Organic waste gas adsorption and recovery device

Abstract

The utility model belongs to the technical field of organic waste gas recovery, and particularly relates to an organic waste gas adsorption and recovery device which comprises an adsorption tower and a condenser, the condenser is mounted on the back surface of the adsorption tower, a dust removal device is arranged on the left side of the adsorption tower, and a recovery device is arranged in the adsorption tower. According to the organic waste gas adsorption and recovery device, organic waste gas is guided into the bag-type dust collector through the gas inlet, impacts the splitter plate and then enters the bag-type dust collector from the bottom of the splitter plate, and impurities in the organic waste gas are intercepted and filtered through the filter bag; the organic waste gas entering the adsorption tower impacts the airflow uniform distribution plate and then uniformly floats in the adsorption tower, organic matters in the organic waste gas are adsorbed through the activated carbon adsorption plate, and the adsorbed and concentrated organic matters on the activated carbon adsorption plate are desorbed through high-temperature steam and are brought into the condensation unit to be condensed and recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of organic waste gas recovery, in particular to an organic waste gas adsorption recovery device. Background Art

[0002] Organic waste gas mainly comes from waste gas discharged during the production process of petroleum, chemical industry, paint factory, electroplating factory, etc. The characteristics of organic waste gas are: flammable and explosive, toxic and harmful, insoluble in water, soluble in organic solvents, etc. The organic waste gas generated during the production process needs to be treated and discharged in compliance with environmental protection standards.

[0003] The industry generally adopts the activated carbon adsorption method, which uses activated carbon to adsorb organic waste gas. The activated carbon fiber (ACF) and granular activated carbon (GAC) organic tail (waste) gas adsorption purification and recovery device is developed by utilizing the strong adsorption of activated carbon fiber or granular activated carbon to organic solvents. The device adopts the process design of adsorption concentration-desorption regeneration-solvent separation and recovery. It consists of two or three adsorbers in parallel and a set of desorption and recovery devices. It is suitable for the purification and treatment of low-concentration and high-volume organic waste gas. It has the advantages of mature technology, stable performance, strong adsorption capacity, recyclable organic matter, and low tail gas emission concentration. For the using enterprises, it can not only recycle various organic matter, reduce production costs, but also reduce emissions to achieve the purpose of protecting the environment.

[0004] However, there is often a large amount of smoke in the organic waste gas, which needs to be filtered and pre-treated, and then the remaining organic waste gas is adsorbed and recovered. However, some existing adsorption devices are not equipped with corresponding pre-treatment mechanisms, or only filter through a filter net, and the effect is poor. Therefore, there are certain limitations.

[0005] For this reason, we urgently need to provide an organic waste gas adsorption recovery device. Utility Model Content

[0006] The purpose of the utility model is to provide an organic waste gas adsorption recovery device to solve the problem that some existing adsorption devices mentioned in the above background technology are not equipped with corresponding mechanisms for pre-treating smoke and dust impurities in organic waste gas, or only filter through a filter net, resulting in poor filtering effect.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an organic waste gas adsorption and recovery device, comprising an adsorption tower and a condenser, the condenser is installed on the back of the adsorption tower, a dust removal device is arranged on the left side of the adsorption tower, and a recovery device is arranged inside the adsorption tower.

[0008] The dust removal device includes a bag dust collector, an air inlet, a diverter plate, a dust removal assembly, and a connecting pipe. The bag dust collector is installed on the left side of the adsorption tower, the air inlet is opened on the left outer surface of the bag dust collector, the diverter plate is installed on the left side of the interior of the bag dust collector through a support rod, the dust removal assembly is installed inside the bag dust collector, the connecting pipe is fixedly connected to the top of the bag dust collector, and the other end thereof extends into the interior of the adsorption tower.

[0009] A further improvement is that the dust removal assembly includes a mounting plate, a filter bag, and an exhaust port, the mounting plate is fixedly connected to the upper interior of the bag-type dust collector, eight filter bags are divided into two groups and equidistantly installed on the bottom of the mounting plate, eight exhaust ports are divided into two groups and equidistantly penetrate through the upper surface of the mounting plate and correspond to the filter bags, the organic waste gas is introduced into the interior of the bag-type dust collector through the air inlet, the organic waste gas hits the diverter plate, and then enters the interior of the bag-type dust collector from its bottom, and then the organic waste gas passes through the filter bags to intercept and filter the impurities therein.

[0010] A further improvement is that the bottom of the bag-type dust collector is a conical structure, a dust collecting port is provided at the bottom of the bag-type dust collector, a dust collecting box is installed at the bottom of the dust collecting port, and the impurities that fall after interception fall into the interior of the dust collecting box through the dust collecting port. The dust collecting box only needs to be cleaned regularly, and the filtered organic waste gas is input into the interior of the adsorption tower through a connecting pipe for adsorption treatment.

[0011] A further improvement is that the recovery device includes an adsorption unit, a condensation unit and a precipitation recovery unit.

[0012] The adsorption unit includes an air flow distribution plate, an activated carbon adsorption plate, and a steam pipe. The air flow distribution plate is installed in the lower middle part of the adsorption tower, the activated carbon adsorption plate is installed in the middle part of the adsorption tower, and the steam pipe is fixedly connected to the right outer surface of the adsorption tower and extends into the interior of the adsorption tower.

[0013] A further improvement is that the outer surface of the air flow distribution plate is evenly penetrated with guide holes, the outer surface of the activated carbon adsorption plate is evenly penetrated with adsorption holes, the air flow distribution plate is located above the connecting pipe, and the organic waste gas entering the adsorption tower through the connecting pipe hits the air flow distribution plate, and the organic waste gas is evenly floated inside the adsorption tower through the guide holes on the air flow distribution plate, the organic waste gas passes through the activated carbon adsorption plate, and the organic matter in the waste gas is adsorbed by the activated carbon adsorption plate, and then high-temperature steam is introduced into the interior of the adsorption tower through the steam pipe, and the adsorbed and concentrated organic matter on the activated carbon adsorption plate is desorbed by the high-temperature steam and brought into the condensation unit for condensation and recovery.

[0014] A further improvement is that the condensation unit includes an air supply pipe, a condensation pipe, and a guide pipe. The air supply pipe is fixedly connected to the top of the back side of the adsorption tower. The condensation pipe is installed around the inside of the condenser and is connected to the rear end of the air supply pipe. The guide pipe is fixedly connected to the bottom end of the condensation pipe.

[0015] A further improvement is that the precipitation recovery unit includes a storage tank, a separation tank, an overflow pipe, an observation window, and a drain pipe. The storage tank is installed on the back of the adsorption tower, the separation tank is installed on the top of the storage tank, and the guide pipe extends into the interior of the separation tank. The overflow pipe is fixedly connected above the outer surface of the separation tank, and its bottom extends into the interior of the storage tank. The two observation windows are respectively installed on the back of the storage tank and the separation tank. Organic matter mixed with water vapor is input into the interior of the condenser through the gas pipe, and the condensed mixed liquid is discharged into the interior of the separation tank through the guide pipe. It is separated by the principle of gravity sedimentation, so as to recover the organic matter. After sedimentation, the condensed water above the overflow pipe flows back into the interior of the storage tank through the overflow pipe, and then the condensed water is recycled through the drain pipe, thereby saving water resources.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The organic waste gas adsorption and recovery device introduces the organic waste gas into the bag filter through the air inlet. The organic waste gas hits the diverter plate and then enters the bag filter from the bottom. The organic waste gas then passes through the filter bag to intercept and filter the impurities therein.

[0018] 2. In the organic waste gas adsorption and recovery device, the organic waste gas entering the adsorption tower hits the air flow distribution plate and floats evenly inside the adsorption tower. The organic waste gas passes through the activated carbon adsorption plate to adsorb the organic matter in the waste gas, and the high-temperature steam is used to desorb the adsorbed and concentrated organic matter on the activated carbon adsorption plate and bring it into the condensation unit for condensation recovery.

[0019] 3. In the organic waste gas adsorption recovery device, organic matter mixed with water vapor is input into the interior of the condenser through the gas transmission pipe, and the condensed mixed liquid is discharged into the interior of the separation tank through the guide pipe, and is separated by the principle of gravity sedimentation, so as to recover the organic matter. After sedimentation, the condensed water above the overflow pipe flows back into the interior of the storage tank through the overflow pipe, and then the condensed water can be recycled through the drain pipe, thereby saving water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view structural schematic diagram of the utility model;

[0021] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the dust removal device of the utility model;

[0023] Figure 4 This is a schematic diagram of the internal structure of the adsorption tower of the utility model;

[0024] Figure 5 It is a schematic diagram of the independent side view structure of the condensation unit and the precipitation recovery unit of the utility model.

[0025] In the figure: 1. adsorption tower; 2. condenser; 301. bag filter; 302. air inlet; 303. diverter plate; 304. dust removal assembly; 3041. mounting plate; 3042. filter bag; 3043. exhaust port; 305. connecting pipe; 306. dust collecting box; 401. air flow distribution plate; 402. activated carbon adsorption plate; 403. steam pipe; 404. gas transmission pipe; 405. condenser pipe; 406. guide pipe; 407. storage tank; 408. separation tank; 409. overflow pipe; 410. observation window; 411. drain pipe. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 5 , the utility model provides a technical solution:

[0028] Embodiment 1:

[0029] An organic waste gas adsorption recovery device comprises an adsorption tower 1 and a condenser 2. The condenser 2 is installed on the back of the adsorption tower 1. A recovery device is arranged inside the adsorption tower 1.

[0030] The recovery device includes an adsorption unit, a condensation unit and a precipitation recovery unit.

[0031] The adsorption unit includes an air flow distribution plate 401, an activated carbon adsorption plate 402, and a steam pipe 403. The air flow distribution plate 401 is installed in the lower middle part of the adsorption tower 1, the activated carbon adsorption plate 402 is installed in the middle part of the adsorption tower 1, and the steam pipe 403 is fixedly connected to the right outer surface of the adsorption tower 1 and extends into the interior of the adsorption tower 1.

[0032] The outer surface of the air flow distribution plate 401 is evenly penetrated with guide holes, and the outer surface of the activated carbon adsorption plate 402 is evenly penetrated with adsorption holes. The air flow distribution plate 401 is located above the connecting pipe 305. The organic waste gas entering the adsorption tower 1 through the connecting pipe 305 hits the air flow distribution plate 401. The organic waste gas is evenly floated inside the adsorption tower 1 through the guide holes opened on the air flow distribution plate 401. The organic waste gas passes through the activated carbon adsorption plate 402, and the organic matter in the waste gas is adsorbed by the activated carbon adsorption plate 402. Then, high-temperature steam is introduced into the interior of the adsorption tower 1 through the steam pipe 403, and the adsorbed and concentrated organic matter on the activated carbon adsorption plate 402 is desorbed by the high-temperature steam and brought into the condensation unit for condensation recovery.

[0033] The condensation unit includes an air supply pipe 404, a condensation pipe 405, and a guide pipe 406. The air supply pipe 404 is fixedly connected to the top of the back side of the adsorption tower 1. The condensation pipe 405 is installed around the inside of the condenser 2 and is connected to the rear end of the air supply pipe 404. The guide pipe 406 is fixedly connected to the bottom end of the condensation pipe 405.

[0034] The precipitation recovery unit includes a storage tank 407, a separation tank 408, an overflow pipe 409, an observation window 410, and a drain pipe 411. The storage tank 407 is installed on the back of the adsorption tower 1, the separation tank 408 is installed on the top of the storage tank 407, and the guide pipe 406 extends into the interior of the separation tank 408. The overflow pipe 409 is fixedly connected to the upper surface of the separation tank 408, and its bottom extends into the interior of the storage tank 407. Two observation windows 410 are respectively installed on the back of the storage tank 407 and the separation tank 408. Organic matter mixed with water vapor is input into the interior of the condenser 405 through the gas transmission pipe 404, and the condensed mixed liquid is discharged into the interior of the separation tank 408 through the guide pipe 406. The organic matter is separated by the principle of gravity sedimentation, so as to recover the organic matter. After sedimentation, the condensed water higher than the overflow pipe 409 flows back into the interior of the storage tank 407 through the overflow pipe 409, and then the condensed water is recycled through the drain pipe 411, thereby saving water resources.

[0035] Embodiment 2:

[0036] On the basis of Example 1, a dust removal device is provided on the left side of the adsorption tower 1, and the dust removal device includes a bag dust collector 301, an air inlet 302, a diverter plate 303, a dust removal assembly 304, and a connecting pipe 305. The bag dust collector 301 is installed on the left side of the adsorption tower 1, the air inlet 302 is opened on the left outer surface of the bag dust collector 301, the diverter plate 303 is installed on the left side of the interior of the bag dust collector 301 through a support rod, the dust removal assembly 304 is installed inside the bag dust collector 301, and the connecting pipe 305 is fixedly connected to the top of the bag dust collector 301, and the other end thereof extends into the interior of the adsorption tower 1.

[0037] The dust removal assembly 304 includes a mounting plate 3041, a filter bag 3042, and an exhaust port 3043. The mounting plate 3041 is fixedly connected to the upper part of the bag-type dust collector 301. Eight filter bags 3042 are divided into two groups and equidistantly installed on the bottom of the mounting plate 3041. Eight exhaust ports 3043 are divided into two groups and equidistantly penetrate through the upper surface of the mounting plate 3041 and correspond to the filter bags 3042. The organic waste gas is introduced into the bag-type dust collector 301 through the air inlet 302. The organic waste gas hits the diverter plate 303 and then enters the bag-type dust collector 301 from its bottom. Then, the organic waste gas passes through the filter bags 3042 to intercept and filter the impurities therein.

[0038] The bottom of the bag-type dust collector 301 is a conical structure. A dust collecting port is provided at the bottom of the bag-type dust collector 301. A dust collecting box 306 is installed at the bottom of the dust collecting port. Impurities that fall after interception fall into the dust collecting box 306 through the dust collecting port. The dust collecting box 306 can be cleaned regularly. The filtered organic waste gas is input into the interior of the adsorption tower 1 through the connecting pipe 305 for adsorption treatment.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. An organic waste gas adsorption recovery device, comprising an adsorption tower (1) and a condenser (2), wherein the condenser (2) is installed on the back of the adsorption tower (1), characterized in that: A dust removal device is provided on the left side of the adsorption tower (1), and a recovery device is provided inside the adsorption tower (1); The dust removal device comprises a bag dust collector (301), an air inlet (302), a diverter plate (303), a dust removal assembly (304), and a connecting pipe (305); the bag dust collector (301) is installed on the left side of the adsorption tower (1); the air inlet (302) is opened on the left outer surface of the bag dust collector (301); the diverter plate (303) is installed on the left side of the bag dust collector (301) through a support rod; the dust removal assembly (304) is installed inside the bag dust collector (301); the connecting pipe (305) is fixedly connected to the top of the bag dust collector (301), and the other end thereof extends into the interior of the adsorption tower (1).

2. The organic waste gas adsorption recovery device according to claim 1 is characterized in that: The dust removal assembly (304) comprises a mounting plate (3041), a filter bag (3042), and an exhaust port (3043); the mounting plate (3041) is fixedly connected to the upper part of the bag filter (301); eight filter bags (3042) are divided into two groups and equidistantly installed at the bottom of the mounting plate (3041); and eight exhaust ports (3043) are divided into two groups and equidistantly penetrate the upper surface of the mounting plate (3041) and correspond to the filter bags (3042).

3. The organic waste gas adsorption recovery device according to claim 2 is characterized in that: The bottom of the bag-type dust collector (301) is a conical structure. A dust collecting port is provided at the bottom of the bag-type dust collector (301), and a dust collecting box (306) is installed at the bottom of the dust collecting port.

4. The organic waste gas adsorption recovery device according to claim 1 is characterized in that: The recovery device includes an adsorption unit, a condensation unit and a precipitation recovery unit; The adsorption unit comprises an air flow distribution plate (401), an activated carbon adsorption plate (402), and a steam pipe (403); the air flow distribution plate (401) is installed in the lower middle part of the adsorption tower (1); the activated carbon adsorption plate (402) is installed in the middle part of the adsorption tower (1); and the steam pipe (403) is fixedly connected to the right outer surface of the adsorption tower (1) and extends into the interior of the adsorption tower (1).

5. The organic waste gas adsorption recovery device according to claim 4 is characterized in that: The outer surface of the airflow distribution plate (401) is evenly penetrated with flow guide holes, and the outer surface of the activated carbon adsorption plate (402) is evenly penetrated with adsorption holes. The airflow distribution plate (401) is located above the connecting pipe (305).

6. The organic waste gas adsorption recovery device according to claim 5 is characterized in that: The condensation unit comprises an air supply pipe (404), a condensation pipe (405), and a flow guide pipe (406); the air supply pipe (404) is fixedly connected to the top of the back side of the adsorption tower (1); the condensation pipe (405) is installed around the inside of the condenser (2) and is connected to the rear end of the air supply pipe (404); and the flow guide pipe (406) is fixedly connected to the bottom end of the condensation pipe (405).

7. The organic waste gas adsorption recovery device according to claim 6 is characterized in that: The precipitation recovery unit comprises a storage tank (407), a separation tank (408), an overflow pipe (409), an observation window (410), and a drain pipe (411); the storage tank (407) is installed on the back of the adsorption tower (1); the separation tank (408) is installed on the top of the storage tank (407), and the guide pipe (406) extends into the interior of the separation tank (408); the overflow pipe (409) is fixedly connected to the top of the outer surface of the separation tank (408), and its bottom extends into the interior of the storage tank (407); and the two observation windows (410) are respectively installed on the back of the storage tank (407) and the separation tank (408).

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