Microwave catalytic oxidation VOCs treatment device

Abstract

The microwave catalytic oxidation VOCs treatment device comprises a box body, an activated carbon filter screen and a microwave mechanism, an air inlet pipe and an exhaust pipe are arranged on the two sides of the box body respectively, a connecting flange is arranged at the other end of the air inlet pipe and the other end of the exhaust pipe, a through groove is formed in the exhaust pipe side of the top of the box body, and the activated carbon filter screen is arranged in the through groove. The activated carbon filter screen comprises an activated carbon filter screen main body, a second connecting plate and a clamping plate, the activated carbon filter screen main body is located in the box body, the clamping plate is arranged at the top of the activated carbon filter screen main body and located at the through groove, a microwave mechanism is fixedly arranged at the top in the box body, and vertical flow guide plates are arranged on the two sides of the bottom in the box body. According to the microwave treatment device, VOCs can fully react with a catalyst attached to the vertical flow guide plates through microwave irradiation, the reaction efficiency is high, the VOCs treatment efficiency is improved, and the energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, concretely is a kind of microwave catalytic oxidation VOCs processing device. BACKGROUND

[0002] VOCs generally refers to volatile organic compounds. It is usually divided into non-methane hydrocarbons, oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds and several categories. VOCs participate in the formation of atmospheric ozone and secondary aerosols, which has important influence on regional atmospheric ozone pollution and PM2.5 pollution. Most VOCs have unpleasant special smell, and have toxicity, irritability, teratogenicity and carcinogenicity, especially benzene, toluene and formaldehyde, which can cause great harm to human health. VOCs is an important precursor of urban haze and photochemical smog, mainly from coal chemical industry, petroleum chemical industry, fuel paint manufacturing, solvent manufacturing and using process.

[0003] However, the above prior art for treating VOCs generally uses gas for heating, and after heating, the catalyst is used for catalytic treatment, and the hot waste gas is directly discharged after treatment. The waste gas discharged contains a large amount of heat, causing energy waste. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of microwave catalytic oxidation VOCs processing device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of microwave catalytic oxidation VOCs processing device, including box, activated carbon filter screen, microwave mechanism, the two sides of the box are respectively provided with inlet pipe and exhaust pipe, the other end of the inlet pipe and exhaust pipe is provided with connecting flange, the top exhaust pipe side of the box is provided with through slot, the inside of the through slot is provided with activated carbon filter screen, the activated carbon filter screen includes activated carbon filter screen main body, second connecting plate, engagement plate, the activated carbon filter screen main body is located in the box, the top of the activated carbon filter screen main body is provided with engagement plate, the engagement plate is located at through slot;

[0007] The inside top of the box is fixedly provided with microwave mechanism, and the microwave mechanism includes microwave guide pipe, microwave generator, connecting plate, upper inclined flow guide plate, the microwave guide pipe is vertically symmetrical along longitudinal face, and the two microwave guide pipes are connected by the connecting plate between outer surfaces, the back of the microwave guide pipe is provided with microwave generator, and the emitting end of the microwave generator is located in the inside of the microwave guide pipe, the center of the connecting plate is provided with vertical flow guide plate, and the two sides of the connecting plate are symmetrically provided with upper inclined flow guide plate;

[0008] The vertical flow guide plates are arranged on both sides of the inner bottom of the box.

[0009] Preferably, first connecting plates are arranged on both sides of the through slot and at the box, the top of the first connecting plate is provided with a second connecting plate, the second connecting plate is connected with the clamping plate, and the first connecting plate and the second connecting plate are connected through fixing bolts.

[0010] Preferably, a clamping groove is arranged at the through slot and at the inner bottom of the box, a clamping block is clamped and connected in the clamping groove, and the clamping block is arranged at the bottom of the filter screen body.

[0011] Preferably, a plurality of cracks are arranged at the bottom of the microwave guide pipe.

[0012] Preferably, a catalyst is arranged in the vertical flow guide plate.

[0013] Compared with the prior art, the microwave catalytic oxidation VOCs treatment device has the advantages that:

[0014] The microwave catalytic oxidation VOCs treatment device comprises a box body, a microwave mechanism arranged in the box body, a microwave generator arranged on the microwave mechanism, a filter screen arranged on the microwave mechanism, a microwave guide pipe arranged on the microwave mechanism, and a catalyst arranged on the vertical flow guide plate.

[0015] The microwave generated by the microwave generator can be guided through the microwave guide pipe, the bottom end of the microwave guide pipe is provided with a plurality of cracks, that is, the microwave can be uniformly guided out of the cracks of the microwave guide pipe, the emission of the microwave changes from point to line or plane, the microwave is uniformly distributed, the reaction can be better performed, and the reaction efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is an active carbon filter screen structure schematic view of the utility model;

[0018] Figure 3 It is a box body structure schematic view of the utility model;

[0019] Figure 4 It is a box body sectional view structure schematic view of the utility model;

[0020] Figure 5 The microwave mechanism structure schematic view of the utility model.

[0021] In the figure: 1, box body; 2, air inlet pipe; 3, exhaust pipe; 4, connecting flange; 5, clamping plate; 6, first connecting plate; 7, second connecting plate; 8, activated carbon filter screen main body; 9, through slot; 10, vertical guide vane; 11, lower inclined guide vane; 12, microwave guide pipe; 13, upper inclined guide vane; 14, microwave generator; 15, connecting plate; 16, crack; 17, clamping groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "vertical", "upper", "lower", "horizontal" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In the description of the utility model, it also needs to be explained that, unless explicitly specified and limited, the terms "arrange", "mount", "connect", "connect" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Embodiment one:

[0026] Please refer to Figures 1-3The utility model provides a new embodiment, including box 1, activated carbon filter screen, the both sides of box 1 are provided with air inlet pipe 2 and exhaust pipe 3 respectively, and the other end of air inlet pipe 2 and exhaust pipe 3 is provided with connecting flange 4, and the top exhaust pipe side of box 1 is provided with through slot 9, and the inside of through slot 9 is provided with activated carbon filter screen, and the activated carbon filter screen includes activated carbon filter screen main part 8, second connecting plate 7, clamping plate 5, and the activated carbon filter screen main part 8 is located in box 1, and the top of activated carbon filter screen main part 8 is provided with clamping plate 5, and clamping plate 5 is located at through slot 9.

[0027] Further, the both sides of through slot 9 and located at box 1 are provided with first connecting plate 6, the top of first connecting plate 6 is provided with second connecting plate 7, second connecting plate 7 is connected with clamping plate 5, and first connecting plate 6 and second connecting plate 7 are connected by fixed bolt.

[0028] Further, the inside bottom of box 1 and located at through slot 9 are provided with clamping groove 17, and clamping groove 17 is clamped with clamping block, and the bottom of filter screen main part 8 is located at clamping block.

[0029] Embodiment two:

[0030] Please refer to Figures 4-5 The utility model provides a new embodiment, including box 1, microwave mechanism, the inside top of box 1 is fixedly provided with microwave mechanism, and the microwave mechanism includes microwave guide pipe 12, microwave generator 14, connecting plate 15, upper inclined flow guide plate 13, and microwave guide pipe 12 is along longitudinal vertical plane symmetrical setting, and the outer surface between two microwave guide pipes 12 is connected through connecting plate 15, and the back of microwave guide pipe 12 is provided with microwave generator 14, and the sending end of microwave generator 14 is located in the inside of microwave guide pipe 12, and it needs to be explained that microwave generator 14 is prior art, and here will not be repeated in detail to its internal specific structure and working principle, and the center of connecting plate 15 is provided with vertical flow guide plate 10, and the both sides of connecting plate 15 are symmetrically provided with upper inclined flow guide plate 13, and vertical flow guide plate 10, upper inclined flow guide plate 13 and lower inclined flow guide plate 11 constitute the flow guide plate of the utility model, and the setting of flow guide plate can further block the gas containing VOCs, make the residence time of gas containing VOCs in the inside of box 1 lengthen, and better reaction can be carried out;

[0031] The inside bottom of box 1 is provided with vertical flow guide plate 10 on both sides, and the inside bottom of box 1 is symmetrically provided with lower inclined flow guide plate 11 on both sides.

[0032] Further, the bottom of microwave guide pipe 12 is provided with a plurality of cracks 16.

[0033] Since the bottom end of the microwave conduit 12 is provided with a plurality of cracks 16, that is, microwaves can be uniformly guided out of the cracks 16 of the microwave conduit 12, the emission of microwaves changes from point to line or surface, so that the microwaves are uniformly distributed, the reaction can be better carried out, and the reaction efficiency is improved.

[0034] It should be noted that the lengths of the two outermost lower inclined flow guides 11 and the two outermost upper inclined flow guides 13 are greater than those of the other lower inclined flow guides 11 and the other upper inclined flow guides 13.

[0035] Further, the inside of the vertical flow guide 10 is provided with a catalyst, and it should be noted that the catalyst selected by the utility model is a mature existing technology, and the selection of the catalyst will not be described in detail.

[0036] Working principle: the microwave catalytic oxidation VOCs treatment device of the utility model, when in use, the corresponding pipeline structure is connected at the connecting flange 4, wherein the pipeline for discharging the VOCs gas is connected with the gas inlet pipe 2, so that the VOCs-containing gas enters the box body 1 from the gas inlet pipe 2, wherein the top and bottom of the box body 1 are respectively provided with the lower inclined flow guide 11 and the upper inclined flow guide 13, and the bottom of the inner cavity of the box body 1 and the center of the microwave mechanism are provided with the vertical flow guide 10, so that the flow rate of the VOCs-containing gas is reduced through the blocking of the flow guide, and then the VOCs can fully react with the catalyst attached to the vertical flow guide through the irradiation of the microwave, so that the reaction efficiency is high, the VOCs treatment efficiency is improved, and the energy consumption is reduced.

[0037] It should be noted that: the whole device is controlled by a controller, and since the controller is a commonly used device and belongs to a mature existing technology, the electrical connection relationship and the specific circuit structure will not be described in detail.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A microwave catalytic oxidation VOCs treatment device, comprising a box (1), an activated carbon filter screen, a microwave mechanism, characterized in that: The both sides of the box (1) are respectively provided with an air inlet pipe (2) and an air outlet pipe (3), the other end of the air inlet pipe (2) and the air outlet pipe (3) is provided with a connecting flange (4), the top air outlet pipe side of the box (1) is provided with a through slot (9), the inside of the through slot (9) is provided with an activated carbon filter screen, the activated carbon filter screen comprises an activated carbon filter screen main body (8), a second connecting plate (7), a clamping plate (5), the activated carbon filter screen main body (8) is located in the box (1), the top of the activated carbon filter screen main body (8) is provided with the clamping plate (5), the clamping plate (5) is located at the through slot (9); The inside top of the box (1) is fixedly provided with a microwave mechanism, the microwave mechanism comprises a microwave guide pipe (12), a microwave generator (14), a connecting plate (15), an upper inclined flow guide plate (13), the microwave guide pipe (12) is vertically and symmetrically arranged along the longitudinal plane, the outer surfaces of the two microwave guide pipes (12) are connected through the connecting plate (15), the back of the microwave guide pipe (12) is provided with the microwave generator (14), the emitting end of the microwave generator (14) is located in the microwave guide pipe (12), the center of the connecting plate (15) is provided with a vertical flow guide plate (10), the both sides of the connecting plate (15) are symmetrically provided with the upper inclined flow guide plate (13). The both sides of the inside bottom of the box (1) are provided with vertical flow guide plates (10), the both sides of the inside bottom of the box (1) are symmetrically provided with lower inclined flow guide plates (11).

2. The microwave catalytic oxidation VOCs treatment device according to claim 1, characterized in that: The both sides of the through slot (9) and located at the box (1) are provided with a first connecting plate (6), the top of the first connecting plate (6) is provided with a second connecting plate (7), the second connecting plate (7) is connected with the clamping plate (5), the first connecting plate (6) and the second connecting plate (7) are connected through fixing bolts.

3. The microwave catalytic oxidation VOCs treatment device according to claim 1, wherein: The inside bottom of the box (1) and located at the through slot (9) is provided with a clamping groove (17), the clamping groove (17) is clampedly connected with a clamping block, the clamping block is located at the bottom of the filter screen main body (8).

4. The microwave catalytic oxidation VOCs treatment device of claim 1, wherein: The bottom of the microwave guide pipe (12) is provided with a plurality of cracks (16).

5. The microwave catalytic VOCs treatment device of claim 1, wherein: The inside of the vertical flow guide plate (10) is provided with a catalyst.

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