Oil mist-containing waste gas treatment device

Abstract

The utility model discloses a device for treating waste gas containing oil mist. The device comprises a hollow box body (1), two ends of the box body (1) are opened and are respectively and fixedly provided with a waste gas inlet (5) and a waste gas outlet (6); a filter medium (2) for filtering the oil mist-containing waste gas is fixedly arranged in the box body (1), and the filter medium (2) is arranged on an airflow path in the box body (1); spraying and cleaning equipment (4) for spraying liquid downwards is fixedly arranged above the filtering medium (2); and an equipment liquid discharge pore plate (8) for discharging the liquid is fixedly arranged at the bottom of the box body (1). Dried oil stains can be heated and softened through steam cleaning, the oil stains are effectively cleaned through sound wave vibration, blockage is reduced, the replacement frequency of a filtering medium can be reduced, residual water is quickly dried through compressed air after cleaning, the operation cost is reduced, and operation is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a waste gas treatment device, in particular to an oil mist containing waste gas treatment device. BACKGROUND

[0002] This part provides only background information related to the present disclosure, which is not necessarily prior art.

[0003] The characteristics of oil, smoke and other substances in oil mist containing waste gas limit the application of many commonly used waste gas treatment technologies. Oil-containing waste gas in chemical industry or textile printing and dyeing industry may contain various different organic compounds, and the complexity of these components increases the difficulty of treatment. Especially when the oil mist contains viscous substances, it is more difficult to effectively treat.

[0004] At present, oil mist containing waste gas is mostly treated by filtering means such as filter cotton, but high concentration of oil mist can easily cause rapid clogging of filter cotton, causing equipment failure and inability to use. Frequent replacement of filter cotton can also cause inconvenience of manual operation and increase of enterprise operation cost, and the industrial waste filter cotton removed is mostly hazardous waste, and the disposal cost is also high.

[0005] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present disclosure, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0006] The utility model solves the technical problem of the prior art, and provides an oil mist containing waste gas treatment device.

[0007] In order to solve the above technical problem, the utility model discloses an oil mist containing waste gas treatment device, comprising:

[0008] A hollow box; the two ends of the box are open, and a waste gas inlet and a waste gas outlet are respectively fixedly arranged; a filter medium for filtering the oil mist containing waste gas is fixedly arranged in the box, and the filter medium is arranged on the airflow path in the box; a spray cleaning device for spraying liquid downward is fixedly arranged above the filter medium; a device drain hole plate for discharging the liquid is fixedly arranged at the bottom of the box.

[0009] Further, the spray cleaning device comprises a plurality of downwardly arranged spray nozzles, which are uniformly distributed above the filter medium.

[0010] Further, the filter medium is arranged in a single-stage or multi-stage series mode, and is arranged as a baffle plate or a filter screen.

[0011] Further, a steam cleaning interface is arranged above the filter medium for spraying steam into the box.

[0012] Further, the side of the filter medium is provided with a sonic cleaning device.

[0013] Further, the sonic cleaning device is composed of a sonic generator and a diffusion cylinder, wherein the sonic generator emits sonic vibration, which is amplified by the diffusion cylinder and transmitted to the filter medium.

[0014] Further, the sonic cleaning device is arranged in parallel.

[0015] Further, the device is uniformly provided with drainage holes on the drainage hole plate.

[0016] The device is fluidly connected with a cleaning liquid drainage valve below the drainage hole plate, for draining the liquid at the bottom of the box.

[0017] Further, the box side wall is provided with a compressed air blowing interface near the exhaust gas inlet and the exhaust gas outlet, for spraying compressed air into the box.

[0018] Further, the exhaust gas outlet is fluidly connected with an induced draft fan, for draining the gas inside the box.

[0019] Beneficial effects:

[0020] 1. The device effectively combines the filter device, the sonic cleaning device and the spraying device, can efficiently filter oil mist, and the filter medium can be cleaned without disassembly, thereby reducing operation cost and being more convenient to operate.

[0021] 2. The device reduces replacement of the filter medium, can heat and soften dry oil stains through the steam cleaning interface without disassembly, effectively cleans the oil stains filtered down or attached to the surface of the filter medium through sonic vibration, reduces blockage and can reduce the replacement frequency of the filter medium, and the cleaning liquid sprayed by the upper spraying cleaning device can be cleaned more quickly under the action of the sonic vibration, thereby ensuring the filtering effect of oil mist exhaust gas.

[0022] 3. The device effectively combines the filter device, the sonic cleaning device and the spraying device, efficiently processes oil mist exhaust gas, greatly reduces replacement of the filter medium, reduces equipment operation cost, thereby reduces dangerous waste generated by replacement of filter materials in industrial enterprises, and the filter medium can be cleaned regularly without disassembly, is quickly and effectively cleaned under the joint action of the filter device, the sonic cleaning device and the steam cleaning, is more convenient to operate, and optimizes the filtering effect of oil mist exhaust gas. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and / or other aspects of the present utility model will become more apparent by describing in detail the preferred embodiments thereof with reference to the attached drawings, wherein:

[0024] Figure 1 It is the overall structure schematic diagram of the present utility model.

[0025] Figure 2 It is the local structure amplification schematic diagram of the sound wave cleaning equipment.

[0026] Figure 3 It is the side schematic diagram of the present utility model.

[0027] Figure 4 It is the bottom equipment drainage hole plate schematic diagram of the present utility model.

[0028] In the drawing: 1 is the box body;2 is the filter medium;3 is the sound wave cleaning equipment;31 is the sound wave generator;32 is the diffusion cylinder;4 is the spray cleaning equipment;5 is the waste gas inlet;6 is the waste gas outlet;7 is the induced fan;8 is the equipment drainage hole plate;81 is the drainage hole;9 is the cleaning liquid drainage valve;10 is the steam cleaning interface;11 is the compressed air purging interface. DETAILED DESCRIPTION

[0029] The general idea of the present utility model is as follows: by effectively combining the filter equipment and the sound wave cleaning equipment and the spray equipment, the oil mist can be efficiently filtered, the filter medium can be quickly cleaned without disassembly, the operation cost is reduced, and the operation is more convenient;The technical scheme adopted is as follows:

[0030] An oil mist-containing waste gas treatment device, comprising: a box body 1, a filter medium 2, a sound wave cleaning equipment 3, a spray cleaning equipment 4, a waste gas inlet 5, a waste gas outlet 6, an induced fan 7, an equipment drainage hole plate 8 and a cleaning liquid drainage valve 9.

[0031] Among them, the filter medium 2 in the equipment adopts multi-stage series flow filtration, and the medium is baffle or filter screen.

[0032] The filter medium 2 is provided with a steam cleaning interface 10 above, which can heat and soften the dried oil stains.

[0033] The filter medium 2 is provided with a sound wave cleaning equipment 3 on one side.

[0034] The sound wave cleaning equipment 3 is composed of a sound wave generator 31 and a diffusion cylinder 32, and multiple sound wave cleaning equipment 3 can be used in parallel. The sound wave generator 31 can be controlled by the signal of the automatic control system, responsible for generating a sound source with certain frequency and intensity, the sound source is amplified through the diffusion cylinder 32 and transmitted to the outer wall of one side of the filter medium 2.

[0035] The filter medium 2 is provided with a spray cleaning equipment 4 above.

[0036] The lower part of the box 1 is provided with a device liquid discharge hole plate 8 and a cleaning liquid discharge valve 9.

[0037] The spray cleaning device 4 has multiple spray nozzles, and when acting simultaneously, the cleaning liquid is uniformly distributed on the top of the filter medium 2 and is flushed from top to bottom, which effectively removes oil stains in cooperation with the acoustic cleaning device 3.

[0038] The compressed air blowing interface 11 is arranged near the waste gas inlet 5 and the waste gas outlet 6, respectively, so that the remaining water after cleaning can be quickly dried.

[0039] Embodiment:

[0040] In a specific embodiment, the oil mist waste gas treatment device provided by the utility model, as shown in Figure 1 The device box contains single-stage or multi-stage filter units, each filter unit can be a baffle or a filter screen, one side of each filter unit is provided with multiple acoustic cleaners, as shown in Figure 3 The upper part of each filter unit is provided with multiple cleaning spray nozzles, and the upper part of each filter unit is provided with a steam cleaning interface.

[0041] The steam cleaning in the oil mist waste gas treatment device can heat and soften the dried oil stains, the acoustic cleaning can effectively remove the oil stains filtered down or adhered to the surface of the filter medium through acoustic vibration, the replacement frequency of the filter medium is reduced, and the filter medium can be cleaned without disassembly; the waste liquid generated during cleaning is discharged through the liquid discharge port at the bottom of the device. The effective combination of the filter device, the acoustic cleaning device and the spray device reduces the operation cost and is more convenient to operate.

[0042] The filter medium 2 is filtered by a baffle or a wire mesh, the baffle or the wire mesh is made of stainless steel, and the baffle or the wire mesh is densely stacked and has a stacking thickness of 5-15 cm.

[0043] As shown in Figure 2As shown, a sonic cleaning device 3 is provided on one side of the filter equipment. The sonic cleaning device consists of a sonic generator 3-1 and a diffuser 3-2. Multiple sonic cleaning devices can be set up in parallel in an oil mist exhaust gas treatment device, with an interval of 30-80cm between each device. The diffuser 3-2 of the sonic cleaning device is fixed to the filter equipment 2 by bolts.

[0044] The structure of cleaning equipment 4 is as follows Figure 2 As shown, it consists of a sound wave generator 3-1 and a diffuser 3-2. The sound wave generator 3-1 can be controlled by a signal from an automatic control system and is responsible for generating a sound wave source of a certain frequency and intensity. The sound wave source is amplified by the diffuser 3-2 and transmitted to one side of the outer wall of the filter device 3.

[0045] like Figure 4 As shown, in the oil mist exhaust gas treatment device, there is a drain plate 8 at the bottom of the box. Drain holes 8-1 are evenly distributed on the plate with a diameter of 1 to 10 cm. The cleaning liquid is discharged through the cleaning liquid drain valve 9.

[0046] This utility model provides a concept and method for treating oil mist-containing waste gas. There are many methods and approaches to implement this technical solution. The above description is only a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. All components not explicitly stated in this embodiment can be implemented using existing technology.

Claims

1. A device for treating oil mist-containing waste gas, characterized in that, include: A hollow box (1); the box (1) has openings at both ends, and is respectively provided with an exhaust gas inlet (5) and an exhaust gas outlet (6); a filter medium (2) for filtering the oil mist exhaust gas is fixed inside the box (1), and the filter medium (2) is arranged in the airflow path inside the box (1); a spray cleaning device (4) for spraying liquid downwards is fixed above the filter medium (2); and a device drain plate (8) for discharging the liquid is fixed at the bottom of the box (1).

2. The oil mist exhaust gas treatment device according to claim 1, characterized in that, The spray cleaning device (4) includes multiple downward-facing spray nozzles that are evenly distributed above the filter medium (2).

3. The oil mist exhaust gas treatment device according to claim 1, characterized in that, The filter medium (2) is set in a single-stage or multi-stage series configuration, and is configured as a baffle or filter screen.

4. The oil mist exhaust gas treatment device according to claim 1, characterized in that, The filter medium (2) is provided with a steam cleaning port (10) for injecting steam into the housing (1).

5. The oil mist exhaust gas treatment device according to claim 1, characterized in that, The filter medium (2) is provided with an acoustic cleaning device (3) on its side.

6. The oil mist exhaust gas treatment device according to claim 5, characterized in that, The sonic cleaning device (3) consists of a sonic generator (31) and a diffuser (32), wherein the sonic vibration emitted by the sonic generator (31) is amplified by the diffuser (32) and transmitted to the filter medium (2).

7. The oil mist exhaust gas treatment device according to claim 6, characterized in that, The sonic cleaning device (3) is configured as multiple units connected in parallel.

8. The oil mist exhaust gas treatment device according to claim 1, characterized in that, The equipment has drainage holes (81) evenly distributed on the drainage plate (8); The device's drain plate (8) is fluidly connected to the cleaning fluid drain valve (9) below, for draining the liquid from the bottom of the tank (1).

9. The oil mist exhaust gas treatment device according to claim 1, characterized in that, A compressed air purging port (11) is provided on the side wall of the housing (1) near the exhaust gas inlet (5) and exhaust gas outlet (6) for injecting compressed air into the housing (1).

10. The oil mist exhaust gas treatment device according to claim 1, characterized in that, The exhaust outlet (6) is fluidly connected to the induced draft fan (7) for discharging the gas inside the housing (1).

Images