Drying oven waste gas treatment device

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to a drying oven waste gas treatment device which comprises a drying oven, a dust filter, an activated carbon adsorber and a fan, the dust filter is installed at a drying oven exhaust port in the top of the drying oven, and the top of the dust filter is communicated with the bottom end of an exhaust branch pipe; the top end of the exhaust branch pipe is communicated with the front section of the exhaust main pipe, the middle section of the exhaust main pipe is connected with an activated carbon adsorber air inlet of the activated carbon adsorber, an activated carbon adsorber air outlet of the activated carbon adsorber is connected with a draught fan air inlet of the draught fan, and a draught fan air outlet of the draught fan is connected with the rear section of the exhaust main pipe. And a rear-section exhaust port of the exhaust manifold is communicated with the outside. Through the parallel connection mode, the effect of centralized treatment of waste gas of a plurality of drying ovens can be achieved, and the waste gas treatment efficiency is improved; the working environment is optimized, the body health and safety of workers are guaranteed, waste gas reaches the emission standard, and air pollution is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field especially relates to a drying oven waste gas treatment device. BACKGROUND

[0002] The drying oven is widely used in chemical industry, ceramics, pharmacy, printing and other industries, and is mainly used for drying, curing, baking and other treatments of materials, and the physical or chemical properties of the materials are changed by heating air and circulating flow. In the ceramic powder production industry, drying oven is often used to dry slurry. However, during the drying process of the slurry, the organic matter contained in the slurry will produce strong irritating odor gas and even toxic gas when volatilizing, and the waste gas will be mixed with dust particles. If this kind of waste gas is directly discharged into the workshop through the exhaust hole of the drying oven, it will greatly pollute the air environment in the workshop and seriously affect the health of workers, or it will be directly discharged into the outdoor environment through the pipeline without treatment, which will also cause serious air pollution.

[0003] Based on the above problems, the utility model provides a drying oven waste gas treatment device. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of prior art, providing a drying oven waste gas treatment device, which can realize the effect of centralized treatment of waste gas of multiple drying ovens through parallel connection, improve the waste gas treatment efficiency, optimize the working environment, ensure the health and safety of workers, make the waste gas meet the emission standard, and avoid air pollution.

[0005] In order to realize the purpose of the utility model, the technical scheme adopted by the utility model is:

[0006] The utility model discloses a drying oven waste gas treatment device, including drying oven, dust filter, activated carbon adsorber and fan, the dust filter is installed at the top of drying oven exhaust port, the top of dust filter is connected with the bottom end of exhaust branch pipe, the top end of exhaust branch pipe is connected with the front section of exhaust main pipe, the middle section of exhaust main pipe is connected with the activated carbon adsorber inlet of activated carbon adsorber, the activated carbon adsorber outlet of activated carbon adsorber is connected with the fan inlet of fan, the fan outlet of fan is connected with the rear section of exhaust main pipe, and the rear section exhaust port of exhaust main pipe is communicated with outdoor.

[0007] The front section outer wall bottom of exhaust main pipe is connected with not less than two drying ovens through exhaust branch pipe and dust filter.

[0008] The dust filter is a hollow square structure with an open bottom, and the bottom is installed above the exhaust port of the oven by a U-shaped magnetic sealing strip.

[0009] A plurality of dust filter screens are installed between the inner walls of the dust filter in parallel at equal intervals along the height direction of the dust filter.

[0010] A valve is arranged at the connection between the exhaust branch pipe and the exhaust main pipe.

[0011] The active carbon adsorber comprises an adsorber shell, a first active carbon plate, a second active carbon plate, a third active carbon plate, a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate, the adsorber shell is a hollow cylindrical structure with a tapered end, the adsorber shell is provided with an active carbon adsorber air inlet and an active carbon adsorber air outlet at two ends respectively, the first active carbon plate, the second active carbon plate and the third active carbon plate are arranged in the inner cavity of the adsorber shell at equal intervals along the height direction of the adsorber shell, the front end face of the first active carbon plate is connected with the lower rear wall of the first connecting plate, and the top end of the first connecting plate is connected with the front side of the top of the inner cavity of the adsorber shell; the rear end faces of the first active carbon plate and the second active carbon plate are connected through the second connecting plate; the front end faces of the second active carbon plate and the third active carbon plate are connected through the third connecting plate; the rear end face of the third active carbon plate is connected with the upper front wall of the fourth connecting plate, and the bottom end of the fourth connecting plate is connected with the rear side of the bottom of the inner cavity of the adsorber shell.

[0012] The fan is electrically connected with the independent control switch through wires.

[0013] The active carbon adsorber of the utility model has the advantages that:

[0014] (1) The waste gas in the oven is first discharged into the dust filter through the oven exhaust port for first-round filtration, and then is filtered through the active carbon adsorber for second-round filtration, so that the working environment is optimized, the health and safety of workers are ensured, the waste gas reaches the emission standard, and air pollution is avoided.

[0015] (2) The structure of the active carbon adsorber can effectively divide the internal space of the adsorber shell into multiple areas, ensure uniform circulation of the waste gas, and improve the adsorption efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the activated carbon adsorber in this utility model.

[0018] In the diagram: 1. Oven; 2. Oven top exhaust port; 3. Dust filter; 4. Exhaust branch pipe; 5. Exhaust main pipe; 6. Activated carbon adsorber; 7. Activated carbon adsorber inlet; 8. Activated carbon adsorber outlet; 9. Fan; 10. Fan inlet; 11. Fan outlet; 301. U-shaped magnetic sealing strip; 302. Dust filter screen; 401. Valve; 601. Adsorber housing; 602. First activated carbon plate; 603. Second activated carbon plate; 604. Third activated carbon plate; 605. First connecting plate; 606. Second connecting plate; 607. Third connecting plate; 608. Fourth connecting plate; 901. Control switch. Detailed Implementation

[0019] The present invention will be further described below:

[0020] Please see Figures 1-2 ,

[0021] This utility model discloses a device for treating exhaust gas from an oven, such as... Figure 1 As shown, the system includes an oven 1, a dust filter 3, an activated carbon adsorber 6, and a fan 9. The dust filter 3 is installed at the oven exhaust port 2 on the top of the oven 1. The top of the dust filter 3 is connected to the bottom of an exhaust branch pipe 4. The top of the exhaust branch pipe 4 is connected to the front section of an exhaust main pipe 5. The middle section of the exhaust main pipe 5 is connected to the activated carbon adsorber inlet 7 of the activated carbon adsorber 6. The activated carbon adsorber outlet 8 of the activated carbon adsorber 6 is connected to the fan inlet 10 of the fan 9. The fan outlet 11 of the fan 9 is connected to the rear section of the exhaust main pipe 5. The exhaust port of the rear section of the exhaust main pipe 5 is connected to the outside. The exhaust gas in the oven 1 first passes through the oven exhaust port 2 and enters the dust filter 3 for the first round of filtration, and then passes through the activated carbon adsorber 6 for the second round of filtration. This optimizes the working environment, ensures the health and safety of workers, and ensures that the exhaust gas meets emission standards, avoiding air pollution. The structure is simple, requires little investment, and only a small number of devices need to be purchased and added to the existing oven.

[0022] Furthermore, at least two ovens 1 are equidistantly connected to the bottom of the outer wall of the front section of the exhaust main pipe 5 via exhaust branch pipes 4 and dust filters 3. By connecting them in parallel, the exhaust gas from multiple ovens can be centrally treated, thus improving the exhaust gas treatment efficiency.

[0023] Further, the dust filter 3 is a square structure with a hollow bottom opening, the bottom of which is installed above the exhaust port 2 of the oven 1 by a U-shaped magnetic seal strip 301, the top of the dust filter 3 is provided with an opening communicating with the bottom end of the exhaust branch pipe 4, and a plurality of dust filter screens 302 are arranged between the inner walls of the dust filter 3 along the height direction. The dust filter 3 is installed on the top of the oven 1 by the U-shaped magnetic seal strip 301, which is convenient for installation and removal, and does not need to damage the top of the oven.

[0024] Further, a plurality of dust filter screens 302 are installed between the inner walls of the dust filter 3 in parallel from the bottom to the top in order of the mesh size from small to large, which can effectively filter out dust particles in the exhaust gas, and when the dust filter screen 302 is blocked, the filter screen can be taken out from the bottom of the dust filter 3 for cleaning.

[0025] Further, a valve 401 is arranged at the connection between the exhaust branch pipe 4 and the exhaust main pipe 5, which can close the exhaust branch pipe 4 connected with a certain oven 1 when the oven 1 is not used, and block the communication with the exhaust main pipe 5.

[0026] Further, as shown in FIG. 6, the exhaust branch pipe 4 is provided with a plurality of exhaust branch pipes 4, each of which is connected with a certain oven 1, and the exhaust main pipe 5 is provided with a plurality of exhaust main pipes 5, each of which is connected with a plurality of exhaust branch pipes 4. Figure 2As shown, the activated carbon adsorber 6 comprises an adsorber shell 601, a first activated carbon plate 602, a second activated carbon plate 603, a third activated carbon plate 604, a first connecting plate 605, a second connecting plate 606, a third connecting plate 607 and a fourth connecting plate 608, the adsorber shell 601 is a hollow cylindrical structure with tapered ends, the adsorber shell 601 is provided with an activated carbon adsorber air inlet 7 and an activated carbon adsorber air outlet 8 at the two ends respectively, the first activated carbon plate 602, the second activated carbon plate 603 and the third activated carbon plate 604 are sequentially and equidistantly arranged in the inner cavity of the adsorber shell 601 along the height direction, the front end face of the first activated carbon plate 602 is connected with the lower rear wall of the first connecting plate 605, and the top end of the first connecting plate 605 is connected with the front side of the top of the inner cavity of the adsorber shell 601; the rear end faces of the first activated carbon plate 602 and the second activated carbon plate 603 are connected through the second connecting plate 606; the front end faces of the second activated carbon plate 603 and the third activated carbon plate 604 are connected through the third connecting plate 607; the rear end face of the third activated carbon plate 604 is connected with the upper front wall of the fourth connecting plate 608, and the bottom end of the fourth connecting plate 608 is connected with the rear side of the bottom of the inner cavity of the adsorber shell 601, the exhaust gas enters the inner cavity of the adsorber shell 1 through the activated carbon adsorber air inlet 7, is blocked by the first connecting plate 605 and the third connecting plate 607, and is divided into two paths, the first path of exhaust gas flows between the first activated carbon plate 602 and the second activated carbon plate 603, the first path of exhaust gas is blocked by the second connecting plate 606 and is filtered through the first activated carbon plate 602 and the second activated carbon plate 603; the second path of exhaust gas flows to the bottom of the third activated carbon plate 603 through the gap between the bottom of the third connecting plate 607 and the bottom of the inner cavity of the adsorber shell 601, the second path of exhaust gas is blocked by the fourth connecting plate 608 and is filtered through the third activated carbon plate 604, and the filtered gas flows out through the activated carbon adsorber air outlet 8, and the structure of the activated carbon adsorber 6 can effectively divide the internal space of the adsorber shell 601 into multiple areas, ensure uniform flow of exhaust gas, and the three activated carbon plates can effectively filter the exhaust gas, thereby improving the adsorption efficiency.

[0027] Further, the fan 9 is electrically connected with the independent control switch 901 through wires, and the start and stop of the fan 9 can be independently controlled as required.

[0028] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent transformation or direct or indirect application in the related technical field according to the content of the present application specification and drawings is also included in the patent protection range of the present application.

Claims

1. An oven exhaust treatment device characterized by: Including oven (1), dust filter (3), activated carbon adsorber (6) and fan (9), the oven (1) top oven exhaust (2) is equipped with dust filter (3), the top of dust filter (3) is communicated with the bottom end of exhaust branch pipe (4), the top end of exhaust branch pipe (4) is communicated with the front section of exhaust main pipe (5), the middle section of exhaust main pipe (5) is connected with the activated carbon adsorber inlet (7) of activated carbon adsorber (6), the activated carbon adsorber outlet (8) of activated carbon adsorber (6) is connected with the fan inlet (10) of fan (9), the fan outlet (11) of fan (9) is connected with the rear section of exhaust main pipe (5), and the rear section exhaust outlet of exhaust main pipe (5) is communicated with outdoor.

2. An oven exhaust treatment device according to claim 1, wherein: The front section of the exhaust main pipe (5) is connected with not less than two ovens (1) through the equidistant connection of the exhaust branch pipe (4) and the dust filter (3) on the bottom of the outer wall.

3. The oven exhaust treatment apparatus of claim 1, wherein: The dust filter (3) is a square structure with a hollow bottom opening, and the bottom is installed above the oven exhaust outlet (2) of the oven (1) through a U-shaped magnetic suction sealing strip (301), the top of the dust filter (3) is provided with an opening communicated with the bottom end of the exhaust branch pipe (4), and a plurality of dust filter screens (302) are arranged between the inner walls of the dust filter (3) along the height direction.

4. An oven exhaust treatment apparatus as defined in claim 3, wherein: A plurality of dust filter screens (302) are installed between the inner walls of the dust filter (3) in parallel from small to large mesh from the bottom to the top of the dust filter (3) in order.

5. The oven exhaust treatment apparatus of claim 1, wherein: The connection between the exhaust branch pipe (4) and the exhaust main pipe (5) is provided with a valve (401).

6. The oven exhaust treatment device of claim 1, wherein: The active carbon adsorber (6) comprises an adsorber shell (601), a first active carbon plate (602), a second active carbon plate (603), a third active carbon plate (604), a first connecting plate (605), a second connecting plate (606), a third connecting plate (607) and a fourth connecting plate (608), the adsorber shell (601) is a hollow cylindrical structure with tapered ends, the adsorber shell (601) is provided with an active carbon adsorber air inlet (7) and an active carbon adsorber air outlet (8) at two ends respectively, the first active carbon plate (602), the second active carbon plate (603) and the third active carbon plate (604) are sequentially and equidistantly arranged in the inner cavity of the adsorber shell (601) along the height direction, the front end face of the first active carbon plate (602) is connected with the lower rear wall of the first connecting plate (605), and the top end of the first connecting plate (605) is connected with the front side of the top of the inner cavity of the adsorber shell (601); the rear end faces of the first active carbon plate (602) and the second active carbon plate (603) are connected through the second connecting plate (606); the front end faces of the second active carbon plate (603) and the third active carbon plate (604) are connected through the third connecting plate (607); the rear end face of the third active carbon plate (604) is connected with the upper front wall of the fourth connecting plate (608), and the bottom end of the fourth connecting plate (608) is connected with the rear side of the bottom of the inner cavity of the adsorber shell (601).

7. The oven exhaust treatment device of claim 1, wherein: The fan (9) is electrically connected with the independent control switch (901) through wires.

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