CN107449295B - Fixed type tube-array water pipe heat exchanger capable of realizing back flushing ash removal - Google Patents
Fixed type tube-array water pipe heat exchanger capable of realizing back flushing ash removal Download PDFInfo
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- CN107449295B CN107449295B CN201610408820.3A CN201610408820A CN107449295B CN 107449295 B CN107449295 B CN 107449295B CN 201610408820 A CN201610408820 A CN 201610408820A CN 107449295 B CN107449295 B CN 107449295B
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- Prior art keywords
- heat exchanger
- exchanger shell
- flue
- smoke
- lateral smoke
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2700/00—Ash removal, handling and treatment means; Ash and slag handling in pulverulent fuel furnaces; Ash removal means for incinerators
- F23J2700/001—Ash removal, handling and treatment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
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- 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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention relates to the technical field of heat exchange, in particular to a fixed type tube-in-tube water tube heat exchanger capable of realizing back flushing and ash removal of a boiler. The technical scheme adopted is that the fixed type tubular water pipe heat exchanger capable of realizing reverse flushing ash removal comprises a heat exchanger shell, a tubular pipe, a water inlet header, a water outlet header, a flue gas flow direction switching device and an ash collecting hopper, wherein the upper lateral smoke inlet and the lower lateral smoke inlet and the upper lateral smoke outlet and the lower lateral smoke outlet of the heat exchanger shell are respectively arranged on the upper plate surface and the lower plate surface of the front plate and the rear plate of the heat exchanger shell; the flue is a front side and rear side peripheral flue; the flue gas flow direction switching device consists of an upper swinging plate, a lower swinging plate, an upper rotating shaft and a lower rotating shaft.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a fixed type tube-in-tube water tube heat exchanger capable of realizing back flushing and ash removal of a boiler.
Background
At present, a fixed type tube-array water tube heat exchanger commonly used on a boiler consists of a heat exchanger shell, tubes which are welded and fixed with tube plate tube holes on the heat exchanger shell at two ends in the heat exchanger shell respectively, an upper flue and a lower flue which are fixed on the upper end and the lower end of the heat exchanger shell respectively, and a water inlet header and a water outlet header which are fixed on tube plates on two sides of the heat exchanger shell respectively (when the water inlet header and the water outlet header are fixed on the tube plates on one side of the heat exchanger shell in parallel, a rotary seal head is additionally fixed on the tube plates on the other side of the heat exchanger shell, an inner cavity of the rotary seal head is a water rotary chamber), thermal mass flue gas sent by an economizer flows into the water inlet header through the water inlet header on the water inlet header, flows out of the heat exchanger shell through the inner cavity of the water inlet header, the lower flue, namely the water inlet header on the water inlet header, and the water outlet header on the other side of the water outlet header, and the water inlet header on the water inlet header flow out of the water inlet header, and the water outlet header on the inner cavity of the water inlet header on the water inlet header, and the water outlet header on the inner cavity of the water inlet header and the water outlet header on the water inlet header. The fixed type tube-in-tube water tube heat exchanger has the defects that when the heat exchanger shell is used in an environment of thermal mass smoke containing ash, ash is easy to be accumulated on the surface of tube-in-tube back smoke.
Disclosure of Invention
The invention aims to solve the technical problems that the prior fixed type tube-array water pipe heat exchanger has the structure that a heat exchanger shell only has a heat exchanger shell smoke inlet and a heat exchanger shell smoke outlet at the upper end and the lower end respectively, and the flow direction of thermal mass smoke which transversely washes the tube array surface in the heat exchanger shell is always unchanged, so that the defect of ash accumulation is easy to generate on the tube-array back smoke surface when the tube-array water pipe heat exchanger is used in an environment of thermal mass smoke containing ash.
In order to solve the technical problems, the invention adopts the technical scheme that the fixed type tubular water pipe heat exchanger capable of realizing the back flushing ash removal is provided and consists of a heat exchanger shell, a tubular, a water inlet header, a water outlet header, a flue gas flow direction switching device and an ash collecting hopper.
A. The upper and lower plate surfaces of the front and rear plates of the heat exchanger shell are respectively provided with an upper lateral smoke inlet, a lower lateral smoke inlet and an upper lateral smoke outlet of the heat exchanger shell;
B. the flue is a front side peripheral flue and a rear side peripheral flue, the front side peripheral flue and the rear side peripheral flue are respectively composed of a front plate and a rear plate of the heat exchanger shell and corresponding peripheral front flue wall and corresponding peripheral rear flue wall, and the lower parts of the peripheral front flue wall and the peripheral rear flue wall are respectively provided with a flue gas inlet and a flue gas outlet of the fixed type tubular water pipe heat exchanger;
C. the flue gas flow direction switching device consists of an upper swinging plate, a lower swinging plate, an upper rotating shaft and a lower rotating shaft, wherein one long side of the upper swinging plate is respectively fixed with the upper rotating shaft and the lower rotating shaft by matching with a key pin;
D. the front and rear symmetrical axis positions in the ash collecting hopper are provided with water seal partition boards which divide the ash collecting hopper into symmetrical front and rear ash falling channels, and the water seal partition boards are welded and fixed with the left and right inner walls of the ash collecting hopper;
the peripheral front and rear flue walls are respectively and fixedly connected with the front and rear four edges of the heat exchanger shell, the upper and lower rotating shafts are respectively matched with upper and lower bearing seats fixed on the upper and lower positions of the front and rear symmetrical axes of the left and right tube plates of the heat exchanger shell, the ash collecting hopper is fixedly connected with the periphery of the ash falling port at the lower end of the heat exchanger shell in a sealing manner, and the upper edge of the water seal partition plate is matched with the lower rotating shaft in a contact manner.
Compared with the prior art, the upper and lower lateral smoke inlets and the upper and lower lateral smoke outlets of the heat exchanger shell are designed on the heat exchanger shell; the flue matching is designed as the front and back side peripheral flues, the flue flow direction matching is designed with the flue flow direction switching device and the ash collecting pipe with a water seal partition board, when the flue flow direction switching device is synchronously rotated by a certain angle, the upper side smoke inlet and the lower side smoke outlet of the heat exchanger shell are synchronously opened, at the moment, the upper and lower swinging plates in the flue flow direction switching device respectively synchronously block the upper side smoke outlet and the lower side smoke inlet of the heat exchanger shell, so that the upper side smoke outlet and the lower side smoke inlet of the heat exchanger shell are synchronously closed, the flue gas in the front side peripheral flues enters the heat exchanger shell through the upper side smoke inlet of the heat exchanger shell, after the surface of a tube is transversely flushed from top to bottom, the flue gas flows into the back side peripheral flues through the lower side smoke outlet of the heat exchanger shell, when the upper and lower rotating shafts in the heat exchanger shell are synchronously rotated reversely, the upper side smoke outlet and the lower side smoke inlet of the heat exchanger shell are synchronously opened, the heat exchanger shell alternately flows into the upper side smoke inlet and the lower side smoke outlet of the heat exchanger shell, the heat exchanger shell alternately flows into the back side peripheral flues through the upper side smoke inlet and the lower side smoke outlet of the heat exchanger shell, and the front side smoke outlet of the heat exchanger shell alternately flow into the front side smoke outlet of the heat exchanger shell and the back side smoke outlet of the heat exchanger shell are synchronously rotated synchronously, and the front side smoke outlet of the heat exchanger shell and the front side smoke outlet is synchronously opened When a certain angle is needed for the lower rotating shaft, two mutually opposite smoke flows from top to bottom and from bottom to top are alternately generated in the heat exchanger shell, the smoke transversely washes the smoke facing surface and the smoke backing surface of the tube array, the smoke is alternately and mutually converted along with the alternately generated two mutually opposite smoke flows, no fixed tube array smoke backing surface area exists, dust accumulation generated when the wheel is the tube array smoke backing surface is removed under the flushing of the opposite smoke flows, and the tube array surface is not easy to generate dust accumulation.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional view of a fixed tubular water heat exchanger capable of realizing reverse flushing and ash removal;
FIG. 2 is a schematic cross-sectional view of a fixed tube-in-tube water heat exchanger in FIG. 1 for realizing back flushing ash removal;
fig. 3 is a right-side view schematic structure diagram of a fixed type tube-in-tube water tube heat exchanger capable of realizing reverse flushing and ash removal.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings: it consists of a heat exchanger shell, a tube array 2 which is welded with tube plate 1 tube holes on the heat exchanger shell at two ends in the heat exchanger shell, water inlet and outlet headers 3 and 4 which are sealed and fixed on the tube plate 1 on one side of the heat exchanger shell by parallel flange bolts, a rotary seal head 5 which is sealed and fixed on the tube plate 1 on the other side of the heat exchanger shell by flange bolts, a flue gas flow direction switching device and an ash collecting hopper 6,
A. the upper and lower plate surfaces of the front and rear plates 7 and 8 of the heat exchanger shell are respectively provided with an upper lateral smoke inlet 9 and a lower lateral smoke inlet 10 and an upper lateral smoke outlet 11 and a lower lateral smoke outlet 12 of the heat exchanger shell;
B. the flue is a front peripheral flue 13 and a rear peripheral flue 14, the front peripheral flue 13 and the rear peripheral flue 14 are respectively composed of a front plate 7 and a rear plate 8 of the heat exchanger shell and a corresponding peripheral front flue wall 15 and a corresponding peripheral rear flue wall 16, and the lower parts of the peripheral front flue wall 15 and the peripheral rear flue wall 16 are respectively provided with a flue gas inlet 17 and a flue gas outlet 18 of the fixed type tube-in-tube water tube heat exchanger;
C. the flue gas flow direction switching device consists of upper and lower swing plates 19 and 20 and upper and lower rotating shafts 21 and 22, and one long side of the upper and lower swing plates 19 and 20 is respectively fixed with the upper and lower rotating shafts 21 and 22 by matching with key pins;
D. the front and rear symmetrical axis positions in the ash collecting hopper 6 are provided with water seal partition plates 23 for separating the ash collecting hopper 6 into symmetrical front and rear ash falling channels 24 and 25, and the water seal partition plates 23 are welded and fixed with the left and right inner walls of the ash collecting hopper 6;
the peripheral front and rear flue walls 15 and 16 are respectively and hermetically connected and fixed with front and rear four edges and flange bolts of the heat exchanger shell, the upper and lower rotating shafts 21 and 22 are respectively matched with upper and lower bearing seats fixed on upper and lower positions of front and rear symmetry axes of the left and right tube plates 1 of the heat exchanger shell, the ash collecting hopper 6 is hermetically connected and fixed with the four edges and flange bolts of the lower end of the heat exchanger shell around an ash falling port at the lower end of the heat exchanger shell, and the upper edge of the water seal baffle 23 is in contact fit with the lower rotating shaft 22. When in use, the water inlet pipe seat 26 on the water inlet header 3 and the water outlet pipe seat 27 on the water outlet header 4 are connected with the boiler water circulation system; the flue gas outlet flue of the economizer is connected with the flue gas inlet 17 of the fixed type tube-array water pipe heat exchanger of the front side peripheral flue 13, and the flue gas outlet 18 of the fixed type tube-array water pipe heat exchanger of the rear side peripheral flue 14 is connected with an induced draft fan; the lower part of the dust collecting hopper 6 is arranged in a dust collecting pit filled with water; the upper and lower rotating shafts 21, 22 are respectively connected with an upper swing arm 30 and a lower swing arm 31 in a driving mechanism consisting of an oil cylinder 28, a transmission connecting rod 29, an upper swing arm 30 and a lower swing arm 31 in a matching way; when the oil cylinder 28 extends up to a certain position according to a set stroke, the upper rotating shaft 21 and the lower rotating shaft 22 synchronously rotate by a certain angle, at this time, the upper swinging plate 19 and the lower swinging plate 20 are respectively positioned at the upper lateral smoke outlet 11 and the lower lateral smoke inlet 10 of the heat exchanger shell, and one state combination of the upper lateral smoke inlet 9 and the lower lateral smoke inlet 10 and the upper lateral smoke outlet 11 and the lower lateral smoke outlet 12 of the heat exchanger shell is that the upper lateral smoke inlet 9 and the lower lateral smoke outlet 12 of the heat exchanger shell are opened, the lower lateral smoke inlet 10 and the upper lateral smoke outlet 11 of the heat exchanger shell are closed; when the oil cylinder 28 is retracted in place according to a set stroke, the upper and lower rotating shafts 21 and 22 synchronously rotate reversely by a certain angle, at this time, the upper and lower swinging plates 19 and 20 are respectively positioned at the upper lateral smoke inlet 9 and the lower lateral smoke outlet 12 of the heat exchanger shell, and the upper and lower lateral smoke inlets 9 and 10 and the upper and lower lateral smoke outlets 11 and 12 of the heat exchanger shell are combined into another state that the lower lateral smoke inlet 10 and the upper lateral smoke outlet 11 of the heat exchanger shell are opened, and the upper lateral smoke inlet 9 and the lower lateral smoke outlet 12 of the heat exchanger shell are closed; when the upper lateral smoke inlet 9 and the lower lateral smoke inlet 10 of the heat exchanger shell and the upper lateral smoke outlet 11 and the lower lateral smoke outlet 12 of the heat exchanger shell are in the state of combination, the smoke in the front side peripheral smoke flue 13 enters the heat exchanger shell through the upper lateral smoke inlet 9 of the heat exchanger shell, and enters the rear side peripheral smoke flue 14 through the lower lateral smoke outlet 12 of the heat exchanger shell after transversely flushing the surface of the tube array 2 from top to bottom; when the upper lateral smoke inlet 9 and the lower lateral smoke inlet 10 of the heat exchanger shell and the upper lateral smoke outlet 11 and the lower lateral smoke outlet 12 of the heat exchanger shell are in the other state, the smoke in the front side peripheral smoke flue 13 enters the heat exchanger shell through the lower lateral smoke inlet 10 of the heat exchanger shell, and enters the rear side peripheral smoke flue 14 through the upper lateral smoke outlet 11 of the heat exchanger shell after the surface of the tube array 2 is transversely flushed from bottom to top; the surface of the tube nest 2 is flushed and cleaned by the mutually reverse smoke flow which is used for transversely flushing the surface of the tube nest 2 from top to bottom and the surface of the tube nest 2 from bottom to top, and the corresponding front and rear ash falling channels 24 and 25 of the ash collecting hopper 6 fall into the ash collecting pit filled with water through the ash falling port at the lower end of the heat exchanger shell.
Claims (1)
1. The utility model provides a can realize fixed tubulation water pipe heat exchanger of back washing deashing, it comprises heat exchanger casing, tubulation, water inlet header, water outlet header, flue, its characterized in that: also has a flue gas flow direction switching device and an ash collecting hopper,
A. the upper and lower plate surfaces of the front and rear plates of the heat exchanger shell are respectively provided with an upper lateral smoke inlet, a lower lateral smoke inlet and an upper lateral smoke outlet of the heat exchanger shell;
B. the flue is a front side peripheral flue and a rear side peripheral flue, the front side peripheral flue and the rear side peripheral flue are respectively composed of a front plate and a rear plate of the heat exchanger shell and corresponding peripheral front flue wall and corresponding peripheral rear flue wall, and the lower parts of the peripheral front flue wall and the peripheral rear flue wall are respectively provided with a flue gas inlet and a flue gas outlet of the fixed type tubular water pipe heat exchanger;
C. the flue gas flow direction switching device consists of an upper swinging plate, a lower swinging plate, an upper rotating shaft and a lower rotating shaft, wherein one long side of the upper swinging plate is respectively fixed with the upper rotating shaft and the lower rotating shaft by matching with a key pin;
D. the front and rear symmetrical axis positions in the ash collecting hopper are provided with water seal partition boards which divide the ash collecting hopper into symmetrical front and rear ash falling channels, and the water seal partition boards are welded and fixed with the left and right inner walls of the ash collecting hopper;
the peripheral front and rear flue walls are respectively and hermetically connected and fixed with the front and rear four edges of the heat exchanger shell, the upper and lower rotating shafts are respectively matched with upper and lower bearing seats fixed on the upper and lower positions of the front and rear symmetrical axes of the left and right tube plates of the heat exchanger shell, the ash collecting hopper is hermetically connected and fixed with the four edges of the lower end of the heat exchanger shell around the ash falling port at the lower end of the heat exchanger shell, and the upper edge of the water seal partition plate is in contact fit with the lower rotating shaft;
wherein:
when the upper rotating shaft and the lower rotating shaft in the smoke flow direction switching device are synchronously rotated for a certain angle, the upper lateral smoke inlet and the lower lateral smoke outlet of the heat exchanger shell are synchronously opened, at the moment, the upper swing plate and the lower swing plate in the smoke flow direction switching device respectively synchronously block the upper lateral smoke outlet and the lower lateral smoke inlet of the heat exchanger shell, so that the upper lateral smoke outlet and the lower lateral smoke inlet of the heat exchanger shell are synchronously closed, smoke in the front side peripheral flue enters the heat exchanger shell through the upper lateral smoke inlet of the heat exchanger shell, and enters the rear side peripheral flue through the lower lateral smoke outlet of the heat exchanger shell after the surface of a tube array is transversely flushed from top to bottom,
when the upper rotating shaft and the lower rotating shaft in the smoke flow direction switching device are rotated reversely synchronously, the upper lateral smoke outlet and the lower lateral smoke inlet of the heat exchanger shell are synchronously opened, at this time, the upper swing plate and the lower swing plate in the smoke flow direction switching device respectively block the upper lateral smoke inlet and the lower lateral smoke outlet of the heat exchanger shell synchronously, so that the upper lateral smoke inlet and the lower lateral smoke outlet of the heat exchanger shell are synchronously closed, and smoke in the front side peripheral flue enters the heat exchanger shell through the lower lateral smoke inlet of the heat exchanger shell, so that after the surface of a tube array is transversely flushed from bottom to top, the smoke enters the rear side peripheral flue through the upper lateral smoke outlet of the heat exchanger shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610408820.3A CN107449295B (en) | 2016-06-01 | 2016-06-01 | Fixed type tube-array water pipe heat exchanger capable of realizing back flushing ash removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610408820.3A CN107449295B (en) | 2016-06-01 | 2016-06-01 | Fixed type tube-array water pipe heat exchanger capable of realizing back flushing ash removal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107449295A CN107449295A (en) | 2017-12-08 |
| CN107449295B true CN107449295B (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610408820.3A Active CN107449295B (en) | 2016-06-01 | 2016-06-01 | Fixed type tube-array water pipe heat exchanger capable of realizing back flushing ash removal |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750370A (en) * | 2019-03-28 | 2020-10-09 | 马成果 | Heat exchange flue and heat exchange equipment |
| CN116086204B (en) * | 2023-04-06 | 2023-06-23 | 河北鸿科碳素有限公司 | Low-temperature waste heat recovery device of roasting furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2148888Y (en) * | 1992-07-29 | 1993-12-08 | 徐家刚 | Streamlined coal-saving device |
| CN1796923A (en) * | 2004-12-21 | 2006-07-05 | 张吉礼 | Back washing shell and tube type heat exchanger with sliding cleanliness unit built in |
| CN103712491A (en) * | 2014-01-08 | 2014-04-09 | 重庆大学 | Tube type and heat storage type combined heat exchanger based on high-low-temperature segmented heat exchange |
| DE102013212286A1 (en) * | 2013-06-26 | 2014-12-31 | Lambion Energy Solutions Gmbh | Plant for energy recovery from hot gases |
| CN205655719U (en) * | 2016-06-01 | 2016-10-19 | 马成果 | Can realize fixed tubulation water pipe heat exchanger of backward erosion deashing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60007811T2 (en) * | 1999-08-23 | 2004-11-25 | Nippon Shokubai Co., Ltd. | Blockage prevention method in a plate heat exchanger |
-
2016
- 2016-06-01 CN CN201610408820.3A patent/CN107449295B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2148888Y (en) * | 1992-07-29 | 1993-12-08 | 徐家刚 | Streamlined coal-saving device |
| CN1796923A (en) * | 2004-12-21 | 2006-07-05 | 张吉礼 | Back washing shell and tube type heat exchanger with sliding cleanliness unit built in |
| DE102013212286A1 (en) * | 2013-06-26 | 2014-12-31 | Lambion Energy Solutions Gmbh | Plant for energy recovery from hot gases |
| CN103712491A (en) * | 2014-01-08 | 2014-04-09 | 重庆大学 | Tube type and heat storage type combined heat exchanger based on high-low-temperature segmented heat exchange |
| CN205655719U (en) * | 2016-06-01 | 2016-10-19 | 马成果 | Can realize fixed tubulation water pipe heat exchanger of backward erosion deashing |
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| Publication number | Publication date |
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| CN107449295A (en) | 2017-12-08 |
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