CN103090350A - Steam boiler with heat pipes - Google Patents
Steam boiler with heat pipes Download PDFInfo
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- CN103090350A CN103090350A CN2011103361385A CN201110336138A CN103090350A CN 103090350 A CN103090350 A CN 103090350A CN 2011103361385 A CN2011103361385 A CN 2011103361385A CN 201110336138 A CN201110336138 A CN 201110336138A CN 103090350 A CN103090350 A CN 103090350A
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- Prior art keywords
- boiler
- heat pipe
- bushing
- dividing plate
- heat
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- 239000012530 fluid Substances 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a steam boiler with heat pipes, and relates to the technology of boilers. The traditional heat pipes form a pipe bundle in a barrel of the boiler, the pipe bundle is divided into an upper section and a lower section by a partition, hot fluid flows through the lower section, and a steam cavity is formed in the upper section; and the hot fluid flows across the heat pipe bundle, and heat of the hot fluid is transmitted to the steam cavity at the upper end of the pipe bundle via the heat pipes all along, is used for heating fed water of the boiler to generate steam, and flows into a preheating section formed by double-pipe heat pipe bundles, so that fed water, which is about to be fed into the steam cavity, of the boiler can be preheated, the heat of the hot fluid is sufficiently utilized, and the temperature of drained fluid is reduced. Partitions are placed at proper positions of an upper header and a lower header, and water turns back after flowing through an inner pipe of the coldest-end double-pipe heat pipe bundle, flows to the high-temperature double-pipe heat pipe bundle, turns back, then flows to the higher-temperature double-pipe heat pipe bundle, flows to form an S shape, finally flows to the steam cavity and is sufficiently preheated. The steam boiler has the advantages that owing to the preheating section, the fed water of the boiler is sufficiently preheated, the size of the steam cavity is reduced, the pressure-bearing capacity is improved, and the boiler is compact in integral structure and high in safety.
Description
Technical field
The present invention relates to the steam boiler technical field, particularly relate to a kind of heat-pipe type steam boiler, with preheating section, can fully absorb the energy of hot fluid, energy-saving efficiency is high, and required drive consumes little, and compact conformation.
Background technology
Present various waste heat boiler is the main device that flue gas heat reclaims, for improving the organic efficiency of heat energy, how to use heat pipe in boiler, but it is lower that these heat pipe boilers all exist utilization ratio, the problems such as flue gas exhaust gas temperature height, the problems such as heat energy can not be fully utilized, and the energy grade that heated fluid has is not high.
Summary of the invention
The object of the present invention is to provide a kind of heat pipe-type steam boiler, the problem that exists to overcome prior art, increased the preheating section with bushing-type heat tube, during for the production of steam, abundant preheating has been carried out in boiler feedwater, make the vapor chamber smaller volume, bearing capacity improves, and the boiler compact overall structure is safe, greatly improve simultaneously the efficient of boiler, reduced the hot fluid discharge temperature.
For achieving the above object, technical solution of the present invention is:
A kind of heat pipe-type steam boiler comprises conventional heat pipe, dividing plate, boiler barrel and import and export flange; The boiler barrel upper end is boiler export, and is affixed with flange seal; The boiler barrel inner chamber is provided with the heat pipe tube bank that the many conventional heat pipe that are parallel to each other form vertically, boiler barrel inner chamber middle and upper part level is provided with dividing plate, dividing plate periphery and boiler barrel inner wall sealing are affixed, the boiler barrel inner chamber is divided into up and down two parts, top is vapor chamber, and the bottom is zone of heat liberation, and dividing plate is passed in the conventional heat pipe tube bank, and affixed with dividing plate joint sealing, the two ends of heat pipe are unsettled setting in the boiler barrel inner chamber; It also comprises preheating section, and preheating section is positioned at the outer side of boiler barrel, axially arranges, and with the side common boiler cylinder lateral wall that boiler barrel joins, the preheating section axial length is greater than the length of zone of heat liberation;
Preheating section comprises shell, upper lower clapboard, bushing-type heat tube bundle, entrance, upper and lower dividing plate is horizontally placed on respectively the upper and lower end of shell inner cavity, upper and lower dividing plate periphery is affixed with the outer casing inner wall sealing respectively, upper spacer is gapped apart from the shell inner cavity side wall, form upper linked box, lower clapboard is gapped apart from the shell inner cavity downside wall, forms lower linked box; Upper linked box and boiler barrel joint in the preheating section shell, are positioned at the boiler barrel sidewall and are provided with the vapor chamber interface; Upper spacer and boiler barrel internal partition are in same level, and outer shell bottom wall and boiler barrel diapire are in same level;
The part that surrounds between upper and lower dividing plate radially interlinks with zone of heat liberation;
The bushing-type heat tube bundle axially is parallel to each other is located at the preheating section shell inner cavity, and the two ends outer peripheral edges of each bushing-type heat tube are affixed with upper and lower dividing plate sealing respectively, and the inner tube of each bushing-type heat tube interlinks with the upper and lower box cavity that connects respectively;
The preheating section outer shell bottom wall is provided with the boiler feedwater entrance.
Described heat pipe-type steam boiler, also respectively is provided with the upper and lower dividing plate that adds at its described upper and lower company in case; The upper and lower baffle shaft that adds is to being vertical at upper and lower the company in case, upper and lowerly adds settings of staggering of dividing plate relative position, and upper and lower dividing plate periphery and outer casing inner wall, the upper and lower baffle surface of adding seals affixedly, and upper and lower company box cavity radially is divided into two seal chambers;
The bushing-type heat tube bundle is divided into several groups, and two seal chambers interlink from different bushing-type heat tube bundle group respectively, and the boiler feedwater S shape that is entered by the outer shell bottom wall upper inlet is flow through bushing-type heat tube Shu Zuhou, enters vapor chamber through the vapor chamber interface.
Described heat pipe-type steam boiler, its described bushing-type heat tube comprises inner tube, outer tube and upper lower end cap, and between inner and outer pipes, the above lower end cap sealing in space, be filled with working medium in enclosure space, and working medium is determined as required; Conventional heat pipe and bushing-type heat tube, the pipe outer wall is light pipe, or is provided with fin.
Described heat pipe-type steam boiler, adds dividing plate at its described dividing plate, has the effect that cuts off runner, and plays a supporting role.
Described heat pipe-type steam boiler, its described bushing-type heat tube bundle group number is determined as required.
Described heat pipe-type steam boiler, its technological process is:
A) hot fluid radially enters zone of heat liberation by boiler barrel one side, the horizontal conventional heat pipe tube bank hypomere of plunderring, and heat pipe tube bank epimere inserts vapor chamber, and the heat pipe tube bank surperficial mode with large space pool boiling of boiler feedwater in vapor chamber produces saturated vapor;
B) boiler feedwater enters preheating section by the entrance on outer shell bottom wall, after lower linked box inner chamber, one group of bushing-type heat tube bundle, upper linked box inner chamber, another group bushing-type heat tube bundle, lower linked box inner chamber, the 3rd group of bushing-type heat tube bundle, upper linked box inner chamber are done S shape and flowed, enter vapor chamber through the vapor chamber interface;
C) hot fluid is radially entered between the upper and lower dividing plate of preheating section by the boiler barrel opposite side again, first horizontal skim over the heat pipe bundle after, the more horizontal bushing-type heat tube bundle that skims over after preheating will enter the boiler feedwater of vapor chamber, flows out from the opposite side of preheating section;
D) boiler feedwater that is preheated is flow through through bushing-type heat tube bundle inner tube, and successively through the upper and lower box cavity that connects, enters at last vapor chamber;
E) enter the boiler feedwater of vapor chamber, after further being heated into steam by conventional heat pipe tube bank top, discharged by the boiler export of boiler barrel upper end, for subsequent technique.
Heat pipe-type steam boiler advantage of the present invention is: make the vapor chamber smaller volume, bearing capacity improves, and the boiler compact overall structure is safe, has greatly improved the efficient of boiler simultaneously, reduces the hot fluid discharge temperature.
Description of drawings
Fig. 1 is heat pipe-type steam boiler structural representation of the present invention.
Mark in figure:
1-outlet 2-boiler barrel 3-heat pipe
4-dividing plate 5-vapor chamber interface 6-bushing-type heat tube
Add on 7a-and add dividing plate 8-upper spacer under dividing plate 7b-
9-lower clapboard 10-boiler feedwater entrance 11-upper linked box
12-lower linked box 13-vapor chamber 14-zone of heat liberation
15-preheating section shell
The specific embodiment
The present invention is a kind of heat pipe-type steam boiler, adopts conventional heat pipe and Novel sleeve type hot pipe technique, has increased a preheating section, utilizes fully the energy of hot fluid, reduces the hot fluid discharge temperature, raises the efficiency.
As shown in Figure 1, heat pipe-type steam boiler of the present invention comprises conventional heat pipe 3, dividing plate 4, boiler barrel 2 and exports 1; Boiler barrel 2 upper ends are boiler export 1, and are affixed with flange seal; The boiler barrel inner chamber is provided with the heat pipe tube bank that the many conventional heat pipe that are parallel to each other 3 form vertically, boiler barrel inner chamber middle and upper part level is provided with dividing plate 4, dividing plate 4 peripheries and boiler barrel inner wall sealing are affixed, the boiler barrel inner chamber is divided into up and down two parts, top is vapor chamber 13, and the bottom is zone of heat liberation 14, and dividing plate 4 is passed in the conventional heat pipe tube bank, and affixed with dividing plate 4 joint sealings, the two ends of each conventional heat pipe 3 are unsettled setting in the boiler barrel inner chamber; Also comprise preheating section, preheating section is positioned at the outer side of boiler barrel 2, axially arranges, and with the side common boiler cylinder lateral wall that boiler barrel 2 joins, the preheating section axial length is greater than the length of zone of heat liberation 14;
Preheating section comprises shell 15, upper lower clapboard 8,9, bushing-type heat tube bundle 6, boiler feedwater entrance 10, upper and lower dividing plate 8,9 is horizontally placed on respectively the upper and lower end of shell inner cavity, upper and lower dividing plate 8,9 peripheries are affixed with the outer casing inner wall sealing respectively, upper spacer 8 is gapped apart from the shell inner cavity side wall, form upper linked box 11, lower clapboard 9 is gapped apart from the shell inner cavity downside wall, forms lower linked box 12; Upper linked box 11 and boiler barrel 2 joints in preheating section shell 15, are positioned at the boiler barrel sidewall and are provided with vapor chamber interface 5; In same level, outer shell bottom wall and boiler barrel diapire are in same level with boiler barrel 2 internal partitions 4 for upper spacer 8;
The part that surrounds between upper and lower dividing plate 8,9 radially interlinks with zone of heat liberation 14;
Bushing-type heat tube bundle 6 axially is parallel to each other is located at the preheating section shell inner cavity, the two ends outer peripheral edges of each bushing-type heat tube are affixed with upper and lower dividing plate 8,9 sealings respectively, the interior tube opening of each bushing-type heat tube respectively with upper and lowerly connect case 11,12 inner chambers interlink; Bushing-type heat tube comprises inner tube, outer tube and upper lower end cap, and between inner and outer pipes, the above lower end cap sealing in space, be filled with working medium in enclosure space, and working medium is determined as required.
The upper and lower company in case 11,12, also respectively be provided with upper and lower dividing plate 7a, the 7b of adding; Upper and lower dividing plate 7a, the 7b of adding axially is vertical at upper and lower the company in case 11,12, upper and lowerly add dividing plate 7a, the 7b relative position setting of staggering, upper and lowerly add dividing plate periphery and preheating section shell 15 inwalls, upper and lower dividing plate 8,9 face seals are affixed, with upper and lowerly connect case 11,12 inner chambers radially are divided into two seal chambers;
Bushing-type heat tube bundle 6 is divided into several groups, two seal chambers interlink from different bushing-type heat tube bundle group respectively, after the boiler feedwater S shape that is entered by boiler feedwater entrance 10 on preheating section shell 15 diapires is flow through the bushing-type heat tube bundle, enter vapor chamber 13 through vapor chamber interface 5.
The heat pipe tube bank that conventional heat pipe 3 forms is used for realizing the main performance of boiler, the heat pipe tube bank is divided into two sections by dividing plate 4, the horizontal heat pipe of plunderring of hot fluid is restrained, heat is passed to the tube bank epimere by heat pipe, in the vapor chamber that boiler barrel 2 forms, hot water heating is become steam, steam is discharged by outlet 1, and the hot fluid that discharges certain heat flow to the preheating section that is formed by bushing-type heat tube bundle 6, upper spacer 8, lower clapboard 9, company's case internal partition 7 and preheating section shell 15 subsequently.For fully preboiler feedwater, the sleeve pipe tube bank can be divided into several parts, add dividing plate 7 in header appropriate location, up and down, after water enters into the lower linked box of preheating section from entrance 10, enter the tube bank inner tube of cold junction, after flowing to upper linked box, turning back flows to higher temperature tube bank, then turns back and flow to the higher temperature tube bank, after S-shaped flowing, at last flow to vapor chamber 13 by the interface 5 with vapor chamber, the number of turning back in S shape loop is determined as required.
In Fig. 1, only to main part signal explanation of the present invention, other take into account temperature and pressure control system etc. as fluid interface, runner closed box, drum, fixed support, deflector, safety valve, liquid level, in this omission.
Main part of the present invention is the utilization of the preheating section that bushing-type heat tube forms, and particularly determines different working medium and filling weight according to service condition.For the improvement of overall peripheral, as: being set to that 1, heat pipe is restrained is a row or multi-row; 2, this boiler cold fluid and hot fluid is gas or liquid; 3, this boiler is only for the production of hot water etc.
Claims (4)
1. a heat pipe-type steam boiler, comprise conventional heat pipe, dividing plate, boiler barrel and import and export flange; The boiler barrel upper end is boiler export, and is affixed with flange seal; Axially be provided with the heat pipe tube bank that the many conventional heat pipe that are parallel to each other form in the boiler barrel inner chamber, boiler barrel inner chamber middle and upper part level is provided with dividing plate, dividing plate periphery and boiler barrel inner wall sealing are affixed, the boiler barrel inner chamber is divided into up and down two parts, top is vapor chamber, and the bottom is zone of heat liberation, and dividing plate is passed in the conventional heat pipe tube bank, and affixed with dividing plate joint sealing, the two ends of each conventional heat pipe are unsettled setting in the boiler barrel inner chamber; It is characterized in that: comprise that also preheating section, preheating section are positioned at the outer side of boiler barrel, axially arrange, with the side common boiler cylinder lateral wall that boiler barrel joins, the preheating section axial length is greater than the length of zone of heat liberation;
Preheating section comprises shell, upper lower clapboard, bushing-type heat tube bundle, entrance, upper and lower dividing plate is horizontally placed on respectively the upper and lower end of shell inner cavity, upper and lower dividing plate periphery is affixed with the outer casing inner wall sealing respectively, upper spacer is gapped apart from the shell inner cavity side wall, form upper linked box, lower clapboard is gapped apart from the shell inner cavity downside wall, forms lower linked box; Upper linked box and boiler barrel joint in the preheating section shell, are positioned at the boiler barrel sidewall and are provided with the vapor chamber interface; Upper spacer and boiler barrel internal partition are in same level, and outer shell bottom wall and boiler barrel diapire are in same level;
The part that surrounds between upper and lower dividing plate radially interlinks with zone of heat liberation;
The bushing-type heat tube bundle axially is parallel to each other is located at the preheating section shell inner cavity, and the two ends outer peripheral edges of each bushing-type heat tube are affixed with upper and lower dividing plate sealing respectively, and the inner tube of each bushing-type heat tube interlinks with the upper and lower box cavity that connects respectively;
The preheating section outer shell bottom wall is provided with entrance.
2. heat pipe-type steam boiler as claimed in claim 1, is characterized in that: described upper and lower the company in case, also respectively be provided with the upper and lower dividing plate that adds; The upper and lower baffle shaft that adds is to being vertical at upper and lower the company in case, upper and lowerly adds settings of staggering of dividing plate relative position, and upper and lower dividing plate periphery and outer casing inner wall, the upper and lower baffle surface of adding seals affixedly, and upper and lower company box cavity radially is divided into two seal chambers;
The bushing-type heat tube bundle is divided into several groups, and two seal chambers interlink from different bushing-type heat tube bundle group respectively, and the boiler feedwater S shape that is entered by the outer shell bottom wall upper inlet is flow through bushing-type heat tube Shu Zuhou, enters vapor chamber through the vapor chamber interface.
3. heat pipe-type steam boiler as claimed in claim 1 or 2 is characterized in that: described bushing-type heat tube, comprise inner tube, outer tube and upper lower end cap, and between inner and outer pipes, the above lower end cap sealing in space, be filled with working medium in enclosure space; Described conventional heat pipe and bushing-type heat tube, the pipe outer wall is light pipe, or is provided with fin.
4. heat pipe-type steam boiler as claimed in claim 1 or 2, it is characterized in that: the technological process of described heat pipe-type steam boiler is:
A) hot fluid radially enters zone of heat liberation by boiler barrel one side, the horizontal conventional heat pipe tube bank hypomere of plunderring, and heat pipe tube bank epimere inserts vapor chamber, and the heat pipe tube bank surperficial mode with large space pool boiling of boiler feedwater in vapor chamber produces saturated vapor;
B) boiler feedwater enters preheating section by the entrance on outer shell bottom wall, after lower linked box inner chamber, one group of bushing-type heat tube bundle, upper linked box inner chamber, another group bushing-type heat tube bundle, lower linked box inner chamber, the 3rd group of bushing-type heat tube bundle, upper linked box inner chamber are done S shape and flowed, enter vapor chamber through the vapor chamber interface;
C) hot fluid is radially entered between the upper and lower dividing plate of preheating section by the boiler barrel opposite side again, first horizontal skim over the heat pipe bundle after, the more horizontal bushing-type heat tube bundle that skims over after preheating will enter the boiler feedwater of vapor chamber, flows out from the opposite side of preheating section;
D) boiler feedwater that is preheated is flow through through bushing-type heat tube bundle inner tube, and successively through the upper and lower box cavity that connects, enters at last vapor chamber;
E) enter the boiler feedwater of vapor chamber, after further being heated into steam by conventional heat pipe tube bank top, discharged by the boiler export of boiler barrel upper end, for subsequent technique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110336138.5A CN103090350B (en) | 2011-10-28 | 2011-10-28 | Steam boiler with heat pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110336138.5A CN103090350B (en) | 2011-10-28 | 2011-10-28 | Steam boiler with heat pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103090350A true CN103090350A (en) | 2013-05-08 |
| CN103090350B CN103090350B (en) | 2014-08-20 |
Family
ID=48203258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110336138.5A Expired - Fee Related CN103090350B (en) | 2011-10-28 | 2011-10-28 | Steam boiler with heat pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103090350B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1413199A (en) * | 1972-12-22 | 1975-11-12 | Siemens Ag | Vapour generators |
| US3923008A (en) * | 1972-11-16 | 1975-12-02 | Waagner Biro Ag | Steam generators |
| CN101144613A (en) * | 2007-11-02 | 2008-03-19 | 中国石油天然气第八建设有限公司 | Steam injection boiler with double return loop pipeline |
| CN101699163A (en) * | 2009-10-28 | 2010-04-28 | 华南理工大学 | Molten salt tube-shell type steam generating device and method |
| CN201526949U (en) * | 2009-10-28 | 2010-07-14 | 中山市东区三友兴厨具厂 | Novel steam generator |
-
2011
- 2011-10-28 CN CN201110336138.5A patent/CN103090350B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3923008A (en) * | 1972-11-16 | 1975-12-02 | Waagner Biro Ag | Steam generators |
| GB1413199A (en) * | 1972-12-22 | 1975-11-12 | Siemens Ag | Vapour generators |
| CN101144613A (en) * | 2007-11-02 | 2008-03-19 | 中国石油天然气第八建设有限公司 | Steam injection boiler with double return loop pipeline |
| CN101699163A (en) * | 2009-10-28 | 2010-04-28 | 华南理工大学 | Molten salt tube-shell type steam generating device and method |
| CN201526949U (en) * | 2009-10-28 | 2010-07-14 | 中山市东区三友兴厨具厂 | Novel steam generator |
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| Publication number | Publication date |
|---|---|
| CN103090350B (en) | 2014-08-20 |
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Granted publication date: 20140820 |