CN217856706U

CN217856706U - Asphalt flue gas purification system

Info

Publication number: CN217856706U
Application number: CN202221357155.7U
Authority: CN
Inventors: 孔维辉
Original assignee: Suzhou Zhiwei Environment Technology Co ltd
Current assignee: Suzhou Zhiwei Environment Technology Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-11-22
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses a pitch gas cleaning system relates to the gas cleaning equipment field, which comprises a frame, frame right side fixed mounting has the suction hood, the suction hood upper end is connected with the air inlet, the frame is from the right side to left side and installs static capture chamber, atomizing spray room and filter chamber in proper order, suction hood, static capture chamber, atomizing spray room and filter chamber switch on each other, the inside lower extreme of frame corresponds position department with static capture chamber and atomizing spray room and all installs the waste liquid collecting vat, there is the dehydrator filter chamber left side through outlet duct fixed mounting, the inside rotation of dehydrator is provided with the dehumidification filter core. The utility model has the advantages that: aiming at the characteristics of very low content of volatile organic compounds, higher oil content and larger water content in the asphalt flue gas, the asphalt flue gas is purified by adopting the modes of electrostatic capture and wire mesh filtration, so that the asphalt flue gas is effectively purified, the purification efficiency is high, the operation cost is low, and no secondary pollution is caused.

Description

Asphalt flue gas purification system

Technical Field

The utility model relates to a gas cleaning equipment field specifically is a pitch gas cleaning system.

Background

At present, for various gaseous organic pollutants, the adopted treatment methods are various, and the common methods mainly comprise: absorption, adsorption, catalytic combustion, thermal combustion, condensation, washing, and the like.

The methods have characteristics and advantages and disadvantages in application, and need to be balanced according to pollution degree, use environment and conditions. Such as; the waste gas with high boiling point, high concentration and complex components is preferably combusted by adopting RTO equipment, the waste gas with low boiling point, low concentration and simple components is preferably subjected to adsorption concentration and catalytic decomposition, and the dust waste gas is filtered by adopting a washing method or a dust remover.

The content of volatile organic compounds in the asphalt flue gas is very low, the oil content is high, the water content is high, the waste gas content is high, a large amount of waste activated carbon and waste water are generated when the asphalt flue gas is treated by the traditional method, the purification cost is high, and a large amount of resources are wasted.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the technical scheme provides an asphalt flue gas purification system, and solves the problems that the content of volatile organic compounds in asphalt flue gas is very low, the oil content is high, the water content is high, the waste gas amount is large, a large amount of waste activated carbon and waste water are generated when the asphalt flue gas is treated by a traditional method, the purification cost is high, and a large amount of resources are wasted.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a pitch gas cleaning system, includes the frame, frame right side fixed mounting has the cover that admits air, it is connected with the air inlet to admit air the cover upper end, the frame is from the right side to left side and is installed static capture room, atomizing spray room and filter chamber in proper order, it has the waste liquid collecting vat to admit air cover, static capture room, atomizing spray room and filter chamber to switch on each other to admit air, the inside lower extreme of frame is caught the room with static and is corresponded position department with atomizing spray room and all installs the waste liquid collecting vat, outlet duct fixed mounting has the dehydrator in the filter chamber left side, the inside rotation of dehydrator is provided with the dehumidification filter core, the inside dehydration portion and the dry portion of lower part that fall into on upper portion of dehydrator, outlet duct and dehydration portion intercommunication, dehydration portion left side fixedly connected with exhaust joint, dry portion left side fixedly connected with dry joint, dry joint is connected with outside drying fan.

Preferably, the lower end of the dehydrator is fixedly provided with a driving motor, and the driving motor is used for driving the dehumidifying filter element to rotate.

Preferably, the upper end of the waste liquid collecting tank is connected with a communicating pipe, and the waste liquid collecting tank is communicated with the electrostatic capturing chamber and the atomization spraying chamber through the communicating pipe.

Preferably, a negative electrode plate is attached to an upper end of an inside of the electrostatic trapping chamber, and a positive electrode plate is attached to a lower end of the inside of the electrostatic trapping chamber, the positive electrode plate being inclined in a direction of the communication pipe.

Preferably, a plurality of humidification atomizers are installed on atomizing spray room right side, a plurality of washing atomizers are installed on atomizing spray room right side, wash the atomizer towards the filter chamber.

Preferably, the filter chamber is internally provided with a wire mesh filter element, the bottom of the filter chamber is fixedly provided with a guide plate, and the guide plate is obliquely arranged towards the atomizing spray chamber.

Preferably, the wire mesh filter element is formed by stacking and pressing irregular stainless steel wires.

Preferably, a drain valve is installed on one side of the waste liquid collecting tank.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses content to volatile organic compounds is very low in the pitch flue gas, the oil content is higher, the great characteristics of moisture content, adopt static to catch, the filterable mode of wire mesh carries out pitch gas cleaning, utilize high-tension static to produce the free ion electric field between purpose-built electrode, the negative pole production negative ion is in the anodal in-process in the trip with the profit in the flue gas take positive pole surface to, receive gravity influence when the profit quantity of positive pole surface adhesion reaches a certain amount to flow in naturally and set up in the waste liquid collecting vat, reach the oil smoke and purify with this, wire mesh filters the filter core simultaneously and has very big area of contact, the gas that contains the profit is at the surface contact of the filter core of making with the stainless steel wire when the filter chamber, at this moment a certain amount of profit can the adhesion on stainless steel wire surface. When the adhesion reaches a timing at the profit volume on stainless steel wire surface, receive the influence of gravity to fall into and set up the waste liquid collecting vat in, the effectual getting rid of profit in having guaranteed the pitch flue gas has realized high-efficient purification, adopts the rotation formula dehydrator to absorb the aqueous vapor in the waste gas simultaneously, avoids the condition of flue gas bailong to take place.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic diagram of the internal structure of the present invention.

The reference numbers in the figures are:

1. a frame; 2. an air intake hood; 201. an air inlet; 3. an electrostatic trapping chamber; 301. a negative electrode plate; 302. a positive electrode plate; 4. an atomizing spray chamber; 401. a humidifying atomizer; 402. cleaning the atomizer; 5. a filtering chamber; 501. a wire mesh filter element; 502. a baffle; 6. an air outlet pipe; 7. a dehydrator; 701. a dehumidifying filter element; 702. an exhaust joint; 703. drying the joint; 704. a drive motor; 8. a waste liquid collecting tank; 801. a communicating pipe; 802. and a drain valve.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-2, an asphalt flue gas purification system, including frame 1, frame 1 right side fixed mounting has inlet hood 2, inlet hood 2 upper end is connected with air inlet 201, frame 1 installs static capture chamber 3 from right side to left side in proper order, atomizing spray chamber 4 and filter chamber 5, inlet hood 2, static capture chamber 3, atomizing spray chamber 4 and filter chamber 5 switch on each other, waste liquid collecting vat 8 is all installed with static capture chamber 3 and atomizing spray chamber 4 corresponding position department to the inside lower extreme of frame 1, filter chamber 5 left side is through outlet duct 6 fixed mounting has dehydrator 7, to the characteristics that volatile organic matter content is very low in the asphalt flue gas, oil content is higher, moisture content is great, adopt static to catch, the mode of wire mesh filtration carries out asphalt flue gas purification.

The inside dehumidification filter core 701 that is provided with that rotates of dehydrator 7, the inside dehydration portion that falls into upper portion and the dry portion of lower part of dehydrator 7, outlet duct 6 and dehydration portion intercommunication, dehydration portion left side fixedly connected with exhaust joint 702, dry portion left side fixedly connected with dry joint 703, dry joint 703 is connected with outside drying fan, 7 lower extreme fixed mounting of dehydrator has driving motor 704, driving motor 704 is used for driving dehumidification filter core 701 and rotates, dehydrator 7 is arranged in getting rid of the moisture in the waste gas after handling, reduce the aqueous vapor content in the waste gas, avoid appearing the condition emergence of the white dragon of flue gas, when carrying out work, the waste gas that contains a large amount of aqueous vapors gets into the dehydration portion, after the dehumidification is absorbed to the dehumidification via dehumidification filter core 701, discharge through exhaust joint 702, the filter core dehumidification 701 position that later absorbs the aqueous vapor shifts to the dry portion, after carrying out drying process to it through external drying fan, shift to the dehydration portion again and carry out the dewatering circulation.

Waste liquid collecting tank 8 upper end is connected with communicating pipe 801, and a plurality of waste liquid collecting tanks 8 are respectively through communicating pipe 801 and electrostatic capture room 3 and atomizing shower room 4 intercommunication, and flowing back valve 802 is installed to waste liquid collecting tank 8 one side, and the waste liquid in the flue gas treatment process is collected in discharging into waste liquid collecting tank 8 through communicating pipe 801, when collecting a quantitative, discharges through flowing back valve 802.

The upper end inside the electrostatic capturing chamber 3 is provided with a negative electrode plate 301, the lower end inside the electrostatic capturing chamber 3 is provided with a positive electrode plate 302, the positive electrode plate 302 is arranged in a direction inclined towards the communicating pipe 801, high-voltage static electricity is utilized to generate a free ion electric field between the specially-made electrodes, negative ions generated by the negative electrode plate 301 carry oil and water in smoke to the surface of the positive electrode plate 302 in the process of moving towards the positive electrode plate 302, and the oil and water adhered to the surface of the positive electrode plate 302 naturally flows into the lower waste liquid collecting tank 8 under the influence of gravity when the amount of the oil and water reaches a certain amount.

A plurality of humidification atomizers 401 are installed to 4 right sides in atomizing spray room, and a plurality of washing atomizers 402 are installed on 4 right sides in atomizing spray room, and washing atomizer 402 is towards filter chamber 5, and humidification atomizer 401 is used for regularly cooling and to the humidification of follow-up filter block usefulness, and washing atomizer 402 is used for carrying out the washing of silk screen filter 501, and humidification atomizer 401's working flow does: 0.028 kg/hr/4 kg, the working flow rate for cleaning the atomizer 402 is: 5.62kg/10 min/4 kg.

Inside wire mesh filter 501 that is provided with of filter chamber 5, the inside bottom fixed mounting of filter chamber 5 has guide plate 502, guide plate 502 sets up towards 4 slopes of atomizing shower room, wire mesh filter 501 is formed by the suppression of anomalous stainless steel net stack, wire mesh filter 501 has very big area of contact, the surface contact of wire mesh filter 501 who makes with the stainless steel wire when the gas that contains profit when passing through filter chamber 5, at this moment a certain amount of profit can the adhesion on the stainless steel wire surface, when the adhesion reaches a timing at the profit volume on stainless steel wire surface, fall into under the influence of gravity and establish in the waste liquid collecting vat 8.

The utility model discloses a theory of operation does: flue gas enters the electrostatic capturing chamber 3 from the air inlet hood 2, a free ion electric field is generated between special electrodes by high-voltage static electricity to bring oil and water in the flue gas to the surface of the positive electrode plate 302, the oil and water adhered to the surface of the positive electrode plate 302 naturally flows into the lower waste liquid collecting tank 8 under the influence of gravity when the quantity of the oil and water reaches a certain quantity, then the flue gas enters the atomizing spray chamber 4, the flue gas is subjected to humidifying spraying by the humidifying atomizer 401, then the flue gas containing a large quantity of water and water enters, the filtering chamber 5 is in contact with the surface of the wire mesh filter element 501 made of stainless steel wires, an oil and water mixture can be adhered to the surface of the stainless steel wires, when the quantity of the oil and water adhered to the surface of the stainless steel wires reaches a certain quantity, the flue gas falls into the lower waste liquid collecting tank 8 under the influence of gravity, and then the flue gas enters the water removing part of the water remover 7 to remove water.

To sum up, the utility model has the advantages that: aiming at the characteristics of very low content of volatile organic compounds, higher oil content and larger water content in the asphalt flue gas, the asphalt flue gas is purified by adopting the modes of electrostatic capture and wire mesh filtration, so that the asphalt flue gas is effectively purified, the purification efficiency is high, the operation cost is low, and no secondary pollution is caused.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an asphalt flue gas purification system, a serial communication port, includes frame (1), frame (1) right side fixed mounting has air inlet cover (2), air inlet cover (2) upper end is connected with air inlet (201), frame (1) is installed static capture room (3), atomizing spray room (4) and filter chamber (5) from the right side to a left side in proper order, air inlet cover (2), static capture room (3), atomizing spray room (4) and filter chamber (5) switch on each other, frame (1) inside lower extreme and static capture room (3) and atomizing spray room (4) correspond position department and all install waste liquid collecting vat (8), outlet duct (5) left side has dehydrator (7) through outlet duct (6) fixed mounting, dehydrator (7) inside rotation is provided with dehumidification filter core (701), dehydrator (7) inside dehydration portion and the drying portion of lower part that falls into upper portion, outlet duct (6) and dehydration portion intercommunication, dehydration portion left side fixedly connected with exhaust fitting (702), drying portion left side fixedly connected with dry joint (703), dry joint (703) and the outside drying fan is connected.

2. The asphalt flue gas purification system according to claim 1, wherein a driving motor (704) is fixedly installed at the lower end of the dehydrator (7), and the driving motor (704) is used for driving the dehumidifying filter element (701) to rotate.

3. The asphalt flue gas purification system according to claim 1, wherein a communication pipe (801) is connected to an upper end of the waste liquid collection tank (8), and the plurality of waste liquid collection tanks (8) are respectively communicated with the electrostatic capture chamber (3) and the atomization spray chamber (4) through the communication pipe (801).

4. An asphalt flue gas purification system according to claim 3, wherein a negative electrode plate (301) is installed at the upper end inside the electrostatic capture chamber (3), a positive electrode plate (302) is installed at the lower end inside the electrostatic capture chamber (3), and the positive electrode plate (302) is arranged in an inclined manner towards the direction of the communicating pipe (801).

5. An asphalt flue gas purification system according to claim 3, wherein a plurality of humidifying atomizers (401) are installed on the right side of the atomizing spray chamber (4), a plurality of cleaning atomizers (402) are installed on the right side of the atomizing spray chamber (4), and the cleaning atomizers (402) face the filter chamber (5).

6. An asphalt flue gas purification system according to claim 4, wherein a wire mesh filter element (501) is arranged inside the filtering chamber (5), a guide plate (502) is fixedly installed at the bottom inside the filtering chamber (5), and the guide plate (502) is obliquely arranged towards the atomizing spray chamber (4).

7. The asphalt flue gas purification system according to claim 6, wherein the wire mesh filter element (501) is formed by stacking and pressing irregular stainless steel wires.

8. An asphalt flue gas purification system according to claim 5, wherein a drain valve (802) is installed at one side of the waste liquid collecting tank (8).