CN109340814B - Air preheater for waste heat recovery system - Google Patents
Air preheater for waste heat recovery system Download PDFInfo
- Publication number
- CN109340814B CN109340814B CN201811208994.0A CN201811208994A CN109340814B CN 109340814 B CN109340814 B CN 109340814B CN 201811208994 A CN201811208994 A CN 201811208994A CN 109340814 B CN109340814 B CN 109340814B
- Authority
- CN
- China
- Prior art keywords
- flue gas
- shell
- air
- gas inlet
- pipe
- 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.)
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Links
- 238000011084 recovery Methods 0.000 title claims abstract description 10
- 239000002918 waste heat Substances 0.000 title abstract description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000003546 flue gas Substances 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims abstract description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004071 soot Substances 0.000 claims abstract description 8
- 238000007664 blowing Methods 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 239000000779 smoke Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/04—Arrangements of recuperators
- F23L15/045—Arrangements of recuperators using intermediate heat-transfer fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The invention discloses an air preheater for a waste heat recovery system, which comprises a shell, wherein a first flue gas inlet and a first flue gas outlet are respectively arranged on the left side and the right side of the upper end of the shell, a nickel-based alloy plate is arranged in the shell, a superconducting heat pipe is arranged on the upper end of the shell, a middle partition plate is arranged in the middle of the shell, heat transfer plates are arranged on the two sides of the middle partition plate, an air heat exchange pipe is arranged below the middle partition plate and is connected with a temperature controller, radiating fins are respectively arranged on the air heat exchange pipe and the superconducting heat pipe and are connected with a radiating port at the bottom of the shell, a second flue gas inlet and a second flue gas outlet are respectively arranged on the two sides of the lower part of the shell, a sound wave soot blowing pipe is arranged. The invention has simple structure, good preheating effect, high safety and long service life, and the adopted superconducting heat pipe has high efficiency of improving heat conversion and can increase the air preheating speed and the air temperature.
Description
Technical Field
The invention relates to the technical field of flue gas waste heat recovery equipment, and particularly belongs to an air preheater for a waste heat recovery system.
Background
The air preheater is a heat exchanger that preheats exhaust heat of a boiler or the like. The device has the functions of reducing the exhaust gas temperature of equipment such as a boiler and the like, improving the heat efficiency, enabling the fuel to be easy to catch fire, stabilizing the combustion and improving the combustion efficiency. The inside of the existing air preheater is easy to block ash and is not easy to clean, and the smoke inlet is easy to wear.
Disclosure of Invention
The present invention is directed to an air preheater for a heat recovery system to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the invention discloses an air preheater for a waste heat recovery system, which comprises a shell, wherein the left side and the right side of the upper end of the shell are respectively provided with a first flue gas inlet and a first flue gas outlet, a nickel-based alloy plate is arranged in the shell, the upper end of the shell is provided with a superconducting heat pipe, the middle of the shell is provided with a middle partition plate, two sides of the middle partition plate are provided with heat transfer plates, an air heat exchange pipe is arranged below the middle partition plate and is connected with a temperature controller, the air heat exchange pipe and the superconducting heat pipe are respectively provided with a radiating fin which is connected with a radiating port at the bottom of the shell, an exhaust fan is arranged at the radiating port and is communicated with an overhaul port of the shell, two sides of the lower part of the shell are respectively provided with a second flue gas inlet and a second flue gas outlet, a sound wave soot blowing connecting pipe, the second flue gas inlet is connected with an annular pore plate through a flange, the annular pore plate is connected with a pressure transmitter, a temperature detector is arranged on the edge of the pressure transmitter, and the pressure transmitter is connected with a computer.
The invention is further improved in that: the first smoke inlet, the first smoke outlet, the second smoke inlet and the second smoke outlet are respectively provided with a filter.
The invention is further improved in that: the temperature controller, the temperature detector and the pressure transmitter are connected with the control cabinet.
The invention is further improved in that: and the first flue gas inlet and the second flue gas inlet are provided with anti-abrasion sleeves.
Compared with the prior art, the invention has the beneficial effects that:
the invention has the advantages of simple structure, good preheating effect, high safety, good conduction effect, convenient cleaning, simple use and long service life, adopts the superconducting heat pipe, has high heat conversion efficiency, and can increase the air preheating speed and the air temperature.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides an air preheater for a waste heat recovery system, which includes a housing 1, a flue gas inlet 2 and a flue gas outlet 3 are respectively disposed at left and right sides of an upper end of the housing 1, a nickel-based alloy plate 6 is disposed in the housing 1, and the housing 1 is corrosion-resistant and high temperature-resistant, a super heat conducting pipe 7 is disposed at an upper end of the housing 1, so as to improve heat conversion efficiency, increase air preheating speed and air temperature, a middle partition plate 8 is disposed in the middle of the housing 1, heat transfer plates 18 are disposed at two sides of the middle partition plate 8, so as to provide a multi-purpose plate heat exchanger, which satisfies high temperature, high pressure or corrosive environment, an air heat exchanging pipe 9 is disposed below the middle partition plate 8, and is used for heat exchange between two media, namely air and flue gas, the air heat exchanging pipe 9 is connected to a temperature controller 22, so as, the heat dissipation device is used for heat dissipation, a cooling fin 10 is connected with a heat dissipation port 11 at the bottom of a shell 1, an exhaust fan 12 is arranged at the position of the heat dissipation port 11, an air heat exchange tube 9 is communicated with an overhaul port 13 of the shell 1, a second flue gas inlet 14 and a second flue gas outlet 15 are respectively arranged on two sides of the lower portion of the shell 1, a sound wave soot blowing connecting pipe 16 is arranged at the position of the second flue gas outlet 15, a soot cleaning door 17 is arranged below the sound wave soot blowing connecting pipe 16, baffle plates 21 are arranged in the first flue gas inlet 2, the first flue gas outlet 3, the second flue gas inlet 14 and the second flue gas outlet 15, the flow direction of air can be changed, the second flue gas inlet 14 is connected with an annular orifice plate 20 through a flange, the pressure of the air is measured, the annular orifice plate 20 is connected with a.
In the invention, the first flue gas inlet 2, the first flue gas outlet 3, the second flue gas inlet 14 and the second flue gas outlet 15 are respectively provided with a filter, the temperature controller 22, the temperature detector 5 and the pressure transmitter 4 are connected with a control cabinet, and the first flue gas inlet 2 and the second flue gas inlet 14 are provided with anti-abrasion sleeves.
In conclusion, the invention has the advantages of simple structure, good preheating effect, high safety, good conduction effect, convenient cleaning, simple use and long service life, and the adopted superconducting heat pipe has high heat conversion efficiency and can increase the air preheating speed and the air temperature.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. An air preheater for a heat recovery system, comprising a housing (1), characterized in that: the heat exchanger is characterized in that a first flue gas inlet (2) and a first flue gas outlet (3) are respectively arranged on the left side and the right side of the upper end of the shell (1), a nickel-based alloy plate (6) is arranged in the shell (1), a superconducting heat pipe (7) is arranged on the upper end of the shell (1), a middle partition plate (8) is arranged in the middle of the shell (1), heat transfer plates (18) are arranged on the two sides of the middle partition plate (8), an air heat exchange pipe (9) is arranged below the middle partition plate (8), the air heat exchange pipe (9) is connected with a temperature controller (22), cooling fins (10) are arranged on the air heat exchange pipe (9) and the superconducting heat pipe (7), the cooling fins (10) are connected with a cooling port (11) at the bottom of the shell (1), an exhaust fan (12) is arranged at the cooling port (11), the air heat exchange pipe (9) is communicated with an overhaul port (13) of the shell (1), a, a sound wave soot blowing connecting pipe (16) is arranged at the second flue gas outlet (15), a soot cleaning door (17) is arranged below the sound wave soot blowing connecting pipe (16), a first flue gas inlet (2), a first flue gas outlet (3), a second flue gas inlet (14) and the second flue gas outlet (15) are internally provided with a baffle plate (21), the second flue gas inlet (14) is connected with an annular pore plate (20) through a flange, the annular pore plate (20) is connected with a pressure transmitter (4), a temperature detector (5) is arranged on the edge of the pressure transmitter (4), and the pressure transmitter (4) is connected with a computer;
the first smoke inlet (2), the first smoke outlet (3), the second smoke inlet (14) and the second smoke outlet (15) are respectively provided with a filter;
the temperature controller (22), the temperature detector (5) and the pressure transmitter (4) are connected with the control cabinet.
2. An air preheater for a heat recovery system as recited in claim 1, wherein: and the positions of the first flue gas inlet (2) and the second flue gas inlet (14) are provided with anti-abrasion sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811208994.0A CN109340814B (en) | 2018-10-17 | 2018-10-17 | Air preheater for waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811208994.0A CN109340814B (en) | 2018-10-17 | 2018-10-17 | Air preheater for waste heat recovery system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109340814A CN109340814A (en) | 2019-02-15 |
| CN109340814B true CN109340814B (en) | 2020-11-13 |
Family
ID=65308932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811208994.0A Active CN109340814B (en) | 2018-10-17 | 2018-10-17 | Air preheater for waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340814B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202835424U (en) * | 2012-08-23 | 2013-03-27 | 广州联田能源科技有限公司 | Superconducting flue gas waste heat recovery combustion-supporting system |
| CN105650661A (en) * | 2014-11-13 | 2016-06-08 | 王明山 | Novel boiler heat pipe waste heat recovery equipment |
| CN106594790A (en) * | 2016-12-23 | 2017-04-26 | 哈尔滨恒誉名翔科技有限公司 | Air preheating device for thermal power generation |
| CN107514649A (en) * | 2017-07-27 | 2017-12-26 | 同济大学 | Board-like Wind Volume air preheater |
-
2018
- 2018-10-17 CN CN201811208994.0A patent/CN109340814B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109340814A (en) | 2019-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201021 Address after: East of xin104 National Road (housha Village East), Jiangtun Town, Tengzhou City, Zaozhuang City, Shandong Province Applicant after: Shandong Ford New Energy Equipment Co.,Ltd. Address before: 243000 No. 85 Huxi Southwest Road, Ma'anshan Economic and Technological Development Zone, Anhui Province Applicant before: MAANSHAN MUJI INFORMATION TECHNOLOGY Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An air preheater for waste heat recovery system Effective date of registration: 20211202 Granted publication date: 20201113 Pledgee: Shandong Tengzhou Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Ford New Energy Equipment Co.,Ltd. Registration number: Y2021980013776 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221202 Granted publication date: 20201113 Pledgee: Shandong Tengzhou Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Ford New Energy Equipment Co.,Ltd. Registration number: Y2021980013776 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An air preheater for waste heat recovery system Effective date of registration: 20221208 Granted publication date: 20201113 Pledgee: Shandong Tengzhou Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Ford New Energy Equipment Co.,Ltd. Registration number: Y2022980025668 |