Waste gas treatment system for removing oil and organic matters

Abstract

The utility model discloses a waste gas treatment system for removing oil and organic matters, which relates to the technical field of waste gas treatment and comprises a bottom plate, an electrostatic oil removal device fixedly arranged on the bottom plate, a wire mesh demister fixedly arranged on the bottom plate, an activated carbon adsorption box fixedly arranged on the bottom plate and a fan fixedly arranged on the bottom plate. And connecting pipelines are fixedly arranged among the electrostatic oil removal equipment, the wire mesh demister, the activated carbon adsorption box and the fan respectively. According to the utility model, most oil mist is firstly removed by the electrostatic oil removal equipment, then dehumidified by the wire mesh demister and then enters the activated carbon adsorption box to remove most organic pollutants, and the purified waste gas is finally discharged up to the standard through the chimney. The activated carbon is not easy to block, the waste gas treatment effect is good, and the requirements of industrial production are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of waste gas treatment especially relates to a waste gas treatment system of oil and organic matter removal. BACKGROUND

[0002] Industrial production often generates a large amount of oily organic waste gas, oily organic waste gas refers to the waste gas containing oily substances and organic compounds generated in the industrial production process, the waste gas usually comes from mechanical processing, coating, printing, food processing and other industries. If the oily organic waste gas is directly discharged into the atmosphere, it will seriously pollute the environment, destroy the ecological balance, cause harm to human beings and vegetation, lead to vegetation death and body disease.

[0003] For high-concentration oily organic waste gas, if only activated carbon adsorption box is used for treatment, the removal efficiency of pollutants in waste gas is low, and the reason for low removal rate is that oil pollutants are adsorbed on the surface of activated carbon, block the adsorption channel, greatly reduce the specific surface area of activated carbon, and with the increase of adsorption time, the adsorption capacity of activated carbon is weakened. SUMMARY

[0004] The utility model discloses a waste gas treatment system of oil and organic matter removal which can solve the problems of low removal efficiency of pollutants in waste gas and slow weakening of activated carbon adsorption capacity in the prior art.

[0005] In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme:

[0006] A waste gas treatment system of oil and organic matter removal, comprising a bottom plate, a static oil removal equipment is fixedly arranged on the bottom plate, a wire mesh demister is fixedly arranged on the bottom plate, an activated carbon adsorption box is fixedly arranged on the bottom plate, a fan is fixedly arranged on the bottom plate, and a connecting pipeline is fixedly arranged between the static oil removal equipment, the wire mesh demister, the activated carbon adsorption box and the fan.

[0007] Preferably, one end of the static oil removal equipment is fixedly provided with a waste gas inlet pipe, and a manual valve is fixedly arranged on the waste gas inlet pipe. Preferably, one fireproof valve is fixedly arranged on the waste gas inlet pipe, and another fireproof valve is fixedly arranged on the connecting pipeline between the static oil removal equipment and the wire mesh demister.

[0008] Preferably, an electric heating cleaning water tank is fixedly arranged on the bottom plate, a cleaning water pump is fixedly arranged on the bottom plate, the electric heating cleaning water tank and the cleaning water pump are connected through a water pipe, and the cleaning water pump is connected with the static oil removal equipment through a water pipe.

[0009] Preferably, a maintenance door is fixed on one side of the wire mesh demister through bolts.

[0010] Preferably, the activated carbon adsorption box gas inlet side is fixedly provided with an inlet temperature transmitter, the activated carbon adsorption box gas outlet side is fixedly provided with an outlet temperature transmitter, the activated carbon adsorption box upper and lower ends are movably provided with two pairs of maintenance doors, and the activated carbon adsorption box side is fixedly provided with a mechanical pressure difference table.

[0011] Preferably, the bottom plate is fixedly provided with a chimney, the chimney is fixedly connected with the fan air outlet end and communicates with each other, and the bottom plate is fixedly provided with a cross-shaped frame located outside the chimney.

[0012] Preferably, the electrostatic oil removal equipment is fixedly provided with a guardrail at the upper end.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. In the utility model, most of the oil mist is removed by the electrostatic oil removal equipment, then dehumidified by the wire mesh demister, and then enters the activated carbon adsorption box to remove most of the organic pollutants, and finally the purified waste gas is discharged through the chimney, in the processing system, the waste gas is pretreated first, and then adsorbed by activated carbon, so that the activated carbon is not easy to be blocked, the treatment effect of the waste gas is good, and the needs of industrial production are met.

[0015] 2. The hot cleaning water tank is provided with a heating device outside, the hot cleaning water pump pumps the water in the hot cleaning water tank into the electrostatic oil removal equipment to clean the inside of the electrostatic oil removal equipment, the hot water can accelerate the cleaning speed of the oil stains, reduce the accumulation of the oil stains, prevent the oil stains from accumulating too much to cause a fire, and the regular cleaning can protect the equipment, prolong the service life of the equipment, improve the oil removal efficiency, even if a fire occurs, the fire valve is automatically closed to block the front end fire source, protect the rear waste gas treatment system, and the activated carbon adsorption box is internally provided with a fire-fighting spraying device, when the temperature in the box body is too high, the electromagnetic valve is opened, and the fire-fighting spraying water cools and extinguishes the box body, so that the safety of the device is higher. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application, and the schematic embodiments and the description thereof are used to explain the utility model and do not constitute improper limitation on the utility model. In the drawings:

[0017] Figure 1 It is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a structure schematic diagram of the electric heating cleaning water tank and the cleaning water pump of the utility model;

[0019] Figure 3 It is a position relationship schematic diagram of the activated carbon adsorption box and the maintenance door of the utility model;

[0020] Figure 4 For the utility model Figure 3 A place amplification schematic view in the middle;

[0021] Figure 5 For the utility model Figure 3 B place amplification schematic view in the middle.

[0022] In the figure, serial number: 1, bottom plate;11, static oil removal equipment;12, silk screen mist eliminator;13, activated carbon adsorption box;14, fan;15, connecting pipeline;2, waste gas inlet pipe;3, fire damper;31, manual valve;4, electric heating cleaning water tank;41, cleaning water pump;5, access door;6, inlet temperature transmitter;61, outlet temperature transmitter;62, maintenance door;63, mechanical differential pressure gauge;7, chimney;71, well frame;8, guardrail. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected;Can be mechanically connected, or electrically connected;Can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0025] Embodiment: the embodiment provides a kind of waste gas treatment system of oil removal and organic matter, refer to Figures 1-5 , specifically, including bottom plate 1, bottom plate 1 is fixedly provided with static oil removal equipment 11, bottom plate 1 is fixedly provided with silk screen mist eliminator 12, bottom plate 1 is fixedly provided with activated carbon adsorption box 13, bottom plate 1 is fixedly provided with fan 14, static oil removal equipment 11, silk screen mist eliminator 12, activated carbon adsorption box 13 and fan 14 are fixedly provided with connecting pipeline 15 between them, one end of static oil removal equipment 11 is fixedly provided with waste gas inlet pipe 2, one end of static oil removal equipment 11 is fixedly provided with waste gas inlet pipe 2, waste gas inlet pipe 2 is fixedly provided with manual valve 31;

[0026] The waste gas enters the electrostatic oil removal device 11 from the waste gas inlet pipe 2, and the electrostatic oil removal device 11 uses the electrons emitted by the cathode in the high-voltage electric field and the negative ions generated by the collision of the electrons with air molecules to capture the oil smoke and oil mist particles. After the particles are charged, the charged particles are adsorbed by the anode in the electrostatic field. Various particulate pollutants can be purified, and part of the organic waste gas can be decomposed while removing the oil smoke, thereby reducing the concentration of the organic waste gas.

[0027] A fireproof valve 3 is fixedly arranged on the waste gas inlet pipe 2, another fireproof valve 3 is fixedly arranged on the connecting pipe 15 between the electrostatic oil removal device 11 and the wire mesh demister 12, an electric heating cleaning water tank 4 is fixedly arranged on the bottom plate 1, a cleaning water pump 41 is fixedly arranged on the bottom plate 1, the electric heating cleaning water tank 4 and the cleaning water pump 41 are connected through a water pipe, and the cleaning water pump 41 is connected with the electrostatic oil removal device 11 through a water pipe.

[0028] The electric heating cleaning water tank 4 is externally provided with a heating device. The cleaning water pump 41 pumps the water in the electric heating cleaning water tank 4 into the electrostatic oil removal device 11 to clean the inside of the electrostatic oil removal device 11. The hot water can accelerate the cleaning speed of the oil stains, reduce the accumulation of the oil stains, prevent the oil stains from accumulating too much to cause a fire, and protect the equipment by regular cleaning, thereby prolonging the service life of the equipment and improving the oil removal efficiency. Even if a fire occurs, the fireproof valve 3 is automatically closed to block the front end of the fire source and protect the rear waste gas treatment system.

[0029] The wire mesh demister 12 is fixedly provided with an inspection door 5 on one side through bolts.

[0030] The waste gas treated by the electrostatic oil removal device 11 enters the wire mesh demister 12, and the fine liquid droplets in the gas phase are intercepted and coagulated into large droplets during the wire mesh process, and then flow downward along the wire mesh to the bottom of the demister under the action of gravity, and the waste liquid is discharged from the liquid discharge pipe, so that the separation of the liquid droplets and the gas is realized. The inspection door 5 is used to open and close the wire mesh demister 12, and the internal wire mesh can be inspected and disassembled and replaced.

[0031] An inlet temperature transmitter 6 is fixedly arranged on one side of the inlet of the activated carbon adsorption tank 13, an outlet temperature transmitter 61 is fixedly arranged on one side of the outlet of the activated carbon adsorption tank 13, two pairs of maintenance doors 62 are movably arranged on the upper and lower ends of the activated carbon adsorption tank 13, and a mechanical differential pressure gauge 63 is fixedly arranged on one side of the activated carbon adsorption tank 13.

[0032] The waste gas treated by the wire mesh demister 12 enters the activated carbon adsorption box 13, and the activated carbon is used to adsorb the organic pollutants in the waste gas due to the large specific surface area and strong adsorption capacity of the activated carbon, so that most of the organic pollutants are removed.

[0033] The chimney 7 is fixed on the bottom plate 1 and is fixedly connected with the air outlet end of the fan 14 and communicates with each other.

[0034] The fan 14 is the power equipment of the system and is responsible for transmitting waste gas.

[0035] The guardrail 8 is fixed on the upper end of the electrostatic oil removal equipment 11.

[0036] The guardrail 8 is convenient for daily maintenance of the electrostatic oil removal equipment 11.

[0037] Specifically, the working principle and operation method of the utility model are as follows:

[0038] The waste gas enters the electrostatic oil removal equipment 11 from the waste gas inlet pipe 2, and the electrostatic oil removal equipment 11 uses the electrons emitted by the cathode in the high-voltage electric field and the negative ions generated by the collision of the electrons with air molecules to capture oil smoke and oil mist particles.

[0039] The waste gas treated by the electrostatic oil removal equipment 11 enters the wire mesh demister 12, and the fine liquid droplets in the gas phase are intercepted and coagulated into large droplets during the wire mesh process.

[0040] The waste gas treated by the wire mesh demister 12 enters the activated carbon adsorption box 13, and the activated carbon is used to adsorb the organic pollutants in the waste gas due to the large specific surface area and strong adsorption capacity of the activated carbon, so that most of the organic pollutants are removed.

[0041] The fan 14 is a power equipment of the system, and is responsible for transmitting the waste gas.

[0042] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, and all of them should be covered in the protection scope of the present application.

Claims

1. An oil and organic removal exhaust gas treatment system comprising a floor (1), characterised in that: The bottom plate (1) is fixedly provided with an electrostatic oil removal device (11), the bottom plate (1) is fixedly provided with a wire mesh demister (12), the bottom plate (1) is fixedly provided with an activated carbon adsorption box (13), the bottom plate (1) is fixedly provided with a fan (14), and the electrostatic oil removal device (11), the wire mesh demister (12), the activated carbon adsorption box (13) and the fan (14) are fixedly provided with a connecting pipeline (15) respectively; One end of the electrostatic oil removal device (11) is fixedly provided with a waste gas inlet pipe (2), and the waste gas inlet pipe (2) is fixedly provided with a manual valve (31); The waste gas inlet pipe (2) is fixedly provided with a fireproof valve (3), and another fireproof valve (3) is fixedly arranged on the connecting pipeline (15) between the electrostatic oil removal device (11) and the wire mesh demister (12). The bottom plate (1) is fixedly provided with an electric heating cleaning water tank (4), and the bottom plate (1) is fixedly provided with a cleaning water pump (41); the electric heating cleaning water tank (4) and the cleaning water pump (41) are connected through a water pipe; and the cleaning water pump (41) is connected with the electrostatic oil removal device (11) through a water pipe.

2. The oil and organic removal system for exhaust gas according to claim 1, wherein: The wire mesh demister (12) is fixedly provided with an access door (5) on one side through bolts.

3. The oil and organic removal system for exhaust gas according to claim 1, wherein: An inlet temperature transmitter (6) is fixedly arranged on one side of the inlet of the activated carbon adsorption box (13), an outlet temperature transmitter (61) is fixedly arranged on one side of the outlet of the activated carbon adsorption box (13), two pairs of maintenance doors (62) are movably arranged on the upper end and the lower end of the activated carbon adsorption box (13), and a mechanical differential pressure gauge (63) is fixedly arranged on one side of the activated carbon adsorption box (13).

4. The oil and organic removal exhaust gas treatment system of claim 1, wherein: The bottom plate (1) is fixedly provided with a chimney (7), the chimney (7) is fixedly connected with the outlet end of the fan (14) and communicates with each other, the bottom plate (1) is fixedly provided with a cross-shaped frame (71), and the cross-shaped frame (71) is located outside the chimney (7).

5. The oil and organic removal exhaust gas treatment system of claim 1, wherein: The electrostatic oil removal device (11) is fixedly provided with a guardrail (8) on the upper end.

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