CN208579347U - A kind of heat exchanger tube for air heating - Google Patents

A kind of heat exchanger tube for air heating Download PDF

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Publication number
CN208579347U
CN208579347U CN201821044441.1U CN201821044441U CN208579347U CN 208579347 U CN208579347 U CN 208579347U CN 201821044441 U CN201821044441 U CN 201821044441U CN 208579347 U CN208579347 U CN 208579347U
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China
Prior art keywords
heat exchange
heat exchanger
exchange tubes
heat
layer
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CN201821044441.1U
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Inventor
余小红
戎恒军
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Wuxi All-In-One Energy Science Co Ltd
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Wuxi All-In-One Energy Science Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The utility model discloses a kind of heat exchanger tubes for air heating, including air to heat tube channel, and the air duct both ends in the air heating tube channel are respectively air heated inlet and hot air outlet;It along air duct extending direction successively include high-temperature steam heat exchange unit, boiler wastewater heat exchange unit and boiler smoke heat exchange unit in air heating tube channel;The utility model has the advantages of simple structure, the energy in boiler wastewater and boiler exhaust gas is made full use of during to air preheat, it plays the role of energy saving, integration is connected with two panels zigzag heat exchanger plates between adjacent two heat exchanger tube in every layer of set of heat exchange tubes simultaneously, the zigzag heat exchanger plates increase the heat exchange area in heat exchanger channels, while reducing gas-flow resistance as far as possible.

Description

A kind of heat exchanger tube for air heating
Technical field
The utility model belongs to field of heat exchange more particularly to a kind of heat exchanger tube for air heating.
Background technique
Industrial steam boiler generally requires during combustion air enters furnace chamber to reach better combustion efficiency Cold air is preheated, generally requires to use additional heat in this way;
Often containing in the flue gas and boiler wastewater discharge process of industrial steam boiler has a large amount of thermal energy, does not have in the prior art Have and its heat integration is got up abundant recycling well.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides one kind energy-efficient one Heat exchanger tube of the kind for air heating.
Technical solution: to achieve the above object, a kind of heat exchanger tube for air heating of the utility model, including air Tube channel is heated, the air duct both ends in the air heating tube channel are respectively air heated inlet and hot air outlet; It along air duct entirety air-flow extending direction successively include that high-temperature steam heat exchange unit, boiler are useless in air heating tube channel Water heat exchange unit and boiler smoke heat exchange unit;The steam inlet end of the steam heat-exchanging unit connects high-temperature steam supply pipe, The condensed water outlet side of the steam heat-exchanging unit connects condensation flow outlet pipe;The water inlet end of the boiler wastewater heat exchange unit connects Hot waste water supply pipe is connect, the waste water outlet side of the boiler wastewater heat exchange unit connects wastewater discharge pipe;The boiler smoke The flue gas inlet end of heat exchange unit connects high-temperature flue gas supply pipe, and the smoke evacuation end of the boiler smoke heat exchange unit connects smoke evacuation Pipe.
Further, the high-temperature steam heat exchange unit, boiler wastewater heat exchange unit and boiler smoke heat exchange unit by At least four layers of set of heat exchange tubes are constituted;Four layers of set of heat exchange tubes equidistant array distribution along the longitudinal direction, adjacent two layers heat exchanger tube Heat exchanger channels are formed between group;
Four layers of set of heat exchange tubes successively include first layer set of heat exchange tubes, second layer set of heat exchange tubes, third layer under upper Set of heat exchange tubes and the 4th layer of set of heat exchange tubes;One end connection connection supply pipe of the first layer set of heat exchange tubes, the first layer change The other end of heat pipe heat is connected to one end of the second layer set of heat exchange tubes by First Transition pipe, the second layer set of heat exchange tubes The other end is connected to one end of the third layer set of heat exchange tubes by the second coupling tube, and the other end of the third layer set of heat exchange tubes is logical One end that third coupling tube is connected to the 4th layer of set of heat exchange tubes is crossed, the other end of the 4th layer of set of heat exchange tubes is connected to discharge Pipe.
Further, every layer of set of heat exchange tubes is made of the heat exchanger tube of several horizontally-parallel array distributions, each heat exchanger tube Length direction and the air heating air duct direction of tube channel it is vertical;Adjacent two heat exchanger tube in every layer of set of heat exchange tubes Between integration be connected with two panels zigzag heat exchanger plates, the parallelly distribute on setting up and down of zigzag heat exchanger plates described in two panels, wherein two Zigzag heat exchanger plates described in piece include upper piece heat exchanger plates and bottom sheet heat exchanger plates;Height where the serration tips of upper piece heat exchanger plates It is equal with height where the cross section top for the heat exchanger tube being connect;Height where the sawtooth bottom end of the bottom sheet heat exchanger plates and institute Height is equal where the cross section bottom end of the heat exchanger tube of connection.
Further, the both ends of each heat exchanger tube in every layer of set of heat exchange tubes are connected with current divider box jointly.
The utility model has the advantages that the utility model has the advantages of simple structure, made full use of during to air preheat boiler wastewater and Energy in boiler exhaust gas, plays the role of energy saving, while one between adjacent two heat exchanger tube in every layer of set of heat exchange tubes Change is connected with two panels zigzag heat exchanger plates, which increases the heat exchange area in heat exchanger channels, while as far as possible Reduce gas-flow resistance.
Detailed description of the invention
Attached drawing 1 is the utility model entirety first structure diagram;
Attached drawing 2 is whole second structural schematic diagram of the utility model;
Attached drawing 3 is that the utility model entirety solid cuts open schematic diagram;
Attached drawing 4 is high-temperature steam heat exchange unit, and one in boiler wastewater heat exchange unit and boiler smoke heat exchange unit is changed The first schematic diagram of structure of hot cell;
Attached drawing 5 is high-temperature steam heat exchange unit, and one in boiler wastewater heat exchange unit and boiler smoke heat exchange unit is changed The second schematic diagram of structure of hot cell;
Attached drawing 6 is the longitudal section schematic diagram of attached drawing 4.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
A kind of heat exchanger tube for air heating as shown in attached drawing 1 to 6, including air heat tube channel 6, the air The air duct both ends heated in tube channel 6 are respectively air heated inlet 4 and hot air outlet 5;The air heats channel It along air duct entirety air-flow extending direction successively include high-temperature steam heat exchange unit 9,7 and of boiler wastewater heat exchange unit in pipe 6 Boiler smoke heat exchange unit 8;The steam inlet end of the steam heat-exchanging unit 9 connects high-temperature steam supply pipe 1.1, the present embodiment In high-temperature steam supply pipe 1.1 in high-temperature steam carry out the high-temperature steam as Industrial Boiler, the steam heat-exchanging unit 9 Condensed water outlet side connects condensation flow outlet pipe 2.1;The water inlet end connection hot waste water supply of the boiler wastewater heat exchange unit 7 Pipe 1.3, the hot waste water of the present embodiment high temperature waste water supply pipe 1.3 are described from the hot waste water being just discharged from boiler The waste water outlet side of boiler wastewater heat exchange unit 7 connects wastewater discharge pipe 2.3;The flue gas of the boiler smoke heat exchange unit 8 into Gas end connects high-temperature flue gas supply pipe 1.2, the high temperature cigarette that the high-temperature flue gas of the present embodiment is discharged from the combustion tail gas of boiler The smoke evacuation end of gas, the boiler smoke heat exchange unit 8 connects smoke exhaust pipe 2.2;High-temperature steam heat exchange unit 9 is after encountering cold air Other than the exothermic effect of simple heat transfer, the high-temperature vapor flowed through inside high-temperature steam heat exchange unit 9 is also It can occur to condense exothermic phenomenon;Due to the air at the air heated inlet 4 be in entire air heating tube channel 6 temperature compared with Low position is conducive to improve the steam condensation efficiency in high-temperature steam heat exchange unit 9, makes high-temperature steam heat exchange unit 9 into can Releasing heat more than energy.
The high-temperature steam heat exchange unit 9, boiler wastewater heat exchange unit 7 and boiler smoke heat exchange unit 8 are by least four Layer set of heat exchange tubes is constituted;Four layers of set of heat exchange tubes equidistant array distribution along the longitudinal direction, between adjacent two layers set of heat exchange tubes Form heat exchanger channels 16;Air can heat during flowing through heat exchanger channels 16 by upper layer and lower layer set of heat exchange tubes.
As shown in figure 4, four layers of set of heat exchange tubes successively include that first layer set of heat exchange tubes 18, the second layer exchange heat under upper Pipe group 19, third layer set of heat exchange tubes 21 and the 4th layer of set of heat exchange tubes 20;One end of the first layer set of heat exchange tubes 18 is connected to connection The other end of supply pipe 1, the first layer set of heat exchange tubes 18 is connected to the second layer set of heat exchange tubes 19 by First Transition pipe 10 One end, the other end of the second layer set of heat exchange tubes 19 is connected to the third layer set of heat exchange tubes 21 by the second coupling tube 12 The other end of one end, the third layer set of heat exchange tubes 21 is connected to the one of the 4th layer of set of heat exchange tubes 20 by third coupling tube 11 The other end at end, the 4th layer of set of heat exchange tubes 20 is connected to discharge pipe 2;And then it is connected to four layers of set of heat exchange tubes head and the tail;This implementation In example: supply pipe 1 corresponding to high-temperature steam heat exchange unit 9, boiler wastewater heat exchange unit 7 and boiler smoke heat exchange unit 8 is divided It Wei not high-temperature steam supply pipe 1.1, hot waste water supply pipe 1.3 and high-temperature flue gas supply pipe 1.2;In the present embodiment: high temperature steams Discharge pipe 2 corresponding to vapour heat exchange unit 9, boiler wastewater heat exchange unit 7 and boiler smoke heat exchange unit 8 is respectively condensation flow Outlet pipe 2.1, wastewater discharge pipe 2.3 and smoke exhaust pipe 2.2.
Every layer of set of heat exchange tubes is made of the heat exchanger tube 15 of several horizontally-parallel array distributions, the length of each heat exchanger tube 15 Direction is vertical with the air heating air duct direction of tube channel 6;Adjacent two heat exchanger tube 15 in every layer of set of heat exchange tubes it Between integration be connected with two panels zigzag heat exchanger plates 23, about 23 parallelly distribute on of zigzag heat exchanger plates described in two panels setting, wherein Zigzag heat exchanger plates 23 described in two panels include upper piece heat exchanger plates 23.2 and bottom sheet heat exchanger plates 23.1;On upper piece heat exchanger plates 23.2 Serration tips where height where height and the cross section top of heat exchanger tube 15 being connect it is equal;The bottom sheet heat exchanger plates Height where 23.1 sawtooth bottom end and height where the cross section bottom end for the heat exchanger tube 15 being connect are equal, and each zigzag is changed The setting and distribution of hot plate 23 make each heat exchanger channels 16 form independent horizontal channel, and 16 channelling of adjacent heat exchange channel is avoided to make At turbulent drag, and then increase air drag, while its heat exchange area has been significantly greatly increased in its sawtooth form, changes to increase Thermal effect, the zigzag heat exchanger plates 23 of the present embodiment are copper metal material.
The both ends of each heat exchanger tube 15 in every layer of set of heat exchange tubes are connected with current divider box 13, the current divider box jointly 13 cavity body structures;The shunting and confluence of each heat exchanger tube 15 of the current divider box 13 in every layer of set of heat exchange tubes.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (4)

1. a kind of heat exchanger tube for air heating, it is characterised in that: heat tube channel (6) including air, the air heating Air duct both ends in tube channel (6) are respectively air heated inlet (4) and hot air outlet (5);The air heating is logical It along air duct entirety air-flow extending direction successively include that high-temperature steam heat exchange unit (9), boiler wastewater heat exchange are single in deferent (6) First (7) and boiler smoke heat exchange unit (8);The steam inlet end of the steam heat-exchanging unit (9) connects high-temperature steam supply pipe (1.1), the condensed water outlet side of the steam heat-exchanging unit (9) connects condensation flow outlet pipe (2.1);The boiler wastewater heat exchange The water inlet end of unit (7) connects hot waste water supply pipe (1.3), and the waste water outlet side of the boiler wastewater heat exchange unit (7) connects Connect wastewater discharge pipe (2.3);The flue gas inlet end of the boiler smoke heat exchange unit (8) connects high-temperature flue gas supply pipe (1.2), The smoke evacuation end of the boiler smoke heat exchange unit (8) connects smoke exhaust pipe (2.2).
2. a kind of heat exchanger tube for air heating according to claim 1, it is characterised in that: the high-temperature steam heat exchange Unit (9), boiler wastewater heat exchange unit (7) and boiler smoke heat exchange unit (8) are made of at least four layers of set of heat exchange tubes;Four layers The set of heat exchange tubes equidistant array distribution along the longitudinal direction forms heat exchanger channels (16) between adjacent two layers set of heat exchange tubes;
Four layers of set of heat exchange tubes successively include first layer set of heat exchange tubes (18), second layer set of heat exchange tubes (19), the from top to bottom Three layers of set of heat exchange tubes (21) and the 4th layer of set of heat exchange tubes (20);One end connection connection supply of the first layer set of heat exchange tubes (18) It manages (1), the other end of the first layer set of heat exchange tubes (18) is connected to the second layer set of heat exchange tubes by First Transition pipe (10) (19) other end of one end, the second layer set of heat exchange tubes (19) is connected to the third layer heat exchange by the second coupling tube (12) The other end of one end of pipe group (21), the third layer set of heat exchange tubes (21) is connected to described 4th layer by third coupling tube (11) The other end of one end of set of heat exchange tubes (20), the 4th layer of set of heat exchange tubes (20) is connected to discharge pipe (2).
3. it is according to claim 2 it is a kind of for air heating heat exchanger tube, it is characterised in that: if every layer of set of heat exchange tubes by The heat exchanger tube (15) for doing horizontally-parallel array distribution is constituted, and the length direction of each heat exchanger tube (15) and air heating are logical The air duct direction of deferent (6) is vertical;Integration is connected with two between adjacent two heat exchanger tube (15) in every layer of set of heat exchange tubes Piece zigzag heat exchanger plates (23), parallelly distribute on is arranged zigzag heat exchanger plates (23) described in two panels up and down, wherein sawtooth described in two panels Shape heat exchanger plates (23) include upper piece heat exchanger plates (23.2) and bottom sheet heat exchanger plates (23.1);The sawtooth of upper piece heat exchanger plates (23.2) Height where top and height where the cross section top for the heat exchanger tube (15) being connect are equal;The bottom sheet heat exchanger plates (23.1) Sawtooth bottom end where height where height and the cross section bottom end of heat exchanger tube (15) being connect it is equal.
4. a kind of heat exchanger tube for air heating according to claim 3, it is characterised in that: every layer of set of heat exchange tubes On the both ends of each heat exchanger tube (15) be connected with current divider box (13) jointly.
CN201821044441.1U 2018-07-03 2018-07-03 A kind of heat exchanger tube for air heating Active CN208579347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821044441.1U CN208579347U (en) 2018-07-03 2018-07-03 A kind of heat exchanger tube for air heating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821044441.1U CN208579347U (en) 2018-07-03 2018-07-03 A kind of heat exchanger tube for air heating

Publications (1)

Publication Number Publication Date
CN208579347U true CN208579347U (en) 2019-03-05

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CN201821044441.1U Active CN208579347U (en) 2018-07-03 2018-07-03 A kind of heat exchanger tube for air heating

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115342041A (en) * 2022-09-14 2022-11-15 广东鑫钻节能科技股份有限公司 Intelligent energy-saving air compression station

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115342041A (en) * 2022-09-14 2022-11-15 广东鑫钻节能科技股份有限公司 Intelligent energy-saving air compression station

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