Nothing Special   »   [go: up one dir, main page]

CN104390495A - Undercooling type condensation heat exchanger and heat exchange method thereof - Google Patents

Undercooling type condensation heat exchanger and heat exchange method thereof Download PDF

Info

Publication number
CN104390495A
CN104390495A CN201410725789.7A CN201410725789A CN104390495A CN 104390495 A CN104390495 A CN 104390495A CN 201410725789 A CN201410725789 A CN 201410725789A CN 104390495 A CN104390495 A CN 104390495A
Authority
CN
China
Prior art keywords
heat exchanger
cylindrical shell
exchanger tube
pipe
heat exchange
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.)
Granted
Application number
CN201410725789.7A
Other languages
Chinese (zh)
Other versions
CN104390495B (en
Inventor
贾力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian blue sea energy saving Technology Co., Ltd.
Original Assignee
Beijing Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Jiaotong University filed Critical Beijing Jiaotong University
Priority to CN201410725789.7A priority Critical patent/CN104390495B/en
Publication of CN104390495A publication Critical patent/CN104390495A/en
Application granted granted Critical
Publication of CN104390495B publication Critical patent/CN104390495B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention provides an undercooling type condensation heat exchanger and a heat exchange method thereof. The condensation heat exchanger comprises a condenser body, an in-tube cooling unit and an undercooling unit. The condenser body comprises a cylinder unit, a first end enclosure and a second end enclosure, and the first end enclosure and the second end enclosure are arranged on two sides of the cylinder unit respectively. The first end enclosure is provided with a steam inlet and a steam outlet. The cylinder unit comprises a first cylinder and a second cylinder which are separated from each other through a gas-liquid separator. A separation plate is arranged in the first end enclosure, the in-tube cooling unit is arranged in the cylinder unit, and the undercooling unit is arranged in the second end enclosure. A steam heat exchange process in heat exchange tubes is divided into two processes in the two cylinders by the separation plate, and flow velocity of steam in each process is kept uniform basically; through heat exchange of the undercooling unit and the in-tube cooling unit, reliability in heat exchange is guaranteed, and application range of the condensation heat exchanger is widened.

Description

A kind of Overcold condensing heat exchanger and heat-exchange method thereof
Technical field
The present invention relates to the Thermal Equipment that high efficiency of energy utilizes technology, be specifically related to a kind of Overcold condensing heat exchanger and heat-exchange method thereof.
Background technology
Condensing heat exchanger is by steam being transformed into the liquid cooling device realizing taking away heat, being widely used in the fields such as chemical industry, refrigeration, oil, power and the energy.After superheated steam enters condensing heat exchanger through go through cooling, saturated condensation and cross cold three processes, by release sensible heat and latent heat to reach the object of heat exchange.Research shows, the thermal resistance of condensation heat transfer is mainly on the surface of film condensation, and the target therefore improving condensing heat-exchange accelerates the excretion of condensation water, the thickness of thinning film condensation.
The strengthening condensing heat-exchange technology of current main flow mainly comprises ribbed pipe, spiral grooved tube and inner spiral fin tube etc., although above-mentioned enhanced tube technology can improve the cooling energy recovery of condensing heat exchanger to a certain extent, what obviously exist piles up by condensation water the condensation caused and surveys resistance increase and downstream part heat exchange area and not to be fully utilized etc. and to solve at interior problems demand.
Summary of the invention
In view of this, the invention provides a kind of Overcold condensing heat exchanger and heat-exchange method thereof, be intended to effectively utilize heat exchange area by avoiding condensate liquid to pile up, thus significantly improve heat transfer coefficient.
The technical solution used in the present invention is specially:
A kind of Overcold condensing heat exchanger, comprise cooling unit and sub-cooling unit in condenser body, pipe, described condenser body comprises canister unit and is located at the first end socket and second end socket of described cylindrical shell both sides, described first end socket is provided with steam inlet and steam (vapor) outlet, described canister unit comprises the first cylindrical shell and the second cylindrical shell, separated by gas-liquid separator between described first cylindrical shell and described second cylindrical shell, dividing plate is provided with in described first end socket, in described pipe, cooling unit is located in described canister unit, and described sub-cooling unit is located at described second end socket.
In above-mentioned Overcold condensing heat exchanger, in described pipe, cooling unit comprises the first journey heat exchange unit, the second journey heat exchange unit, the 3rd journey heat exchange unit and quadruple pass heat exchange unit, wherein: in dividing plate first side of described first cylindrical shell, be provided with the first heat exchanger tube, described first cylindrical shell and described first heat exchanger tube define the first journey heat exchange unit; Be provided with the second heat exchanger tube in dividing plate first side of described second cylindrical shell, described second cylindrical shell and described second heat exchanger tube define the second journey heat exchange unit; Be provided with the 3rd heat exchanger tube in dividing plate second side of described second cylindrical shell, described second cylindrical shell and described 3rd heat exchanger tube define the 3rd journey heat exchange unit; Be provided with the 4th heat exchanger tube in dividing plate second side of described first cylindrical shell, described first cylindrical shell and described 4th heat exchanger tube define quadruple pass heat exchange unit; In described second journey heat exchange unit, between described gas-liquid separator and described second end socket, be provided with the first mozzle, in described 3rd journey heat exchange unit, between described gas-liquid separator and described second end socket, be provided with the second mozzle.
In above-mentioned Overcold condensing heat exchanger, described sub-cooling unit comprised cold heat exchanger tube and condensate liquid goes out pipe assembly, described second end socket is located at by the cold heat exchanger tube of described mistake, the two ends of the cold heat exchanger tube of described mistake were provided with cold working medium entrance and crossed cold sender property outlet, described mistake cold working medium entrance and the cold sender property outlet of described mistake stretch out outside described second end socket, the bottom of described second end socket is provided with the first condensate liquid and goes out pipe and the second condensate liquid goes out to manage, described first condensate liquid goes out pipe and described second condensate liquid goes out in pipe to be respectively equipped with the first control valve and the second control valve, described first condensate liquid goes out pipe and described second condensate liquid and goes out manifold and gather and have common subcooled condensation liquid to export.
In above-mentioned Overcold condensing heat exchanger, the cold heat exchanger tube of described mistake is serpentine configuration.
In above-mentioned Overcold condensing heat exchanger, also comprise the outer cooling unit of pipe, the outer cooling unit of described pipe comprises the first cylindrical shell, the second cylindrical shell and communicating pipe, described first cylindrical shell is provided with cooling working medium entrance, described second cylindrical shell is provided with cooling working medium outlet, and described first cylindrical shell is connected by described communicating pipe with the inner chamber of described second cylindrical shell.
In above-mentioned Overcold condensing heat exchanger, described communicating pipe is U-shaped structure.
A heat-exchange method for Overcold condensing heat exchanger, comprises the cooling of cooling unit and the cooling of sub-cooling unit in pipe, wherein:
In described pipe, the heat transfer process of cooling unit is specially:
Superheated steam enters the first end socket of condensing heat exchanger from steam inlet, dividing plate is provided with in first end socket, superheated steam is made only to enter the first cylindrical shell of body from partial cross section, the first heat exchanger tube is provided with in first cylindrical shell, superheated steam enters the first journey heat exchange unit in the first heat exchange intraductal heat exchange condensation, residual steam and condensate liquid is become after superheated steam heat exchange condensation, residual steam and condensate liquid enter in the condensate liquid gas-liquid separator between the first cylindrical shell and the second cylindrical shell, condensate liquid is directed in condensation water collector via the first mozzle, residual steam enters the second journey heat exchange unit, namely the second heat exchanger tube in the second cylindrical shell carries out further condensation, achieve vapor-liquid separation, after the second heat exchanger tube condensing heat-exchange, the condensate liquid obtained flows in condensation water collector automatically, the residual steam obtained enters in the 3rd journey heat exchange unit i.e. the 3rd heat exchanger tube carries out heat exchange, again vapor-liquid separation is realized in gas-liquid separator, the condensation water obtained is back in condensation water collector, the residual steam obtained enters quadruple pass heat exchange unit i.e. the 4th heat exchanger tube, and the residual steam finally obtained is discharged from steam (vapor) outlet, condensate liquid now in condensation water collector is in saturation state,
The heat transfer process of described sub-cooling unit is specially:
Adopted cold heat exchanger tube to carry out cold at the second end socket place, and crossed cold working medium and entered cold heat exchanger tube from the mistake cold working medium entrance crossing cold heat exchanger tube, discharge from the cold sender property outlet of the mistake crossing cold heat exchanger tube, the steam do not condensed discharges condensing heat exchanger by steam (vapor) outlet; Also be provided with two condensate liquids at the second end socket and go out pipe, the rate of discharge of condensation water is adjusted by being located at the first control valve between the second end socket and condensate outlet and the second control valve, condensation liquid level is avoided to be increased in condensing heat-exchanging pipe, cause destroying the condensation heat transfer in pipe, excessively cold condensation water goes out through the first condensate liquid conjoint outlet and the subcooled condensation liquid outlet discharge heat exchanger that pipe and the second condensate liquid go out pipe end; Condensation water collector is provided with liquid level meter, in order to observe the liquid level in condensation water collector, and then controls condensation water rate of discharge.
In the heat-exchange method of above-mentioned Overcold condensing heat exchanger, the cold heat exchanger tube of described mistake is serpentine configuration.
In the heat-exchange method of above-mentioned Overcold condensing heat exchanger, also comprise the heat exchange of managing outer cooling unit, the heat transfer process of the outer cooling unit of described pipe is specially: cooling working medium enters in the cylinder of the first cylindrical shell from cooling working medium entrance, outer cooling is managed to the first heat exchanger tube, by entering the second cylindrical shell communicating pipe, finally discharge from cooling working medium outlet, whole system is supported by support.
In the heat-exchange method of above-mentioned Overcold condensing heat exchanger, described communicating pipe is U-shaped structure.
The beneficial effect that the present invention produces is:
Utilize the inducer effect of condensing heat-exchange, deriving rapidly the condensation water of tube side at different levels by arranging stepped diversion pipe, avoiding condensation water to enter next stage tube side, ensure that superheated vapor carries out condensation heat transfer under aneroid membrane stage, take full advantage of heat exchange area, improve the coefficient of heat transfer of heat exchanger device;
By the heat exchanger tube of arrangement of successively decreasing along journey optimized, achieve the current-sharing quick change heat of steam inlet, effective minimizing heat exchange area; Simultaneously by the design of super cooled sect, ensure that the degree of supercooling of condensate liquid, prevent condensate liquid to vaporize;
By arranging vapor outlet port at upper cover, achieving steam series connection heat exchange, and the condensation heat transfer speed of steam in heat exchanger can be controlled.Greatly reduce heat exchange area, decrease spillage of material, plain tube also can be adopted simultaneously to replace enhanced tube costly to carry out heat exchange, reduce the cost of heat transmission equipment.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, more completely the present invention can be understood better.Accompanying drawing described herein is used to provide a further understanding of the present invention, and embodiment and explanation thereof, for explaining the present invention, do not form inappropriate limitation of the present invention.
Fig. 1 is the structural representation of a kind of Overcold condensing heat exchanger of the present invention.
In figure: 1, steam inlet 2, (the first end socket) upper cover 3, dividing plate 41, second cylindrical shell 42, first cylindrical shell 51, first heat exchanger tube 52, second heat exchanger tube 53, 3rd heat exchanger tube 54, 4th heat exchanger tube 6, gas-liquid separator 71, first mozzle 72, second mozzle 8, condensation water collector (the second end socket, i.e. low head) 9, steam (vapor) outlet 10, cross cold heat exchanger tube 11, cross cold working medium entrance, 12 cross cold sender property outlet 131, first condensate liquid goes out pipe 132, second condensate liquid goes out pipe 141, first control valve 142, second control valve 15, subcooled condensation liquid outlet 16, liquid level meter 17, cooling working medium entrance 18, communicating pipe 19, cooling working medium outlet 20, support.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical scheme of the present invention is described in further detail.
A kind of Overcold condensing heat exchanger as shown in Figure 1, comprise cooling unit and sub-cooling unit in condenser body, pipe, condenser body comprises canister unit and is located at the first end socket 2 and the second end socket 8 of cylindrical shell both sides, first end socket 2 is provided with steam inlet and steam (vapor) outlet, canister unit comprises the first cylindrical shell 41 and the second cylindrical shell 42, separated by gas-liquid separator 6 between first cylindrical shell 41 and the second cylindrical shell 42, dividing plate 3 is provided with in first end socket 2, in pipe, cooling unit is located in canister unit, and sub-cooling unit is located at the second end socket 8; Wherein:
In pipe, cooling unit comprises the first journey heat exchange unit, the second journey heat exchange unit, the 3rd journey heat exchange unit and quadruple pass heat exchange unit, wherein: be provided with the first heat exchanger tube 51, first cylindrical shell 41 in dividing plate first side (left side) of the first cylindrical shell 41 and the first heat exchanger tube 51 defines the first journey heat exchange unit; The second heat exchanger tube 52, second cylindrical shell 42 is provided with and the second heat exchanger tube 52 defines the second journey heat exchange unit in dividing plate first side (left side) of the second cylindrical shell 42; The 3rd heat exchanger tube 53, second cylindrical shell 41 is provided with and the 3rd heat exchanger tube 54 defines the 3rd journey heat exchange unit in dividing plate second side (right side) of the second cylindrical shell 42; The 4th heat exchanger tube 54, first cylindrical shell 41 is provided with and the 4th heat exchanger tube 54 defines quadruple pass heat exchange unit in dividing plate second side (right side) of the first cylindrical shell 41; In second journey heat exchange unit, be provided with between gas-liquid separator 6 and the second end socket 8 in first mozzle the 71, three journey heat exchange unit, between gas-liquid separator 6 and the second end socket 8, be provided with the second mozzle 72.
Sub-cooling unit comprises the cold heat exchanger tube 10 of mistake of serpentine configuration and condensate liquid goes out pipe assembly, cross cold heat exchanger tube 10 and be located at the second end socket 8, the two ends crossing cold heat exchanger tube 10 were provided with cold working medium entrance 11 and crossed cold sender property outlet 12, crossing cold working medium entrance 11 and crossing cold sender property outlet 12 stretches out outside the second end socket 8, the bottom of the second end socket 8 is provided with the first condensate liquid and goes out pipe 131 and the second condensate liquid goes out pipe 132, first condensate liquid goes out pipe 131 and the second condensate liquid goes out in pipe 132 to be provided with the first control valve 141 and the second control valve 142, first condensate liquid goes out pipe 131 and the second condensate liquid and goes out pipe 132 and converge and have common subcooled condensation liquid outlet 15.
Also comprise the outer cooling unit of pipe, manage the communicating pipe 18 that outer cooling unit comprises the first cylindrical shell 41, second cylindrical shell 42 and U-shaped structure, first cylindrical shell 41 is provided with cooling working medium entrance 17, second cylindrical shell 42 is provided with cooling working medium outlet the 19, first cylindrical shell 41 and is connected by communicating pipe 18 with the inner chamber of the second cylindrical shell 42.
In pipe in the cooling procedure of above-mentioned Overcold condensing heat exchanger, the heat transfer process of cooling unit, sub-cooling unit and the outer cooling unit of pipe is specially:
(1) heat exchange of the interior cooling unit (being cooled by superheated steam) of pipe:
Superheated steam enters the upper cover 2 of condensing heat exchanger from steam inlet 1, dividing plate 3 is provided with in upper cover 2, superheated steam is made only to enter the first cylindrical shell 41 of body from partial cross section (left large half section), the first heat exchanger tube 51 is provided with in first cylindrical shell 41, superheated steam enters the heat exchange condensation in the first heat exchanger tube 51 of the first journey heat exchange unit, residual steam and condensate liquid is become after superheated steam heat exchange condensation, residual steam and condensate liquid enter in the condensate liquid gas-liquid separator 6 between the first cylindrical shell 41 and the second cylindrical shell 42, condensate liquid is directed in condensation water collector 8 (i.e. low head) via the first mozzle 71, residual steam enters the second journey heat exchange unit, namely the second heat exchanger tube 52 in the second cylindrical shell 42 carries out further condensation, achieve vapor-liquid separation.After the second heat exchanger tube 52 condensing heat-exchange, the condensate liquid obtained flows in condensation water collector 8 automatically, the residual steam obtained enters in the 3rd journey heat exchange unit i.e. the 3rd heat exchanger tube 53 carries out heat exchange, again vapor-liquid separation is realized in gas-liquid separator 6, the condensation water obtained is back in condensation water collector 8, the residual steam obtained enters quadruple pass heat exchange unit i.e. the 4th heat exchanger tube 54, and the residual steam finally obtained is discharged from steam (vapor) outlet 9.Condensate liquid now in condensation water collector 8 is in saturation state;
(2) heat exchange of sub-cooling unit (by crossing the cooling of cold working medium):
Adopted cold heat exchanger tube 10 to carry out cold at low head 8 place, and crossed cold working medium and enter the cold heat exchanger tube 10 of snakelike mistake from the mistake cold working medium entrance 11 of the cold heat exchanger tube of snakelike mistake 10, discharge from the cold sender property outlet 12 of the mistake of the cold heat exchanger tube of snakelike mistake 10.The steam do not condensed discharges condensing heat exchanger by steam (vapor) outlet 9.Also be provided with two condensate liquids at low head 8 and go out pipe (131,132), the rate of discharge of condensation water is adjusted by two control valves (141,142) be located between low head 8 and condensate outlet, condensation liquid level is avoided to be increased in condensing heat-exchanging pipe, cause destroying the condensation heat transfer in pipe, excessively cold condensation water goes out conjoint outlet and the subcooled condensation liquid outlet 15 discharge heat exchanger of pipe (131,132) end through two condensate liquids.Condensation water collector 8 is provided with liquid level meter 16, and in order to observe the liquid level in condensation water collector 8, and then control condensation water exports 15 flows; And
(3) heat exchange of outer cooling unit (being cooled by cooling medium) is managed:
Cooling working medium enters in the cylinder of the first cylindrical shell 41 from cooling working medium entrance 17, manages outer cooling to the first heat exchanger tube 51, enters the second cylindrical shell 42 by U-shaped communicating pipe 18, and finally discharge from cooling working medium outlet 19, whole system is supported by support 20.
Preferred as one, mozzle (71,72) is light pipe, and the quantity of mozzle is no more than 1/10th of condensation heat transfer pipe quantity, the mouth of pipe of mozzle and tube sheet planar are in same level, and heat exchanger tube (51,52,53,54) then exceeds tube sheet 2-5cm.
Preferred as one, heat exchanger tube (51,52,53,54) is light pipe, interior wing pipe or inside and outside wing pipe, the length of heat exchanger tube at different levels is consistent, and heat exchanger tube quantity streamwise at different levels reduces gradually, and during to ensure that steam enters heat exchanger tube at different levels, flow velocity is basically identical for principle.
Low head (condensation water collector) outlet has two export pipelines being provided with control valve, be responsible for for liquid flows out for one, another is liquid outflow bypass pipe, by flowing out supervisor and bypass pipe control valve opening, control condensation liquid level about lower 1/2nd height of low head, avoid liquid level to decline and cause steam to enter in heat exchanger tube with condensation water outflow or liquid level rising.
Design and vapor-liquid separating device by utilizing short tube, make whole condensation process all can make full use of the high condensing heat-exchange ability of in-tube condensation entrance, improve the heat exchange property of whole condensing heat exchanger significantly, effectively reduce heat exchange area, avoid the generation of complicated flow pattern in whole system.Simultaneously by the design of super cooled sect, effectively prevent condensate liquid and again vaporize, expand the scope of application of condensing heat exchanger largely.Steam (vapor) outlet the rate of setting that can adjust steam is set, the two outlet of the condensate liquid that low head 8 is arranged and liquid level meter 16, effectively prevent liquid level and raise and enter in condensation heat transfer pipe and phenomenon that steam flows out with condensate liquid.
As mentioned above, embodiments of the invention are explained, obviously, as long as do not depart from fact inventive point of the present invention and effect, will be readily apparent to persons skilled in the art distortion, is also all included within protection scope of the present invention.

Claims (10)

1. an Overcold condensing heat exchanger, it is characterized in that, comprise condenser body, cooling unit and sub-cooling unit in pipe, described condenser body comprises canister unit and is located at the first end socket and second end socket of described cylindrical shell both sides, described first end socket is provided with steam inlet and steam (vapor) outlet, described canister unit comprises the first cylindrical shell and the second cylindrical shell, separated by gas-liquid separator between described first cylindrical shell and described second cylindrical shell, dividing plate is provided with in described first end socket, in described pipe, cooling unit is located in described canister unit, described sub-cooling unit is located at described second end socket.
2. Overcold condensing heat exchanger according to claim 1, is characterized in that, in described pipe, cooling unit comprises the first journey heat exchange unit, the second journey heat exchange unit, the 3rd journey heat exchange unit and quadruple pass heat exchange unit, wherein:
Be provided with the first heat exchanger tube in dividing plate first side of described first cylindrical shell, described first cylindrical shell and described first heat exchanger tube define the first journey heat exchange unit;
Be provided with the second heat exchanger tube in dividing plate first side of described second cylindrical shell, described second cylindrical shell and described second heat exchanger tube define the second journey heat exchange unit;
Be provided with the 3rd heat exchanger tube in dividing plate second side of described second cylindrical shell, described second cylindrical shell and described 3rd heat exchanger tube define the 3rd journey heat exchange unit;
Be provided with the 4th heat exchanger tube in dividing plate second side of described first cylindrical shell, described first cylindrical shell and described 4th heat exchanger tube define quadruple pass heat exchange unit;
In described second journey heat exchange unit, between described gas-liquid separator and described second end socket, be provided with the first mozzle, in described 3rd journey heat exchange unit, between described gas-liquid separator and described second end socket, be provided with the second mozzle.
3. Overcold condensing heat exchanger according to claim 1, it is characterized in that, described sub-cooling unit comprised cold heat exchanger tube and condensate liquid goes out pipe assembly, described second end socket is located at by the cold heat exchanger tube of described mistake, the two ends of the cold heat exchanger tube of described mistake were provided with cold working medium entrance and crossed cold sender property outlet, described mistake cold working medium entrance and the cold sender property outlet of described mistake stretch out outside described second end socket, the bottom of described second end socket is provided with the first condensate liquid and goes out pipe and the second condensate liquid goes out to manage, described first condensate liquid goes out pipe and described second condensate liquid goes out in pipe to be respectively equipped with the first control valve and the second control valve, described first condensate liquid goes out pipe and described second condensate liquid and goes out manifold and gather and have common subcooled condensation liquid to export.
4. Overcold condensing heat exchanger according to claim 3, is characterized in that, the cold heat exchanger tube of described mistake is serpentine configuration.
5. Overcold condensing heat exchanger according to claim 1, it is characterized in that, also comprise the outer cooling unit of pipe, the outer cooling unit of described pipe comprises the first cylindrical shell, the second cylindrical shell and communicating pipe, described first cylindrical shell is provided with cooling working medium entrance, described second cylindrical shell is provided with cooling working medium outlet, and described first cylindrical shell is connected by described communicating pipe with the inner chamber of described second cylindrical shell.
6. Overcold condensing heat exchanger according to claim 5, is characterized in that, described communicating pipe is U-shaped structure.
7. a heat-exchange method for Overcold condensing heat exchanger, is characterized in that, comprises the heat exchange of cooling unit and the heat exchange of sub-cooling unit in pipe, wherein:
In described pipe, the heat transfer process of cooling unit is specially:
Superheated steam enters the first end socket of condensing heat exchanger from steam inlet, dividing plate is provided with in first end socket, superheated steam is made only to enter the first cylindrical shell of body from partial cross section, the first heat exchanger tube is provided with in first cylindrical shell, superheated steam enters the first journey heat exchange unit in the first heat exchange intraductal heat exchange condensation, residual steam and condensate liquid is become after superheated steam heat exchange condensation, residual steam and condensate liquid enter in the condensate liquid gas-liquid separator between the first cylindrical shell and the second cylindrical shell, condensate liquid is directed in condensation water collector via the first mozzle, residual steam enters the second journey heat exchange unit, namely the second heat exchanger tube in the second cylindrical shell carries out further condensation, achieve vapor-liquid separation, after the second heat exchanger tube condensing heat-exchange, the condensate liquid obtained flows in condensation water collector automatically, the residual steam obtained enters in the 3rd journey heat exchange unit i.e. the 3rd heat exchanger tube carries out heat exchange, again vapor-liquid separation is realized in gas-liquid separator, the condensation water obtained is back in condensation water collector, the residual steam obtained enters quadruple pass heat exchange unit i.e. the 4th heat exchanger tube, and the residual steam finally obtained is discharged from steam (vapor) outlet, condensate liquid now in condensation water collector is in saturation state,
The heat transfer process of described sub-cooling unit is specially:
Adopted cold heat exchanger tube to carry out cold at the second end socket place, and crossed cold working medium and entered cold heat exchanger tube from the mistake cold working medium entrance crossing cold heat exchanger tube, discharge from the cold sender property outlet of the mistake crossing cold heat exchanger tube, the steam do not condensed discharges condensing heat exchanger by steam (vapor) outlet; Also be provided with two condensate liquids at the second end socket and go out pipe, the rate of discharge of condensation water is adjusted by being located at the first control valve between the second end socket and condensate outlet and the second control valve, condensation liquid level is avoided to be increased in condensing heat-exchanging pipe, cause destroying the condensation heat transfer in pipe, excessively cold condensation water goes out through the first condensate liquid conjoint outlet and the subcooled condensation liquid outlet discharge heat exchanger that pipe and the second condensate liquid go out pipe end; Condensation water collector is provided with liquid level meter, in order to observe the liquid level in condensation water collector, and then controls condensation water rate of discharge.
8. the heat-exchange method of Overcold condensing heat exchanger according to claim 7, is characterized in that, the cold heat exchanger tube of described mistake is serpentine configuration.
9. the heat-exchange method of Overcold condensing heat exchanger according to claim 7, is characterized in that, also comprises the heat exchange of managing outer cooling unit, and the heat transfer process of the outer cooling unit of described pipe is specially:
Cooling working medium enters in the cylinder of the first cylindrical shell from cooling working medium entrance, manages outer cooling to the first heat exchanger tube, and by entering the second cylindrical shell communicating pipe, finally discharge from cooling working medium outlet, whole system is supported by support.
10. the heat-exchange method of Overcold condensing heat exchanger according to claim 9, is characterized in that, described communicating pipe is U-shaped structure.
CN201410725789.7A 2014-12-03 2014-12-03 A kind of Overcold condensing heat exchanger and heat-exchange method thereof Active CN104390495B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410725789.7A CN104390495B (en) 2014-12-03 2014-12-03 A kind of Overcold condensing heat exchanger and heat-exchange method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410725789.7A CN104390495B (en) 2014-12-03 2014-12-03 A kind of Overcold condensing heat exchanger and heat-exchange method thereof

Publications (2)

Publication Number Publication Date
CN104390495A true CN104390495A (en) 2015-03-04
CN104390495B CN104390495B (en) 2016-09-07

Family

ID=52608431

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410725789.7A Active CN104390495B (en) 2014-12-03 2014-12-03 A kind of Overcold condensing heat exchanger and heat-exchange method thereof

Country Status (1)

Country Link
CN (1) CN104390495B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105973020A (en) * 2016-06-29 2016-09-28 上海立得催化剂有限公司 Sectional type condensation heat exchanger rich in volatile organic gas
CN106595131A (en) * 2016-12-27 2017-04-26 天津商业大学 Vertical direct contact condensation supercooled heat exchanger
CN107356128A (en) * 2017-09-07 2017-11-17 深圳市蓝豆芽科技有限公司 A kind of separate assembling condensing unit applied to Chemical Manufacture
CN107747882A (en) * 2017-11-17 2018-03-02 四川沃姆斯科技有限公司 A kind of efficient combined-type shell side condenser
CN109682127A (en) * 2019-01-28 2019-04-26 江苏一万节能科技股份有限公司 A kind of energy-efficient multiloop evaporator
CN110822947A (en) * 2018-08-13 2020-02-21 孚雷德(北京)蒸汽节能技术有限公司 Novel steam cooling energy-saving equipment
CN115247798A (en) * 2022-07-20 2022-10-28 北京基亚特环保科技有限公司 Waste incineration flue gas treatment device with waste heat utilization mechanism

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1326978A (en) * 1971-06-07 1973-08-15 Svenska Maskinverken Ab Tube heat exchanger
CN2872269Y (en) * 2005-11-22 2007-02-21 淄博创尔沃中央空调有限公司 Improved equal flow-speed gas-liquid heat exchanger
CN1975311A (en) * 2006-09-22 2007-06-06 清华大学 Liquid separating air condenser
CN202274773U (en) * 2011-10-20 2012-06-13 河北凯跃化工集团有限公司 Inserted type array tube and heat tube combined heat exchanger

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1326978A (en) * 1971-06-07 1973-08-15 Svenska Maskinverken Ab Tube heat exchanger
CN2872269Y (en) * 2005-11-22 2007-02-21 淄博创尔沃中央空调有限公司 Improved equal flow-speed gas-liquid heat exchanger
CN1975311A (en) * 2006-09-22 2007-06-06 清华大学 Liquid separating air condenser
CN202274773U (en) * 2011-10-20 2012-06-13 河北凯跃化工集团有限公司 Inserted type array tube and heat tube combined heat exchanger

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105973020A (en) * 2016-06-29 2016-09-28 上海立得催化剂有限公司 Sectional type condensation heat exchanger rich in volatile organic gas
CN106595131A (en) * 2016-12-27 2017-04-26 天津商业大学 Vertical direct contact condensation supercooled heat exchanger
CN107356128A (en) * 2017-09-07 2017-11-17 深圳市蓝豆芽科技有限公司 A kind of separate assembling condensing unit applied to Chemical Manufacture
CN107747882A (en) * 2017-11-17 2018-03-02 四川沃姆斯科技有限公司 A kind of efficient combined-type shell side condenser
CN110822947A (en) * 2018-08-13 2020-02-21 孚雷德(北京)蒸汽节能技术有限公司 Novel steam cooling energy-saving equipment
CN109682127A (en) * 2019-01-28 2019-04-26 江苏一万节能科技股份有限公司 A kind of energy-efficient multiloop evaporator
CN109682127B (en) * 2019-01-28 2024-05-14 江苏一万节能科技股份有限公司 High-efficiency energy-saving multi-loop evaporator
CN115247798A (en) * 2022-07-20 2022-10-28 北京基亚特环保科技有限公司 Waste incineration flue gas treatment device with waste heat utilization mechanism

Also Published As

Publication number Publication date
CN104390495B (en) 2016-09-07

Similar Documents

Publication Publication Date Title
CN104390495A (en) Undercooling type condensation heat exchanger and heat exchange method thereof
CN103808185B (en) A kind of efficient heat-exchanging pipe and evaporative condenser thereof
CN201093904Y (en) Inorganic heat tube spraying condenser
CN204359159U (en) A kind of horizontal condensing heat exchanger
CN108721926B (en) Horizontal pipe falling film evaporator
CN110631391B (en) Shell-and-tube phase-change heat exchanger with dryness regulation function
CN202614007U (en) Horizontal condensing apparatus
US11725856B2 (en) Refrigerant processing unit, a method for evaporating a refrigerant and use of a refrigerant processing unit
CN104930882A (en) U-shaped pipe energy-saving heater for heating network
CN102384682B (en) Internal-circulation special high-efficiency heat exchanger
CN106052412B (en) A kind of ship barometric condenser device of use silk screen separation method optimization design
CN204705242U (en) Energy-conservation heat exchangers for district heating
WO2021012936A1 (en) Plate heat exchanger having flow-dividing plate path
CN104457309B (en) A kind of tubular condensing heat exchanger and heat-exchange method thereof
CN109458853A (en) A kind of condensing heat exchanger with U-shaped vapor-liquid separating structure
CN104390496A (en) Vertical type condensing heat exchanger and heat exchange method thereof
CN203413983U (en) Plate type evaporation condenser
CN102022870A (en) Method for improving supercooling degree of screw machine set and screw machine set adopting same
CN205878936U (en) Adopt boats and ships atmosphere condenser device of silk screen separation method optimal design
CN103344135B (en) Plate type evaporative condenser
CN209512337U (en) A kind of New Refrigerating condenser
CN209495488U (en) Helical heat exchanger
CN203501830U (en) Condenser
CN202254987U (en) Special efficient heat exchanger
CN104214997A (en) Tubular evaporator with two ends for dividing and gas guiding

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180207

Address after: 352101 1805 rooms, 1-1 Hua Jingjia garden, City East Road, Chengnan Town, Jiaocheng District, Ningde, Fujian

Patentee after: Fujian blue sea energy saving Technology Co., Ltd.

Address before: 100044 Beijing city Haidian District Xizhimen Shangyuan Village No. 3

Patentee before: Beijing Jiaotong University