CN214415966U

CN214415966U - Oil coating and purifying system for asphalt waterproof coiled material

Info

Publication number: CN214415966U
Application number: CN202023163074.7U
Authority: CN
Inventors: 李辉
Original assignee: Hebei Lanxin Waterproof Building Materials Co ltd
Current assignee: Hebei Lanxin Waterproof Building Materials Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-19
Anticipated expiration: 2030-12-25

Abstract

The utility model relates to a technical field of waterproofing membrane production especially relates to an oil coating clean system of pitch waterproofing membrane, and it includes keeps apart the room, establishes the exhaust duct at isolation roof portion, establishes the spray condenser of the gas vent intercommunication of first fan, air inlet and exhaust duct on exhaust duct, air inlet and spray condenser's gas-liquid separator of gas vent intercommunication and the bag filter who communicates with gas-liquid separator. This application has the effect of improving pitch gas cleaning in waterproofing membrane production process and handling.

Description

Oil coating and purifying system for asphalt waterproof coiled material

Technical Field

The application relates to the technical field of waterproof coiled material production, in particular to an oil coating and purifying system for an asphalt waterproof coiled material.

Background

At present, the main generation points of asphalt smoke in the production process of modified asphalt waterproofing are an oil immersion tank, an oil coating tank and a stirring tank. Enterprises spend a large amount of funds and manpower every year, and environment-friendly treatment equipment is also added, but the purification treatment effect of the asphalt smoke can not meet the emission standard of the environment-friendly requirement all the time.

In view of the above-mentioned related art, the inventors consider that there is a defect that the asphalt flue gas cleaning treatment effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve waterproofing membrane production in-process pitch gas cleaning's effect, this application provides an asphalt waterproofing membrane's fat liquoring clean system.

The application provides a pair of pitch waterproofing membrane's fat liquoring clean system adopts following technical scheme:

the utility model provides an asphalt waterproofing membrane's fat liquoring clean system, includes the room of keeping apart, establishes the exhaust duct at the room top of keeping apart, establishes the first fan on exhaust duct, the spray condenser of air inlet and exhaust duct's gas vent intercommunication, the gas-liquid separator of air inlet and spray condenser's gas vent intercommunication and the bag filter of gas-liquid separator intercommunication.

Through adopting above-mentioned technical scheme, the pitch flue gas that produces when producing the waterproofing membrane fat liquoring is sealed by the isolation house makes in its is difficult for leaking the workshop, then rely on first fan negative pressure to breathe in, pitch flue gas and fresh air are taken out and are kept away, get into exhaust duct, then wash partial greasy dirt and particulate matter with pitch flue gas cooling by spraying condenser, still played the fire prevention effect when preventing pipe blockage, carry out the preliminary treatment to the pitch flue gas, interception and filtration particulate matter and oil, make the fine fog liquid drop of tar in the pitch flue gas collide each other, adsorb, deposit, the filtering operation of sack filter for the later stage provides an efficient operational environment. The filter cloth fiber in the cloth bag filter can further purify the asphalt smoke, so that the particulate indexes in the finally discharged gas are closer to the environmental protection requirement.

Optionally, an explosion-proof blower for blowing air into the isolation room is further arranged on the side face of the isolation room.

Through adopting above-mentioned technical scheme, the setting of explosion-proof air-blower enables in the waterproofing membrane workshop the gaseous of coiled material refrigerated in-process production and takes out to the isolator indoor, discharges in the atmosphere after whole clean system purification treatment again. And explosion-proof air-blower work back to the flue gas in addition malleation propelling movement, make the more abundant thorough quilt of asphalt flue gas in the isolation chamber take out from, make this application better to the purification treatment effect of asphalt flue gas.

Optionally, a gas collecting hood is arranged at the gas inlet end of the exhaust pipeline.

By adopting the technical scheme, the asphalt smoke generated by the oiling pool by the gas collecting hood is just exhausted under the combined action of negative pressure air exhaust of the gas collecting hood and the fan after being exhausted from the oiling pool, so that the asphalt smoke is prevented from being attached to the inner surface of the isolation room.

Optionally, the opening of the gas collecting channel is rectangular and gradually decreases in the upward direction.

Through adopting above-mentioned technical scheme, the opening shape of gas collecting channel reduces for rectangle and opening edge from last direction down gradually, enables the gas collecting channel more agrees with the upper end open-ended shape in fat liquoring pond like this, can also save the manufacturing cost who makes the gas collecting channel.

Optionally, the exhaust port of the gas-liquid separator is connected with a high-pressure purifier, and the exhaust port of the high-pressure purifier is communicated with the cloth bag filter.

By adopting the technical scheme, the high-pressure purifier mainly utilizes the electrostatic action to generate high-energy electron free radical active particles, activates, ionizes and cracks components such as oil and the like remained by a smoke dust machine in asphalt smoke, so that molecular chains of the components are broken and decomposed into small molecules, thereby achieving the purification purpose and ensuring that the purification effect of the application is better.

Optionally, the exhaust port of the cloth bag filter is connected with a photo-oxidation catalytic purifier.

By adopting the technical scheme, the photo-oxygen catalytic purifier can efficiently remove various volatile organic compounds, inorganic matters, hydrogen sulfide, ammonia gas, thiol main pollutants and various malodorous gases, and the odor removal efficiency can reach more than ninety-five percent to the maximum extent, so that the purification treatment effect of the device is better.

Optionally, an exhaust port of the photo-oxygen catalytic purifier is connected with a second fan.

Through adopting above-mentioned technical scheme, the setting up of second fan makes this application get the replenishment to the gas flow rate and the wind pressure after sack filter and light oxygen catalytic converter when handling the pitch flue gas, improves this application to the treatment effeciency of pitch flue gas.

Optionally, an exhaust port of the second fan is connected with an ozone neutralizing device.

Through adopting above-mentioned technical scheme, ozone neutralization apparatus utilizes high concentration ozone to discharge to the air again after decomposing the foul gas in the pitch waste gas, further improves the purification treatment effect of this application to the pitch flue gas.

In summary, the present application includes at least one of the following beneficial technical effects:

1. isolation room in this application makes in the pitch flue gas is difficult for leaking the workshop, and first fan negative pressure is breathed in and is taken out pitch flue gas and fresh air and separate, makes the pitch flue gas get into exhaust duct, then washes partial greasy dirt and particulate matter by spraying condenser with pitch flue gas cooling and get off to pitch flue gas and carry out the preliminary treatment, intercepts and filters particulate matter and oil, makes the tar mist liquid drop collision each other in the pitch flue gas, adsorbs, deposits. The filter cloth fiber in the cloth bag filter can further purify the asphalt flue gas, so that the particulate indexes in the finally discharged gas are closer to the environmental protection requirement;

2. the gas-collecting hood in the application enables the asphalt smoke generated by the oiling pool to be pumped away under the combined action of negative pressure air pumping of the gas-collecting hood and the fan immediately after being discharged from the oiling pool, so that the asphalt smoke is prevented from being attached to the inner surface of the isolation room;

3. the high-pressure purifier mainly utilizes the electrostatic action to generate high-energy electron free radical active particles, activates, ionizes and cracks components such as oil and the like remained by a smoke dust machine in asphalt smoke, so that molecular chains of the components are broken and decomposed into small molecules, thereby achieving the purpose of purification and ensuring that the purification effect of the high-pressure purifier is better.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic diagram for showing the structure of the gas collecting channel in the embodiment of the present application.

Description of reference numerals: 11. isolating the house; 111. an explosion-proof blower; 21. an exhaust duct; 211. a gas-collecting hood; 31. a first fan; 41. spraying a condenser; 51. a gas-liquid separator; 61. a cloth bag filter; 52. a high pressure purifier; 62. a photo-oxygen catalytic purifier; 63. a second fan; 64. ozone neutralization device.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses pitch waterproofing membrane's fat liquoring clean system. Referring to fig. 1, an oiling and purifying system for an asphalt waterproof roll comprises an isolation room 11, an exhaust pipeline 21, a first fan 31, a spray condenser 41, a gas-liquid separator 51 and a cloth bag filter 61. Wherein, the exhaust duct 21 is arranged at the top of the isolation room 11, the first fan 31 is arranged on the exhaust duct 21, the air inlet of the spray condenser 41 is communicated with the exhaust port of the exhaust duct 21, the air inlet of the gas-liquid separator 51 is communicated with the exhaust port of the spray condenser 41, and the cloth bag filter 61 is communicated with the exhaust port of the gas-liquid separator 51.

The isolation room 11 can be made of an aluminum alloy frame and a glass plate, a channel for the waterproof coiled material to pass through is reserved on two parallel surfaces of the isolation room 11, and meanwhile, fresh air can enter the isolation room 11 through the channel. In addition, the side of the isolation room 11 is also provided with an explosion-proof blower 111, and an exhaust port of the explosion-proof blower 111 and the isolation room 11 can be connected by a flange.

Referring to fig. 1 and 2, the exhaust duct 21 may be an aluminum alloy duct, and a gas collecting hood 211 is provided at the gas inlet end of the exhaust duct 21, and the gas collecting hood 211 is flange-connected to the gas inlet end face of the exhaust duct 21. The exhaust line 21 runs from the insulation house 11 up to an exhaust stack to the atmosphere. The opening of the gas collecting channel 211 is rectangular, and the size of the opening of the gas collecting channel 211 gradually decreases along the direction from bottom to top, so as to form a frustum-shaped gas collecting channel 211.

Referring to fig. 1, the first fan 31 may be a centrifugal fan with a power of 3kw, an air inlet end of the first fan 31 is connected to the exhaust duct 21 by a flange, an exhaust end of the first fan 31 is connected to the exhaust duct 21 by a flange, and under the negative pressure generated by the first fan 31, the asphalt flue gas in the isolation room 11 is sent to the spray condenser 41 through the gas collecting hood 211 and the exhaust duct.

The main effect of spray condenser 41 is the cooling flue gas, and spray condenser 41 adopts the mode of water spray mist to shift to spraying liquid with increase flue gas particle diameter and with part pollutant in the flue gas, can prevent the pipeline jam with pitch flue gas cooling like this, can also play the effect of fire prevention simultaneously. Typically, the spray condenser 41 has a cylindrical structure.

The gas-liquid separator 51 may employ a gravity separator, a cyclone separator, or a filter separator. The gas-liquid separator 51 pretreats the asphalt flue gas with a porous medium such as activated carbon, and collides, adsorbs and precipitates fine tar mist droplets in the asphalt flue gas, so that a high-efficiency operating environment can be provided for subsequent purification work of the asphalt flue gas.

Further, referring to fig. 1, the exhaust port of the gas-liquid separator 51 is flanged with the high-pressure cleaner 52, and the exhaust port of the high-pressure cleaner 52 is flanged with the bag filter 61. The high-voltage purifier 52 can adopt a wet constant-current high-voltage electrostatic waste gas purifier, the high-voltage purifier 52 generates high-energy electron free radical active particles by utilizing the high-voltage electrostatic action, and the high-energy electron free radical active particles can activate, ionize and crack smoke dust, residual oil and other components in the asphalt smoke gas, and finally decompose the smoke dust, the residual oil and other components into small molecules, thereby achieving the purpose of purification treatment.

The cloth bag filter 61 can adopt a cloth bag filter tower with an automatic back flushing system, 200 cloth bags woven by fibers are arranged in the cloth bag filter 61 in the embodiment of the application, the cloth bags are favorable for collecting fixed particles in the asphalt smoke, the length of each cloth bag is 6 meters, and the single filtering area is 450 square meters. After the asphalt flue gas passes through the cloth bag filter 61, the dust is blocked by the cloth bag, and the asphalt flue gas is also purified.

In addition, the exhaust end of the cloth bag filter 61 is also connected with a photo-oxidation catalytic purifier 62 in a flange mode, the photo-oxidation catalytic purifier 62 can adopt a UV photo-oxidation catalytic air purifier, the photo-oxidation catalytic purifier 62 generates ozone by utilizing high-energy high-ozone UV-C light beams to react with oxygen in the air, and then the ozone and malodorous compounds are subjected to oxidation reaction to generate low-molecular compounds such as water, oxygen and the like. In the embodiment of the present application, 120 150 w high-ozone ultraviolet straight lamps are used in the photo-oxidation catalytic purifier 62, and each lamp has a length of 1 m.

Furthermore, in order to prevent the insufficient negative pressure after the asphalt flue gas passes through the cloth bag filter 61 and the photo-oxidation catalytic purifier 62, the purification treatment efficiency of the whole system on the asphalt flue gas is affected. A second fan 63 is flange-connected to the exhaust port of the photo-oxygen catalytic converter 62, and the second fan 63 increases the negative pressure.

Further, an ozone neutralizing device 64 is flange-connected to an exhaust port of the second fan 63. Referring to fig. 1, the ozone neutralizing device 64 is made of a neutralizing tank filled with heat conducting oil, and the neutralizing tank is filled with heat conducting oil, heated to about 100 ℃, and then kept at a constant temperature, and ozone generated in the photo-oxidation catalytic converter 62 is rapidly decomposed and reduced into oxygen under the temperature condition.

The application embodiment an asphalt waterproofing membrane's fat liquoring clean system's implementation principle does:

after the power-on start-up device is powered on, firstly, under the action of air pressure generated by the explosion-proof blower 111 and the first fan 31, the air passes through the air collecting hood 211 and the exhaust pipeline 21 and then sequentially passes through the spray condenser 41, the gas-liquid separator 51, the high-pressure purifier 52, the cloth bag filter 61, the photo-oxidation catalytic purifier 62 and the ozone neutralizing device 64, and then the air can be completely treated to reach the emission standard.

When the air pressure of the asphalt flue gas after passing through the photo-oxidation catalytic purifier 62 is insufficient, the second fan 63 can be started, so that the treatment efficiency of the asphalt flue gas of the whole system is higher.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an asphalt waterproofing membrane's fat liquoring clean system which characterized in that: the air-water separation device comprises an isolation room (11), an exhaust pipeline (21) arranged at the top of the isolation room (11), a first fan (31) arranged on the exhaust pipeline (21), a spray condenser (41) with an air inlet communicated with an exhaust port of the exhaust pipeline (21), a gas-liquid separator (51) with an air inlet communicated with an exhaust port of the spray condenser (41), and a bag filter (61) communicated with the gas-liquid separator (51).

2. The oiling and purifying system for the asphalt waterproof coiled material according to claim 1, characterized in that: and an explosion-proof blower (111) for blowing air into the isolation room (11) is also arranged on the side surface of the isolation room (11).

3. The oiling and purifying system for the asphalt waterproof coiled material as claimed in claim 1 or 2, wherein: and a gas collecting hood (211) is arranged at the gas inlet end of the exhaust pipeline (21).

4. The oiling and purifying system for the asphalt waterproof coiled material according to claim 3, characterized in that: the opening of the gas collecting hood (211) is rectangular and gradually decreases from the upper direction.

5. The oiling and purifying system for the asphalt waterproof coiled material according to claim 1, characterized in that: the exhaust port of the gas-liquid separator (51) is connected with a high-pressure purifier (52), and the exhaust port of the high-pressure purifier (52) is communicated with a cloth bag filter (61).

6. The oiling and purifying system for the asphalt waterproof coiled material as claimed in claim 1 or 5, wherein: the exhaust port of the cloth bag filter (61) is connected with a photo-oxygen catalytic purifier (62).

7. The oiling and purifying system for the asphalt waterproof coiled material according to claim 6, characterized in that: and an exhaust port of the photo-oxygen catalytic purifier (62) is connected with a second fan (63).

8. The oiling and purifying system for the asphalt waterproof coiled material according to claim 7, characterized in that: an air outlet of the second fan (63) is connected with an ozone neutralizing device (64).