VOCs (Volatile Organic Compounds) recovery device

Abstract

The utility model discloses a VOCs (volatile organic compounds) recovery device, and relates to the technical field of volatile organic compound recovery. Comprising a recovery cylinder, a filter cylinder and a recovery mechanism, and the recovery mechanism comprises a heat exchange assembly and a filter assembly; when the device is used, water flow in the first heat exchange pipe and the second heat exchange pipe can adsorb and replace heat in VOCs gas, the heat is recycled, and the heat exchange effect of the device is improved; an exhaust fan can convey VOCs gas, a filter plate filters impurities in the VOCs gas, a cleaning plate rotates along with the exhaust fan through a rotating shaft to clean the impurities on the filter plate, the situation that the impurities are attached to a heat exchange pipe is reduced, the filter plate can be prevented from being blocked, heat in the VOCs gas can be effectively recycled, and the recycling effect of the device is improved; the problems that the VOCs gas heat loss is easily caused by traditional VOCs recovery equipment, and the recovery effect of the VOCs gas is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of volatile organic compound recovery, in particular to a VOCs recovery device. Background Art

[0002] Volatile organic compounds refer to organic compounds that have a high saturated vapor pressure, low boiling point, small molecular weight under standard conditions and are easy to volatilize at room temperature. They are often represented by VOC or VOCs. VOCs does not refer to a specific pollutant, but a general term for a class of organic compounds with similar physical and chemical properties. After volatilization, they not only easily cause resource loss, but also pose a potential fire hazard. At the same time, toxic VOCs gases seriously pollute the environment and endanger the health of employees. When VOCs are emitted, they need to be recovered using recovery equipment.

[0003] In the end-of-life recovery and treatment process of VOCs, existing recovery devices mainly use the condensation method to recover VOCs. Specifically, it mainly uses a condensation tank to cool the exhaust gas to below the dew point of the VOCs component, so that it condenses into a liquid state and is then recovered. Specifically, in the utility model patent with announcement number CN220656968U, a condensation adsorption recovery device for VOCs gas is disclosed. The device cools the water in the condensation tank by setting a compressor and a condenser pipe. The motor rotates the stirring rod and stirring blades, causing the water to tumble, thereby uniformly cooling the water, thereby uniformly cooling the first connecting pipe and improving the condensation effect of the VOCs gas. The device sets a storage tank in the condensation tank, condenses the VOCs gas in the storage tank with the condensed water, and then filters it through an activated carbon adsorption tank. However, when using this device to perform terminal treatment on VOCs, the heat of the VOCs gas is easily lost during the VOCs gas filtration process, affecting the recovery effect of the VOCs gas, making it inconvenient to efficiently recover the VOCs gas, and may have an impact on the environment, reducing the recovery effect of VOCs.

[0004] Based on this, the utility model provides a VOCs recovery device to solve the problems existing in the above-mentioned prior art. Utility Model Content

[0005] In view of this, the main purpose of the present invention is to provide a VOCs recovery device to solve the problem that traditional VOCs recovery equipment easily causes heat loss of VOCs gas and affects the recovery effect of VOCs gas.

[0006] In order to achieve the above-mentioned purpose, the technical solution of the utility model is achieved as follows:

[0007] A VOCs recovery device, comprising:

[0008] The air inlet of the recovery cylinder is connected to the VOCs waste gas discharge end of the production system;

[0009] The filter cartridge is arranged at the VOCs waste gas discharge end of the recovery cartridge and is connected to the recovery cartridge;

[0010] The recovery mechanism is arranged in the recovery cylinder and the filter cylinder, and comprises a heat exchange component arranged in the recovery cylinder and a filter component arranged in the filter cylinder.

[0011] In a preferred embodiment, the heat exchange component includes:

[0012] The first heat exchange tube is fixedly arranged in the recovery tube, and one end of the first heat exchange tube passing through the outside of the recovery tube is connected to a heat sink;

[0013] The second heat exchange tube is fixedly arranged in the recovery tube, is communicated with the first heat exchange tube, and the other end thereof passes through and extends to the outside of the recovery tube.

[0014] In a preferred embodiment, the diameter of the second heat exchange tube is smaller than that of the first heat exchange tube.

[0015] In a preferred embodiment, a water tank is provided on one side of the heat sink, and the water tank is connected to the heat sink.

[0016] In a preferred embodiment, the heat exchange component further comprises an exhaust fan arranged at the air inlet end of the recovery drum, and the exhaust end of the exhaust fan is further provided with a filter plate connected to the recovery drum.

[0017] In a preferred embodiment, a rotating shaft is further provided at one end of the exhaust fan, and a cleaning plate is provided on one side of the outer wall of the rotating shaft to match the filter plate.

[0018] In a preferred embodiment, the filter assembly comprises:

[0019] A mounting plate is provided at the exhaust end of the inner side of the filter cartridge, and a conduit is provided in the mounting plate;

[0020] The atomizing nozzles are evenly distributed at the bottom end of the conduit and are connected to the conduit.

[0021] In a preferred embodiment, an intercepting plate is further clamped on the bottom end of the inner wall of the filter cartridge.

[0022] In a preferred embodiment, the exhaust end inside the filter cartridge is connected to an exhaust pipe.

[0023] In a preferred embodiment, a mounting block is provided in the exhaust pipe, and an activated carbon adsorbent is provided in the mounting block.

[0024] Compared with the existing technology, the present invention provides a VOCs recovery device with the following beneficial effects:

[0025] 1. Through the setting of the recovery mechanism, when in use, the water flow in the first heat exchange tube and the second heat exchange tube in the recovery cylinder can adsorb and replace the heat in the VOCs gas, and recycle the heat. The water tank first transports the water flow to the heat sink to reduce the temperature of the water flow, thereby improving the heat exchange effect of the device. The exhaust fan can transport the VOCs gas, and the filter plate filters the impurities in the VOCs gas. The cleaning plate cleans the impurities on the filter plate through the rotating shaft as the exhaust fan rotates to prevent the filter plate from being blocked. The heat in the VOCs gas can be effectively recovered, thereby improving the recovery effect of the device.

[0026] 2. Through the setting of the filter assembly, when VOCs gas enters the filter cartridge, the conduit in the mounting plate sprays water mist through the atomizing nozzle at the bottom, which contacts the impurities in the VOCs gas and causes them to fall downward, filtering the VOCs gas. The interception plate can separate the falling impurities from the water flow. The mounting block in the exhaust pipe can perform secondary filtration and purification of the VOCs gas through the internal activated carbon adsorbent and the through-holes on its surface, which can effectively purify and filter the VOCs gas and improve the recovery effect of the VOCs gas. This solves the problem of traditional VOCs recovery equipment that easily causes heat loss in VOCs gas and affects the recovery effect of VOCs gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained from these drawings without paying any creative work.

[0028] Figure 1 This is a schematic structural diagram of the VOCs recovery device of the utility model from the main viewing angle;

[0029] Figure 2 This is a schematic diagram of the structure of the VOCs recovery device of the utility model from a rear view angle;

[0030] Figure 3 This is a cross-sectional view of the VOCs recovery device of the utility model;

[0031] Figure 4 This is a schematic diagram of the structure of the recycling mechanism of the utility model;

[0032] Figure 5 This is a schematic diagram of the structure of a partial recovery mechanism of the utility model;

[0033] Figure 6 This is a schematic structural diagram of the filter assembly of the present invention.

[0034]

Main component symbol description

[0035] 1. Recycling bin;

[0036] 2. Filter cartridge;

[0037] 3. Recovery mechanism; 301. First heat exchange tube; 302. Second heat exchange tube; 303. Heat sink; 304. Exhaust fan; 305. Filter plate; 306. Rotating shaft; 307. Cleaning plate; 308. Water tank; 309. Filter assembly; 3091. Mounting plate; 3092. Conduit; 3093. Atomizing nozzle; 3094. Interceptor plate; 3095. Exhaust pipe; 3096. Mounting block; 3097. Activated carbon adsorbent. DETAILED DESCRIPTION

[0038] The structure of the VOCs recovery device is further described in detail below in conjunction with the accompanying drawings and embodiments of the present utility model.

[0039] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0040] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments of the present application. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0041] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the application described herein can, for example, be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0042] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0043] As the instruction manual Figures 1-6 As shown, the utility model provides a technical solution:

[0044] A VOCs recovery device includes a recovery cylinder 1, an air inlet end connected to a VOCs waste gas discharge end, the VOCs waste gas discharge end of the recovery cylinder 1 being connected to a filter cylinder 2, and a recovery mechanism 3 for recycling VOCs and improving the filtering effect thereof is further provided in the recovery cylinder 1 and the filter cylinder 2. The recovery mechanism 3 includes a heat exchange component provided in the recovery cylinder 1 and a filter component 309 provided in the filter cylinder 2;

[0045] The heat exchange assembly includes a first heat exchange tube 301 fixedly installed in the recovery tube 1, and a second heat exchange tube 302 is also fixedly installed in the recovery tube 1. The diameter of the second heat exchange tube 302 is smaller than that of the first heat exchange tube 301, and one end of the first heat exchange tube 301 and the second heat exchange tube 302 are connected to each other, and the other ends of the first heat exchange tube 301 and the second heat exchange tube 302 pass through the outside of the recovery tube 1, and the other end of the first heat exchange tube 301 is connected to the heat sink 303.

[0046] It should be noted that when in use, the water tank 308 can transport water to the water-cooled heat sink 303 for heat dissipation through the water pump inside it, and then transport it to the second heat exchange tube 302 through the first heat exchange tube 301, thereby increasing the contact area with the heat in the VOCs gas to improve the recovery effect; at the same time, the end of the second heat exchange tube 302 extending outside the recovery cylinder 1 can transport the heat-exchanged water to the waste heat recovery device for recycling, so as to achieve effective recovery of the heat in the VOCs gas and improve the use effect of the device.

[0047] In a preferred embodiment, Figure 3 and Figure 4As shown, the recovery mechanism 3 also includes an exhaust fan 304 fixedly installed at one end of the recovery tube 1, and a filter plate 305 is fixedly connected to one end of the recovery tube 1. The filter plate 305 is arranged at one end of the exhaust fan 304, and a rotating shaft 306 is fixedly connected to one end of the fan 304. A cleaning plate 307 is fixedly connected to one side of the outer wall of the rotating shaft 306. A water tank 308 is provided on one side of the heat sink 303, and the water pump on the inner wall of the water tank 308 is connected to the heat sink 303.

[0048] It should be noted that when in use, the exhaust fan 304 drives the cleaning plate 307 to rotate along the surface of the filter plate 305 through the rotating shaft 306, thereby cleaning the impurities on the filter plate 305 and preventing the impurities from clogging the filter plate 305; it can also reduce the occurrence of impurities adhering to the first heat exchange tube 301 and the second heat exchange tube 302, thereby improving the use effect of the two heat exchange tubes and improving the device's VOCs gas heat recovery effect.

[0049] In a preferred embodiment, Figure 3 、 Figure 5 and Figure 6 As shown, the filter assembly 309 includes a mounting plate 3091 fixedly connected to the top of the inner wall of the filter cartridge 2, a conduit 3092 is fixedly installed on the inner wall of the mounting plate 3091, the bottom end of the conduit 3092 is connected to a plurality of evenly distributed atomizing nozzles 3093, the bottom end of the inner wall of the filter cartridge 2 is also clamped with an intercepting plate 3094, the bottom of one side of the filter cartridge 2 is connected to an exhaust pipe 3095, the inner wall of the exhaust pipe 3095 is fixedly installed with a mounting block 3096, and an activated carbon adsorbent 3097 is also arranged in the mounting block 3096.

[0050] It should be noted that when in use, water can be transported by connecting it to an external water source through the conduit 3092. The water mist sprayed by the atomizing nozzle 3093 can combine with the impurities in the VOCs gas, making it heavier and falling down onto the interception plate 3094. The filter in the interception plate 3094 can separate the impurities from the water flow. The interception plate 3094 can be manually pulled to one side to open it for easy cleaning of impurities. The separated water flow is discharged through the drain pipe on one side. The installation block 3096 and the activated carbon adsorbent 3097 in the exhaust pipe 3095 perform secondary filtration and purification on the VOCs gas, which can filter and purify the VOCs gas and improve the recovery effect of the device on the VOCs gas.

[0051] When the VOCs recovery device of the utility model is in use, the exhaust fan 304 is driven by the controller to rotate to transport the VOCs gas into the recovery drum 1, and the water tank 308 transports the water flow to the heat sink 303 for heat dissipation. The water flow after heat dissipation falls into the first heat exchange tube 301 and the second heat exchange tube 302, and replaces the heat in the VOCs gas. The water flow after heat exchange is transported to the recovery tank or the waste heat recovery device through one end of the second heat exchange tube 302. As the exhaust fan 304 rotates, the rotating shaft 30 The cleaning plate 307 on 6 cleans the impurities on the filter plate 305. The VOCs gas enters the filter cartridge 2. The conduit 3092 is connected to the external water source and the water mist is sprayed through the atomizing nozzle 3093 to contact the impurities in the VOCs gas, causing it to fall downward. The intercepting plate 3094 separates the impurities from the water flow. The VOCs gas after the first filtration moves upward to the exhaust pipe 3095, and the VOCs gas is filtered for the second time through the mounting block 3096 and the activated carbon adsorbent 3097.

[0052] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention.

Claims

1. A VOCs recovery device, characterized by: include: A recovery cylinder (1), the air inlet end of which is connected to the VOCs waste gas discharge end of the production system; The filter cartridge (2) is arranged at the VOCs waste gas discharge end of the recovery cartridge (1) and is in communication with the recovery cartridge (1); The recovery mechanism (3) is arranged in the recovery cylinder (1) and the filter cylinder (2), and comprises a heat exchange component arranged in the recovery cylinder (1) and a filter component (309) arranged in the filter cylinder (2).

2. A VOCs recovery device according to claim 1, characterized in that: The heat exchange component comprises: A first heat exchange tube (301) is fixedly arranged in the recovery tube (1), and one end of the first heat exchange tube (301) that passes through the outside of the recovery tube (1) is connected to a heat sink (303); The second heat exchange tube (302) is fixedly arranged in the recovery tube (1), is connected to the first heat exchange tube (301), and the other end thereof passes through and extends to the outside of the recovery tube (1).

3. A VOCs recovery device according to claim 2, characterized in that: The diameter of the second heat exchange tube (302) is smaller than that of the first heat exchange tube (301).

4. A VOCs recovery device according to claim 2, characterized in that: A water tank (308) is provided on one side of the heat sink (303), and the water tank (308) is in communication with the heat sink (303).

5. A VOCs recovery device according to claim 1, characterized in that: The heat exchange assembly further comprises an exhaust fan (304) arranged at the air inlet end of the recovery drum (1); the exhaust end of the exhaust fan (304) is further provided with a filter plate (305) connected to the recovery drum (1).

6. A VOCs recovery device according to claim 5, characterized in that: A rotating shaft (306) is further provided at one end of the exhaust fan (304), and a cleaning plate (307) is provided on one side of the outer wall of the rotating shaft (306) to match the filter plate (305).

7. A VOCs recovery device according to claim 1, characterized in that: The filter assembly (309) comprises: A mounting plate (3091) is provided at the exhaust end inside the filter cartridge (2), and a conduit (3092) is provided inside the mounting plate (3091); The atomizing nozzles (3093) are evenly distributed at the bottom end of the conduit (3092) and are in communication with the conduit (3092).

8. A VOCs recovery device according to claim 7, characterized in that: An interception plate (3094) is also clamped on the bottom end of the inner wall of the filter cartridge (2).

9. A VOCs recovery device according to claim 7, characterized in that: The exhaust end inside the filter cartridge (2) is connected to an exhaust pipe (3095).

10. A VOCs recovery device according to claim 9, characterized in that: A mounting block (3096) is provided in the exhaust pipe (3095), and an activated carbon adsorbent (3097) is provided in the mounting block (3096).

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