CN212283218U

CN212283218U - High-efficient air filter of oven

Info

Publication number: CN212283218U
Application number: CN202020509946.1U
Authority: CN
Inventors: 万中梁; 李奎
Original assignee: Wuhu Huishi New Material Technology Co ltd
Current assignee: Wuhu Huishi New Material Technology Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-01-05
Anticipated expiration: 2030-04-09

Abstract

The utility model relates to the technical field of drying equipment, and discloses a high-efficiency air filtering device for an oven, which comprises a hot air through pipe, wherein one end of the hot air through pipe is fixedly provided with a second connecting ring, the other end of the hot air through pipe is fixedly provided with a first connecting ring, the side surface of the hot air through pipe is fixedly provided with a hot air inlet, an oven filtering device is arranged above the hot air inlet, a filter screen fixing frame, a filter cover and a filter screen are arranged inside the oven filtering device, a backflow prevention device is arranged above the oven filtering device, a flow baffle plate, a sealing ring and a second fixing block are arranged inside the backflow prevention device, a cold air inlet is arranged above the backflow prevention device, hot air backflow is avoided after the machine stops operating, the drying effect is improved, impurities in the air are removed, and the interior of the machine is kept clean, and the fixed frame can be dismantled, the filter mantle is favorable to wasing, life and filter effect improve.

Description

High-efficient air filter of oven

Technical Field

The utility model relates to a drying equipment technical field specifically is a high-efficient air filter of oven.

Background

In industrial production, dehumidification of specific products is required to obtain solid materials with a given moisture content, which requires the use of ovens, whereas conventional industrial ovens use heated air to dry the solid materials by transferring heat through the air, the purity of the heated air directly affecting the quality of the solid materials to be dried.

But the oven that has now on the market mostly lacks filtration equipment, directly extracts the use to cold air, and air impurity is too much, causes to be serious by the inside dirt of dry solid material and machine, and life is low, and after the machine stop operation, the stoving effect is influenced to the heat a large amount of backward flows. Accordingly, those skilled in the art have provided an efficient air filtering device for an oven to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient air filter of oven to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high-efficient air filter of oven, includes the hot-air siphunculus, the one end fixed mounting of hot-air siphunculus has the second go-between, and the other end fixed mounting of hot-air siphunculus has first connecting ring, the side fixed mounting of hot-air siphunculus has hot-air inlet, hot-air inlet's top is provided with oven filter equipment, oven filter equipment's inside is provided with fixed frame, filter mantle and filter screen, oven filter equipment's top is provided with anti-return device, anti-return device's inside is provided with keeps off and flows board, sealing ring and second fixed block, anti-return device's top is provided with cold air inlet.

As a further aspect of the present invention: the anti-backflow device comprises an anti-backflow inner cavity, a flow blocking plate, a first fixed block, a sealing groove, a sealing ring, a first air inlet, a second fixed block, a flow guiding pipe and a first air outlet, wherein the flow guiding pipe is arranged inside the anti-backflow inner cavity, the first air outlet is fixedly arranged on the left side of the anti-backflow inner cavity, the first air inlet is fixedly arranged on the right side of the anti-backflow inner cavity, the sealing ring is fixedly arranged on the two sides of the anti-backflow inner cavity, and the sealing groove is formed between the anti-backflow inner cavity and the sealing ring.

As a further aspect of the present invention: the oven filtering device comprises an oven door, a fixing frame, a second air inlet, a filter cover, an oven, a supporting plate, a second air outlet and a filter screen, wherein the second air inlet is fixedly arranged inside the oven, the front surface of the oven is hinged to the oven door, the filter cover is sleeved outside the second air inlet, the fixing frame is sleeved outside the filter cover, and the supporting plate is fixedly arranged on the lower surfaces of the fixing frame, the second air inlet and the filter cover.

As a further aspect of the present invention: the inside wall fixed mounting of honeycomb duct has first fixed block, and the inside wall of honeycomb duct installs the second fixed block at the positive opposite of first fixed block, be connected with between first fixed block and the second fixed block and keep off and flow the board.

As a further aspect of the present invention: and a second air outlet is fixedly arranged on the lower surface of the oven, and a filter screen is arranged in the second air outlet.

As a further aspect of the present invention: the lateral surface of the flow baffle is fixedly provided with a bayonet lock, and the lateral surface of the second fixed block is provided with a clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

when the air stops flowing, keep off and flow the board and fall and closely laminate between the second fixed block, utilize the seal ring to seal cold air inlet, avoid the machine to stop the function after, the hot-air backward flow, improve the stoving effect, through the fixed filter mantle of fixed frame, utilize filter mantle and filter screen to filter cold air, impurity in the de-aeration, improve the purity of stoving hot-air, keep the inside cleanness of machine, and can dismantle fixed frame, do benefit to and wash the filter mantle, improve life and filter effect.

Drawings

FIG. 1 is a schematic structural diagram of an efficient air filtering device of an oven;

FIG. 2 is a schematic structural diagram of a backflow prevention device in an efficient air filtering device of an oven;

fig. 3 is a schematic structural diagram of an oven filter device in an oven high-efficiency air filter device.

In the figure: 1. a cool air inlet; 2. a backflow prevention device; 21. an anti-backflow inner cavity; 22. a flow baffle plate; 23. a first fixed block; 24. a sealing groove; 25. a seal ring; 26. a first air inlet; 27. a second fixed block; 28. a flow guide pipe; 29. a first air outlet; 3. a drying oven filtering device; 31. a door of the oven; 32. a fixing frame; 33. a second air inlet; 34. a filter housing; 35. an oven; 36. a support plate; 37. a second air outlet; 38. a filter screen; 4. a first connecting ring; 5. a hot air inlet; 6. a hot air duct; 7. a second connecting ring.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, an efficient air filtering device for an oven includes a hot air duct 6, a second connecting ring 7 is fixedly installed at one end of the hot air duct 6, a first connecting ring 4 is fixedly installed at the other end of the hot air duct 6, a hot air inlet 5 is fixedly installed at a side surface of the hot air duct 6, an oven filtering device 3 is disposed above the hot air inlet 5, a fixing frame 32, a filter cover 34 and a filter screen 38 are disposed inside the oven filtering device 3, a backflow prevention device 2 is disposed above the oven filtering device 3, a flow baffle 22, a sealing ring 25 and a second fixing block 27 are disposed inside the backflow prevention device 2, the backflow prevention device 2 includes a backflow prevention inner cavity 21, a flow baffle 22, a first fixing block 23, a sealing groove 24, a sealing ring 25, a first air inlet 26, a second fixing block 27, a flow guide pipe 28 and a first air outlet 29, a flow guide pipe 28 is arranged in the anti-backflow inner cavity 21, a first air outlet 29 is fixedly arranged on the left side of the anti-backflow inner cavity 21, a first air inlet 26 is fixedly arranged on the right side of the anti-backflow inner cavity 21, sealing rings 25 are fixedly arranged on both sides of the anti-backflow inner cavity 21, a sealing groove 24 is arranged between the anti-backflow inner cavity 21 and the sealing rings 25, a first fixing block 23 is fixedly arranged on the inner side wall of the flow guide pipe 28, a second fixing block 27 is arranged on the inner side wall of the flow guide pipe 28 opposite to the first fixing block 23, a flow baffle plate 22 is connected between the first fixing block 23 and the second fixing block 27, a clamping pin is fixedly arranged on the side surface of the flow baffle plate 22, a clamping groove is formed in the side surface of the second fixing block 27, a cold air inlet 1 is arranged above the anti-backflow device 2, when air stops flowing, the flow baffle, after the machine stops operating, hot air backflow is avoided, and the drying effect is improved.

In fig. 3: the oven filtering device 3 comprises an oven door 31, a fixing frame 32, a second air inlet 33, a filter cover 34, an oven 35, a supporting plate 36, a second air outlet 37 and a filter screen 38, wherein the second air inlet 33 is fixedly installed inside the oven 35, the oven door 31 is hinged to the front surface of the oven 35, the filter cover 34 is sleeved outside the second air inlet 33, the fixing frame 32 is sleeved outside the filter cover 34, the supporting plate 36 is fixedly installed on the lower surfaces of the fixing frame 32, the second air inlet 33 and the filter cover 34, the second air outlet 37 is fixedly installed on the lower surface of the oven 35, the filter screen 38 is arranged inside the second air outlet 37, the filter cover 34 is fixed through the fixing frame 32, cold air is filtered by using the filter cover 34 and the filter screen 38, impurities in the air are removed, the purity of dried hot air is improved, the interior of the machine is kept clean, the fixing frame 32 can be disassembled, the service life and the filtering effect are improved.

The utility model discloses a theory of operation is: firstly, an external power supply is switched on to enable the machine to enter a working state, air enters a draft tube 28 from a cold air inlet 1 through a first air inlet 26, the flow baffle plate 22 is pushed away from a second fixed block 27 by using the impulsive force of the air and enters a second air inlet 33 in an oven 35 through a first air outlet 29, when the air stops flowing, the flow baffle plate 22 falls down to be tightly attached to the second fixed block 27, the cold air inlet is sealed by using a sealing ring 25, hot air backflow is avoided after the machine stops running, the drying effect is improved, the hot air flows out from a filter screen 38 in a second air outlet 37 after being filtered by a filter cover 34 in a fixed frame 32, enters a hot air through tube 6, flows out through a first connecting ring 4 and a second connecting ring 7, the filter cover 34 is fixed by the fixed frame 32, the cold air is filtered by the filter cover 34 and the filter screen 38, and impurities in the air are removed, improve the purity of stoving hot-air, keep the inside clean of machine to can dismantle fixed frame 32, do benefit to and wash filter mantle 34, improve life and filter effect.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An efficient air filtering device of an oven comprises a hot air through pipe (6) and is characterized in that, one end of the hot air through pipe (6) is fixedly provided with a second connecting ring (7), and the other end of the hot air through pipe (6) is fixedly provided with a first connecting ring (4), a hot air inlet (5) is fixedly arranged on the side surface of the hot air through pipe (6), an oven filtering device (3) is arranged above the hot air inlet (5), a fixing frame (32), a filtering cover (34) and a filtering net (38) are arranged inside the oven filtering device (3), a backflow prevention device (2) is arranged above the oven filtering device (3), a flow baffle plate (22), a sealing ring (25) and a second fixed block (27) are arranged inside the backflow preventing device (2), and a cold air inlet (1) is arranged above the backflow preventer (2).

2. The efficient air filtering device for the drying oven according to claim 1, wherein the backflow preventing device (2) comprises a backflow preventing inner cavity (21), a flow blocking plate (22), a first fixing block (23), a sealing groove (24), a sealing ring (25), a first air inlet (26), a second fixing block (27), a flow guiding pipe (28) and a first air outlet (29), the flow guiding pipe (28) is arranged inside the backflow preventing inner cavity (21), the first air outlet (29) is fixedly arranged on the left side of the backflow preventing inner cavity (21), the first air inlet (26) is fixedly arranged on the right side of the backflow preventing inner cavity (21), the sealing ring (25) is fixedly arranged on two sides of the backflow preventing inner cavity (21), and the sealing groove (24) is formed between the backflow preventing inner cavity (21) and the sealing ring (25).

3. The efficient air filtering device for the oven according to claim 1, wherein the oven filtering device (3) comprises an oven door (31), a fixing frame (32), a second air inlet (33), a filter cover (34), an oven (35), a supporting plate (36), a second air outlet (37) and a filter screen (38), the second air inlet (33) is fixedly installed inside the oven (35), the oven door (31) is hinged to the front surface of the oven (35), the filter cover (34) is sleeved outside the second air inlet (33), the fixing frame (32) is sleeved outside the filter cover (34), and the supporting plate (36) is fixedly installed on the lower surfaces of the fixing frame (32), the second air inlet (33) and the filter cover (34).

4. The efficient air filtering device for the oven according to claim 2, wherein a first fixing block (23) is fixedly installed on the inner side wall of the flow guide pipe (28), a second fixing block (27) is installed on the inner side wall of the flow guide pipe (28) and is opposite to the first fixing block (23), and a flow baffle plate (22) is connected between the first fixing block (23) and the second fixing block (27).

5. An oven high-efficiency air filtering device as claimed in claim 3, characterized in that a second air outlet (37) is fixedly installed on the lower surface of the oven (35), and a filter screen (38) is arranged inside the second air outlet (37).

6. The efficient air filtering device for the oven according to claim 4, wherein a bayonet lock is fixedly installed on the side surface of the flow baffle plate (22), and a bayonet lock is arranged on the side surface of the second fixing block (27).