CN215138517U - Oil pipe washs line flue gas collection and treatment equipment - Google Patents
Oil pipe washs line flue gas collection and treatment equipment Download PDFInfo
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- CN215138517U CN215138517U CN202121319786.5U CN202121319786U CN215138517U CN 215138517 U CN215138517 U CN 215138517U CN 202121319786 U CN202121319786 U CN 202121319786U CN 215138517 U CN215138517 U CN 215138517U
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Abstract
The utility model discloses an oil pipe cleaning line flue gas collecting and processing equipment. The flue gas collecting and processing equipment comprises: the device comprises a collecting cover, a collecting pipeline, an outdoor waste gas purifying device, a centrifugal fan and a chimney which are connected in sequence; the collecting cover comprises a heating furnace waste gas source emission point collecting cover arranged on the upper side of the heating furnace and a production pipeline waste gas source emission point collecting cover arranged on the upper side of the production pipeline; the collecting pipelines comprise branch collecting pipelines arranged on the upper sides of the collecting covers and main collecting pipelines connected with the branch collecting pipelines and communicated with the inside and the outside of the room; the outdoor waste gas purification device comprises a dry oil mist filter device, a VOCs purification device and an active carbon adsorption device which are connected in sequence. The smoke collecting and processing equipment can effectively purify oil mist, oil smoke and waste gas generated by an oil pipe cleaning line.
Description
Technical Field
The utility model belongs to the technical field of the treatment facility is collected to the flue gas, especially, relate to an oil pipe washs line flue gas collection treatment facility.
Background
An oil pipe cleaning line is built in a plastic processing workshop, the existing oil pipe cleaning process is that an oil pipe is dragged on a transmission line and passes through an electric induction heater at a certain speed, and the temperature of the inner surface and the outer surface of the oil pipe rapidly reaches 300-500 ℃ under the action of the heater, so that oil stains and wax are instantly melted. The melt on the outer wall flows into the oil collecting tank, and some of the melt on the inner wall flows out of the tank body and some of the melt remains on the inner wall of the oil pipe. And then, the steel wire wheel rotating at a high speed peels off dirt outside the oil pipe, and the high-pressure water flow cleans the inner wall of the oil pipe.
However, the following problems exist in the oil pipe cleaning process: when the oil pipe passes through the heating area, a large amount of oil mist oil smoke waste gas is generated after the oil pipe is heated due to oil stains attached to the oil pipe. The field monitoring result shows that the flue gas concentration of the heating area is 3.54mg/m3. According to GBZ 2.1.1-2007 Standard "workplace hazardous factors occupational contact Limit part 1 chemical hazardous factors", the regional Paraffin Smoke time weighted average permissible concentration (PC-TWA) is 2mg/m3). It can be seen that the flue gas concentration in the heating zone is much higher than the allowable concentration specified by the standard. Oil mist oil smoke waste gas is emitted in a working area, and smoke is diffused in a working place to form potential safety hazards; meanwhile, oil mist is deposited on the wall surface and equipment, potential fire hazard exists, and the potential fire hazard becomes the cause of faults in the machine tool and an electrical system; in addition, the oil mist and oil smoke exhaust gas generated in the production process is irregularly discharged, and if the odor and the exhaust gas do not existAfter purification treatment, the air will diffuse in the air, causing pollution to the indoor and outdoor environment and the surrounding environment, and causing bad influence to the working personnel, the surrounding environment and the enterprise image. Therefore, it is necessary to design a flue gas collecting and treating device for an oil pipe cleaning line.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: produce a large amount of oil mist oil smoke waste gas and bring potential safety hazard and environmental pollution's problem to the oil pipe cleaning line that exists among the prior art, the utility model provides an oil pipe cleaning line flue gas collection treatment facility.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a flue gas collecting and treating device for an oil pipe cleaning line. The flue gas collecting and processing equipment comprises: the device comprises a collecting cover, a collecting pipeline, an outdoor waste gas purifying device, a centrifugal fan and a chimney which are connected in sequence; the collecting cover comprises a heating furnace waste gas source emission point collecting cover arranged on the upper side of the heating furnace and a production pipeline waste gas source emission point collecting cover arranged on the upper side of the production pipeline; the collecting pipelines comprise branch collecting pipelines arranged on the upper sides of the collecting covers and main collecting pipelines connected with the branch collecting pipelines and communicated with the inside and the outside of the room; outdoor exhaust gas purification device is including the dry-type oil mist filter equipment, VOCs purifier and the active carbon adsorption device that connect gradually, set gradually first filter screen, ultraviolet catalysis district, ozone oxidation district, the second filter screen, the ozone catalytic decomposition district that flow equalizes according to the waste gas flow direction in the VOCs purifier, the ultraviolet catalysis district is provided with the ultraviolet fluorescent tube that the annular was arranged and is located photocatalyst plate in the ultraviolet fluorescent tube annular ring.
Further, the heating furnace waste gas source point collecting cover is 25-30cm larger than the periphery of the heating furnace.
Furthermore, the production pipeline waste gas source starting point collecting cover is in a long strip shape, a plurality of umbrella-shaped bulges are arranged at intervals, and the upper sides of the umbrella-shaped bulges are connected with the branch collecting pipelines.
Further, the height of the chimney from the ground is 15-16 m.
Further, the centrifugal fan is also arranged between the main collecting pipeline and the outdoor waste gas purification device.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the flue gas collecting and processing equipment comprises a heating furnace waste gas source starting point collecting cover arranged on the upper side of the heating furnace and a production pipeline waste gas source starting point collecting cover arranged on the upper side of the production pipeline, and can effectively collect waste gas generated on the heating furnace and the production pipeline and prevent the waste gas from dissipating in a working area to influence the work;
(2) the smoke collecting and processing equipment comprises an outdoor waste gas purification device, wherein the outdoor waste gas purification device also comprises a dry oil mist filtering device, a VOCs purification device and an active carbon adsorption device which are sequentially connected, the arrangement sequence of the dry oil mist filtering device, the VOCs purification device and the active carbon adsorption device is reasonable, liquid oil mist contained in waste gas is removed firstly, then VOCs gas is removed through catalytic oxidation, and finally triphen organic pollutants are adsorbed by using the active carbon, so that the purification efficiency is high, and the discharged gas reaches the standard;
(3) the VOCs purification device is internally provided with a first flow equalizing filter screen, an ultraviolet catalytic zone, an ozone oxidation zone, a second flow equalizing filter screen and an ozone catalytic decomposition zone in sequence according to the flow direction of waste gas, wherein the ultraviolet catalytic zone is provided with ultraviolet lamp tubes arranged in an annular shape and a photocatalyst plate positioned in an annular ring of the ultraviolet lamp tubes; the first flow equalizing filter screen is used for filtering part of dust to prevent a photocatalyst plate behind the first flow equalizing filter screen from being blocked, the ultraviolet catalytic region and the ozone oxidation region act together to completely decompose VOCs, the second flow equalizing filter screen can filter solid particles generated after the VOCs are decomposed to avoid blocking a subsequent activated carbon adsorption device, and the ozone catalytic decomposition region is used for absorbing redundant ozone;
(4) the ultraviolet catalytic zone in the VOCs purification device is provided with the ultraviolet lamp tubes arranged in an annular mode and the photocatalyst plates located in the ultraviolet lamp tube annular rings, the ultraviolet catalytic zone with the structure increases the contact area between waste gas and the photocatalyst plates, and the degradation efficiency is high.
Drawings
FIG. 1 is a schematic structural view of the flue gas collecting and treating device of the oil pipe cleaning line of the present invention;
fig. 2 is the utility model discloses a VOCs purifier of oil pipe cleaning line flue gas collection treatment facility's schematic structure diagram.
Description of the reference numerals
1: a centrifugal fan; 2: a chimney; 3: a heating furnace waste gas source point collecting cover; 4: a production pipeline waste gas source point collecting cover; 41: an umbrella-shaped bulge; 5: a branch collecting pipe; 6: a main collection pipe; 7: a dry oil mist filter device; 8: a VOCs purification device; 81: a first flow equalizing filter screen; 82: an ultraviolet catalytic zone; 821: an ultraviolet lamp tube; 822: a photocatalyst plate; 83: an ozone oxidation zone; 84: a second flow equalizing filter screen; 85: an ozone catalytic decomposition zone; 9: an activated carbon adsorption device.
Detailed Description
Various exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, methods, means, elements well known to those skilled in the art have not been described in detail so as not to obscure the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
FIG. 1 is a schematic structural view of the flue gas collecting and treating device of the oil pipe cleaning line of the present invention; fig. 2 is the utility model discloses a VOCs purifier of oil pipe cleaning line flue gas collection treatment facility's schematic structure diagram. As shown in fig. 1 and 2, the flue gas collection and treatment equipment includes: the device comprises a collecting cover, a collecting pipeline, an outdoor waste gas purifying device, a centrifugal fan 1 and a chimney 2 which are connected in sequence; the collecting cover comprises a heating furnace waste gas originating point collecting cover 3 arranged on the upper side of the heating furnace and a production pipeline waste gas originating point collecting cover 4 arranged on the upper side of the production pipeline; the collecting pipelines comprise branch collecting pipelines 5 arranged at the upper sides of the collecting covers and main collecting pipelines 6 which are connected with the branch collecting pipelines 5 and communicated with the inside and the outside of the room; the outdoor waste gas purification device comprises a dry oil mist filter device 7, a VOCs purification device 8 and an active carbon adsorption device 9 which are sequentially connected, a first flow equalizing filter screen 81, an ultraviolet catalysis region 82, an ozone oxidation region 83, a second flow equalizing filter screen 84 and an ozone catalytic decomposition region 85 are sequentially arranged in the VOCs purification device 8 according to the waste gas flow direction, and the ultraviolet catalysis region 82 is provided with an ultraviolet lamp 821 in annular arrangement and a photocatalyst plate 822 positioned in an annular ring of the ultraviolet lamp 821.
The working principle is as follows: the oil mist oil smoke waste gas contains certain liquid oil mist, and a large amount of oil mist dust is removed through the preposed dry oil mist filtering device 7. Still contain a large amount of VOCs harmful gas in the oil mist oil smoke waste gas, decompose through VOCs purifier 8, purification efficiency is high. The front and the rear parts in the VOCs purification device 8 are respectively provided with a first flow equalizing filter screen 81 and a second flow equalizing filter screen 82 so as to avoid blocking the rear active carbon adsorption device 9 and prolong the service life of the active carbon. The activated carbon adsorption device 9 is filled with a large amount of activated carbon for adsorbing the triphenyl organic pollutants in the oil mist and oil smoke exhaust gas. The purified waste gas is discharged through an air pipe after reaching the standard. The dry oil mist filtering device 7, the VOCs purifying device 8 and the active carbon adsorption device 9 are matched for use, can simultaneously treat various mixed waste gases, and are particularly suitable for treating oil mist oil smoke waste gas generated by an oil pipe cleaning line.
It should be noted that after the activated carbon is saturated, a professional manufacturer is required to regenerate the activated carbon for reuse or replace the activated carbon with new activated carbon. The activated carbon adsorption unit 9 has the main advantages: high adsorption efficiency, low operation cost and convenient maintenance.
Further, the size of the collecting cover 3 of the exhaust gas source point of the heating furnace is 25-30cm larger than the peripheral size of the heating furnace, so that the generated exhaust gas is collected as far as possible, and the exhaust gas is prevented from escaping into a working area.
Furthermore, the production pipeline waste gas source starting point collecting cover 4 is in a long strip shape, a plurality of umbrella-shaped protrusions 41 are arranged at intervals, the upper sides of the umbrella-shaped protrusions 41 are connected with the branch collecting pipelines 5, and therefore waste gas generated on the whole production pipeline can be effectively collected.
Further, the height of the chimney 2 from the ground is 15-16 m.
Further, considering the remote negative pressure transportation of the waste gas pipeline, the pipeline loss, the air leakage coefficient and the workshop ventilation effect, for example, when the air pressure required by the flue gas collecting and processing equipment of the oil pipe cleaning line is 900Pa, a centrifugal fan 1 needs to be additionally arranged between the main collecting pipeline 6 and the outdoor waste gas purifying device.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides an oil pipe cleaning line flue gas collection treatment facility which characterized in that includes: the device comprises a collecting cover, a collecting pipeline, an outdoor waste gas purifying device, a centrifugal fan and a chimney which are connected in sequence; the collecting cover comprises a heating furnace waste gas source emission point collecting cover arranged on the upper side of the heating furnace and a production pipeline waste gas source emission point collecting cover arranged on the upper side of the production pipeline; the collecting pipelines comprise branch collecting pipelines arranged on the upper sides of the collecting covers and main collecting pipelines connected with the branch collecting pipelines and communicated with the inside and the outside of the room; outdoor exhaust gas purification device is including the dry-type oil mist filter equipment, VOCs purifier and the active carbon adsorption device that connect gradually, set gradually first filter screen, ultraviolet catalysis district, ozone oxidation district, the second filter screen, the ozone catalytic decomposition district that flow equalizes according to the waste gas flow direction in the VOCs purifier, the ultraviolet catalysis district is provided with the ultraviolet fluorescent tube that the annular was arranged and is located photocatalyst plate in the ultraviolet fluorescent tube annular ring.
2. The oil pipe cleaning line flue gas collecting and treating device according to claim 1, wherein the heating furnace exhaust gas source point collecting cover is 25-30cm larger than the outer periphery of the heating furnace.
3. The oil pipe cleaning line flue gas collecting and treating device according to claim 1, wherein the production pipeline waste gas source collecting cover is long and is provided with a plurality of umbrella-shaped bulges at intervals, and the upper sides of the umbrella-shaped bulges are connected with the branch collecting pipes.
4. The pipe cleaning line flue gas collecting and treating device according to claim 1, wherein the chimney is 15-16m away from the ground.
5. The oil pipe cleaning line flue gas collecting and processing device according to claim 1, wherein the centrifugal fan is also arranged between the main collecting pipeline and the outdoor waste gas purifying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319786.5U CN215138517U (en) | 2021-06-11 | 2021-06-11 | Oil pipe washs line flue gas collection and treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319786.5U CN215138517U (en) | 2021-06-11 | 2021-06-11 | Oil pipe washs line flue gas collection and treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215138517U true CN215138517U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121319786.5U Active CN215138517U (en) | 2021-06-11 | 2021-06-11 | Oil pipe washs line flue gas collection and treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215138517U (en) |
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2021
- 2021-06-11 CN CN202121319786.5U patent/CN215138517U/en active Active
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