Waste gas recycling and filtering device during waste incineration

Abstract

The utility model relates to a waste gas recycling and filtering device during waste incineration. The waste gas recycling and filtering device comprises a tank body, one side of the tank body is communicated with an air inlet, the other side of the tank body is communicated with an air outlet, the bottom of the tank body is fixedly connected with a motor, the top of the motor is fixedly connected with a rotating shaft, two filter screens are arranged on the outer side of the rotating shaft, the filter screens are fixedly connected with the tank body, and the rotating shaft is rotatably connected with the filter screens. The motor is arranged to drive the rotating shaft to rotate, so that the fan blades generate wind power to guide waste gas, the waste gas stays in the tank body for a longer time and repeatedly penetrates through the filter screen to be fully filtered, and meanwhile, the wind power generated by the fan blades acts on the filter screen, so that the waste gas is fully filtered. And particles adhered and blocked on the filter screen fall off, so that the filtering efficiency of the waste gas can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field especially is a kind of waste gas recovery filter device when waste is incinerated. BACKGROUND

[0002] The treatment of waste usually adopts incineration treatment mode, but a large amount of dust and acid gas will be generated after incineration treatment, which cannot be directly discharged into the air, otherwise the atmospheric environment will be seriously damaged, so the waste gas needs to be treated.

[0003] In the existing filter device, the effect of treating dust particles is not ideal. When the amount of waste gas is too much, the filter system is easy to be blocked, which will reduce the efficiency of waste gas treatment. UTILITY MODEL CONTENT

[0004] Therefore, the utility model solves the technical problems in the prior art.

[0005] To solve the above technical problems, the utility model provides a waste gas recovery filter device when waste is incinerated, which comprises a tank body; the tank body is communicated with an air inlet on one side, and an air outlet on the other side; a motor is fixedly connected to the bottom of the tank body; a rotating shaft is fixedly connected to the top of the motor; two filter screens are arranged outside the rotating shaft; the filter screens are fixedly connected to the tank body; the rotating shaft is rotatably connected to the filter screens; a plurality of fan blades are fixedly connected to the top of the rotating shaft; when working, waste gas enters the tank body from the air inlet, moves upward in the tank body, contacts the filter screens, and is filtered by the filter screens; the motor is started, the motor drives the rotating shaft to rotate, and then drives the fan blades to rotate; the fan blades rotate to generate wind power, guide the waste gas downward, prolong the residence time of the waste gas in the tank body, make the waste gas contact the filter screens more fully, improve the filtering efficiency, and the fan blades also act on the filter screens to blow off the particles blocked on the filter screens, reduce the influence on waste gas filtration, and finally the waste gas is discharged from the air outlet for recovery; the motor drives the rotating shaft to rotate, the fan blades generate wind power, guide the waste gas, make the waste gas stay in the tank body for a longer time, pass through the filter screens repeatedly, get sufficient filtration, and the wind power generated by the fan blades acts on the filter screens to make the particles attached to the filter screens fall off, so as to improve the filtering efficiency of the waste gas.

[0006] In an embodiment of the utility model, the filter screen bottom is equipped with a support, the support is fixedly connected with the rotating shaft, one end of the support is rotatably connected with a roller, a plurality of protrusions are fixedly connected on the roller surface, the roller corresponds to the filter screen, when working, when the rotating shaft rotates, the support also rotates, the roller moves along the filter screen, the protrusions on the roller have extrusion and oscillation effect on the filter screen, can shake off the particles accumulated on the filter screen, reduce the particle blockage of the filter screen, further reduce the working efficiency of the filter screen, through setting the roller to move along the filter screen following the rotating shaft, the protrusions oscillate and shake the filter screen, shake off the particles accumulated on the filter screen, to improve the filtration efficiency of the waste gas.

[0007] In an embodiment of the utility model, the tank top is communicated with an external water pipe, the fan blade top is equipped with a plurality of water spraying ports, the water spraying ports are communicated with the tank, when working, the external water pipe is communicated with a cold water source, water enters the external water pipe and is sprayed from the water spraying ports, the waste gas in the tank is cooled, the fan blade cuts and disperses the water sprayed from the water spraying ports, so that the water spraying is more uniform, and the waste gas in the tank is fully cooled.

[0008] In an embodiment of the utility model, the filter screen top and bottom are both equipped with guide plates, the guide plates are fixedly connected with the tank, when working, water beads gather on the tank inner wall and fall to the tank bottom under the guidance of the guide plates, too much water does not cause excessive humidity in the internal space and affect the waste gas filtration.

[0009] In an embodiment of the utility model, the filter screen bottom is equipped with two water collecting tanks, the water collecting tank 5 outer side is equipped with a placing opening, the placing opening is arranged on the tank surface, the water collecting tank is slidably connected with the placing opening, when working, the water collecting tank collects the water guided by the guide plate, the placing opening facilitates the water collecting tank taking out, and facilitates the water collected by the water collecting tank processing.

[0010] In an embodiment of the utility model, the water collecting tank outer side is fixedly connected with a sealing ring, the sealing ring corresponds to the placing opening, when working, when the water collecting tank is closed in the placing opening, the sealing ring completely fills the gap between the water collecting tank and the placing opening, and reduces the waste gas leakage phenomenon.

[0011] In an embodiment of the utility model, the water collecting tank bottom is equipped with a plurality of sponge blocks, the sponge blocks are fixedly connected with the water collecting tank, when working, when water falls into the water collecting tank, the sponge blocks absorb the water, reduce the water splashing phenomenon, and facilitate the water collecting of the water collecting tank.

[0012] In an embodiment of the utility model, the filter screen shape is set as a circular truncated cone, the guide plate is set as a wave shape, when working, the circular truncated cone of the filter screen can increase the contact area with the waste gas, and the wave shape of the guide plate facilitates the water falling into the water collecting tank.

[0013] Compared with the prior art, the above technical scheme of the utility model has the following advantages:

[0014] The waste gas recovery filtering device for waste incineration has the advantages that: the motor drives the rotating shaft to rotate, the fan blades generate wind power, the waste gas is guided, the waste gas stays in the tank body for a longer time, repeatedly passes through the filter screen, is fully filtered, and the wind power generated by the fan blades acts on the filter screen to make the particles attached to and clogging the filter screen fall off, so that the filtering efficiency of the waste gas is improved.

[0015] The waste gas recovery filtering device for waste incineration has the advantages that: the motor drives the rotating shaft to rotate, the fan blades generate wind power, the waste gas is guided, the waste gas stays in the tank body for a longer time, repeatedly passes through the filter screen, is fully filtered, and the wind power generated by the fan blades acts on the filter screen to make the particles attached to and clogging the filter screen fall off, so that the filtering efficiency of the waste gas is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the content of the utility model more easily understood clearly, the utility model will be further described in detail below according to the specific embodiments of the utility model and in combination with the drawings.

[0017] Figure 1 is a perspective view of the utility model;

[0018] Figure 2 is a structural schematic view of the tank body of the utility model;

[0019] Figure 3 is a structural schematic view of the roller of the utility model;

[0020] Figure 4 is a structural schematic view of the guide plate of the utility model;

[0021] Figure 5 is a structural schematic view of the water collecting tank of the utility model;

[0022] The reference signs in the drawings of the specification are as follows: 1, tank body; 101, air inlet; 102, air outlet; 11, motor; 12, rotating shaft; 13, filter screen; 14, fan blade; 2, supporting rod; 21, roller; 22, protruding block; 3, external water pipe; 31, water spraying opening; 4, guide plate; 5, water collecting tank; 51, placing opening; 6, sealing ring; 7, sponge block. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiments are not as the limitation of the utility model.

[0024] REFERENCE Figure 1As shown, the utility model discloses a kind of waste gas recovery filtering devices when waste incineration, including tank body 1;The tank body 1 one side is connected with air inlet 101, the tank body 1 other side is connected with gas outlet 102, the tank body 1 bottom is fixedly connected with motor 11, the motor 11 top is fixedly connected with rotating shaft 12, the rotating shaft 12 outside is equipped with two filter screens 13, the filter screen 13 is fixedly connected with tank body 1, the rotating shaft 12 is rotatably connected with filter screen 13, the rotating shaft 12 top is fixedly connected with multiple fan blades 14, when working, waste gas enters tank body 1 from air inlet 101, waste gas moves upwards in tank body 1, and contacts filter screen 13, filter screen 13 filters waste gas, motor 11 starts, motor 11 drives rotating shaft 12 to rotate, and then drives fan blade 14 to rotate, fan blade 14 rotation generates wind power, and waste gas is guided downwards, so that it stays in tank body 1 for longer time, makes waste gas more fully contact filter screen 13, improves filtering efficiency, while fan blade 14 also acts on filter screen 13, blows off the particles clogging on filter screen 13, reduces the influence on waste gas filtration, and finally waste gas is discharged from gas outlet 102 and recycled;By setting motor 11 drives rotating shaft 12 to rotate, and then make fan blade 14 generate wind power, guide waste gas, make waste gas stay in tank body 1 for longer time, make it pass through filter screen 13 repeatedly, obtain sufficient filtration, while the wind power generated by fan blade 14 acts on filter screen 13, and the particles clogging on filter screen 13 fall off, so as to improve the filtering efficiency of waste gas.

[0025] Refer to Figure 1 As shown, the filter screen 13 bottom is equipped with support rod 2, the support rod 2 is fixedly connected with rotating shaft 12, one end of the support rod 2 is rotatably connected with roller 21, the roller 21 surface is fixedly connected with multiple protrusions 22, the roller 21 corresponds with filter screen 13, when working, rotating shaft 12 rotates, and support rod 2 also rotates, and roller 21 moves along filter screen 13, and the protrusion 22 on roller 21 has extrusion and oscillation effect on filter screen 13, can shake off the particles accumulated on filter screen 13, reduce the particles clogging filter screen 13, and then reduce the working efficiency of filter screen 13;By setting roller 21 moves along filter screen 13 following rotating shaft 12, and protrusion 22 shakes filter screen 13, shakes off the particles accumulated on filter screen 13, to improve the filtering efficiency of waste gas.

[0026] Refer to Figure 1 As shown, the tank body 1 top is connected with external water pipe 3, the fan blade 14 top is equipped with multiple water spraying ports 31, the water spraying port 31 is connected with tank body 1, when working, external water pipe 3 is connected with cold water source, and water is sprayed from water spraying port 31 after entering external water pipe 3, to cool waste gas in tank body 1, and fan blade 14 cuts and disperses the water sprayed from water spraying port 31, so that water spraying is more uniform, and waste gas in tank body 1 is fully cooled.

[0027] Referring to Figure 1 As shown in the drawings, the filter screen 13 is provided with a guide plate 4 at the top and the bottom, and the guide plate 4 is fixedly connected with the tank body 1. During operation, water droplets are gathered on the inner wall of the tank body 1 and fall to the bottom of the tank body 1 under the guidance of the guide plate 4, thereby reducing the excessive moisture in the internal space and affecting the filtration of the exhaust gas.

[0028] Referring to Figure 1 As shown in the drawings, the filter screen 13 is provided with a guide plate 4 at the top and the bottom, and the guide plate 4 is fixedly connected with the tank body 1. During operation, water droplets are gathered on the inner wall of the tank body 1 and fall to the bottom of the tank body 1 under the guidance of the guide plate 4, thereby reducing the excessive moisture in the internal space and affecting the filtration of the exhaust gas.

[0029] Referring to Figure 1 As shown in the drawings, the filter screen 13 is provided with a guide plate 4 at the top and the bottom, and the guide plate 4 is fixedly connected with the tank body 1. During operation, water droplets are gathered on the inner wall of the tank body 1 and fall to the bottom of the tank body 1 under the guidance of the guide plate 4, thereby reducing the excessive moisture in the internal space and affecting the filtration of the exhaust gas.

[0030] Referring to Figure 1 As shown in the drawings, the filter screen 13 is provided with a guide plate 4 at the top and the bottom, and the guide plate 4 is fixedly connected with the tank body 1. During operation, water droplets are gathered on the inner wall of the tank body 1 and fall to the bottom of the tank body 1 under the guidance of the guide plate 4, thereby reducing the excessive moisture in the internal space and affecting the filtration of the exhaust gas.

[0031] Referring to Figure 1 As shown in the drawings, the filter screen 13 is provided with a guide plate 4 at the top and the bottom, and the guide plate 4 is fixedly connected with the tank body 1. During operation, water droplets are gathered on the inner wall of the tank body 1 and fall to the bottom of the tank body 1 under the guidance of the guide plate 4, thereby reducing the excessive moisture in the internal space and affecting the filtration of the exhaust gas.

[0032] Working principle: the exhaust gas enters the tank body 1 from the air inlet 101, the exhaust gas moves upward in the tank body 1 and contacts the filter screen 13, the filter screen 13 filters the exhaust gas, the motor 11 is started, the motor 11 drives the rotating shaft 12 to rotate, and then drives the fan blade 14 to rotate, the fan blade 14 rotates to generate wind power, the exhaust gas is guided downward, the residence time of the exhaust gas in the tank body 1 is prolonged, the exhaust gas is more fully contacted with the filter screen 13, and the filtering efficiency is improved; meanwhile, the fan blade 14 also acts on the filter screen 13, and the particles clogging the filter screen 13 are blown off, so that the influence of the particles on the filtering of the exhaust gas is reduced, and finally the exhaust gas is discharged from the air outlet 102 and recycled; the motor 11 is arranged to drive the rotating shaft 12 to rotate, and then the fan blade 14 generates wind power, the exhaust gas is guided, the residence time of the exhaust gas in the tank body 1 is longer, the exhaust gas repeatedly passes through the filter screen 13, is fully filtered, meanwhile, the wind power generated by the fan blade 14 acts on the filter screen 13, and the particles clogging the filter screen 13 are shaken off, so that the filtering efficiency of the exhaust gas is improved; when the rotating shaft 12 rotates, the supporting rod 2 also rotates, the roller 21 moves along the filter screen 13, the protrusions 22 on the roller 21 have extrusion and oscillation effects on the filter screen 13, the particles accumulated on the filter screen 13 are shaken off, the particles clogging the filter screen 13 are reduced, and then the working efficiency of the filter screen 13 is reduced; the roller 21 is arranged to move along the filter screen 13 with the rotating shaft 12, the protrusions 22 oscillate the filter screen 13, and the particles accumulated on the filter screen 13 are shaken off, so that the filtering efficiency of the exhaust gas is improved; the external water pipe 3 is connected to a cold water source, water enters the external water pipe 3 and is sprayed from the water spraying port 31, the exhaust gas in the tank body 1 is cooled, the fan blade 14 cuts and disperses the water sprayed from the water spraying port 31, so that the water is sprayed more uniformly, the exhaust gas in the tank body 1 is fully cooled, the water droplets are accumulated on the inner wall of the tank body 1 and fall to the bottom of the tank body 1 under the guidance of the guide plate 4, the excessive water is reduced, the humidity in the internal space is reduced, and the filtering of the exhaust gas is affected, the water collecting tank 5 collects the water guided by the guide plate 4, the placing opening 51 facilitates the water collecting tank 5 to be taken out, the water collected by the water collecting tank 5 is conveniently treated, when the water collecting tank 5 is closed in the placing opening 51, the sealing ring 6 completely fills the gap between the water collecting tank 5 and the placing opening 51, and the phenomenon of exhaust gas leakage is reduced, when the water falls into the water collecting tank 5, the sponge block 7 absorbs the water, the phenomenon of water splashing is reduced, and the water collecting tank 5 collects the water conveniently, the circular truncated cone shape of the filter screen 13 can increase the contact area with the exhaust gas, and the wave shape of the guide plate 4 facilitates the water to fall into the water collecting tank 5.

[0033] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. Other different forms of changes or variations can be made on the basis of the above description for those skilled in the art. All the embodiments do not need to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A waste gas recovery and filtration device for waste incineration, comprising a tank (1); characterized in that: The tank (1) has an air inlet (101) connected to one side and an air outlet (102) connected to the other side. A motor (11) is fixedly connected to the bottom of the tank (1). A rotating shaft (12) is fixedly connected to the top of the motor (11). Two filters (13) are provided on the outside of the rotating shaft (12). The filters (13) are fixedly connected to the tank (1). The rotating shaft (12) is rotatably connected to the filters (13). Multiple fan blades (14) are fixedly connected to the top of the rotating shaft (12).

2. The waste gas recovery and filtration device for waste incineration according to claim 1, characterized in that: The filter screen (13) has a support rod (2) at the bottom. The support rod (2) is fixedly connected to the rotating shaft (12). One end of the support rod (2) is rotatably connected to a roller (21). Multiple protrusions (22) are fixedly connected to the surface of the roller (21). The roller (21) corresponds to the filter screen (13).

3. The waste gas recovery and filtration device for waste incineration according to claim 2, characterized in that: The top of the tank (1) is connected to an external water pipe (3), and the top of the fan blade (14) is provided with multiple water spray nozzles (31), which are connected to the tank (1).

4. The waste gas recovery and filtration device for waste incineration according to claim 3, characterized in that: The filter screen (13) is provided with guide plates (4) at the top and bottom, and the guide plates (4) are fixedly connected to the tank (1).

5. The waste gas recovery and filtration device for waste incineration according to claim 4, characterized in that: The filter screen (13) has two water collection tanks (5) at the bottom. The water collection tanks (5) have a placement port (51) on the outside. The placement port (51) is opened on the surface of the tank body (1). The water collection tanks (5) and the placement port (51) are slidably connected.

6. The waste gas recovery and filtration device for waste incineration according to claim 5, characterized in that: A sealing ring (6) is fixedly connected to the outside of the water collection tank (5), and the sealing ring (6) corresponds to the placement port (51).

7. The waste gas recovery and filtration device for waste incineration according to claim 6, characterized in that: The bottom of the water collection tank (5) is provided with multiple sponge blocks (7), and the sponge blocks (7) are fixedly connected to the water collection tank (5).

8. The waste gas recovery and filtration device for waste incineration according to claim 7, characterized in that: The filter screen (13) is shaped like a frustum, and the guide plate (4) is shaped like a wave.

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