CN107543198A - A kind of air preheater to be exchanged heat using boiler smoke - Google Patents

A kind of air preheater to be exchanged heat using boiler smoke Download PDF

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Publication number
CN107543198A
CN107543198A CN201610480520.6A CN201610480520A CN107543198A CN 107543198 A CN107543198 A CN 107543198A CN 201610480520 A CN201610480520 A CN 201610480520A CN 107543198 A CN107543198 A CN 107543198A
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CN
China
Prior art keywords
heat
heat exchanger
air
exchanger tube
under control
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Pending
Application number
CN201610480520.6A
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Chinese (zh)
Inventor
谷哲学
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Harbin Jinjing Boiler Co Ltd
Original Assignee
Harbin Jinjing Boiler Co Ltd
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 Harbin Jinjing Boiler Co Ltd filed Critical Harbin Jinjing Boiler Co Ltd
Priority to CN201610480520.6A priority Critical patent/CN107543198A/en
Publication of CN107543198A publication Critical patent/CN107543198A/en
Pending legal-status Critical Current

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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

A kind of air preheater to be exchanged heat using boiler smoke, including filtering heat exchanger tube, smoke inlet pipe, flue gas exhaust pipe, air intake duct, air exhaust duct, filtering heat exchanger tube bottom middle device smoke inlet pipe, top middle device flue gas exhaust pipe, upper right end device air intake duct, lower-left end device air exhaust duct;It is made up of inside the filtering heat exchanger tube Ji Yan filter chambers, Heat Room, the collection cigarette filtering chamber device is filtering heat exchanger tube inner upper end in filtering heat exchanger tube interior lower end, the heat exchange chamber device, and Ji Yan filter chambers top connects Heat Room by appendix;Connection smoke inlet pipe among Ji Yan filter chambers bottom;Connection flue gas exhaust pipe among the Heat Room top;The Heat Room upper right side connects air intake duct, lower-left end connection air exhaust duct.The present invention effectively can carry out preheating heating using boiler smoke to cold air, be easy to air fuel is more fully burnt after entering boiler internal.

Description

A kind of air preheater to be exchanged heat using boiler smoke
Technical field
The present invention relates to a kind of air preheater, more particularly to a kind of air preheater to be exchanged heat using boiler smoke.
Background technology
On traditional structure, the combustion air that helps of various boilers is all the direct cold wind for absorbing the external world, and cold wind is unfavorable for burning, certain heat energy can also be expended, during especially with low calorie fuels, furnace temperature does not reach requirement, does not reach the effect of energy-conservation, and typically all contain substantial amounts of heat energy in boiler smoke, and for these heat energy, it is largely to waste if be not used, also, the heat in boiler smoke can also cause thermal pollution to air.
The content of the invention
It is an object of the invention to provide a kind of air preheater to be exchanged heat using boiler smoke, preheating heating effectively can be carried out to cold air using boiler smoke, it is easy to air fuel is more fully burnt after entering boiler internal, the advantages of with good effect of heat exchange, efficiency high, and tentatively the impurity in flue gas can be filtered, and flue-gas temperature is reduced, prevent the generation of thermal pollution.
The purpose of the present invention is achieved through the following technical solutions:
A kind of air preheater to be exchanged heat using boiler smoke, including filtering heat exchanger tube, smoke inlet pipe, flue gas exhaust pipe, air intake duct, air exhaust duct, filtering heat exchanger tube bottom middle device smoke inlet pipe, top middle device flue gas exhaust pipe, upper right end device air intake duct, lower-left end device air exhaust duct;It is made up of inside the filtering heat exchanger tube Ji Yan filter chambers, Heat Room, the collection cigarette filtering chamber device is filtering heat exchanger tube inner upper end in filtering heat exchanger tube interior lower end, the heat exchange chamber device, and Ji Yan filter chambers top connects Heat Room by appendix;Connection smoke inlet pipe among Ji Yan filter chambers bottom;Connection flue gas exhaust pipe among the Heat Room top;The Heat Room upper right side connects air intake duct, lower-left end connection air exhaust duct.
Three layers of stainless steel metal screen pack above and below Ji Yan filter chambers interior arrangement.
The Heat Room interior arrangement multiple row heat exchanger tube, it is made up of left heat exchange area under control, middle heat exchange area under control, right heat exchange area under control;From top to bottom three pieces of device carries the metal separators that multiple heat exchanger tubes are perforated in the left heat exchange area under control, is interspersed on the heat exchanger tube inside left heat transfer zone;From top to bottom four pieces of device carries the metal separators that multiple heat exchanger tubes are perforated in the middle heat exchange area under control, is interspersed on the heat exchanger tube inside middle heat transfer zone;From top to bottom five pieces of device carries the metal separators that multiple heat exchanger tubes are perforated in the right heat exchange area under control, is interspersed on the heat exchanger tube inside right heat transfer zone.
Three pieces of metal separators inside the left left heat exchange area under control in heat exchange area under control, four pieces of metal separators inside middle heat exchange area under control, five pieces of metal separators inside right heat exchange area under control are all arranged at intervals.
Device air bleeding valve in the air exhaust duct.
Each one buffering air box of device of upper and lower ends inside the Heat Room, the multiple row heat exchanger tube upper and lower ends mouth of pipe distinguish device on buffering air box, the lower end buffering air box bottom connecting gas transmission pipe, upper end buffering air box top connection flue gas exhaust pipe.
A kind of air preheater to be exchanged heat using boiler smoke of the present invention, when in use, smoke inlet pipe is connected on boiler chimney, flue gas is entered to inside the Ji Yan filter chambers inside the present apparatus from smoke inlet pipe first, fall granule foreign by multilayer stainless steel metal filter screen filtration, then flue gas is entered to inside Heat Room through appendix, buffered gas tank is entered in more heat exchanger tubes, simultaneously, cold air is entered to inside Heat Room from air intake duct, reach the purpose of heat exchange, after heat exchange, flue gas hides the discharge of flue gas exhaust pipe, air after preheating heating is discharged from air exhaust duct.
Beneficial effects of the present invention:A kind of air preheater to be exchanged heat using boiler smoke of the present invention, preheating heating effectively can be carried out to cold air using boiler smoke, it is easy to air fuel is more fully burnt after entering boiler internal, the advantages of with good effect of heat exchange, efficiency high, and tentatively the impurity in flue gas can be filtered, and flue-gas temperature is reduced, prevent the generation of thermal pollution.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
In figure, 1- filtering heat exchanger tubes;2- smoke inlet pipes;3- flue gas exhaust pipes;4- air intake ducts;5- air exhaust ducts;6- Ji Yan filter chambers;7- Heat Rooms;8- appendixs;9- stainless steel metal screen packs;10- heat exchanger tubes;The left heat exchange areas under control of 11-;Exchange heat area under control in 12-;The right heat exchange areas under control of 13-;14- metal separators;15- air bleeding valves;16- buffering air boxes.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, a kind of air preheater to be exchanged heat using boiler smoke, including filtering heat exchanger tube 1, smoke inlet pipe 2, flue gas exhaust pipe 3, air intake duct 4, air exhaust duct 5, the filtering bottom middle device smoke inlet pipe 2 of heat exchanger tube 1, top middle device flue gas exhaust pipe 3, upper right end device air intake duct 4, lower-left end device air exhaust duct 5;It is made up of inside the filtering heat exchanger tube 1 Ji Yan filter chambers 6, Heat Room 7, the device of Ji Yan filter chambers 6 is in the filtering interior lower end of heat exchanger tube 1, the device of Heat Room 7 connects Heat Room 7 on the filtering inner upper end of heat exchanger tube 1, the top of Ji Yan filter chambers 6 by appendix 8;Connection smoke inlet pipe 2 among the bottom of Ji Yan filter chambers 6;Connection flue gas exhaust pipe 3 among the top of Heat Room 7;The upper right side of Heat Room 7 connects air intake duct 4, lower-left end connection air exhaust duct 5.
Embodiment 2
As shown in figure 1, three layers of stainless steel metal screen pack 9 above and below the interior arrangement of Ji Yan filter chambers 6.
Embodiment 3
As shown in figure 1, the interior arrangement multiple row heat exchanger tube 10 of Heat Room 7, is made up of left heat exchange area under control 11, middle heat exchange area under control 12, right heat exchange area under control 13;From top to bottom three pieces of device carries the metal separators 14 that multiple heat exchanger tubes are perforated in the left heat exchange area under control 11, is interspersed on the heat exchanger tube 10 inside left heat transfer zone;From top to bottom four pieces of device carries the metal separators 14 that multiple heat exchanger tubes are perforated in the middle heat exchange area under control 12, is interspersed on the heat exchanger tube 10 inside middle heat transfer zone;From top to bottom five pieces of device carries the metal separators 14 that multiple heat exchanger tubes are perforated in the right heat exchange area under control 13, is interspersed on the heat exchanger tube 10 inside right heat transfer zone.
Embodiment 4
As shown in figure 1, three pieces of metal separators 14 inside the left left heat exchange area under control 11 in heat exchange area under control 11, four pieces of metal separators 14 inside middle heat exchange area under control 12, five pieces of metal separators 14 inside right heat exchange area under control 13 are all arranged at intervals.
Embodiment 5
As shown in figure 1, device air bleeding valve 15 in the air exhaust duct 5.
Embodiment 6
As shown in Figure 1, described each one buffering air box 16 of device of the inside upper and lower ends of Heat Room 7, the upper and lower ends mouth of pipe of multiple row heat exchanger tube 10 distinguishes device on buffering air box 16, the lower end buffering air box bottom connecting gas transmission pipe 8, upper end buffering air box top connection flue gas exhaust pipe 3.
Embodiment 7
A kind of air preheater to be exchanged heat using boiler smoke of the present invention, when in use, smoke inlet pipe is connected on boiler chimney, flue gas is entered to inside the Ji Yan filter chambers inside the present apparatus from smoke inlet pipe first, fall granule foreign by multilayer stainless steel metal filter screen filtration, then flue gas is entered to inside Heat Room through appendix, buffered gas tank is entered in more heat exchanger tubes, simultaneously, cold air is entered to inside Heat Room from air intake duct, reach the purpose of heat exchange, after heat exchange, flue gas hides the discharge of flue gas exhaust pipe, air after preheating heating is discharged from air exhaust duct.

Claims (6)

1. a kind of air preheater to be exchanged heat using boiler smoke, including filtering heat exchanger tube, smoke inlet pipe, flue gas exhaust pipe, air intake duct, air exhaust duct, it is characterised in that:Filtering heat exchanger tube bottom middle device smoke inlet pipe, top middle device flue gas exhaust pipe, upper right end device air intake duct, lower-left end device air exhaust duct;It is made up of inside the filtering heat exchanger tube Ji Yan filter chambers, Heat Room, the collection cigarette filtering chamber device is filtering heat exchanger tube inner upper end in filtering heat exchanger tube interior lower end, the heat exchange chamber device, and Ji Yan filter chambers top connects Heat Room by appendix;Connection smoke inlet pipe among Ji Yan filter chambers bottom;Connection flue gas exhaust pipe among the Heat Room top;The Heat Room upper right side connects air intake duct, lower-left end connection air exhaust duct.
A kind of 2. air preheater to be exchanged heat using boiler smoke according to claim 1, it is characterised in that:Three layers of stainless steel metal screen pack above and below Ji Yan filter chambers interior arrangement.
A kind of 3. air preheater to be exchanged heat using boiler smoke according to claim 1, it is characterised in that:The Heat Room interior arrangement multiple row heat exchanger tube, it is made up of left heat exchange area under control, middle heat exchange area under control, right heat exchange area under control;From top to bottom three pieces of device carries the metal separators that multiple heat exchanger tubes are perforated in the left heat exchange area under control, is interspersed on the heat exchanger tube inside left heat transfer zone;From top to bottom four pieces of device carries the metal separators that multiple heat exchanger tubes are perforated in the middle heat exchange area under control, is interspersed on the heat exchanger tube inside middle heat transfer zone;From top to bottom five pieces of device carries the metal separators that multiple heat exchanger tubes are perforated in the right heat exchange area under control, is interspersed on the heat exchanger tube inside right heat transfer zone.
A kind of 4. air preheater to be exchanged heat using boiler smoke according to claim 3, it is characterised in that:Three pieces of metal separators inside the left left heat exchange area under control in heat exchange area under control, four pieces of metal separators inside middle heat exchange area under control, five pieces of metal separators inside right heat exchange area under control are all arranged at intervals.
A kind of 5. air preheater to be exchanged heat using boiler smoke according to claim 1, it is characterised in that:Device air bleeding valve in the air exhaust duct.
A kind of 6. air preheater to be exchanged heat using boiler smoke according to claim 1, it is characterised in that:Each one buffering air box of device of upper and lower ends inside the Heat Room, the multiple row heat exchanger tube upper and lower ends mouth of pipe distinguish device on buffering air box, the lower end buffering air box bottom connecting gas transmission pipe, upper end buffering air box top connection flue gas exhaust pipe.
CN201610480520.6A 2016-06-28 2016-06-28 A kind of air preheater to be exchanged heat using boiler smoke Pending CN107543198A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610480520.6A CN107543198A (en) 2016-06-28 2016-06-28 A kind of air preheater to be exchanged heat using boiler smoke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610480520.6A CN107543198A (en) 2016-06-28 2016-06-28 A kind of air preheater to be exchanged heat using boiler smoke

Publications (1)

Publication Number Publication Date
CN107543198A true CN107543198A (en) 2018-01-05

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Family Applications (1)

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CN201610480520.6A Pending CN107543198A (en) 2016-06-28 2016-06-28 A kind of air preheater to be exchanged heat using boiler smoke

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110702445A (en) * 2019-10-30 2020-01-17 合肥化机装备制造有限公司 Preheater based on energy-saving and efficient heat exchange effect for aerospace test
CN112857071A (en) * 2021-02-23 2021-05-28 常州机电职业技术学院 Flue gas treatment device for metal smelting and flue gas treatment method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110702445A (en) * 2019-10-30 2020-01-17 合肥化机装备制造有限公司 Preheater based on energy-saving and efficient heat exchange effect for aerospace test
CN110702445B (en) * 2019-10-30 2021-02-09 合肥化机装备制造有限公司 Preheater based on energy-saving and efficient heat exchange effect for aerospace test
CN112857071A (en) * 2021-02-23 2021-05-28 常州机电职业技术学院 Flue gas treatment device for metal smelting and flue gas treatment method thereof

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Application publication date: 20180105