CN201050955Y - Gas phase plate type heat exchanger - Google Patents

Gas phase plate type heat exchanger Download PDF

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Publication number
CN201050955Y
CN201050955Y CNU2007200383112U CN200720038311U CN201050955Y CN 201050955 Y CN201050955 Y CN 201050955Y CN U2007200383112 U CNU2007200383112 U CN U2007200383112U CN 200720038311 U CN200720038311 U CN 200720038311U CN 201050955 Y CN201050955 Y CN 201050955Y
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China
Prior art keywords
heat
heat exchanger
gas
core body
plate type
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Expired - Fee Related
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CNU2007200383112U
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Chinese (zh)
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莫立勤
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莫立勤
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Priority to CNU2007200383112U priority Critical patent/CN201050955Y/en
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Publication of CN201050955Y publication Critical patent/CN201050955Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a gas phase plate heat interchanger, which comprises a casing, a heat interchanger core body and an insulating layer which is arranged between the casing and the heat interchanger core body, the heat interchanger core body comprises molding heat transfer sheet spaces which are parallel arranged, two adjacent heat transfer sheet spaces form a heat transfer unit, a heat supply gas cavity which leads heat supply gas to parallel flow is formed at the middle of the heat transfer unit, a heating gas cavity which leads heating gas to parallel flow is formed between each unit, the two sides of the casing are respectively equipped with an inlet and an outlet of the heat supply gas cavity, and the upper portion of the casing is equipped with an inlet and an outlet of the heating gas cavity. The structure is compact, the thermal efficiency is high, the heat transfer film coefficient is high and is 2-3 times of a common tube array and a finned tube, and the application scope of the working temperature is 800 DGE C. The heat interchanger is particularly suitable for the gas phase waste heat recycling of low temperature about 100-200 DGE C and the gas phase heat exchange of high temperature about 500-800 DGE C, and the function of energy saving is obvious. The utility model plays a positive promoting role for the improvement of the heat energy utilization of Chinese industrial.

Description

Gas-phase plate type heat exchanger
One, technical field:
The utility model relates to a kind of industrial heat exchanger that is used for heat exchange or waste heat recovery, a kind of specifically gas-phase plate type heat exchanger.
Two, technical background:
Traditional plate type heat exchanger is considered for versatility, is processed into the independent plate chip architecture, because the clamping force when wanting anti-assembling, it must possess certain intensity, and this design feature has limited the reduction of its used sheet metal thickness.And reduce heat exchanger fin metal thickness one is in order to economize on material, the 2nd, in order to improve film coefficient of heat transfer, and then improve heat exchanger effectiveness.Thereby traditional plate type heat exchanger is big with the material amount, and heat transfer efficiency is not high.Owing to seal for guaranteeing, must use seal washer again when assembling, this makes its serviceability temperature scope be restricted, and generally is no more than 300 ℃.Present existing plate type heat exchanger all is such design basically on the market.Also there is the shortcoming that volume is big, floor space is big, big with the material amount, weight is big, manufacturing cost is high, the life-span is short inevitably in this design.In addition, because the life-span of existing heat exchanger is shorter, enterprise must overlapping investment purchase heat exchanger, and cost of investment is bigger.So existing plate type heat exchanger can't satisfy enterprise and the social technological requirement that gas phase is efficiently passed (changing) hot system.
Three, summary of the invention:
The purpose of this utility model provides a kind of compact conformation, thermal efficiency height, gas-phase plate type heat exchanger that the hot fluid operating temperature is high.
A kind of gas-phase plate type heat exchanger described in the utility model, it comprises the heat exchanger core body in housing and the housing, be provided with heat-insulation layer between housing and the heat exchanger core body, described heat exchanger core body is made up of the mold pressing heat exchange plate that is arranged in parallel, two adjacent heat exchange plates bend heat exchange unit of back welding formation in both sides up and down mutually, promptly form the heat supply air chamber that the heat supply gas level is flowed in the middle of the heat exchange unit, and between each unit in two ends, core body left and right sides welded closed, middle then have the gap and form the heated gas chamber make the heated gas perpendicular flow, the housing both sides are respectively equipped with the outlet of the import of heat supply air chamber and heat supply air chamber and communicate with the heat supply air chamber of each unit of heat exchanger core body, and housing top is provided with the import of heated gas chamber, heated gas chamber outlet also communicates with heated gas chamber between each unit of heat exchanger core body.
Heat exchange plate can be plane, single face ripple type or two-sided ripple type.
The heat exchange plate assembly welding has expansion joint, is used to eliminate the influence of thermal expansion.
The heat supply air chamber also can be designed to widely different streaming, or the heated gas chamber is reverse-flow type, or both adopt simultaneously.
The utility model adopts the stainless steel all-welded structure, its heat exchange core body is the heat exchanger fin that is formed by some aerodynamicallies arranging by the certain way combined parallel and the mold pressing of film coefficient of heat transfer principle, by the hermetically sealed heat exchanger core body that is welded and fused entirely around the heat exchanger fin.At first, corrosion resistant plate is molded into heat exchanger fin through metalworking, and heat exchanger fin the right and left is to a direction backfin limit, and arrange according to certain rules on the reverse backfin in both sides limit again up and down.The respectively full weldering of overlap in twos of the two ends, the left and right sides of heat exchanger fin, the two ends also complete respectively weldering of overlap in twos up and down makes that adjacent two lattice are isolated entirely, the orthogonal heat supply air chamber of gas traffic direction and heated gas chamber.The expansion joint structure that is welded is welded into stainless steel with assemblies such as shells again and welds gas-phase plate type heat exchanger entirely.
The utlity model has following advantage:
1, the utility model and fluid contact portion all adopt stainless steel material, solve SO 2The dew point corrosion problem can reclaim like this and is lower than 160 ℃ flue gas heat.
2, plate adopts full compression-molded structures, and heat exchange core body adopts full welding procedure, and intensity is big, and Stability Analysis of Structures is indeformable, and steel using amount only is tubulation and finned 1/3rd.
3, adopt the new type of plate chip architecture, improved the film coefficient of heat transfer of heat exchanger greatly, heat transfer efficiency is common tubulation and finned tube 2~3 times, and the total film coefficient of heat transfer of gas phase can reach more than the 40W/m2.k.
4, have facility compact, floor space is little, in light weight, easy for installation, can be installed on the building
5, equipment is all-welded structure, has solved the problem that sealing gasket leaks.
6, plate adopts the elasticity Welding Structure and adopts the expansion joint structure, has solved the problem owing to the thermal expansion damage equipment, so equipment can be used for high-temperature systems, the hot fluid maximum operating temperature can reach 800 ℃.
7, this utility model gas-gas plate type heat exchanger adopts modular project organization, can make up according to actual needs.The maximum assembling of separate unit area generally can reach 2000m 2(overlarge area and special construction require all can design).
8, adopt combination insulation material, equipment wall temperature≤60 ℃.
9, this heat exchanger cavity reasonable in design, fluid resistance is less, and the aerodynamic design between plate not only improves heat exchange efficiency, and the plate surface is difficult for forming the dirt layer because of dust stratification.
Four, description of drawings:
Fig. 1 is a front view of the present utility model;
Fig. 2 is the same cutaway view of the A-A of Fig. 1;
Fig. 3 is the vertical view of heat exchange core body;
Fig. 4 is the heat exchange core body structural representation;
Fig. 5 be among Fig. 4 B to partial enlarged drawing.
Five, the specific embodiment:
As Fig. 1-shown in Figure 5, a kind of gas-phase plate type heat exchanger described in the utility model, it mainly comprises heat exchanger core body in housing 1, the housing 1 and the heat-insulation layer between housing 1 and the heat exchanger core body; Wherein heat exchanger core body is made up of the mold pressing heat exchange plate that is arranged in parallel, and heat exchange plate is plane, single face ripple type or two-sided ripple type.Two adjacent heat exchange plates bend heat exchange unit of back welding formation in both sides up and down mutually, promptly form the heat supply air chamber 6 that the heat supply gas level is flowed in the middle of the heat exchange unit, and between each unit in the vertical two ends of core body welded closed, middle then have the gap and form the heated gas chamber 7 make the heated gas perpendicular flow, heat exchange plate also assembly welding expansion joint 9 arranged, solved the problem that thermal expansion in the course of work may damage equipment.Housing 1 both sides are provided with heat supply air chamber import 2 and heat supply air chamber outlet 3 and communicate with the heat supply air chamber 6 of each unit of heat exchanger core body, and housing 1 top is provided with heated gas chamber import 4, heated gas chamber outlet 5 and communicates with heated gas chamber 7 between each unit of heat exchanger core body.Fig. 1 has shown the flow direction of heat supply gas and heated gas, and the heat supply air chamber is crossed in the linear flow of heat supply gas level, and heated gas flows through the heated gas chamber perpendicular to the flow direction of heat supply gas.This modular designs is when heat transfer area is very big, and the heat supply air chamber also can be designed to widely different streaming, or the widely different streaming in heated gas chamber, or two are adopted simultaneously.
Current, country has further emphasized importance and the far reaching significance of energy-saving and cost-reducing work to whole national economy.This has also become the vital task of many enterprises.This utility model be exactly under such background for satisfying our own requirement to equipment, tackling key problems through us, development arises at the historic moment.This utility model will pass (changing) thermal efficiency in the raising system, strengthen playing irreplaceable positive role aspect the waste heat recovery as pushing society to.
(the total film coefficient of heat transfer of gas phase can reach 40W/m to the utility model because of its film coefficient of heat transfer is higher 2.k more than, be common tubulation and finned tube 2 ~ 3 times) and, make its temperature applicable range reach 800 ℃ because of its novel structure design.This heat exchanger is particularly suitable for the gas phase waste heat recovery of low temperature (about 100-200 ℃) and the gas phase heat exchange of high temperature (500-800 ℃), and the energy-saving and cost-reducing effect of other heat exchangers is much obvious than using.It can the whole heat energy utilization rate that promotes enterprise or heat-exchange system, will play positive impetus to the raising of the heat energy utilization rate of China's industry.

Claims (6)

1. gas-phase plate type heat exchanger, it comprises the heat exchanger core body in housing (1) and the housing (1), is provided with heat-insulation layer between housing (1) and the heat exchanger core body; It is characterized in that: described heat exchanger core body is made up of the mold pressing heat exchange plate that is arranged in parallel, two adjacent heat exchange plates bend heat exchange unit of back welding formation in both sides up and down mutually, promptly form the heat supply air chamber (6) that the heat supply gas level is flowed in the middle of the heat exchange unit, and between each unit in two ends, core body left and right sides welded closed, middle then have the gap and form the heated gas chamber (7) make the heated gas perpendicular flow, housing (1) both sides are respectively equipped with heat supply air chamber import (2) and heat supply air chamber outlet (3) and communicate with the heat supply air chamber (6) of each unit of heat exchanger core body, and housing (1) top is provided with heated gas chamber import (4), heated gas chamber outlet (5) also communicates with heated gas chamber (7) between each unit of heat exchanger core body.
2. gas-phase plate type heat exchanger according to claim 1 is characterized in that: heat exchange plate is plane, single face ripple type or two-sided ripple type.
3. gas-phase plate type heat exchanger according to claim 1 and 2 is characterized in that: the heat exchange plate assembly welding has to eliminate the expansion joint (9) of thermal expansion influence.
4. gas-phase plate type heat exchanger according to claim 1 and 2 is characterized in that: heat supply air chamber (6) is a streaming or a widely different streaming structure.
5. gas-phase plate type heat exchanger according to claim 1 and 2 is characterized in that: heated gas chamber (7) are widely different streaming structure.
6. gas-phase plate type heat exchanger according to claim 1 and 2 is characterized in that: heat supply air chamber (6) and heated gas chamber (7) all are widely different streaming structure.
CNU2007200383112U 2007-06-18 2007-06-18 Gas phase plate type heat exchanger Expired - Fee Related CN201050955Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200383112U CN201050955Y (en) 2007-06-18 2007-06-18 Gas phase plate type heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200383112U CN201050955Y (en) 2007-06-18 2007-06-18 Gas phase plate type heat exchanger

Publications (1)

Publication Number Publication Date
CN201050955Y true CN201050955Y (en) 2008-04-23

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Application Number Title Priority Date Filing Date
CNU2007200383112U Expired - Fee Related CN201050955Y (en) 2007-06-18 2007-06-18 Gas phase plate type heat exchanger

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CN (1) CN201050955Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101672587B (en) * 2009-09-28 2011-05-04 南京宜热纵联节能科技有限公司 Gas-phase plate type heat exchanger
CN102161061A (en) * 2010-12-09 2011-08-24 中山市奥美森工业有限公司 Bending method of fin tube type heat exchanger
CN102278903A (en) * 2011-08-16 2011-12-14 李永堂 Plate-type heat exchanger
CN103727830A (en) * 2013-12-31 2014-04-16 成都恒润高新科技有限公司 Thermal energy recycling heat exchanger
CN105973043A (en) * 2016-06-30 2016-09-28 广州捷玛换热设备有限公司 High-temperature gas-gas heat exchanger
CN107218621A (en) * 2017-07-20 2017-09-29 福建立信换热设备制造股份公司 A kind of preheater for having compensator protection structure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101672587B (en) * 2009-09-28 2011-05-04 南京宜热纵联节能科技有限公司 Gas-phase plate type heat exchanger
CN102161061A (en) * 2010-12-09 2011-08-24 中山市奥美森工业有限公司 Bending method of fin tube type heat exchanger
CN102278903A (en) * 2011-08-16 2011-12-14 李永堂 Plate-type heat exchanger
CN103727830A (en) * 2013-12-31 2014-04-16 成都恒润高新科技有限公司 Thermal energy recycling heat exchanger
CN103727830B (en) * 2013-12-31 2015-08-05 成都恒润高新科技有限公司 A kind of thermal energy recovery heat exchanger
CN105973043A (en) * 2016-06-30 2016-09-28 广州捷玛换热设备有限公司 High-temperature gas-gas heat exchanger
CN107218621A (en) * 2017-07-20 2017-09-29 福建立信换热设备制造股份公司 A kind of preheater for having compensator protection structure

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080423

Termination date: 20140618

EXPY Termination of patent right or utility model