CN219243616U - Plate-type air preheater - Google Patents
Plate-type air preheater Download PDFInfo
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- CN219243616U CN219243616U CN202223045757.1U CN202223045757U CN219243616U CN 219243616 U CN219243616 U CN 219243616U CN 202223045757 U CN202223045757 U CN 202223045757U CN 219243616 U CN219243616 U CN 219243616U
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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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a plate-type air preheater, in particular to the field of air preheaters, which comprises a protective shell and a heat exchange plate, wherein the heat exchange plate is fixedly arranged in the protective shell, the top of the protective shell is communicated with an air inlet pipe, the outer wall of the protective shell is communicated with an exhaust pipe, the inner wall of the air inlet pipe is fixedly connected with a supporting piece, the inner wall of the supporting piece is connected with a transmission rotating rod through a bearing, the outer wall of the transmission rotating rod is fixedly connected with a rotating fan blade, the rotating fan blade is obliquely arranged, and the top of the transmission rotating rod is fixedly connected with a movable plate. According to the utility model, the movable piece and the filter cotton block are arranged, when the flue gas is discharged into the preheater, the rotary fan blades drive the movable plate to enable the movable column to move, and finally, the alkaline solution is discharged into the filter cotton block through the liquid discharge pipe to filter and purify sulfuric acid mist in the flue gas, so that the problem that the sulfuric acid mist in the flue gas enters the preheater to corrode the heat exchange plate is solved.
Description
Technical Field
The utility model relates to the technical field of air preheaters, in particular to a plate-type air preheater.
Background
The air preheater is a heating surface for preheating air before entering a boiler to a certain temperature through an internal cooling fin by flue gas in a tail flue of the boiler, is equipment for improving heat exchange performance of the boiler and reducing energy consumption, and is generally divided into three types of plate type, rotary type and tubular type.
The Chinese patent publication CN209909965U discloses a tube plate type air preheater, which comprises an air inlet, an air outlet, a flue gas inlet, a flue gas outlet, a shell, a plurality of heat exchange tubes arranged in the shell and tube plates arranged at two ends of the heat exchange tubes, wherein air passes through the heat exchange tubes, flue gas passes through the heat exchange tubes, and a sealing area for preventing flue gas from entering is arranged in a low-temperature area of the air preheater, so that corrosion of the acid dew point of the flue gas to the low-temperature area is avoided, but the flue gas still enters the preheater to be contacted with a heat exchange plate, the flue gas is not completely discharged from the interior of the preheater, and the heat exchange plate stops working temperature to reduce sulfuric acid mist in the flue gas so as to corrode the heat exchange plate, and the service life of the heat exchange plate is shortened.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the utility model provides a plate-type air preheater, which is provided with a movable piece and a filter cotton block, when smoke is discharged into the preheater, a rotary fan blade drives the movable plate to enable a movable column to move, and finally alkaline solution is discharged into the filter cotton block through a liquid discharge pipe to filter and purify sulfuric acid mist in the smoke, so that the problems in the background art are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a plate air heater, includes guard casing and heat exchange plate, heat exchange plate fixed mounting is in guard casing's inside, guard casing's top intercommunication is equipped with the intake pipe, guard casing's outer wall intercommunication is equipped with the blast pipe, the inner wall fixedly connected with support piece of intake pipe, support piece's inner wall is connected with the transmission bull stick through the bearing, the outer wall fixedly connected with rotating fan blade of transmission bull stick, rotating fan blade is the slope form setting, the top fixedly connected with fly leaf of transmission bull stick, the top fixedly connected with movable column of fly leaf, the moving part has been cup jointed to the outer wall of movable column, one side fixedly connected with movable rod of moving part, the one end fixedly connected with piston plate of movable rod, the outer wall sliding connection of piston plate has the liquid reserve tank, one side intercommunication of liquid reserve tank is equipped with the fluid-discharge tube, the one end intercommunication of fluid-discharge tube is equipped with the cotton filter piece, the cotton filter piece fixedly connected with the inner wall at the intake pipe.
In a preferred embodiment, one side of the liquid storage tank is communicated with a liquid inlet pipe, and a one-way valve is arranged on the outer wall of the liquid inlet pipe.
In a preferred embodiment, a sealing gasket is fixedly connected to one side of the air inlet pipe, and the movable rod is slidably connected inside the sealing gasket.
In a preferred embodiment, the outer wall of the transmission rotating rod is fixedly connected with a movable ring, the outer wall of the movable ring is fixedly connected with a cleaning plate, and the cleaning plate is slidably connected to the top of the filter cotton block.
In a preferred embodiment, a dust exhaust pipe is communicated with one side of the air inlet pipe, a dust storage box is communicated with one end of the dust exhaust pipe, and the dust storage box is fixedly arranged on one side of the protective shell.
In a preferred embodiment, a plurality of heat exchange holes are formed in one side of the heat exchange plate, and the plurality of heat exchange holes are staggered.
In a preferred embodiment, the bottom of the protective housing is fixedly connected with a support column, and the bottom of the support column is rotatably connected with a universal wheel.
The utility model has the technical effects and advantages that:
1. according to the utility model, the movable piece and the filter cotton block are arranged, when flue gas is discharged into the preheater, the rotary fan blades drive the movable plate to enable the movable column to move, the movable column drives the movable piece to enable the movable rod to move, the movable rod drives the piston plate to squeeze alkaline solution in the liquid storage tank, and the alkaline solution is discharged into the filter cotton block through the liquid discharge pipe to filter and purify sulfuric acid mist in the flue gas, so that the problem that the sulfuric acid mist in the flue gas enters the preheater to corrode the heat exchange plate is solved;
2. according to the utility model, the cleaning plate and the dust storage box are arranged, when flue gas is discharged into the preheater, the transmission rotating rod rotates, the transmission rotating rod drives the movable ring to rotate, the movable ring drives the cleaning plate to rotate, the cleaning plate scrapes dust on the filter cotton block and pushes the dust into the dust discharge pipe through centrifugal force, and the dust finally enters the dust storage box through the dust discharge pipe, so that the dust is convenient for workers to collect and clean.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a cross-sectional view of the air intake pipe structure of the present utility model.
Fig. 3 is an enlarged view of the structure of the portion a of fig. 2 according to the present utility model.
Fig. 4 is an enlarged view of the B-section structure of fig. 2 according to the present utility model.
The reference numerals are: 1. a protective housing; 2. a heat exchange plate; 3. an air inlet pipe; 4. an exhaust pipe; 5. a support; 6. a transmission rotating rod; 7. rotating the fan blades; 8. a movable plate; 9. a movable column; 10. a movable member; 11. a movable rod; 12. a piston plate; 13. a liquid storage tank; 14. a liquid discharge pipe; 15. filtering cotton blocks; 16. a liquid inlet pipe; 17. a one-way valve; 18. a sealing gasket; 19. a movable ring; 20. a cleaning plate; 21. a dust exhaust pipe; 22. a dust storage box; 23. a heat exchange hole; 24. a support column; 25. and a universal wheel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: as shown in fig. 1-4, a plate-type air preheater comprises a protective shell 1 and a heat exchange plate 2, wherein the heat exchange plate 2 is fixedly arranged in the protective shell 1, an air inlet pipe 3 for exhausting flue gas out of the preheater is communicated with the top of the protective shell 1, an exhaust pipe 4 for exhausting heated flue gas is communicated with the outer wall of the protective shell 1, a supporting piece 5 for supporting a transmission rotating rod 6 is fixedly connected with the inner wall of the air inlet pipe 3, the inner wall of the supporting piece 5 is connected with the transmission rotating rod 6 for driving the rotating plate 8 to rotate through a bearing, the outer wall of the transmission rotating rod 6 is fixedly connected with a rotating fan blade 7 for driving the transmission rotating rod 6 to rotate, the rotating fan blade 7 is obliquely arranged, the top of the transmission rotating rod 6 is fixedly connected with a movable plate 8 for driving a movable column 9 to rotate, the top of the movable plate 8 is fixedly connected with a movable column 9 for pushing the movable member 10 to move, the outer wall of the movable column 9 is sleeved with the movable member 10 for driving the movable rod 11 to move, as shown in figure 3, one side of the movable member 10 is fixedly connected with the movable rod 11 for driving the piston plate 12 to move, one end of the movable rod 11 is fixedly connected with a piston plate 12 for extruding alkaline liquid in the liquid storage tank 13, the outer wall of the piston plate 12 is slidably connected with a liquid storage tank 13 for storing the alkaline liquid, one side of the liquid storage tank 13 is communicated with a liquid discharge pipe 14 for discharging the alkaline liquid into a filter cotton block 15, one end of the liquid discharge pipe 14 is communicated with a filter cotton block 15 for filtering and purifying sulfuric acid mist, the filter cotton block 15 is fixedly connected with the inner wall of the air inlet pipe 3, one side of the liquid storage tank 13 is communicated with a liquid inlet pipe 16 for connecting an external alkaline liquid supply mechanism, the outer wall of the liquid inlet pipe 16 is provided with a one-way valve 17 which is used for enabling alkaline liquid to flow into the liquid storage tank 13 through the liquid inlet pipe 16 in one way, one side of the air inlet pipe 3 is fixedly connected with a sealing gasket 18 which is used for preventing smoke leakage when the movable rod 11 moves, and the movable rod 11 is in sliding connection inside the sealing gasket 18.
It should be noted that when the flue gas is discharged into the preheater, the flue gas will impact the rotary fan blade 7 to rotate the rotary fan blade 7, the rotary fan blade 7 will drive the transmission rotating rod 6 to rotate, the transmission rotating rod 6 will drive the movable plate 8 to rotate, the movable plate 8 will drive the movable column 9 to rotate, the movable column 9 will push the movable piece 10 to move, the movable piece 10 will drive the movable rod 11 to move, the movable rod 11 will drive the piston plate 12 to move, the piston plate 12 will squeeze the alkaline liquid in the liquid storage tank 13, the alkaline solution will be discharged into the filter cotton block 15 through the liquid discharge pipe 14 to filter and purify the sulfuric acid mist in the flue gas, thus solving the problem that the sulfuric acid mist in the flue gas will corrode the heat exchange plate 2 when entering the preheater, when the piston plate 12 moves towards the air inlet pipe 3, the piston plate 12 will supplement new alkaline liquid into the liquid storage tank 13 through the liquid inlet pipe 16, when the piston plate 12 moves towards the liquid discharge pipe 14, the alkaline liquid in the liquid storage tank 13 will only be discharged through the liquid discharge pipe 14 due to the one-way valve 17 arranged on the liquid inlet pipe 16.
Example 2: as shown in fig. 3, the outer wall fixedly connected with of transmission bull stick 6 is used for driving the rotatory expansion ring 19 of clean board 20, and the outer wall fixedly connected with of expansion ring 19 is used for scraping off clean board 20 of dust on the cotton piece 15 of filtration, and clean board 20 sliding connection is at the top of cotton piece 15 of filtration, and one side intercommunication of intake pipe 3 is equipped with the dust exhaust pipe 21 that is used for discharging the dust into dust storage box 22, and the one end intercommunication of dust exhaust pipe 21 is equipped with the dust storage box 22 that is used for storing the dust, and dust storage box 22 fixed mounting is in one side of protective housing 1.
It should be noted that, when the flue gas is discharged into the preheater, the transmission rotating rod 6 will rotate, the transmission rotating rod 6 will drive the movable ring 19 to rotate, the movable ring 19 will drive the cleaning plate 20 to rotate, the cleaning plate 20 will scrape the dust on the filter cotton block 15, and push all the dust into the dust discharge tube 21 through centrifugal force, and the dust finally enters the dust storage box 22 through the dust discharge tube 21, thereby facilitating the collection and cleaning of the staff.
Example 3: as shown in fig. 4, a heat exchange hole 23 for flue gas circulation is formed in one side of the heat exchange plate 2, the number of the heat exchange holes 23 is multiple, the heat exchange holes 23 are staggered, the bottom of the protective housing 1 is fixedly connected with a support column 24, and the bottom of the support column 24 is rotatably connected with a universal wheel 25 for driving the device to move.
It should be noted that, when the heat exchange holes 23 are staggered to enable the flue gas to flow in the preheater, the flue gas needs to move up and down continuously, so that the circulation time of the flue gas in the preheater is improved, the flue gas is heated more completely, and the device can be moved by staff through the supporting columns 24 and the universal wheels 25, so that the flexibility of the device is improved.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a board-like air preheater, includes protective housing (1) and heat exchanger plate (2), its characterized in that: the inside at shell (1) is equipped with in top intercommunication of shell (1), shell (1) is equipped with blast pipe (3), shell (1)'s outer wall intercommunication is equipped with blast pipe (4), inner wall fixedly connected with support piece (5) of blast pipe (3), the inner wall of support piece (5) is connected with transmission bull stick (6) through the bearing, the outer wall fixedly connected with rotary fan blade (7) of transmission bull stick (6), rotary fan blade (7) are the slope form setting, the top fixedly connected with fly leaf (8) of transmission bull stick (6), the top fixedly connected with movable plate (9) of fly leaf (8), the outer wall of movable plate (9) has cup jointed movable part (10), one side fixedly connected with movable rod (11) of movable rod (10), one end fixedly connected with piston plate (12) of piston plate (12), outer wall sliding connection of piston plate (12) has case (13), one side intercommunication of liquid reserve tank (13) is equipped with fluid-discharge tube (14), the air inlet tube (14) is equipped with filter block (15) of filter block (15) fixed connection.
2. A plate air preheater as set forth in claim 1, wherein: one side of the liquid storage tank (13) is communicated with a liquid inlet pipe (16), and a one-way valve (17) is arranged on the outer wall of the liquid inlet pipe (16).
3. A plate air preheater as set forth in claim 1, wherein: one side of the air inlet pipe (3) is fixedly connected with a sealing gasket (18), and the movable rod (11) is slidably connected inside the sealing gasket (18).
4. A plate air preheater as set forth in claim 1, wherein: the outer wall fixedly connected with expansion ring (19) of transmission bull stick (6), the outer wall fixedly connected with cleaning board (20) of expansion ring (19), cleaning board (20) sliding connection is at the top of filtering cotton piece (15).
5. A plate air preheater as set forth in claim 3, wherein: one side of the air inlet pipe (3) is communicated with a dust exhaust pipe (21), one end of the dust exhaust pipe (21) is communicated with a dust storage box (22), and the dust storage box (22) is fixedly arranged on one side of the protective shell (1).
6. A plate air preheater as set forth in claim 1, wherein: one side of the heat exchange plate (2) is provided with heat exchange holes (23), the number of the heat exchange holes (23) is multiple, and the heat exchange holes (23) are staggered.
7. A plate air preheater as set forth in claim 5, wherein: the bottom of protective housing (1) fixedly connected with support column (24), the bottom of support column (24) rotates and is connected with universal wheel (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223045757.1U CN219243616U (en) | 2022-11-16 | 2022-11-16 | Plate-type air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223045757.1U CN219243616U (en) | 2022-11-16 | 2022-11-16 | Plate-type air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219243616U true CN219243616U (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223045757.1U Active CN219243616U (en) | 2022-11-16 | 2022-11-16 | Plate-type air preheater |
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| CN (1) | CN219243616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116870681A (en) * | 2023-07-10 | 2023-10-13 | 宜兴市宇翔机械科技有限公司 | Flue gas desulfurization purification system capable of recycling waste heat for industrial boiler and process thereof |
| CN116943350A (en) * | 2023-07-24 | 2023-10-27 | 江苏国强环保集团有限公司 | Dry desulfurization system for treating low-temperature flue gas and process thereof |
-
2022
- 2022-11-16 CN CN202223045757.1U patent/CN219243616U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116870681A (en) * | 2023-07-10 | 2023-10-13 | 宜兴市宇翔机械科技有限公司 | Flue gas desulfurization purification system capable of recycling waste heat for industrial boiler and process thereof |
| CN116943350A (en) * | 2023-07-24 | 2023-10-27 | 江苏国强环保集团有限公司 | Dry desulfurization system for treating low-temperature flue gas and process thereof |
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