CN209494943U - A kind of twayblade insulation air door with flexible sealing - Google Patents
A kind of twayblade insulation air door with flexible sealing Download PDFInfo
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- CN209494943U CN209494943U CN201821941698.7U CN201821941698U CN209494943U CN 209494943 U CN209494943 U CN 209494943U CN 201821941698 U CN201821941698 U CN 201821941698U CN 209494943 U CN209494943 U CN 209494943U
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- air door
- blade
- frame
- flexible sealing
- twayblade
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Abstract
The utility model discloses a kind of, and the twayblade with flexible sealing is insulated air door, including air door frame and the damper blade being assemblied in air door frame, damper blade drives its rotation by shaft and executing agency, damper blade includes the blade that blade frame and two pieces are respectively arranged on blade frame two sides, in blade frame between two pieces of blades filling heat insulator, waveform flexible sealing gasket is set between air door frame and damper blade, is sealed between air door frame and shaft using the seal box with graphite packing.Twayblade insulation air door of the utility model with flexible sealing can effectively reduce the thermal loss of heat exchanger air door by setting double blade structure, and the air door lower portion filling heat insulator between inside and outside two pieces of blades for damper blade;Meanwhile effectively working medium being avoided to leak so as to guarantee the sealing performance between damper blade and air door frame by the way that waveform flexible sealing gasket is arranged between air door frame and damper blade.
Description
Technical field
The utility model relates to industrial heat exchange device manufacturing technology fields, are used for heat exchanger and band more particularly, to one kind
The twayblade of flexible sealing is insulated air door.
Background technique
Industrial heat exchange device is usually provided with inlet and outlet air door, for controlling flowing into and out for hot and cold air, exchanges heat
The primary structure of device air door includes air door frame and the damper blade that is assemblied in air door frame, damper blade by with air door
Frame and the shaft and powered actuation mechanism of the mating setting of damper blade drive damper blade to rotate in air door frame, to realize
The aperture regulation of damper blade, shaft and be conventional mechanical knot in the prior art with the powered actuation mechanism of its mating reaction
Structure.As shown in Figure 1, heat exchanger shell outer wall is generally all provided with jacket, when heat exchanger work to reduce heat exchanger thermal loss
When making Yu Jiare or heat preservation operating condition, disengaging damper will be adjusted to closed state, so that heat exchanger is formed confined space, to exchange heat
Device can comparatively fast realize heating or persistently heat preservation;But since air door is usually that steel is used to be made, thermal coefficient is big, because
Even if this air door is in close state, an a large amount of thermal loss is also had, and due to manufacture and assembling deviation, the frame of air door,
There may be the leakages of different degrees of working medium for shaft and blade;Wherein, work caused by the gap between air door frame and shaft
Matter leakage is known as the leakage of air door, and the gap between damper blade and air door frame causes working medium to be leaked to from damper blade side
The other side, such case are known as the interior leakage of air door;The unfavorable factor that heat exchanger air door is limited to aforementioned three aspects influences, it will
Cause heat exchanger heating starting and heat preservation operation difficult.
Utility model content
Technical problem to be solved in the utility model is that provide a kind of band In view of the above shortcomings of the prior art soft
Property sealing twayblade be insulated air door.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of twayblade insulation with flexible sealing
Air door, including air door frame and at least one piece of damper blade being assemblied in the air door frame, each damper blade point
It a shaft being arranged through air door frame and damper blade and Tong Guo not be driven set on the executing agency of the roller end
It is rotated, and the damper blade includes the blade that blade frame and two pieces are respectively arranged on the blade frame two sides, in blade
The interior filling heat insulator between two pieces of blades of frame.
Further, it is reinforced in the blade for being provided with several piece regular arrangement in the blade frame between two pieces of blades
Rib, and two pieces of blades are separately fixed on the blade reinforcing rib.
Further, the heat-insulating material is alumina silicate fiber felt or high temperature glass wool.
Further, to be respectively equipped with a circle waveform flexibility on the inside of air door frame along the surrounding of every piece of damper blade close
Gasket.
Further, it is sealed between the air door frame and shaft using the seal box with graphite packing.
Further, it is connected by screw bolts between the air door frame and heat exchanger connecting flange, and in positive and negative connection
Flexible ceramic gasket is provided between flange.
Further, secondary seal is carried out using the weather-proof clay of high temperature between the connecting flange and bolt.
The beneficial effects of the utility model are:
Twayblade of the utility model with flexible sealing is insulated air door by setting double blade structure for damper blade, and
Air door lower portion filling heat insulator between inside and outside two pieces of blades can effectively reduce the heat damage of heat exchanger air door
It loses;Meanwhile by the way that waveform flexible sealing gasket is arranged between air door frame and damper blade, so as to guarantee air door leaf
Sealing performance between piece and air door frame effectively avoids the generation of interior leakage phenomenon;Also, by air door frame and shaft it
Between be sealed using the seal box with graphite packing, so as to guarantee the sealing performance between shaft and air door frame, have
Effect avoids the generation of leakage phenomenon;In addition, by being provided with being fixedly connected between heat exchanger and the positive and negative connecting flange of air door
Flexible ceramic gasket, and secondary seal is carried out using the weather-proof clay of high temperature between connecting flange and bolt, moreover it is possible to it is effectively ensured
The sealing performance of connecting flange junction, so that heat exchanger working medium be further prevented to leak;Therefore, the utility model band is soft
Property sealing twayblade insulation air door when can effectively solve the problem that conventional air door for heat exchanger because thermal loss is big, poor sealing performance
Caused by heat exchanger heating and the difficult technical problem of heat preservation, be highly widely popularized and use.
Detailed description of the invention
Fig. 1 is provided at the structural schematic diagram of the existing air door on heat exchanger;
Fig. 2 is the structural schematic diagram of twayblade insulation air door of the utility model with flexible sealing;
Fig. 3 is the structural schematic diagram that seal box is arranged between air door frame and shaft;
Fig. 4 is the structural representation for carrying out secondary seal using the weather-proof clay of high temperature between heat exchanger connecting flange and bolt
Figure;
In the figure, it is marked as 1- air door frame, 2- damper blade, 3- shaft, 4- powered actuation mechanism, 5- heat-insulating material, 6-
Seal box, the weather-proof clay of 7- high temperature, 8- blade, 9- graphite packing.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As Figure 1-Figure 4, twayblade of the utility model with flexible sealing is insulated air door, including rectangle air door frame 1
With at least one piece of rectangle damper blade 2 for being assemblied in the air door frame 1 and being paved with air door frame 1, each air door
Blade 2 passes through one through air door frame 1 and the shaft 3 of the setting of damper blade 2 and moving set on the roller end respectively
Power executing agency 4 drives damper blade 2 to rotate in air door frame 1, and realizes the aperture regulation to damper blade 2, described
Damper blade 2 includes the rectangular paddle that rectangular paddle frame and two pieces are respectively arranged on the blade frame two sides, in blade frame
It is interior that full heat-insulating material 5, according to the difference of heat exchanger operating temperature, the heat-insulating material are filled between two pieces of blades
5 can select lightweight alumina silicate fiber felt or high temperature glass wool etc..
Air door lower portion filling by setting double blade structure for damper blade, and between inside and outside two pieces of blades
Heat-insulating material can effectively reduce the thermal loss of heat exchanger air door.
As a preferred embodiment, several piece is being provided with along damper blade between two pieces of blades in the blade frame
The axially and transversely blade reinforcing rib of regular arrangement, and two pieces of blades pass through rivet respectively and are fixed on the several piece blade reinforcing
On rib, meanwhile, it is welded and fixed in blade with reinforcing rib outer ring with 6mm fillet weld, to enhance the whole strong of damper blade
Degree.
As a preferred embodiment, a circle wave is respectively equipped on the inside of air door frame 1 along the surrounding of every piece of damper blade 2
Shape wave flexible sealing gasket effectively avoids interior leakage phenomenon to guarantee the sealing performance between damper blade 2 and air door frame 1
Generation.
As a preferred embodiment, the seal box 6 with graphite packing is used between the air door frame 1 and shaft 3
It is sealed, to guarantee the sealing performance between shaft 3 and air door frame 1, effectively avoids the generation of leakage phenomenon.
As another preferred embodiment, it is connected by screw bolts between the air door frame and heat exchanger connecting flange, and
Flexible ceramic gasket is provided between positive and negative connecting flange, after bolt is tightened, then in the connecting flange and bolt
Between secondary seal is carried out using the weather-proof clay 7 of high temperature can further prevent to guarantee the sealing performance of connecting flange junction
Only working medium leaks.
In addition, the components of the utility model air door all use 316 austenite stainless steel to be made, it is ensured that
Air door overall structure thermal expansion coefficient having the same, thus guarantee the integrally-built expansion harmony of air door, heat-resisting quantity with
And corrosion resistance.
Twayblade of the utility model with flexible sealing is insulated air door by setting double blade structure for damper blade, and
Air door lower portion filling heat insulator between inside and outside two pieces of blades can effectively reduce the heat damage of heat exchanger air door
It loses;Meanwhile by the way that waveform flexible sealing gasket is arranged between air door frame and damper blade, so as to guarantee air door leaf
Sealing performance between piece and air door frame effectively avoids the generation of interior leakage phenomenon;Also, by air door frame and shaft it
Between be sealed using the seal box with graphite packing, so as to guarantee the sealing performance between shaft and air door frame, have
Effect avoids the generation of leakage phenomenon;In addition, by being provided with being fixedly connected between heat exchanger and the positive and negative connecting flange of air door
Flexible ceramic gasket, and secondary seal is carried out using the weather-proof clay of high temperature between connecting flange and bolt, moreover it is possible to it is effectively ensured
The sealing performance of connecting flange junction, so that heat exchanger working medium be further prevented to leak;It follows that the utility model
Because thermal loss is big, leakproofness when twayblade insulation air door with flexible sealing can effectively solve the problem that conventional air door for heat exchanger
The technical problem of heat exchanger heating and heat preservation difficulty caused by energy difference, is highly widely popularized and uses.
It should be understood that the above-mentioned specific embodiment of the utility model is used only for exemplary illustration or explains this reality
With novel principle, without constituting limitations of the present invention.Therefore, in the spirit and scope without departing from the utility model
In the case of any modification, the equivalent replacement etc. made, should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of twayblade with flexible sealing is insulated air door, including air door frame (1) and to be assemblied in the air door frame (1) interior
At least one piece of damper blade (2), each damper blade (2) is respectively by one through air door frame (1) and air door
The shaft (3) and drive its rotation set on the powered actuation mechanism (4) of the roller end that blade (2) is arranged, which is characterized in that
The damper blade (2) includes the blade (8) that blade frame and two pieces are respectively arranged on the blade frame two sides, in blade frame
The interior filling heat insulator (5) between two pieces of blades (8) of frame.
2. the twayblade according to claim 1 with flexible sealing is insulated air door, which is characterized in that in the blade frame
The blade reinforcing rib of several piece regular arrangement is provided in frame between two pieces of blades (8), and two pieces of blades (8) are separately fixed at institute
On the blade reinforcing rib stated.
3. the twayblade according to claim 1 with flexible sealing is insulated air door, which is characterized in that the heat-insulating material
It (5) is alumina silicate fiber felt or high temperature glass wool.
4. the twayblade according to claim 1 with flexible sealing is insulated air door, which is characterized in that along every piece of air door leaf
The surrounding of piece (2) is respectively equipped with a circle waveform flexible sealing gasket on the inside of air door frame (1).
5. the twayblade according to claim 1 with flexible sealing is insulated air door, which is characterized in that in the air door
It is sealed between frame (1) and shaft (3) using the seal box (6) with graphite packing (9).
6. the twayblade according to claim 1 with flexible sealing is insulated air door, which is characterized in that the air door frame
It is connected by screw bolts between heat exchanger connecting flange, and is provided with flexible ceramic gasket between positive and negative connecting flange.
7. the twayblade according to claim 6 with flexible sealing is insulated air door, which is characterized in that the connecting flange
Secondary seal is carried out using the weather-proof clay of high temperature (7) between bolt.
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CN201821941698.7U CN209494943U (en) | 2018-11-23 | 2018-11-23 | A kind of twayblade insulation air door with flexible sealing |
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CN201821941698.7U CN209494943U (en) | 2018-11-23 | 2018-11-23 | A kind of twayblade insulation air door with flexible sealing |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109442051A (en) * | 2018-11-23 | 2019-03-08 | 东方电气集团东方锅炉股份有限公司 | A kind of twayblade insulation air door with flexible sealing |
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2018
- 2018-11-23 CN CN201821941698.7U patent/CN209494943U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109442051A (en) * | 2018-11-23 | 2019-03-08 | 东方电气集团东方锅炉股份有限公司 | A kind of twayblade insulation air door with flexible sealing |
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