic heat pipe can also be designed to multitube journey structure, allows air repeatedly pass through exhaust gases passes and flue gas heat exchange in interior pipe 1.Describe in detail and the accompanying drawing omission.
The utility model can be used for the high-temperature flue gas waste heat recovery process of heating furnace in the industries such as petroleum and petrochemical industry, heat energy electric power, iron and steel and light textile.
Claims (2)
1. inorganic heat-pipe air preheater, be provided with casing, casing is provided with air intake (8), air outlet slit (9), smoke inlet (10) and exhanst gas outlet (11), be provided with inorganic heat pipe in the casing, be provided with working medium in the inorganic heat pipe, it is characterized in that: described inorganic heat pipe is provided with interior pipe (1) and outer tube (2), interior pipe (1) is located in the outer tube (2), form annular space between the outer surface of interior pipe (1) and the inner surface of outer tube (2), the closed at both ends of annular space, the working medium of inorganic heat pipe is located in the annular space, working medium is the inorganic heat transfer medium, by anticorrosive coat (5), active layer (6) and heat-conducting medium powder (7) are formed, anticorrosive coat (5) and active layer (6) set gradually from the outer surface of interior pipe (1) and the inner surface of outer tube (2) respectively, heat-conducting medium powder (7) is located between the inner surface of active layer (6) on outer surface that interior pipe (1) goes up active layer (6) and the outer tube (2) in the formed annular space, be respectively equipped with preceding dividing plate (12) and rear bulkhead (13) near air intake (8) and air outlet slit (9) in the casing of described inorganic heat-pipe air preheater, the two ends of inorganic heat pipe middle external tube (2) link to each other with rear bulkhead (13) with preceding dividing plate (12) respectively, and the two ends of interior pipe (1) communicate with air intake (8) and air outlet slit (9) respectively.
2. inorganic heat-pipe air preheater according to claim 1 is characterized in that: inorganic heat pipe is provided with fin on the outer surface of outer tube (2).
Priority Applications (1)
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CN2010205032858U CN201779686U (en) | 2010-08-21 | 2010-08-21 | Inorganic heat pipe air preheater |
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CN2010205032858U CN201779686U (en) | 2010-08-21 | 2010-08-21 | Inorganic heat pipe air preheater |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102607298A (en) * | 2012-03-15 | 2012-07-25 | 王永刚 | Heat exchanger with fins and assembling method thereof |
CN102818389A (en) * | 2012-08-30 | 2012-12-12 | 裴登明 | Method and device for cooling high-temperature waste gas and recovering waste heat |
CN102839513A (en) * | 2011-06-23 | 2012-12-26 | 宁波福威克节能工业技术有限公司 | Heat pipe-type heating apparatus |
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 |
CN106197089A (en) * | 2016-08-29 | 2016-12-07 | 江苏世能化工设备有限公司 | A kind of sulphuric acid flue gas waste heat recoverer |
CN107702128A (en) * | 2017-09-30 | 2018-02-16 | 洛阳明远石化技术有限公司 | Gas heat exchanger |
CN110806135A (en) * | 2019-10-22 | 2020-02-18 | 德清金烨电力科技有限公司 | Composite heat conduction pipe containing low-melting-point metal and production method thereof |
CN110849202A (en) * | 2019-10-22 | 2020-02-28 | 德清金烨电力科技有限公司 | Composite heat conduction pipe containing modified heat conduction liquid and production method thereof |
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2010
- 2010-08-21 CN CN2010205032858U patent/CN201779686U/en not_active Expired - Lifetime
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102839513A (en) * | 2011-06-23 | 2012-12-26 | 宁波福威克节能工业技术有限公司 | Heat pipe-type heating apparatus |
CN102839513B (en) * | 2011-06-23 | 2014-07-16 | 宁波福威克节能工业技术有限公司 | Heat pipe-type heating apparatus |
CN102607298A (en) * | 2012-03-15 | 2012-07-25 | 王永刚 | Heat exchanger with fins and assembling method thereof |
CN102818389A (en) * | 2012-08-30 | 2012-12-12 | 裴登明 | Method and device for cooling high-temperature waste gas and recovering waste heat |
CN102818389B (en) * | 2012-08-30 | 2014-07-09 | 裴登明 | Method and device for cooling high-temperature waste gas and recovering waste heat |
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 |
CN106197089A (en) * | 2016-08-29 | 2016-12-07 | 江苏世能化工设备有限公司 | A kind of sulphuric acid flue gas waste heat recoverer |
CN107702128A (en) * | 2017-09-30 | 2018-02-16 | 洛阳明远石化技术有限公司 | Gas heat exchanger |
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CN110849202A (en) * | 2019-10-22 | 2020-02-28 | 德清金烨电力科技有限公司 | Composite heat conduction pipe containing modified heat conduction liquid and production method thereof |
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