CN205235698U - Active carbon adsorption device of can regenerating - Google Patents

Abstract

The utility model provides a regenerable activated carbon adsorption device, which comprises an air intake pipe and two reaction furnaces respectively connected to the air intake pipes. The two reaction furnaces are equipped with activated carbon felts, and the air intake pipe is divided into two parts by the entrance. Two pipelines, and each pipeline is respectively connected with the lower ends of the two reaction furnaces, the upper ends of the two reaction furnaces are provided with gas outlet pipes; the outside of the two reaction furnaces are provided with nitrogen pipes, The nitrogen pipe communicates with a water vapor pipe. Activated carbon felt has a highly developed pore structure and a huge specific surface area. It is selected as an adsorbent and has a good adsorption effect. The structure of adsorption and desorption is adopted to ensure that the adsorption and desorption of activated carbon are carried out alternately. To improve the utilization rate of activated carbon, the thermal regeneration method is adopted for desorption, and the corresponding reaction conditions can be controlled by simply adjusting the switch, saving time and human resources.

Description

Renewable activated carbon adsorption unit

technical field

The utility model relates to the technical field of waste treatment, in particular to a regenerable activated carbon adsorption device for industrial waste gas.

Background technique

In the industry, activated carbon adsorption devices are generally used for exhaust gas absorption. Activated carbon adsorption utilizes the porous, large specific surface area, hydrophobicity and good selective adsorption capacity of activated carbon to absorb toxic pollutants through the precipitation of harmful substances on the surface of activated carbon, which can effectively reduce pollution. It is widely used in industry.

CN203750377 provides an activated carbon adsorption exhaust gas treatment device, but there is no description for the activated carbon treatment after adsorption, the activated carbon saturated with adsorption can only be removed for landfill or secondary utilization for desorption treatment, and landfill will pollute the environment , It will be very difficult to remove the activated carbon felt during desorption treatment for secondary use.

CN204429302 provides a device for regenerating and activating activated carbon, but the device can only activate activated carbon saturated with adsorption, and cannot be used as an absorption device to treat pollutants. Moreover, the device has a complex structure, is not easy to assemble and maintain, and consumes a lot of energy during activation.

Contents of the invention

In order to overcome the above-mentioned defects in the prior art, the utility model provides a device capable of alternately treating activated carbon adsorption and desorption in the same equipment.

In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is: a regenerable activated carbon adsorption device, including an air inlet pipe and two reaction furnaces respectively connected to the air inlet pipe, and activated carbon felts are arranged in the two reaction furnaces, so The air inlet pipeline is divided into two pipelines by the entrance, and each pipeline is connected to the lower ends of the two reaction furnaces respectively, and the upper ends of the two reaction furnaces are provided with gas outlet pipes; the two reaction furnaces Nitrogen pipes are arranged on the outside of the cylinder, and the nitrogen pipes communicate with a water vapor pipe.

Further, first valves are provided on both pipelines of the air intake pipeline.

Further, the nitrogen pipe is provided with a second valve.

Further, the water vapor pipe is provided with a third valve.

Further, an electric heating device is provided in the reaction furnace.

The utility model mainly uses the highly developed pore structure and huge specific surface area of activated carbon as an adsorbent to treat industrial waste gas, and adopts a structure integrating adsorption and desorption, which ensures that the adsorption and desorption of activated carbon are carried out alternately, and can greatly Improve the utilization rate of activated carbon;

The thermal regeneration method is adopted in the desorption process, and the corresponding reaction conditions can be controlled only by adjusting the switch, which greatly saves time and human resources;

The activated carbon felt in the reaction furnace has a highly developed pore structure and a huge specific surface area. It is selected as an adsorbent and has a good adsorption effect.

The structure and principle of the present utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the structural representation of the utility model;

In the figure: 1. Intake pipe; 2. First valve; 3. Nitrogen pipe; 4. Second valve; 5. Water vapor pipe; 6. Third valve; 7. Activated carbon felt; 8. Reaction furnace; 9; Outlet pipe.

detailed description

As shown in Figure 1: a kind of regenerable active carbon adsorption device, comprises two reaction furnaces 8 that inlet pipe 1 and connect inlet pipe 1 respectively, are all provided with activated carbon felt 7 in described two reaction furnaces 8, The inlet pipeline 1 is divided into two pipelines by the entrance, and each pipeline is connected to the lower ends of the two reaction furnaces 8 respectively, and the upper ends of the two reaction furnaces 8 are provided with an outlet pipeline 9; The first valve 2 is provided on the two pipelines of the inlet pipe 1, and the outside of the two reaction furnaces 8 is provided with a nitrogen pipe 3, and the nitrogen pipe 3 communicates with a water vapor pipe 5; The pipe 3 is provided with a second valve 4 , and the water vapor pipe 5 is provided with a third valve 6 .

When the industrial waste gas is passed into the intake pipe 1, the first valve 2 can be used to adjust whether the waste gas enters the left furnace or the right furnace. It can be assumed that the reaction furnace 8 on the left in Fig. 1 is for adsorption treatment, and the reaction furnace 8 on the right can be Carry out desorption treatment or maintenance, etc.; industrial waste gas enters the reaction furnace 8 on the left, and the waste gas is discharged from the outlet pipe 10 after being adsorbed by the activated carbon felt 7 . If the reaction furnace 8 on the right side performs desorption treatment, the third valve 6 should be opened first, and the high-temperature and high-pressure water vapor is introduced into the water vapor pipe 5 to carry out the desorption treatment of activated carbon, mainly desorbing those substances with weak adsorption capacity; for The substances that are more difficult to desorb need to be desorbed at a higher temperature. In order to prevent the oxidation of activated carbon, an inert gas such as nitrogen is used for protection. At this time, the second valve 4 is opened to feed hot nitrogen into the nitrogen pipe 3. At this time The temperature of hot nitrogen should be higher than the temperature of water vapor, and nitrogen can be used as the protective gas when high-temperature activated carbon is desorbed; temperature.

Through this activated carbon adsorption and desorption alternate treatment device, the utilization rate of activated carbon felt is greatly improved, and a lot of time and human resources are saved.

The above schematically describes the utility model and its implementation, which is not restrictive, and what is shown in the accompanying drawings is only one implementation of the utility model, and the actual structure is not limited thereto. Therefore, if a person of ordinary skill in the art is inspired by it, and without departing from the purpose of the invention of the utility model, without creatively designing a structural mode and an embodiment similar to the technical solution, it shall belong to the utility model. protected range.

Claims (5)

1. renewable absorbent charcoal adsorber, it is characterized in that: comprise admission line (1) and connect respectively two reacting furnaces (8) of admission line (1), in described two reacting furnaces (8), be equipped with active carbon felt (7), described admission line (1) is divided into two pipelines by porch, and each pipeline is connected with the lower end of described two reacting furnaces (8) respectively, the upper end of described two reacting furnaces (8) is equipped with outlet pipe (9); The outside of described two reacting furnaces (8) is equipped with nitrogen tube (3), and described nitrogen tube (3) is connected with a steam pipe (5).

2. renewable absorbent charcoal adsorber according to claim 1, is characterized in that: on two pipelines of described admission line (1), be equipped with the first valve (2).

3. renewable absorbent charcoal adsorber according to claim 1, is characterized in that: described nitrogen tube (3) is provided with the second valve (4).

4. renewable absorbent charcoal adsorber according to claim 1, is characterized in that: described steam pipe (5) is provided with the 3rd valve (6).

5. renewable absorbent charcoal adsorber according to claim 1, is characterized in that: reacting furnace is provided with electric heater unit in (8).