CN201666746U - High-efficiency Tai Chi module high-speed heat exchange device - Google Patents
High-efficiency Tai Chi module high-speed heat exchange device Download PDFInfo
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- CN201666746U CN201666746U CN2010201464157U CN201020146415U CN201666746U CN 201666746 U CN201666746 U CN 201666746U CN 2010201464157 U CN2010201464157 U CN 2010201464157U CN 201020146415 U CN201020146415 U CN 201020146415U CN 201666746 U CN201666746 U CN 201666746U
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Abstract
The utility model relates to a heat exchange device, in particular to a high-efficiency Tai Chi module high-speed heat exchange device which is characterized in that a tube stroke is formed by a primary heating medium inlet flange, a primary heating medium outlet flange, seal heads and heat exchange tubes, wherein the primary heating medium inlet flange is arranged on a left seal head, and the primary heating medium outlet flange is positioned on a right seal head; the left seal head and the right seal head are respectively connected with shell flanges arranged at the two ends of a shell; tube plates are welded in inner tubes arranged at the two ends of a shell, and the tubes are internally and respectively divided into a left, a middle and a right independent seal cavities; the heat exchange tubes are fixed on the tube plates at the two ends; a shell stroke is formed by connecting a secondary heating medium inlet flange, a secondary heating medium outlet flange and the shell; the secondary heating medium inlet flange is arranged at the right lower front end of the shell, and the secondary heating medium outlet flange is positioned at the left upper end of the shell; and the shell is separated into a plurality of layers of upper and lower chambers by clapboards. The high-efficiency Tai Chi module high-speed heat exchange device has high-speed and high-efficiency heat exchange, saves the occupied area, can be distributed in a modular way, is convenient for installation and energy-saving, has no noise, and is convenient for maintenance and washing.
Description
Technical field
The utility model relates to heat transmission equipment, is a kind of high-efficiency Taichi modular high-efficiency heat-exchanger rig specifically.
Background technology
Existing heat transmission equipment: forced turbulent heat exchanger (corrugated tube heat exchanger, tubular heat exchanger), it is by fixing many straight-through heat exchanger tubes between two tube sheets, form the tube side at secondary heating agent place, the outside is the housing at primary fluid (steam) place, primary fluid is in housing, and radiation loss is big, heat exchange efficiency is low, floor space is big.Steam in housing by the condensation of heat release nature, be converted into condensate water, condensing water temperature height, pressure are low, must install steam trap additional and the hydroecium that condenses, its ability operate as normal, and be not easy to recycle, need special condensate pump and condensate tank, but it is operate as normal, and the corollary equipment investment is big, installs extremely inconvenient; The coefficient of heat transfer (K value) is very low, and vapour-water heat exchange heat transfer coefficient (K value) is 6000-7000W/(m2.k); In addition, secondary heating agent water quality is generally relatively poor, in pipe, flow, cause the heat exchanger tube fouling easily, cause heat exchanger tube to stop up after working long hours easily, resistance strengthens, cause circulation pump power to strengthen, waste electric power, and, the coefficient of heat transfer reduces greatly, waste the energy, strengthened coal consumption and power consumption, when fouling is serious, even make device damage, the pressure that causes pipeline raises, and causes danger such as booster, blast, service life short (general 4-6 years), the maintenance cost height, and keep in repair, clean extremely inconvenient.
Europe steam prince (Sai Sibo) vapor-water heat exchanger, it is by at the fixing heat-exchanging tube bundle of spiral, fried dough twist type of tube sheet, and has formed the tube side at secondary heating agent place, and the outside is the housing at primary fluid place, and special version is not easy to installation.Primary fluid impacts spiral, fried dough twist type heat-exchanging tube bundle in housing after, after steam heat discharged, be converted into condensate water, condensing water temperature height, pressure are low, must install steam trap additional, its ability operate as normal, and be not easy to recycle, need special condensate pump and condensate tank, the cylindrical shell at primary fluid (steam) place, stroke is short, cause the primary fluid heat release insufficient, not thorough easily, formed shortcoming such as waste energy, the coefficient of heat transfer (K value) is low, and vapour-water heat exchange heat transfer coefficient (K value) is 7000-9500W/(m2.k); In addition, the heat-exchanging tube bundle of spiral, fried dough twist type is subjected to the influence of version, can not keep in repair, and can only be disposable scrapping, cause service life short, (304 material stainless steel), the energy were wasted in a large number in general 3-5 years, did not meet state basic policy energy-conservation, that reduce discharging.
Sum up that the said equipment exists problem be:
A, manufacturing process complexity, the cost height;
B, the easy crystallization of calcium ions and magnesium ions;
C, equipment thermal efficiency are low, waste energy the operating cost height;
D, can not keep in repair, disposable scrapping, service life is short;
E, first and second heating agent and do not isolate at same body, are regardless of backhaul, and interior pipe resistance is big, is pressed temperature too high, is pressed droop loss big, can only add hydrophobic and condensate pump and condensate tank ability operate as normal.The primary fluid temperature is too high, and the primary fluid temperature is higher than 35 ℃ of secondary heating agents more than-50 ℃, has promptly wasted the energy, has strengthened other corollary equipments investments again, has strengthened floor space simultaneously;
F, to be heated stroke short, and mechanical loss is big, easy to leak;
G, mounting process complexity are not easy to install.
Summary of the invention
But the purpose of this utility model provides a kind of high-speed and high-efficiency heat exchange, saves the floor space modular arrangement, easy for installation, save the energy, noiselessness, maintenance and clean high-efficiency Taichi modular high-efficiency heat-exchanger rig easily.
The purpose of this utility model is to realize like this, design a kind of high-efficiency Taichi modular high-efficiency heat-exchanger rig, at least comprise shell side and tube side, it is characterized in that: primary fluid suction flange, primary fluid outlet(discharge) flange, end socket, heat exchanger tube form tube side, the primary fluid suction flange is on left end socket, the primary fluid outlet(discharge) flange is on right end socket, left side end socket is connected with the shell flange flange at housing two ends respectively with right end socket, tube sheet is welded in the housing two ends in the pipe, to be divided into three the independent sealed cavitys in left, center, right in the pipe, heat exchanger tube is fixed on the tube sheet at two ends; Secondary heating agent suction flange, secondary heating agent outlet(discharge) flange and housing are connected to form shell side, and secondary heating agent suction flange is at the bottom right of housing front end, and secondary heating agent outlet(discharge) flange is at the left upper end of housing, and the housing inner route clapboard separates formation multilayer chamber up and down up and down.
Described heat exchanger tube is fixing on the tube sheet at two ends, and heat exchanger tube one end leads to left cavity, and the other end leads to right cavity, and there is the deflection plate vertical distribution centre on the housing horizontal direction, and deflection plate is that horizontal direction distributes one on the other.
Two Da Qu about described heat exchanger tube is separately formed by the S shape, two Da Qu are divided into three sub-districts of upper, middle and lower by the end socket dividing plate.
Described tube side is the high-temperature steam passage.
Described shell side is a water stream channel.
Described heat exchanger tube adopts dual damascene spiral shell fiber crops copper tube, nickel alloy or Nitinol pipe.
The secondary heating agent enters housing by lower housing portion secondary heating agent suction flange, then by dividing plate water conservancy diversion and deflection plate baffling, process is the size variation of chamber up and down, and primary fluid and secondary heating agent form adverse current and cross-flow, and the secondary heating agent flows out from the secondary heating agent outlet(discharge) flange of case top then.
Thermometer boss, pressure gauge connection and relief valve connection are arranged on the described housing.
The beneficial effects of the utility model: housing adopts low alloy steel plate to make, and heat-exchanging tube bundle is dual damascene spiral shell fiber crops copper tube, nickel alloy or the Nitinol pipe of φ 16,19,25 * (2.0) 1.5mm.The general advantage of this heat exchanger is pressed droop loss little as the bearing capacity height, regional efficiency of heating surface height, and heat resistance is good, the manufacturing process maturation, volume big (be other heat exchangers to escort services), cost is lower, maintenance management is easy, outside the performances such as long service life, also has following important feature:
(1) compact conformation, small, many when using can about, left and right sides modular arrangement, save land area and building height.Save construction investment, be convenient to design arrangement, operation maintenance simultaneously is convenient;
(2) the heat-exchanging tube bundle subdivision of high-efficiency Taichi modular high-efficiency heat exchanger, arrange according to the Tai Ji pure science, the heat-exchanging tube bundle utilization rate height of each unit, no heat exchanging corner, size and weight are less simultaneously, are convenient to maintenance and cleaning;
(3) good sealing effect, the housing of high-efficiency Taichi modular high-efficiency heat exchanger connect the employing welding, and heat-exchanging tube bundle and tube sheet adopt welding, Hydraulic expansion-jointing, and be solid and reliable;
(4) craft science, easy access, process pipe is convenient to install, each unit of heat-exchanging tube bundle independently is provided with, and only need open heat exchanger front and back end socket during maintenance, and heat-exchanging tube bundle is inner to come into plain view, simple and convenient, end socket and tube sheet sealing can be used repeatedly with backing plate, generally need not change;
(5) coefficient of heat transfer height, save heat exchange area, the general coefficient of heat transfer of high-efficiency Taichi modular high-efficiency heat exchanger (K value), vapour-water heat exchange heat transfer coefficient (K value) is 9490---10359.13 W/(m2.k), the coefficient of heat transfer is bigger nearly about 1 times than forced turbulent heat exchanger, and heat exchange area can reduce 40-60%; The coefficient of heat transfer is bigger by 25 than European steam prince---and about 35%;
(6) new high-efficiency, zone heating, heat utilization efficiency height.The condensing water temperature low (HGTJ-Q-S series is below 30 ℃) that efficient " Taiji " heated at high speed device vapour-water heat exchange is discharged had not both had leakage losses generally below 65 ℃, did not need to install steam trap yet.Runner is many, and the zone heating divides: superelevation warm area, high-temperature region, middle high-temperature region, middle warm area, low-temperature space, ultra-low temperature region.The heat exchange zone is not in same tube side, and subregion heats, and heat exchange is abundant, and leaving water temperature is stable;
(7) the condensate water pressure that high-efficiency Taichi modular high-efficiency heat exchanger vapour-water heat exchange (HGTJ-Q-N, HGTJ-Q-K, HGTJ-Q-S, HGTJ-Q-T series) is discharged is more than 60-70% of steam pressure, can utilize the overbottom pressure of self to be back to boiler room or water supply tank.Saved the equipment and the station investment of condensate return system, it is all greatly convenient to design simultaneously and manage;
(8) the hydrodynamics hydraulic characteristic(s) is good, and the flow resistance of primary fluid and secondary heating agent is little, flow speed stability, design is from the angle of the best of breed relation of the pressure drop and the coefficient of heat transfer, droop loss with minimum exchanges the highest heat exchange effect for, pays still less when allowing you use, and benefits more;
(9) special heat exchanger tube arrangement has increased flow velocity, has improved film coefficient of heat transfer, thereby improves overall heat-transfer coefficient, makes the compact conformation of heat exchanger, and turbulence state is stronger.The high-efficiency Taichi modular high-efficiency heat exchanger unique design is used the minimum energy and is reached best heat exchange effect;
(10) long service life, be more than 20 years service life.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing:
Fig. 1 is a structural profile schematic diagram of the present utility model;
Fig. 2 is the generalized section of a among Fig. 1-a direction;
Fig. 3 is the generalized section of b among Fig. 1-b direction;
Fig. 4 is the generalized section of c among Fig. 1-c direction.
Among the figure: 1, primary fluid outlet(discharge) flange; 2, primary fluid suction flange; 3, left end socket; 4, shell flange; 5, tube sheet; 6, secondary heating agent outlet(discharge) flange; 7, thermometer boss; 8, secondary heating agent suction flange; 9, pressure gauge connection; 12, housing; 11, relief valve connection; 10, deflection plate; 13, heat exchanger tube; 14, dividing plate; 15, end socket dividing plate; 16, sewage draining exit; 17, right end socket.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 4, high-efficiency Taichi modular high-efficiency heat exchanger, at least comprise shell side and tube side, primary fluid suction flange 2, primary fluid outlet(discharge) flange 1, end socket, heat exchanger tube 13 form tube side, primary fluid suction flange 2 is on left end socket 3, primary fluid outlet(discharge) flange 1 is on right end socket 17, left side end socket 3 is connected with shell flange 4 flanges at housing 12 two ends respectively with right end socket 17, tube sheet 5 is welded in housing 12 two ends in the pipe, to be divided into three the independent sealed cavitys in left, center, right in the pipe, heat exchanger tube 13 is fixed on the tube sheet 5 at two ends.
Secondary heating agent suction flange 8, secondary heating agent outlet(discharge) flange 6 are connected to form shell side with housing 12, secondary heating agent suction flange 8 is at the bottom right of housing 12 front end, secondary heating agent outlet(discharge) flange 6 is at the left upper end of housing 12, and housing 12 inner route clapboards 14 separate formation multilayer chamber up and down up and down.
Two Da Qu about heat exchanger tube 13 is separately formed by the S shape of Tai Ji principle, two Da Qu are divided into three sub-districts of upper, middle and lower by end socket dividing plate 15.
During work, primary fluid enters left seal chamber through primary fluid suction flange 2, flow through put in heat exchanger tube 13 in the left seal chamber after, enter right seal chamber again, by putting in heat exchanger tube 13 outlets in the right seal chamber through 1 output of primary fluid outlet(discharge) flange.The secondary heating agent is discharged by secondary heating agent outlet(discharge) flange 6 behind the chamber up and down through multilayer through secondary heating agent suction flange 8.
As shown in Figure 3, two Da Qu about heat exchanger tube 13 of the present utility model is separately formed by the S shape of Tai Ji principle, two Da Qu are divided into three sub-districts of upper, middle and lower by end socket dividing plate 15, and totally 6 districts are as the A among the figure, B, C, D, E, F.Successively decrease gradually in proportion from primary fluid suction flange 2 to primary fluid outlet(discharge) flange 1 through science calculating, because being gradually, the arranged of heat exchanger tube 13 successively decreases, therefore, when primary fluid is that high-temperature steam gradates in exothermic process in the whole exothermic process into low-temperature condensate, heat exchanger tube 13 in each backhaul all is full shapes, when therefore primary fluid flows, still can keep higher flow velocity in heat exchanger tube 13, form strong cross-flow.In like manner, the secondary heating agent enters in the housing 12 by secondary heating agent suction flange 8, the a plurality of up and down chambers of secondary heating agent through being divided into by dividing plate 14, and the baffling effect of being played by deflection plate 10, primary fluid and secondary heating agent are adverse current fully, cross-flow, add heat exchanger tube 13 arrangement modes of the uniqueness of Tai Ji form, different variation (being that actual internal area is in different size) has also taken place in the actual internal area in each chamber (be current the area by housing), the secondary heating agent in housing in the shape of a spiral, piston shape is irregular flows, thereby, the secondary heating agent has formed strong cross-flow, strong cross-flow has strengthened the heat exchange effect, has improved the coefficient of heat transfer greatly.
The secondary heating agent enters housing 12 by lower housing portion secondary heating agent suction flange 8, then by dividing plate 14 water conservancy diversion and deflection plate 10 bafflings, through up and down 2,3 or a plurality of chamber that varies in size (because successively decreasing gradually of heat exchanger tube formed the chamber that varies in size; The water of equal in quality; temperature raises; density reduces; volume increases accordingly); because the secondary heating agent is a process that heat absorption is expanded always; the size variation of chamber; primary fluid and secondary heating agent form strong adverse current and cross-flow; thereby the perfect heat exchange type of flow in the formation thermal conduction study, strong adverse current and cross-flow have improved the Reynolds coefficient, have strengthened film coefficient of heat transfer; impel the abundant heat release of primary fluid in the heat exchanger tube 13; the secondary heating agent absorbs heat fully, and the secondary heating agent outlet(discharge) flange 6 from housing 12 tops flows out then, is equipped with thermometer boss 7 on the housing 12; the relief valve connection 11 of pressure gauge connection 9 and the normal safe operation of protection equipment.
In order better to improve the coefficient of heat transfer of the present utility model (K value), heat exchanger tube adopts dual damascene spiral shell fiber crops copper tube, nickel alloy or Nitinol pipe, has both strengthened the coefficient of heat transfer (K value), has improved service life again.In order to reduce floor space, can carry out modular arrangement, when promptly two or multiple devices use simultaneously can about, modular combination in the left and right sides arranges.
In order to reduce maintenance cost, adopted fixed tube sheet, easily maintenance.In order to reduce radiation loss and to reach purpose of safe operation, adopt primary fluid in tube side, to flow, the secondary heating agent flows in shell side, water has surrounded steam, changed the traditional mode that drum encloses water, promptly reduced radiation loss and reached purpose of safe operation, improved the heat energy utilization rate again, also reduced requirement simultaneously insulation material.
For the better equipment thermal efficiency that improves, effective use of energy sources, we have adopted multiple-pass, multithread road, many bafflings, the cross-flow of multi-cavity chamber.The high-efficiency Taichi modular high-efficiency heat exchanger compact conformation, small, save land area and building height, save construction investment, be convenient to design arrangement, operation is convenient simultaneously.High-efficiency Taichi modular high-efficiency heat exchanger adopts low alloy steel plate and non-ferrous alloy to make and has effectively prevented corrosion.The bearing capacity height is pressed droop loss little, thermal efficiency height (more than 99.7%), heat resistance is good, the manufacturing process maturation, and cost is lower, performances such as maintenance management is easy, long service life (reaching more than 20 years) has effectively prevented some disadvantages of other heat exchangers.Be the upgrading products of forced turbulent heat exchanger, European steam prince and some other heat exchanger.
Dual damascene spiral shell fiber crops copper tube, nickel alloy or Nitinol pipe are as heat exchanger tube 13, high-efficiency Taichi modular high-efficiency heat exchanger is when operation work, special shape, special comb mode, make trembling and dither that heat exchanger tube 13 do not stop in housing 12, branch, ion that calcium magnesium in the secondary heating agent etc. adheres to fouling easily can't adhere to, so the utmost point is not easy fouling on heat exchanger tube 13 outer walls.
After operation a period of time, branch, ion and the solid impurity etc. that the calcium magnesium that can't adhere to etc. adheres to fouling easily are deposited on the bottom in the housing 12, discharge by the sewage draining exit 16 that is arranged on housing 12 bottoms.
Claims (7)
1. high-efficiency Taichi modular high-efficiency heat-exchanger rig, at least comprise shell side and tube side, it is characterized in that: primary fluid suction flange (2), primary fluid outlet(discharge) flange (1), end socket, heat exchanger tube (13) forms tube side, primary fluid suction flange (2) is on left end socket (3), primary fluid outlet(discharge) flange (1) is on right end socket (17), left side end socket (3) is connected with shell flange (4) flange at housing (12) two ends respectively with right end socket (17), tube sheet (5) is welded in housing (12) two ends in the pipe, a left side will be divided in the pipe, in, right three independent sealed cavitys, heat exchanger tube (13) is fixed on the tube sheet (5) at two ends; Secondary heating agent suction flange (8), secondary heating agent outlet(discharge) flange (6) are connected to form shell side with housing (12), secondary heating agent suction flange (8) is at the bottom right front end of housing (12), secondary heating agent outlet(discharge) flange (6) is at the left upper end of housing (12), and housing (12) inner route clapboard (14) separates formation multilayer chamber up and down up and down.
2. high-efficiency Taichi modular high-efficiency heat-exchanger rig according to claim 1, it is characterized in that: described heat exchanger tube (13) is gone up fixing at the tube sheet (5) at two ends, heat exchanger tube (13) one ends lead to left cavity, the other end leads to right cavity, there is deflection plate (10) vertical distribution the centre on housing (12) horizontal direction, and deflection plate (10) distributes one on the other for horizontal direction.
3. high-efficiency Taichi modular high-efficiency heat-exchanger rig according to claim 1 is characterized in that: two Da Qu about described heat exchanger tube (13) is separately formed by the S shape, two Da Qu are divided into three sub-districts of upper, middle and lower by end socket dividing plate (15).
4. high-efficiency Taichi modular high-efficiency heat-exchanger rig according to claim 1 is characterized in that: described tube side is the high-temperature steam passage.
5. high-efficiency Taichi modular high-efficiency heat-exchanger rig according to claim 1 is characterized in that: described shell side is a water stream channel.
6. high-efficiency Taichi modular high-efficiency heat-exchanger rig according to claim 1 is characterized in that: described heat exchanger tube (13) adopts dual damascene spiral shell fiber crops copper tube, nickel alloy or Nitinol pipe.
7. high-efficiency Taichi modular high-efficiency heat-exchanger rig according to claim 1 is characterized in that: thermometer boss (7), pressure gauge connection (9) and relief valve connection (11) are arranged on the described housing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201464157U CN201666746U (en) | 2010-03-31 | 2010-03-31 | High-efficiency Tai Chi module high-speed heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201464157U CN201666746U (en) | 2010-03-31 | 2010-03-31 | High-efficiency Tai Chi module high-speed heat exchange device |
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| Publication Number | Publication Date |
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| CN201666746U true CN201666746U (en) | 2010-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201464157U Expired - Fee Related CN201666746U (en) | 2010-03-31 | 2010-03-31 | High-efficiency Tai Chi module high-speed heat exchange device |
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| CN (1) | CN201666746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444199A (en) * | 2015-12-14 | 2016-03-30 | 金东纸业（江苏）股份有限公司 | Tubular air preheater and heat exchange tube replacement method |
| CN107806780A (en) * | 2017-11-15 | 2018-03-16 | 西安华广电站锅炉有限公司 | The more backhaul heat exchangers of high speed S modules |
-
2010
- 2010-03-31 CN CN2010201464157U patent/CN201666746U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444199A (en) * | 2015-12-14 | 2016-03-30 | 金东纸业（江苏）股份有限公司 | Tubular air preheater and heat exchange tube replacement method |
| CN107806780A (en) * | 2017-11-15 | 2018-03-16 | 西安华广电站锅炉有限公司 | The more backhaul heat exchangers of high speed S modules |
| CN107806780B (en) * | 2017-11-15 | 2023-11-21 | 西安华广电站锅炉有限公司 | High-speed S module multi-return heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20130331 |