Full-automatic tail gas purification system

Abstract

The utility model provides a full-automatic tail gas purification system, which relates to the technical field of tail gas purification, and comprises a tail gas purification box, an activated carbon filter screen is fixedly arranged at the bottom of the tail gas purification box, an electrostatic dust collection module is arranged above the activated carbon filter screen, a gas outlet is arranged above the electrostatic dust collection module, and a gas outlet is arranged above the gas outlet. An air guide pipeline is fixedly mounted in the air outlet, and a detection purification box is fixedly mounted at one end of the air guide pipeline. The tail gas treatment device has the advantages that particulate matters in tail gas are adsorbed by the activated carbon structure, smoke dust in the tail gas is treated by the electrostatic dust collection structure, the pH value of the tail gas from which the particulate matters and the smoke dust are taken out is detected, and the pH value of the tail gas is adjusted by spraying pH value adjusting liquid according to the detected pH value; harmful components in the tail gas are purified, harmful substances in the tail gas can be effectively reduced, the tail gas purification quality is improved, and the tail gas emission safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas purification, in particular to a full-automatic tail gas purification system. Background Art

[0002] With the global emphasis on greenhouse gas management and responding to the disasters brought by climate change to mankind, the requirements for engine exhaust emissions are becoming more and more stringent. It is well known that the particle emissions of diesel engine groups are 30 to 80 times that of gasoline vehicles, so the purification of diesel particles has become the main task of diesel vehicle purifiers.

[0003] CN201420392561.6 introduces a fully automatic exhaust purification system for diesel engines, which solves the problem that smoke particles and exhaust gas generated when the engine is running cannot be treated at the same time. The two different exhaust gases of the diesel engine are treated by coating a catalytic layer on the smoke filter carrier, so that the carrier can play the best function. This application provides a new technical solution for purifying exhaust gas and adjusting the pH of exhaust gas emissions. Utility Model Content

[0004] Therefore, the purpose of the utility model is to provide a fully automatic exhaust gas purification system to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0005] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a fully automatic exhaust gas purification system, including an exhaust gas collecting hood, a negative pressure fan is fixedly installed at one end of the exhaust gas collecting hood, an exhaust gas purification box is fixedly installed at one end of the negative pressure fan through a pipeline, an activated carbon filter is fixedly installed at the bottom of the exhaust gas purification box, an electrostatic dust removal module is arranged above the activated carbon filter, an air outlet is arranged above the electrostatic dust removal module, an air guide duct is fixedly installed inside the air outlet, a detection purification box is fixedly installed at one end of the air guide duct, a pH sensor is arranged inside the detection purification box, the pH sensor signal is connected to the main control board, and the main control board signal is connected to the acid-base purification liquid electric nozzle.

[0006] Preferably, any of the above schemes has an air inlet hole at the bottom of one end of the exhaust gas purification box, and a mounting groove adapted to the activated carbon filter is provided inside the exhaust gas purification box.

[0007] The above technical solution is adopted: negative pressure is formed inside the exhaust gas collection hood by a negative pressure fan, the exhaust gas is collected inside the exhaust gas collection hood by using the negative pressure, and the exhaust gas is introduced into the exhaust gas purification box by the negative pressure fan for purification of the exhaust gas.

[0008] Preferably, any of the above schemes is that the activated carbon filter is located above the air inlet, an ultrasonic generator is provided on one side of the activated carbon filter, and the ultrasonic generator is fixedly installed at one end of the exhaust gas purification box.

[0009] The above technical solution is adopted: the exhaust gas entering the exhaust gas purification box floats upward, and the exhaust gas is filtered and absorbed by the activated carbon filter, and the particles in the exhaust gas are adsorbed into the inside of the activated carbon filter, thereby purifying the particles in the exhaust gas, and after the activated carbon filter adsorbs the particles, the ultrasonic generator can be controlled to generate ultrasonic waves to perform ultrasonic cleaning on the activated carbon filter, thereby ensuring the normal use of the activated carbon filter and its filtration efficiency.

[0010] Preferably, from any of the above schemes, the electrostatic precipitator module comprises a positive plate and a negative plate, the positive plate is fixedly mounted inside the exhaust gas purification box, an insulating connecting block is fixedly mounted on one end of the positive plate, and a negative plate is fixedly mounted on one end of the insulating connecting block.

[0011] The above technical solution is adopted: the positive plate and the negative plate are energized to form an electrostatic field between the positive plate and the negative plate, and the tail gas passing through the electrostatic field is electrostatically precipitated and purified to achieve purification of smoke in the tail gas.

[0012] Preferably, any of the above schemes is that the gas outlet is opened at the top of one end of the exhaust gas purification box, and one end of the air guide pipe is fixedly installed with the exhaust gas purification box.

[0013] The above technical solution is adopted: the tail gas after electrostatic dust removal is discharged through the air outlet, and the tail gas is introduced into the interior of the detection purification box through the air guide pipe, so that the tail gas enters the detection purification box from the bottom.

[0014] Preferably, any of the above schemes is that the pH sensor is located above the air outlet of the air duct, and the pH sensor is located below the electric spray head.

[0015] The above technical solution is adopted: the pH value of the exhaust gas entering the detection and purification box is detected by a pH sensor, and the electric nozzle is controlled to work according to the detected pH value data.

[0016] Preferably, any of the above schemes is that the electric spray head is fixedly mounted on the top of one end of the detection purification box, one end of the electric spray head is fixedly mounted with a storage box via a delivery hose, and the storage box is fixedly mounted on the top of the detection purification box.

[0017] The above technical solution is adopted: the pH adjusting liquid is stored inside the storage box, wherein the interior of the storage box can be divided into two storage chambers, for storing and distributing the acidic adjusting liquid and the alkaline adjusting liquid respectively, and the electric nozzle is controlled to spray the corresponding pH adjusting liquid according to the pH data detected by the pH sensor to adjust the pH of the exhaust gas.

[0018] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0019] 1. Set up an activated carbon structure to adsorb particulate matter in the exhaust gas, and then use the electrostatic dust removal structure to treat the smoke in the exhaust gas. After the pH value of the exhaust gas from which the particles and smoke are removed is tested, spray the pH adjusting liquid according to the tested pH value to adjust the pH value of the exhaust gas and purify the harmful components in the exhaust gas. This can effectively reduce the harmful substances in the exhaust gas, improve the quality of exhaust gas purification, and increase the safety of exhaust gas emissions.

[0020] 2. An ultrasonic purification structure is set on one side of the activated carbon structure, and ultrasonic waves are used to clean the activated carbon structure that adsorbs particles, so as to facilitate the unified treatment of particle cleaning, facilitate the reuse of the activated carbon structure, and ensure the efficiency of exhaust gas purification.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 It is a structural schematic diagram according to an embodiment of the utility model;

[0024] Figure 2 It is a structural schematic diagram of an electrostatic dust removal module according to an embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of the cross-sectional structure according to an embodiment of the utility model;

[0026] Figure 4 It is a schematic diagram of the cross-sectional structure of the exhaust gas purification box according to an embodiment of the utility model;

[0027] Figure 5 A schematic diagram of the system layout according to an embodiment of the utility model;

[0028] Among them: 1-exhaust collection hood, 2-negative pressure fan, 3-exhaust purification box, 4-activated carbon filter, 5-electrostatic dust removal module, 51-positive plate, 52-negative plate, 6-air outlet, 7-air duct, 8-detection purification box, 9-pH sensor, 10-acid and alkali purification liquid electric nozzle, 11-ultrasonic generator, 12-insulating connection block, 13-storage box. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0030] like Figure 1-5 As shown, an automatic exhaust gas purification system of an embodiment of the utility model comprises an exhaust gas collecting hood 1, a negative pressure fan 2 is fixedly installed at one end of the exhaust gas collecting hood 1, an exhaust gas purification box 3 is fixedly installed at one end of the negative pressure fan 2 through a pipeline, an activated carbon filter 4 is fixedly installed at the bottom of the exhaust gas purification box 3, an electrostatic dust removal module 5 is arranged above the activated carbon filter 4, an air outlet 6 is arranged above the electrostatic dust removal module 5, an air guide duct 7 is fixedly installed inside the air outlet 6, a detection purification box 8 is fixedly installed at one end of the air guide duct 7, a pH sensor 9 is arranged inside the detection purification box 8, the pH sensor 9 signal is connected to the main control board, and the main control board signal is connected to the acid-base purification liquid electric nozzle 10.

[0031] An air inlet is provided at the bottom of one end of the exhaust gas purification box 3, and an installation groove compatible with the activated carbon filter 4 is provided inside the exhaust gas purification box 3. A negative pressure is formed inside the exhaust gas collecting cover 1 through the negative pressure fan 2, and the exhaust gas is collected into the exhaust gas collecting cover 1 by the negative pressure, and the exhaust gas is introduced into the exhaust gas purification box 3 through the negative pressure fan 2 for purification of the exhaust gas.

[0032] The activated carbon filter 4 is located above the air inlet, and an ultrasonic generator 11 is provided on one side of the activated carbon filter 4. The ultrasonic generator 11 is fixedly installed at one end of the exhaust purification box 3. The exhaust gas entering the exhaust purification box 3 floats upward, and the exhaust gas is filtered and absorbed by the activated carbon filter 4, and the particles in the exhaust gas are adsorbed into the inside of the activated carbon filter 4, so as to purify the particles in the exhaust gas. After the activated carbon filter 4 adsorbs the particles, the ultrasonic generator 11 can be controlled to generate ultrasonic waves to perform ultrasonic cleaning on the activated carbon filter 4, so as to ensure the normal use of the activated carbon filter 4 and its filtering efficiency.

[0033] The electrostatic precipitator module 5 includes a positive plate 51 and a negative plate 52. The positive plate 51 is fixedly installed inside the exhaust gas purification box 3. An insulating connecting block 12 is fixedly installed at one end of the positive plate 51, and a negative plate 52 is fixedly installed at one end of the insulating connecting block 12. When the positive plate 51 and the negative plate 52 are energized, an electrostatic field is formed between the positive plate 51 and the negative plate 52, and the exhaust gas passing through the electrostatic field is electrostatically precipitated and purified, thereby purifying the smoke in the exhaust gas.

[0034] The air outlet 6 is opened at the top of one end of the exhaust gas purification box 3, and one end of the air guide pipe 7 is fixedly installed with the exhaust gas purification box 3. The exhaust gas after electrostatic dust removal is discharged through the air outlet 6, and the exhaust gas is introduced into the interior of the detection purification box 8 through the air guide pipe 7, so that the exhaust gas enters from the bottom of the detection purification box 8.

[0035] The pH sensor 9 is located above the air outlet of the air duct 7, and the pH sensor 9 is located below the electric nozzle 10. The pH sensor 9 detects the pH of the exhaust gas entering the detection and purification box 8, and controls the electric nozzle 10 to work according to the detected pH data.

[0036] The electric spray head 10 is fixedly mounted on the top of one end of the detection and purification box 8. A storage box 13 is fixedly mounted on one end of the electric spray head 10 through a delivery hose. The storage box 13 is fixedly mounted on the top of the detection and purification box 8. The pH adjusting liquid is stored inside the storage box 13. The storage box 13 can be divided into two storage chambers for storing and distributing the acidic adjusting liquid and the alkaline adjusting liquid respectively. According to the pH data detected by the pH sensor 9, the electric spray head 10 is controlled to spray the corresponding pH adjusting liquid to adjust the pH of the exhaust gas.

[0037] The utility model is a fully automatic tail gas purification system, the working principle is as follows:

[0038] The negative pressure fan 2 is controlled to introduce the exhaust gas into the exhaust gas purification box 3. After the activated carbon filter 4 adsorbs the particles in the exhaust gas, the electrostatic dust removal module 5 is energized to adsorb the smoke in the exhaust gas. The exhaust gas is introduced into the detection purification box 8 through the air guide pipe 7. The pH sensor 9 detects the pH of the exhaust gas and then controls the pH purification liquid electric nozzle 10 to spray the pH purification liquid.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] 1. Set up an activated carbon structure to adsorb particulate matter in the exhaust gas, and then use the electrostatic dust removal structure to treat the smoke in the exhaust gas. After the pH value of the exhaust gas from which the particles and smoke are removed is tested, spray the pH adjusting liquid according to the tested pH value to adjust the pH value of the exhaust gas and purify the harmful components in the exhaust gas. This can effectively reduce the harmful substances in the exhaust gas, improve the quality of exhaust gas purification, and increase the safety of exhaust gas emissions.

[0041] 2. An ultrasonic purification structure is set on one side of the activated carbon structure, and ultrasonic waves are used to clean the activated carbon structure that adsorbs particles, so as to facilitate the unified treatment of particle cleaning, facilitate the reuse of the activated carbon structure, and ensure the efficiency of exhaust gas purification.

Claims

1. A fully automatic exhaust gas purification system, comprising an exhaust gas collection hood, one end of which is fixedly mounted with a negative pressure fan, and one end of which is fixedly mounted with an exhaust gas purification box through a pipeline, characterized in that: An activated carbon filter is fixedly installed at the bottom of the exhaust gas purification box, an electrostatic dust removal module is arranged above the activated carbon filter, an air outlet is arranged above the electrostatic dust removal module, an air guide duct is fixedly installed inside the air outlet, a detection purification box is fixedly installed at one end of the air guide duct, a pH sensor is arranged inside the detection purification box, the pH sensor signal is connected to the main control board, and the main control board signal is connected to the electric nozzle of the acid-base purification liquid.

2. The fully automatic exhaust gas purification system according to claim 1, characterized in that: An air inlet hole is provided at the bottom of one end of the exhaust gas purification box, and a mounting groove adapted to the activated carbon filter is provided inside the exhaust gas purification box.

3. The fully automatic exhaust gas purification system according to claim 2, characterized in that: The activated carbon filter is located above the air inlet, an ultrasonic generator is arranged on one side of the activated carbon filter, and the ultrasonic generator is fixedly installed on one end of the exhaust gas purification box.

4. The fully automatic exhaust gas purification system according to claim 3, characterized in that: The electrostatic precipitator module includes a positive plate and a negative plate. The positive plate is fixedly installed inside the exhaust gas purification box. An insulating connection block is fixedly installed at one end of the positive plate, and a negative plate is fixedly installed at one end of the insulating connection block.

5. The fully automatic exhaust gas purification system according to claim 4, characterized in that: The air outlet is arranged at the top of one end of the tail gas purification box, and one end of the air guide pipe is fixedly installed with the tail gas purification box.

6. A fully automatic exhaust gas purification system as claimed in claim 5, characterized in that: The pH sensor is located above the air outlet of the air duct, and the pH sensor is located below the electric spray head.

7. A fully automatic exhaust gas purification system as claimed in claim 6, characterized in that: The electric spray head is fixedly mounted on the top of one end of the detection purification box, one end of the electric spray head is fixedly mounted with a storage box through a delivery hose, and the storage box is fixedly mounted on the top of the detection purification box.

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