High-temperature activated carbon VOC (volatile organic compound) adsorber with demisting function

Abstract

The utility model relates to the technical field of VOC (volatile organic compound) adsorbers, and discloses a high-temperature activated carbon VOC adsorber with a demisting function, which comprises a tank body, a condensation cavity is arranged in the middle of the tank body, an adsorption cavity is arranged above the condensation cavity, a liquid collection cavity is arranged below the condensation cavity, the bottom of the condensation cavity is communicated with an air inlet, and the bottom of the liquid collection cavity is communicated with an air outlet. The adsorption cavity is communicated with an exhaust port, a condensation assembly is arranged in the condensation cavity, a demisting assembly is installed at the top of the condensation cavity, a ventilation pipe is arranged on the demisting assembly, and the ventilation pipe is communicated with the condensation cavity and the adsorption cavity. The condensation path is prolonged through the spiral structure of the condensation assembly, and redundant water is filtered and collected through the demisting assembly, so that the gas drying effect is improved, and water vapor is prevented from blocking air holes.

Description

TECHNICAL FIELD

[0001] The utility model relates to VOC adsorber technical field more specifically, it relates to a high temperature activated carbon VOC adsorber with demisting function. BACKGROUND

[0002] The emission of volatile organic compounds (VOCs) is the key work to improve the atmospheric environmental quality, and activated carbon adsorption is a common waste gas treatment method. The waste gas in industrial production usually has a high temperature, which affects the adsorption effect of activated carbon when directly contacting with activated carbon. Therefore, the waste gas is usually cooled before activated carbon adsorption.

[0003] The Chinese invention patent with application number 202411282513.6 discloses a VOC activated carbon adsorption high-temperature exhaust equipment with a condensing demisting system, which is provided with rotating condensing fins in the condensing cavity and rotating adsorption nets at the exhaust port. Water vapor is absorbed by the condensing fins and the adsorption nets, and then water droplets are thrown out by the rotating centrifugal action and collected. However, the contact area between the gas and the fins is insufficient, and the condensation effect on the gas flow is limited. When the gas flow is large, the gas passing through the adsorption nets contains a high amount of moisture, which easily blocks the mesh holes and affects the exhaust efficiency. SUMMARY

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a high-temperature activated carbon VOC adsorber with demisting function.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A high-temperature activated carbon VOC adsorber with demisting function, comprising a tank body, the middle part of the tank body is a condensing cavity, the upper part of the condensing cavity is an adsorption cavity, the lower part of the condensing cavity is a liquid collecting cavity, the bottom of the condensing cavity is connected with an air inlet, the adsorption cavity is connected with an exhaust port, the condensing cavity is provided with a condensing assembly, the top of the condensing cavity is provided with a demisting assembly, the demisting assembly is provided with an air pipe, and the air pipe connects the condensing cavity and the adsorption cavity.

[0007] The utility model is further provided as follows: the condensing assembly comprises a gas guide sheet, the gas guide sheet is spiral-shaped, a central support is coaxially arranged in the condensing cavity, the two ends of the gas guide sheet blade are connected with the surface of the central support and the inner wall of the condensing cavity, a cooling pipe is arranged in the gas guide sheet, the two ends of the cooling pipe are connected with a liquid inlet and a liquid outlet, respectively, and the liquid inlet and the liquid outlet extend out of the tank body.

[0008] The utility model is further provided as follows: the point where the gas guide sheet meets the central support along the same radial direction is higher than the point where the gas guide sheet meets the condensing cavity.

[0009] The utility model further sets up: the demisting subassembly includes motor, the output shaft of motor extends into adsorption cavity, and is connected with the breather pipe, the breather pipe extends into the condensation cavity, and is connected with the water disc, a plurality of air passages are seted up on the water disc, a plurality of air inlets are seted up on the breather pipe correspondingly, a plurality of air passages are linked with corresponding air inlets, a plurality of exhaust holes are seted up on one end of the breather pipe in the adsorption cavity.

[0010] The utility model further sets up: the motor intermittent operation, the air passage extends to the water disc circumferential direction radially, a plurality of air passages are evenly arranged, the air passage is provided with the screen on the opening on one end of the outer ring surface of water disc, and the air passage is provided with the water absorption cotton.

[0011] The utility model further sets up: the liquid collecting cavity is inverted conical, the taper tip of liquid collecting cavity is downward, and is provided with the opening, the inside of taper tip is placed with the plug, the plug is hemispherical, and the spherical surface of plug is sealed with the opening.

[0012] The utility model has the advantages of:

[0013] 1, set up condensing assembly, the guide vane is connected with the inner wall of tank and center support, and is arranged spirally, the guide vane is provided with cooling pipe inside, cooling liquid is passed to cooling pipe, waste gas passes through condensation cavity, can only ascend along guide vane rotation, increases the cooling path, improves the contact area of waste gas and guide vane, improves the condensation rate of water content in waste gas;

[0014] 2, the demisting subassembly is still provided above condensing assembly, a plurality of radial air passages are seted up in water disc, the air passage is filled with water absorption cotton, one end of air passage is connected with adsorption cavity through breather pipe, the water disc is installed on the motor, the gas that is separated water content preliminarily through condensing assembly is filtered again through water absorption cotton, and finally dry cooling gas enters adsorption cavity processing, the motor intermittent operation, when the motor operates, drives the rotation of water disc, and the water content in water absorption cotton is thrown out to the inner wall of condensation cavity along air passage, is finally collected, and the dry degree of waste gas is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is the internal structure schematic diagram of the utility model;

[0017] Figure 3 It is along Figure 1 The sectional view along A-A line shown in the figure;

[0018] Figure 4 It is along Figure 1the B-B line section view shown;

[0019] In the figure: 1, tank body; 11, condensation cavity; 12, adsorption cavity; 13, liquid collection cavity; 2, air inlet; 3, air outlet; 4, condensation assembly; 41, liquid inlet; 42, liquid outlet; 43, air guide piece; 44, cooling pipe; 5, center support; 6, demisting assembly; 61, motor; 62, air pipe; 621, air inlet hole; 63, air outlet hole; 64, water throwing disc; 641, air channel; 642, blocking net; 7, water absorbing cotton; 8, plug. DETAILED DESCRIPTION

[0020] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0021] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0022] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0023] Please refer to Figures 1-4 The present application provides the following technical solutions:

[0024] A high-temperature activated carbon VOC adsorber with a demisting function, comprising a tank body 1, the middle part of the tank body 1 is a condensation cavity 11, the exhaust gas is cooled when passing through the condensation cavity 11, and part of the water vapor in it condenses into liquid, the upper part of the condensation cavity 11 is an adsorption cavity 12, the adsorption cavity 12 is filled with activated carbon, which can adsorb impurities in the exhaust gas, the lower part of the condensation cavity 11 is a liquid collection cavity 13, the liquid droplets condensed in the condensation cavity 11 are finally collected through the liquid collection cavity 13, the bottom of the condensation cavity 11 is connected with an air inlet 2, and the adsorption cavity 12 is connected with an air outlet 3;

[0025] The condensing cavity 11 is provided with a condensing assembly 4, the condensing assembly 4 is a spiral structure, and the exhaust gas can only flow through the condensing assembly 4, thereby prolonging the cooling path and improving the cooling of the gas and the condensation rate of the water vapor; the top of the condensing cavity 11 is provided with a demisting assembly 6, the demisting assembly 6 can absorb the residual water vapor in the exhaust gas after initial condensation, thereby improving the dryness of the gas entering the adsorption cavity 12 and avoiding the influence of the water vapor on the adsorption efficiency of the activated carbon; the demisting assembly 6 is provided with an air pipe 62, and the air pipe 62 communicates the condensing cavity 11 and the adsorption cavity 12.

[0026] The condensing assembly 4 comprises a gas guide sheet 43, the gas guide sheet 43 is in a spiral shape, the condensing cavity 11 is provided with a central support 5 along the same axis, and the two ends of the blade of the gas guide sheet 43 are connected to the surface of the central support 5 and the inner wall of the condensing cavity 11, so that the gas can only rise spirally along the gas guide sheet 43 when passing through, thereby prolonging the flow path and ensuring the cooling effect and improving the water vapor condensation rate; the gas guide sheet 43 is provided with a cooling pipe 44, the two ends of the cooling pipe 44 are respectively communicated with a liquid inlet 41 and a liquid outlet 42, and the liquid inlet 41 and the liquid outlet 42 extend out of the tank body 1.

[0027] The point where the gas guide sheet 43 meets the central support 5 along the same radial direction is higher than the point where the gas guide sheet 43 meets the condensing cavity 11, the liquid drops condensed on the gas guide sheet 43 finally slide along the gas guide sheet 43 to the inner wall of the condensing cavity 11, and then slide downward along the spiral structure of the gas guide sheet 43 under the action of gravity, and finally enter the liquid collecting cavity 13 to be collected.

[0028] The demisting assembly 6 comprises a motor 61, the output shaft of the motor 61 extends into the adsorption cavity 12 and is connected with the air pipe 62, the air pipe 62 extends into the condensing cavity 11 and is connected with a water throwing disc 64, a plurality of air channels 641 are formed in the water throwing disc 64, a plurality of air inlets 621 are formed in the air pipe 62 in a corresponding manner, the plurality of air channels 641 are communicated with the corresponding air inlets 621, a plurality of air outlets 63 are formed in one end of the air pipe 62 in the adsorption cavity 12, and the gas in the condensing cavity 11 enters the air pipe 62 through the air channels 641 and the air inlets 621, and then is discharged into the adsorption cavity 12 through the air outlets 63 to react;

[0029] The air channels 641 extend radially and circumferentially to the water throwing disc 64, the plurality of air channels 641 are uniformly arranged, the air channels 641 are provided with a screen 642 at the opening of one end of the outer ring surface of the water throwing disc 64, and the air channels 641 are provided with water absorbing cotton 7, the water vapor in the gas is absorbed by the water absorbing cotton 7 when the gas passes through the air channels 641, that is, the demisting assembly 6 can deliver dry gas into the adsorption cavity 12;

[0030] The motor 61 is intermittently operated, when the water absorbed in the water absorbing cotton 7 reaches a certain degree, the air permeability of the water absorbing cotton 7 is reduced, which affects the air outlet efficiency, at this time, the motor 61 is operated to drive the water throwing disc 64 to rotate, the air duct 641 rotates along the opposite side of the radial direction, so that the water vapor in the water absorbing cotton 7 is thrown out to the inner wall of the condensation cavity 11 under the action of centrifugal force, and finally is collected in the liquid collecting cavity 13 under the action of gravity.

[0031] The liquid collecting cavity 13 is in an inverted cone shape, the tapered tip of the liquid collecting cavity 13 faces downward and is provided with an opening for water outlet, and the inside of the tapered tip is placed with a plug 8 in a hemispherical shape, in a normal state, the plug 8 is pressed tightly against the inner wall of the liquid collecting cavity 13 under the action of gravity and air pressure above, so as to realize sealing of the opening and prevent exhaust gas from leaking out; when the liquid in the bottom of the liquid collecting cavity 13 accumulates to a certain degree, the plug 8 moves slightly upward under the action of buoyancy, and the liquid flows out from the gap between the plug 8 and the liquid collecting cavity 13 to be collected.

[0032] Specifically, the condensing assembly 4 is arranged, the guide vanes 43 are connected between the inner wall of the tank body 1 and the central support 5 and are arranged in a spiral shape, the cooling pipes 44 are arranged in the guide vanes 43, cooling liquid is passed through the cooling pipes 44, and the exhaust gas can only rotate upward along the guide vanes 43 when passing through the condensation cavity 11, so that the cooling path is increased, the contact area between the exhaust gas and the guide vanes 43 is increased, and the condensation rate of the water in the exhaust gas is improved.

[0033] The de-misting assembly 6 is further arranged above the condensing assembly 4, a plurality of radial air ducts 641 are arranged in the water throwing disc 64, the water absorbing cotton 7 is filled in the air ducts 641, the other end of the air duct 641 is connected with the adsorption cavity 12 through the air pipe 62, the water throwing disc 64 is installed on the motor 61, the gas whose water is preliminarily separated by the condensing assembly 4 is filtered again through the water absorbing cotton 7, finally dry cooling gas enters the adsorption cavity 12 for treatment, the motor 61 is intermittently operated, when the motor 61 is operated, the water in the water absorbing cotton 7 is thrown out to the inner wall of the condensation cavity 11 along the air duct 641, and finally is collected, so that the dryness degree of the exhaust gas is improved.

[0034] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0035] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0036] It should be noted that the terms "first", "second", and the like, herein do not necessarily have an either chronological or spatial relation. Rather, these terms can be used solely to distinguish a certain specific entity from another entity. It should be understood that the terms so used in the description are interchangeable under appropriate circumstances and embodiments of the application described herein are capable of operating in other sequences than described or illustrated herein.

[0037] The preferred embodiments of the present application have been described above with the aid of drawing figures, and are not limited to those embodiments; instead, they will include any changes that do not constitute departures from the spirit and scope of the present application.

Claims

1. A high-temperature activated carbon VOC adsorber with demisting function, comprising a tank (1), characterized in that: The middle part of the tank (1) is a condensation chamber (11), the upper part of the condensation chamber (11) is an adsorption chamber (12), the lower part of the condensation chamber (11) is a liquid collection chamber (13), the bottom of the condensation chamber (11) is connected to an air inlet (2), the upper part of the adsorption chamber (12) is connected to an exhaust port (3), a condensation component (4) is provided in the condensation chamber (11), a demisting component (6) is installed on the top of the condensation chamber (11), and a vent pipe (62) is provided on the demisting component (6), which connects the condensation chamber (11) and the adsorption chamber (12).

2. The high-temperature activated carbon VOC adsorber with demisting function according to claim 1, characterized in that: The condensation assembly (4) includes a gas guide plate (43), which is spiral in shape. A central support (5) is coaxially arranged inside the condensation chamber (11). The two ends of the gas guide plate (43) are connected to the surface of the central support (5) and the inner wall of the condensation chamber (11), respectively. A cooling pipe (44) is opened inside the gas guide plate (43). The two ends of the cooling pipe (44) are connected to a liquid inlet (41) and a liquid outlet (42), respectively. Both the liquid inlet (41) and the liquid outlet (42) extend out of the tank body (1).

3. A high-temperature activated carbon VOC adsorber with demisting function according to claim 2, characterized in that: The point where the air guide plate (43) connects with the central support (5) along the same radial direction is higher than the point where the air guide plate (43) connects with the condenser (11).

4. A high-temperature activated carbon VOC adsorber with demisting function according to claim 3, characterized in that: The demisting assembly (6) includes a motor (61), the output shaft of which extends into the adsorption chamber (12) and is connected to a vent pipe (62). The vent pipe (62) extends into the condensation chamber (11) and is connected to a water-spraying plate (64). The water-spraying plate (64) has several air channels (641), and the vent pipe (62) has several corresponding air inlets (621). The air channels (641) are connected to the corresponding air inlets (621). The vent pipe (62) has several exhaust holes (63) at one end inside the adsorption chamber (12).

5. A high-temperature activated carbon VOC adsorber with demisting function according to claim 4, characterized in that: The motor (61) operates intermittently, and the air passage (641) extends radially toward the circumference of the water-spinning plate (64). Several air passages (641) are evenly arranged. A baffle (642) is provided on one end opening of the air passage (641) on the outer ring surface of the water-spinning plate (64). Water-absorbing cotton (7) is provided inside the air passage (641).

6. A high-temperature activated carbon VOC adsorber with demisting function according to claim 5, characterized in that: The liquid collection chamber (13) is inverted cone shape, with the cone tip pointing downward and having an opening. A stopper (8) is placed inside the cone tip. The stopper (8) is hemispherical and its spherical surface seals the opening.

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