Secondary activated carbon treatment device for waste gas

Abstract

The utility model relates to the technical field of waste gas treatment devices, in particular to a secondary activated carbon treatment device for waste gas, which comprises a bottom plate, the device further comprises a temporary treatment tank, a conveying pipe, a first air pump, an electromagnetic valve, a standby activated carbon bed, a circulating pipeline, a second air pump, a valve and a first exhaust pipe, the temporary treatment tank is installed on the surface of the upper end of the bottom plate, the surface of the upper end of the temporary treatment tank is connected with one end of the conveying pipe, and the first air pump is installed on the surface of the conveying pipe; when the main activated carbon bed is saturated or the device has faults such as equipment damage and power failure, the device guides waste gas to the standby activated carbon bed in the temporary treatment tank for adsorption treatment by utilizing the air pump I through switching of the electromagnetic valve, and the waste gas passes through the standby activated carbon bed in a circulating manner through the air pump II and the circulating pipeline for multiple times, so that the emission standard is ensured to be reached; and the treated gas is discharged through the exhaust pipe I, so that the untreated harmful gas is effectively prevented from being directly discharged into the atmosphere, the production continuity is ensured, and the environment is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment device technical field especially relates to a waste gas secondary activated carbon treatment device. BACKGROUND

[0002] Waste gas secondary activated carbon treatment device is used for treating the environmental protection equipment of organic waste gas produced in industrial or commercial process, and this treatment device mainly removes volatile organic compounds and other harmful substances in waste gas through the strong adsorption capacity of activated carbon, waste gas first passes through the first activated carbon bed, here, most of volatile organic compounds are adsorbed by activated carbon, and waste gas will then pass through the second activated carbon bed, mainly used for capturing the remaining pollutants not captured in the first adsorption process.

[0003] Common waste gas treatment device, when the main activated carbon bed is saturated or the device fails such as equipment damage, power failure, no emergency exhaust port can be started, cannot provide a safe path to guide waste gas, leading to pollutants being directly discharged without treatment.

[0004] Therefore, aiming at the above waste gas treatment device, when the device fails, a safe path cannot be provided to guide waste gas, leading to pollutants being directly discharged without treatment, and a waste gas secondary activated carbon treatment device is urgently needed. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the common waste gas treatment device cannot provide a safe path to guide waste gas when the device fails, leading to pollutants being directly discharged without treatment.

[0006] The technical scheme of the utility model is: a waste gas secondary activated carbon treatment device, comprising a bottom plate; further comprising a temporary treatment tank, a conveying pipe, a gas pump one, a solenoid valve, a standby activated carbon bed, a circulating pipeline, a gas pump two, a valve and an exhaust pipe one, the upper end surface of the bottom plate is provided with the temporary treatment tank, one end of the temporary treatment tank is connected with the conveying pipe, the surface of the conveying pipe is provided with the gas pump one, the surface of the conveying pipe is provided with the solenoid valve, the inside of the temporary treatment tank is connected with a mounting frame, the inside of the mounting frame is provided with the standby activated carbon bed, the right end surface of the temporary treatment tank is connected with the circulating pipeline, the surface of the circulating pipeline is provided with the gas pump two, the rear end surface of the temporary treatment tank is connected with the exhaust pipe one, and the surface of the exhaust pipe one is provided with the valve.

[0007] Preferably, when the main activated carbon bed is saturated or the device fails, the electromagnetic valve switches so that the exhaust gas is pumped by the air pump one into the temporary treatment tank through the conveying pipe, and the exhaust gas is adsorbed by the standby activated carbon bed in the temporary treatment tank, if further purification is required, the air pump two and the circulating pipeline can be used to make the exhaust gas pass through the standby activated carbon bed multiple times until the emission standard is met, finally, the treated exhaust gas is discharged through the exhaust pipe one, and the process can be adjusted by the valve, in the case of device failure such as equipment damage and power failure, the exhaust gas is guided to the standby activated carbon bed in the temporary treatment tank through the cooperation of the electromagnetic valve and the air pump one, so that the untreated harmful gas is prevented from being directly discharged into the atmosphere.

[0008] Preferably, the upper end surface of the bottom plate is connected with four supporting legs, the upper end surface of the four supporting legs is provided with a fixing ring, and the inside of the fixing ring is provided with the exhaust gas treatment tank.

[0009] Preferably, the upper end surface of the exhaust gas treatment tank is connected with the air inlet pipe, and the lower end surface of the exhaust gas treatment tank is connected with the exhaust pipe two.

[0010] Preferably, the inside of the exhaust gas treatment tank is provided with a pretreatment filter screen, and the inside of the exhaust gas treatment tank is provided with a heating wire.

[0011] Preferably, the other end of the conveying pipe is connected to the surface of the exhaust gas treatment tank, and the surface of the exhaust gas treatment tank is connected with a connecting box.

[0012] Preferably, the left end surface of the connecting box is provided with two fixing grooves, the inside of the fixing grooves is slidably connected with mounting plates, one activated carbon bed body is mounted in the grooves of the two mounting plates, and the left end surface of the mounting plate is provided with an embedded handle.

[0013] Preferably, the lower end surface of the bottom plate is fixed with four supporting feet, and the lower end of the supporting feet is sleeved with a rubber pad.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. When the main activated carbon bed is saturated or the device fails, such as equipment damage and power failure, the device switches through the electromagnetic valve, uses the air pump one to guide the exhaust gas to the standby activated carbon bed in the temporary treatment tank for adsorption treatment, makes the exhaust gas circulate through the standby activated carbon bed multiple times through the air pump two and the circulating pipeline, ensures that the emission standard is reached, and the treated gas is discharged through the exhaust pipe one, which effectively avoids that the untreated harmful gas is directly discharged into the atmosphere, guarantees the continuity of production, and protects the environment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the exhaust gas two-stage activated carbon treatment device is shown.

[0017] Figure 2 A waste gas two-stage activated carbon treatment device three-dimensional section structure schematic view is shown;

[0018] Figure 3 A waste gas two-stage activated carbon treatment device connecting box is shown in the three-dimensional structure schematic view;

[0019] Figure 4 A waste gas two-stage activated carbon treatment device temporary treatment tank is shown in the three-dimensional structure schematic view.

[0020] Marked: 1, the bottom plate; 2, support leg; 3, fixed ring; 4, waste gas treatment tank; 5, temporary treatment tank; 6, conveying pipe; 7, air pump one; 8, electromagnetic valve; 9, mounting frame; 10, spare activated carbon bed; 11, circulating pipeline; 12, air pump two; 13, valve; 14, exhaust pipe one; 15, pretreatment filter screen; 16, heating wire; 17, connecting box; 18, fixed groove; 19, mounting plate; 20, activated carbon bed body; 21, built-in handle; 22, exhaust pipe two; 23, support foot; 24, rubber pad. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples.

[0022] Please refer to Figures 1-4The utility model provides a kind of embodiment: a waste gas secondary activated carbon treatment device, including bottom plate 1;Further including temporary treatment tank 5, conveying pipe 6, air pump one 7, solenoid valve 8, spare activated carbon bed 10, circulating pipeline 11, air pump two 12, valve 13 and exhaust pipe one 14, temporary treatment tank 5 is installed on the upper end surface of bottom plate 1, one end of conveying pipe 6 is connected with the upper end surface of temporary treatment tank 5, air pump one 7 is installed on the surface of conveying pipe 6, solenoid valve 8 is installed on the surface of conveying pipe 6, installation frame 9 is connected in the inside of temporary treatment tank 5, spare activated carbon bed 10 is installed in the inside of installation frame 9, circulating pipeline 11 is connected with the right end surface of temporary treatment tank 5, air pump two 12 is installed on the surface of circulating pipeline 11, exhaust pipe one 14 is connected with the rear end surface of temporary treatment tank 5, valve 13 is installed on the surface of exhaust pipe one 14, when detecting that main activated carbon bed saturation or device failure, solenoid valve 8 switches, so that waste gas is pumped into temporary treatment tank 5 by air pump one 7 via conveying pipe 6, in temporary treatment tank 5, waste gas is handled by being adsorbed by spare activated carbon bed 10, if further purification is required, waste gas can be made to pass through spare activated carbon bed 10 multiple times by air pump two 12 and circulating pipeline 11 until meeting emission standard, finally, the waste gas after being handled is discharged through exhaust pipe one 14, this process can be adjusted by valve 13, in the case where device failure such as equipment damage, power failure occurs, waste gas is guided to spare activated carbon bed 10 in temporary treatment tank 5 for processing by the cooperation of solenoid valve 8 and air pump one 7, avoid harmful gas without being handled to be directly discharged into atmosphere.

[0023] Please refer to Figures 1-2 In the embodiment, the upper end surface of bottom plate 1 is connected with four supporting legs 2, the upper end surface of the four supporting legs 2 is installed with a fixing ring 3, the inside of the fixing ring 3 is installed with a waste gas treatment tank 4, the bottom plate 1 provides stable basic support through the four supporting legs 2, the fixing ring 3 is used for fixing the waste gas treatment tank 4, to ensure its stability and safety, the upper end surface of the waste gas treatment tank 4 is connected with an air inlet pipe, the lower end surface of the waste gas treatment tank 4 is connected with an exhaust pipe two 22, the air inlet pipe is connected to a waste gas source, to guide waste gas into the waste gas treatment tank 4, the exhaust pipe two 22 discharges the treated gas, the inside of the waste gas treatment tank 4 is installed with a pretreatment filter screen 15, the inside of the waste gas treatment tank 4 is installed with a heating wire 16, the pretreatment filter screen 15 preliminarily filters particulate matters and other impurities in waste gas, to prevent these impurities from blocking activated carbon pores, to affect adsorption effect, the heating wire 16 heats waste gas, to help improve subsequent activated carbon adsorption efficiency.

[0024] Please refer to Figures 1-4In this embodiment, the other end of the conveying pipe 6 is connected to the surface of the exhaust gas treatment tank 4, the surface of the exhaust gas treatment tank 4 is connected with the connecting box 17, one end of the conveying pipe 6 is connected to the exhaust gas treatment tank 4, and the other end is connected to the temporary treatment tank 5 for diverting the exhaust gas in emergency, the left end surface of the connecting box 17 is provided with two fixed grooves 18, the inside of the fixed grooves 18 is slidably connected with the mounting plates 19, one activated carbon bed body 20 is installed in each of the two mounting plates 19, the left end surface of the mounting plate 19 is provided with the built-in handle 21, the fixed groove 18 allows the mounting plate 19 to slide in and out, which is convenient for installation and maintenance, one activated carbon bed body 20 is installed on each of the mounting plates 19, which is convenient for replacement and maintenance, the built-in handle 21 is convenient for the operator to pull out or push in the mounting plate 19, the exhaust gas first passes through the first layer of activated carbon bed body 20, most of the volatile organic compounds are adsorbed by the activated carbon, and then the exhaust gas passes through the second layer of activated carbon bed body 20, the second layer of activated carbon bed body 20 ensures higher purification efficiency, this step is mainly used to capture the remaining pollutants that are not captured in the adsorption process of the first layer of activated carbon bed body 20, and provides more thorough purification effect, the bottom plate 1 is fixedly connected with the four supporting legs 23 at the lower end surface, the lower end of the supporting leg 23 is sleeved with the rubber pad 24, the supporting leg 23 improves the stability of the device, and the rubber pad 24 can reduce vibration and noise.

[0025] In the process of working, when the main activated carbon bed is saturated or the device fails, the electromagnetic valve 8 switches, so that the exhaust gas is pumped into the temporary treatment tank 5 by the air pump one 7 via the conveying pipe 6, and the exhaust gas is adsorbed by the standby activated carbon bed 10 in the temporary treatment tank 5, if further purification is needed, the exhaust gas can be circulated through the standby activated carbon bed 10 multiple times by the air pump two 12 and the circulating pipe 11, until the emission standard is met, finally, the treated exhaust gas is discharged through the exhaust pipe one 14, and the process can be adjusted by the valve 13, in the case of device failure such as equipment damage, power failure, the exhaust gas is guided to the standby activated carbon bed 10 in the temporary treatment tank 5 for treatment by the cooperation of the electromagnetic valve 8 and the air pump one 7, avoiding the direct emission of untreated harmful gas into the atmosphere, the bottom plate 1 provides stable foundation support through the four supporting legs 2, and the fixing ring 3 is used to fix the exhaust gas treatment tank 4, ensuring its stability and safety, the air inlet pipe is connected to the exhaust gas source to guide the exhaust gas into the exhaust gas treatment tank 4, and the exhaust pipe two 22 discharges the treated gas, the pre-treatment filter screen 15 preliminarily filters the particulate matters and other impurities in the exhaust gas, so as to prevent these impurities from blocking the activated carbon pores and affecting the adsorption effect, the heating wire 16 heats the exhaust gas, which helps to improve the subsequent activated carbon adsorption efficiency, the conveying pipe 6 is connected to the exhaust gas treatment tank 4 at one end and connected to the temporary treatment tank 5 at the other end, which is used to divert the exhaust gas in emergency, the fixed slot 18 allows the installation plate 19 to slide in and out, which is convenient for installation and maintenance, and each installation plate 19 is provided with an activated carbon bed body 20, which is convenient for replacement and maintenance, and the built-in handle 21 is convenient for operators to pull out or push in the installation plate 19, the exhaust gas first passes through the first layer of activated carbon bed body 20, and most of the volatile organic compounds are adsorbed by the activated carbon, and then the exhaust gas passes through the second layer of activated carbon bed body 20, which ensures higher purification efficiency, and this step is mainly used to capture the remaining pollutants that are not captured in the adsorption process of the first layer of activated carbon bed body 20, providing more thorough purification effect, the supporting feet 23 improve the stability of the device, and the rubber pads 24 can reduce vibration and noise.

[0026] Through the above steps, when the main activated carbon bed is saturated or the device fails such as equipment damage and power failure, the device guides the exhaust gas to the standby activated carbon bed 10 in the temporary treatment tank 5 for adsorption treatment by the switching of the electromagnetic valve 8 and the use of the air pump one 7, and the exhaust gas is circulated through the standby activated carbon bed 10 multiple times by the air pump two 12 and the circulating pipe 11, to ensure that the emission standard is met, and the treated gas is discharged through the exhaust pipe one 14, effectively avoiding the direct emission of untreated harmful gas into the atmosphere, which not only ensures the continuity of production, but also protects the environment, to solve the problem that the common exhaust gas treatment device cannot provide a safe path to guide the exhaust gas when the device fails, resulting in the direct emission of pollutants without treatment.

Claims

1. A waste gas secondary activated carbon treatment device, comprising a bottom plate (1); characterized in that: Also include temporary processing tank (5), delivery pipe (6), air pump one (7), solenoid valve (8), spare activated carbon bed (10), circulating pipeline (11), air pump two (12), valve (13) and exhaust pipe one (14), the upper end surface of the bottom plate (1) is provided with a temporary processing tank (5), one end of the temporary processing tank (5) is connected with a delivery pipe (6), the surface of the delivery pipe (6) is provided with an air pump one (7), the surface of the delivery pipe (6) is provided with a solenoid valve (8), the inside of the temporary processing tank (5) is connected with a mounting frame (9), the inside of the mounting frame (9) is provided with a spare activated carbon bed (10), the right end surface of the temporary processing tank (5) is connected with a circulating pipeline (11), the surface of the circulating pipeline (11) is provided with an air pump two (12), the rear end surface of the temporary processing tank (5) is connected with an exhaust pipe one (14), the surface of the exhaust pipe one (14) is provided with a valve (13).

2. The waste gas two-stage activated carbon treatment device according to claim 1, characterized in that: The upper end surface of the bottom plate (1) is connected with four supporting legs (2), the upper end surface of the four supporting legs (2) is provided with a fixing ring (3), the inside of the fixing ring (3) is provided with a waste gas treatment tank (4).

3. The exhaust gas two-stage activated carbon treatment device according to claim 2, characterized in that: The upper end surface of the waste gas treatment tank (4) is connected with an air inlet pipe, the lower end surface of the waste gas treatment tank (4) is connected with an exhaust pipe two (22).

4. The exhaust gas two-stage activated carbon treatment device according to claim 3, characterized in that: The inside of the waste gas treatment tank (4) is provided with a pretreatment filter screen (15), the inside of the waste gas treatment tank (4) is provided with a heating wire (16).

5. The exhaust gas two-stage activated carbon treatment device according to claim 1, characterized by: The other end of the delivery pipe (6) is connected with the surface of the waste gas treatment tank (4), the surface of the waste gas treatment tank (4) is connected with a connecting box (17).

6. The exhaust gas two-stage activated carbon treatment device according to claim 5, characterized in that: The left end surface of the connecting box (17) is provided with two fixed grooves (18), the inside of the fixed groove (18) is slidably connected with a mounting plate (19), the slot of the two mounting plates (19) is provided with an activated carbon bed body (20), the left end surface of the mounting plate (19) is provided with an embedded handle (21).

7. The exhaust gas two-stage activated carbon treatment device according to claim 2, characterized by: The lower end surface of the bottom plate (1) is fixedly provided with four supporting feet (23), the lower end of the supporting foot (23) is sleeved with a rubber pad (24).

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