CN206274229U - A kind of New enamel formula radial heat exchanger - Google Patents

A kind of New enamel formula radial heat exchanger Download PDF

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Publication number
CN206274229U
CN206274229U CN201621395260.4U CN201621395260U CN206274229U CN 206274229 U CN206274229 U CN 206274229U CN 201621395260 U CN201621395260 U CN 201621395260U CN 206274229 U CN206274229 U CN 206274229U
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China
Prior art keywords
heat exchanger
tube
housing
heat
radial heat
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CN201621395260.4U
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Chinese (zh)
Inventor
潘兆君
张坤
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SHANDONG HENGTAO ENERGY-SAVING ENVIRONMENT PROTECTION Co Ltd
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SHANDONG HENGTAO ENERGY-SAVING ENVIRONMENT PROTECTION Co Ltd
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Abstract

The utility model discloses a kind of New enamel formula radial heat exchanger, belong to technical field of heat exchangers, including housing and heat exchanger tube, heat exchanger tube is fixedly mounted on enclosure interior, housing is provided with smoke inlet and outlet flue, and housing is sequentially provided with internal tube plate, heat-insulation layer and outer tube plate from inside to outside;The outer surface of heat exchanger tube is provided with enamel layer, heat exchanger tube one end is connected with into water header through housing, and the other end is connected with water outlet header through housing, and heat exchanger tube includes some radial heat pipes arranged in parallel, bend pipe connection is provided between adjacent radial heat pipe, bend pipe is fixedly mounted on housing;Radial heat pipe includes base tube and sleeve pipe, and on base tube, sleeve pipe two ends are provided with shrouding to casing pipe sleeve, and shrouding is fixedly mounted on base tube, and base tube outer surface, internal surface of casing and shrouding constitute a sealing space, and heat-transfer working medium is provided with sealing space;Enamel layer had both reduced the circulating resistance of flue gas, and dust stratification is difficult again causes obstruction, can greatly extend the service life of radial heat exchanger.

Description

A kind of New enamel formula radial heat exchanger
Technical field
The utility model is related to technical field of heat exchangers, and in particular to a kind of New enamel formula radial heat exchanger.
Background technology
Cryogenic heat exchanger is commonly used typical process equipment in the industry such as chemical industry, petroleum refining industry, medicine, metallurgy, and Industrial Boiler discharge low-temperature flue gas waste heat resource quantity is huge, the transmission of heat is carried out with it, to reach energy-conservation, consumption reduction, emission reduction Etc. purpose.
Since the sixties, in order to adapt to heat exchange and energy-conservation under high-temperature and high-pressure conditions the need for, typical shell-and-tube is changed Hot device is further developed.The mid-1970s, for augmentation of heat transfer, investigated again on the basis of research and development heat pipe Heat-pipe heat exchanger.The extensive attention of people is caused due to energy resource consumption in recent years, energy prices are gradually increasing, circulation and stress Recycling starts to be rooted in the hearts of the people, and Waste Heat Recovery is more and more attractive in factory.By the use of heat exchanger, the useless of generation is reclaimed Heat realizes energy-conservation, consumption reduction, emission reduction, has far-reaching significance for national development.The optimization design of heat exchanging device, improves heat exchange simultaneously The operating efficiency of device, reduce because work and caused by energy waste, be also the most important thing of optimization design.
Radial heat exchanger not only has that heat transfer efficiency is high, the pressure loss is small, compact conformation and high reliability, But also can effectively solve the problem that the low-temperature dew point corrosion problem of traditional heat exchangers generally existing, but the heat exchange of Industrial Boiler afterbody Device, typically containing water vapour and sulfuric acid, the low-temperature flue gas region of ammonia vapor, condition of work is more severe, this heat exchanger There are problems that it is stifled ash, abrasion, long-play can cause heat exchanger blocking, seriously corroded, add back-end ductwork resistance Greatly, abrasion aggravation, so that the performance of heat exchange of heat pipe cannot be played well, causes energy waste.
The content of the invention
For a kind of New enamel formula footpath that the problems of cryogenic heat exchanger in the prior art, the utility model are provided To heat exchange of heat pipe, wear-resistant, low temperature resistant burn into does not easily cause heat exchanger obstruction.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of New enamel formula radial heat exchanger, including housing and heat exchanger tube, the heat exchanger tube are fixedly mounted on institute Enclosure interior is stated, the housing is provided with smoke inlet and outlet flue, and the housing is sequentially provided with internal tube plate, heat-insulation layer from inside to outside And outer tube plate;
The outer surface of the heat exchanger tube is provided with enamel layer, and described heat exchanger tube one end is connected with into water header through the housing, The heat exchanger tube other end is connected with water outlet header through the housing, and the heat exchanger tube includes some radial direction heat arranged in parallel Pipe, is provided with bend pipe connection between two adjacent radial heat pipes, the bend pipe fixed installation is on the housing;
The radial heat pipe includes base tube and sleeve pipe, and described sleeve pipe is sleeved on the base tube, and described sleeve pipe two ends are provided with Shrouding, the shrouding is fixedly mounted on the base tube, and the base tube outer surface, internal surface of casing and shrouding constitute a sealing Space, heat-transfer working medium is provided with the sealing space.
Preferably, the enamel layer thickness is 0.2-1.5mm, and enamel layer is very thin, is tightly combined with carbon steel, to heat-transfer effect Influence very little.
Preferably, the base tube and sleeve pipe are set to arranged off-centre, heat-transfer working medium is more concentrated, beneficial to the gas-liquid of heat-transfer working medium Phase transformation, is conducive to improving heat exchange efficiency.
Preferably, described sleeve pipe outer surface is provided with fin, and the fin is welded to connect in described sleeve pipe, increases and cigarette The contact area of gas, improves heat transfer efficiency.
Preferably, the shell inner surface is provided with groove, facilitates the bend pipe to fixedly mount.
Preferably, the sealing space is set to vacuum state, facilitates the heat exchange of the sealing space transfer working medium in heat, keeps away Exempt from thermal loss.
Preferably, the housing is steel construction piece, is that exhaust gases passes and the heat exchanger tube provide support.
The beneficial effects of the utility model show:
1st, enamel layer smooth in the utility model not only reduces the circulating resistance of flue gas, and it is attached not easily cause dust , do not easily cause because blocking caused by dust stratification, it is most important that enamel layer is corrosion-resistant and wear resistance is extremely strong, can be significantly Extension radial heat exchanger service life, it is ensured that product makes it be always maintained at an efficient state to run, while covering Pipe wear-out failure will not also cause two kinds of the mutual of heat exchanging fluid to mix.
2nd, the utility model structure is novel, and heat-insulation layer is added in housing, scattering and disappearing for heat can be effectively prevented, in sealing space Filling heat-transfer working medium, gas-liquid phase transition is accelerated, and improves heat exchanger heat-transfer performance, the heat exchanger of this structure not only heat exchange efficiency improve and Security reliability is also greatly increased, and reduces blowing out number of times.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of New enamel formula radial heat exchanger of the utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is a kind of structural representation of the radial heat pipe of New enamel formula radial heat exchanger of the utility model;
Fig. 4 is a kind of sectional view of the radial heat pipe of New enamel formula radial heat exchanger of the utility model.
In figure:1- outlet flues, 2- smoke inlets, 3- housings, 4- heat exchanger tubes, 5- water outlets header, 6- water inlet header, 7- bend pipes, 8- radial heat pipes, 9- sealing spaces, 31- internal tube plates, 32- heat-insulation layers, 33- outer tube plates, 81- base tubes, 82- sleeve pipes, 83- fins, 84- shroudings.
Specific embodiment
For the ease of it will be appreciated by those skilled in the art that being further described to the utility model below in conjunction with the accompanying drawings.
A kind of New enamel formula radial heat exchanger as Figure 1-4, including housing 3 and heat exchanger tube 4, the heat exchange Pipe 4 is fixedly mounted on inside the housing 3, and the housing 3 is provided with smoke inlet 2 and outlet flue 1, and the housing 3 is from inside to outside It is sequentially provided with internal tube plate 31, heat-insulation layer 32 and outer tube plate 33;
The outer surface of the heat exchanger tube 4 is provided with enamel layer, and the one end of the heat exchanger tube 4 is connected with into Shui Ji through the housing 3 Case 6, the other end of the heat exchanger tube 4 is connected with water outlet header 5 through the housing 3, and the heat exchanger tube 4 is arranged in parallel including some Radial heat pipe 8, be provided with bend pipe 7 between two adjacent radial heat pipes 8 and connect, the bend pipe 7 is fixedly mounted on described On housing 3;
The radial heat pipe 8 includes base tube 81 and sleeve pipe 82, and described sleeve pipe 82 is sleeved on the base tube 81, described sleeve pipe 82 two ends are provided with shrouding 84, and the shrouding 84 is fixedly mounted on the base tube 81, table in the outer surface of the base tube 81, sleeve pipe 82 Face constitutes in a sealing space 9, the sealing space 9 with shrouding 84 and is provided with heat-transfer working medium.
The enamel layer thickness is 0.2-1.5mm, and enamel layer is very thin, is tightly combined with carbon steel, on heat-transfer effect influence very It is small;The base tube 81 and sleeve pipe 82 are set to arranged off-centre, heat-transfer working medium is more concentrated, and beneficial to the gas-liquid phase transition of heat-transfer working medium, have Beneficial to raising heat exchange efficiency;The outer surface of described sleeve pipe 82 is provided with fin 83, and the fin 83 is welded to connect in described sleeve pipe 82 On, the contact area of increase heat exchanger and flue gas improves heat transfer efficiency;The inner surface of the housing 3 is provided with groove, facilitates described curved Pipe 7 is fixedly mounted;The sealing space 9 is set to vacuum state, facilitates the heat exchange of the transfer working medium in heat of the sealing space 9, keeps away Exempt from thermal loss;The housing 3 is steel construction piece, is that exhaust gases passes and the heat exchanger tube 4 provide support.
During utility model works, flue gas enters heat exchanger by the smoke inlet 2, after flue gas enters heat exchanger, with institute The radial heat pipe 8 for stating heat exchanger tube 4 is contacted, and the radial heat pipe 8 absorbs flue gas and releases by described sleeve pipe 82 and fin 83 Heat, and the heat-transfer working medium in the sealing space 9 is transferred heat to, in the sealing space 9 in vacuum state Hot side heat-transfer working medium is heated vaporized expanding, flows to cold side, and heat is transmitted to the base tube 81, and the water in the water inlet header 6 is flowed into The heat exchanger tube 4, the heat on the base tube 81 is taken away, and flows into the water inlet header 6, the circulation for so going round and beginning again, structure Into the course of work of the radial heat pipe 8, flue gas after heat exchange discharges heat exchanger by the outlet flue 1, described in heat exchanger The heat-insulation layer 32 in housing 3 can be prevented effectively from scattering and disappearing for heat.
Above content is only to structure example of the present utility model and explanation, the technology of affiliated the art Personnel are made various modifications or supplement to described specific embodiment or are substituted using similar mode, without departing from The structure of utility model surmounts scope defined in the claims, all should belong to protection domain of the present utility model.

Claims (7)

1. a kind of New enamel formula radial heat exchanger, it is characterized in that, including housing and heat exchanger tube, the heat exchanger tube fix peace Mounted in the enclosure interior, the housing is provided with smoke inlet and outlet flue, the housing be sequentially provided with from inside to outside internal tube plate, Heat-insulation layer and outer tube plate;
The outer surface of the heat exchanger tube is provided with enamel layer, and described heat exchanger tube one end is connected with into water header through the housing, described The heat exchanger tube other end is connected with water outlet header through the housing, and the heat exchanger tube includes some radial heat pipes arranged in parallel, Bend pipe connection is provided between two adjacent radial heat pipes, the bend pipe fixed installation is on the housing;
The radial heat pipe includes base tube and sleeve pipe, and described sleeve pipe is sleeved on the base tube, and described sleeve pipe two ends are provided with shrouding, The shrouding is fixedly mounted on the base tube, and the base tube outer surface, internal surface of casing and shrouding constitute a sealing space, Heat-transfer working medium is provided with the sealing space.
2. a kind of New enamel formula radial heat exchanger according to claim 1, it is characterized in that, the enamel layer thickness It is 0.2-1.5mm.
3. a kind of New enamel formula radial heat exchanger according to claim 1, it is characterized in that, the base tube and sleeve pipe It is set to arranged off-centre.
4. a kind of New enamel formula radial heat exchanger according to claim 1, it is characterized in that, described sleeve pipe outer surface Fin is provided with, the fin is welded to connect in described sleeve pipe.
5. a kind of New enamel formula radial heat exchanger according to claim 1, it is characterized in that, it is described in described sleeve pipe Shell inner surface is provided with groove.
6. a kind of New enamel formula radial heat exchanger according to claim 1, it is characterized in that, the sealing space sets It is vacuum state.
7. a kind of New enamel formula radial heat exchanger according to claim 1, it is characterized in that, the housing is steel knot Component.
CN201621395260.4U 2016-12-19 2016-12-19 A kind of New enamel formula radial heat exchanger Active CN206274229U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621395260.4U CN206274229U (en) 2016-12-19 2016-12-19 A kind of New enamel formula radial heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621395260.4U CN206274229U (en) 2016-12-19 2016-12-19 A kind of New enamel formula radial heat exchanger

Publications (1)

Publication Number Publication Date
CN206274229U true CN206274229U (en) 2017-06-23

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Application Number Title Priority Date Filing Date
CN201621395260.4U Active CN206274229U (en) 2016-12-19 2016-12-19 A kind of New enamel formula radial heat exchanger

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111007103A (en) * 2019-12-18 2020-04-14 西安科技大学 Sleeve type mine heat recovery experimental device and method containing phase change heat storage material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111007103A (en) * 2019-12-18 2020-04-14 西安科技大学 Sleeve type mine heat recovery experimental device and method containing phase change heat storage material

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