VOCs adsorption catalysis experiment device

Abstract

The utility model relates to the technical field of atmospheric environment treatment, and discloses a VOCs (Volatile Organic Compounds) adsorption catalysis experiment device which comprises a box body, a catalyst bed layer and an adsorbent bed layer, support legs are arranged at four corners of the box body, an air inlet pipe is arranged at the bottom end of the box body, and an exhaust pipe is arranged at the top end of the box body; the catalyst bed layer and the adsorbent bed layer are respectively and detachably fixed in the box body, and the catalyst bed layer is positioned above the adsorbent bed layer; a porous baffle; the porous baffle is fixedly arranged in the box body and is positioned below the adsorbent bed layer; a heating assembly; the heating assembly is arranged on the inner wall of the box body and used for heating the interior of the box body. Compared with the prior art, the reactor disclosed by the utility model has the advantages that not only can gas form a uniform flowing path in the box body to ensure that the gas uniformly passes through an adsorbent and a catalyst bed layer, but also the temperature in the reactor is accurately controlled by adopting an internal heating mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to atmospheric environment treatment technical field, specifically point to a kind of VOCs adsorption catalytic experimental device. BACKGROUND

[0002] Volatile organic compounds (VOCs) are one of the main sources of air pollution, which causes serious harm to human health and the environment. Currently, the treatment technology of VOCs mainly includes adsorption method, catalytic oxidation method, etc. Among them, adsorption catalytic method becomes a research hotspot due to its high efficiency, low energy consumption and other advantages.

[0003] The existing VOCs adsorption catalytic experimental device, the gas is directly into the reactor through the gas inlet pipe, the gas is easy to accumulate, the gas flow path is not reasonably designed, which may lead to uneven gas distribution, affecting the adsorption and catalytic efficiency, and the heating system usually adopts external heating mode, the temperature distribution is uneven, it is difficult to accurately control the temperature in the reactor, and the temperature fluctuation will affect the efficiency of adsorption and catalytic reaction. UTILITY MODEL CONTENT

[0004] I. Technical problems to be solved

[0005] The technical problem to be solved by the utility model is to overcome the above technical difficulties, and to provide a VOCs adsorption catalytic experimental device, which can not only form a uniform flow path for the gas in the box, but also ensure that the gas uniformly passes through the adsorbent and catalyst bed, and adopts internal heating mode to realize accurate control of the temperature in the reactor.

[0006] II. Technical scheme

[0007] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a VOCs adsorption catalytic experimental device, comprising a box, the four corners of the box are provided with supporting legs, the bottom end of the box is provided with a gas inlet pipe, the top end of the box is provided with an exhaust pipe, further comprising:

[0008] Catalyst bed and adsorbent bed; the catalyst bed and the adsorbent bed are fixed in the box by detachable mode, and the catalyst bed is located above the adsorbent bed;

[0009] Porous baffle; the porous baffle is fixedly arranged in the box and located below the adsorbent bed;

[0010] Heating assembly; the heating assembly is arranged on the inner wall of the box, for heating and warming the inside of the box, to facilitate the catalytic reaction.

[0011] As improvement, one side of the box is provided with a pair of openings, the catalyst bed and the adsorbent bed pass through the openings respectively and are slidingly connected to the inner wall of the box, one side of the box is provided with a pair of sealing doors matched with the openings, and one side of each of the sealing doors is provided with a sealing gasket.

[0012] As improvement, both sides of the catalyst bed and the adsorbent bed are provided with sliding blocks, and both sides of the inner wall of the box are provided with sliding grooves matched with the sliding blocks.

[0013] As improvement, the heating assembly comprises a heating plate, a pair of heating plates are arranged at two sides of the bottom of the box respectively, the heating assembly further comprises a temperature sensor and a controller, and the temperature sensor and the controller are fixed to the inner wall of one side of the box and electrically connected.

[0014] As improvement, the box is wrapped with a heat preservation layer outside, one side of the box is provided with a control panel, and a valve is arranged on the air inlet pipe.

[0015] Three, beneficial effects

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] 1. The porous baffle can form a uniform flow path for the gas in the box, ensure that the gas uniformly passes through the adsorbent and catalyst bed, and ensure the accuracy of experimental data.

[0018] 2. The temperature sensor, heating plate and controller are used to heat internally, the heat preservation layer is added outside the box, heat loss is reduced, energy efficiency is improved, and the temperature in the reactor is accurately controlled. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a three-dimensional schematic view of the VOCs adsorption and catalysis experimental device Figure 1 .

[0020] Figure 2 is a three-dimensional schematic view of the VOCs adsorption and catalysis experimental device Figure 2 .

[0021] Figure 3 is a sectional view of the VOCs adsorption and catalysis experimental device.

[0022] Figure 4 is a three-dimensional schematic view of the VOCs adsorption and catalysis experimental device Figure 3 of the utility model is a part of the A detail enlargement.

[0023] As shown in the figure: 1, box; 2, support leg; 3, air inlet pipe; 4, exhaust pipe; 5, control panel; 6, valve; 7, catalyst bed; 8, adsorbent bed; 9, porous baffle; 10, heating plate; 11, insulation layer; 12, sliding block; 13, chute; 14, sealing door; 15, gasket; 16, temperature sensor; 17, controller. DETAILED DESCRIPTION

[0024] In the description of the present application, it should be understood that the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more. In addition, the term "includes" and any variation thereof is intended to cover non-exclusive inclusion.

[0025] The present application will be further described in detail below with reference to the accompanying drawings.

[0026] In combination with the accompanying Figure 1 and the accompanying Figure 2 A VOCs adsorption and catalysis experimental device, comprising a box 1, the four corners of the box 1 are provided with support legs 2, the bottom end of the box 1 is provided with an air inlet pipe 3, the top end of the box 1 is provided with an exhaust pipe 4, further comprising: one side of the box 1 is provided with a control panel 5, the air inlet pipe 3 is provided with a valve 6, the opening and closing of the air inlet pipe 3 is controlled through the valve 6, and the adsorption and catalysis of the gas is discharged through the exhaust pipe 4.

[0027] In order to treat volatile organic compounds (VOCs) in the gas, in combination with the accompanying Figure 3 and the accompanying Figure 4, catalyst bed 7 and adsorbent bed 8; catalyst bed 7 and adsorbent bed 8 are fixed in box 1 by detachable mode respectively, and catalyst bed 7 is located above adsorbent bed 8; one side of the box 1 is provided with a pair of openings, the catalyst bed 7 and adsorbent bed 8 respectively pass through the opening and are connected on the inner wall of the box 1, one side of the box 1 is provided with a pair of sealing doors 14 arranged and matched with the opening, one side of the sealing door 14 is provided with a sealing pad 15, both sides of the catalyst bed 7 and adsorbent bed 8 are provided with a sliding block 12, both sides of the inner wall of the box 1 are provided with a sliding groove 13 matched with the sliding block 12, the sealing door 14 is opened, and the catalyst bed 7 and adsorbent bed 8 can be directly pulled out from the box 1 under the cooperation of the sliding block 12 and the sliding groove 13, so that it is convenient to replace and clean quickly.

[0028] In order to make the gas pass through the adsorbent bed 8 and the catalyst bed 7 uniformly, in combination with the drawings Figure 3 , porous baffle 9; the porous baffle 9 is fixedly arranged in the box 1 and located below the adsorbent bed 8, since the porous baffle 9 contains a large number of uniformly distributed mesh holes, the gas can form a uniform flow path in the box, ensuring the accuracy of experimental data.

[0029] In order to achieve the best adsorption and catalytic effect, in combination with the drawings Figure 3 , heating assembly; the heating assembly is arranged on the inner wall of the box 1 and is used for heating the inside of the box 1, so as to facilitate the heating of the catalytic reaction; the heating assembly comprises a heating plate 10; a pair of heating plates 10 are arranged on both sides of the bottom of the box 1 respectively; the heating assembly further comprises a temperature sensor 16 and a controller 17; the temperature sensor 16 and the controller 17 are fixed on the inner wall of one side of the box 1, and are electrically connected between the temperature sensor 16 and the controller 17; the outside of the box 1 is wrapped with a heat preservation layer 11; the heating plate 10 can directly heat the inside of the box 1 by starting the heating plate 10; the temperature sensor 16 can monitor the temperature in the box 1 in real time and transmit the data to the controller 17 in real time; the temperature of the heating plate 10 is directly controlled by the controller 17, so as to realize accurate control of the temperature in the box 1; in addition, the heat preservation layer 11 is arranged outside the box 1, so as to reduce heat loss, improve energy efficiency and achieve the best adsorption and catalytic effect.

[0030] In the specific implementation of the utility model:

[0031] Firstly, the inlet pipe 3 is connected with the external gas pipe, and then the valve 6 is opened, so that the gas source continuously enters the box 1.

[0032] Then, since the porous baffle 9 contains a large number of uniformly distributed mesh holes, the gas can form a uniform flow path in the box, ensuring the accuracy of experimental data.

[0033] The heating plate 10 is started, the heating plate 10 can directly heat the inside of the box 1, the temperature sensor 16 can monitor the temperature in the box 1 in real time, and transmit data to the controller 17 in real time, the temperature of the heating plate 10 is directly controlled by the controller 17, accurate control of the temperature in the box 1 is realized, the heat loss is reduced by adding the heat preservation layer 11 outside the box 1, the energy efficiency is improved, the best adsorption and catalytic effect are achieved,

[0034] Then, the gas passes through the adsorbent bed 8 and the catalyst bed 7 in turn, is adsorbed through the adsorbent bed 8 first, then is catalytically oxidized through the catalyst bed 7, is finally converted into harmless substances, and is finally discharged through the exhaust pipe 4.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

[0036] The utility model and its implementation mode have been described above, and this description is not restrictive, and the shown in the drawings is only one of the implementation modes of the utility model, and the actual structure is not limited to this. In summary, if those of ordinary skill in the art are inspired, without departing from the creative purpose of the utility model, without creative design, similar structure modes and embodiments of the technical scheme are not included in the protection scope of the utility model.

Claims

1. A VOCs adsorption catalytic experimental device, comprising a box body (1), support legs (2) are arranged at four corners of the box body (1), an air inlet pipe (3) is arranged at the bottom end of the box body (1), and an air outlet pipe (4) is arranged at the top end of the box body (1), characterized in that, Also include: Catalyst bed (7) and adsorbent bed (8); catalyst bed (7) and adsorbent bed (8) are fixed in the box (1) by detachable way respectively, and catalyst bed (7) is located above adsorbent bed (8); Porous baffle (9); porous baffle (9) is fixedly arranged in the box (1), and is located below the adsorbent bed (8); Heating assembly; heating assembly is arranged on the inner wall of the box (1), which is used for heating the inside of the box (1) to facilitate the catalytic reaction. 2.The VOCs adsorption catalytic experimental device according to claim 1, characterized in that: One side of the box (1) is provided with a pair of openings, the catalyst bed (7) and the adsorbent bed (8) pass through the openings and are connected to the inner wall of the box (1), and one side of the box (1) is provided with a pair of sealing doors (14) matched with the openings, and one side of the sealing door (14) is provided with a sealing gasket (15).

3. The VOCs adsorption catalytic experimental device according to claim 2, characterized in that: Both sides of the catalyst bed (7) and the adsorbent bed (8) are provided with sliding blocks (12), and both sides of the inner wall of the box (1) are provided with sliding grooves (13) matched with the sliding blocks (12).

4. The VOCs adsorption and catalysis experimental device according to claim 1, characterized in that: The heating assembly comprises a heating plate (10); a pair of heating plates (10) are arranged on both sides of the bottom of the box (1); The heating assembly further comprises a temperature sensor (16) and a controller (17); the temperature sensor (16) and the controller (17) are fixed on the inner wall of one side of the box (1), and the temperature sensor (16) and the controller (17) are electrically connected.

5. The VOCs adsorption catalytic experimental device according to claim 1, characterized in that: The box (1) is wrapped with a heat preservation layer (11), one side of the box (1) is provided with a control panel (5), and the valve (6) is arranged on the air inlet pipe (3).

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